CITY OF NORWALK

PURCHASING DEPARTMENT

08052025

SEALED BIDS MUST BE RECEIVED BY THE OFFICE OF THE PURCHASING AGENT, 125 EAST AVENUE

NORWALK, CT 06856 BY THE DATE AND TIME OF BID OPENING

PROJECT NUMBER: 4479

REQUESTING DEPARTMENT: Building Management

DATE OF BID ISSUANCE: 11/25/2025

TITLE OF BID: NPD Fuel Island Pump Replacement

RFI/QUESTION DEADLINE: 2:00 PM 12/10/2025

ELECTRONIC SUBMISSION DEADLINE: 2:00 PM 12/17/2025

HARD COPY SUBMISSION DEADLINE: 2:00 PM 12/19/2025

MANDATORY WALKTHROUGH:

DATE, TIME, AND LOCATION OF

WALKTHROUGH

YES ( ) NO ( X)

12/04/2025, 11:00AM, Norwalk Police Dept.

1 Monroe Street, Norwalk CT

TIME/DATE OF BID OPENING: 2:00 PM 12/19/2025

BID DEPOSIT REQUIRED:

IF YES, AMOUNT REQUIRED

YES (X ) NO ( )

10%

SUCCESSFUL BIDDERS ONLY:

PERFORMANCE & PAYMENT BOND

REQUIRED:

IF YES, AMOUNT REQUIRED

YES (X) NO ( )

100%

SUCCESSFUL BIDDERS ONLY:

MAINTENANCE BOND REQUIRED: YES (X) NO ( )

ALL TERMS AND CONDITIONS, SPECIFICATIONS AND BID FORMS ARE ATTACHED HERETO.

NOTE: THE FOLLOWING DOCUMENTS WILL BE REQUIRED FOR A BID TO BE COMPLIANT

1. SECTION 1 -1.5 FORMS ONLY BIDDER’S INFORMATION AND ACKNOWLEDGEMENT FORM,

INCLUDING PRICING SHEETS, EXCEPTIONS TAKEN, IF ANY, ADDENDA ACKNOWLEDGMENT

FORMS, ANY OTHER REQUIREMENTS INDICATED IN SPECIAL NOTES SECTION, AND BID

SECURITY IF REQUIRED (ONE ORIGINAL PLUS TWO (2) COPIES)

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NOTICE TO BIDDERS

1. ALL BIDS WILL BE OPENED PROMPTLY AT THE ADVERTISED TIME OF OPENING. THERE WILL BE

NO DELAYS OR POSTPONEMENTS WHICH ARE NOT PUBLICLY ADVERTISED. ANY BID RECEIVED

AFTER THE ADVERTISED TIME OF OPENING WILL NOT BE ACCEPTED.

2. IF A BIDDER USES A COURIER SERVICE FOR BID DELIVERY, IT SHALL BE THE BIDDER’S

RESPONSIBILITY THAT THE BID REACHES THE PURCHASING DEPARTMENT BY THE DATE AND

TIME SPECIFIED HEREIN.

3. ALL BIDS SUBMITTED TO THE CITY MUST BE IN A CLEARLY MARKED AND SEALED ENVELOPE.

REFERENCE THE PROJECT NUMBER ON THE OUTSIDE OF THE ENVELOPE.

4. OBLIGATION OF BIDDERS:

a. AT THE TIME OF OPENING BIDS, EACH BIDDER SHALL BE PRESUMED TO HAVE

INSPECTED THE SITES AND TO HAVE MADE HIM/HERSELF THOROUGHLY FAMILIAR

WITH THE PLANS AND CONTRACT DOCUMENTS, INCLUDING ALL ADDENDA. THE

FAILURE OR OMISSION OF ANY BIDDER TO RECEIVE OR EXAMINE ANY FORM,

INSTRUMENT OR DOCUMENT SHALL IN NO WAY RELIEVE ANY BIDDER FROM ANY

OBLIGATION IN RESPECT TO THEIR BID.

b. EACH BIDDER MUST FULLY INFORM HIM/HERSELF OF THE CONDITIONS RELATING TO

THE WORK WHICH WILL BE PERFORMED. FAILURE TO DO SO WILL NOT RELIEVE THE

SUCCESSFUL BIDDER OF HIS/HER OBLIGATION TO FURNISH ALL LABOR AND

MATERIALS NECESSARY TO CARRY OUT THE PROVISIONS OF THE CONTRACT

DOCUMENTS AND TO COMPLETE THE CONTEMPLATED WORK. IN AS MUCH AS

POSSIBLE, THE CONTRACTOR MUST, IN CARRYING OUT HIS/HER WORK, EMPLOY SUCH

MEANS AND METHODS AS WILL NOT CAUSE ANY INTERRUPTIONS OR INTERFERENCE

WITH THE WORK OF ANY OTHER CONTRACTOR.

5. TIME IS OF THE ESSENCE (IF APPLICABLE):

a. IF THE PROJECT IS NOT COMPLETED BY THE DATE SPECIFIED AS THE SUBSTANTIAL

COMPLETION DATE IN THE CONTRACT ENTERED INTO BY THE CITY AND THE

CONTRACTOR, THE CONTRACTOR WILL BE SUBJECT TO CONSEQUENTIAL AND/OR

LIQUIDATED DAMAGES.

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GENERAL INFORMATION

1.1 INTRODUCTION

The City of Norwalk is requesting bids for the replacement of the fuel island located at the Norwalk Police Department. The requirements of this project are outlined in greater detail under Section 2 Scope of Work/Project Specifications.

1.2 BID DOCUMENTS

All Bid documents for this invitation are available over the internet at http://www.norwalkct.gov. Adobe Acrobat reader is required to view this document. If you do not have this software you may download it for free from Adobe.

