ESBD_472995_1764194051446_NO. 26-06 Palm Street 2MG Hydropillar Rehabilitation.pdf

Bid #26-06 Page 1 of 69 Firm Name:____________________________ Initials:________

INVITATION FOR BID (IFB) NO. 26-06

“Palm Street 2MG Hydropillar Rehabilitation”

Table of Contents Tentative Schedule of Events Introduction General Instructions

Bid Submittals Information Award Terms of Contract Termination of Contract Special Terms & Conditions Preparation of Bid Written Modification Qualification of Responders Addenda & Interpretations Bid Bond Payment Bond Bond Information Change Orders Liquidated Damages Laws and Regulations Obligation of Responder Bid Tabulation

Information Scope of Work

1.01 – General

1.02 – Submittals

City of Huntsville 448 State Highway 75 N Huntsville, Texas 77320 Lucy Gonzalez Phone: 936-291-5495 Email: purchasing@huntsvilletx.gov

Sealed solicitations shall be received no later than:

2:00 P.M., Central Standard Time December 18, 2025

MARK ENVELOPE: “Solicitation Packet 26-06”

ALL PAGES MUST BE INITIALED AND RETURNED,

IF NOT BID MAY BE REJECTED.

RETURN SEALED IFB:

City of Huntsville City Secretary 448 State Highway 75 N Huntsville, Texas 77340

Bid #26-06 Page 2 of 69 Firm Name:____________________________ Initials:________

1.03 – Preparation

1.04 – Containment

1.05 – Environmental Requirements for Application

1.06 – Surface Preparation

1.07 – Coating and Linings

1.08 - Quality Control Plan

1.09 - Clean-up and Disposal

1.10 – Warranty

1.11 – Payment

1.12 - First Anniversary Inspection

1.13 – Tank Graphics

Technical Specifications

1. Scope Of Contract

2. Work To Be Accomplished – Two Million Gallon Elevated Water Tank

3. Repair Of Interior Seams Or Pits

4. Interior Surface Area Paint System

5. Exterior Surfaces Paint System

6. Disinfecting The Tank

7. Guarantee And Cleanup

8. Inspection

Coating & Painting for Steel Water Storage Tanks Part 1 - General

1.01 Scope

1.02 Related Work Specified Elsewhere (If Applicable)

1.03 Reference Specifications And Standards

1.04 Contractor

1.05 Quality Assurance

1.06 Safety And Health Requirements

1.07 Product Delivery, Storage & Handling

1.08 JOB CONDITIONS

Part 2 - Materials

2.01 Acceptable Manufacturers

2.02 General Requirements

2.03 Material Preparation

2.04 Tank Interior Coating Systems – Wetted Areas

2.05 Tank Interior Coating Systems - Dry Areas

2.06 Tank Exterior Coating Systems

Part 3 - Execution

3.01 General

3.02 Surface Preparation

3.03 Non-Visible Contaminants

3.04 Application, General

3.05 Coating Systems Application

3.06 Repairs

3.07 Solvent Vapor Removal

3.08 Disinfection

3.09 Clean Up

Photos Front Signage Elevation

Bid #26-06 Page 3 of 69 Firm Name:____________________________ Initials:________

Inspection Pricing Price Table Site Visit Safety Standards & Accident Prevention Insurance Requirements Conflict of Interest Certificate of Interested Parties Form 1295 House Bill 89 Senate Bill 252 References Non-Collusion Affidavit Bid Term & Conditions No-Bid Statement Responders Information

Tentative Schedule of Events

November 26, 2025 – Release Bid

November 29 and December 6, 2025 – Legal Advertisement

Mandatory Site Visit – December 9, 2025

December 11, 2025 – Questions Due to Procurement Manager

December 15, 2025 – Final Addendum Posted

December 18, 2025, 2:00 P.M. – Public Bid Opening

January/February 2026 – Award Preparation

Introduction The City of Huntsville, Texas (the “City”) is seeking sealed bids from qualified contractors for the rehabilitation of a Two Million Gallon (2MG) hydropillar rehabilitation. This solicitation is issued in accordance with Texas Local Government Code Chapter 252 and the City’s procurement policies. The

City is aware of the time and effort you expend in preparing and submitting bids and proposals to the City.

Please let us know if any bid requirements are causing you difficulty responding. We want to make the process as easy and painless as possible so that all responsible firms can compete for the City's business.

General Instructions IFB packets must be delivered in a sealed envelope to:

The City of Huntsville

Attention of City Secretary c/o Purchasing Department

City of Huntsville Service Center

448 State Highway 75 North

Huntsville, Texas 77320

Solicitation Packets must be received by

December 18, 2025, at 2:00 P.M. Central Time

Bid #26-06 Page 4 of 69 Firm Name:____________________________ Initials:________

It is the sole responsibility of responder to have packet at designated location prior to the deadline date and time. Each response must be sealed in an opaque envelope which has been clearly marked “Bid Packet #

26-06”. Responses received after December 18, 2025, 2:00 P.M. will not be considered for the award of the contract and shall be considered void and unacceptable. It is the responsibility of the responder to ensure that the bid packet is delivered to the designated location before the deadline. All late packets will be returned to responder unopened when properly marked. Public reading is scheduled to be held at the date and time listed above at City Hall, 1212 Avenue M, Huntsville, Texas. You are invited to attend.

All questions concerning the solicitation should be directed to the Procurement Manager, Lucy Gonzalez at e-mail purchasing@huntsvilletx.gov.

