TECHSPECS_25RA001_IH Hyd Sys Upgrade_amd0006_19May25.pdf

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Ice Harbor Dam Intake Gate Hydraulic System Upgrades
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W912EF25RA001
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This document is a comprehensive technical specification for the Ice Harbor Dam Intake Gate Hydraulic System Upgrades, solicitation number W912EF25RA001, issued by the U.S. Army Corps of Engineers Walla Walla District. The project involves a complete overhaul of the hydraulic systems for six main units at the dam, including replacing 18 hydraulic cylinders, support beams, stub shafts, split nuts, hydraulic power units, control panels, headers, and associated electrical and control systems. Key components include new single-acting hydraulic cylinders designed to operate under water, a centralized hydraulic power unit with three pumps, new distribution headers, hydraulic control panels, and an updated intake gate position indicator system.

The technical specifications provide detailed requirements for design, fabrication, testing, and installation of the hydraulic system components, with strict performance parameters including a system rated pressure of 3000 psi, normal operating pressure of 2000 psi, and specific gate raising and lowering speed requirements. The project includes comprehensive testing protocols, including shop testing, pre-installation and post-installation pressure testing, functional testing, and operational testing. Additional scope involves rehabilitating existing hydraulic fluid reservoir tanks, installing an off-line oil filtration system, and implementing cybersecurity measures for the control systems. The specifications emphasize rigorous quality control, compatibility testing, and detailed documentation requirements for all system components.

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Ice Harbor Intake Gate Hydraulic System Upgrades W912EF25RA001

PROJECT TABLE OF CONTENTS

DIVISION 01 - GENERAL REQUIREMENTS

01 00 00.00 28 GENERAL REQUIREMENTS

01 11 00.00 28 SUMMARY OF WORK

01 11 01.00 28 SUPPLEMENTARY REQUIREMENTS

01 12 16.00 26 WORK SEQUENCE

01 14 00.10 28 PROJECT SITE RESTRICTIONS

01 14 00.90 28 INTEGRATING ANTITERRORISM (AT) AND OPERATIONS SECURITY

(OPSEC)

01 20 00.00 20 PRICE AND PAYMENT PROCEDURES

01 22 00.00 28 MEASUREMENT AND PAYMENT

01 32 01.00 28 PROJECT SCHEDULE

01 33 00 SUBMITTAL PROCEDURES

01 35 29.10 28 GOVERNMENTAL SAFETY REQUIREMENTS

01 42 00 SOURCES FOR REFERENCE PUBLICATIONS

01 45 01.00 28 RESIDENT MANAGEMENT SYSTEM CONTRACTOR MODE (RMS CM)