1.3 ADDENDA

All addenda, if issued will be available over the internet at http://www.norwalkct.gov. We strongly suggest that you check for any addenda a minimum of forty-eight hours in advance of the bid deadline. It is the responsibility of the bidder to check for issuance of any addenda.

1.4 BIDDER’S LIST

Bidder’s list for this solicitation will not be published.

1.5 QUESTIONS CONCERNING THIS BID

All questions concerning this solicitation must be directed, via e-mail, to Sharon Conners, Purchasing Agent at sconners@norwalkct.gov. The deadline for the submission of questions is 2:00 pm, December 10, 2025.

1.6 SUBMISSION OF BID

The City of Norwalk is requesting electronic submission along with hard copy submission.

All participants are required to submit both by the said date and time. Hard copy submission must match the electronic submission and will be the official accepted submission. The City of Norwalk has the right to reject any submission that does not meet this criteria.

All sealed electronic submissions must be submitted in Bonfire no later than December 17, 2025, at 2:00PM.

All sealed hard copy Bids should be submitted to the City of Norwalk’s Purchasing Department no later than December 19, 2025, at 2:00 PM at the address listed below:

City of Norwalk Purchasing Department 125 East Avenue, Room 211 Norwalk, CT 06856-5125

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1.7 SUMMARIES

A list of the proposing firms will be available any time after 5:00 pm on the day of the opening at Purchasing-Bid Postings. Results will not be provided over the phone.

SPECIAL NOTES:

1.) PROJECT SCHEDULE: Begin March 2026 2.) A Non-Mandatory pre-bid conference and walkthrough will be held at 11:00 am, December 4, 2025, at Norwalk Police Department, 1 Monroe Street, Norwalk CT. We will meet in the lobby.

i. Please note that no additional walkthroughs are planned for this facility.

Subcontractors are encouraged to attend the scheduled pre-bid conference.

3.) BUILDING PERMITS - Contractors shall obtain and pay for all required permit(s) for this project. Permit fees are NOT waived for this project.

4.) References to Department of Public Works, Director of Public Works, and Engineer in section 3 and section 4 are to be interpreted as "Owner's designated representative".

5.) Section 4, Item 109-04-2b, page 79, Contractor Charges is changed to read "...profit and overhead shall be figured at fifteen (15) percent unless some other basis is approved by the Director."

6.) Section 3.8, Liquidated Damages, change to read “Liquidated damages as defined in Article 27 of the Norwalk General Conditions for Construction will be $200.00 per day.

7.) Contractors are hereby reminded that all submitted bid amounts MUST include all costs/insurance premium required to satisfy the various insurance limits as identified in these documents.

8.) Contractors are hereby advised that the determination of the lowest responsible bidder will be based on the Sum of the Base Bid(s) and the Alternate item(s) selected by the City in its best interest. Said determination by the City would be final.

9.) Prevailing Wage Rates shall apply to these services. All labor required for this project shall comply with the State of Connecticut. A copy of the State of Connecticut prevailing wage rates is included or to be provided via bid addendum prior to bid opening as a component of this solicitation. See Section 5 for this information.

10.) Prevailing Wages Projects: It is a requirement to submit certified payroll at minimum weekly.

11.) IMPORTANT Submission Information: As of 08/10/2020, a new interior Customer Service window opened inside City Hall that will help serve the public during the COVID- 19 pandemic. The window is staffed by Customer Service representatives Monday – Friday from 9 a.m. – 3:00 p.m. If you are planning to use the Customer Service window to drop off your submission, it is recommended to drop off the submission as early as possible since the team will be serving other customers.

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08052025

It is still recommended to use a courier service (i.e. FedEx, UPS, USPS, DHL, etc.) to deliver the submission to the above address by the due date and time.

12.) Public Opening: Per the City of Norwalk Purchasing Guidelines , Bids shall be opened publicly by the Purchasing Agent or his designee, in the presence of one or more witnesses at the time and place designated in the Invitation for Bids. The amount of each bid, and such other relevant information as may be specified by the bid, together with the name of each bidder shall be recorded; the record and each bid shall be open to public inspection. If you wish to hear the bid/RFP opening, please join us through a teleconference.

Access Number: (866) 640-4044 or (678) 302-3554

Participant Code: 968 704

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SECTION 1 – FORMS OF PROPOSAL

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BIDDER’S INFORMATION AND ACKNOWLEDGMENT FORM

Bidder’s Name

Street Address

City State Zip

Business Telephone:

Email Address:

Printed Name and Title of Individual Submitting Bid

The undersigned acknowledges that the terms, conditions and specifications of this bid are understood and unconditionally accepted.

Signature Date

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Exceptions: Note any vendor(s) responding to this proposal shall indicate any/all exceptions (if any) taken to language in this proposal. BIDDERS MAY NOT TAKE EXCEPTION TO

SUBSTANTIVE TERMS OF STANDARD CONTRACT FORMS PROVIDED IN THE RFP/RFQ/ITB.

Exceptions must be declared below in order to be considered by the City:

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1.1 RESPONSE FORM

Vendor Name -

Address -

Phone -

Fax -

Email -

Manager -

Fed ID#

The undersigned hereby declares that they have carefully examined the plans, specifications and project site and has satisfied themselves as to all the quantities and conditions and understands that in signing this proposal they waives all right to plead any misunderstanding regarding the same.

The undersigned further understands and agrees that they will furnish and provide all the necessary material, machinery, implements, tools, labor, services, and other items of whatever nature, and to do and perform all the work necessary under the aforesaid conditions, to carry out the contract and to accept in full compensation therefore the amount of the contract as agreed to by the Contractor and the City.

The undersigned further agrees, in case of variations of quantities from those shown or specified, the following unit prices will be used in adjusting the contract price. If quantities are authorized by the City, the following amount will be added to the contract as required. Unless otherwise noted, each UNIT PRICE shall include all equipment, tools, labor, permits, fees, etc., incidental to the installation and completion of the work involved.