Bid Submittals Bidders submitting a response do so entirely at their expense. There is no expressed or implied obligation by the City of Huntsville to reimburse any individual or firm for any costs incurred in preparing or submitting a bid, for providing additional information when requested by the City of Huntsville, or for participating in any selection interviews.

Information Details on which commodities and services we purchase or have for sale is available from the Purchasing

Department. You may register on the City’s vendor management program at www.huntsvilletx.gov/bids to receive notice of bid opportunities. Additionally, you may register at www.publicpurchase.com.

Award The City of Huntsville will award based on best value* meeting the requirements for this service. The City of Huntsville reserves the right to award to the most responsible and responsive bidder in the best interest of the City. The City may award to multiple providers or to a single provider. If the awarded responder is unable to meet the requirements of the City, services/products may be purchased from the next best available responder and continue until a responder is found that can complete the requirements of the City of Huntsville. The City reserves the right to reject any bids that do not meet specifications stated herein or reject all bids should this project not be approved for any reason.

*Best Value: An assessment and/or award based on analysis of the total life cycle of the item. Combination criteria which can be used are: price, quality of item, location of responder, safety record of responder, past relationship with responder, and/or any relevant criteria specifically listed.

Terms of Contract

This contract shall be effective January 28, 2026 and will expire in 90 days: April 28, 2026.

Termination of Contract The City or the Contractor shall have the right to cancel at any time for any reason on thirty (30) day written notice. The City of Huntsville reserves the right to terminate this agreement if, in the opinion of the

City of Huntsville, the successful vendor’s performance is not acceptable, or if the deliveries and servicing of this contract do not conform to the requirements detailed herein. If though any cause, the vendor fails to fulfill its obligations, or if the vendor violates any of the agreements of this bid, the City has the right to terminate by giving the successful responder thirty (30) calendar days-written notice. During the thirty-day notification period, the City reserves the right to contact and award to other firms. The vendor will be compensated for the satisfactorily deliveries performed before the termination date. Contract may be terminated immediately should there be any illegal or unprofessional activities, alleged or otherwise, occurring or suspected of occurring.

mailto:purchasing@huntsvilletx.gov http://www.huntsvilletx.gov/bids http://www.publicpurchase.com/

Bid #26-06 Page 5 of 69 Firm Name:____________________________ Initials:________

Special Terms & Conditions It is understood that the City of Huntsville, Texas reserves the right to reject any or all products, services and/or qualification for any or all products and/or services covered in this solicitation and to waive informalities or defects or to accept such qualifications as it shall deem to be in the best interests of the

City of Huntsville. If less than three responses are received, the City of Huntsville reserves the right to rebid as it deems to be in the best interest of the City. Each elected responder will receive a purchase order as prices quoted. Responders must be able to complete the job within a reasonable time of request for service. Should awarded responder not be able to respond, the City reserves the right to offer service to next available responder. The City of Huntsville reserves the right to make the award of bid line items in whole, parts or to reject any and all bids or bid line items if it is determined to be in the best interest of the

City. The Bid Terms and Conditions reference any and all indemnification language that is required and not stated to the fullest extent of the law. The City of Huntsville has the sole last and final determination to determine award with no recourse to the fullest extent of the law.

Preparation of Bid Each solicitation must be submitted on the prescribed form. All blank spaces for prices must be filled in, in ink or typewritten and must be fully completed and executed when submitted. If the unit price and the total amount named for an item are not in agreement, the unit price alone will be considered as representing the responder's intention and the total will be corrected to conform thereto. The responder must sign their solicitation in the space provided on the responder’s form. If the solicitation is submitted by a partnership or corporation, the name and address of the partnership or corporation must be shown, together with the name and address of the partners or corporate officers. Solicitations submitted by a partnership must be signed by one of the partners. Solicitations submitted by a corporation must be signed by one of the corporate officials having, under the corporate structure, the power to act in this capacity.

Solicitations submitted by a sole proprietorship must be signed by the proprietor.

Written Modification Any responder may modify their solicitation by letter, electronic or other written communication at any time prior to the scheduled closing time for receipt, provided such written communication is received by the City prior to the closing time, and provided further, the City is satisfied that the written modification bears the signature of the responder. The written communication should not reveal the solicitation price but should provide the addition or subtraction or other modification so that the final prices or terms will not be known by the City until the sealed bid is opened. It is the responsibility of responder to ensure modification was received by the City.

Qualification of Responders No prequalification of responders is required. Before award of any contract can be approved, however, the City shall be satisfied that the responder involved: (1) maintains a permanent place of business, (2) has adequate plant and equipment to do the work properly and expeditiously, (3) has a suitable financial status to meet obligations incident to the work, (4) has appropriate technical experience, and (5) can submit a satisfactory performance record.

Addenda & Interpretations No interpretation of the meaning of the plans, specifications or other pre-bid documents will be made to any responder orally.

Every question or request for interpretation concerning the solicitation shall be directed to the Procurement

Manager, Lucy Gonzalez in writing via e-mail at lgonzalez@huntsvilletx.gov or sent via mail addressed to the Purchasing Department at 448 SH 75 North, Huntsville, Texas 77320. All questions or request for

Bid #26-06 Page 6 of 69 Firm Name:____________________________ Initials:________ interpretation must be received by December 11, 2025 @ 4:00 P.M. as addressed above. All questions or requests for interpretation concerning the solicitation received after December 11, 2025 @ 4:00 P.M. will be considered void and unacceptable.