01 45 04.00 28 CONTRACTOR QUALITY CONTROL

01 51 00.00 28 TEMPORARY UTILITIES

01 54 19.10 28 CRANES

01 55 10.00 28 CONTRACTOR WORK, ACCESS AND STORAGE AREAS

01 57 20.00 28 ENVIRONMENTAL PROTECTION

01 78 00.00 28 CLOSEOUT SUBMITTALS

01 78 23.00 28 OPERATION AND MAINTENANCE DATA

01 79 00.00 28 DEMONSTRATION AND TRAINING

01 91 00.00 26 SYSTEMS TESTING AND COMMISSIONING

DIVISION 02 - EXISTING CONDITIONS

02 82 13.01 28 CLASS II ASBESTOS ABATEMENT

02 83 33.14 28 REMOVAL/CONTROL AND DISPOSAL OF PAINT WITH LEAD - SHORT

VERSION

DIVISION 03 - CONCRETE

03 60 00.01 26 CONCRETE DEMOLITION, REPAIR OF CONCRETE SURFACES, AND

MINOR EQUIPMENT FOUNDATIONS

DIVISION 05 - METALS

05 05 23.17 26 WELDING (STEEL), FABRICATION, AND MACHINE WORK

05 50 04.00 26 METALS: MATERIALS, PRODUCTS, AND MISCELLANEOUS ITEMS

DIVISION 09 - FINISHES

09 97 02.13 26 PAINTING - HYDRAULIC STRUCTURES

DIVISION 13 - SPECIAL CONSTRUCTION

13 48 00.00 26 SEISMIC RESTRAINT FOR MECHANICAL AND ELECTRICAL EQUIPMENT

DIVISION 25 - INTEGRATED AUTOMATION

25 05 11.01 26 CYBERSECURITY FOR CONTROL SYSTEMS

DIVISION 26 - ELECTRICAL

26 05 00.00 26 BASIC ELECTRICAL MATERIALS AND METHODS

PROJECT TABLE OF CONTENTS Page 1

Amd 0006

26 05 19.00 26 INSULATED WIRE AND CABLE

26 05 26.00 26 GROUNDING

26 42 14.01 26 CATHODIC PROTECTION BY SACRIFICIAL ANODES

DIVISION 33 - UTILITIES

33 56 53.00 26 REHABILITATION OF HYDRAULIC FLUID RESERVOIR TANKS

DIVISION 35 - WATERWAY AND MARINE CONSTRUCTION

35 05 40.14 26 HYDRAULIC POWER SYSTEMS FOR CIVIL WORKS STRUCTURES

35 05 40.15 26 HYDRAULIC FLUID

DIVISION 40 - PROCESS INTERCONNECTIONS

40 05 13.96 26 WELDING: PIPING AND PRESSURIZED SYSTEMS

40 95 23.00 26 PROGRAMMABLE LOGIC CONTROLLER HARDWARE

DIVISION 41 - MATERIAL PROCESSING AND HANDLING EQUIPMENT

41 22 13.75 26 LIFTING DEVICES

-- End of Project Table of Contents --

PROJECT TABLE OF CONTENTS Page 2

SECTION TABLE OF CONTENTS

DIVISION 09 - FINISHES

SECTION 09 97 02.13 26

PAINTING - HYDRAULIC STRUCTURES

PART 1 GENERAL

1.1 REFERENCES

1.2 SUBMITTALS

1.3 QUALITY CONTROL MANUAL

1.4 COATING THICKNESS GAGE QUALIFICATION

1.5 SAMPLING AND TESTING

1.6 SAFETY AND HEALTH PROVISIONS

1.6.1 General

1.6.2 Abrasive Blasting

1.6.3 Workers Other Than Blasters

1.6.4 Cleaning with Compressed Air

1.6.5 Cleaning with Solvents

1.6.5.1 Ventilation

1.6.5.2 Personal Protective Equipment

1.6.6 Pretreatment of Metals and Concrete with Acids

1.6.6.1 Personal Protective Equipment

1.6.6.2 Emergency Equipment

1.7 ENVIRONMENTAL PROTECTION

1.7.1 General

1.7.2 Waste Classification, Handling, and Disposal

1.8 PAINT PACKAGING, DELIVERY, AND STORAGE

1.9 QUALIFICATIONS

1.9.1 Quality Control Personnel

1.9.2 Certified Environmental, Health, and Safety Professionals

1.9.3 Qualified Painting Contractor

1.9.4 Qualified Paint Applicator

1.9.5 Test Plate

1.9.6 Certification Test Procedure

1.9.7 Certification Criteria

1.10 AMBIENT CONDITIONS

1.11 WARRANTY

PART 2 PRODUCTS

2.1 PAINT FORMULAS

2.1.1 Formula V-766e

2.1.2 Formula VZ-108d

2.2 INGREDIENTS FOR SPECIAL PAINT FORMULAS

2.2.1 Pigments and Suspending Agents

2.2.1.1 Carbon Black

2.2.1.2 Zinc Dust

2.2.1.3 Iron Oxide

2.2.1.4 Titanium Dioxide

2.2.1.5 Suspending Agent E

2.2.1.6 Suspending Agent F

SECTION 09 97 02.13 26 Page 1

2.2.2 Resins, Plasticizer, and Catalyst

2.2.2.1 Plasticizer

2.2.2.2 Vinyl Resin, Type 3

2.2.2.3 Vinyl Resin, Type 4

2.2.2.4 Ortho-phosphoric Acid

2.2.3 Silane B

2.3 SOLVENTS AND THINNERS

2.3.1 Methanol

2.3.2 Methyl Ethyl Ketone

2.3.3 Methyl Isobutyl Ketone

2.3.4 Methyl Isoamyl Ketone

2.3.5 Toluene

2.4 CERL TESTING OF VINYL PAINTS

2.4.1 Chromatographic Analysis

2.4.2 Vinyl Paints

PART 3 EXECUTION

3.1 CLEANING AND PREPARATION OF SURFACES TO BE PAINTED

3.1.1 General Requirements

3.1.2 Ferrous Surfaces Subject to Severe Exposure

3.1.3 Non-Ferrous Metal Surfaces

3.2 PAINT APPLICATION

3.2.1 General

3.2.2 Mixing and Thinning

3.2.3 Atmospheric and Surface Conditions

3.2.4 Time Between Surface Preparation and Painting

3.2.5 Method of Paint Application

3.2.6 Coverage and Film Thickness

3.2.6.1 General

3.2.6.2 Measurement on Ferrous Metal

3.2.6.3 Measurements on Nonferrous Metal

3.2.7 Progress of Shop and Field Painting Work

3.2.8 Contacting Surfaces

3.2.9 Drying Time Prior to Immersion

3.2.10 Protection of Painted Surfaces

3.2.11 Vinyl Paints

3.2.11.1 General

3.2.11.2 Vinyl Zinc-Rich Primer

3.2.11.3 Vinyl Paints

3.3 PAINT SYSTEMS APPLICATION

3.3.1 Fabricated and Assembled Items

3.3.2 Surface Preparation

3.3.3 System No. 5-E-Z

3.3.4 System 16-A

3.3.5 System No. 23-C-Z

3.3.5.1 Touch-Up Painting

3.3.6 Protection of Nonpainted Items and Cleanup

3.4 INSPECTION REPORTS

3.5 PAINTING SCHEDULES

3.6 TOUCH UP PAINT

-- End of Section Table of Contents --

SECTION 09 97 02.13 26 Page 2

SECTION 09 97 02.13 26

PAINTING - HYDRAULIC STRUCTURES

PART 1 GENERAL

This Section covers the detailed requirements for applying paints and coatings to new and existing components, including, but not limited to, support beams and hydraulic cylinders, required for the Intake Gate Hydraulic System Upgrades.

1.1 REFERENCES

The publications listed below form a part of this specification to the extent referenced. The publications are referred to within the text by the basic designation only.

AMERICAN INSTITUTE OF STEEL CONSTRUCTION (AISC)

AISC 420 (2010) Certification Standard for Shop Application of Complex Protective Coating Systems

ASTM INTERNATIONAL (ASTM)

ASTM D1045 (2019) Standard Test Methods for Sampling and Testing Plasticizers Used in Plastics

ASTM D1152 (2006; R 2012) Methanol (Methyl Alcohol)

ASTM D1153 (2012) Methyl Isobutyl Ketone

ASTM D1200 (2010; R 2014) Viscosity by Ford Viscosity Cup

ASTM D1210 (2005; R 2014) Fineness of Dispersion of Pigment-Vehicle Systems by Hegman-Type Gage

ASTM D153 (1984; R 2014) Specific Gravity of Pigments

ASTM D281 (2012; R 2016) Standard Test Method for Oil Absorption of Pigments by Spatula Rub-Out

ASTM D2917 (2007; R 2013) Methyl Isoamyl Ketone

ASTM D3465 (2014) Standard Test Method for Purity of Monmeric Plasticizers by Gas Chromatography

ASTM D3721 (2005; R 2011) Synthetic Red Iron Oxide Pigment

ASTM D4417 (2021) Standard Test Methods for Field Measurement of Surface Profile of Blast Cleaned Steel

SECTION 09 97 02.13 26 Page 3

ASTM D520 (2000; R 2011) Zinc Dust Pigment

ASTM D561 (1982; R 2014) Carbon Black Pigment for Paint

ASTM D7091 (2021) Standard Practice for Nondestructive Measurement of Dry Film Thickness of Nonmagnetic Coatings Applied to Ferrous Metals and Nonmagnetic, Nondestructive Coatings Applied to Non-Ferrous Metals

ASTM D740 (2011) Methyl Ethyl Ketone

ASTM D841 (2019) Standard Specification for Nitration Grade Toluene

ASTM E1347 (2006; R 2020) Standard Test Method for Color and Color Difference Measurement by Tristimulus (Filter) Colorimetry

INTERNATIONAL SAFETY EQUIPMENT ASSOCIATION (ISEA)

ANSI/ISEA Z87.1 (2020) Occupational and Educational Personal Eye and Face Protection Devices

ISEA Z358.1 (2009) Emergency Eyewash and Shower Equipment

U.S. GENERAL SERVICES ADMINISTRATION (GSA)

FED-STD-595 (Rev C; Notice 1) Colors Used in Government Procurement

U.S. NATIONAL ARCHIVES AND RECORDS ADMINISTRATION (NARA)