It is further understood and agreed that all the information included in, and attached to, or required by the Request for Bid shall become public record upon delivery to the City.

1. The following prices shall apply to this project:

Total Lump Sum Bid

Total Lump Sum Bid in Words

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2.

Submitted by:

Print Name of Authorized Agent of Company

Signature of Authorized Agent of Company

Date

The above signatory acknowledges receipt of the following addenda issued during the bidding period and understands that they are a part of the bidding documents (if applicable):

Addendum # Dated Addendum # Dated

Bid Security in the form of a (check one) is attached.

Bond

Certified Check

Cost for performance bond included in lump sum per thousand dollars

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1.2 STATEMENT OF BIDDERS QUALIFICATIONS

Please answer the following questions regarding your company's past performance. Failure to reply to this instruction may be regarded as justification for rejecting a bid.

1. Number of years in business:

2.

Number of personnel employed: Part Time Full Time

3. List projects of this type/size your firm has completed within the last three (3) years:

Project

Date

Contact Person

Phone No.

4. SUBCONTRACTORS: If subcontractors are to be used, please list firm name, address, name of principal, and phone number below or on a separate sheet. Also, indicate the portion or section of work a subcontractor will be performing.

COMPANY NAME

ADDRESS

PRINCIPAL

PHONE

PORTION/SECTION OF

WORK

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5. ORGANIZATIONAL STRUCTURE OF

BIDDER (check which applies) general partnership limited partnership limited liability corporation limited liability partnership, corporation doing business under a trade name individual doing business under a trade name other (specify)

6. STATUS OF THE BUSINESS AND ITS CURRENT

STANDING WITH THE SECRETARY OF STATE'S

OFFICE; e.g., are all required filings current and in good standing or has the entity been withdrawn or canceled

Connecticut corporations - Will the Secretary of State be able to issue a Certificate of Good Standing within 30 days of the bid opening?

Yes

No

Out-of-State corporations - Do you have a valid license to do business in the State of Connecticut? (Evidence in the form of a Certificate of Authority from the Connecticut Secretary of State will be required within 30 days of the bid opening.)

Yes

7. Provide CT eLICENSE (https://www.elicense.ct.gov) and Business Registration (https://business.ct.gov/?language=e n_US)

8. Is your local organization an affiliate of a parent company? If so, indicate the principal place of business of your company and the name of the agent for service if different from what has been indicated on the response form:

Business Name Address City State Zip

Name of Agent

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NOTE: In the case of a Limited Liability Corporation or a Limited Liability Partnership a certified copy of the Articles of Organization certified as valid and in effect as of the date of the bid opening will be required within 30 days of the bid opening. A listing of the corporate officers, in the case of a corporation; the general or managing partners, in the case of a partnership; or the managers and members in the case of either a limited liability partnership or company will be required within 30 days of the bid opening.

9. The awarded contractor may be required to submit one copy of the following information relative to its company's financial statements prior to contract signing. This information must represent the current circumstance which surrounds the financial position of the bidding organization. Note: This information will be kept confidential if provided in a separate envelop from your bid pricing.

All information should be supported with appropriate audited financials.

a. Book Value (Total Assets (-) Total Liabilities)

b. Working Capital (Current Assets (-) Current Liabilities

c. Current Ratio (Current Assets/Current Liabilities)

d. Debt to Equity Ratio (Long Term Debt/Shareholder's Equity)

e. Return on Assets (Net Income/Total Assets)

f. Return on Equity (Net Income/Shareholder's Equity)

g. Return on Invested Capital (Net Income/Long Term Debt = Shareholders' Equity)

All responses to this questionnaire are understood to be proprietary to the vendor, and will be considered confidential. Additional information may be requested subsequent to your responding to this bid request.

1.3 CITY OF NORWALK VENDOR RECORDS

If you have not done business with the City of Norwalk as a vendor, your business information needs updating or your vendor record has not been updated over three (3) years. Please complete and include the latest version of Internal Revenue Service (IRS) W-9 Form with your submission. Here is the URL to the IRS website: https://www.irs.gov/forms-pubs/about-form-w-9

1.4 INSURANCE

Insurance Agency Name: Tel:

Agency Address: Email:

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1.5 CITY OF NORWALK VENDOR QUESTIONNAIRE – IT INFORMATION SECURITY

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City of Norwalk Vendor Questionnaire

IT Information Security

Rev 8.4.22

1. Third-Party Contact Information (please provide the POC for follow-up questions to this questionnaire):

Vendor Name, Address, Point-of-Contact Name, Phone Number and Email

2. Description of Services/Products: Please provide a detailed description of services/products your organization aims to provide to the City?

3. System and Equipment Access: Will your organization use your own systems and equipment to perform the services, or will your organization need access to the City’s systems, equipment and network? (Yes or

No, If Yes, please explain)

YES ☐ NO ☐

4. Description of Data: Are you using data from the City in order provide the services/product to the City

(Yes or No, if Yes proceed to 3.1)

a. What data is needed to provide the services/products to the City?

Example: Name, Social Security Number, Trade Information, Source Code, Payroll or Accounts Payable data, student or patient data, Law Enforcement data, any Personally Identifiable Information (PII), etc.

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If your answers to Questions 3 and 4 are BOTH “NO”, thank you for completing the IT

Information Security Questionnaire.

If one or both questions are “YES”, please complete the remaining questions.

5. Office Locations: How many office locations does your organization have? Please include the locations of your organization.

6. Data Center Locations: How many data centers does your organization utilize to provide services/products to the City? Please include the locations of the data centers utilized by your organization.