A written addenda will be issued as a response and will be posted on or before December 15, 2025 @

5:00 P.M. on the City of Huntsville website, Public Purchase website and Electronic State Business Daily website. All addenda so issued shall become part of the contract documents, and receipt thereof shall be acknowledged in the space provided in the solicitation document. It is the responsibility of the responder to verify all addendums and interpretations.

Bid Bond A bid bond made payable to the City of Huntsville, Texas in an amount of 10% of the bid submitted must accompany each bid as a guarantee that if awarded the contract, the bidder will enter into a contract and execute such bonds as required within ten (10) days of award of contract of City Council.

Payment Bond Based on receiving notification of City Council approval, the Contractor shall submit a payment bond for the full amount of award from a certified State of Texas surety company. Should the payment bond not be provided within ten calendar days the City of Huntsville reserves the right to award to next responsible, responsive firm. Original payment bond to be submitted to the Procurement Manager, 448 SH 75N

Huntsville, TX 77320.performance bond to the City for the full estimated amount of the contract within ten (10) business days.

The bonds shall remain in effect until both the final payment is made and the closeout of the project is finalized.

Bond Information The failure of the successful responder to execute the agreement and supply the required bonds within ten

(10) days after the request, or within such extended period as the City may grant, shall constitute a default and the City may, at its option either award the contract to the next lowest responsible responder, or re-advertise for bids. In either case, the City may charge against the bidder the difference between the amount of the bid, and the amount for which a contract is subsequently executed irrespective of whether this difference exceeds the amount of the bid bond. If a more favorable bid is received through re-advertisement, the defaulting bidder shall have no claim against the City for a refund.

Change Orders It is the City’s desire to have all questions and/or comments addressed prior to issuing a purchase order;

any change order will be greatly scrutinized and could impede future awards. No change orders will be accepted unless written approval by the City Manager. Any work completed without written approval by the City Manager is subject to non-payment.

Liquidated Damages The total project must be completed in no more than ninety (90) calendar days from the date of award – per written Notice or issuance of purchase order. The awarded firm will be accessed a one thousand five hundred dollars ($1,500.00) per calendar day for all non-completion of work beyond pre-approved number of calendar days from date of notice to proceed (non-completion of work includes removal of all equipment and materials from job site). This amount will be taken/reduced from the final invoice. All requested weather days must be submitted in writing to the City of Huntsville Public Works Director on the day of bad weather. A maximum of five (5) calendar days for requested weather delays will be allowed

Bid #26-06 Page 7 of 69 Firm Name:____________________________ Initials:________ by the Public Works Director, any requested weather days beyond five calendar days may require City

Manager approval.

Laws and Regulations The responder's attention is directed to the fact that all applicable State laws, municipal ordinances, and the rules and regulations of all authorities having jurisdiction shall apply to the award throughout, and they will be deemed to be included in the bid document the same as though herein written out in full.

Obligation of Responder At the time of the opening of the solicitation each responder will be presumed to have inspected the site and to have read and to be thoroughly familiar with the plans and contract documents (including all addenda). The failure or omission of any responder to examine any form, instrument or document shall in no way relieve any responder from any obligation in respect of his bid.

Bid Tabulation To obtain bid tabulation results, please log on to our website at http://www.huntsvilletx.gov/business/bids_and_rfps/bid_tabulations/. If you have any other questions, please contact the Procurement Manager, Lucy Gonzalez at (936) 291-5495 or e-mail puchasing@huntsvilletx.gov.

Information All products and services offered or provided pursuant to the resulting executed and effective agreement shall conform to the requirements defined by or referred to by the solicitation documents including, instruction to bidders, solicitation addenda, standard terms and conditions and this offer agreement all of which are incorporated herein.

It is the intent of all parties to this agreement that this document, including all attachments and documents incorporated by reference, constitutes the entire agreement between the parties pertaining to the subject matter hereof, and all prior or contemporaneous agreements and understandings, oral or written, are hereby superseded and merged herein.

Scope of Work Rehabilitation of 2MG Elevated Storage Tank Bid NO. 26-06.

COATING AND LINING OF POTABLE WATER STORAGE TANKS

1.01 – General

1. This specification shall provide for the surface preparation and coating and lining of the interior and exterior surfaces of a potable water storage tank.

2. The locations are as described in “Scope of Work.”

3. All surfaces of the tank(s) and all associated piping, equipment, and supports are to be coated excluding aluminum, nickel, copper, bronze, chromium, previously uncoated galvanized, stainless steel, rubber and fiberglass.

http://www.huntsvilletx.gov/business/bids_and_rfps/bid_tabulations/ mailto:puchasing@huntsvilletx.gov

Bid #26-06 Page 8 of 69 Firm Name:____________________________ Initials:________

4. This specification will constitute the minimum requirements. No changes or modifications will be permitted unless prior written approval is obtained from Engineer. If there are any conflicts between this document and any referenced standards, this document takes precedence.

5. The Contractor will be required to submit a quality control/quality assurance plan to demonstrate compliance with the minimum requirements of this specification. The plan should provide for sufficient testing and observations needed for warranty of the coating system. The plan will be reviewed by the

Engineer and Paint Manufacturer prior to acceptance.

6. Contractor must provide all necessary manpower, supervision, materials, application, inspection, equipment, dehumidification and ventilation, lighting, proper electrical grounding of equipment, shrouding, containment and access to successfully and safely complete the job requirements.