29 CFR 1910 Occupational Safety and Health Standards

29 CFR 1910, Subpart I Personal Protective Equipment

29 CFR 1910.134 Respiratory Protection

29 CFR 1910.146 Permit-required Confined Spaces

29 CFR 1910.94 Ventilation

29 CFR 1926 Safety and Health Regulations for Construction

40 CFR 261 Identification and Listing of Hazardous Waste

40 CFR 262.22 Number of Copies

MASTER PAINTERS INSTITUTE (MPI)

MPI 9 (2016) Alkyd, Exterior Gloss (MPI Gloss Level 6)

SECTION 09 97 02.13 26 Page 4

MPI 23 (2015) Primer, Metal, Surface Tolerant

RESEARCH COUNCIL ON STRUCTURAL CONNECTIONS (RCSC)

RCSC S348 (2014) RCSC Specification for Structural Joints Using ASTM A325 or A490 Bolts

SOCIETY FOR PROTECTIVE COATINGS (SSPC)

SSPC PA 17 (2012) Procedure for Determining Conformance to Steel Profile/Surface Roughness/Peak Count Requirements

SSPC PA 2 (2015; E 2018) Procedure for Determining Conformance to Dry Coating Thickness Requirements

SSPC Paint 36 (2006) Two-Component Weatherable Aliphatic Polyurethane Topcoat, Performance-Based

SSPC Paint 40 (2019) Zinc-Rich Moisture-Cure Polyurethane Primer, Performance-Based

SSPC QP 1 (2019) Standard Procedure for Evaluating the Qualifications of Industrial/Marine Painting Contractors (Field Application to Complex Industrial Steel Structures and Other Metal Components)

SSPC QP 3 (2010) Standard Procedure for Evaluating Qualifications of Shop Painting Applicators

SSPC SP 1 (2015) Solvent Cleaning

SSPC SP 5/NACE No. 1 (2007) White Metal Blast Cleaning

SSPC SP 6/NACE No.3 (2007) Commercial Blast Cleaning

U.S. ARMY CORPS OF ENGINEERS (USACE)

EM 385-1-1 (2024) Safety -- Safety and Health Requirements Manual

1.2 SUBMITTALS

Government approval is required for submittals with a "G" designation;

submittals having an "I" designation are for information only.

Designation following the "G" or "I" designation identifies the office that will review the submittal for the Government. Submit in accordance with SECTION 01 33 00 SUBMITTAL PROCEDURES:

SD-01 Preconstruction Submittals

Quality Control Manual (QCM) ; G C

Safety and Health Provisions ; G C

Waste Classification, Handling, and Disposal ; G C

SECTION 09 97 02.13 26 Page 5

SD-03 Product Data

Paint Formulas ; G ECCC

Solvents and Thinners ; G ECCC

SD-04 Samples

Paint Formulas ; G C

Solvents and Thinners ; G C

SD-06 Test Reports

Inspection Reports ; G C

SD-07 Certificates

Certified EHS Professional ; G C

Coating Thickness Gage Qualification ; G C

Qualified Paint Applicator ; G C

Quality Control Personnel ; G C

Qualified Painting Contractor ; G C

1.3 QUALITY CONTROL MANUAL

Before the start of work, the fabricator is to supply a Quality Control Manual (QCM) to the Government for approval. The QCM will clearly address differences between the Quality Management System (QMS) and with these SPECIFICATIONS. These SPECIFICATIONS will govern between any discrepancies. The QCM will include, at a minimum, the following items in addition to the requirements outlined in the joint AISC 420 / SSPC QP 3 Quality Management System Standard for Coatings Application:

a. Inspection plan.

b. Method for verification of accuracy of inspection measuring and test equipment.

c. Nonconformance control procedures.

d. Corrective action procedures.

e. Coating defect repair procedures.

f. Handling, storage and delivery of product and materials

1.4 COATING THICKNESS GAGE QUALIFICATION

Submit Coating Thickness Gage Qualification documentation of manufacturer's certification for all coating thickness gages. Use magnetic flux thickness gages as described in ASTM D7091 to make all coating thickness measurements on ferrous metal substrates. Use eddy current thickness gages as described in ASTM D7091 to measure coating

SECTION 09 97 02.13 26 Page 6 thickness on all nonferrous metal substrates. Gages to be used on the job must have an accuracy of 3 percent or better and be certified by the manufacturer as meeting this requirement.

1.5 SAMPLING AND TESTING

Allow at least 30 days for sampling and testing. Sampling may be at the jobsite or source of supply. Notify the Contracting Officer when the paint and thinner are available for sampling. Sampling of each batch will be witnessed by a Government representative unless otherwise specified or directed. Submit samples of all special paint formula, Military, Master Painter Institute, and SSPC paints and samples of solvents or thinners used to reduce the viscosity of the paint. Submit a 1-quart product samples of paint and thinner for each batch proposed for use. Label the sample to indicate formula or specification number and nomenclature, batch number, batch quantity, color, date made, and applicable project Contract number. Test all paint formulas at U.S. Army Construction Engineering Research Laboratory (CERL). Testing will be performed by the Government.

Costs associated with sampling and shipping are to be borne by the Contractor. Costs for retesting rejected material will be deducted from payments to the Contractor at the rate of $500 for each paint sample retested and $500 for each thinner retested. Send all paint formulas to be tested to:

U.S. Army Construction Engineering Research Laboratory ATTN: Brooke Divan 2902 Newmark Dr.

Champaign, IL 61826-9005

1.6 SAFETY AND HEALTH PROVISIONS

1.6.1 General

Perform work in accordance with the requirements of 29 CFR 1910 , 29 CFR 1926 , EM 385-1-1 , and other references as listed herein. Submit matters of interpretation of the standards to the Contracting Officer for resolution before starting work. Where the regulations conflict, the most stringent requirements apply. This paragraph SAFETY AND HEALTH PROVISIONS supplements the requirements of EM 385-1-1 . In any conflict between EM 385-1-1 and this paragraph, the provisions herein govern.

1.6.2 Abrasive Blasting

For abrasive blasting comply with the requirements in Section 06.H of EM 385-1-1 . In addition to the requirements in Section 20 of EM 385-1-1 , use hoses and hose connections of a type to prevent shock from static electricity. Join hose lengths together by approved couplings of a material and type designed to prevent erosion and weakening of the couplings. Fit the couplings and nozzle attachments on the outside of the hose and design to prevent accidental disengagement.