7. Business Entity: What is your business entity type?

*Example: Sole Proprietorship, Partnership, C Corporation, S Corporation, Limited Liability Corporation (LLC), Limited Liability Partnership (LLP)

8. How many employees and contingent workers do you have in your organization?

1-10 ☐ 10-50 ☐ 50-100 ☐ 100-500 ☐ 500-1000 ☐ 1000 or more ☐

9. Physical Access: Does your organization need to be onsite or offsite to provide services/products to the City?

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10. Access to Data: How is your organization accessing City data?

*Example: Is the data supposed to be sent to your organization via email or will the data need to be uploaded to an application?

*Note: For third-parties that are providing an application to perform the services, please specify whether the application will be an internally hosted solution, cloud-based solution (i.e. SaaS, IaaS, PaaS), or a traditional web-based application (i.e. eBay, WebEx, online banking application)

11. Data Storage: Does your organization outsource data storage or does your organization utilize its own databases to store data? Does your organization store data outside of the United States?

YES ☐ NO ☐

12. Segregation of Data: Does your organization’s database structure allow segregation of sensitive client data?

YES ☐ NO ☐

13. Independent Attestations: Does your organization have independent attestations such as (i.e. ISO 27001, SSAE-18 SOC-1, SOC-2, PCI- DSS, ISO 9001)?

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14. Information Security

a. Does your organization have written information security policies and procedures (WISP)?

b. How often are the information security policies and procedures reviewed and updated?

c. Who in the organization is responsible for reviewing and updating the information security policies and procedures?

d. Does your organization have privacy policies and procedures?

e. How often are the privacy policies and procedures updated?

f. Who in the organization is responsible for reviewing and updating the privacy policies and

g. What methods of encryption are utilized for data at rest and in transit?

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h. Are the encryption methods utilized FIPS 140-2 approved?

i. Does your organization utilize firewalls to filter incoming data and information from the internet into your company network?

j. Does your organization perform penetration testing at least once per year to determine if unauthorized access to the computer network and malicious activity is possible externally?

k. Does your organization perform vulnerability testing at least once per year in order to identify vulnerabilities within the internal network?

l. Does your organization perform background checks on employees and contingent workers prior to onboarding them? Describe the nature of these background checks (i.e., criminal, credit, international, etc.).

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m. Does your organization utilize multi-factor authentication?

n. Does your organization utilize scan cards or biometric scans to grant employees and contingent workers access to the building and data centers where data is stored?

o. If offering a technology product, does the organization utilize software development life cycle (SDLC) or

Agile to build and maintain technological product?

p. Does the technological product undergo information security testing and quality assurance testing prior to deployment?

q. Does the Vendor provide annual Cybersecurity Awareness training to their employee?

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r. Does the Vendor provide annual phishing simulations for their employee?

s. Have users been educated on how to report suspected security violations or vulnerabilities?

t. Does the Vendor have an employee identified as the Chief Information Security Officer?

u. Are all the Vendor laptops encrypted?

v. Are all Vendor computers (workstations, notebooks) required to join the Company’s domain and receive Group Policies?

w. Does the Vendor meet the NIST 800-63 password guidelines?

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15. Risk Management

a. Does your organization have an enterprise risk management framework implemented at your organization?

b. Does your organization have documented enterprise risk management policies and procedures?

c. Who in the organization is responsible for reviewing the enterprise risk management policies and

d. Does your organization utilize an outside third-party to provide services/products to the client?

e. Does your organization have a third-party risk management program (TPRM)?

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f. Does your organization include right-to audit clauses in contracts with third parties?

g. Does your organization have a certificate of insurance (COI)? Please attach a copy of your COI.

Business Continuity/Disaster Recovery

a. Does your organization have a business continuity plan?

b. How often is the business continuity plan updated?

c. Does your organization conduct business continuity tests once per year?

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d. Does your organization have a disaster recovery plan?

e. How often is the disaster recovery plan updated?

f. Does your organization conduct disaster recovery tests once per year?

g. Does your organization have business continuity and/or disaster recovery sites?

h. Are the business continuity/disaster recovery sites located in the United States or outside the

United States? Please include the locations of business continuity/disaster recovery sites?

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SECTION 2 – SCOPE OF WORK / PROJECT SPECIFICATIONS

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2.1 Specifications and Plans

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03 30 00 - 1

SECTION 03 30 00

CAST-IN-PLACE CONCRETE

PART 1 -GENERAL

1.01 DESCRIPTION OF WORK:

A. Work Included: This Section specifies cast-in-place concrete, including formwork, reinforcement, concrete materials, mixture design, placement procedures, and finishes for the following:

1. Dispenser Island Pad

2. Fuel Island Drive Pad

B. Items To Be Installed Only: Not applicable.

C. Items To Be Furnished Only: Not applicable.

D. Related Work: The following items are not included in this Section and will be performed under the designated Sections:

1. Section 31 00 00, EARTHWORK; Excavation and establishment of subgrade elevations.

1.02 SUBMITTALS:

A. Product data for proprietary materials and items, including reinforcement and forming accessories, admixtures, patching compounds, water-stops, joint systems, curing compounds, dry-shake finish materials, and others if requested by the

Engineer or SER.

B. Shop drawings for reinforcement detailing, fabricating, bending, and placing concrete reinforcement. Comply with ACI 315 “Manual of Standard Practice for

Detailing Reinforced Concrete Structures”. Include bar sizes, lengths, material, grade, bar schedules, stirrup spacing, bent bar diagrams, bar arrangement, splices and laps, mechanical connections, tie spacing, hoop spacing and supports for concrete.

C. Concrete mix design for each mix specified. Supporting test data shall be submitted if requested.

1. Submit alternate mix designs when the characteristics of materials, project conditions, weather, test results, or other circumstances warrant adjustments.

2. Indicate the amounts of mixing water to be withheld for later addition at the

Project site.

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03 30 00 - 2

D. Proposed method of curing and associated products.

E. Proposed precautions for hot weather and cold weather concreting.

F. Laboratory test reports for concrete materials and mix design test.

G. Material test reports for the following, from a qualified testing agency, indicating compliance with specification requirements:

1. Aggregates. Include service record data indicating absence of deleterious expansion of concrete due to alkali aggregate reactivity.