7. The successful bidder shall comply with all rules and requirements of the TCEQ. Specifically, control of air pollution and visible emissions from particulate matter are to be done in accordance with Title

30, Texas Commission on Environmental Quality, Texas Air Control Board Chapter III, Control of Air

Pollution from Visible Emissions and Particulate Matter Abrasive Blasting of Water Storage Tanks

Performed by Portable Operations, 30 TAC 111.131 through 139.

8. The successful bidder must comply with all federal, state and/or local laws and regulations pertaining to the protection of the environment for all phases of work described herein.

9. The Contractor shall comply with the Department of Labor Safety and Health Regulations for construction, promulgated under the Occupational Safety and Health Act of 1970 (PL 91-596) and under section 107 of the Contract Work Hours and Safety Standards Act (PL 91-54), and updated laws and acts. Compliance with OSHA Standards per 29 CFR 1926 and 29 CFR 1910 is to be enforced by the CONTRACTOR.

10. Requirements for handling, testing and disposal of all generated hazardous and non-hazardous waste shall be in accordance with SSPC-PA Guide 3 and Coating Manufacturer’s Material Safety Data Sheet.

11. 3rd Party Inspectors, Engineer, Material Suppliers and representatives of Federal, State and local agencies, directly or indirectly involved with the project, shall have access to the work, whatever it is, in preparation or progress, and the Contractor shall provide proper facilities for such access and inspection.

12. The scope of work addresses possible lead conditions and other regulated contaminants. The contractor will be required to contain and dispose of waste materials in accordance with all applicable federal, state, and local regulations and the requirements of this specification. The contractor shall not be entitled to additional compensation for efforts necessary to contain and dispose of waste as identified in the scope of work.

13. The inspection report included in this document must be properly and completely filled out daily by an on-site Contractor employee or approved representative, and submitted to the paint supplier and

Engineer on a weekly basis. A current NACE Level I Inspector Certification is not required by the

Contractor.

14. Contractor to provide daily site clean-up.

15. Contractor to provide for repairs to tank and appurtenances and/or other structures on the site as described in the scope of work.

Bid #26-06 Page 9 of 69 Firm Name:____________________________ Initials:________

16. The Contractor is to provide adequate explosion proof lighting, for a “shadow free” environment.

17. Upon final acceptance for all coating and linings work, and proper cure, the Contractor must disinfect the interior of the tanks, with a method approved by the Engineer.

18. Standards

1. SSPC–SP-1 – Solvent Cleaning

2. SSPC-SP-10 – Near White Blast Cleaning

3. SSPC-SP-6 – Commercial Blast Cleaning

4. SSPC-SP7/NACE 4 - Brush-Off Blast Cleaning

5. SSPC-SP11 - Power Tool Cleaning

6. SSPC-WJ-4/NACE WJ-4 – Pressure Washing

7. SSPC-PA2 - Measurement of Dry Paint Thickness with Magnetic Gages

8. SSPC Technology Guide NO. 12 – Guide for Illumination of Industrial Painting Projects

9. SSPC TECHNOLOGY GUIDE NO. 6 - Guide for Containing Surface Preparation Debris

Generated During Paint Removal Operations

10. SSPC TECHNOLOGY GUIDE NO. 7 – Guide to the Disposal of Lead-Contaminated Surface

Preparation Debris

11. SSPC TECHNOLOGY GUIDE NO. 15 - Field Methods for Retrieval and Analysis of Soluble

Salts on Steel and Other Nonporous Substrates

12. SSPC Paint Application Guide No. 11 - Protecting Edges, Crevices, and Irregular Steel

Surfaces by Stripe Coating

13. NACE RP0188-99 - Discontinuity (Holiday) Testing of New Protective Coatings on

Conductive Substrates

14. NACE RP0287-02 - Field Measurement of Surface Profile of Abrasive Blast-Cleaned Steel

Surfaces Using a Replica Tape

15. ASTM D4285 - Standard Test Method for Indicating Oil or Water in Compressed Air

16. NACE RP0288-04 - Inspection of Linings on Steel and Concrete

17. SSPC Qualification Procedure No. 1 - Standard Procedure for Evaluating the Qualifications of

Industrial/Marine Painting Contractors (Field Application to Complex Industrial and Marine

Steel Structures)

18. SSPC Qualification Procedure NO. 2 - Standard for Evaluating Painting Contractors

19. (Removal of Hazardous Coatings from Industrial/Marine Steel Structures)

20. SSPC AB 1, AB 2, and AB 3 – Abrasives

21. SSPC – VIS 1 – Guide and Reference Photographs for Steel Surfaces Prepared by Dry

Abrasive Blast cleaning

22. SSPC-PA Guide 3 – A Guide to Safety in Paint Applications

23. NACE Publication 6A192 – Dehumidification Equipment in Lining Application

24. NSF International Standard 61 - Drinking Water System Components

1.02 – Submittals The awarded Contractor must submit a detailed plan for implementation and execution for this project, before beginning work. The Contractor must thoroughly and completely review this and any other submittals with the

Engineer’s Job Representatives at the pre-job conference, and the submittal must include the following, as a minimum, and be accepted by the Engineer’s Job Representative:

1. The overall plan ensures that all applicable safety processes are in place at all times.

Bid #26-06 Page 10 of 69 Firm Name:____________________________ Initials:________

2. A list of the equipment necessary to complete this project, along with verification that all equipment is in proper safe working condition, before moving on site. Equipment shall have properly functioning regulators and pressure gauges.