1.6.3 Workers Other Than Blasters

Protect workers, other than blasting operators working in close proximity to abrasive blasting operations, by utilizing MSHA/NIOSH-approved half-face or full-face air purifying respirators equipped with high-efficiency particulate air (HEPA) filters, eye protection meeting or exceeding ANSI/ISEA Z87.1 and hearing protectors (ear plugs and/or ear muffs) providing a noise reduction rating of at least 20 dBA or as needed

SECTION 09 97 02.13 26 Page 7 to provide adequate protection. Provide personal protective equipment where required by 29 CFR 1910.146 and in accordance with 29 CFR 1910, Subpart I .

1.6.4 Cleaning with Compressed Air

Clean with compressed air in accordance with Section 20.B.5 of EM 385-1-1 and protect personnel as specified in 29 CFR 1910.134 .

1.6.5 Cleaning with Solvents

1.6.5.1 Ventilation

Provide ventilation where required by 29 CFR 1910.146 or where the concentration of solvent vapors exceeds 10 percent of the lower explosive limit (LEL). Provide ventilation in accordance with 29 CFR 1910.94 , paragraph (c)(5).

1.6.5.2 Personal Protective Equipment

Provide personal protective equipment where required by 29 CFR 1910.146 and in accordance with 29 CFR 1910, Subpart I .

1.6.6 Pretreatment of Metals and Concrete with Acids

1.6.6.1 Personal Protective Equipment

Protect personnel in accordance with 29 CFR 1910 , Subpart I.

1.6.6.2 Emergency Equipment

In addition to the requirements of Section 05 of EM 385-1-1 , provide an eyewash in accordance with ISEA Z358.1 , paragraph (6).

1.7 ENVIRONMENTAL PROTECTION

1.7.1 General

In addition to the requirements of SECTION 01 57 20.00 28 ENVIRONMENTAL PROTECTION, comply with the following environmental protection criteria.

1.7.2 Waste Classification, Handling, and Disposal

Assure that all hazardous and nonhazardous waste generated during the project are properly disposed. Dispose of waste generated from abrasive blasting lead-containing paints with recyclable steel or iron abrasives as a hazardous waste or stabilize with proprietary pre-blast additives regardless of the results of 40 CFR 261 , App II, Mtd 1311. Where stabilization is preferred, employ a proprietary blast additive that has been blended with the blast media prior to use. Place hazardous waste in properly labeled closed containers and shield the waste adequately to prevent dispersion of the waste by wind or water. Any evidence of improper storage is cause for immediate shutdown of the project until corrective action is taken. Store nonhazardous waste in closed containers separate from hazardous waste storage areas. Transport all nonhazardous waste in accordance with local regulations regarding waste transportation. In addition to the number of manifest copies required by 40 CFR 262.22 , one copy of each manifest will be supplied to the Contracting Officer prior to transportation.

SECTION 09 97 02.13 26 Page 8

1.8 PAINT PACKAGING, DELIVERY, AND STORAGE

Process and package paints to ensure that within a period of one year from date of approved Government testing, they will not gel, liver, or thicken deleteriously, or form gas in the closed container. Unless otherwise specified or permitted, package paints in standard containers not larger than 5 gallons , with removable friction or lug-type covers. Label each container of paint or separately packaged component thereof to indicate the purchaser's order number, date of manufacture, manufacturer's batch number, quantity, color, component identification and designated name, and formula or specification number of the paint together with special labeling instructions, when specified. Deliver paint to the job in unbroken containers. Store paints that can be harmed by exposure to cold weather in ventilated, heated shelters. Store all paints under cover from the elements and in locations free from sparks and flames.

1.9 QUALIFICATIONS

Comply with the following for qualifications and experience.

1.9.1 Quality Control Personnel

Quality Control personnel are to be certified by SSPC as a Protective Coating Inspector level 2 or NACE Coating Inspection Personnel level 2.

Quality control personnel can be assigned to no more than one task, provided they are qualified and able to fully perform the duties of each position. Individual(s) responsible for quality assurance/quality control may not serve as or report to production management. If the ability of QC is in doubt, the Government reserves the right to have QC personnel removed from the project.

1.9.2 Certified Environmental, Health, and Safety Professionals

Provide a certificate for each Certified EHS Professional ; submit qualifications and experience of qualified and competent persons employed to provide preconstruction and onsite environmental, safety, and health services. Obtain acceptance of this submission prior to the submission of other required environmental, safety, and health submittal items. Utilize a qualified and competent person as defined in Section 01 of EM 385-1-1 to develop the required safety and health submittal and to provide onsite safety and health services during the Contract period. The person must be a Certified Industrial Hygienist (CIH), an Industrial Hygienist (IH), or a Certified Safety Professional (CSP) with a minimum of three years of demonstrated experience in similar related work. The CIH, IH, or CSP may utilize other qualified and competent persons, as defined in EM 385-1-1 , to conduct on-site safety and health activities as long as these persons have a minimum of two years of demonstrated experience in similar related work and are under the direct supervision of the CIH, IH, or CSP. For lead containing jobsite's, the competent and qualified person is required to have successfully completed an EPA or state accredited lead-based paint abatement Supervisor course specific to the work to be performed and possess current and valid state and/or local Government certification, as required.

1.9.3 Qualified Painting Contractor

a. Provide a certified SSPC QP 1 Painting Contractor for field applications.

SECTION 09 97 02.13 26 Page 9

b. Provide a certified SSPC QP 3 or AISC Sophisticated Paint Endorsement for shop applied coatings.

1.9.4 Qualified Paint Applicator

Submit records of qualification tests and third party certification for each Qualified Paint Applicator . Prior to the initiation of any work, test and certify all paint applicators as meeting the requirements of the qualified paint applicator. Administration of the certification will be by a Government representative. Do not apply any paint from applicators failing the certification test.

1.9.5 Test Plate

Use a 6 by 6 feet steel plate with a 3/8 inch minimum thickness as the test plate. Provide at least six bolts, three with bolt heads exposed and three with threads exposed, a 12-inch wide flange and a 6-inch diameter pipe each 18 inches long welded perpendicular to the test panel and a 6-inch deep T-beam with sealed ends welded horizontal across the test panel one foot up from the bottom all within the area to be painted on one side of the test plate. Use 1 inch minimum diameter bolts. Do not alter the test plate design without prior approval from the Government.