H. Material certificates for each of the following, signed by the manufacturers:

1. Cementitious material.

2. Admixtures

3. Form materials and form-release agents.

4. Steel reinforcement and accessories.

5. Petroleum Resistant Sealant

6. Curing compounds.

1.03 QUALITY ASSURANCE:

A. Manufacturer Qualifications: A firm experienced in manufacturing ready-mix concrete products that complies with ASTM C 94 requirements for production facilities and equipment.

1. Manufacturer certified according to NRMCA’s “Certification of Ready Mixed

Concrete Production Facilities.”

B. Testing Agency for Mix Design Qualifications: An independent agency, registered in the Commonwealth of Massachusetts as an approved testing agency, qualified according to ASTM C 1077 and ASTM E 329 for testing indicated, as documented according to ASTM E 548.

1. Personnel conducting field tests shall be qualified as ACI Concrete Field

Testing Technician, Grade 1, according to ACI CP-01 or an equivalent certification program.

2. Personnel performing laboratory tests shall be ACI certified Concrete

Strength Testing Technician and Concrete Laboratory Testing Technician –

Grade 1. The Testing Agency Laboratory supervisor shall be an ACI certified

Concrete Laboratory Testing Technician – Grade II.

C. Source Limitations: Obtain each type of class of cementitious material of the same brand from the same manufacturer’s plant, obtain aggregate from one source, and obtain admixtures through one source from a single manufacturer.

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03 30 00 - 3

D. ACI Publications:

1. Comply with the following unless modified by requirements in the Contract

Documents:

a. ACI 117, “Standard Specifications for Tolerances for Concrete

Construction and Materials.”

b. ACI 211.1, “Recommended Practice for Selecting Proportions for

Normal and Heavyweight Concrete.”

c. ACI 214, “Evaluation of Strength Test Results of Concrete.”

d. ACI 301, “Specification for Structural Concrete.”

e. ACI 304, “Guide for Measuring, Mixing, Transporting and Placing

Concrete.”

f. ACI 305, “Hot Weather Concreting.”

g. ACI 306, “Cold Weather Concreting.”

h. ACI 308, “Guide to Curing Concrete.”

i. ACI 309, “Guide for Consolidation of Concrete.”

j. ACI 311.1, “ACI Manual of Concrete Inspection.”

k. ACI 315, “Details and Detailing of Concrete Reinforcement.”

l. ACI 318, “Building Code Requirements for Structural Concrete and

Commentary.”

m. ACI 347, “Guide for Formwork for Concrete.”

2. Where the language in any of the documents referred to herein is in the form of a recommendation or suggestion, such recommendations or suggestions shall be deemed to be mandatory under this Contract.

E. American Society for Testing and Materials (ASTM):

1. ASTM C309 "Liquid Membrane-Forming Compounds for Curing Concrete."

2. ASTM C494 "Standard Specification for Chemical Admixtures for Concrete."

3. ASTM C979 "Standard Specification for Pigments for Integrally Colored

Concrete."

F. American Association of State Highway and Transportation Officials (AASHTO):

1. AASHTO M194 "Chemical Admixtures."

1.04 DELIVERY, STORAGE, AND HANDLING:

A. Steel Reinforcement: Deliver, store, and handle steel reinforcement to prevent bending and damage.

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03 30 00 - 4

B. Waterstops: Store waterstops under cover to protect from moisture, sunlight, dirt, oil, and other contaminants.

PART 2 - PRODUCTS

2.01 STEEL REINFORCEMENT:

A. Reinforcing Bars: ASTM A 615, Grade 60, deformed.

1. Provide reinforcing bars conforming to ASTM A706, Grade 60, deformed, if welding is required.

B. Plain Steel Wire: ASTM A 82, as drawn.

C. Plain-Steel Welded Wire Reinforcement: ASTM A 185, plain, fabricated from as-drawn steel wire into flat sheets.

2.02 CONCRETE MATERIALS:

A. Cementitious Material: Use the following cementitious materials, of the same type, brand, and source, throughout the Project:

1. Portland Cement: ASTM C 150, Type I/II. Supplement with the following:

B. Fly Ash: ASTM C 618, Class C or F.

C. Ground Granulated Blast Furnace Slag: ASTM C 989, Grade 100 or 120.

D. Cementitious Materials: Percentage, by weight, of cementitious materials other than Portland cement in concrete as follows:

1. Fly Ash or Ground Granulated Blast Furnace Slag: 25 percent, minimum.

2. Combined Fly Ash and Pozzolan: 35 percent, maximum.

3. Ground Granulated Blast Furnace Slag: 50 percent, maximum.

4. Combined Fly Ash or Pozzolan and Ground Granulated Blast Furnace Slag:

50 percent Portland cement minimum, with fly ash or pozzolan not exceeding

35 percent.

E. Normal-Weight Aggregates: ASTM C 33, Class 3S coarse aggregate or better, graded. Provide aggregates from a single source.

1. Maximum Coarse Aggregate Size: ¾-inch nominal.

2. Fine Aggregate: Free of materials with deleterious reactivity to alkali in cement.

F. Water: ASTM C 94 and potable.

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2.03 ADMIXTURES:

A. Air-Entraining Admixture: ASTM C 260.

B. Chemical Admixtures: Provide admixtures certified by manufacturer to be compatible with other admixtures and that will not contribute water-soluble chloride ions exceeding those permitted in hardened concrete. Do not use calcium chloride or admixtures containing calcium chloride.

1. Water-Reducing Admixture: ASTM C 494, Type A.

2. Retarding Admixture: ASTM C 494, Type B.

3. Water-Reducing and Retarding Admixture: ASTM C 494, Type D.

4. High-Range, Water-Reducing Admixture: ASTM C 494, Type F.

5. High-Range, Water-Reducing and Retarding Admixture: ASTM C 494, Type

G.