3. A plan to be submitted jointly with supplier, detailing on-going quality control processes to meet specifications for the surface preparation and application of all coatings.

4. A list of any proposed subcontractors.

5. The latest PDS & MSDS sheets of all paint, solvent, and blasting materials must be submitted to

Engineer and be on site.

6. A detailed plan to provide continuous ventilation and dehumidification for the internal tank lining, with a maximum of 50% relative humidity, from the start of surface preparation through final lining cure.

Include Supplier’s specific ventilation requirements for products used on interior surfaces. Ventilation requirements shall be provided to ensure adequate evacuation of solvents to prevent solvent entrapment, worker exposure to solvents above the OSHA PEL and provide for timely coating system cure. Equipment capacity must be sized and stated per NACE Publication 6A192.

7. The type of abrasive to be used, and that it is capable of generating the specified blast profile and type, minimize worker exposure and applicable quality control testing.

8. A detailed plan for monitoring including soil and air protection measures and worker protection, including name of laboratory for testing and monitoring, training and certification of workers and the contractor’s competent person.

9. A detailed plan for the proper removal, handling and disposal of any lead based coatings or linings.

10. Confirmation that Contractor has obtained all permits necessary to complete the surface preparation and coatings work designated for this project, including removal, handling and disposal of used abrasive, hazardous and/or toxic waste materials. For blasting and painting water storage tanks, the

Contractor shall perform work in compliance with Title 30., Texas Commission on Environmental

Quality, Texas Air Control Board Chapter III., Control of Air Pollution from Visible Emissions and

Particulate Matter Abrasive Blasting of Water Storage Tanks Performed by Portable Operations, 30

TAC 111.131 through 139, latest revisions.

11. A detailed plan to protect the surrounding area, including but not limited to, persons, property, vehicular traffic, any area rotating equipment, gauges, and the drainage systems from over-blast, contaminants, spent abrasives and paint overspray, and provisions for repair of damage in a timely manner, in the submittal.

12. Supplier’s statement of conformance with ANSI/NSF 61 (NSF International) requirements for use on potable water tank interior surfaces.

1.03 – Preparation

1. Provide for repairs to tank structural elements and appurtenances as described in the scope of work.

2. Provide for pretesting as specified in the scope of work.

Bid #26-06 Page 11 of 69 Firm Name:____________________________ Initials:________

1.04 – Containment

1. The Contractor shall provide a containment system which allows for the containment of the environmentally sensitive waste, dust and paint over spray that will be generated during the blasting and paint operations.

2. When a tank is to be rehabilitated and the coatings to be removed contain lead, containment shall at a minimum conform to the requirements of TCEQ Texas Air Control Board Regulation I, 30 TAC

Chapter 111 Sections 131 through 139 and meet the performance requirements of SSPC Guide 7 –

Guide for the Disposal of Lead-Contaminated Surface Preparation Debris. Contractor to provide for competent person on-site at all times during lead abatement operations. The competent person shall have training and knowledge to recognize problems and the authority to halt operations until the problem is corrected. Contractor to provide for monitoring for worker exposure in conformance with

OSHA requirements. Contractor to provide for ambient monitoring as specified by Method D – EPA

Ambient Monitoring for Toxic Metals. Contractor to determine the Adjusted Daily Allowance, based on his work schedule, and provide to Engineer. Three samplers shall be provided, generally placed upwind, downwind and near entry of containment. Final placement shall be determined in the field based on site conditions.

3. If the Contractor elects to wet abrasive blast or vacuum abrasive blast, and roller apply or brush-on coatings, the containment system requirements, if any, shall be submitted to the Engineer. However, impervious ground coverage shall be used at all times.

4. Containment system proposed by the Contractor must assure the protection of the surrounding environment and must provide sufficient protection to meet: TCEQ Texas Air Control Board regulations for the Control of Air Pollution and Visible Emissions of Particulate Matter; Texas Water

Commission regulations applicable to protection of the soil and water; and SSPC-PA Guide 3 and

SSPC Guide 6.

5. Construct containment system with wind screens of a minimal shade factor as specified in the

Submittal, or as required below, with no emission from edges, rips, or tears. The containment system must be designed for the purpose of containing and controlling emissions, debris and protecting the air, ground and soil from contaminants resulting from lead paint removal, surface preparation and painting operations.

6. The containment system shall provide a safe working environment and provide for control of emissions as required in SSPC-PA Guide 3.

7. For rehabilitating an existing tank, a Containment System meeting the requirements of an SSPC Class 2 containment, per SSPC Guide 6 (CON), shall be employed when lead containing paint is to be removed by abrasive blast cleaning methods.

8. The containment materials must provide for performance which will comply with the following:

a. Protection of the environment, including air, water and soil, from abrasive blast media, process water, dust particles and paint debris.

b. Air movement within containment.

c. Secure edges and seams.

Bid #26-06 Page 12 of 69 Firm Name:____________________________ Initials:________

d. Permeable to natural lighting, unless alternate lighting is to be provided.

e. Tarp overlap to provide for maximum containment of spent debris.

9. The containment system shall be maintained free of defects through the course of the project. In the event that emissions or releases occur which exceed the requirements established in SSPC-PA Guide 3, work shall be stopped until all defects are repaired.

10. Prior to installation the containment system design must be submitted and reviewed by the Engineer. In addition, for work on elevated water storage tanks, the containment enclosure shall be designed to be raised and lowered within 15 minutes to prevent damage to the enclosure, the tank, personnel, and excessive loading to the tank and tank appurtenances in the event of high winds and foul weather.