1.9.6 Certification Test Procedure

Conduct certification testing of paint applicators at the job site in coordination with the Contracting Officer. Only one applicator is permitted to test an individual panel. Supply the fabricated test plates to be used for the tests and provide crane service, rigging, and any other work necessary to provide accessibility for the certification testing and inspection. In preparation, clean and prepare the test plates in accordance with the requirements of the contracted work. Perform abrasive blasting with the blast media to be used in the Contract. Provide paints and materials to be applied that have been previously tested and approved for use on the Contract. Apply paints as specified in the Contract. The painter being tested is required to mix and thin the paints to be used in the test and set up and adjust the application equipment for use. Apply each of the types of paint comprising the specified system by each painter. Paint the test plate in a near vertical position.

1.9.7 Certification Criteria

Evaluate the paint applicator based on the conformance of the applied paint system to the requirements of the specifications. Deficiencies in the coatings, improper mixing or improper application methods are basis for failure. The Government Representative will be the sole judge as to the acceptability of each paint applicator's performance. If during production painting the painter's ability is brought into question, the Government reserves the right to remove the painter from the project.

1.10 AMBIENT CONDITIONS

Apply paint only to surfaces that are a minimum of 5 degrees above the dew point temperature and that are completely free of moisture as determined by sight and touch. Do not apply paint to surfaces upon which there is detectable frost or ice. Except as otherwise specified, the temperature of the surfaces to be painted and of air in contact therewith must be not less than 45 degrees F during paint application nor must paint be applied

SECTION 09 97 02.13 26 Page 10 if the surfaces can be expected to drop to 32 degrees F or lower before the film has dried to a reasonably firm condition. During periods of inclement weather, painting may be continued by enclosing the surfaces and applying artificial heat, provided the minimum temperatures and surface dryness requirements prescribed previously are maintained. Do not apply paint to surfaces heated by direct sunlight or other sources to temperatures that will cause detrimental blistering, pinholing, or porosity of the film.

1.11 WARRANTY

Any visible signs of corrosion on the painted items within 1 year of final acceptance will be corrected by the Contractor at no additional cost to the Government, to include paint system repair.

PART 2 PRODUCTS

2.1 PAINT FORMULAS

Submit manufacturer's product data sheet for each type of paint used; for products that are specified to be applied in accordance with the manufacturer's recommendations, submit the paint manufacturer's product data sheet or other written instructions for those products. Provide paints with the composition as indicated herein. Where so specified, package certain components of a paint formulation in separate containers for mixing on the job. If not specified or otherwise prescribed, use the color naturally obtained from the required pigmentation.

2.1.1 Formula V-766e

This formula is for Vinyl-Type White (or Gray) Impacted Immersion Coating, the ingredients are shown below.

INGREDIENTS PERCENT BY MASS

Vinyl Resin, Type 3 5.6

Vinyl Resin, Type 4 11.6

Titanium Dioxide and (for Gray) Carbon Black

13.0

Diisodecyl Phthalate 2.9

Methyl Isobutyl Ketone 32.0

Toluene 34.7

Ortho-Phosphoric Acid 0.2

Total 100.0

a. Accomplish the dispersion of pigment by means of pebble mills or other approved methods to produce a fineness of grind ( ASTM D1210) of not less than 7 on the Hegman scale. Grinding in steel-lined or steel-ball mills will not be permitted. No grinding aids, SECTION 09 97 02.13 26 Page 11 antisettling agents, or any other materials except those shown in the formula will be permitted. The paint must show the proper proportions of specified materials when analyzed by chromatographic and/or spectrophotometric methods. Measure the ortho-phosphoric acid accurately and dilute with at least four parts of ketone to one part of acid and slowly incorporate into the finished paint with constant and thorough agitation.

b. Provide paint with a viscosity between 60 and 90 seconds using ASTM D1200 and a No. 4 Ford cup.

c. Provide white and gray paints in the volume ratio designated by the purchaser. Provide gray paint containing no pigments other than those specified. Provide enough carbon black to produce a dry paint film having a reflectance of 20-24 ( ASTM E1347). The resulting gray color must approximate color 26231 of FED-STD-595 .

2.1.2 Formula VZ-108d

This formula is for Vinyl-Type Zinc-Rich Impacted Immersion Coating, the ingredients are shown below.

INGREDIENTS PERCENT BY WEIGHT POUNDS GALLONS

COMPONENT A

Vinyl Resin, Type 3 16.6 109.2 9.65

Methyl Isobutyl Ketone

80.6 528.9 79.30

Suspending Agent E 0.7 4.6 0.28

Suspending Agent F 0.4 2.7 0.19

Methanol 0.5 3.3 0.50

Synthetic Iron Oxide (Red)

1.2 7.9 0.19

Total 100.0 656.6 90.11

COMPONENT B

Silane B 100.0 4.1 0.47

COMPONENT C

Zinc Dust 100.0 550.0 9.42

Total Volume 100.00 (mixed paint)

a. Disperse iron oxide and suspending agents into the vehicle (Component A) to a fineness of grind of not less than 4 on the Hegman scale ( ASTM D1210). Grinding in steel-lined containers or using steel-grinding media will not be permitted. The paint must show the proper proportions of specified materials when analyzed by

SECTION 09 97 02.13 26 Page 12 chromatographic and/or spectrophotometric methods. The sole purpose of the iron oxide pigment is to produce a contrasting color. A red iron oxide-type 3 vinyl resin vehicle paste may be used in place of dry iron oxide provided compensating adjustment are made in the additions of Type 3 resin and methyl isobutyl ketone. Provide a finished product with zinc dust added that produces a paint which has a red tone upon drying and a reflectance of not more than 16 (

ASTM E1347).

b. Apply VZ-108d paint as a kit. Each kit consists of 4.5 gal ( 33.1 pounds ) of Component A in a 5-gallon lug closure type pail, 27.5 pounds of zinc dust (Component C) packaged in a 1-gal plastic pail, and 3 fluid ounces of silane (Component B) packaged in a glass bottle of suitable size having a polyethylene lined cap. Place the bottle of silane on the zinc dust in the 1-gal pail. In addition to standard labeling requirements, properly identify each container of each component as to component type and each container label of Component A must carry the following: MIXING AND APPLICATION INSTRUCTIONS:

WARNING - THIS PAINT WILL NOT ADHERE TO STEEL SURFACES UNLESS

COMPONENT B IS ADDED. Remove the 3 ounces of bottled Component B (silane) from the Component C (zinc dust) container and add to the base paint Component A) with thorough stirring. Then sift the zinc dust into the base paint while it is being vigorously agitated with a power-driven stirrer and continue the stirring until the zinc dust has been dispersed. Strain the mixed paint through a 30-60 mesh screen to prevent zinc dust slugs from reaching the spray gun nozzle.