6. Plasticizing and Retarding Admixture: ASTM C 1017, Type II.

C. Set-Accelerating Corrosion-Inhibiting Admixture: Commercially formulated, anodic inhibitor or mixed cathodic and anodic inhibitor,; capable of forming a protective barrier and minimizing chloride reactions with steel reinforcement in concrete and complying with ASTM C 494, Type C.

1. Products:

2. Euclid Chemical Company; Eucon CIA.

3. Grace Construction Products, W.R. Grace & Co.; DCI.

4. BASF Admixtures, Inc.; Rheocrete CNI.

5. Sika Corporation; Sika CNI.

D. Non-Set-Accelerating Corrosion-Inhibiting Admixture: Commercially formulated, non-set-accelerating, anodic inhibitor or mixed cathodic and anodic inhibitor;

capable of forming a protective barrier and minimizing chloride reactions with steel reinforcement in concrete.

1. Products:

a. Grace Construction Products, W.R. Grace & Co.; DCI-S.

b. Sika Corporation: Sika FerroGard 903

c. Euclid Chemical: Eucon BCN

E. Concrete Moisture Vapor Reduction Admixture: Refer to Specification Section 03

05 10.

F. Integral Crystalline Waterproofing Admixture. Incorporate into concrete mix design per the manufacturer’s recommendations.

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1. Products:

a. Penetron Admix, Penetron International Ltd.

b. Xypex Admix C-500, Xypex

c. Aquafin-IC Admix, Aquafin Inc.

2.04 FUEL SYSTEM DISPENSER ISLAND AND DRIVE PAD TREATMENT:

A. Clear solvent free silane treatment that is UV stable and vapor permeable to reduce water and chloride ion intrusion.

1. Products:

a. Sikagard 740 W by Sika Corporation

b. MasterProtect H 1000 (formerly Hydrozo 100) by BASF

c. Intraguard by W.R. Meadows

d. Or approved equal

2.05 CURING MATERIALS:

A. Absorptive Cover: AASHTO M 182, Class 2, burlap cloth made from jute or kenaf, weighing approximately 9 oz. /sq. yd. when dry.

B. Moisture-Retaining Cover: ASTM C 171, polyethylene film or white burlap-polyethylene sheet.

C. Water: Potable.

D. Clear, Waterborne, Membrane-Forming Curing and Sealing Compound: ASTM C

1315, Type 1, Class A.

1. Products:

a. Conspec Marketing & Manufacturing Co., Inc., a Dayton Superior

Company; Sealcure 1315 WB.

b. Euclid Chemical Company; Super Diamond Clear VOX.

c. Lambert Corporation; UV Safe Seal.

d. L&M Construction Chemicals, Inc.; Lumiseal WB Plus.

e. Meadows, W.R., Inc.; Vocomp-30.

f. Symons Corporation, a Dayton Superior Company; Cure & Seal 31

Percent E.

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2.06 REPAIR MATERIALS:

A. Repair Underlayment: Cement based, polymer-modified, self-leveling product that can be applied in thicknesses from 1/8-inch and that can be feathered at edges to match adjacent floor elevations.

1. Cement Binder: ASTM C 150, Portland cement or hydraulic or blended hydraulic cement as defined in ASTM C 219.

2. Primer: Product of underlayment manufacturer recommended for substrate, conditions, and application.

3. Aggregate: Well-graded, washed gravel, 1/8-inch to ¼-inch or coarse sand as recommended by the underlayment manufacturer.

4. Compressive Strength: Not less than 4100 psi at 28 days when tested in accordance with ASTM C 109.

B. Repair Overlayment: Cement based, polymer-modified, self-leveling product that can be applied in thicknesses from 1/8-inch and that can be feathered at edges to match adjacent floor elevations.

1. Cement Binder: ASTM C 150, Portland cement or hydraulic or blended hydraulic cement as defined in ASTM C 219.

2. Primer: Product of underlayment manufacturer recommended for substrate, conditions, and application.

3. Aggregate: Well-graded, washed gravel, 1/8-inch to ¼-inch or coarse sand as recommended by the topping manufacturer.

4. Compressive Strength: Not less than 5000 psi at 28 days when tested in accordance with ASTM C 109.

2.07 CONCRETE MIXTURES, GENERAL:

A. Prepare design mixtures for each type and strength of concrete, proportioned on the basis of laboratory trial mixture or field test data, or both, according to ACI 301.

1. Use a qualified independent testing agency for preparing and reporting proposed mixture designs based on trial mixtures.

B. Cementitious Materials: Limit percentage, by weight, of cementitious materials other than Portland cement in concrete as follows:

1. Fly Ash: 25 percent.

2. Combined Fly Ash and Pozzolan: 25 percent.

3. Ground Granulated Blast-Furnace Slag: 50 percent.

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4. Combined Fly Ash or Pozzolan and Ground Granulated Blast-Furnace Slag:

50 percent.

C. Limit water-soluble, chloride-ion content in hardened concrete to 0.15 percent by weight of cement.

D. Admixtures: Use admixtures according to manufacturer’s written instructions.

1. Use water-reducing, high-range water reducing or plasticizing admixture in concrete, as required, for placement and workability.

2. Use water-reducing and retarding admixture when required by high temperatures, low humidity, or other adverse placement conditions.

3. Use water-reducing admixture in pumped concrete, concrete for heavy-use industrial slabs and parking structure slabs, concrete required to be watertight, and concrete with a water cementitious materials ratio below 0.50.

4. Use retarding admixture in combination with Set accelerating Corrosion

Inhibitor. Retarder is not required for non-set accelerating corrosion inhibitor.