Provide limits for use of containment (wind speed, rain, etc.).

11. Membranes that are impervious to the abrasive blast media, paint debris dusts, and process water shall be placed on the ground around the tank to prevent contamination of the ground storm waters and surface waters due to run-off. The debris must be contained within 30 feet of the base of the tank.

12. Prior to any changes or modifications in the containment system during the course of the work, proposed changes and modifications must be submitted in writing and reviewed by the Engineer. The submittal shall address the operational and technical reasons for containment modifications.

1.05 – Environmental Requirements for Application

1. Tank Interior - Humidity and Temperature

a. During abrasive blast cleaning and painting operations, the relative humidity of the interior air shall not exceed fifty percent (50%). Relative humidity shall be measured by a sling psychrometer or other appropriate psychometric measuring equipment.

b. The interior air temperature and temperature of surfaces to be coated shall be between 50_F and

120_F and at least 5_F above the dew point or as otherwise required by the manufacturer.

c. The Contractor shall achieve the required conditions for interior air conditions through the use of dehumidification equipment.

d. Proposed dehumidification equipment must be submitted for review by the Engineer. Provide a minimum of three air changes per hour unless dehumidification equipment manufacturer's calculations substantiate fewer air changes.

e. The dehumidification equipment shall supply dry, fresh (not recirculated) air within 12 inches of the tank bottom from a system of duct work and blowers. This ventilation system shall operate 24 hrs/day throughout the entire coating cure process.

f. Dehumidification shall be maintained until abrasive cleaning operations, coating operations and cure are complete, but not less than ten (10) days.

g. Dehumidifying equipment will not be required if atmospheric conditions allow the Contractor to comply with the temperature and humidity requirements and coating manufacturer’s specifications.

2. Tank Exterior - Humidity and Temperature

Bid #26-06 Page 13 of 69 Firm Name:____________________________ Initials:________

a. No coating shall be applied to wet or damp surfaces, or in rain, snow, fog or mist.

b. No coatings shall be applied when it is expected that the ambient air temperature will fall below

50ºF or within 5ºF of the dew point within 6 hours after application of coatings or paints.

c. No coating shall be applied when the relative humidity is exceeded as specified in the coating manufacturer's product data sheet. Relative humidity and dew point shall be measured by use of a Sling Psychrometer in conjunction with US. Department of Commerce Weather Bureau

Psychometric Tables. If the above conditions are exceeded, coating or painting operations shall be delayed until conditions are favorable.

d. The ambient conditions and surface temperature of the surfaces being coated must be between

50ºF and 120ºF. The surface temperature shall be at least 5ºF above the dew point or within the manufacturer’s recommendations. During application of urethane coatings the maximum surface temperature shall be 100ºF.

1.06 – Surface Preparation

1. Abrasive blast products to be used on this project shall conform to the Society for Protective Coatings

(SSPC) Abrasive Specification No. 1. "Mineral and Slag Abrasives", except that copper slag will not be permitted. Abrasive blast product submittals shall include, but not be limited to, the following:

a. Manufacturer's certification or laboratory analysis that the product proposed contains less than 1%

Free crystalline silica.

b. Laboratory analysis of blast material presenting results of blast material testing as required in

SSPC-AB 1, Table 1 requirements for Chemical and Physical Properties of Abrasives, except that the conductivity test for water soluble contaminants in accordance with ASTM D-4940 shall not exceed 500 microsiemens (micromhos).

c. Material Safety Data Sheets.

d. Composition, mesh size, and bulk density.

e. Estimated quantities of each product required to complete the project and recommended application nozzle, air requirements, and pressure. Compressors shall be capable of providing a minimum of 90 psi at the blast nozzle(s) and shall provide clean air that is free of moisture and oil through oil and moisture traps. Water blast abrasive units shall be capable of 200 CFM at the blast nozzle(s) and shall provide a thoroughly mixed spray.

2. Check for contaminants in the compressed air supply prior to blasting, per ASTM D4285-83

(reapproved 2006).

3. Prior to all blasting, all visible contaminants must be removed and meet the standards defined in SSPC-

SP1.

4. Internal Systems - Steel Blasting

a. Carbon steel surfaces shall be prepared to a minimum near-white metal surface cleanliness in accordance with SSPC-SP10/NACE #2, An angular profile of 2.0 to 3.0 mils as per ASTM D 4417, Method C or NACE Standard RP0287 is required

Bid #26-06 Page 14 of 69 Firm Name:____________________________ Initials:________

b. A Near White Blast cleaned surface, when viewed without magnification, shall be free of all visible oil, grease, dirt, dust, mill scale, paint, oxides, corrosion products, and other foreign matter, except for staining. Staining shall be limited to no more than 5 percent of each square inch of surface area and may consist of light shadows, slight streaks, or minor discolorations caused by stains of rust, stains of mill scale, or stains of previously applied paints.

c. Pitted areas on the tank interior shall be repaired by either filling with Tnemec Series 215 Surfacing

Epoxy or Tnemec Series FC22 Epoxoline (floor) or by welding. Epoxy filler shall be feathered smooth. Filler shall be applied after the primer but prior to the application of the finish coat. No protrusions or spatter will be allowed. Pits deeper than 1/8” shall be filled by welding. Pits repaired by epoxy shall be subsidiary to liner. Pits repaired by welding shall be confirmed by engineer and paid under pit repair bid item.

