HomeMy WebLinkAboutSTREET/GRAND AVENUE/IMPROVEMENTS/2005
STREET/
GRAND A VENUE/
IMPROVEMENTS/
2005
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Prepared by: Brian Boeik, Civil Engineer, 410 E. Washington St., Iowa City, IA 52240 (319) 356-5437
RESOLUTION NO. 05-127
RESOLUTION SETTING A PUBLIC HEARING FOR APRIL 19, 2005 ON PLANS,
SPECIFICATIONS, FORM OF CONTRACT, AND ESTIMATE OF COST FOR THE
CONSTRUCTION OF THE GRAND AVENUE IMPROVEMENTS PROJECT,
DIRECTING CITY CLERK TO PUBLISH NOTICE OF SAID HEARING, AND
DIRECTING THE CITY ENGINEER TO PLACE SAID PLANS ON FILE FOR
PUBLIC INSPECTION.
BE IT RESOLVED BY THE COUNCIL OF THE CITY OF IOWA CITY, IOWA:
1. That a public hearing on the plans, specifications, form of contract, and estimate of cost
for the construction of the above-mentioned project is to be held on the 19th day of April,
2005, at 7:00 p.m. in Emma J. Harvat Hall, City Hall, Iowa City, Iowa, or if said meeting
is cancelled, at the next meeting of the City Council thereafter as posted by the City
Clerk.
2. That the City Clerk is hereby authorized and directed to publish notice of the public
hearing for the above-named project in a newspaper published at least once weekly and
having a general circulation in the City, not less than four (4) nor more than twenty (20)
days before said hearing.
3. That the copy of the plans, specifications, form of contract, and estimate of cost for the
construction of the above-named project is hereby ordered placed on file by the City
Engineer in the office of the City Clerk for public inspection.
Passed and approved this
5th~;pz
ayor
ATTEST: ~,,'-....) R-
City lerk
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Approved by:
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Resolution No. 05-127
Page 2
It was moved by Chamoion and seconded by Bailev
adopted, and upon roll call there were:
the Resolution be
AYES:
NAYS:
ABSENT:
x
X
X
X
X
X
X
Bailey
Champion
Elliott
Lehman
O'Donnell
Vanderhoef
Wilburn
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CITY OF IOWA CITY
DEPARTMENT OF PUBLIC WORKS
ENGINEERING DIVISION
PLANS, SPECIFICATIONS, PROPOSAL AND CONTRACT
FOR THE
GRAND AVENUE IMPROVEMENTS PROJECT
IOWA CITY, IOWA
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I hereby certify that this engineering document was prepared by me or under my direct personal
supervision and that I am a duly licensed Professional Engineer under the laws of the State of
Iowa.
SIGNED:
DATE:
La~iJ~
Iowa ego . 95
1-/-;/05
I
My license renewal date is December 31,2005.
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TABLE OF CONTENTS
TITLE SHEET
TABLE OF CONTENTS
ADVERTISEMENT FOR BIDS ................................................................................
NOTE TO BIDDERS ...............................................................................................
FORM OF PROPOSAL ...........................................................................................
BID BOND ...............................................................................................................
FORM OF AGREEMENT ........................................................................................
PERFORMANCE AND PAYMENT BOND ..............................................................
CONTRACT COMPLIANCE
(ANTI-DISCRIMINATION REQUIREMENTS) ...................................................
GENERAL CONDITIONS............ ......... ..... ... ........................ ...................... ... ..........
SUPPLEMENTARY CONDITIONS .........................................................................
RESTRICTION ON NON-RESIDENT BIDDING ON NON-FEDERAL-AID
PROJECTS........................................................................................................
SPECIFICATIONS
DIVISION 1 - GENERAL REQUIREMENTS
Section 01010 Summary of the Work .........................................................
Section 01025 Measurement and Payment ................................................
Section 01310 Progress and Schedules .....................................................
Section 01570 Traffic Control and Construction Facilities...........................
DIVISION 2 - SITE WORK
Section 02050 Demolitions, Removals and Abandonments........................
Section 02100 Site Preparation...................................................................
Section 02220 Earth Excavation, Backfill, Fill and Grading.........................
Section 02270 Slope Protection and Erosion Control.................................
Section 02520 Portland Cement Concrete Paving ......................................
Section 02524 Curb Ramps ........................................................................
Section 02700 Sewers.................................................................................
Section 02891 Video Traffic Detection ........................................................
Section 02900 Landscaping .......................................................................
Section 03350 Colored Concrete Finishes ..................................................
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PaaeN~ber..:.
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AF-1 - AF-2
NB-1
FP-1 - FP-3
BB-1
AG-1 - AG-2
PB-1 - PB-2
CC-1 - CC-7
GC-1
SC-1 - SC-5
R-1
01010-1
01025-1 to 01025-8
01310-1 to 01310-2
01570-1 to 01570-2
02050-1 to 02050-3
02100-1 to 02100-2
02220-1 to 02220-5
02270-1 to 02270-2
02520-1 to 02520-3
02524-1 to 02524-4
02700-1 to 02700-10
02891-1 to 02891-5
02900-1 to 02900-5
03350-1 to 03350-2
ADVERTISEMENT FOR BIDS
GRAND AVENUE IMPROVEMENTS PROJECT
Sealed proposals will be received by the City
Clerk of the City of Iowa City, Iowa, until
10:00 A.M, on the 10'" day of May, 2005, or at a
later date and/or time as determined by the
Director of Public Works or designee, with notice
of said later date and/or time to be published as
required by law. Sealed proposals will be opened
immediately thereafter by the City Engineer or
designee. Bids submitted by fax machine shall not
be deemed a "sealed bid" for purposes of this
Project. Proposals will be acted upon by the City
Council at a meeting to be held in the Emma J.
Harvat Hall at 7:00 P.M. on the 17th day of May,
2005, or at such later time and place as may be
scheduled.
The Project will involve the following:
PCC Paving, Steam Vault Modifications,
Traffic Signal Modifications, Storm Sewer
Construction and Other Incidental Items.
All work is to be done in strict compliance with
the plans and specifications prepared by Earth
Tech, of Iowa City, Iowa, which have heretofore
been approved by the City Council, and are on file
for public examination in the Office of the City
Clerk.
Each proposal shall be completed on a form
furnished by the City and must be accompanied in
a sealed envelope, separate from the one
containing the proposal, by a bid bond executed
by a corporation authorized to contract as a surety
in the State of Iowa, in the sum of 10% of the bid.
The bid security shall be made payable to the
TREASURER OF THE CITY OF IOWA CITY,
IOWA, and shall be forfeited to the City of Iowa
City in the event the successful bidder fails to
enter into a contract within ten (10) calendar days
of the City Council's award of the contract and
post bond satisfactory to the City ensuring the
faithful performance of the contract and mainte-
nance of said Project, if required, pursuant to the
provisions of this notice and the other contract
documents. Bid bonds of the lowest two or more
bidders may be retained for a period of not to
exceed fifteen (15) calendar days following award
of the contract, or until rejection is made. Other
bid bonds will be returned after the canvass and
tabulation of bids is completed and reported to the
City Council.
The successful bidder will be required to furnish
a bond in an amount equal to one hundred
percent (100%) of the contract price, said bond to
be issued by a responsible surety approved by the
City, .and shall guarantee the prompt payment of
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all materials and labor, and also protect and save
harmless the City from all claims and damages of
any kind caused directly or indirectly by the
operation of the contract, and shall also guarantee
the maintenance of the improvement for a period
of five (5) years from and after its completion and
fomnal acceptance by the City Council.
The following limitations shall apply to this
Project:
Calendar Days: 67
SpeCified Start Date: June 6, 2005
Liquidated Damages: $400.00 per day
The plans, specifications and proposed contract
documents may be examined at the office of the
City Clerk. Copies of said plans and specifications
and fomn of proposal blanks may be secured at
the Office of the City Engineer, Iowa City City Hall,
410 East Washington Street, Iowa City, Iowa, by
bona fide bidders.
A $35.00 non-refundable fee is required for each
set of plans and specifications provided to bidders
or other interested persons. The fee shall be in
the form of a check, made payable to the City of
Iowa City. Plans and specifications will be
available on April 20, 2005.
Prospective bidders are advised that the City of
Iowa City desires to employ minority contractors
and subcontractors on City projects. A listing of
minority contractors can be obtained from the
Iowa Department of Economic Development at
(515) 242-4721 and the Iowa Department of
Transportation Contracts Office at (515) 239-
1422.
Bidders shall list on the Form of Proposal the
names of persons, fimns, companies or other
parties with whom the bidder intends to subcon-
tract. This list shall include the type of work and
approximate subcontract amount( s).
The Contractor awarded the contract shall
submit a list on the Fomn of Agreement of the
proposed subcontractors, together with quantities,
unit prices and extended dollar amounts.
By virtue of statutory authority, preference must
be given to products and provisions grown and
coal produced within the State of Iowa, and to
Iowa domestic labor, to the extent lawfully re-
quired under Iowa Statutes. The Iowa reciprocal
resident bidder preference law applies to this
Project.
The City reserves the right to reject any or all
proposals, and also reserves the right to waive
technicalities and irregularities.
Published upon order ofthe City Council of Iowa
City, Iowa.
MARIAN K. KARR, CITY CLERK
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NOTE TO BIDDERS
1. The successful bidder and all subcontractors are required to submit at least 4 days prior to
award three references involving similar projects, including at least one municipal
reference. Award of the bid or use of specific subcontractors may be denied if sufficient
favorable references are not verified or may be denied based on past experience on
projects with the City of Iowa City.
2. References shall be addressed to the City Engineer and include the name, address and
phone number of the contact person, for City verification.
3.
Bid submittals are:
Envelope 1:
Envelope 2:
Bid Bond
Form of Proposal
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81900/10.060/Front.End.doc
NB-1
FORM OF PROPOSAL
GRAND AVENUE IMPROVEMENTS PROJECT
CITY OF IOWA CITY
NOTICE TO BIDDERS:
PLEASE DO NOT USE THE FORM OF PROPOSAL INCLUDED IN THE BOUND
VOLUME OF THE SPECIFICATIONS. SEPARATE COPIES OF THIS PROPOSAL ARE
CONTAINED WITHIN THE BACK COVER OF THIS DOCUMENT.
Name of Bidder
Address of Bidder
TO: City Clerk
City of Iowa City
Civic Center
410 E. Washington St.
Iowa City, IA 52240
The undersigned bidder submits herewith bid security in the amount of
$ , in accordance with the terms set forth in the "Project Specifications."
The undersigned bidder, having examined and determined the scope of the Contract
Documents. hereby proposes to provide the required labor, services, materials and equipment
and to perform the Project as described in the Contract Documents, including Addenda
. and . and to do all work at the prices set forth herein.
We further propose to do all "Extra Work" which may be required to complete the work
contemplated, at unit prices or lump sums to be agreed upon in writing prior to starting such work.
ESTIMATED UNIT
ITEM DESCRIPTION UNIT QUANTITY PRICE
1 Removal of Pavement S.Y. 1,077.3 $
2 Removal of Intakes Each 2.0
3 Clearing and Grubbing L.S. 1.0
4 Class 10 Excavation C.Y. 500.0
5 Topsoil, Strip, Salvage C.Y. 65.0
and Spread
6 Silt Fence Feet 700.0
7 Subgrade Repair Tons 200.0
8 Granular Subbase S.Y. 1,166.3
81900/10.060IFront-End.doc
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EXTENDED
AMOUNT
$
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ESTIMATED UNIT EXTENDED
ITEM DESCRIPTION UNIT QUANTITY PRICE AMOUNT
9 Portland Cement Concrete
Pavement. Class C, Class 3
Durability, 9 In. S.Y. 694.9
10 Portland Cement Concrete
Pavement, Class M, Class 3
Durability, 9 In. S.Y. 27.6
11 Median, P.C. Concrete, 61n. S.Y. 205.4
12 Sidewalk, P.C. Concrete, 4 In. S.Y. 170.1
13 Painted Pavement Markings Sta. 127.3
14 Painted Pavement Symbols Each 6.0
15 Adjustment of Fixtures Each 5.0
16 Sewer Pipe, 20000, 12 In. Dia. Feet 12.0
17 Sewer Pipe, 20000, 18 In. Dia. Feet 6.0
18 Intake, RA-41 Each 1.0
19 Intake Extension Unit, RA-42 Each 1.0
20 Intake, RA-70 Each 1.0
21 Traffic Signalization L.S. 1.0
22 Seeding, Fertilizing and r.,",
Mulching Acre 0.1 .
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23 Type "A" Signs S.F. 211.4
24 Steel Posts for Type "A" Signs Feet 355.0 '-1
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25 Traffic Control L.S. 1.0 ,
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26 Barrier Gate Footings L.S. 1.0 j; c..n
27 Modifications to Steam
Tunnel Vault L.S. 1.0
28 Construction Survey L.S. 1.0
29 Mobilization L.S. 1.0
. TOTAL EXTENDED AMOUNT = $
81900/10.060/Front-End.doc
FP-2
The names of those persons, firms, companies or other parties with whom we intend to enter into
a subcontract, together with the type of subcontracted work and approximate dollar amount of the
subcontract, are as follows:
NOTE: All subcontractors are subject to approval by City.
The undersigned bidder certifies that this proposal is made in good faith, and without
collusion or connection with any other person or persons bidding on the work.
The undersigned bidder states that this proposal is made in conformity with the Contract
Documents and agrees that, in the event of any discrepancies or differences between any
conditions of this proposal and the Contract Documents prepared by the City of Iowa City, the
more specific shall prevail.
Firm:
Signature:
Printed Name:
Title:
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Address:
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Phone:
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Contact:
819OO/10.060/Front-End.doc
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BID BOND
, as Principal, and
as Surety declare that we are held and are firmly bound unto the City of Iowa City, Iowa,
hereinafter called "OWNER," in the sum of
Dollars ($
) to pay said sum as herein
provided. We as Principal and Surety further promise and declare that these obligations shall bind
our heirs, executors, administrators, and successors jointly and severally. Tlii~~ Q~ligation is ,\
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conditioned on the Principal submission of the accompanying bid, dated "- for"-
Project.
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NOW, THEREFORE,
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(a) If said Bid shall be rejected, or in the alternate,
(b) If said Bid shall be accepted and the Principal shall execute and deliver a contract
in the form specified, and the Principal shall then furnish a bond for the Principal's
faithful performance of said Project, and for the payment of all persons performing
labor or furnishing materials in connection therewith, and shall in all other respects
perform the Project, as agreed to by the City's acceptance of said Bid,
then this obligation shall be void. Otherwise this obligation shall remain in full force and effect,
provided that the liability of the Surety for any and all claims hereunder shall, in no event, exceed
the amount of the obligation stated herein.
By virtue of statutory authority, the full amount of this bid bond shall be forfeited to the
Owner in the event that the Principal fails to execute the contract and provide the bond, as
provided in the Project specifications or as required by law.
The Surety, for value received, hereby stipulates and agrees that the obligations of said
Surety and its bond shall in no way be impaired or affected by any extension of the time within
which the Owner may accept such Bid or may execute such contract documents, and said Surety
does hereby waive notice of any such time extension.
The Principal and the Surety hereto execute this bid bond this
day of
, A.D., 20_.
Principal
By
(Seal)
(Title)
(Seal)
Witness
Surety
By
(Attorney-in-fact)
Witness
Attach Power-of-Attorney
81900/10.060/Fronl.End.doc
BB-1
FORM OF AGREEMENT
THIS AGREEMENT is made and entered into by and between the City of Iowa City, Iowa
("City"), and
("Contractor").
Whereas the City has prepared certain plans, specifications, proposal and bid documents
dated the _ day of
, 20_, for the GRAND AVENUE
IMPROVEMENTS PROJECT ("Project"), and
Whereas, said plans, specifications, proposal and bid documents accurately and fully
describe the terms and conditions upon which the Contractor is willing to perform the Project.
NOW, THEREFORE, IT IS AGREED:
1. The City hereby accepts the attached proposal and bid documents of the
Contractor for the Project, and for the sums listed therein.
2. This Agreement consists of the following component parts which are incorporated
herein by reference:
a. Addenda Numbers
b. "Standard Specifications for Highway and Bridge Construction," ~eries of
,...\
2001, Iowa Department of Transportation, as amended; :. C'. - . '.
c. Plans;
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d. Specifications and Supplementary Conditions;
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Advertisement for Bids;
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f. Note to Bidders;
g. Performance and Payment Bond;
h. Restriction on Non-Resident Bidding on Non-Federal-Aid Projects;
i. Contract Compliance Program (Anti-Discrimination Requirements);
j. Proposal and Bid Documents; and
k. This Instrument.
The above components are deemed complementary and should be read together. In the
event of a discrepancy or inconsistency, the more specific provision shall prevail.-
61900/10.060/Front-End.doc
AG-1
3. The names of subcontractors approved by City, together with quantities, unit
prices, and extended dollar amounts, are as follows (or shown on an attachment):
4. Payments are to be made to the Contractor in accordance with the Supplementary
Conditions.
DATED this day of ,20_.
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City Contractor .
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By BY ! \
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(Title)
City Clerk (Company Official)
Approved By:
City Attorney's Office
61900110.060IFront-End.doc
AG-2
PERFORMANCE AND PAYMENT BOND
, as
(insert the name and address or legal title of the Contractor)
Principal, hereinafter called the Contractor and
(insert the legal title of the Surety)
, as Surety, hereinafter called
the Surety, are held and firmly bound unto the City of Iowa City, Iowa, as obligee, hereinafter
called the Owner, in the amount of Dollars
($ ) for the payment for which Contractor and Surety
hereby bind themselves, their heirs, executors, administrators, successors and assigns, jointly and
severally. . ,
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WHEREAS, Contractor has, as of
, entered into a
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(date)
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written Agreement with Owner for the ;-, ; and . j
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WHEREAS, the Agreement requires execution of this Performance and Payment Bond.;tQ
be completed by Contractor, in accordance with plans and specifications pretared 6y
_' which Agreement is by reference made a part hereof, and the agreed-upon work is hereafter
referred to as the Project.
NOW, THEREFORE, THE CONDITIONS OF THIS OBLIGATION are such that, if
Contractor shall promptly and faithfully perform said Agreement, then the obligation of this bond
shall be null and void; otherwise it shall remain in full force and effect until satisfactory completion
of the Project.
A. The Surety hereby waives notice of any alteration or extension of time made by the
Owner.
B. Whenever Contractor shall be, and is declared by Owner to be, in default under the
Agreement, the Owner having performed Owner's obligations thereunder, the Surety may
promptly remedy the default, or shall promptly:
1. Complete the Project in accordance with the terms and conditions of the
Agreement, or
2. Obtain a bid or bids for submission to Owner for completing the Project in
accordance with the terms and conditions of the Agreement; and upon determina-
tion by Owner and Surety of the lowest responsible bidder, arrange for a contract
between such bidder and Owner, and make available, as work progresses (even
though there may be a default or a succession of defaults under the Agreement or
subsequent contracts of completion arranged under this paragraph), sufficient
81900/10.060IFront-End.doc
PB-1
funds to pay the cost of completion, less the balance of the Contract Price, but not
exceeding the amount set forth in the first paragraph hereof. The term "balance of
the Contract Price," as used in this paragraph, shall mean the total amount
payable by Owner to Contractor under the Agreement, together with any addenda
and/or amendments thereto, less the amount properly paid by Owner to
Contractor.
C. The Contractor and Contractor's Surety shall be obligated to keep the improvements
covered by this bond in good repair for a period of () years from
the date of formal acceptance of the improvements by the Owner.
D. No right of action shall accrue to or for the use of any person, corporation or third party
other than the Owner named herein or the heirs, executors, administrators or successors
of Owner.
IT IS A FURTHER CONDITION OF THIS OBLIGATION that the Principal and Surety, in
accordance with provisions of Chapter 573, Code of Iowa, shall pay to all persons, firms or
corporations having contracts directly with the Principal, including any of Principal's subcontrac-
tors, all claims due them for labor performed or materials furnished in the performance of the
Agreement for whose benefit this bond is given. The provisions of Chapter 573, Code of Iowa, are
a part of this bond to the same extent as if it were expressly set out herein.
SIGNED AND SEALED THIS
20_.
DAY OF
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IN THE PRESENCE OF:
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Witness
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(City, State, Zip)
(Phone)
81900/10.060/Front-End.doc
PB-2
Contract
Compliance Program
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CITY OF IOWA CITY
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SECTION 1- GENERAL POLICY STATEMENT
It is the policy of the City of Iowa City to require equal employment opportunity in all City contract work. This
policy prohibits discrimination by the City's contractors, consultants and vendors and requires them to ensure
that applicants seeking employment with them and their employees are treated equally without regard to
race, color, creed, religion, national origin, sex, gender identity, sexual orientation, disability, marital status,
and age.
It is the City's intention to assist employers, who are City contractors, vendors or consultants, in designing
and implementing equal employment opportunity so that all citizens will be afforded equal accessibility and
opportunity to gain and maintain employment.
PROVISIONS:
1. All contractors, vendors, and consultants requesting to do business with the City must submit an
Equal Opportunity Policy Statement before the execution of the contract.
2. All City contractors, vendors, and consultants with contracts of $25,000 or more (or less if required by
another govemmental agency) must abide by the requirements of the City's Contract Compliance
Program. Emergency contracts may be exempt from this provision at the discretion of the City.
Regardless of the value of the contract, all contractors, vendors, and consultants are subject to the
City's Human Rights Ordinance, which is codified at Article 2 of the City Code.
3. Contracting departments are responsible for assuring that City contractors, vendors, and consultants
are made aware of the City's Contract Compliance Program reporting responsibilities and receive the
appropriate reporting forms. A notification of requirements will be included in any request for proposal
and notice of bids.
4. Prior to execution of the contract, the completed and signed Assurance of Compliance (located on
pages CC-2 and CC-3) or other required material must be received and approved by the City.