5. Use corrosion inhibiting admixture in concrete mixtures where indicated.

6. Use moisture vapor reduction admixture on all slabs to receive floor finishes.

Refer to Specification Section 03 05 10.

7. Use integral crystalline waterproofing admixture in concrete mixtures where indicated.

2.08 CONCRETE MIXTURES FOR BUILDING ELEMENTS:

A. Fuel Island Dispenser Pad and Drive Pad: Proportion normal-weight concrete mixture as follows:

1. Minimum Compressive Strength: 5000 psi at 28 days.

2. Maximum Water-Cementitious Materials Ratio: 0.45.

3. Slump Limit: 4-inches for concrete with verified slump of 2-inch to 4-inches before adding high-range water-reducing admixture or plasticizing admixture, plus or minus 1-inch.

4. Air Content: 6 percent, plus or minus 1.5 percent at point of delivery for 3/4-inch nominal maximum aggregate size.

5. Corrosion Inhibiting Admixture: Apply to all slabs at a rate of 4 gallons per cubic yard of concrete.

2.09 FABRICATING REINFORCEMENT:

A. Fabricate steel reinforcement according to CRSI’s “Manual of Standard Practice”.

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2.10 CONCRETE MIXING:

A. Ready-Mix Concrete: Measure, batch, mix, and deliver concrete according to

ASTM C94, and furnish batch ticket information.

B. When air temperature is between 85 and 90 degrees F, reduce mixing and delivery time from 1-1/2 hours to 75 minutes; when air temperature is above 90 degrees F, reduce mixing and delivery time to 60 minutes.

PART 3 - EXECUTION

3.01 GENERAL:

A. Coordinate the installation of joint materials, vapor retarder/barrier, and other related materials with placement of forms and reinforcing.

3.02 FORMWORK:

A. Design, erect, shore, brace, and maintain formwork, according to ACI 301, to support vertical, lateral, static, and dynamic loads, and construction loads that might be applied, until structure can support such loads.

B. Construct formwork so concrete members and structures are of size, shape, alignment, elevation, and position indicated, within tolerance limits of ACI 117.

C. Limit concrete surface irregularities, designated by ACI 347R as abrupt or gradual, as follows:

1. Class A, 1/8-inch for smooth-formed finished surfaces.

D. Construct forms tight enough to prevent loss of concrete mortar.

E. Fabricate forms for easy removal without hammering or prying against concrete surfaces. Provide crush or wrecking plates where stripping may damage concrete surfaces. Provide top forms for inclined surfaces steeper than 1.5 horizontal to 1 vertical.

1. Install keyways, reglets, recesses, and the like for easy removal.

2. Do not use rust-stained steel form-facing material.

F. Set edge forms, bulkheads, and intermediate screed strips for slabs to achieve required elevations and slopes in finished concrete surfaces. Provide and secure units to support screed strips; use strike-off templates or compacting-type screeds.

G. Chamfer exterior corners and edges of permanently exposed concrete.

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H. Form openings, chases, offsets, sinkages, keyways, reglets, blocking, screeds, and bulkheads required in the Work. Determine sizes and locations from trades providing such items.

I. Clean forms and adjacent surfaces to receive concrete. Remove chips, wood, sawdust, dirt, and other debris just before placing concrete.

J. Retighten forms and bracing before placing concrete, as required, to prevent mortar leaks and maintain proper alignment.

K. Coat contact surfaces of forms with form-release agent, according to manufacturer’s written instructions, before placing reinforcement.

3.03 STEEL REINFORCEMENT:

A. General: Comply with CRSI’s “Manual of Standard Practice” for placing reinforcement.

B. Clean reinforcement of loose rust and mill scale, earth, ice, and other foreign materials that would reduce bond to concrete.

C. Accurately position, support, and secure reinforcement against displacement.

Locate and support reinforcement with bar supports to maintain minimum concrete cover. Do not tack weld crossing reinforcing bars.

D. Set wire ties with ends directed into concrete, not toward exposed concrete surfaces.

E. Install welded wire reinforcement in longest practicable lengths on bar supports spaced to minimize sagging. Lap edges and ends of adjoining sheets at least one mesh spacing. Offset laps of adjoining sheet widths to prevent continuous laps in either direction. Lace overlaps with wire ties.

3.04 JOINTS:

A. General: Construct joints true to line with faces perpendicular to surface plane of concrete.

B. Construction Joints: Install so strength and appearance of concrete are not impaired, at locations indicated or approved by the Engineer.

1. Place joints perpendicular to main reinforcement. Continue reinforcement across construction joints, unless otherwise indicated. Do not continue reinforcement through sides of strip placements of floors and slabs.

2. Form keyed joints as indicated. Embed keys at least 1-1/2-inches into concrete.

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3. Locate joints for beams, slabs, joists, and girders in the middle third of spans.

Offset joints in girders a minimum distance of twice the beam width from a beam-girder intersection.

4. Locate horizontal joints in walls and columns at the underside of floors, slabs, beams, and girders and at the top of footings and floor slabs.

5. Space vertical joints in walls at 60-feet on center maximum. Locate joints besides piers integral with walls, near corners, and in concealed locations where possible.

6. Use a bonding agent at locations where fresh concrete is placed against hardened or partially hardened concrete surfaces.

7. Use epoxy-bonding adhesive at locations where fresh concrete is placed against hardened or partially hardened concrete surfaces.

C. Contraction Joints in Slabs-on-Grade: Form weakened-plane contraction joints, sectioning concrete into areas as indicated. Construct contraction joints for a depth equal to at least one-fourth of concrete thickness as follows:

1. Grooved Joints: Form contraction joints after initial floating by grooving and finishing each edge joint to a radius of 1/8-inch. Repeat grooving of contraction joints after applying surface finishes. Eliminate groover tool marks on concrete surfaces.