5. External Systems - Steel Blasting

a. Carbon steel surfaces shall be prepared to a minimum of SSPC-SP6/NACE #3, the An angular profile of 1.5 to 2.5 mils as per ASTM D 4417, Method C or NACE Standard RP0287 is required

b. A Commercial Blast cleaned surface, when viewed without magnification, shall be free of all visible oil, grease, dirt, dust, mill scale, paint, oxides, corrosion products, and other foreign matter, except for staining. Staining shall be limited to no more than 33 percent of each square inch of surface area and may consist of light shadows, slight streaks, or minor discolorations caused by stains of rust, stains of mill scale, or stains of previously applied paints.

6. All surface defects revealed by the blast cleaning process, shall be ground, filled, or treated in the appropriate manner.

7. Welds must be ground to a smooth, rounded shape, removing all buckshot, bb’s, imperfections and sharp edges.

8. Check the blast profile per NACE RP0287-2002, and re-prep as necessary to meet the requirements.

9. Check for soluble salts and contamination (with Contractor selected product), per SSPC Technology

Guide 15, and repeat surface preparation steps as necessary to meet International Paint materials requirements.

10. SSPC-SP7/NACE 4 – Brush-Off Blast Cleaning

a. Brush-off blast cleaned surface, when viewed without magnification, shall be free of all visible oil, grease, dirt, dust, loose mill scale, loose rust, and loose coating.

b. Tightly adherent mill scale, rust, and coating may remain on the surface. Mill scale, rust, and coating are considered tightly adherent if they cannont be lifted with a dull putty knife.

11. SSPC-SP11 - Power Tool Cleaning

a. Power tool cleaning to produce a bare metal surface and retain or project a profile.

b. Metallic surfaces, when viewed without magnification, shall be free of all visible oil, grease, dirt, dust, mill scale, rust, paint, oxide, corrosion products, and other foreign matter.

Bid #26-06 Page 15 of 69 Firm Name:____________________________ Initials:________

c. Slight residues of rust and paint may be left in the bottom of pits if the original surface is pitted.

12. SSPC-WJ-4/NACE WJ-4 – Waterjetting

a. Pressure wash all surfaces to be coated using a solution of hot water and detergent with a minimum of 4,000 psi and a minimum flow rate of 3.0 gallons per minute with a zero-degree rotating nozzle to remove all oil, grease, chalk, dust, dirt and other contaminants.

b. For mildewed surfaces, add chlorine bleach and allow solution to dry on the surface. Rinse all surfaces with clean water. Clean all failed and rusting areas as per SSPC-SP3 Power Tool

Cleaning, taking care to not burnish the surface. Feather all edges smooth. Spot prime with

Tnemec Series 118 Uni-Bond Mastic applied at 6.0 to 8.0 dry mils.

13. The prepared surfaces must meet the standards listed above during application of the coatings and linings.

1.07 – Coating and Linings Follow the latest technical data from the coating supplier’s for mixing and thinning procedures, application limits, application procedures, recoat times, and curing schedules.

High-pressure water wash as necessary to eliminate any contamination between coating’s applications.

Properly store and handle materials according to manufacturer's requirements and in compliance with applicable government regulations.

All subsequent coats, including stripe coat, must be of different color. Finish coat color shall be as selected by the Owner.

INTERIOR PAINT SYSTEM AND APPLICATION-DETAILS

NOTE: All interior coating products subject to contact with potable water shall meet the requirements of the

National Sanitation Foundation (NSF) Standard 61 and shall be applied in strict conformance with the manufacturer's recommendations.

The following paint system is required. The Contractor shall verify that the paint system used complies with said NSF Standard 61.

1. Steel Interior Surface Areas after sandblasting. This system shall consist of:

Bid #26-06 Page 16 of 69 Firm Name:____________________________ Initials:________

* Stripe Coat shall be brush and roll applied and must fill all crevices, non-uniform areas, weld seams, and cover all edges.

Total Min. DFT = 13.0 dry mils

2. Steel Interior Surface Areas after brush blasting. This system shall consist of:

Total Min. DFT = 8.0 dry mils

EXTERIOR PAINT SYSTEM AND APPLICATION – DETAILS

1. All Steel Exterior Surface Areas after blasting. This system shall consist of:

Bid #26-06 Page 17 of 69 Firm Name:____________________________ Initials:________

Total Min. DFT = 6.5 dry mils

2. All Steel Exterior Surface Areas after powerjetting. This system shall consist of:

Total Min. DFT = 8.0 dry mils

Application Requirements

a. Primer coat: Apply by brush and roller or spray to a WFT sufficient after curing to result in a

DFT as specified above. Color to contrast intermediate coat, but of same family. Apply intermediate coat after overnight cure or as recommended by paint manufacturer.

b. Intermediate coat: Apply by brush and roller or spray to a WFT sufficient after curing to result in a DFT as specified above. Color to contrast primer and finish, but of same family.

c. Finish coat: Apply by brush and roller or spray to a WFT sufficient after curing to result in a

DFT as specified above. Color as selected by owner.

d. Total DFT of outside coating shall be summation of layer DFT coating requirements.

e. Intermediate coat must be top coated within 8 days.

f. Tinting may be necessary to assist in application and inspection of the second and third coats.

Tinting is permissible provided the tinting material is furnished by the paint manufacturer and mixed in strict accordance with the manufacturers' recommendation.

g. Imperfections or any blushing shall be repaired as directed by the Engineer at the Contractor's expense.