Continuously stir the paint during application at a rate that will prevent settling. If spraying is interrupted for longer than 15 minutes, whip the entire length of the hose vigorously to redisperse the zinc. If the spraying is to be interrupted for more than one hour, empty the hose by blowing the paint back into the paint pot.

Thinning will not normally be required when ambient temperatures are below about 80 degrees F , but when the ambient and steel temperatures are higher, methyl isoamyl ketone (MIAK) or methyl isobutyl ketone (MIBK) should be used. If paint is kept covered at all times, its pot life will be about eight days.

2.2 INGREDIENTS FOR SPECIAL PAINT FORMULAS

The following ingredient materials and thinners apply only to those special paints whose formulas are shown above in detail.

2.2.1 Pigments and Suspending Agents

2.2.1.1 Carbon Black

Provide carbon black conforming to ASTM D561, Type I or II.

2.2.1.2 Zinc Dust

Provide zinc dust pigment conforming to ASTM D520, Type II.

2.2.1.3 Iron Oxide

Provide iron oxide, (Dry) synthetic (red), conforming to ASTM D3721. In addition, the pigment must have a maximum oil absorption of 24 and a specific gravity of 4.90 to 5.20 when tested in accordance with ASTM D281 and ASTM D153, Method A, respectively. When the pigment is dispersed into specified vinyl paint formulation, the paint must have color approximating

SECTION 09 97 02.13 26 Page 13

FED-STD-595 color 10076 (dark red paint), and show no evidence of incompatibility or reaction between pigment and other components after 6 months storage.

2.2.1.4 Titanium Dioxide

Provide one of the following for titanium dioxide in vinyl paint Formula V-766e: Kronos 2160 or 2101, Kronos, Inc.; Ti-Pure R-960, E.I. Dupont DeNemours and Co., Inc.

2.2.1.5 Suspending Agent E

Provide a light cream colored finely divided powder having a specific gravity of 2 to 2.3 for Suspending Agent E. Provide an organic derivative of magnesium aluminum silicate mineral capable of minimizing the tendency of zinc dust to settle hard without increasing the viscosity of the paint appreciably. M-P-A-14, produced by Elementis Specialties, has these properties.

2.2.1.6 Suspending Agent F

Provide a light cream colored finely divided powder having a specific gravity of approximately 1.8 for Suspending Agent F. Provide an organic derivative of a special montmorillonite (trialkylaryl ammonium hectorite). Bentone 27, produced by Elementis Specialties, has these properties.

2.2.2 Resins, Plasticizer, and Catalyst

2.2.2.1 Plasticizer

Provide either Di 2-propyl Heptyl Phthalate (DPHP) or Diisodecyl Phthalate (DIDP) plasticizer. Provide DPHP with an ester content of not less than

99.5 percent ( ASTM D3465), contains not more than 0.1 percent water, and has an acid number ( ASTM D1045) of not more than 0.07. Provide DIDP with a purity of not less than 99.0 percent, contains not more than 0.1 percent water, and has an acid number ( ASTM D1045) of not more than 0.10.

2.2.2.2 Vinyl Resin, Type 3

Provide Vinyl resin, Type 3, with a vinyl chloride-acetate copolymer of medium average molecular weight produced by a solution polymerization process and contains 85 +/- 1.0 percent vinyl chloride and 15 +/- 1.0 percent vinyl acetate by weight. Provide resin with film-forming properties and, in specified formulations, produces results equal to Vinnol H 15/50, as manufactured by Wacker Chemie AG.

2.2.2.3 Vinyl Resin, Type 4

Provide Vinyl resin, Type 4, with a copolymer of the vinyl chloride-acetate type produced by a solution polymerization process, contains (by weight) 1 percent interpolymerized dicarbonic acid, 84 +/-

1.0 percent vinyl chloride, and 15 +/- 1.0 percent vinyl acetate. Provide resin with film-forming properties and, in the specified formulations, produces results equal to Vinnol H 15/45 M, as manufactured by Wacker Chemie AG.

SECTION 09 97 02.13 26 Page 14

2.2.2.4 Ortho-phosphoric Acid

Provide chemically pure 85-percent grade ortho-phosphoric acid.

2.2.3 Silane B

Silane B for Formula VZ-108d must be N-beta-(aminoethyl)-gamma-aminopropyltrimethoxy silane. Silquest A-1120, produced by Momentive Performance Materials Inc., and Silane Z-6020, produced by Dow Corning Corporation, are products of this type.

2.3 SOLVENTS AND THINNERS

Use solvents and thinners compatible with the paints in use and submit product data and samples for approval.

2.3.1 Methanol

Provide methanol (methyl alcohol) conforming to ASTM D1152.

2.3.2 Methyl Ethyl Ketone

Provide methyl ethyl ketone (MEK) conforming to ASTM D740.

2.3.3 Methyl Isobutyl Ketone

Provide methyl isobutyl ketone (MIBK) conforming to ASTM D1153.

2.3.4 Methyl Isoamyl Ketone

Provide methyl isoamyl ketone (MIAK) conforming to ASTM D2917.

2.3.5 Toluene

Provide toluene conforming to ASTM D841.

2.4 CERL TESTING OF VINYL PAINTS

The following sections provide the testing procedures performed on Contractor provided samples of vinyl paints. The Contractor is not required to perform these tests.

2.4.1 Chromatographic Analysis

Solvents in vinyl paints and thinners are subject to analysis by programmed temperature gas chromatographic methods and/or spectrophotometric methods, employing the same techniques that give reproducible results on prepared control samples known to meet the specifications. If the solvent being analyzed is of the type consisting primarily of a single chemical compound or a mixture or two or more such solvents, interpretation of the test results must take cognizance of the degree of purity of the individual solvents as commercially produced for the paint industry.