5. Contracting departments are responsible for answering questions about contractor, consultant
and vendor compliance during the course of the contract with the City.
6. All contractors, vendors, and consultants must refrain from the use of any signs or designations
which are sexist in nature, such as those which state "Men Working" or "Flagman Ahead," and
instead use gender neutral signs.
7. All contractors, vendors, and consultants must assure that their subcontractors abide by the
City's Human Rights Ordinance. The City's protected classes are listed at Iowa City City Code
section 2-3-1.
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81900/10.060/Front-End.doc
CC-1
SECTION II - ASSURANCE OF COMPLIANCE
The following sets forth the minimum requirements of a satisfactory Equal Employment Opportunity Program
which will be reviewed for acceptability. PLEASE RETURN PAGES CC2 AND CC3 OF THIS SECTION TO
THE CONTRACTING DEPARTMENT PRIOR TO THE EXECUTION OF THE CONTRACT.
With respect to the performance of this contract, the contractor, consultant or vendor agrees as follows:
(For the purposes of these minimum requirements, "contractor" shall include consultants and vendors.)
a. The contractor will not discriminate against any employee or applicant for employment and will take
affirmative efforts to ensure applicants and employees are treated during employment without regard
to their race, color, creed, religion, national origin, sex, sexual orientation, gender identity, disability,
marital status, and age. Such efforts shall include, but not be limited to the following: employment,
promotion, demotion, or transfer; recruitment or recruitment advertising; layoff or termination; rates of
payor other forms of compensation; and selection for training, including apprenticeship.
b. The contractor will, in all solicitations or advertisements for employees placed by or on behalf of the
contractor, state that it is an equal opportunity employer.
Note: Contracts that are federally funded are subject to Executive Order No. 11246, as amended, and the
regulations (see generally 29 U.S.C. ~ 1608 et seQ.) and relevant orders of the U.S. Secretary of
Labor. The Secretary of Labor, and not the City, enforces said regulations and orders.
3. Provide a copy of your written Equal Employment Opportunity policy statement.
Where is this statement posted?
4. What is the name, telephone number and address of your business' Equal Employment Opportunity
Officer?
(Please print)
Phone number
Address
5. The undersigned agrees to display, in conspicuous places at the work site, all posters required by
federal and state law for the duration of the contract. NOTE: The City can provide assistance in
obtaining the necessary posters.
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CC-2
6. How does your business currently inform applicants, employees, and recruitment sources (including
unions) that you are an Equal Employment Opportunity employer?
The above responses to questions 1 through 6, are true and correctly reflect our Equal Employment
Opportunity policies.
Phone Number
Business Name
Title
Signature
Date
Print Name
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81900/10.060/Front-End.doc
CC-3
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SECTION III . SUGGESTED STEPS TO ASSURE EQUAL EMPLOYMENT OPPORTUNITIES
1. COMPANY POLICY
Determine your company's policy regarding equal employment opportunities. Document the policy and post
it in a conspicuous place so that it is known to all your employees. Furthermore, disseminate the policy to all
potential sources of employees and to your subcontractors asking their cooperation. The policy statement
should recognize and accept your responsibility to provide equal employment opportunity in all your
employment practices. In regard to dissemination of this policy, this can be done, for example, through the
use of letters to all recruitment sources and subcontractors, personal contacts, employee meetings, web
page postings, employee handbooks, and advertising.
2. EQUAL EMPLOYMENT OPPORTUNITY OFFICER
Designate an equal employment opportunity officer or, at minimum, assign someone the responsibility of
administering and promoting your company's Equal Employment Opportunity program. This person should
have a position in your organization which emphasizes the imporlance of the program.
3. INSTRUCT STAFF
Your staff should be aware of and be required to abide by your Equal Employment Opportunity program. All
employees authorized to hire, supervise, promote, or discharge employees or are involved in such actions
should be trained and required to comply with your policy and the current equal employment opportunity
laws.
4.
RECRUITMENT
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(a) Let potential employees know you are an equal opportunity employer..rt11s can be dOQe by
identifying yourself on all recruitment advertising as "an equal opportunity employer". ::.
(b) Use recruitment sources that are likely to yield diverse applicant pools. WortI-Qf~mOU!b..recrul$ent
will only perpetuate the current composition of your workforce. Send recruitrn~l sources a..kltter
annually which reaffirms your commitment to equal employment opportuniW, ~d r~ests their
assistance in helping you reach diverse applicant pools. ::'~ c"
(c) Analyze and review your company's recruitment procedures to identify and elirllTnate dillCriminatory
barriers.
(d) Select and train persons involved in the employment process to use objective standards and to
support equal employment opportunity goals.
(e) Review periodically job descriptions to make sure they accurately reflect major job functions. Review
education and experience requirements to make sure they accurately reflect the requirements for
successful job performance.
(f) Review the job application to insure that only job related questions are asked. Ask yourself "Is this
information necessary to judge an applicant's ability to perform the job applied for?" Only use
job-related tests which do not adversely affect any particular group of people.
(g) Monitor interviews carefully. Prepare interview questions in advance to assure that they are only job
related. Train your interviewers on discrimination laws. Biased and subjective judgments in personal
interviews can be a major source of discrimination.
(h) Improve hiring and selection procedures and use non-biased promotion, transfer and training
policies to increase and/or improve the diversity of your workforce representation. Companies
must make sure procedures for selecting candidates for promotion, transfer and training are
based upon a fair assessment of an employee's ability and work record. Furthermore, all
companies should post and otherwise publicize all job promotional opportunities and encourage
all qualified employees to bid on them.
81900/1 O.OeO/Front-End .doc
CC-4
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Attached for your information is a copy of Section 2 - 3 - 1 of the Iowa
City Code of Ordinances which prohibits certain discriminatory
practices in employment. Please note that the protected
characteristics include some not mandated for protection by Federal
or State law. As a contractor, consultant or vendor doing business
with the City of Iowa City you are required to abide by the provisions
of the local ordinance in conjunction with your performance under a
contract with the City.
81900/10.060/Front-End.doc
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2-3-1
2-3-1
CHAPTER 3
DISCRIMINATORY PRACTICES
SECTION:
2-3-1:
2-3-2:
Employment; ExceptIons
Public Accommodation;
Exceptions
Credit Transactions; Exceptions
Education
Aiding Or Abetting; Retaliation;
Intimidation
2-3-3:
2-3-4:
2-3-5:
2-3-1 :
EMPLOYMENT; EXCEPTIONS:
A. It shall be unlawful for any employer
to refuse to hire, accept, register,
classify, upgrade or refer for employ-
ment, or to otherwise discriminate in
employment against any other person
or to discharge any employee be-
cause of age, color, creed, disability,
gender Identity, marital status, nation-
al origin, race, religion, sex or sexual
orientation.
B. It shall be unlawful for any labor orga-
nization to refuse to admit to member-
ship, apprenticeship or training an
applicant, to expel any member, or to
otherwise discriminate against any
applicant for membership, apprentice-
ship or training or any member In the
privileges, rights or benefits of such
membership, apprenticeship or train-
Ing because of age, color, creed,
disability, . gender identity, marital
status, national origin, race, religion,
sex or sexual orientation of such ap-
plicant or member.
81900/10.060/Front-End.doc
CC-6
It shaU be unlawful for any employer,
employment agency, labor organiza-
tion or the employees or members
thereof. to directly or Indirectly adver-
tise or in any other manner Indicate or
pUblicize that Individuals are unwel-
come, objectionable or not. solicited
for employment Qf membership be-
cause of age, color, creed, disability,
gender identity, marital status, nation-
al origin, race, religion, sex or sexual
orientation. (Ord. 95-3697, 11-7-1995)
D. Employment policies relating to preg-
nancy and childbirth shall be govemed
by the following:
c.
1. A written or unwrltlen employment
policy or practIce which excludes from
employment applicants or employees
because of the employee's pregnancy
Is a prima facie violation of this Title.
2. Disabilities caused or contributed to
by the employee's pregnancy, miscar-
riage, chlldbirttl and recovery there-
from are, for all Job-related purposes,
temporary disabilities and shall be
treated as such under any health or
temporary disability Insu ranee or sick
leave plan available In connection with
employment or any written or unwrit-
ten employment policies and practices
Involving terms and conditions of
employment as applied to other tem-
porary disabilities.
E. It shall be unlawful for any person to
solicit or require as a condition of
employment of any employee or pro-
897
lowe City
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spective employee a test for the pres-
ence of the antibody to the human
immunodeficiency virus. An agree-
ment between an employer, employ-
ment agency, labor organization or
their employees, agents or members
and an employee or prospective em-
ployee concerning employment, pay
or benefits to an employee or pro-
spective employee in return for taking
a test for the presence of the antibody
to the human Immunodeficiency virus,
is prohibited. The prohibitions of this
subsection do not apply if the State
epidemiologist determines and the
Director of Public Health. declares
through the utilization of guidelines
established by the Center for Disease
Control of the United States Depart-
ment of Health and Human Services,
that a person with a condition related
to acquired Immune deficiency syn-
drome poses a significant risk of
transmission of the human immunode-
ficiency virus to other persons in a
specific occupation.
F. The following are exempted from the
provisions of this Section:
1. Any bona fide religious institution or
Its educational facility, association,
corporation or society with re$pect to
any qualifications for employment
based on religion when such qualifica-
tions are related to a bona fide reli-
gious purpose. A religious qualifica-
tion for Instructional personnel or an
administrative officer, serving in a
supervisory capacity of a bona fide
religious educational facility or reli-
gious Institution $hall be presumed to
be a bona fide occupational qualifica-
tion. (Ord. 94-3647,11-8-1994)
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Iowa City
81900/10.060/Front-End.doc
CC-?
2-3-1
2. An employer or employment agency
which chooses to offer employment or
advertise for employment to only the
disabled or elderly. Any such employ-
ment or offer of employment shall not
discriminate among the disabled or
elderly on the basis of age, color,
creed, disability, gender identity, mari-
tal status, national origin, race, reli-
gion, sex or sexual orientation. (Ord.
95-3697, 11-7-1995)
3. The employment of Individuals for
work within the home of the employer
if the employer or members of the
family reside therein during such em-
ployment.
4. The employment of individuals to
render personal service to the person
of the employer or members of the
employer'S family.
5. To employ on the basis of sex in
those certain Instances where sex is a
bona fide occupational qualification
reasonably necessary to the normal
operation of a partloular business or
enterprlse. The bona fide oocupatlonal
qualification shall be Interpreted nar-
rowly.
6. A State or Federal program de-
signed to benefit a speclfio age classl-
ficatlonwhloh serves a bona fide pub-
lic purpose.
7. To employ on the basis of disability
In those certain Instances where pres-
ence of disability is a bona fide occu-
patlona:! qualification reasonably nec-
essary to the normal operation of a
particular business or enterprise. The
bona fide occupational qualifioation
shall be Interpreted narrowly. (Ord,
94-3647, 11-8-1994)
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GENERAL CONDITIONS
Division 11, General Requirements and Covenants of the Iowa Department of Transportation
"Standard Specifications for Highway and Bridge Construction," Series of 2001, as amended,
shall apply except as amended in the Supplementary Conditions.
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GC-1
S-1
S-2
S-3
S-4
S-5
S-6
S-7
S-8
S-9
S-10
S-11
S-12
SUPPLEMENTARY CONDITIONS
ARTICLES WITHIN THIS SECTION
\'"(:."',
Definitions
Limitations of Operations
Insurance
Supervision and Superintendence
Concerning Subcontractors, Suppliers and Others
Compliance with OSHA Regulations
Employment Practices
Contract Compliance Program (Anti-Discrimination Requirements)
Measurement and Payment
Taxes
Construction Stakes
Restriction on Non-Resident Bidding on Non-Federal-Aid Projects
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Caption and Introductorv Statements
These Supplementary Conditions amend or supplement Division 11 of the Iowa Department of
Transportation "Standard Specifications for Highway and Bridge Construction," Series of 2001, as
amended and other provisions of the Contract Documents. All provisions which are not so
amended or supplemented remain in full force and effect.
S-1 DEFINITIONS.
ADD to or CHANGE the following definitions within 1101.03 of the IDOT STANDARD
SPECIFICATIONS.
"ENGINEER" shall mean the Director of Public Works for the City of Iowa City, Iowa or his
authorized representative.
"OWNER" and "CITY" shall mean the City of Iowa City, Iowa acting through the City Council
and duly authorized agents.
"CONTRACTING AUTHORITY," "DEPARTMENT OF TRANSPORTATION," or "COUNTY"
shall mean the CITY.
"IDOT STANDARD SPECIFICATIONS" shall mean the Iowa Department of Transportation
"Standard Specifications for Highway and Bridge Construction," Series of 2001, as
amended.
S-2 LIMITATIONS OF OPERATIONS.
Add.the following paragraph to 1108.03 of the IDOT STANDARD SPECIFICATIONS:
Except for such work as may be required to properly maintain lights and barricades, no work
will be permitted on Sundays or legal holidays without specific permission of the ENGINEER.
81900/10.060/Front-End.doc
SC-1
S-3 INSURANCE.
A. CERTIFICATE OF INSURANCE; CANCELLATION OR MODIFICATION
1. Before commencing work, the Contractor shall submit to the City for approval a
Certificate of Insurance, meeting the requirements specified herein, to be in effect for
the full contract period. The name, address and phone number of the insurance
company and agent must accompany the certificate. The liability limits required
hereunder must apply to this Project only. .
2. The Contractor shall notify the City in writing at least thirty (30) calendar days prior to
any change or cancellation of said policy or policies.
3. Cancellation or modification of said policy or policies shall be considered just cause for
the City of Iowa City to immediately cancel the contract and/or to halt work on the
contract, and to withhold payment for any work performed on the contract.
B. MINIMUM COVERAGE
.
Any policy or policies of insurance purchased by the Contractor to ~atisfy hiS/her
responsibilities under this contract shall include contractual liability coverage, a-rlctshalfhe in .'
the following type and minimum amounts: ' ::. ,""
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Tvpe of Coveraae
Comprehensive General Liability Each Occurrence Aaareaate
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Bodily Injury & Property Damage* $1,000,000 $2,000,000
Automobile Liability Combined Sinale lfmit
Bodily Injury & Property Damage $1,000,000
Excess Liability $1,000,000 $1,000,000
Worker's Compensation Insurance as required by Chapter 85, Code of Iowa.
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*Property Damage liability insurance must provide explosion, collapse and underground
coverage when determined by City to be applicable.
The City requires that the Contractor's Insurance carrier be A rated or better by A.M. Best.
In addition, the Contractor shall be required to comply with the following provisions with
respect to insurance coverage:
1. The entire amount of Contractor's liability insurance policy coverage limits, identified in
the policy and on the Certificate of Insurance, must, under the policy, be available to
pay damages for which the insured Contractor becomes liable, or for which the insured
assumes liability under the indemnity agreement herein contained, and such coverage
amount shall not be subject to reduction by virtue of investigation or defense costs
incurred by Contractor's insurer.
2. The entire amount of the Contractor's liability insurance policy coverage limits shall be
payable by the Contractor's insurer, with no deductible to be paid by, or self-insured
retention to be attributed to, the Contractor unless this requirement is waived by the
City. Contractor's Certificate of Insurance must set forth the nature and amount of any
such deductible or self-insured retention.
81900/10.060/Front-End.doc
SC-2
3. If Contractor's liability insurance coverage is subject to any special exclusions or
limitations not common to the type of coverage being provided, such exclusions or
limitations shall be noted on the Certificate of Insurance.
4. The City prefers that Contractor provide it with "occurrence form" liability insurance
coverage. If Contractor can only provide "claims-made" insurance coverage, then the
Contractor must comply with the following requirements:
a. If the Contractor changes insurance carriers, or if Contractor's insurance
coverage is canceled, during the contract period or within two years after City's
acceptance of the work, Contractor agrees to immediately notify the City of such
event.
b. If Contractor's insurance is canceled or is allowed to lapse during said period,
Contractor shall be required to obtain replacement insurance coverage to fulfill its
obligation hereunder.
c. If, during said period, Contractor voluntarily changes insurance carriers or is
required to obtain replacement coverage from another carrier, Contractor shall
either (1) purchase "tail" coverage from its first carrier effective for a minimum of
two years after City Council acceptance of the work, or (2) purchase "prior acts"
insurance coverage from its new carrier, covering prior acts during the period of
this Contract from and after its inception.
d. "Tail" or "prior acts" coverage so provided shall have the same coverage, with the
same limits, as the insurance specified in this Contract, and shall not be subject to
any further limitations or exclusions, or have a higher deductible or self-insured
retention than the insurance which it replaces.
5. The City reserves the right to waive any of the insurance requirements herein provided.
The City also reserves the right to reject Contractor's insurance if not in compliance
with the requirements herein provided, and on that basis to either award the contract to
the next low bidder, or declare a default and pursue any and all remec@f:s avail;"!tile to
the City. .:,-. :;c.
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6. In the event that any of the policies of insurance or insurance coverageidentimlO on--
Contractor's Certificate of Insurance are canceled or modified, or in lIle, evenJJhaC,'
Contractor incurs liability losses, either due to activities under this Contract, or ctUe to-
other activities not under this Contract but covered by the same insura~iand~ch .--
losses reduce the aggregate limits of Contractor's liability insurance bE$m the dimits
required hereunder, then in that event the City may in its discretion either sus<p'end
Contractor's operations or activities under this Contract, or terminate this Contract, and
withhold payment for work performed on the Contract.
7. In the event that any of the policies or insurance coverage identified on Contractor's
Certificate of Insurance are Canceled or modified, the City may in its discretion either
suspend Contractor's operations or activities under this Contract, or terminate this
Contract, and withhold payment for work performed on the Contract.
C. HOLD HARMLESS
1. The Contractor shall indemnify, defend and hold harmless the City of Iowa City and its
officers, employees, and agents from any and all liability, loss, cost, damage, and
expense (including reasonable attorney's fees and court costs) resulting from, arising
81900/10.060/Front.End,doc
SC-3
out of, or incurred by reason of any claims, actions. or suits based upon or alleging
bodily injury, including death, or property damage rising out of or resulting from the
Contractor's operations under this Contract, whether such operations be by himself or
herself or by any Subcontractor or by anyone directly or indirectly employed by either of
them.
2. Contractor is not, and shall not be deemed to be, an agent or employee of the City of
Iowa City, Iowa.
5-4 SUPERVISION AND SUPERINTENDENCE.
Add the following paragraph to 1105.05 of the IDOT STANDARD SPECIFICATIONS:
CONTRACTOR shall maintain a qualified and responsible person available 24 hours per
day, seven days per week to respond to emergencies which may occur after hours.
CONTRACTOR shall provide to ENGINEER the phone number and/or paging service of this
individual.
5-5 CONCERNING SUBCONTRACTORS, SUPPLIERS AND OTHERS.
Add the following paragraph to 1108.01 of the IDOT STANDARD SPECIFICATIONS:
Bidders shall list those persons, firms, companies or other parties to whom it
proposes/intends to enter into a subcontract regarding this project as required for approval
by the City and as noted on the Form of Proposal and the Agreement.
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If no minority business enterprises (MBE) are utilized, the CONTRACT~ f~all ~tmish
documentation of all efforts to recruit MBE's. ....... ~.' . -'n
5-6 COMPLIANCE WITH OSHA REGULATIONS.
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Add the following paragraphs to 1107.01 of the IDOT STANDARD SPECIFICATION8:~
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The Contractor and all subcontractors shall comply with the requirements of~ CFR'<W10
(General Industry Standard) and 29 CFR 1926 (Construction Industry Standard). The
Contractor and all subcontractors are solely responsible for compliance with said regulations.
The Contractor will provide Material Safety Data Sheets (MSDS) for all hazardous chemicals
or materials that will be at the job site. The Material Safety Data Sheets will be submitted to
the Project Engineering prior to the start of construction and supplemented as necessary
throughout the project. This data is being provided for informational purposes only and does
not relieve the contractor of any obligations for compliance with applicable OSHA and State
laws regarding hazardous chemicals and right-to-know.
"..'
5-7 EMPLOYMENT PRACTICES.
Neither the Contractor nor his/her subcontractors, shall employ any person whose physical or
mental condition is such that his/her employment will endanger the health and safety of them-
selves or others employed on the project.
Contractor shall not commit any of the following employment practices and agrees to include the
following clauses in any subcontracts: .
To discriminate against any individual in terms, conditions, or privileges of employment
because of sex, race, color, religion, national origin, sexual orientation, gender identity,
819OO/10.060/Fronl.End.doc
SC-4
marital status, age or disability unless such disability is related to job performance of such
person or employee.
To discharge from employment or refuse to hire any individual because of sex, race, color,
religion, national origin, sexual orientation, gender identity, marital status, age, or disability
unless such disability is related to job performance of such person or employee.
S-8 CONTRACT COMPLIANCE PROGRAM (ANTI-DISCRIMINATION REQUIREMENTS).
For all contracts of $25,000 or more, the Contractor shall abide by the requirements of the City's
Contract Compliance Program, which is included with these Specifications beginning on page CC-1.
S-9 MEASUREMENT AND PAYMENT.
Section 01025, Measurement and Payment, contained in Division 1 of these specifications defines
all pay items and methods of measurement. The provisions of this section will supersede
applicable sections in the lOOT STANDARD SPECIFICATIONS.
S-10 TAXES.
Contractor shall pay all sales, consumer, use and other similar taxes required to be paid in
accordance with local law as outlined in 1109.07 of the lOOT Standard Specifications. The City of
Iowa City does not issue tax exemption certificates to preclude the payment of sales tax. Prior to
project acceptance by the City Council, the Contractor shall submit to the Engineer a statement of
taxes paid, including all information required by the State of Iowa for reimbursement of taxes. The
City will reimburse Contractor for taxes approved and reimbursed by the State of Iowa.