2. Sawed Joints: Form contraction joints with power saws equipped with shatterproof abrasive or diamond-rimmed blades. Cut 1/8-inch wide joints into concrete when cutting action will not tear, abrade, or otherwise damage surface and before concrete develops random contraction cracks.

D. Isolation Joints in Slabs-on-Grade: After removing formwork, install joint filler strips between tank pad and drive pad vertical faces. Terminate full width joint sealant ½” from finish concrete surface. Seal the top of joint with petroleum resistant sealant.

1. Install joint filler strips in lengths as long as practicable. Where more than one length is required, lace or clip sections together.

3.05 CONCRETE PLACEMENT:

A. Before placing concrete, verify that installation of formwork, reinforcement, and embedded items is complete and that required inspections have been performed.

B. Do not add water to concrete during delivery, at Project site, or during placement unless approved by Engineer.

C. Before test sampling and placing concrete, water may be added at Project site, subject to limitations of ACI 301.

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1. Do not add water to concrete after adding high-range water-reducing admixtures to mixture.

D. Deposit concrete continuously in one layer or in horizontal layers of such thickness that no new concrete will be placed on concrete that has hardened enough to cause seams or planes of weakness. If a section cannot be placed continuously, provide construction joints as indicated. Deposit concrete to avoid segregation.

1. Deposit concrete in horizontal layers of depth not to exceed formwork design pressures and in a manner to avoid inclined construction joints.

2. Consolidate placed concrete with mechanical vibrating equipment according to ACI 301.

3. Do not use vibrators to transport concrete. Insert and withdraw vibrators vertically at uniformly spaced locations to rapidly penetrate placed layer and at least 6-inches into preceding layer. Do not insert vibrators into lower layers of concrete that have begun to lose plasticity. At each insertion, limit duration of vibration to time necessary to consolidate concrete and complete embedment of reinforcement and other embedded items without causing mixture constituents to segregate.

E. Deposit and consolidate concrete in continuous operation, within limits of construction joints, until placement of panel or section is complete.

1. Consolidate concrete during placement operations so concrete is thoroughly worked around reinforcement and other embedded items and into corners.

2. Maintain reinforcement in position on chairs during concrete placement.

3. Screed slab surfaces with a straightedge and strike off to correct elevations.

4. Slope surfaces uniformly to drains where required.

5. Begin initial floating using bull floats or darbies to form a uniform and open-textured surface plane, before excess bleedwater appears on the surface. Do not further disturb slab surfaces before starting finishing operations.

F. Cold-Weather Placement: Comply with ACI 306.1 and as follows. Protect concrete work from physical damage or reduced strength that could be caused by frost, freezing actions, or low temperatures.

1. When average high and low temperature is expected to fall below 40 degrees

F for three successive days, maintain delivered concrete mixture temperature within the temperature range required by ACI 301.

2. Do not use frozen materials or materials containing ice or snow. Do not place concrete on frozen subgrade or on subgrade containing frozen materials.

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3. Do not use calcium chloride, salt, or other materials containing antifreeze agents or chemical accelerators unless otherwise specified and approved in mixture designs.

G. Hot-Weather Placement: Comply with ACI 301 and as follows:

1. Maintain concrete temperature below 90 degrees F at time of placement.

Chilled mixing water or chopped ice may be used to control temperature, providing water equivalent of ice is calculated to total amount of mixing water. Using liquid nitrogen to cool concrete is Contractor’s option.

2. Fog-spray forms, steel reinforcement, and subgrade just before placing of concrete. Keep subgrade uniformly moist without standing water, soft spots, or dry areas.

3.06 FINISHING FUEL ISLAND CONCRETE PADS:

A. General: Comply with ACI 302.1R recommendations for screeding, re-straightening, and finishing operations for concrete surfaces. Do not wet concrete surfaces.

B. Float Finish: Consolidate surface with power-driven floats or by hand floating if area is small or inaccessible to power driven floats. Re-straighten, cut down high spots, and fill low spots. Repeat float passes and re-straightening until surface is left with a uniform, smooth, granular texture.

1. Apply float finish to surfaces to receive trowel finish.

C. Trowel Finish: After applying float finish, apply first troweling and consolidate concrete by hand or power-driven trowel. Continue troweling passes and re-straightening until surface is free of trowel marks and uniform in texture and appearance.

D. Broom Finish: Apply a broom finish to fuel island tank pad and drive pad.

1. Immediately after float finishing, slightly roughen trafficked surface by brooming with fiber-bristle broom perpendicular to main traffic route.

Coordinate required final finish with Engineer before application.

3.07 CONCRETE PROTECTING AND CURING:

A. General: Protect freshly placed concrete from premature drying and excessive cold or hot temperatures. Comply with ACI 306.1 for cold-weather protection and ACI

301 for hot-weather protection during curing.

B. Unformed Surfaces: Begin curing immediately after finishing concrete. Cure unformed surfaces.

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C. Cure concrete according to ACI 308.1, by one or a combination of the following methods:

1. Moisture Curing: Curing all slabs in the project with moisture curing. Keep surfaces continually moist for not less than seven days with the following materials:

a. Water.

b. Continuous water-fog spray.

c. Absorptive cover, water saturated, and kept continuously wet. Cover concrete surfaces and edges with 12-inch lap over adjacent absorptive covers.

2. Moisture-Retaining Cover Curing: Cover concrete surfaces with moisture-retaining cover for curing concrete, placed in the widest practicable width, with sides and ends lapped at least 12-inches, and sealed by waterproof tape or adhesive. Cure for not less than seven days. Immediately repair any holes or tears during curing period using cover material and waterproof tape.

3. Curing Compound: Apply uniformly in continuous operation by power spray or roller according to manufacturer’s written instructions. Recoat areas subject to heavy rainfall within three hours after initial applications. Maintain continuity of coating and repair damage during curing period.

4. Curing and Sealing Compound: Apply uniformly…