2.4.2 Vinyl Paints

Apply the following adhesion tests to vinyl paints. When V-766 or V-106 formulations are tested, spray apply 5 to 7 mils (dry) to mild steel panels. Provide steel panels essentially free of oil or other

SECTION 09 97 02.13 26 Page 15 contaminants that may interfere with coating adhesion. Dry blast clean the test panels to a White Metal grade in compliance with SSPC SP 5/NACE No. 1 . Provide a surface with an angular profile of 2.0 to

2.5 mils as measured by ASTM D4417, Method C. When V-102 or V-103 formulations are tested, spray apply over 1.5 to 2.5 mils (dry) of V-766 or V-106 known to pass this test. When VZ-108 is tested, mix the coating in its proper proportions and then spray apply to a dry film thickness of

1.5 to 2.5 mils above the blast profile. Top Coat VZ-108 with a V-766 known to pass this test. In all cases, provide a total dry film thickness of 5 to 7 mils above the blast profile on the complete system. After being air dried for two hours at room temperature, dry the panel in a vertical position for 16 hours at 120 degrees F . After cooling for one hour, immerse the panel in tap water at 85 to 90 degrees F for 48 to 72 hours. Immediately upon removal, dry the panel with soft cloths and examine for adhesion as follows: With a pocket knife or other suitable instrument, make two parallel cuts at least 1 inch long and 1/4 to 3/8 inch apart through the paint film to the steel surface. Make a third cut perpendicular to and passing through the end of the first two. With the tip of the knife blade, loosen the film from the panel from the third cut between the parallel cuts for a distance of 1/8 to 1/4 inch . With the panel being held horizontally, grasp the free end of the paint film between the thumb and forefinger and pull vertically in an attempt to remove the film as a strip from between the first two cuts. Remove the strip of paint film at a rate of approximately 1/10 inch per second and maintain a vertical position during the process of removal. The adhesion is acceptable if the strip of paint breaks when pulled or if the strip elongates a minimum of 10 percent during its removal. Paints not intended to be self-priming must exhibit no delamination from the primer.

PART 3 EXECUTION

3.1 CLEANING AND PREPARATION OF SURFACES TO BE PAINTED

3.1.1 General Requirements

Clean surfaces to be painted before applying paint or surface treatments.

Remove deposits of grease or oil in accordance with SSPC SP 1 , prior to mechanical cleaning. For solvent cleaning, use mineral spirits or other low toxicity solvents having a flash point above 100 degrees F . Use clean cloths and clean fluids to avoid leaving a thin film of greasy residue on the surfaces being cleaned. Protect items not to be prepared or coated from damage by the surface preparation methods. Protect machinery against entry of blast abrasive and dust into working parts. Program cleaning and painting so that dust or other contaminants from the cleaning process do not fall on wet, newly painted surfaces; protect surfaces not intended to be painted from the effects of cleaning and painting operations. Conduct welding of, or in the vicinity of, previously painted surfaces in a manner to prevent weld spatter from striking the paint and to otherwise reduce coating damage to a minimum; restore paint damaged by welding operations to original condition. Paint surfaces that will be inaccessible after construction, erection, or installation operations are completed before they become inaccessible.

3.1.2 Ferrous Surfaces Subject to Severe Exposure

Dry blast-clean ferrous surfaces subject to extended periods of immersion or as otherwise required in accordance with SSPC SP 5/NACE No. 1 . Provide a blast profile, unless otherwise specified, of 1.5 to 2.5 mils as measured by ASTM D4417, Method C. Conform to SSPC PA 17 when determining

SECTION 09 97 02.13 26 Page 16 test amount and locations. Use appropriate abrasive blast media to produce the desired surface profile and to give an angular anchor tooth pattern. If recycled blast media is used, maintain an appropriate particle size distribution so that the specified profile is consistently obtained. Do not use steel shot or other abrasives that do not produce an angular profile. Remove weld spatter not dislodged by blasting with impact or grinding tools and the areas reblasted prior to painting.

Surfaces are required to be dry at the time of blasting. Blast clean to SSPC SP 5/NACE No. 1 in the shop unless otherwise specifically authorized by the Government. Clean all ferrous surfaces of dust and abrasive particles by brush, vacuum cleaner, and/or blown down with clean, dry, compressed air prior to the application of paint. Apply the first coat of paint within eight hours after blast cleaning and in any case prior to the deposition of any detectable moisture, contaminants, or corrosion. Upon written request by the Contractor, the Contracting Officer may authorize field cleaning of assembled or partially assembled components specified to receive one of the vinyl-type paint systems. The surfaces, if shop blasted, are required to be shop coated with the first and second coats of the specified paint system, as specified in the paint system instructions. Maintain the shop coating in good condition by cleaning and touching up of areas damaged during the construction period. If pinpoint or general rusting appears, reblast and repaint surfaces at no added cost to the Government. Prior to the field application of subsequent coats, thoroughly clean soiled areas of the shop coating and all welds. Clean and coat other unpainted or damaged areas in a manner to make them equivalent to adjacent, undamaged paint surfaces.

3.1.3 Non-Ferrous Metal Surfaces

Abrasive blast clean non-ferrous metal surfaces to be painted to roughen the surface and promote adhesion. Before blast cleaning surfaces, remove visible deposits of oil, grease, and other contaminants in accordance with SP 1. Abrasive blast the entire surface so as to produce a dense and uniform surface profile. The blasted surface must exhibit a continuous pattern with no smooth areas. Abrasive blast with clean, dry compressed air. Select an abrasive size and type based on the surface to be cleaned. Provide abrasive dry and free of oil, grease, and other contaminants. Use only non-metallic abrasives. Select an abrasive that minimizes particle embedment in the surface. Provide a blast cleaned metal surface with a minimum profile of 0.75 mils , when measured in accordance with ASTM D4417. Conform to SSPC PA 17 when determining test amount and locations. Remove dust, dirt and loose residues from blasted surfaces by brushing; blowing off with clean, dry air; or vacuuming.

Prime all surfaces as soon as practicable after cleaning and in all cases prior to contamination or deterioration of the prepared surfaces.

3.2 PAINT APPLICATION

3.2.1 General

Provide a finished coating free from holidays, pinholes, bubbles, runs, drops, ridges, waves, laps, brush hairs, blisters, overspray, mudcracking, brush marks, and variations in color, texture, and gloss. Do not commence application of initial or subsequent coatings until the Contracting Officer has verified that atmospheric conditions and the surfaces to be coated are satisfactory. Apply each paint coat in a manner that will produce an even, continuous film of uniform thickness. Edges, corners, crevices, seams, joints, welds, rivets, corrosion pits, and other surface irregularities must receive a stripe coat applied for each coat to ensure

SECTION 09 97 02.13 26 Page 17 that they receive an adequate thickness of paint. Equip spray equipment with traps and separators and where appropriate, mechanical agitators, pressure gauges, pressure regulators, and screens or filters. Provide air caps, nozzles, and needles as recommended by the spray equipment manufacturer for the material being applied. Airless-type spray equipment may be used only on broad, flat, or otherwise simply configured surfaces, except that it may be employed for general painting if the spray gun is equipped with dual or adjustable tips of proper types and orifice sizes.