Reimbursement to the Contractor will occur within 30 days of the City receiving reimbursement
from the State. Tax statements submitted after the project has been accepted by the City Council
will not be accepted or reimbursed.
S-11 CONSTRUCTION STAKES.
Replace the last paragraph of 1105.06 of the lOOT Standard Specifications with the following:
The Contractor shall be responsible for the preservation of stakes and marks. Any
necessary re-staking will be at the Contractor's expense and will be charged at a rate of
$75 per hour.
S-12 RESTRICTION ON NON-RESIDENT BIDDING ON NON-FEDERAL-AlD PROJECTS.
The Contractor awarded the project together with all Subcontractors shall be required to complete
the form included with these specifications (and entitled the same as this section) and submit it to
the Engineer before work can begin on the project.
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81900/10.060/Fronl-End.doc
SC-5
RESTRICTION ON NON-RESIDENT BIDDING ON NON-FEDERAL-AID PROJECTS
PROJECT NAME:
TYPE OF WORK:
DATE OF LETTING:
A resident bidder shall be allowed a preference as against a non-resident bidder from a state or
foreign country which gives or requires a preference to bidders from that state or foreign country.
That preference is equal to the preference given or required by the state or foreign country in
which the non-resident bidder is a resident. "Resident bidder" is defined as a person authorized to
transact business in this state and having a place of business within the state, and has conducted
business for at least six months prior to the first advertisement for the public improvement. In the
case of a corporation, the above requirements apply as well as the requirement that the
corporation have at least fifty percent of its common stock owned by residents of this state.
This qualification as resident bidder shall be maintained by the bidder and his/her contractors and
subcontractors at the work site until the project is completed.
I hereby certify that the undersigned is a resident bidder as defined above and will remain such
from the start of the project until its completion.
COMPANY NAME:
CORPORATE OFFICER:
TITLE:
DATE:
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81900/10.060/Fronl-End.doc
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SECTION 01010
SUMMARY OF THE WORK
PART 1 - GENERAL
General description. not all inclusive.
A. Base Bid Work:
1. Construct 9-inch thick Portland Cement Concrete (PCC) roadway section on
Grand Avenue. Melrose Avenue and Byington Road.
2. Remove PCC and Asphalt Cement Concrete roadways. curb and gutters.
sidewalks and other miscellaneous items.
3. Reconstruct existing Steam Tunnel Vault.
4. Construct PCC sidewalks. curb and gutter. and paved medians.
5. Remove existing storm sewer intakes.
6. Furnish. install and construct storm intakes and sewer pipes.
7. Adjust existing utility fixtures.
8. Remove existing light pole and traffic signal pole.
9. Install city provided signal pole and mast arm.
10. Provide new traffic signal equipment. including signal heads and video detection
system. Revise existing equipment and wiring to accommodate new signal pole
and equipment.
11. Remove existing and install permanent paving markings on Grand Avenue,
Byington Road and Melrose Avenue.
12. Provide traffic and pedestrian traffic control during all phases of project.
13. Clear and grub existing vegetation and furnish and install seed, fertilizer, mulch
and sod throughout project.
14. Furnish and install new traffic signs.
15. Construct PCC base for Barrier Gate system to be installed by others.
16. Other work associated with intersection reconstruction.
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SECTION 01025
MEASUREMENT AND PAYMENT
PART 1 - GENERAL
1.01 SUMMARY:
A. Procedures and submittal requirements for schedule of values, applications for payment,
and unit prices.
1.02 STANDARD OF MEASUREMENTS:
A. Work completed under the contract shall be measured by the Engineer. Payment will be
based on the actual quantity of work performed according to the various classes of work
specified unless noted in Part 3 of this Section. The Contractor will be given an opportunity
to be present during measurement.
1.03 SCOPE OF PA YMENT:
A. The Contractor shall accept the compensation as herein provided as full payment for
furnishing materials, labor, tools and equipment and for performing work under the contract;
also, for costs arising from the action of the elements, or from any unforeseen difficulties
which may be encountered during the execution of the work and up to the time of
acceptance.
B. Construction items may be bid as a lump sum or as itemized work, which will be paid on a
unit cost basis. In either case, some work may be required for which a separate pay item is
not provided. Completion of this work is required. If a separate pay item is not provided for
this work, it is to be considered incidental to the project and no separate payment will be
made.
PART 2 - PRODUCTS
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2.01 NONE
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PART 3 - EXECUTION
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3.01
PROCEDURE:
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Payment under this contract shall occur no more than once per month for-work co~leted
by the Contractor. Payment is based on an estimate of the total amount and value ot'work
completed minus 5% retainage. It is not the City's policy to pay for materials and equipment
stored or furnishings fabricated off site.
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A.
The 5% retainage will be released 31 days after the project is accepted by the City Council,
provided no claims against the project have been filed within 30 days of project acceptance.
Chapter 573 of the Code of Iowa will govern the release of retainage and resolution of
claims.
81900/1 0.060/50c 01 025.doc
01025-1
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3.02 BID ITEMS:
A. GENERAL
The following subsections describe the measurement of and payment for the work to be
done under the items listed in the FORM OF PROPOSAL.
Each unit or lump sum price stated shall constitute full payment as herein specified for each
item of work completed in accordance with the drawings and specifications, including clean
up.
It is the Contractor's responsibility to identify the locations of public and private utilities. No
additional compensation will be made for any interference or delay caused by the placement
and/or relocation of said utilities. No additional compensation will be made for repair costs to
fix damage caused by the Contractor or his/her Subcontractors.
Work associated with existing items on private and/or public property that are to be
protected, removed, relocated, replaced, reinstalled or modified is considered incidental
unless it is listed as an item in the FORM OF PROPOSAL. Existing items damaged or
unsuitable for relocation or reinstallation will be replaced with like item and painted, if
necessary, at the Contractor's expense.
All trees and shrubs shall remain and be protected from damage unless specifically noted as
"REMOVE" or "CLEAR AND GRUB" on the project plans and as otherwise directed by the
Engineer. The prices for those items which may have any impact on existing trees and
shrubs shall include compensation for special precautionary measures required to prevent
injury or damage to said tree, shrub or root system.
The prices for those items which involve grading or excavation shall include compensation
for top soil removal and replacement (unless it is listed as an item in the FORM OF
PROPOSAL), disposal of surplus excavated material, handling water, installation of all
necessary sheeting, bracing and temporary fencing around all open excavations and supply,
placement and compaction of specified backfill.
The prices for those items which involve surface removal adjacent to buildings or vaults
shall include compensation to protect exposed surfaces from water which may leak or seep
into vaults and/or basements.
All labor, materials and equipment required to bring surfaces to the proper elevation and
density including loading, hauling, and disposal of unsuitable material, below grade
excavation, borrow and hauling, placing, forming, drying, watering and compaction of fill
material, and all such work as may be required to make the grading work complete with a
uniform surface free of rock, broken concrete, tree roots, limbs and other debris is incidental
to this project unless it is listed as an item in the FORM OF PROPOSAL.
The Contractor must pay for all parking permit fees, meter hoods, lot and ramp fees, and
parking tickets. The Contractor must figure these costs into their bid prices. The City will not
waive parking fees or fines. Permits paid for by the Contractor will be issued only for
construction vehicles, not personal vehicles.
The Contractor shall be responsible for continuous cleaning of mud and debris off adjacent
driveways, streets, sidewalks and private property, when mud and debris is deposited there
as a result of any construction activity. The cost of clean up shall be incide~.
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81900/10.060/Sec 01025.doc
01025-2
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B. BID ITEM DESCRIPTIONS
1. Portland Cement Concrete Pavements and Driveways.
The unit prices for these items will be paid based on the number of square yards of
Portland Cement Concrete pavements, driveways and parking lots constructed at
the specified widths, thicknesses and mix designs, including 5-foot in length fUll
depth concrete beyond the back of sidewalk where existing driveways are gravel or
dirt. Also included with these items is excavation to piace forms and pavement at
required elevations, supply, placement and compaction of subgrade material under
driveways and parking lots, forming, supply, placement and finishing of concrete,
special concrete mixes, reinforcement, Portland Cement Concrete curb and curb
drop installation, curing, jointing and joint sealing, grading to establish a uniform
grade between the sidewalk and top of curb, and backfilling at curb lines, driveway
edges and parking lot edges.
Aggregate durability ciass for all P .C. Concrete paving shall be Class 3.
If weather conditions prohibit the use of Class M, P.C. Concrete, a deduct will be
negotiated for the reduced cement content in Class C, P.C. Concrete.
2. Asphait Cement Concrete Pavements and Driveways.
None This Project
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3. Crushed Rock Surfacing.
None This Project
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4. Portland Cement Concrete Curb and Gutter.
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Granular Shoulders.
None This Project
6. Portland Cement Concrete Sidewalk and Curb Ramps.
The unit price for these items will be paid based on the number of square feet of
Portland Cement Concrete sidewalk constructed at the specified widths,
thicknesses and mix designs. Included with these items is subgrade preparation
and compaction, subgrade treatments, fomning, concrete placement and finishing,
curb ramps, curb ramp coloring per Section 03350, curing, jointing and joint sealing,
and backfilling at fomn lines.
7. Granular Subbase.
The unit price for this item will be paid based on the number of square yards of
granular subbase constructed at the specified thickness including placement 24-
inches beyond the back of curb. Also included with this item is excavation to grade,
subgrade preparation and compaction, subgrade treatments, and subbase
placement and compaction to required elevations.
8. Subgrade Repair.
The unit price for this item will be paid based on the number of tons of rock used to
repair unsuitable subgrades and includes removal and disposal of unsuitable
material and supply, placement and compaction of rock. This item is to be used only
81900/1 O.oeO/Sec 01 025.doc
01 025-3
at the direction of the Engineer. Measured quantity may vary up to 100% with no
unit price adjustment. Acceptable subgrades which become unsuitable due to the
Contractor's sequence of operations will not be paid for under this item.
9. Longitudinal Subdrain and C.M.P. Outlets.
None This Project
10. Construction of Sanitary Sewers, Sanitary Sewer Services, Storm Sewers and
Culverts.
The unit prices for these items will be paid based on the 'number of linear feet
installed. Length will be measured for each size and type of pipe along the pipe
center line with no deductions for prefabricated bends or flared end sections.
Measurement shall exclude the space across manholes and intakes.
81900/10.060/Sec 01025.doc
The following items shall be considered incidental unless they are included with
other items listed in the FORM OF PROPOSAL:
a.
Adapters, collars and tapping required for connections to dissimilar pipes,
manholes, or other appurtenances. .. ,
Trench excavation including furnishing necessary equipme&t?
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Trench boxes required for safety and to minimize disturbance to features to
be saved.
b.
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d.
Exploratory digging required to determine location of existing structures or
potential conflicts. '
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Furnishing pipe, wyes, tees, fittings, joint materials, and appLlctenances.'
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Supply, placement and compaction of specified pipe bedding material and
standard or select material within the pipe envelope including concrete
encasements.
f.
g.
Supply, placement and compaction of standard backfill and granular backfill
material. Granular backfill material shall be used in trenches under or within
5 feet of pavement or as otherwise indicated or specified on the plans and
by the Engineer.
Dewatering trenches and excavations for pipe, intakes, manholes and
associated structures including furnishing pumps, piping, well points, etc.,
as required.
Temporary connections, piping, and pumping for bypassing sewage flows
as required to construct pipe, intakes, manholes and associated structures.
Frost excavation, frost ripping, frost blankets, or other activities associated
with cold weather.
Testing of sewersas required.
Temporary support of existing utility mains and service lines.
Temporary fencing required to contain livestock.
Repair or replacement of utility services damaged by the Contractor.
Permanent connections and stubs with caps for sump pump, drainage, and
field tiles of various sizes, including backfill as specified by the Engineer.
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01025-4
11. Flared End Sections with Guards.
None This Project
12. Revetment Stone and Erosion Stone.
None This Project
13. Construction of Storm Intakes.
The unit prices for these items will be paid based on the number of each type of
intake constructed and includes excavation, forming, reinforcing steel, dowels,
supply, placement, compaction and finishing of concrete, supply, placement and
compaction of specified backfill, providing stubs for drainage tiles and the frame and
casting. Construction of larger than standard intakes to fit over large storm sewers
and intake throats shall be considered incidental. Stoppers for stub connections are
incidental.
14. Construction of Manholes.
None This Project
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15.
Construction of Water Mains and Water Services.
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16.
Construction of Water Valves and Hydrants.
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None This Project
17. Adjust Fire Hydrants, Water Valves and Water Service Shut-offs.
The unit prices for these items will be paid based on the number of fire hydrants,
water valves and water service shut-offs adjusted to finish grade and includes
excavation, fittings, hardware, backfill, compaction and the protection of these
fixtures during the construction process.
18. Adjust Water Service Lines.
None This Project
19. Pavement Removal.
Removal quantities shall include Portland Cement Concrete, full depth Asphalt
Cement Concrete, and/or brick roadways, driveways, parking lots, curbs and
gutters, and sidewalks. Removal of compacted granular and chip seal surfaces,
including asphalt patches, shall be considered as Class 10 Roadway & Borrow
Excavation and will not be measured and paid under this item. Saw cuts and
hauling and disposal of waste materials shall be incidental. All proposed saw cuts
must be approved by the Engineer. Removal operations shall conform to the
construction phasing noted on the plans or as otherwise approved or directed by the
Engineer. Additional effort required for this purpose is considered incidental.
20. Removal of Existing Sewer an(j Culvert Pipe.
The unit price for this item will be paid based on the number of linear feet of
designated pipe which is removed as measured along the pipe centerline and
includes excavation, saw cut of structures, demolition, removal, including flared-end
81900/1 O.OGO/See 01 025.doc
01025-5
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sections, disposal of debris, and supply, placement and compaction of specified
backfill.
21. Removal of Intakes and Manholes.
The unit prices for these items wiil be paid based on the number of each type of
designated structure which is removed and includes excavation, demolition,
removal, disposal of debris and supply, placement and compaction of specified
backfill.
22. Sewer and Manhole Abandonment.
None This Project
23. Removal of Concrete Steps and Retaining Wall.
None This Project
24. Construction of Concrete Retaining Wall and Steps and Class 20 Excavation.
25.
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None This Project Ci
Special Retaining Wall, As Per Plan.
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None This Project
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Clearing and Grubbing.
26.
27.
The lump sum price for this item includes all work required to cut, remove and
dispose of trees, stumps, roots, logs, down timber, hedges, brush, shrubs, com,
crops, vegetation, rubbish and field fence within the limits of construction as
directed by the Engineer. Also included is removal, salvage, relocation and
replacement of mailboxes, decorative fencing, planters, flagpoles, and similar other
items as directed by the Engineer.
28. Topsoil, Strip, Salvage & Spread.
The unit price for this item wiil be paid based on the plan quantity of cubic yards of
topsoil stripped, salvaged and spread. Included with this item is all work required to
remove topsoil from cuts, or areas to be covered by fill, preparation of vegetation,
and hauling, depositing, and spreading the topsoil on areas to be seeded and
sodded. Also included is mowing, plowing, blading, disking, and stockpiling. Topsoil
shall be removed to a uniform 9-inch depth.
29. Class 10 Excavation.
The estimated quantities are: 500 cubic yards cut and 0 cubic yards fill (including
30% shrink). The unit price for this item will be paid based on the plan quantity for
cubic yards of cut. Included with this item is all work required to bring the roadway
to the proper subgrade elevation and density along the entire cross section with a
uniform surface free of debris. Also included is cutting, loading, hauling and disposal
of unsuitable material, including chip seal, below grade excavation, borrow and
hauling, placing, forming, drying, watering and compaction of fill material.
81900/10.060/Sec 01025.doc
01025-6
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Approved Contractor-provided borrow pit and materials, as needed, shall be
incidental to this item. There will be no payment for overhaul.
30. Class 12 Excavation.
None This Project
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31. Trench Stabilizing Material.
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None This Project
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None This Project
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33.
Drainage Swale Reshaping.
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None This Project
34. Erosion Control.
The unit price for silt fence will be paid based on the number of linear feet installed
at locations indicated on the plans or as directed by the Engineer and includes
installation, maintenance and removal upon establishment of ground cover.
The unit price for erosion control mat will be paid based on the number of squares
(1 square = 100 square feet) of actual area covered and includes supply and
placement of specified material, anchor slots, junction slots, check slots, terminal
folds, lap joints and maintenance.
Erosion control for areas disturbed by careless actions of the Contractor shall be at
the Contracto~s expense.
35. Engineering Fabric.
None This Project
36. Sodding.
None This Project
37. Seed, Fertilize, and Mulch.
The unit price for this item will be paid based on the number of acres seeded,
fertilized, and mulched and includes preparation of seed bed, supply and application
of seed, fertilizer, mulch, and water, and all upkeep as specified, including a one-
year guarantee. No distinction in unit price shall be made for various seed mixtures
specified.
Only disturbed areas not replaced with pavement and sod shall be seeded unless
noted on the plans or directed by the Engineer.
38. Trees and Shrubs.
None This Project
39. . Cropland Restoration.
None This Project
81900/10.060/5ec 01025.doc
01025-7
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40. Pavement Markings.
The unit prices for these items will be paid based on the number of stations installed
based on a 4-inch width and the number of symbols and legends placed. Work
includes removal of old markings as applicable, prep work, layout, supply and
placement of epoxy paint and glass beads and protection during cure. Layout must
be approved by the Engineer. I.D.O.T. Supplemental Specification 97036 will
govern this item.
41. Traffic Control.
The lump sum price for this item will be paid based on percent complete for
furnishing, installing, maintaining, moving, relocating, and removing all traffic control
devices including barricades, safety fencing, drums, lights, standard signs,
temporary barrier rails, sequential flashing arrows, flaggers, uniformed officers,
temporary pavement markings and orange safety fence at road closures. _._
42.
Monitoring Well, Adjust.
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43. Monitoring Well, Remove.
None This Project
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44.
Traffic Signalization
The lump sum price for this item will be paid based on percent complete for all work
required to complete the traffic signalization as detailed in the project plans.
45. Brick Paving Installation
None This Project
46. Acid Wash, Sweep & Fog Brick Paving
None This Project
47. Gabion Basket and Reno Mattress
None This Project
48. Geotextile
None This Project
81900/10.060/50c 01025.doc
01025-8
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SECTION 01310
PROGRESS AND SCHEDULES
PART 1 - GENERAL
1.01 SUMMARY:
A. Prepare, submit and update as necessary a schedule of the work.
B. Time is of the essence. Minimizing inconvenience, disruption and duration of
disruption to residences and businesses is a high priority. Scheduling of work shall
be planned with this in mind.
1.02 SUBMITTALS:
A. The Contractor shall submit prior to the Pre-Construction meeting a detailed schedule of the
proposed work with the controlling operation identified. The schedule shall include proposed
dates and durations of street closings. Work may not begin until the schedule is approved
by the Engineer.
B. The Contractor shall submit updated construction schedules at one-week intervals
throughout the project.
PART 2. PRODUCTS
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3.01 MEETINGS PRIOR TO CONSTRUCTION:
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A Pre-Bid meeting will be held on Mav 4. 2005.
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B.
A Pre-Construction meeting will be held prior to beginning work.
3.02 PROGRESS OF WORK:
A. Work will be limited to 67 calendar days. The specified start date is June 6. 2005. The
substantial completion date is AUQust 12. 2005. Liquidated damages of $400.00 per day will
be charged on work beyond 67 calendar days.
B. No work shall be done between the hours of 10:00 p.m. and 7:00 a.m. without the approval
of the Engineer, with the exception of saw cutting freshly poured concrete.
C. Work will proceed in a well organized and continuous manner to minimize the disruption to
the general public (both pedestrian and vehicular) and the local businesses and residents.
Access to businesses and residences shall be maintained at all times.
D. Construction will proceed in phases. The particular phasing sequence is outlined in the
project plans. Prior to adva[lcing to the next phase or sub-phase, the existing phase or sub-
phase shall be sufficiently complete to allow reopening to the public, as determined by the
Engineer.
81900/10.060/50c 01310.doc
01310-1
E. Restoration activities such as pavement replacement will follow closely behind the work
even if multiple mobilizations are necessary.
F. The Contractor will become an active partner with the City in communicating with and
providing information to concemed residents and businesses.
G. Work will be staged to minimize the length of time parking spaces and parking revenue are
lost.
3.03 COORDINA TION WITH UTILITIES AND RAILROADS:
A. It is anticipated that many utility conflicts will occur which cannot be taken care of ahead of
time. The Contractor shall work closely with the utility companies to aid in these relocations
to keep the project on schedule.
B. The Railroads will provide all labor, materials and equipment for railroad facility removal,
excavation, disposal, sub-drainage, ballast, sub-ballast and trackage renewal.
C. The Railroads have certain time limitations on when the above mentioned work must take
place. It shall be the Contractor's responsibility to coordinate and be available to meet the
Railroads' schedule. MY costs associated with train rerouting due to circumstances caused
by the Contractor shall be at the expense of the Contractor.
3.04 STREET CLOSINGS:
A. Notify the Engineer four days in advance of street closings so that a press release can be
issued. No street may be closed without the Engineer's approval and said notification.
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81900/10.060/5ec 01310.doc
01310-2
._-_._-".-~-,---,~,-,-,-----,----'-----'----'---'----.
SECTION 01570
TRAFFIC CONTROL AND CONSTRUCTION FACILITIES
PART 1 - GENERAL
1.01 SUMMARY:
A. Furnish, install and maintain traffic control and construction facilities required for the work.
Remove when work is completed.
1.02 REFERENCES:
A. lOOT Standard Specifications.
B. U.S. Department of Transportation Federal Highway Administration "Manual on Uniform
Traffic Control Devices for Streets and Highways," 1988 Edition, as revised.