Painting Materials

The following manufacturers may supply paint for each of the systems described in this specification, pending final paint system approval:

a. TNEMEC Protective Coatings.

b. “Approved Equal” Manufacturer - as approved by Engineer prior to bid.

The Contractor is responsible for selecting a particular paint that will comply with all of the requirements of this technical specification. Reference standards are provided and final acceptability of paint systems will be through the submittal process.

Bid #26-06 Page 18 of 69 Firm Name:____________________________ Initials:________

Painting materials are to be supplied in accordance with AWWA D-102-78 Standard outlining:

Containers, labels and product information.

The Contractor must submit with his bid the manufacturer's product number he has selected for each of the painting systems. It is not permissible to use different manufacturers within any one system.

The Contractor must use, and may be requested to furnish written certification by the Owner, only paints and materials for all interior surfaces that conform to U.S.D.A., EPA, and/or F.D.A. regulations for potable water service.

The paints and materials selected for the entire tank must also conform to all air pollution control agencies requirements. This not only includes present application but also future removal of the materials. Owner may require written certification by the manufacturer that these selected materials do meet these regulatory requirements.

NSF /ANSI Std. 61 Approved Flexible Caulking

Caulking shall be flexible, and NSF approved for use in contact with potable water and compatible with the epoxy lining system used in the tank. Apply Sika-Flex 1A, or equal, to all joints that are not seal welded after the coatings have been applied and properly cured.

1.08 - Quality Control Plan

1. Inspection/Hold Points

a. The contractor’s QC inspector shall measure environmental conditions prior to starting all applications. Environmental conditions must be measured and recorded a minimum of twice daily. Application condition limits shall be in accordance with the manufacturer’s specifications.

b. All test results (abrasives, chlorides, blast profile, wet film thickness, dry film thickness, etc.) must be included in the Daily Inspection Reports.

c. Contractor must perform continuous quality assurance/control during surface preparation, mixing and thinning of coatings materials, and application of coatings.

d. All inspection equipment must be properly calibrated and in good working order.

e. Blast will be verified per SSPC VIS 1.

f. Continuous wet film thickness readings must be taken during all applications.

g. Dry film thickness readings will be confirmed by SSPC PA2.

h. Hold Points are set for the following, with assigned responsibilities:

i. Pre-mobilization equipment check – Contractor

ii. Abrasive quality control checks - Contractor, Engineer

iii. Blotter test of compressed air prior to blasting – Contractor

iv. Completion of surface preparation (blast, profile, chlorides), before priming.

Contractor to conduct daily inspection reports and submit to Engineer weekly.

Bid #26-06 Page 19 of 69 Firm Name:____________________________ Initials:________

Supplier and Engineer will perform random site visits for visual observation. -

Contractor, Supplier, Engineer

v. Mixing/thinning of the first batch of each product – Contractor

vi. Wet film thickness of the initial application of each product – Contractor

vii. Dry film thickness after each coat – Contractor

viii. Final dry film thickness per SSPC - PA-2 – Contractor, Engineer

ix. Final 100% holiday free inspection, internal lining - Contractor, Engineer

i. Any surface preparation or applications performed beyond the hold point, without receiving the proper approval, will require re-blasting, and re-application per this specification, at the contractor’s cost.

j. All coatings applications must be of specified film thickness, properly adhering, and uniform in appearance – with no visible runs or sags.

k. All internal linings must be 100% inspected per NACE RP0188-2006 after application and proper curing of the finish coat, all repairs made per coating manufacturer’s recommendations, and then re-inspected until it is a holiday free linings application.

2. Documentation / Reports

a. The coating contractor shall submit a written schedule at the pre-job meeting detailing all work to be performed and the approximate time needed to complete each task. This schedule or timeline will allow all parties to quickly identify deficiencies and target specific corrective actions needed to improve the workflow.

b. An approved Daily Inspection Report shall be used for documenting that specified requirements have been met. The Daily Inspection Report shall be completed for each work shift. A copy of the Daily Inspection Report shall be submitted to the Engineer weekly.

Engineer shall copy weekly reports to Supplier for comment, and coordinate Engineer and

Supplier site visits for observation.

c. The coating contractor shall submit a copy of a final report to engineer after completion of the project. The final report shall include:

i. A signed copy of the certification (final sign off sheet)

ii. A copy of the accepted written schedule from the pre job meeting.

iii. Copies of all Daily Inspection Reports

1.09 - Clean-up and Disposal Collection and disposal of surface preparation debris shall be in conformance with SSPC-Guide 7. Surface preparation debris shall be separated from other debris generated during the course of the work. Provide for testing to determine hazardous classification of debris per SSPC-Guide 7, Appendix A.

1. Contractor to provide for disposal of hazardous waste generated from the site. Disposal of hazardous waste procedures to include assisting Owner in obtaining identification number and selection of treatment or disposal option. Provide manifest to Owner for his record.

Bid #26-06 Page 20 of 69 Firm Name:____________________________ Initials:________

2. Contractor to provide for appropriate off-site disposal of all other wastes generated from the operations.

3. Provide for post testing of soils where required by Special Provision.

4. Provide for repairs and painting of other on-site structures, in addition to tank, as described in the scope of work.

5. Provide for final grading of surface to provide for drainage and seed area.

1.10 – Warranty Contractor/Manufacturer shall warranty and guarantee that the quality of the paint system, including surface preparation…