Do not use airless-type equipment for the application of vinyl paints.

3.2.2 Mixing and Thinning

Thoroughly mix paints, strain where necessary, and keep paint at a uniform composition and consistency during application. With the aid of powered stirrers, incorporate paste or dry-powder pigments specified to be added at the time of use into the vehicle or base paint in a manner that will produce a smooth, homogeneous mixture free of lumps and dry particles.

Where necessary to suit conditions of the surface temperature, weather, and method of application, the paint may be thinned immediately prior to use. Limit thinning to the addition of not more than 1 pint per gallon of the proper thinner; this general limitation does not apply when more specific thinning instructions are provided. Bring paint that has been stored at low temperature up to at least 70 degrees F before mixing and thinning, and do not allow its temperature in the spray tank or other working container to fall below 60 degrees F during the application. Do not use paint that has deteriorated in any manner to a degree that it cannot be restored to essentially its original condition by customary field-mixing methods and remove deteriorated paint from the project site.

Resample thinner that is more than one year old and resubmit for testing to determine its suitability for application. Do not use paint over one year old from the approved Government test date.

3.2.3 Atmospheric and Surface Conditions

Apply paint only to surfaces that are a minimum of 5 degrees above the dew point temperature and that are completely free of moisture as determined by sight and touch. Do not apply paint to surfaces upon which there is detectable frost or ice. Except as otherwise specified, do not apply paint if the temperature of the surfaces to be painted and of air in contact therewith is less than 45 degrees F during paint application or if the surface can be expected to drop to 32 degrees F or lower before the film has dried to a reasonably firm condition. During periods of inclement weather, painting may be continued by enclosing the surfaces and applying artificial heat, provided the minimum temperatures and surface dryness requirements prescribed previously are maintained. Do not apply paint to surfaces heated by direct sunlight or other sources to temperatures that will cause detrimental blistering, pinholing, or porosity of the film.

3.2.4 Time Between Surface Preparation and Painting

Prime surfaces that have been cleaned and/or otherwise prepared for painting as soon as practicable after such preparation has been completed but, in any event, prior to any deterioration of the prepared surface.

3.2.5 Method of Paint Application

Unless otherwise specified, apply paint by brush, roller, or spray to ferrous and nonferrous metal surfaces. Pay special attention to ensure

SECTION 09 97 02.13 26 Page 18 adequate coverage of edges, corners, crevices, pits, rivets, bolts, welds, and similar surface irregularities. Other methods of application to metal surfaces are subject to the specific approval of the Contracting Officer.

Apply paint on other nonmetallic surfaces by brush, roller, and/or spray.

Do not use application by roller with coatings which incorporate suspended metallic's.

3.2.6 Coverage and Film Thickness

3.2.6.1 General

Provide film thickness or spreading rates as specified hereinafter. Where no spreading rate is specified, apply the paint at a rate normal for the type of material being used. In any event, the combined coats of a specified paint system must completely hide the base surface and the finish coats must completely hide undercoats of dissimilar color.

3.2.6.2 Measurement on Ferrous Metal

Where dry film thickness requirements are specified for coatings on ferrous surfaces, make measurements with a gage qualified in accordance with paragraph COATING THICKNESS GAGE QUALIFICATION. Calibrate and use gages in accordance with ASTM D7091. Calibrate gages using plastic shims with metal practically identical in composition and surface preparation to that being coated, and of substantially the same thickness (except that for measurements on metal thicker than 1/4-inch , the instrument may be calibrated on metal with a minimum thickness of 1/4-inch). Frequency of measurements will be as required in SSPC PA 2 . Calibrate the instruments or verify calibration prior to, during, and after each use.

3.2.6.3 Measurements on Nonferrous Metal

Where dry film thickness requirements are specified for coatings applied to nonferrous metal surfaces, make measurements using a gage qualified in accordance with paragraph COATING THICKNESS GAGE QUALIFICATION. Calibrate and use gages in accordance with ASTM D7091. Calibrate gages on metal identical in composition and surface preparation to that being coated and of substantially the same thickness (except that for measurements on metal thicker than 1/4-inch , the instrument may be calibrated on metal with a minimum thickness of 1/4-inch ). Frequency of measurements will be as recommended for field measurements by ASTM D7091 and reported as the mean for each spot determination. Calibrate the instruments or verify calibration prior to, during, and after each use.

3.2.7 Progress of Shop and Field Painting Work

Where painting on any type of surface has commenced, complete the entire painting operation, including priming and finishing coats, on that portion of the work as soon as practicable without prolonged delays. Allow sufficient time between successive coats to permit them to dry properly for recoating, and modify this period as necessary to suit adverse weather conditions. Paint is considered dry for recoating when it feels firm, does not deform or feel sticky under moderate pressure of the finger, and the application of another coat of paint does not cause film irregularities such as lifting or loss of adhesion of the undercoat. All coats of all painted surfaces are to be unscarred and completely integral at the time of application of succeeding coats. At the time of application of each successive coat, clean undercoats of dust, grease, overspray, or foreign matter by means of airblast, solvent cleaning, or

SECTION 09 97 02.13 26 Page 19 other suitable means. Deposits on painted steel surfaces, not satisfactorily removed by ordinary cleaning methods, must be brush-off blast cleaned and completely repainted as required. Undercoats of high gloss must, if necessary for establishment of good adhesion, be scuff sanded, solvent wiped, or otherwise treated prior to application of a succeeding coat. Apply shop and field coats on metal after erection except as otherwise specified and except for surfaces to be painted that will become inaccessible after erection.

3.2.8 Contacting Surfaces

Paint contacting metal surfaces for snug-tight and pretension connections with primer only. Provide coatings for slip-critical connections that conform to RCSC S348. Where a nonmetal surface is to be in bolted contact with a metal surface, clean the contacting surfaces of the metal and give three coats of the specified primer. Paint corrosion-resisting metal surfaces.

3.2.9 Drying Time Prior to Immersion

Provide the following minimum drying periods after final coat prior to immersion: epoxy and moisture cure urethane systems at least five days, vinyl-type paint systems at least three days, and cold-applied coal tar systems at least seven days. Increase minimum drying periods twofold if the drying temperature is below 65 degrees F and/or if the immersion exposure involves considerable abrasion.

3.2.10 Protection of Painted Surfaces

Where shelter and/or heat are provided for painted surfaces during inclement weather, maintain such protective measures until the paint film has dried and discontinuance of the measures is authorized. Do not handle, work on, or otherwise disturb items that have been painted until the paint coat is fully dry and hard.

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