C. Traffic Control Notes on project plans.
1.03 SUBMITTALS:
A. Submit a traffic control plan for all activities requiring traffic control not specifically addressed
by the project plans.
PART 2 - PRODUCTS
2.01 MA TERIALS:
A. Traffic control devices may be new or used, but must meet the requirements of the lOOT
Standard Specifications.
B. All construction fence shall be new and securely fastened to approved posts and installed as
directed by the Engineer.
2.02 EQUIPMENT:
A. Portable generators may not be used to power traffic control devices within 300 feet of
residential dwellings, inciuding apartments, between the hours of 10:00 p.m. and 7:00 a.m.
PART 3 - EXECUTION
3.01 TECHNIQUES:
A. Except as amended in this document, the work in this section will conform with the following
divisions and sections of the lOOT Standard Specifications:
Division 11. General Requirements and Covenants.
Section 1107.09. Barricades and Warning Signs.
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Division 25. Miscellaneous Construction.
Section 2528. Traffic Control.
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81900/10.060/5ec 01570.doc
01570-1
-~-'----------~"-------------"-'-'--"---"-'--'-----------"------"_._-,,,._-"---,..,---_.._.,-_..~._----~--.'.-....'-..--..------------
3.02 NO PARKING SIGNS:
A. The City will furnish "NO PARKING" signs to facilitate removal of parked vehicles ahead of
scheduled work. The Contractor is responsible for installation and maintenance of the signs
48 hours in advance of when the vehicies must be removed.
3.03 MAINTENANCE OF FACILITIES:
A. The Contractor shall monitor the condition of traffic control and construction facilities at all
times, including non-work hours. Repair, replace and maintain as necessary.
B. Pedestrian access to homes and businesses shall be maintained at all times. Temporary
gravel surfaces shall be provided as directed by the Engineer.
3.04 EXCAVATIONS:
A. All excavations shall be fenced.
3.05 ADDITIONAL FACILITIES:
A. All signs. barricades and fences within and beyond the project area deemed appropriate by
the Engineer shall be the responsibility of the Contractor.
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81900/10.060/Sec 01570.doc
01570-2
_._~.______._______'M'___~~,_______,_
SECTION 02050
DEMOLITIONS, REMOVALS AND ABANDONMENTS
PART 1 . GENERAL
1.01 SUMMARY:
A. Furnish labor, materials, tools and equipment to remove existing paved surfaces as
indicated and specified.
B. Furnish labor, materials, tools and equipment to remove existing storm sewer pipes, sanitary
sewer pipes, intakes, and drainage structures as indicated and specified.
1.02 REFERENCES:
A. IDOT Standard Specifications.
1.03 QUALITY ASSURANCE:
A. Disposal sites shall comply with all applicable Iowa Department of Natural Resources and
United States Environmental Protection Agency regulations.
B. Comply with all state and local ordinances pertaining to hauling and disposal of rubbish,
broken concrete, asphalt, stone, bricks, castings, and other waste or debris resultillQ ,from
work on the project. r,
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1.04 SUBMITTALS:
- ,
A. Locations of disposal sites.
PART 2 - PRODUCTS
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2.01 MATERIALS:
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A. Granular backfill material shall consist of Class A Crushed Stone, IDOT Standard
Specification Section 4120.04 and Section 4109, Gradation No. 11.
B. Explosives shall not be used for demolition.
PART 3 - EXECUTION
3.01 TECHNIQUES:
A. Except as amended in this document, the work in this section will conform with the following
divisions and sections of the IDOT Standard Specifications:
Division 24. Structures.
Section 2401. Removal of Existing Structures.
Division 25. Miscellaneous Construction.
Section 2510. Removal of Old Pavement.
Section 2511. Removal and Construction of Portland Cement Concrete Side-
walks.
Section 2515. Removal and Construction of Paved Driveways.
Section 2516. Removal and Construction of Retaining Walls and Steps.
81900/10.060/Sec 020SO.doc
02050-1
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3.02 INSPECTION:
A.
'\
Limits of demolition shall be per 3.04 of this section. The Engineer reserves the right to
revise demolition limits if required by the nature of construction.
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3.03 PROCEDURES:
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A.
Utilities
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Notify all corporations, companies, individuals and state or local authorities owning
pipelines, water lines, gas mains, buried and overhead electric facilities, telephone,
cable television, fiber optic, and other public or private utilities shown on the
drawings or otherwise known or discovered to be in the project area.
2. When active utilities are encountered, promptly take necessary measures to
support and protect said utilities and maintain them in service.
3. If active utilities are damaged or interrupted as a result of work on the project, take
appropriate measures to restore service immediately. Restoration of utility services
under these circumstances shall be at the Contractor's expense.
4. Active utilities shown on the drawings to be relocated, or which require relocation
due to unforeseen circumstances or conditions, shall be relocated in accordance
with instructions from the Engineer. Generally, the respective utility owners shall be
responsible to perform relocation work for their facilities. The Contractor shall
cooperate with these efforts in every reasonable way and shall not be entitled to
additional compensation for delays resulting from such relocations.
B. Site Protection Measures
1. Refer to Traffic Control Sheets for details.
2. Barricade and fence open excavations or depressions resulting from work during
non-working hours and when not working in immediate area. Provide suitable
warning devices adjacent to excavations and work areas.
3. Warning devices shall be kept operational during all non-working and non-active
periods.
C. Site Access Measures
1. Pedestrian access to homes and businesses shall be maintained at all times.
Temporary gravel surfaces shall be provided as directed by the Engineer.
2. Contractor shall perform demolition and removal operations so as to maintain
vehicular access to adjacent properties and businesses to the maximum extent
. possible.
D. Disposals
1. No material or debris shall be buried within the project work area. All unsuitable
material resulting from demolitions and removals shall be hauled to and disposed of
at a Contractor-furnished site approved by the Engineer or to the landfill. The
Contractor shall pay the current tipping fee at the landfill.
81900/10.060/Soc 0205D.doc 02050-2
3.04 DEMOLITION AND REMOVALS:
A. Pavement and Sidewalk Removals
1. Removal shall be to the limits noted on the plans or as directed by the Engineer.
2. Pavement removal shall include brick, P.C. Concrete, and A.C. Concrete
pavements, driveways, alleys, parking lots, and sidewaiks. Removal of chip seal or
aggregate surfaces is not considered pavement removal.
3. Sawcuts shall be approved by the Engineer.
4. Removal operations shall conform to construction phasing noted on the plans or as
directed by the Engineer.
B. Sewer Abandonment and Removal
1. Removal shall be at the locations and to the limits noted on the plans or as directed
by the Engineer.
2. Backfill under and within 5 feet of paved surfaces shall be Class A crushed stone
compacted to 95% Standard Proctor Density. The top 12 inches directly below
paved surfaces shall be Class A crushed stone compacted to 98% Standard
Proctor Density. Other excavations shall be backfilled with suitable excavated
material, compacted to 90% Standard Proctor Density.
3. Sewers to be abandoned, but not removed, shall be filled with an approved non-
shrink flowable mortar and bulkheaded at each end with concrete.
4. Select castings shall be delivered to the pollution control plant at 1000 S. Clinton
Street as directed by the Engineer.
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81900/10.060/50c 02050.doc
02050-3
SECTION 02100
SITE PREPARATION
PART 1 - GENERAL
1.01 SUMMARY:
A. Furnish labor, material, tools and equipment to prepare site as indicated and specified.
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1.02 REFERENCES:
A. lOOT Standard Specifications.
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PART 2 - PRODUCTS
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PART 3 - EXECUTION
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3.01 TECHNIQUES:
A. Except as amended in this document, the work in this section will conform with the following
divisions and sections of the lOOT Standard Specifications:
Division 21. Earthwork, Subgrades and Subbases.
Section 2101. Clearing and Grubbing.
Division 25. Miscellaneous Construction.
Section 2519. Fence Construction.
3.02 EXISTING TREES, SHRUBS AND VEGETATION:
A. All trees, shrubs and vegetation shall remain and be protected from damage unless
specifically noted as "REMOVE" or "CLEAR AND GRUB" on the plans or as directed by the
Engineer.
B. No construction materials and/or equipment are to be stored, piled, or parked within the
trees' drip line.
C. Contractor is responsible for damage outside the limits of construction, and for trees, shrubs
and vegetation not designated for removal. The Contractor's liability for tree and shrub
damage will be based on the appraised value, not replacement value, and shall include the
cost of appraisal by a qualified arborist.
3.03 EXISTING STRUCTURES AND PROPERTY:
A. Remove existing signs and posts within the construction area as directed by the Engineer.
All permanent traffic signs will be removed, stored, and replaced by the City of Iowa City.
Contractor shall provide 48 hour minimum advance notice for sign removal and for sign
replacement. Permanent signs will be replaced prior to concrete pours.
81900/1 0.060/Sec 021 OO.doc
02100-1
B. Move mailboxes to a location approved by the Engineer prior to closing road. Salvage and
store any unique supports for mailboxes. Restore mailboxes and their supports to their prior
location and condition when road is reopened.
3.04 EXISTING FENCING:
A. Only fencing designated by the Engineer shall be removed.
B. Sections of fence removed for construction shall be replaced per the applicable bid item. If
not addressed, replace with new materials.
3.05 EXISTING UTILITIES:
A. Contact appropriate utility representative to verify the presence and location of buried utilities
in the construction area.
3.06 EROSION CONTROL:
A. Comply with Iowa City Code and Section 02270, Slope Protection and Erosion Control.
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81900/10.060/Sec 02100.doc
02100-2
SECTION 02220
EARTH EXCAVATION, BACKFILL, FILL AND GRADING
PART 1 - GENERAL
1.01 SUMMARY:
A. Excavating, placing, stabilizing and compacting earth, including trench and rock excavation,
addition of borrow and backfill, disposal of excavated material, and topsoil, strip, salvage
and spread.
1.02 REFERENCES:
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A. lOOT Standard Specifications.
1.03 QUALITY ASSURANCE:
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A. Whenever a percentage of compaction is indicated or specified, use percenfof maocimull) ,
density at optimum moisture as determined by ASTM 0698-91, unless note<T'otherwise.
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B.
Borrow sites and materials shall be approved by the Engineer prior to use. y
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PART 2 - PRODUCTS
2.01 MA TERIALS:
A. Granular backfill material shall consist of Class A Crushed Stone, lOOT Standard
Specification Section 4120.04 and Section 4109, Gradation No. 11.
PART 3 - EXECUTION
3.01 TECHNIQUES:
A. Except as amended in this document, the work in this section will conform with the following
divisions and sections of the lOOT Standard Specifications:
Division 21. Earthwork, Subgrades and Subbases.
All sections
Division 24. Structures.
Section 2402. Excavation for Structures.
3.02 TOPSOIL:
A. Strip and stockpile topsoil from lawn, grass, and crop areas for surface restoration and
landscaping work. Strip topsoil to a uniform depth to provide sufficient quantity of material
for placement of a minimum of 9 inches of topsoil for surface restoration and landscaping.
Protect topsoil from mixture with other materials such as aggregate and from erosion.
Removal of topsoil from the site is not permitted.
81900/1 0.060/See 02220.doc
02220-1
3.03 DRAINAGE AND DEWA TERING:
A. Provide and maintain ample means and devices (including spare units kept ready for
immediate use in case of breakdowns) to intercept and/or remove promptly and dispose
properly of all water entering trenches and other excavations. Keep such excavations dry
until the structures, pipes, and appurtenances to be built therein have been completed to
such extent that they will not be floated or otherwise damaged.
B. Dispose of all pumped or drained water without undue interference to other work, or causing
damage to pavements, other surfaces, or property. Provide suitable temporary pipes,
flumes, or channels for water that may flow along or across the work site.
C. Take all precautions necessary to prevent damage to the work by rain or by water eme)"ing
the site, whether water entry be overland or by groundwater. C~" :
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3.04 TRENCH EXCA VA TION:
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A. General
1.
Excavate trench by machinery to, or just below, designated subgradeW~.e[l pi~~ is
to be laid in granular bedding or concrete cradle, provided that materi<i!:remaini~'g.at
bottom of trench is only slightly disturbed. Y .;c-
2. Do not excavate lower part of trenches by machinery to subgrade when pipe is to
be laid directly on bottom of trench. Remove last of material to be excavated by use
of hand tools, just before placing pipe. Hand shape bell holes and form a flat or
shaped bottom, true to grade, so that pipe will have a uniform and continuous
bearing. Support on firm and undisturbed material between joints, except for limited
areas where use of pipe slings have disturbed bottom.
B. Protection
1. Barricade and fence open excavations or depressions resulting from work during
non-working hours and when not working in immediate area.
C. Trench Width
1. Make pipe trenches as narrow as practicable and safe. Make every effort to keep
sides of trenches firm and undisturbed until backfilling has been completed and
consolidated.
2. Excavate trenches with vertical sides between elevation of center of pipe and
elevation 1 foot above top of pipe.
3. Refer to plans for allowable trench widths within the pipe envelope for various types,
sizes and classes of pipe.
D. Trench Excavation in Fill
1. Place fill material to final grade or to a minimum height of 6 feet above top of pipe
when pipe is to be laid in embankment or other recently filled areas. Take particular
care to ensure maximum consolidation of material under pipe location. Excavate
pipe trench as though in undisturbed material.
81900/10.060/80c 02220.doc 02220-2
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E. Excavation Near Existing Structures
1. Discontinue digging by machinery when excavation approaches pipes, conduits, or
other underground structures. Continue excavation by use of hand tools.
2. Excavate exploratory pits when location of pipe or other underground structure is
necessary for doing work properly.
F. Disposal of Unsuitable Soil
1. The Contractor shail notify the Engineer and Iowa Department of Natural Resources
(DNR) if soil contamination is found or suspected during excavation.
2. Soil disposal and remediation method shail be an option outlined in the IDOT
Construction Manual Section 10.22, and approved by the Iowa DNR and City. The
Contractor is not to proceed with soil removal and remediation measures until
instructed by the Engineer.
3. Disposal site to be provided by the Contractor and approved by the Engine,er, and
Iowa DNR.
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4. Contractor is responsible for completing and filing ail necessary Fe~eral; Stale~and- .
local government agency forms and applications.
G. Care of Vegetation and Property
. '-./
1. Use excavating machinery and cranes of suitable type and operate: INith ~ to
prevent injury to trees, particularly to overhanging branches ~ limbs "and
underground root systems. "'-
2. All branch, limb, and root cuttings shail be avoided. When required, they shail be
performed smoothly and neatly without splitting or crushing. Trim injured portions
by use of a chainsaw or loppers for branches, or an ax when working with roots. Do
not leave frayed, crushed, or torn edges on any roots 1" or larger in diameter or on
any branches. Frayed edges shail be trimmed with a utility knife. Do not use tree
paint or wound dressing. If conflicts with large roots and branches are anticipated,
notify the Engineer.
3. No construction materials and/or equipment are to be stored, piled, or parked within
the trees' drip line.
4. Excavators and loaders used on brick surfaces shail be limited to those with
rubberized tracks or rubber tires.
5. Do not use or operate tractors, buildozers, or other equipment on paved surfaces
when treads or wheels can cut or damage such surfaces.
6. Restore ail surfaces which have been damaged by the Contractor's operations to a
condition at least equal to that in which they were found before work commenced.
Use suitable materials and methods for restoration.
7. Aerate ail grassed and planter areas compacted by construction activities.
8. Utility lines, including drainage tiles, encountered shail be restored in one of the
foilowing ways:
81900/10.060/5ec 02220.doc 02220-3
a. Repair or otherwise reconnect the utility across trench after trench has
been backfilled, provided adequate drainage gradient is maintained, if
applicable.
b. Connect drainage tiles to nearest storm sewer.
The Contractor shall document the location and elevation of any utiiity lines
encountered. The Contractor shall notify the Engineer whenever a utility is
encountered and submit the proposed method of restoring the utility for review and
approval.
All utility repairs shall be made prior to backfilling the trench.
H. Water Services
1. Permanent copper water service lines which are damaged (cut, nicked, bent,
crimped, crushed, etc.) shall be replaced from the water main to the curb box with
new copper service pipe, without any joints. The cost for this work shall be at the
Contractor's expense.
2. In any excavation where existing lead or galvanized iron water services are in the
excavation or disturbed area, the Contractor shall replace the existing lead or
galvanized piping with new 1-inch or larger copper water service pipe from the water
main to the curb box. The Contractor will be paid per the applicable bid item. If
there is no bid item, the unit price for the replacement of the water service shall be
negotiated prior to commencement of the work.
3. When water service is disrupted, the Contractor shall make a reasonable attempt to
restore the service within two hours.
4. Water service pipe shall be type k soft copper.
3.05 ROCK EXCA VA TION:
A. Rock excavation will be considered Class 12 Excavation as defined in IDOT Standard
C:
Specification Section 2102.02.
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B. Explosives shall not be used for rock excavation.
3.06 BACKFILLING:
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A.
General
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Do not place frozen materials in backfill or place backfill upon frozen matwl.
Remove previously frozen material or treat as required before new backfill is placed.
B. Backfilling Excavations
1. Begin backfilling as soon as practicable and proceed until complete.
2. Material and Compaction
a.
Paved Areas: Under and within 5 feet of paved surfaces, including streets,
sidewalks and driveways, backfill shall be Class A crushed stone placed in
one foot lifts compacted to 95% Standard Proctor Density. The top 12
inches directly below paved surfaces shall be Class A crushed stone
compacted to 98% Standard Proctor Density. If under pavement, backfill to
81900/10.060/Soc 02220.doc
02220-4
bottom of the subgrade. If not under pavement, backfill to within 12 inches
of finished surface.
b. All other areas: Backfill shall consist of suitable job excavated material
placed in one foot lifts compacted to 90% Standard Proctor Density. If
excavated material is unsuitable, backfill with Class A crushed stone to
within 12 inches of finished surface.
c. Do not place stone or rock fragment larger than 2 inches within 2 feet of
pipe nor larger than 12 inches in backfill. Do not drop large masses of
backfill material into trench.
C. Backfilling Around Structures
1. Do not place backfill against or on structures until they have attained sufficient
strength to support the loads, including construction loads, to which they will be
subjected. Avoid unequal soil pressure by depositing material evenly around
structure.
2. Backfiil shall consist of Class A crushed stone placed in one foot lifts compacted to
95% Standard Proctor Density unless otherwise indicated or specified.
3.07 UNAUTHORIZED EXCA VA nON:
A. When the bottom of any excavation is taken out beyond the limits indicated or specified,
backfill, at Contractor's expense, with Class A crushed stone compacted to 95% Standard
Proctor Density.
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81900/10.060/Sec 02220.do~
02220-5
_._.._._-~-_._-_.._--,._-----------------'-_.+--_._-'-- ...--
SECTION 02270
SLOPE PROTECTION AND EROSION CONTROL
PART 1 - GENERAL
1.01 SUMMARY:
A. Placement of silt fence, erosion control mat, engineering fabric, revetment stone, and
erosion stone.
1.02 REFERENCES:
A. lOOT Standard Specifications.
B. Iowa Department of Transportation Highway Division "Standard Road Plans Manual", latest
edition.
1.03 QUALITY ASSURANCE:
A. Revetment stone and erosion stone shall meet the abrasion and durability requirements of
Section 4130 of the lOOT Standard Specifications.
B. Engineering Fabrics (geotextile) shall be of a non-woven material and conform to the
requirements of lOOT Engineering Fabric for Embankment Erosion Control.
1.04 STORAGE:
A. Prior to use, geotextile shall be stored in a clean dry place, out of direct sunlight, not subject
to extremes of either hot or cold, and with the manufacturer's protective cover in place.
Receiving, storage, and handling at the job site shall be in accordance with the. requirements
in ASTM 0 4873. ': ;
PART 2 - PRODUCTS
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2.01 MA TERIALS:
....1
A.
Except as amended in this document, the materials in this section will coriflirin, witht-Jhe
following divisions and sections of the lOOT Standard Specifications: P ,':
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Division 41. Construction Materials.
Section 4130, Revetment Stone and Erosion Stone.
Section 4169. Erosion Control Materials.
Section 4196. Engineering Fabrics.
PART 3 . EXECUTION
3.01 TECHNIQUES:
A. Except as amended in this document, the work in this section will conform with the following
divisions and sections of the lOOT Standard Specifications:
Division 25. Miscellaneous Construction.
Section 2507. Concrete & Stone Revetment.
81900/10.060/5ec 02270.doc
02270-1
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and the following IDOT Standard Road Plans:
RC-5 Wood Excelsior Mat
RC-16 SiltFence
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3.02 SCHEDULE:
A. Silt fence shall be installed at locations indicated on the plans immediately upon com~etion
of grading. Wood excelsior mat shall be placed and staked in seeded arefij>of sW\lles
immediately following seeding. ~;':: / ' ;\
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3.03 GEOTEXTILE:
A. Surface Preparation
1. The surface on which the geotextile is to be placed will be graded to the neat lines
and grades as shown on the plans. The surface will be reasonably smooth and free
of loose rock and clods, holes, depressions, projections, muddy conditions and
standing or flowing water.
B. Piacement
1. Prior to placement of the geotextiie, the soil surface will be inspected for quality of
design and construction. The geotextile will be placed on the approved surface at
the locations and in accordance with the details shown on the plans. The geotextile
will be unrolled along the placement area and loosely laid (not stretched) in such a
manner that it will conform to the surface irregularities when material is placed on or
against it. The geotextile may be folded and overlapped to permit proper placement
in the designated area.
2. The geotextile will be joined by overlapping a minimum of 18 inches (unless
otherwise specified on the plans or by the manufacturer), and secured against the
underlying foundation material. Securing pins, approved and provided by the
geotextile manufacturer, shall be placed along the edge of the panel or roll material
to adequately hold it in place during installation. Pins will be steel or fiberglass
formed as a "U", "L", or "T" shape or contain "ears" to prevent total penetration.
Steel washers will be provided on all but the "U" shaped pins. The upstream or up-
slope line will be inserted through both layers along a line through approximately the
midpoint of the overlap. At horizontal laps and across slope laps, securing pins will
be inserted through the bottom layer oniy. Securing pins will be placed along a line
approximately 2 inches in from the edge of the placed geotextile at intervals not to
exceed 12 feet unless otherwise specified. Additional pins will be installed as
necessary and where appropriate, to prevent slippage or movement of the
geotextile. The use of securing pins will be held to the minimum necessary. Pins
are to be left in place unless otherwise specified.
3. Should the geotextile be torn or punctured, or the overlaps disturbed, as evidenced
by visible damage, subgrade pumping, intrusion, or grade distortion, the backfill
around the damaged or displaced area will be removed and restored to the original
approved condition. The repair will consist of a patch of the same type of geotextile
being used, overlapping the existing geotextile. Geotextile panels joined by overlap
will have the patch extend a minimum of 2 feet from the edge of any damaged area.
4. The geotextile will not be placed untii it can be anchored and protected with the
specified covering within 48 hours or protected from exposure to ultraviolet light. In
no case will material be dropped'on uncovered geotextile from a height greater than
3 feet.
81900/10.060/Sec 02270.doc 02270-2
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SECTION 02520
PORTLAND CEMENT CONCRETE PAVING
PART 1 - GENERAL
1.01 SUMMARY:
A. Furnish labor, materials, tools and equipment to prepare, install, shape, trim and compact
subgrades to receive Portland Cement Concrete paving.
B. Furnish labor, materials, tools and equipment to form, place, reinforce, finish, joint and cure
Portland Cement Concrete roadways, parking area slabs, driveways, and sidewalks at the
locations and grades noted on the plans.
1.02 REFERENCES:
A. IDOT Standard Specifications.
1.03 QUALITY ASSURANCE:
A.
Use adequate numbers of skilled workers who are thoroughly trained and experienced in the
necessary crafts and who are completely familiar with the specified requirements and the
methods needed for proper performance of the work in this section.
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B.
Quality testing:
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1.
Compressive Strength Tests.
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2. Entrained Air.
4.
Density Tests of Base and Subgrade.
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3.
Slump.
PART 2 - PRODUCTS
2.01 MA TERIALS:
A. Except as amended in this document, the materials in this section will conform with the
following divisions and sections of the IDOT Standard Specifications:
Division 41. Construction Materials.
Sections 4101 through 4122.
B. Aggregate durability class for all Portland Cement Concrete paving shall be Class 3.
PART 3 - EXECUTION
3.01 TECHNIQUES:
A. Except as amended in this document, the work in this section will conform with the following
divisions and sections of the IDOT Standard Specifications:
Division 21. Earthwork, Subgrades and Subbases.
819OO/10.060/5ec 02520.doc
02520-1
--_..._,~----------_.__._~.__._-_.-_._-------
Section 2111. Granular Subbase.
Division 22. Base Courses.
Section 2201. Portland Cement Concrete Base.
Section 2212. Base Repair.
Section 2213. Base Widening.
Division 23. Surface Courses.
Section 2301. Portland Cement Concrete Pavement.
Section 2302. Portland Cement Concrete Pavement Widening.
Section 2310. Bonded Portland Cement Concrete Overlay. (')
Section 2316. Pavement Smoothness.' (,
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Division 25. Miscellaneous Construction.
Section 2512. Portland Cement Concrete Curb and Gutter.
Section 2515. Removal and Construction of Paved Driveways. ,
Section 2517. Concrete Header Slab. ;' ..
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Section 2529. Full Depth Finish Patches.
Section 2530. Partial Depth Finish Patches. );>
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3.02 CURING AND PROTECTION OF PA VEMENT:
A. Curing compound shall be applied immediately following finishing of the concrete, including
back of curb.
3.03 ENVIRONMENTAL REQUIREMENTS:
A. When concrete is being placed in cold weather and temperatures may be expected to drop
below 350F, the following requirements must be met for concrete less than 36 hours old:
24 Hour Temoerature Forecast
Coverino
Minimum 35-320 F
One layer plastic or burlap.
Minimum 31-250 F
One layer plastic and one layer burlap or two
layers burlap.
Below 250 F
Commercial insulating material approved by the
Engineer.
B. Concrete shall be protected from freezing temperatures until it is at least five days old.
C. Concrete damaged by cold weather shall be removed and replaced at the Contractor's
expense.
D. Maximum allowable concrete temperature shall be 900 F.
E. If concrete is placed when the temperature of the concrete could exceed 900 F, the
Contractor shall employ effective means, such as precooling of aggregates and/or mixing
water, as necessary to maintain the temperature of the concrete as it is placed below 900 F.
3.04 OPENING TO TRAFFIC:
A. Opening to traffic, including Contractor's vehicles, will not be permitted until the compressive
strength of 6" dia. x 12" cylinders is at least 3,000 lb. per square inch.
81900/1 0.060/see 02520,doe
02520-2
...._-_.._.,-~..._-~...-_...~._'~- . "'-~~"-""+- .
B. All joints in the pavement shall be cleaned and sealed prior to opening the street(s) to traffic
of any kind.
C. Opening to traffic shall not constitute final acceptance.
3.05 COMPLETION OF WORK:
A. When traffic is allowed upon the pavement, the Contractor shall begin remaining work and
clean up. All streets and sidewalks shall be finished and opened to the public as soon as
practicable.
B. Contractor shall notify the Engineer if weather conditions make it difficult to use Class M
concrete, when specified.
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81900/10.060/Sec 02520.doc
02520-3
SECTION 02524
CURB RAMPS
PART 1 - GENERAL
1.01 SUMMARY:
A. Construct sidewalk curb ramps to meet ADA specifications.
1.02 REFERENCES:
A. Americans with Disabilities Act (ADA): Accessibility Guidelines for Buildings and Facilities.
B. City of Iowa City Design Standards.
C.
Iowa DOT ADA Curb Ramp Compliance (Alterations) - (11A-4)
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D.
L.M. Scofield Company Tech - Data Bulletin A-104.10.
E.
L.M. Scofield Company Tech - Data Bulletin A-514.02.
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F.
L.M. Scofield Company Guide G-107.02.
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ASTM C309 - Liquid Membrane Forming Compounds for Curing Concrete.
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H. Anmor-Tile Cast-In-Place Tactile/Detectable Warning Surface Tile.
I. Figures section of specifications.
1.03 QUALITY ASSURANCE:
A. Use adequate number of skilled workers who are thoroughly trained and experienced in the
necessary crafts and who are completely familiar with the specified requirements and the
methods needed for proper perfonmance of curb ramp construction.
B. Slope measurements. Newly constructed curb ramps and sidewalks not meeting the slope
requirements will be, at the Engineer's discretion, removed and replaced at the Contractor's
expense.
1.04 SUBMITTALS:
A. Comply with Section 01310.
B. Comply with Section 02520.
1.05 DELIVERY, STORAGE AND HANDLING:
A. Deliver material in unopened containers with labeis identifying contents attached.
B. Powdered materials shall be kept dry and under cover. Protect liquid material from freezing.
Expired materials shall not be used.
1.06 PROJECT CONDITIONS:
A. Comply with ACI requirements for cold and hot-weather concrete work.
81900/10.060/5ec 02524.doc
02524-1
-----_._-_.~---_._".__.._--~-_._._-'-----
B.
Pre-Installation Meeting
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PART 2 - PRODUCTS
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2.01 MA TERIALS:
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A.
Concrete: Reference Section 2520.
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B. Water: Fresh, clean and potable.
C. Stamped Truncated Domes
1. Colored Hardener:
a. Lithochrome Color Hardner by L.M. Scofield Company.
b. Color: Tile Red (A-28).
c. An integral coloring agent may be submitted for approval as an alternative
to topical coloring agents.
2. Bonding Agent: Product known to enhance adhesion to concrete.
3. Curing Compound:
a. Lithochrome Colorwax by L.M. Scofield Company.
b. Color: Tile Red (A-28).
4. Truncated dome stamp for curb ramps shall be Cobblecrete ADA concrete texturing
tool or Increte ADA Tactile Detectable Warning System stamping tool or approved
equal.
D. Cast-In-Place Tactile/Detectable Warning Surface Tile
1 . Color: Brick Red Color shall be homogeneous throughout the tile.
2.
Dimensions:
Length and Width:
Depth:
Face Thickness:
Warpage of Edge:
24" x 48" nominal or width of sidewalk
1.400" +/- 5% max.
0.1875 +/- 5% max.
+/- 0.5% max.
3. Vitrified Polymer Composite cast-in-place tiles shall be Armor-Tile Cast-in-Place
Tactile/Detectable Waming Surface Tiles or approved equal.
E. Prefabricated tiles or pavers may be submitted for approval as an alternative to stamped
concrete.
PART 3 - EXECUTION
3.01 TECHNIQUES:
A. Except as amended in this document, the work in this section will conform with the Iowa
DOT ADA Curb Ramp Compliance (Alterations) - (11A-4) and the following sections of the
Americans with Disabilities Act (ADA) 0 Accessibility Guidelines for Buildings and Facilities.
81900/1 0.060/Sec 02524.doc
02524-2
~----_..-._--_._._--_._--_..._----,_....,-------_. _.__._-------_._...~-~-,..__..-_.._-----+-~._'-'--_.~-_...
Section 4.
Accessible Elements and Spaces: Scope and Technical Re-
quirements
Section 14.
Public Rights-of-Way
3.02 SLOPES:
A. Cross slope refers to the slope that is perpendicular to the direction of travel. Running slope
refers to the slope that is parallel to the direction of travel.
B. Curb ramp cross slopes should be no greater than 1 :48 or 2% to a level plane.
C. Curb ramp running slopes should be no greater than 1: 12 or 8.33% to a level plane unless
existing conditions do not permit and layout is approved by the Engineer. Curb ramp
running slope should be no less that 1 :48 or 2.08% to a level plane.
3.03 PORTLAND CEMENT CONCRETE THICKNESS:
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A.
6-inch thick P.C.C. will be placed at all curb ramps unless
Engineer.
otherwise "dir~cted :bY the' .c
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B. 4-inch thick P.C.C. will begin 4 feet off back of curb adjacent to the 6-inch"p.C.C. s~~tion.>
unless otherwise specified by the Engineer. :'; " . ;;'
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3.04 WIDTHS:
A. Curb ramps widths will be 4 feet unless otherwise necessary to match existing sidewalk for
continuity. The minimum allowable width for curb ramps is 3 feet. Four-foot or matching
widths are clear widths and do not include the flared sides or curved sides of a curb ramp.
All proposed curb ramp widths other than 4 feet wide need approval by the Engineer.
3.05 CURB RAMPS GEOMETRICS:
A. Different curb ramp types are shown in the plans. This project may include these or other
curb ramp types not shown. Existing site conditions may require that alterations be made to
proposed curb ramp design in order to provide a "best-fif'. Quantity changes due to these
alterations will be paid for per the unit price quoted on the Fonm of Proposal.
B. The 6-inch curb bordering the curb ramp is considered part of the curb ramp and is
accounted for in the Form of Proposal estimated quantities.
3.06 TEXTURED SURFACE:
A. All sidewalk curb ramps designated by the Engineer or plan drawings shall be constructed
with truncated domes conforming to ADA specifications.
B. Detectable warning surfaces shall extend 24 inches in the direction of travel and the full
width of the curb ramp.
C. Detectable warning surfaces should be located so that the edge nearest the street is 6
inches minimum and 8 inches maximum from the curb line.
3.07 INSPECTION:
A. Verify that subgrade is installed according to specifications and is free of conditions that
could be detrimental to performance of colored concrete.
81900/10.060/5ec 02524.doc
02524-3
3.08 COLORING:
A. Concrete color finish will only be placed on the 6-inch thick first panel (approximately 24" x
48"or width of sidewalk) or as specified by the Engineer.
3.09 LOCA TlONS:
A. Curb ramps are to be located directly across a street, alley or driveway from another existing
or proposed curb ramp or sidewalk unless existing site conditions prevent this or are
otherwise specified by the Engineer.
3.10 INSTALLATION:
A. Concrete: Place and screed to required elevations as specified in Section 02520.
B. Apply truncated domes per manufacturer's specifications.
C. Protect concrete from premature drying, excessive hot or cold temperature and damage.
D. Curing Compound: Apply per manufacturer's guide for rate and method.
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81900/10.060/80c 02524.doc
02524-4
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SECTION 02700
SEWERS
PART 1 - GENERAL
1.01 SUMMARY:
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A. Construction of piping and structures for the collection and transmission ofW8stew8ter ancl.
storm water. '~:. /'. -- :'1
1.02 REFERENCES:
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A.
Reinforced Concrete Pipe - For Sanitary and Storm Sewers
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1. ASTM C76, latest edition, Standard Specification for Reinforced Concrete Culvert,
Storm Drain and Sewer Pipe.
2. ASTM C443, latest edition, Standard Specification for Joints for Circular Concrete
Culvert and Sewer Pipe, Using Rubber Gaskets.
3. ASTM C361, latest edition, Standard Specification for Reinforced Concrete Low-
Head Pressure Pipe.
B. Reinforced Concrete Arch Pipe - For Storm Sewers
1. ASTM C506, latest edition, Specification for Reinforced Concrete Arch Culvert,
Storm Drain and Sewer Pipe.
C. Vitrified Clay Pipe
1. ASTM C700, latest edition, Standard Specification for Vitrified-Clay Pipe, Extra
Strength, Standard Strength, and Perforated.
2. ASTM C425, latest edition, Standard Specification for Compression Joints for
Vitrified-Clay Pipe and Fittings.
D. Ductile Iron Pipe
1. ANSI/AWWA-A21.5/C151, latest edition, Ductile-Iron Pipe, Centrifugally Cast in
Metal Molds or Sand-Lined Molds, for Water or Other Liquids.
2. ANSI/AWWA- A21.50/C150, latest edition, Thickness Design of Ductile-Iron Pipe.
3. ANSI/AWWA-A21.53/C153, latest edition, Ductile-Iron Compact Fittings, 3 in.
through 16 in., for Water and Other Liquids.
4. ANSI/AWWA-A21.11/C111, latest edition, Rubber-Gasket Joints for Ductile-Iron
Pipe and Gray-Iron Pressure Pipe and Fittings.
5. ANSI/AWWA-A21.4/C104, latest edition, Cement-Mortar Lining for Ductile-Iron
Pipe and Fittings for Water.
E. Poly Vinyl Chloride (PVC) Pipe - For Sanitary Sewer Service Lines
1. ASTM D1784, latest edition, Specification for Rigid Poly (Vinyl Chloride) (PVC)
Compounds and Chlorinated Poly(Vinyl Chloride) (CPVC) Compounds
81900/10.060/50c 02700.doc 02700-1
----_._.__._",._,,--_._~-"--,-~~._------
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2. ASTM 02321, latest edition, Recommended Practice for Underground Installation
of Flexible Thermoplastic Sewer Pipe.
3. ASTM 02729, latest edition, PVC Sewer Pipe and Fillings
4. ASTM 03034, latest edition, Standard Specification for Type PSM Poly(Vinyl
Chloride) (PVC) Sewer Pipe and Fittings
5. ASTM 03212, latest edition, Specification for Joints for Drain and Sewer Plastic
Pipes Using Flexible Eiastomeric Seals
F. PVC Truss Pipe - For Sanitary Sewers
1. ASTM 01784, latest edition, Specification for Rigid Poly (Vinyl Chloride) (PVC)
Compounds and Chlorinated Poly(Vinyl Chloride) (CPVC) Compounds
2. ASTM 02321, latest edition, Recommended Practiice for Underground Installation
of Flexible Thermoplastic Sewer Pipe.
3. ASTM 02680, latest edition, Standard Specification for Acrylonitrile-Butadiene-
Styrene (ABS) and Poly(Vinyl Chloride) (PVC) Composite Sewer Pi~ ,.,
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4. ASTM F477, latest edition, Specification for Elastomeric Seals (Gas&el$) for
Joining Plastic Pipe
G. Manholes
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1. ASTM C478, latest edition, Standard Specification for Precast Reinf~ConRjlte '. j
Manhole Sections. 5> (.~
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H. Intake Structures
1. lOOT Standard Specifications.
2. Iowa Department of Transportation Highway Division "Standard Road Plans
Manual", latest edition.
1.03 QUALITY ASSURANCE:
A. All products will meet or exceed the minimum standards specified in the applicable
references listed in the previous subsection.
B. All suppliers of reinforced concrete pipe and manholes must be certified by the Iowa
Department of Transportation.
C. Reinforced concrete pipe shall be manufactured by such means to minimize cage twist.
Pipe displaying cage twist in excess of 30 de{lrees, as demonstrated by the form seam, will
be rejected.
D. Details of gasket installation and joint assembly are subject to acceptance by the Engineer.
E. All materials judged to be of poor quality will be marked by the Engineer and promptly
removed from the site by the Contractor and replaced with new.
F. All pipe must pass the leakage tests specified in Part 3 of this section.
1.04 SUBMITTALS:
A. Concrete Pipe: Submit current Iowa Department of Transportation certification.
81900/10.060/80c 02700.doc
02700-2
...~_..,----~~-'_._.
B. Vitrified-Clay Pipe: Submit shop drawings of gasket installation and joint assembly.
C. Shoring: Submit plans for all shoring, excluding trench boxes, certified by a professional
engineer registered in the State of Iowa. This submittal will not be reviewed for structural
adequacy by the City.
PART 2 - PRODUCTS
2.01 MA TERIALS:
A. Reinforced Concrete Pipe - For Sanitary and Storm Sewers
1.
Joints: All joints wili be confined O-ring gasket meeting ASTM C443 or ASTM
C361, as specified. All pipe 36-inch diameter and smaller will have bell and spigot
joints. Pipe larger than 36-inch diameter may have tongue and groove joints.
2.
Wall Thickness: Minimum wall thickness wili be B-wall as defined in ASTM C76 or
Class C25 as defined in ASTM C361.
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Pipe Strength: Pipe strength shall be as specified on the plans. If ~ ~ecif(Elq, the
minimum pipe strength shall be Class III as defined in ASTM C76ar ..as defined in
ASTM C361. ." " .. " "n
3.
4.
Pipe Markings: All pipe shall be marked with the date of manufiic!ure anOASTM...
class. If quadrant reinforcement is used, the top shall be marked.oJ1Jhe oglside b~ i
the pipe. .' .. . "J
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Lift holes are not allowed.
6.
Minimum Bedding - Type B per ASTM C 12 with compacted granular material to
the springline of the pipe.
B. Reinforced Concrete Pipe - For Storm Sewers
1. Joints
a. Circular pipe: All joints wili be confined O-ring or profile gasket meeting
ASTM C443. All pipe 36-inch diameter and smaller wili have bell and
spigot joints. Pipe larger than 36-inch diameter may have tongue and
groove joints.
b. Arch pipe: All joints wili be sealed with mastic butyl rubber-based sealant
meeting the requirements of AASHTO M198-75, Type "B". Wrap exterior
of each joint with engineering fabric.
2. Wall Thickness
a. Circular pipe: Minimum wall thickness wili be B-wall as defined in
ASTM C76.
b. Arch pipe: Minimum wall thickness as defined for in ASTM C506.
3. Pipe Strength
a.
Circular pipe: Pipe strength shall be as specified on the plans. If not
specified, the minimum pipe strength shall be Class III as defined in ASTM
C76.
81900/10.060/6ec 02700.doc
02700-3
b. Arch pipe: Pipe strength shall be as specified on the plans. If not
specified, the minimum pipe strength shall be Class III A as defined in
ASTM C506.
4. Pipe Markings: All pipe shall be marked with the date of manufacture and ASTM
class. If quadrant reinforcement is used, the top shall be marked on the outside of
the pipe.
5. Lift holes are not allowed.
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6. Minim~m Bedding - Type B per ASTM C 12 with compacted gr~lar ma~~al to
the spnngllne of the pipe. :;'c.: C. -....
Vitrified Clay Pipe
1. Joints: Shop drawing of gasket installation and joint assembly, subject to approval' 'I
of the Engineer. ' .
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All pipe shall be "extra strength" as defined by ASTM C700.
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3. Minimum Bedding - Type B per ASTM C12 with compacted granular material to
the springline of the pipe.
D. Ductile Iron Pipe
1. Joints: Use push on joints unless otherwise specified on the plans.
2. Thickness: Unless otherwise indicated or specified, use Class 52.
3. Lining and Coating:
a. Inside of pipe and fittings: Double thickness cement lining and bituminous
seal coat conforming to ANSI A21.4.
b. Outside of pipe and fittings: Standard bituminous coating conforming to
appropriate ANSI.
4. Minimum Bedding - Type 5 per ANSIIAWWA C150/A21.50 with compacted
granular material to the springline of the pipe.
E. PVC Truss Pipe - For Sanitary Sewers
1. All PVC truss pipe shall be made of PVC compound having a minimum cell
classification of 12454 as defined in ASTM D1784.
2. Joints: Gaskets shall comply with all requirements in ASTM F477 and F913. Joint
shall meet the requirements of ASTM D 2680 and ASTM D3212.
3. Pipe shall have a minimum pipe stiffness of 200 psi at 5% deflection.
4. Minimum Bedding - Crushed stone encasement to the top of the pipe. The
minimum bedding depth shall be as specified on the plans. If not specified, the
minimum bedding depth shall be 4" below the pipe.
F. Poiy Vinyl Chloride (PVC) Pipe - For Sanitary Sewer Service Lines
1. All PVC pipe shall be manufactured in accordance with ASTM D3034.
2. Joints: ASTM D3212 gasketed.
81900/10.060/Soc 02700.doc 027004
3. All 4" and 6" services shall be SD~ 23.5.
4. Minimum Bedding - Crushed stone encasement to 6" above pipe. The minimum
bedding depth shall be as specified on the plans. If not specified, the minimum
bedding depth shall be 4" below the pipe.
G. Corrugated Plastic Pipe for Subsurface Drainage
1. Corrugated PVC with a smooth interior wall shall meet the standards of ASTM
F949 and be constructed of resins meeting the requirements of ASTM 01784, cell
class 124546.
2. Corrugated HOPE with a smooth interior wall shall meet the standards of AASHTO
M-252 and M-294.
3. Minimum Bedding - Drainable stone encasement to 6" above pipe.
H. Manholes
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1. Joints: All joints will be confined a-ring or profile gasket meeting AST~.:a<<3. c..;
2.
No lift holes through the entire wall.
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Mark date of manufacture.
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4.
Inverts: Precast and cast-in-place inverts must provide a channel aH.eas't or1ll:'half
the depth of the pipe and match the full cross-sectional area of"the pillB1 All
junctions and changes in directions of inverts shall be smooth and rounded 'lei the
maximum extent possible to supplement flow through the manholes.
5. All manholes are 4-foot diameter unless noted otherwise.
6. Manhole frame and lid to be Neenah R-1670, self-sealing, East Jordan 1117,
self-sealing or approved equal. If in paved area, casting shall also be non-rocking.
7. Manholes in paving shall have an interior Cretex chimney seal (or approved equal)
that spans from the casting to the cone section.
I. Bedding:
1. Granular bedding material shall consist of porous backfill material, lOOT Standard
Specification Section 4131 and Section 4109, Gradation No. 29.
PART 3 - EXECUTION
3.01 INSTALLATION OF PIPE:
A. Inspect before installation. Remove and replace defective sections.
B. Alignment and Grade
1. Install to line and grade indicated on plans using laser and check elevation as
required to maintain grade.
2. Driving down to grade by striking or with excessive force from excavating
equipment is not allowed.
61900/10.060/Sec 02700.doc 02700-5
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3. Blocking the pipe to grade with wood, stones or other materials is not allowed.
C. Bedding
1. Support on compacted granular bedding material using the type of bedding
specified on the plans. If no bedding is specified, use the minimum bedding
specified in Part 2 of these specifications.
2. Place bedding material to ensure that there are no voids under or alongside the
length of the pipe. Slice with shovel to remove voids. Compact with pneumatic
equipment.
3. Hand shape bell holes so that only pipe barrel receives bearing pressure.
D. Connections
1. A-LOK shall be used for all sanitary sewer connections to manholes unless
approved by the Engineer.
2. Subdrains shall be connected to storm sewer intakes and manholes using lOOT
standard intake outlet detail RF-19C. CMP outlet shall be used unless approved
by the Engineer.
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E.
Jointing
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1. Clean and lubricate all joints prior to assembly.
2.
Join per manufacturer's recommendations.
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3.
Suitable couplings shall be used for jointing dissimilar materials.
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Backfill as specified in Section 02220.
G. Clean pipeline upon completion.
H. Tolerances
1. Any deviation in a sewer pipes section more than 1/8 inch per foot of pipe diameter
from the horizontal or vertical alignment, as established by the Engineer, will not be
allowed; and all sewer laid incorrectly, as detenmined by the Engineer, must be relaid at
the Contractor's expense. This tolerance in grade will be allowed only if the sewer is
designed at a slope sufficient to prevent backfall when its limits are reached. Under no
condition will a sewer be accepted when one or more pipe lengths have been installed
without "fall".
2. The completed sewer must be laid so nearly in a perfect line that an ordinary electric
lantern held at center of the sewer at a manhole may be wholly visible to the eye at the
level of the sewer at the next manhole.
3. Sags and reverse slope on gravity pipe is prohibited. Remove and relay pipe to proper
grade.
3.02 TESTING OF PIPE:
A. Lamp all pipe to visually inspect for defects and debris.
B. Leakage Tests: Perform leakage tests on all sanitary sewers as follows:
81900/10.060/Sec 02700.doc
02700-6
-.---~-~..~_._-_.."-~_.._--~----_.__.._'--_._------_.-',--
1. Perform after completion of backfill.
2. Perform after groundwater has returned to normal level.
3. Furnish test plugs, water pumps, appurtenances, and labor. Install bulkheads for
testing and weirs for measurement as necessary. Groundwater elevation from
observation wells or excavations are subject to acceptance by the Engineer.
a. If groundwater is more than two foot above top of pipe at upper end.
conduct infiltration or low-pressure air tests. If maximum pressure exerted
by groundwater is greater than 4 psig, conduct infiltration test.
b. If groundwater is less than two foot above top of pipe at upper end,
conduct exfiltration or low-pressure air tests.
c. If pipe is larger than 27-inch, air test is not allowed.
4. Exfiltration or infiltration test performed on sections of approved length (maximum
Y,-mile for sewers) and before connection to buildings. Low-p(~$sure air : tests
performed on manhole-to-manhole sections of pipeline. ." ~:' "
5. Low-pressure air test:
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Equipment
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Provide air regulator or safety valve so air pressure db@s
exceed 8 psig.
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(3) All air through single control panel.
b. Procedure
(1) Perform from manhole-to-manhole after backfill.
(2) Place pneumatic plugs: (a) sealing length: equal to or greater than
pipe diameter, (b) capable of resisting internal test pressure
without ex1emal bracing or blocking.
(3) Introduce low-pressure air into sealed line and achieve internal air
pressure 4 psig greater than maximum pressure exerted by
groundwater above pipe invert.
(4) Limit internal pressure in sealed line below 8 psig.
(5) Allow two minutes minimum for air pressure to stabilize.
Disconnect low-pressure air hose from control panel.
(6) Acceptable Test Result:
(a)
Minimum time for pressure to drop from 3.5 to 2.5 psig
greater than maximum pressure exerted by ground water
above pipe invert.
81900/10.060/88C 02700.doc
02700-7
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Pipe diameter Time in
in inches Minutes. _
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4 2,0'.
6 3.0 --"'l
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8 4.0
10 5.0 j
12 5.5 -,-,
15 7.5 "
18 8.5 :~~ -' " N
21 10.0 p- o,
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24 11.5
27 13.0
(b) Minimum allowable time for sewers with more than one
size of pipe: based on largest diameter reduced by 0.5
min.
(c) If groundwater level at time of testing is above the sewer,
air pressure shall be increased 0.43 psig for each foot the
groundwater is above the flow line of the pipe.
c. If pressure drop exceeds 1.0 psig during the test period, the test shall be
considered to have failed. Locate and repair leaks and retest as required.
6. Infiltration Test
a. Dewater and conduct test for at least 24 hours.
b. Locate and repair leaks, and retest as required.
c. Allowable infiltration, including manholes, fittings, and connections:
maximum 200 gallons per inch diameter per mile per 24 hours.
7. Exfiltration Test
81900/10.060/50c 02700.doc
a.
Subject sewers to intemal pressure by: (1) plugging the inlet of the
upstream and downstream manholes, (2) filling sewer and upstream
manhole with clean water until the water elevation in the manhole is two
feet above top of sewer, or two feet above the existing ground water in the
trench, whichever is the higher elevation.
b.
Use suitable ties, braces, and wedges to secure stoppers against leakage
from test pressure, where conditions between manholes may result in test
pressure causing leakage.
c.
Rate of leakage from sewer: Determined by the amount of water required
to maintain the initial water elevation for one hour from the start of the test.
d.
Allowable exfiltration same as allowable infiltration. If the average head
above the section being tested exceeds two feet above top of pipe, then
the allowable exfiltration can be increased by 5% for each additional foot of
head.
e.
Modification to this test only as approved by the Engineer.
f.
Locate and repair leaks and retest as required.
02700-8
.~"-~~------~-
C. Deflection Tests: Perform deflection tests on ali PVC truss sewers as foliows:
1. The mandrel (go/no-go) device shali be cylindrical in shape and constructed with
nine (9) evenly spaced arms or prongs. The mandrel dimension shall be 95% of
the flexible pipe's published ASTM average inside diameter. Allowances for pipe
wali thickness or ovality (from shipment, heat, shipping loads, poor production, etc.)
shali not be deducted from the ASTM average inside diameter, but shall be
counted as part of the 5% aliowance. The contact length of the mandrel's arms
shali equal or exceed the nominal diameter of the sewer to be inspected. Critical
mandrel dimensions shali carry a toierance of :I: .001". Proving rings shali be
available.
2. The mandrel inspection shali be conducted no earlier than 30 days after reaching
final trench backfili grade provided, in the opinion of the Engineer, sufficient water
densification or rainfali has occurred to thoroughly settle the soil throughout the
entire trench depth. Short-term (tested 30 days after instaliation) deflection shali
not exceed 5% of the pipe's average inside diameter. The mandrel shali be hand
pulled by the Contractor through ali sewer lines. Any sections of the sewer not
passing the mandrel test shali be uncovered and the Contractor shali replace and
recompact the embedment backfili material to the satisfaction of the Engineer.
These repaired sections shali be retested with the go/no-go mandrel until passing.
3. The Engineer shali be responsible for approving the mandrel. Proving rings may be
used to assist in this. Drawings of the mandrel with complete dimensioning shali be
furnished by the Contractor to the Engineer for each diameter and type of flexible
pipe.
3.03 CONSTRUCTION AND INSTALLATION OF MANHOLES, MANHOLE BOXES AND INTAKE
STRUCTURES:
A. Set bases true to line and elevation on minimum six-inch granular backfill material.
B. Instali O-ring or profile gasket in joints between sections conforming to manufacturer's
standard.
C. Cast in place inverts must provide a channel at least one-half the depth of the pipe and
match the fuli cross-sectional area of the pipe. AIi junctions and changes in direction shali
be smooth and rounded to the maximum extent possible to supplement flow through the
structure.
D. Plug holes for handling with mortar.
E. Lay grading rings in fuli bed and joint of mortar without subsequent grouting, flushing or
filling; bond thoroughly.
F. Set frames with top conforming to finished ground or pavement surface as indicated and
directed. Grading rings plus the frame height shali not exceed 24 inches.
G. Set frames in fuli bed of RAM-NEK or equal to fili and make watertight space between {~'"
masonry top and bottom flange of frame. . ","".J
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H. Backfili as specified in Section 02220.
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Clean manhole upon completion. .j;}'" "'>
Inspect for visible leaks after groundwater has returned to normal level. Repair leaks. ~,\."
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81900/10.060/8ec OZ700.doc
02700.9
3.04 MAINTENANCE OF FLOW:
A. Storm Sewers: At the end of each working day, the Contractor shall reestablish the full
capacity of any drainage system affected by construction. Diversion of storm water into the
sanitary sewer system is not allowed.
B. Sanitary Sewers: The Contractor shall at all times maintain full capacity in the sanitary
sewer system and protect the system from storm water.
C. If pumps are used for the diversion of flow, the Contractor shall have a stand-by pump
readily at hand. The Contractor shall provide the Police Department and the SupeNisor of
the Iowa City Wastewater Treatment Piant with phone numbers where il!le respllhSible
person may be reached 24 hours a day to make immediate repairs and/o[iep111cement in
case of diversion system failure. Diversion of sanitary sewage to storm sewers OF---
waterways is not allowed. . , ;
3.05 CONFLICTS
,)
A.
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Provide temporary support for' existing water, gas, telephone, power or :6ltfet utifl\.il!s or
services that cross the trench. P ( '"
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B. Compact backfill under the existing utility crossing as specified in Section 02200.
C. Separate gravity sewers from water mains by horizontal distance of at least 10 feet unless:
1. Top of sewer is at least 18 inches below the bottom of the water main.
2. Sewer is placed in separate trench or in same trench on bench of undisturbed earth
with at least three feet separation form the water main.
D. Use water main materials for gravity sewers with less than 10 feet of horizontal distance
and top of the sewer less than 18 inches below the bottom of the water main; maintain a
linear separation of at least two feet.
E. Where gravity sewer crosses over water main or service or where the top of sewer is less
than 18 inches below the bottom of the water main or service, the following requirements
shall apply:
1. The sewer may not be placed closer than 6 inches below a water main or 18 inches
above a water main. The separation distance shall be the maximum feasible in all
cases.
2. Use 20-foot length of water main material as specified for gravity sewer centered on
the water main. Both joints shall be located as far from the water main as possible.
3. The sewer and the water main must be adequately supported and have watertight
joints.
4. Backfill trench with low permeability soil for the 20-foot length centered on the crossing.
F. Sanitary sewer force mains and water mains shall be separated by a horizontal distance of
at least 10 feet unless:
1. The force main is constructed of water main material meeting a minimum pressure
rating of 200 psi.
2. The force main is laid at least four linear feet from the water main.
81900/10.060/5ec 02700.doc
02700-10
SECTION 02891
VIDEO TRAFFIC DETECTION
PART 1 - GENERAL
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1.01 SUMMARY:
A.
Installation of video equipment for video detection at intersections.
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REFERENCES:
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A. Manufacturer's Manual and Specifications
1.04 STORAGE:
A. Prior to use, video detection equipment shall be stored in a clean dry place, not subject to
extremes of either hot or cold, and with the manufacturer's protective cover in place.
PART 2 - PRODUCTS
2.01 MA TERIALS:
A. Video Traffic Detection System
1. The video detection system shall consist of one to six video cameras, isolation
amplifiers for video cabling, an automatic control unit (ACU) and a pointing
device.
2. The system shall include software that detects vehicles in multiple lanes using
only the video image. Detection zones shall be defined using only a video menu
and a pointing device to place the zones on a vide image. Up to 144 detection
zones shall be available.
3. The ACU shall process video from up to 6 video sources simultaneously. The
sources can be video cameras or video tape players. The video shall be input to
the ACU in RS170 format and shall be digitized and analyzed in real time.
4. The ACU shall detect the presence of vehicles in up to 24 detection zones per
camera. A detection zone shall be approximately the width and length of one car.
5. Detector zones shall be programmed via a menu displayed on a user supplied
video monitor and a pointing device connected to the ACU. The menu shall
facilitate placement of the detection zones. A separate computer shall not be
required for programming detection zones.
6. The ACU shall store up to three different detector zone patterns. The ACU can
switch to anyone of the three different detector patterns within 1 second of user
request via menu selection with the pointing device.
7. As an option, programming the system shall be available with the computer.
Using a RS-232 communication link, the following capabilities shall be available
as a minimum:
81900/10.060/See 02891.doc
02891-1
a. Continuous or single video snapshots. The user shall be flple to
select both the resolution and quality of the image. (j~,
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b.
Remote detection zone setup.
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c.
Detector File upload/download
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Ability to store the snapshot image.
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Security Protection to Prevent UnauthoriZed Remote AccElSs.
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8. The ACU shall detect vehicles in real time as they travel across each detector
zone.
9. The ACU shall have an RS-232 port for communications with an external
computer.
10. The ACU shall accept new detector patterns from an external computer through
the RS-232 port when that computer uses the correct communications protocol
for downloading detector patterns.
II. The ACU shall send its detector patterns to an external computer through the RS-
232 port when requested when that computer uses the correct communications
protocol for uploading detector patterns.
12. Up to 144 detection zones shall be supported and each detection zone can be
sized to suit the site and the desired vehicle detection region.
13. Detection zones may be ANDed or ORed together to indicate vehicle presence
on a single detector output channel.
14. Placement of detection zones shall be done by using only a pointing device, and a
graphical interface built into the ACU and displayed on a video monitor, to draw
the detection zones on the video image from each video camera.
15. Up to 3 detection zones patterns shall be saved for each camera within the ACU
memory and this memory shall prevent loss during power outages.
16. The seiection of the detection zone pattern for current use shall be done through
a menu. It shall be possible to activate a detection zone pattern from ACU
memory and have that detection zone pattern available within 1 second of
activation.
17. When a vehicle is detected crossing a detection zone, the detection zone will
~ash a symbol on the video overlay display to confirm the detection of the vehicle.
18. Detection shall be at least 99% accurate in good weather conditions, with slight
degradation possible under adverse weather conditions (eg. rain, snow, or fog)
which reduce visibility. Detection accuracy is dependent upon camera
placement, camera quality and detection zone location, and these accuracy levels
do not include allowances for occlusion or poor video due to camera location or
quality.
81900/10.060/Soc 02891 .doc 02891-2
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19. The ACU shall provide 32 channels of detection through either a NEMA TS1 port
or a NEMA TS2 port.
20. The ACU shall provide dynamic zone reconfiguration (DZR) to enable normal
director operation of existing zones except the one being added or modified
during the setup process. The ACU shall output a constant call on any detection
channel corresponding to a zone being modified.
21. Detection zones shall be directional to reduce false detections from objects
traveling in directions other than the desired direction of travel in the detection
area.
22.
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Detection zone setup shall not require site specific information~'~ as ~itude
and longitude to be entered into the system. .
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23.
Detection zone setup shall not require temporal information ~Uch as date ana'
time.
24.
The ACU shall process the video input from each
second.
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25. The ACU shall output a constant call for each enabled detector output channel if
a loss of video signal occurs. The ACU shall output a constant call during the
background learning period.
26. The ACU shall be housed in a durable metal enclosure suitable for shelf
mounting or 19" rack mounting in a roadside traffic equipment cabinet. The ACU
enclosure shall not exceed 7" height, 17.75" width, and 11.5" depth.
27. The ACU shall operate satisfactorily in a temperate range from -34 C to +74 C
and a humidity range from O%RH to 95%RH, non-condensing as set forth in
NEMA specifications.
28. The ACU shall be powered by 120 VAC 60 Hz single-phase power. Surge ratings
shall be as set forth in NEMA specifications. Power consumption shall not
exceed 135 watts.
29. The ACU shall include an RS-232 port or serial communications with a remote
computer. This port shall be a 9 pin female 'D" subminiature connector on the
front of the ACU.
30. The ACU shall include a port for transmitting TS1 and TS2 detections to a traffic
controller. The TS1 port shall be a 37 pin female 'D" connector on the front of the
ACU. The TS2 port shall be a 15 pin female 'D" connector on the front of the
ACU.
31. The front of the ACU shall include up to six BNC video input connections s'uitable
for RS-170 video inputs. Each video input shall include a switch selectable 75
ohm or high impedance termination to allow camera video to be routed to other
devices, as well as input to the ACU for vehicle detection.
32. The front of the ACU shall include one BNC video output. Anyone of the six
video inputs shall be switch selectable for output on this BNC connection via the
pointing device at the ACU, or through software and a personal computer
connected through the RS-232 port via a full duplex modem link.
81900/10.060/60c 02891.doc 02891-3
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33. The video inputs to the ACU shall include transient voltage suppression and
isolation. Amplification that shall assure the 1 volt peak to peak video signal
integrity is maintained despite vide cabling losses and externally induced
transients. The amplifier shall have a minimum common mode rejection aUlO Hz
of 90 dB. C2 '-, ,
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34.
The ACU enclosure shall be bonded to a good earth ground.
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35. The front face of the ACU shall contain indications to enable thei.lserto view real..,
time detections for up to 8 detector output channels at a time. '. _' ,. "
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36. The video cameras used for traffic detection shall be furnis~ by t~~ ACU
supplier and shall be qualified by the supplier to ensure proper video detection
system operation.
37. The camera shall produce a useable video image of the bodies of vehicles under
all roadway lighting conditions, regardless of time of day. The minimum range of
scene luminance over which the camera shall produce a useable video image
shall be the minimum range from night time to day time, but not less than the
range 0.1 lux to 10,000 lux.
38. The camera shall use a CCD sensing element and shall output monochrome
video with resolution of not less than 350 lines vertical and 500 lines horizontal.
39. The camera shall include auto-iris control based upon average scene luminance
and shall be equipped with an auto-iris lens.
40. The camera shall include a variable focallengtr lens with variable focus that can
be adjusted, without opening up the camera hoosing, to suit the site geometry.
41. The camera electronics shall include AGC to produce a satisfactory image at
night.
42. The camera shall be housed in an environmentally sealed enclosure pressurized
with dry gas to minimize the formation of condensate and extend the life of the
camera and lens. The housing shall be field ~otatable to allow proper alignment
between the camera and the traveled road surface.
43. The camera enclosure shall be equipped with a sun shield. The sunshield shall
include a provision for water diversion to prevent water from flowing in the
cameras field of view. The camera enclosure with sun shield shall be less than 6"
diameter, less than 26" long, and shall weigh less than 12 pounds when the
camera and lens are mounted inside the enclosure.
44, The camera enclosure shall include a thermostatically controlled heater to assure
proper operation of the lens iris at low temperatures and prevent moisture
condensation on the optical faceplate of the eniclosure.
45. When mounted outdoors in the enclosure, the camera shall operate satisfactorily
in a temperate range from -34/C to +55/C and a humidity range from 0% RH to
100% RH. .
46. The camera shall be powered by 120 VAC 60 Hz. Power consumption shall be
less than 40 watts under all conditions.
81900110.060/50c 02891.doc 02891-4
47. The camera enclosure shall be equipped with separate, weather-tight
connections for power and video cables at the rear of the enclosure to allow
diagnostic testing and viewing of video at the camera while the camera is
installed on a mast arm or pole. Video power shall not be connected with the
same connector.
48. The video signal output by the camera shall be in RS-170 format.
49. The video signal shall be fully isolated from the camera enclosure and power
cabling.
50. The coaxial cable to use between the camera and the cabinet shall be a 75 ohm,
precision video cable with 20 gauge solid bare copper conductor (g.g ohms/M),
solid polyethylene insulating dielectric, 98% (min) tinned copper double-braided
shield and black poiyethylene outer covering. The signal attenuation shall not
exceed 0.78 dB per 100 feet at 10 MHZ. N9minal outside diameter is 0.304
inches. This cable shall be suitable for installation in conduit or overhead with
appropriate span wire. 75 ohm BNC plug connectors should be used at both the
Camera and Cabinet ends. The coaxial cable,. BNC connector and crimping tool
shall be approved by the supplier of the video detection system and the
manufacturer's instructions must be followed to .ensure proper connection.
51. The power cabling shall be 16 AWG three conductor cable. The cabling shall
comply with the National Electric Code, as well as local electrical codes.
PART 3 - EXECUTION
3.01 TECHNIQUES:
A. Video detection shall be installed as per manufacturer specification.
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81900/10.060/50c 02891.doc
02891-5
PART 1 - GENERAL
SECTION 02900 ' ~
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1.01 SUMMARY:
A Plantings (trees, shrubs, seed and sod), including soil preparation, finish grading, landscape
accessories and maintenance.
1.02 QUALITY ASSURANCE:
A The fitness of all plantings shall be determined by the Engineer and/or the City Forester with
the following requirements:
1. Nomenclature: Scientific and common names shall be in conformity with U.SDA
listings and those of established nursery supplies,
2. Standards: All trees must conform to the standards established by the American
Association of Nurserymen.
B. The Contractor shall repair or replace all plantings which, in the judgment of the Engineer
and/or City Forester, have not survived and grown in a satisfactory manner for a period of
one year after City Council acceptance of the project
1.03 SUBMITTALS:
A. Certify that all plantings are free of disease and insect pests. Certificates shall be submitted
to the Engineer and/or City Forester.
B. Submit certification of seed mixtures, purity, germinating value, and crop year identification
to the Engineer.
1.04 DELIVERY, STORAGE AND HANDLING:
A. Protect all plantings in transit to site to prevent wind burning of foliage.
B. Set all balled and burlapped trees and shrubs, which cannot be planted immediately, on
ground and protect with soil, wet peat moss or other acceptable material, and water as
required by weather conditions.
C. Keep container grown trees and shrubs, which cannot be planted immediately, moist by
adequate watering. Water before planting.
PART 2. - PRODUCTS
2.01 TREES AND SHRUBS:
A. Trees and shrubs shall be vigorous, healthy, well-formed, with dense, fibrous and large root
systems and free of insect or mechanical damage.
B. All trees and shrubs, except those specified as container grown, shall be balled in burlap
with root ball formed of firm earth from original and undisturbed soil. At a minimum, 80% of
all piantable containers shall be removed during planting.
81900/10.060/50c 02900.doc
02900-1
C. All trees shall display the following form and branching habits:
1. Free of branches to a point at 50% of their height.
2. Contain a minimum of six (6) well placed branches, not including the leader.
D.
Trees shall be measured when branches are in their normal position. Caliper measurement
shall be taken at a point on the trunk six inches (6") above, ground.
E.
Trees which have no leader or have a damaged or crooked leader, or multiple leaders,
unless specified, will be rejected. Trees shall be freshly dug.
C-2
2.02 SEED:
Minimum
Proportion Lbs.l
Mix by Weight Acre
URBAN MIX'
Kentucky Blue Grass 70% 122.0
Perennial Rygrass (fine leaf variety) 10% 18.0
Creeping Red Fescue 20% 35.0
RURAL MIX'
Kentucky 31 Fescue 54% 25
Switchgrass (Black Well) 17% 8
Alfalfa (Northem Grown) 11% 5
Birdsfoot Trefoil (Empire) 9% 4
Alsike Clover 9% 4
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'A commercial mix may be used upon approval of the Engineer if it contains a
high percentage of similar grasses.
2.03 SOD:
A. Grass and sod established, nursery grown Kentucky or Merion Bluegrass sod, vigorous, well
rooted, healthy turf, free from disease, insect pests, weeds and other grasses, stones, and
any other harmful or deleterious matter.
B. Sod harvested by machine at uniform soil thickness of approximately one inch but not less
than 3/4 of an inch. Measurement for thickness excludes top growth and thatch. Prevent
tearing, breaking, drying or any other damage.
2.04 LIME AND FERTILIZER:
A. Ground agriculture limestone containing not less than 85 percent of total carbonates.
B. Fertilizer shall contain the following percentages by weigljt or as approved by Engineer:
Nitrogen' - 15% Phosphorus - 15%
Potash -15%
'At least 50 percent of nitrogen derived from natural organic sources of ureaform.
81900/10.060/Sec 02900.doc
02900-2
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PART 3 . EXECUTION
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3.01 PLANTING TREES AND SHRUBS:
A.
Planting Season and Completion Date:
1.
Trees: Spring - March 30 through May 15
Fall- Sept. 18 through Nov. 18
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2. The Contractor may plant outside the limits of suqh dates with permission of the City
Forester. The City Forester may stop or postpone planting during these dates if
weather conditions are such that plant materials may be adversely affected.
B. The planting shall be performed by personnel familiar with the accepted procedures of
planting and under the constant supervision of a qualified planting supervisor.
C. Tree and shrub placement shall be as shown on the plans.
D. Contractor shall inform the City Forester of the starting .date and location. All planting soil
must be approved by the City Forester before use.
E. Excavate with vertical sides and in accordance with following requirements:
1. Excavate tree pits to a minimum of two feet greater in diameter than root ball of tree
and sufficiently deep to allow for a minimum of 6 inches of planting soil mixture
below root ball.
2. Plant shrubs in pits 12 inches greater in width than diameter of root ball or container
and sufficiently deep to allow for a minimum 01 6 inches of planting soil mixture
below root ball.
3. Do not use auger to excavate planting pits.
F. Set trees and shrubs in center of pits, align with planting plan, plumb and straight and at
elevation where top of root ball is one inch lower tham surrounding finished grade after
settlement.
G. Compact topsoil mixture thoroughly around base of rool ball to fill all voids. Cut all burlap
and lacing and remove from top one-third of root ball. Do not pull burlap from under any root
ball. Backfill tree and shrub pits halfway with planting soil mixture and li1oroughly puddle
before further backfilling tree or shrub pit. Water tree or shrub again when backfill operation
is complete.
H. Rake bed area smooth and neat. Mulch all tree pits and shrub beds with a minimum of three
inches of hardwood mulch which has been approved by the City Forester.
3.02 PLANTING SOIL MIXTURE:
A. Backfill material for plantings shall be a mixture of 2/3 loose friable topsoil and 1/3 clean
sand. All backfill shall have a uniform appearance and shall be loose, friable, and free of
hard clods and rock over two inches in diameter.
3.03 SEED, FERTILIZE, LIME AND MULCH:
A. Apply lime by mechanical means at rate of 3,000 pounds per acre.
B. Apply fertilizer at rate of 450 pounds per acre.
81900/10.060/50c 02900.doc
02900-3
C. Seed Areas:
1. Remove weeds or replace loam and reestablish finish grades if any delays in
seeding lawn areas allow weeds to grow on surf~ce or loam is washed out prior to
sowing seed. This work will be at the Contractor's expense.
2. Sow seed at rate of 175 pounds per acre on calm day, by mechanical mealis: Sow
one-half of seed in one direction, and other ortle-half at right <iagles to :Qiiginal
direction. .': C ::n.
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3. Rake seed lightly into loam to depth of not more than )I.-inch arid compact b9' ,..
means of an acceptable lawn roller weighing 100 to 150 pounds -PeL linear foot orr
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4.
Hydro-seeding may be used upon approval of the Engineer.
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D. Water lawn area adequately at time of sowing and dally thereafter with fine spray until
germination, and continue as necessary throughout maintenance and protection period.
E. Seed during approximate time periods of April 1 to May 15 and August 15 to September 15,
and only when weather and soil conditions are suitable for such work, unless otherwise
directed by the Engineer.
F. All areas requiring mulch shall be mulched as soon as seed is sown and final rolling is
completed. Mulch shall be evenly and uniformly distributed and anchored into the soil. The
application rate for reasonably dry material shall be approximately 1 Y, tons of dry cereal
straw, two tons of wood excelsior, or two tons of prairie, hay per acre, or other approved
material, depending on the type of material furnished. All accessible mulched areas shall be
consolidated by tilling with a mulch stabilizer, and slope areas shall be tilled on the contour.
Crawler-type or dual-wheel tractors shall be used for the mulching operation. Equipment
shall be operated in a manner to minimize displacement of the soil and disturbance of the
design cross section.
G.
3.04 SOD:
A.
B.
C.
D.
Apply additional care as necessary to ensure a hearty stand of grass at the end of the one-
year maintenance period.
Install sod not more than 48 hours after cutting. Stake all sod as necessary to prevent
erosion before establishment.
Apply lime by mechanical means at a rate of 3,000 pounds per acre.
Apply fertilizer at a rate of 450 pound per acre.
Remove weeds or replace loam and reestablish finish grades if there are any delays in
sodding.
E. Rake area to be sodded.
F. Roll sod to establish smooth, unifom1 surface.
G. Water area adequately at time of sodding and continue as necessary throughout
maintenance period.
81900/10.060/50c 02900.doc
02900-4
H. Sod during approximate time periods of April 1 to May 15 and August 15 to October 15, and
only when weather and soil conditions are suitable for suoh work, unless otherwise directed
by the Engineer.
I. Apply additional care as necessary to ensUre a hearty stand of grass at the end of the one-
year maintenance period.
3.05 MAINTENANCE - ALL PLANTINGS:
A. Begin maintenance immediately and continue maintenance until final acceptance of work.
Water, mulch, weed, prune, spray, fertilize, cultivate and otherwise maintain and protect all
plantings.
B. Maintain sod and seed areas at maximum height of 2)1" inches by mowing at least three
times. Weed thoroughly once and maintain until time of final acceptance. Reseed and
refertilize with original mixtures, watering, or whatever is necessary to establish, over entire
area, a close stand of grasses specified, and reasonably free of weeds and undesirable
grasses.
C. Reset settled trees and shrubs to proper grade and position, and remove dead material.
D. All plantings shall be guaranteed for a period of one year afier by City Council acceptance of
the project.
E. The Contractor shall supply all water for planting and maintenance. Water may be obtained
at the Contractor's expense at the bulk water fill station located at 1200 S. Riverside Drive.
All water must be paid for in advance at the Civic Center, 410 E. Washington Street.
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02900-5
SECTION 03350
COLORED CONCRETE FINISHES
PART 1 - GENERAL
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1.01 WORK INCLUDED:
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A.
Colored finish for new concrete curb ramps.
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1.02
REFERENCES:
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A. L.M. Scofield Company Tech - Data Bulletin A-104.10.
B. L.M. Scofield Company Tech - Data Bulletin A-514.02.
C. L.M. Scofield Company Guide G-107.02.
D. ASTM C309 - Liquid Membrane-Forming Compounds for Curing Concrete.
1.03 QUALITY ASSURANCE:
A. Use adequate numbers of skilled workers who are thoroughly trained and experienced in the
necessary crafts and who are completely familiar with the specified requirements and the
methods needed for proper performance of concrete coloring.
1.04 SUBMITTALS:
A. Comply with Section 01310.
1.05 DELIVERY, STORAGE AND HANDLING:
A. Deliver material in unopened containers with labels identifying contents attached.
B. Powdered materials shall be kept dry and under cover. Protect liquid material from freezing.
Expired materials shall not be used.
1.06 PROJECT CONDITIONS:
A. Comply with ACI requirements for cold and hot-weather work.
B. Pre-Installation Meeting
PART 2 - PRODUCTS
2.01 MA TERIALS:
A. Concrete: Reference Section 02520.
B. Water: Fresh, clean and potable.
C. Colored Hardener:
1. Litochrome Color Hardener by L.M. Scofield Company.
2. Color: Tile Red (A-28).
81900/10.060/Sec 03350.doc 03350-1
D. Bonding Agent: Product known to enhance adhesion to concrete.
E. Curing compound:
1. Lithochrome Colorwax by L.M. Scofield Company.
2. Color: Tile Red (A-28).
PART 3 - EXECUTION
3.01 INSPECTION:
A. Verify that subgrade is installed according to specifications and is free of conditions which
could be detrimental to performance of colored concrete.
3.02 INSTALLATION:
A. Concrete: Place and screed to required elevations as specified in Section 02520.
B. Float concrete from two directions with wood trowel to create a uniform surface. Do not use
metal trowel.
C. Colored Hardener: Apply 60 pounds per 100 sq. ft. or rate recommended by manufacturer.
Apply evenly in two phases using dry-shake method. Wood float after each shake.
D. Trowel surface with a steel or aluminum trowel leaving no trowel marks.
E. Protect concrete from premature drying, excessive hot or cold temperature and damage.
F. Curing Compound: Apply per manufacturer's guide for rate and method.
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04-19-05
I
9
Prepared by: Brian Boelk, Civil Engineer, 410 E. Washington St., Iowa City,IA 52240 (319) 356-5437
RESOLUTION NO. O~-l ~4
RESOLUTION APPROVING PLANS, SPECIFICATIONS, FORM OF CONTRACT,
AND ESTIMATE OF COST FOR THE CONSTRUCTION OF THE GRAND AVENUE
IMPROVEMENTS PROJECT, ESTABLISHING AMOUNT OF BID SECURITY TO
ACCOMPANY EACH BID, DIRECTING CITY CLERK TO PUBLISH
ADVERTISEMENT FOR BIDS, AND FIXING TIME AND PLACE FOR RECEIPT OF
BIDS.
WHEREAS, notice of public hearing on the plans, specifications, form of contract and estimate
of cost for the above-named project was published as required by law, and the hearing thereon
held.
NOW, THEREFORE, BE IT RESOLVED BY THE COUNCIL OF THE CITY OF IOWA CITY,
IOWA THAT:
1. The plans, specifications, form of contract and estimate of cost for the above-named
project are hereby approved.
2. The amount of bid security to accompany each bid for the construction of the above-
named project shall be in the amount of 10% (ten percent) of bid payable to Treasurer,
City of Iowa City, Iowa.
3. The City Clerk is hereby authorized and directed to publish notice for the receipt of bids
for the construction of the above-named project in a newspaper published at least once
weekly and having a general circulation in the city.
4. Bids for the above-named project are to be received by the City of Iowa City, Iowa, at the
Office of the City Clerk, at the City Hall, until 1 0:00 a.m. on the 10th day of May, 2005, or
at a later date and/or time as determined by the Director of Public Works or designee,
with notice of said later date and/or time to be published as required by law. Thereafter
the bids will be opened by the City Engineer or his designee, and thereupon referred to
the Council of the City of Iowa City, Iowa, for action upon said bids at its next meetin~, to
be held at the Emma J. Harvat Hall, City Hall, Iowa City, Iowa, at 7:00 p.m. on the 17h
day of May, 2005, or if said meeting is cancelled, at the next meeting of the City Council
thereafter as posted by the City Clerk.
Passed and approved this 19th
day of ADri 1 , 2005.
p~ ;dd
ayor
-
-
ATTEST: ~;..~ ,f/ ~
City erk
A~(2,
~it A orney Office
7!tck~
Resolution No. 05-154
Page 2
It was moved by Vanderhoef and seconded by
adopted. and upon roll call there were:
AYES:
NAYS:
x
X
X
X
X
X
O'Donnell
ABSENT:
X
the Resolution be
Bailey
Champion
Elliott
Lehman
O'Donnell
Vanderhoef
Wilburn
R,~) L1LJ
Prepared by: Mitchel T. Behr, Assl. City Attorney, 410 E. Washington SI., Iowa City, IA 52240 (319) 356-5030
RESOLUTION NO. 05-172
RESOLUTION AUTHORIZING EXECUTION OF AN AGREEMENT BETWEEN THE
CITY OF IOWA CITY AND THE UNIVERSITY OF IOWA REGARDING CERTAIN
OBLIGATIONS INVOLVING THE GRAND AVENUE STREET IMPROVEMENTS
PROJECT.
WHEREAS, the City of Iowa City and the University of Iowa wish to construct roadway and
associated utility improvements to Grand Avenue; and
WHEREAS, Iowa City and the University of Iowa agree that the improvements to Grand Avenue
will benefit both the City and the University of Iowa; and
WHEREAS, Iowa City and the University of Iowa are agreeing to certain obligations with respect
to the improvements to be made and responsibility for the costs of said improvements, all as set
forth in an agreement attached hereto.
NOW, THEREFORE, BE IT RESOLVED BY THE CITY COUNCIL OF THE CITY OF IOWA
CITY, IOWA, THAT:
1. The Mayor and City Clerk are hereby authorized to execute in duplicate the attached
Agreement with the University of Iowa, and said agreement is hereby approved as to form
and content, and is found to be in the best interests of the citizens of Iowa City, Iowa.
Passed and approved this 3rd
day of ~
rlly4 tc/.
MAYOR
~
ATTEST: ~C~~~ k. K~
CITYLERK
Approved by
/#~<t-/;"r(.,s.~
6tiAtt~~#s OO~ '
Resolution No.
Page 2
n~- , 7?
It was moved by Champ; on and seconded by
adopted, and upon roll call there were:
AYES:
NAYS:
x
x
x
X
X
X
X
Vanrlprhopf the Resolution be
ABSENT:
Bailey
Champion
Elliott
Lehman
O'Donnell
Vanderhoef
Wilburn
AGREEMENT BETWEEN THE CITY OF IOWA CITY AND THE UNIVERSITY OF IOWA
REGARDING CERTAIN OBLIGATIONS INVOLVING THE CONSTRUCTION OF GRAND
AVENUE IMPROVEMENTS IN IOWA CITY.
THIS AGREEMENT is made by and between the City of Iowa City, Iowa, a municipal
corporation, hereinafter referred to as "City", and the University of Iowa, hereinafter referred to
as "University".
WHEREAS, City and the University desire to jointly construct Grand Avenue
Improvements from an area including Grand Avenue, South Grand Avenue, and Byington Road
in Iowa City, hereinafter referred to as the "Project"; and
WHEREAS, the "Project" covers the road and associated infrastructure such as storm
sewer, sanitary sewer, and steam tunnel; and
WHEREAS, City and the University desire to enter into an agreement outlining their
respective duties and responsibilities regarding said Project.
NOW, THEREFORE, IT IS AGREED AS FOllOWS:
I. Purpose. The purpose of the agreement is to coordinate design and construction of the
Project and to establish the financial responsibilities of each party.
II. Consideration. The mutual consideration herein is the undertaking of the Project and
agreement to the terms herein.
III. Proiect Phases and Responsibilities.
A. Engineering Design Services.
1. Consultant Aqreement. City previously entered into an engineering consultant
agreement with Earth Tech for design services for this Project.
2. Enqineerinq Desiqn Costs. City paid the University's share of the engineering
design costs and the University shall reimburse said costs in the amount of $21,000.00.
B. Project letting.
1. Proiect Development. The construction design process shall be a collaborative
effort between City and University. The parties agree to hold regular design meetings
with the Engineer to finalize the design of the Project.
2. Award. The project will be constructed as a single project and bid in such
manner. Both the City and the University will approve plans and specifications for the
entire project. The City will award a construction contract in the City's standard form and
executed by the City. Action by the City to authorize the project to proceed to
advertisement for bids shall be contingent on the University's concurrence.
3. Assurances of Financinq. Prior to advertisement for bids, City shall take such
actions as are necessary, and can be completed at that stage of the process, to assure
its ability to finance its share of the costs. The City should certify to the University:
a. Its method of payment, describing the amount and types of financing,
including provisions for overrun costs.
b. That it has taken legal actions required to authorize the sale and issuance of
any financing contemplated.
c. That it has received reasonable assurances of its ability to sell or place such
financing, furnishing copies of such assurance or supporting confirmation
from the respective independent financial advisors.
d. If each party determines that the other party's financial assurances are
acceptable, it shall take action to authorize the project to proceed to
advertisement for bids.
4. Payment of Invoices and Reimbursement to the City. City will act as the lead
agency for the project and will supervise construction. Upon presentment of an invoice
for construction costs, the University shall review the same and shall make payment in
the ordinary course upon approval promptly thereafter.
C. Financial Responsibility for Construction Costs.
1. Allocation of Costs. The parties will be responsib,le for the costs of construction
including engineering services, inspection, and construction administration as follows:
a. City - 50% of Project
b. University - 50% of Project.
IV. MISCELLANEOUS
A. Duration. This agreement shall continue in force until the final acceptance of
work is made by the City Engineer and final payment has been made pursuant to the terms
hereof.
Dated this
3
day of ~I
,2005.
~ CITYOFIOWAU:
By: ~4/. ~
Ernest W. Lehman, Mayor
BY:
ATTEST:
By: ~~. K~
Manan K. Karr, City Clerk
2
FAX TRANSMITTAL COVER SHEET
Engineering Division
City of Iowa City
410 E. Washington St.
Iowa City, IA 52240
IOWA CITY . .
ENGINEERING- -
Phone:
FAX:
319-356-5140
319-356-5007
DIVISION
410 East Washington Street ~ 319-356-5140
TO:
All Plan Holders
FROM: Brian Boelk
PHONE #: 356-5437
COMPANY:
FAX#:
Subject: Grand Avenue Improvements Project
Date: 5/10/05
Total number of pages, including this sheet: 5
o Urgent
D Reply ASAP
D Please Comment 0 Please Review ~ For your information
Message: Please see the followinq Addendum #1 for the above referenced
proiect plans. I am sorry to announce that the bid openinq for Grand Avenue
Improvements Proiect has been delaved until Tuesdav. Mav 17th. 2005. I
apoloqize for any inconvenience this may cause to you.
C~_')
r....,
.~(
,LI
cO)
,',
\?
en
0')
~
ADDENDUM NO.1
May 10, 2005
GRAND AVENUE IMPROVEMENTS PROJECT
IOWA CITY, IOWA
The information in this Addendum modifies, supplements, or replaces information
contained in the Plans and/or Specifications, as applicable, and is hereby made a part of
the Contract Documents.
Information contained in the Addendum supersedes all forms of communication where conflict exists.
Contractor shall acknowledge receipt of the Addendum on the Bid Form. Failure to do this may result in
disqualification of the bidder.
PROJECT MANUAL
1. Advertisement for Bids - Replace pages AD-I, AD-2, and AD-3. Note that bid opening date
has been changed.
I hereby certify that this engineering document was prepared by me or under my direct personal
supervision and that I am a duly licensed Professional Engineer under the laws of the State ofIowa.
SIGNED:
DATE:
~//~~d
/Brian A. Boel .E.
Iowa Reg. No. 16503
My license renewal date is December 31, 2004
s/to/o~
-"
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(.11
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Addendum NO.1
May 10, 2005
ADVERTISEMENT FOR BIDS
GRAND AVENUE IMPROVEMENTS PROJECT
Sealed proposals will be received by the City
Clerk of the City of Iowa City, Iowa, until
10:00 A.M. on the 17'" day of May, 2005, or at a
later date and/or time as determined by the
Director of Pubiic Works or designee, with notice
of said later date and/or time to be published as
required by law. Sealed proposals will be opened
immediately thereafter by the City Engineer or
designee. Bids submitted by fax machine shall not
be deemed a "sealed bid" for purposes of this
Project. Proposals will be acted upon by the City
Council at a meeting to be held in the Emma J.
Harvat Hall at 7:00 P.M. on the 17th day of May,
2005, or at such iater time and place as may be
scheduled.
The Project will involve the following:
PCC Paving, Steam Vault Modifications,
Traffic Signal Modifications, Storm Sewer
Construction and Other Incidentai Items.
All work is to be done in strict compliance with
the plans and specifications prepared by Earth
Tech, of Iowa City, Iowa, which have heretofore
been approved by the City Council, and are on file
for public examination in the Office of the City
Clerk.
Each proposal shall be completed on a form
furnished by the City and must be accompanied in
a sealed envelope, separate from the one
containing the proposal, by a bid bond executed
by a corporation authorized to contract as a surety
in the State of Iowa, in the sum of 10% of the bid.
The bid security shall be made payable to the
TREASURER OF THE CITY OF IOWA CITY,
IOWA, and shall be forfeited to the City of Iowa
City in the event the successful bidder fails to
enter into a contract within ten (10) calendar days
of the City Council's award of the contract and
post bond satisfactory to the City ensuring the
faithful performance of the contract and mainte-
nance of said Project, if required, pursuant to the
provisions of this notice and the other contract
documents. Bid bonds of the lowest two or more
bidders may be retained for a period of not to
exceed fifteen (15) calendar days following award
of the contract, or until rejection is made. Other
bid bonds will be returned after the canvass and
tabulation of bids is completed and reported to the
City Council.
The successfui bidder will be required to furnish
a bond in an amount equal to one hundred
percent (100%) of the contract price, said bond to
. )
"C:~
}>
AD-I
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--.-..-.
CJ
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--J
be issued by a responsible surety approved by the
City, and shall guarantee the prompt payment of
all materials and labor, and also protect and save
harmless the City from all claims and damages of
any kind caused directly or indirectly by the
operation of the contract, and shall also guarantee
the maintenance of the improvement for a period
of five (5) years from and after its completion and
formal acceptance by the City Council.
The following limitations shall apply to this
Project:
Calendar Days: 67
Specified Start Date: June 6, 2005
Liquidated Damages: $400.00 per day
The plans, specifications and proposed contract
documents may be examined at the office of the
City Clerk. Copies of said plans and specifications
and form of proposal blanks may be secured at
the Office of the City Engineer, Iowa City City Hall,
410 East Washington Street, Iowa City, Iowa, by
bona fide bidders.
A $35.00 non-refundable fee is required for each
set of plans and specifications provided to bidders
or other interested persons. The fee shall be in
the form of a check, made payabie to the City of
Iowa City. Plans and specifications will be
available on April 20, 2005.
Prospective bidders are advised that the City of
Iowa City desires to employ minority contractors
and subcontractors on City projects. A listing of
minority contractors can be obtained from the
Iowa Department of Economic Development at
(515) 242-4721 and the Iowa Department of
Transportation Contracts Office at (515) 239-
1422.
Bidders shall list on the Form of Proposal the
names of persons, firms, companies or other
parties with whom the bidder intends to subcon-
tract. This list shall include the type of work and
approximate subcontract amount(s).
The Contractor awarded the contract shall
submit a list on the Form of Agreement of the
proposed subcontractors, together with quantities,
unit prices and extended dollar amounts.
By virtue of statutory authority, preference must
be given to products and provisions grown and
coal produced within the State of Iowa, and to
Iowa domestic labor, to the extent lawfully re-
quired under Iowa Statutes. The Iowa reciprocal
resident bidder preference law applies to this
Project.
The City reserves the right to reject any or all
proposals, and also reserves the right to waive
technicalities and irregularities.
-~.:::
)0:
AD-2
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C)
,::",'~
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Published upon order of the City Council of Iowa
City, Iowa.
MARIAN K. KARR, CITY CLERK
AD-3
5:;:
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i'
Publish 4/14
NOTICE OF PUBLIC HEARING ON PLANS,
SPECIFICATIONS, FORM OF CONTRACT AND
ESTIMATED COST FOR THE
GRAND AVENUE IMPROVEMENTS PROJECT
IN THE CITY OF IOWA CITY, IOWA
TO ALL TAXPAYERS OF THE CITY OF IOWA
CITY, IOWA, AND TO OTHER INTERESTED
PERSONS:
Public notice is hereby given that the City Council
of the City of Iowa City, Iowa, will conduct a public
hearing on plans, specifications, form of contract
and estimated cost for the construction of the
Grand Avenue Improvements Project in said city
at 7:00 p.m. on the 19th day of April, 2005, said
meeting to be held in the Emma J. Harvat Hall in
City Hall, 410 E. Washington Street in said city, or
if said meeting is cancelled, at the next meeting of
the City Council thereafter as posted by the City
Clerk.
Said plans, specifications, form of contract and
estimated cost are now on file In the office of the
City Clerk in City Hall in Iowa City, Iowa, and may
be inspected by any interested persons.
Any interested persons may appear at said
meeting of the City Council for the purpose of
making objections to and comments concerning
said plans, specifications, contract or the cost of
making said improvement.
This notice is given by order of the City Council
of the City of Iowa City, Iowa and as provided by
law.
MARIAN K. KARR, CITY CLERK
ADVERTISEMENT FOR BIDS
GRAND AVENUE IMPROVEMENTS PROJECT
Sealed proposals will be received by the City
Clerk of the City of Iowa City, Iowa, until
10:00 A.M. on the 17'" day of May, 2005, or at a
later date and/or time as determined by the
Director of Public Works or designee, with notice
of said later date and/or time to be published as
required by law. Seaied proposals will be opened
immediately thereafter by the City Engineer or
designee. Bids submitted by fax machine shall not
be deemed a "sealed bid" for purposes of this
Project. Proposals will be acted upon by the City
Council at a meeting to be held in the Emma J.
Harvat Hall at 7:00 P.M. on the 17th day of May,
2005, or at such later time and place as may be
scheduled.
The Project will involve the following:
PCC Paving, Steam Vault Modifications,
Traffic Signal Modifications, Storm Sewer
Construction and Other Incidental Items.
All work is to be done in strict compliance with
the plans and specifications prepared by Earth
Tech, of Iowa City, Iowa, which have heretofore
been approved by the City Council, and are on file
for public examination in the Office of the City
Clerk.
Each proposal shall be completed on a form
furnished by the City and must be accompanied in
a sealed envelope, separate from the one
containing the proposal, by a bid bond executed
by a corporation authorized to contract as a surety
in the State of Iowa, in the sum of 10% of the bid.
The bid security shall be made payable to the
TREASURER OF THE CITY OF IOWA CITY,
lOW A, and shall be forfeited to the City of Iowa
City in the event the successful bidder faiis to
enter into a contract within ten (10) calendar days
of the City Council's award of the contract and
post bond satisfactory to the City ensuring the
faithful performance of the contract and mainte-
nance of said Project, if required, pursuant to the
provisions of this notice and the other contract
documents. Bid bonds of the lowest two or more
bidders may be retained for a period of not to
exceed fifteen (15) calendar days following award
of the contract, or until rejection is made. Other
bid bonds will be returned after the canvass and
tabulation of bids is completed and reported to the
City Council.
The successful bidder will be required to furnish
a bond in an amount equal to one hundred
percent (100%) of the contract price, said bond to
AD-I
be issued by a responsible surety approved by the
City, and shall guarantee the prompt payment of
all materials and labor, and also protect and save
harmless the City from all claims and damages of
any kind caused directly or Indirectly by the
operation of the contract, and shall also guarantee
the maintenance of the Improvement for a period
of five (5) years from and after its completion and
formal acceptance by the City Council.
The following limitations shall apply to this
Project:
Calendar Days: 67
Specified Start Date: June 6, 2005
Liquidated Damages: $400.00 per day
The plans, specifications and proposed contract
documents may be examined at the office of the
City Clerk. Copies of said plans and specifications
and form of proposal blanks may be secured at
the Office of the City Engineer, Iowa City City Hall,
410 East Washington Street, Iowa City, Iowa, by
bona fide bidders.
A $35.00 non-refundable fee is required for each
set of plans and specifications provided to bidders
or other interested persons. The fee shall be in
the form of a check, made payable to the City of
Iowa City. Plans and specifications will be
available on April 20, 2005.
Prospective bidders are advised that the City of
Iowa City desires to employ minority contractors
and subcontractors on City projects. A listing of
minority contractors can be obtained from the
Iowa Department of Economic Development at
(515) 242-4721 and the Iowa Department of
Transportation Contracts Office at (515) 239-
1422.
Bidders shall list on the Form of Proposal the
names of persons, firms, companies or other
parties with whom the bidder intends to subcon-
tract. This list shall include the type of work and
approximate subcontract amount(s).
The Contractor awarded the contract shall
submit a list on the Form of Agreement of the
proposed subcontractors, together with quantities,
unit prices and extended dollar amounts.
By virtue of statutory authority, preference must
be given to products and provisions grown and
coal produced within the State of Iowa, and to
Iowa domestic labor, to the extent lawfully re-
quired under Iowa Statutes. The Iowa reciprocal
resident bidder preference law applies to this
Project.
The City reserves the right to reject any or all
proposals, and also reserves the right to waive
technicalities and irregularities.
AD-2
~-~------~--~---
Published upon order of the City Council of Iowa
City, Iowa.
MARIAN K. KARR, CITY CLERK
AD-3
Printer's Fee $ I 'l.I~
CERTIFICATE OF PUBUCATlON
STATE OF IOWA,
JOHNSON COUNTY, SS:
THE IOWA CITY PRESS-CITIZEN
FED. ID #42-0330670
I, Ov-l...-e.y\.e. Mal er
~'I>>I 1:.., being duly sworn, say
that I am the legal clerk of the IOWA
CITY PRESS-CITIZEN, a newspaper
published in said county, and that a
notice, a printed copy of which is
hereto attached, was published in
said paper I time(s), on the
~ng date(s):
r i L I'/; :l-IJrJ5
aMI'P-1naL~
Legal Clerk
Subscribed and sworn to before me
this J '-l~ day of ~,..: I
A.D. 20 D<:) ..
\... -/ ..:....A--ft,.. ~tary Public
I.i UNDAKROlZ
:\ Coo......... Number 7328111
. . My CommissIon Expires
January 'D, 2008
OFFICIAL PUBLICATION
NOTICE OF PUBUC HEARING ON
PLANS, SPECIFICATIONS, FORM
OF CONTRACT AND EsnMATED
COST FOR THE
GRAND AVENUE IMPROVEMENTS
PROJECT IN THE CITY OF IOWA CITY,
IOWA
TO ALL TAXPAYERS OF THE CITY OF
IOWA CITY, IrmA. AND TO OTHER
INTERESTED PERSONS:
Public notice is hereby given that the
City Council of the City of Iowa City, Iowa.
will con-duct a public hearing on plans,
specifications, form of contract and esti-
mated cost for the con--struclion of the
Grand Avenue Improvements Project in.
said city at 7:00 p.m. on the 19th day of
April. 2005, said meeting to be held in the
Emma J. Harvat Hall in City Hall. 410 E.
Washington Street in said city, or if s~id
meeting is cancelled, at the next meetIng
of the City Council thereafter as posted
by the City Clerk.
i Said plans, specifications, term of co.,,-
tract and estimated cost are now on file In
the office of the City Clerk in City Hall in
Iowa City, Iowa, and may be inspected by
any interest -00 persons.
Any interested persons may appear at
said meeting of the City Council for the
purpose of making objections 10 and
comments concerning said plans, specifi-
ca-lions, conlract or the cost of making
said Improvement.
This notice is given by order of the City
Coun-cil of lhe City of Iowa City, Iowa and
as provided by law.
MARIAN K. KARR. CITY CLERK
62021
Apri/14,2oo5
Pro) ~ \3
Prepared by: Brian Boelk, Engineering, 410 E. Washington St., Iowa City, IA 52240 (319)356-5437
RESOLUTION NO. n~-' q,
RESOLUTION AWARDING CONTRACT AND AUTHORIZING THE MAYOR TO
SIGN AND THE CITY CLERK TO ATTEST A CONTRACT FOR
CONSTRUCTION OF THE GRAND AVENUE IMPROVEMENTS PROJECT.
WHEREAS, All American Concrete, Inc. of West Liberty, Iowa has submitted the lowest
responsible bid of $207,592.90 for construction of the above-named project.
NOW, THEREFORE, BE IT RESOLVED BY THE CITY COUNCIL OF THE CITY OF IOWA CITY,
IOWA, THAT:
1. The contract for the construction of the above-named project is hereby awarded to All
American Concrete, Inc., subject to the condition that awardee secure adequate
performance and payment bond, insurance certificates, and contract compliance program
statements.
2. The Mayor is hereby authorized to sign and the City Clerk to attest the contract for
construction of the above-named project, subject to the condition that awardee secure
adequate performance and payment bond, insurance certificates, and contract compliance
program statements.
Passed and approved this , 7th
day of May
,20 05
~~/ w ;;rd.
AYOR
....""-'""-
ATTEST: ~M.uJ k ~a.1A~
CI LERK
Approved by
/I(!;{~.~ >!'.,/or
City Attorney's Office
It was moved by Wi 1 burn and seconded by
adopted, and upon roll call there were:
0' Donne 11
the Resolution be
AYES:
X
X
X
X
X
X
X
pweng\res\grandave-awrdcon.doc
NAYS:
ABSENT:
Bailey
Champion
Elliott
Lehman
O'Donnell
Vanderhoef
Wilburn
Printer's Fee $ 55,Lil
CERTIFICATE OF PUBUCATION
STATE OF IOWA,
JOHNSON COUNTY, SS:
THE IOWA CITY PRESS-CmZEN
FED. ID #42-0330670
I, Or\... e. v\<.- .i'rLu...ke......
.J.u , .ill, being duly sworn, say
that I am the legal clerk of the IOWA
CITY PRESS-CITIZEN, a newspaper
published in said county, and that a
notice, a printed copy of which is
hereto attached, was published in
said paper -l time(s), on the
follOwing date(s):
l{\ f'lIJ /7, ::I-rJ()E)
/
0-J! 0 LtJl ~IJ#OA ../
Legal Clerk
Subscribed and sworn to before me
this 1:S-lh day of '-ffi~
A.D. 20 0<;'" .
/'-7I~ Notary Public
'. llNDAKROTZ
fi'i: Commission Number 732818
.__1::iif.~. r.1y C::rr:misslon Expires
" -. ." ";-"':',:-: ~7,2008
- ~-~--
OFFICIAL PUBLICATION
ADVERTISEMENT FOR BIDS
GRAND AVENUE IMPROVEMENTS
PROJECT
Sealed proposals will be received by
the City Clerk of the City of Iowa City,
Iowa, until 10:00 A.M. on the 17th day of
May, 2005, or at a later date and/or time
as determined by the Director of Public
Works or designee, with notice of said
later dale and/or time to De pUblished as
required by Jaw. Sealed proposals will be
opened immediatelytherea.fter by the
City Engineer or designee. Bids submit-
ted by fax machine shall not be deemed
a .sealed bid" for purposes of this
Project, Proposals will be acted upon by
the City Council at a meeting to be held in
the Emma J, Harvat Hall at 7:00 P.M, on
the 17th day of May, 2005, or at such later
time and place as may be scheduled.
The Project will involve the following:
PCC Paving, Steam Vault Modifications,
Traffic Signal Modifications, Storm Sewer
Construction and Other Incidental Items.
All work is to be done in strict compli-
ance with the plans and specifications
prepared by Earth Tech, of Iowa City,
Iowa, which have heretofore been
approved by the City Council, and are on
file for public examination in the Office of
the City Clerk.
Each proposal shall be completed on a
form furnished by the City and must be
accompanied in a sealed envelope, sep..
arate from the one containing the propos-
al, by a bid bond executed by a corpora-
tion authorized to contract as a surety in
the State of Iowa, in the sum of 10% of
the bid. The bid security shall be made
payable to the TREASURER OF THE
CITY OF IOWA CITY, IOWA, and shall be
fodeited to the City of Iowa City in the
event the successful bidder fails to enter
into a contract within ten (10) calendar
days of the City Councirs award of the
contract and post bond satisfactory to the
City ensuring the falthful performance of
the contract and maintenance of said
Project, if required, pursuant to the provi-
sions of this notice and the other contract
documents. Bid bonds of the lowest two
or more bidders may be retained for a
period of not to exceed fifteen (15) calen-
dar days following award of the contract,
or until rejection is made. Other bid bonds
will be returned after the canvass and
tabulation of bids is completed and
reported to the City Council.
The successful bidder will be required to
furnish a bond in an amount equal to one
hundred percent (100%) of the contract
price, said bond to be issued by a respon-
sible surety approved by the City, and
shall guarantee the prompt payment of all
materials and labor, and also protect and
save harmless the City from all claims
and damages of any kind caused directly
or indirectly by the, operation of the con-
tract, and shall also guarantee the main-
tenanceof the improvement for a period
of five (5) years from and after its com-
pletion and formal acceptance by the City
Council.
The following limitations shall apply to
this Project:
Calendar Days: 67
Specified Start Date: June 6, 2005
Liquidated Damages: $400,00 per day
The plans, specifications and proposed
contract documents may be examined at
the office of the City Clerk. Copies of said
plans and specifications and form of pro-
. posal blanks may be secured at the
Office of the City Engineer. Iowa City City
Hall, 410 East Washington Street, Iowa
City, Iowa, by bona fide bidders.
A $35.00 non-refundable fee is required
for each set of plans and specifications
provided to bidders or other interested
persons. The fee shall be in the form of a
check, made payable to the Cily of Iowa
City. Plans and specifications will be
a~ailable on April 20. 2005.
Prospective bidders are advised that the
City of Iowa City desires to employ minor-
,ity contractors and subcontractors on City
projects. A listing of minority contractors
can be obtained from the Iowa
Department of Economic Development at
(515) 242-4721 and the Iowa Department
of Transportation Contracts Office at
(515) 239-1422,
Bidders shall list on the Form of
Proposal the names of persons, firms,
companies or other parties with whom
the bidder intends to subcontract. This jist
shall include the type of work and approx-
imate subcontract amount(s),
The Contractor awarded the contract
shall submit a list on the Form of
Agreement of the proposed subcontrac-
tors:, together with quantities, unit prices
and extended dollar amounts.
By virtue of statutory authority. pref-
erence must be given to products and
provisions grown and coal produced with-
in the State of Iowa, and to Iowa domes-
tic labor, to the extent lawfully required
under Iowa Statutes, The Iowa recipro-cal
resident bidder preference law applies to
this Project,
The City reserves the right to reject any
or all propos.als, and also reserves the
right to waive technicalities and. irregu-
larities.
Published upon order of the City Council
of Iowa City, Iowa.
MARIAN K. KARR, CITY CLERK
62292
May 13, 2005
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CITY OF IOWA CITY
ENGINEER'S REPORT
410 East Washington Street
Iowa City, Iowa 52240-1826
(319) 356-5000
(319) 356-5009 FAX
www.icgov.org
May 10, 2006
City Clerk
City of Iowa City, Iowa
Re: Grand Avenue Improvements
Dear City Clerk:
I hereby certify that the construction of the Grand Avenue Improvements Project
has been completed by All American Concrete, Inc. of West Liberty, Iowa in
substantial accordance with the plans and specifications prepared by City of
Iowa City Engineering Division.
The final contract price is $248,875.60.
I recommend that the above-referenced improvements be accepted by the City
of Iowa City.
Sincerely,
~7~
Ronald R. Knoche, P.E.
City Engineer
....,
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Prepared by: Brian Boelk, Civil Engineer, 410 E. Washington St, Iowa City, IA 52240 (319) 356-5437
RESOLUTION NO,
06-159
RESOLUTION ACCEPTING THE WORK FOR THE GRAND AVENUE
IMPROVEMENTS PROJECT.
WHEREAS, the Engineering Division has recommended that the work for construction of
the Grand Avenue Improvements Project, as included in a contract between the City, of
Iowa City and All American Concrete, Inc, of West Liberty, Iowa, dated February 25 h,
2005, be accepted; and
WHEREAS, the performance and payment bond has been filed in the City Clerk's office.
WHEREAS, the final contract price is $248,875.60
NOW, THEREFORE, BE IT RESOLVED BY THE CITY COUNCIL OF THE CITY OF
IOWA CITY, IOWA, THAT said improvements are hereby accepted by the City of Iowa
City, Iowa,
Passed and approved this 23rd day of Mav , 2006.
~C-" JjJ2~
Mayor
ATTEST:~~ ...;:.~
City lerk
Approved by:
Ii~ C-/(7//l1V
City Att~ce
Kesolution No.
Page 7
06-159
It was moved by Champion and seconded by Vanderhoef
adopted, and upon roll call there were:
the Resolution be
AYES:
NAYS:
ABSENT:
Bailey
Champion .
Correia
Elliott
O'Donnell
Vanderhoef
Wilburn
x
x
x
x
x
x
x