099600 High Performance Coatings.pdf

Parking Garage Project Number 693-222 Department of Veterans Affairs Wilkes-Barre, Pennsylvania

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SECTION 099600 – HIGH PERFORMANCE COATINGS

PART 1 - GENERAL

1.1 SUMMARY:

A. Section Includes:

1. Use high performance coating systems specified in this section to finish components listed, unless otherwise indicated. Without restricting volume or generality, work to be performed under this section may include, but is not limited to:

a. All exterior exposed ferrous metals, including but not limited to the following items exposed to the exterior: Structural steel and deck, miscellaneous metals, loose lintels, ladders, railings, and bollards.

b. Excludes the following ferrous metals where finishes are specified elsewhere: Hollow metal doors and frames, metal wall panels and metal soffit panels, standing seam metal roofs, pre-formed metal copings, louvers, and other ferrous metals which are specified with their own finish systems.

1.2 DEFINITIONS

A. Terms Paint or Painting shall in a general sense have reference to sealers, primers, oil, alkyd, latex, polyurethane, epoxy, and enamel type coatings and application of these materials.

B. Dry Film Thickness (DFT): Thickness, measured in mils, of a coat of paint in cured state.

C. Conform to ASTM D16 for interpretation of terms used in this section.

1.3 SUBMITTALS

A. Product Data

1. Submit manufacturer’s literature describing products to be provided, giving manufacturer's name, product name, and product line number for each material.

2. Submit technical data sheets for each coating, giving descriptive data, curing times, mixing, thinning, and application requirements.

a. Provide material analysis, including vehicle type and percentage by weight and by volume of vehicle, resin and pigment.

3. Submit manufacturer’s Material Safety Data Sheets (MSDS) and other safety requirements.

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B. Shop Drawings

1. Submit a complete list of products proposed for use, including identifying product names and catalog numbers:

a. Arrange in same format as Schedule of Paint Finishes below.

b. Include applicable manufacturer's data and recommendations.

C. Samples

1. Selection Samples

a. Submit color charts displaying manufacturer's full range of standard colors for initial selection by Architect-Engineer.

2. Verification Samples:

a. Submit 3 samples of each coating and color selected, showing bare, prepared surface and each successive coat.

b. Samples shall be submitted on hardboard or metal as appropriate to coating system. Label samples on back, identifying manufacturer, product name, and color number.

c. Sample Size: Not less than 12" x 12" (300 mm x 300 mm.

D. Quality Assurance Submittals

1. Installer Qualifications: Submit certification letter listing (5) jobs of similar in material and extent to those systems indicated for the project.

2. Test Reports

a. Provide certified test reports, prepared by an independent testing laboratory, confirming compliance with specified performance criteria.

3. Certificates

a. Coatings manufacturer shall certify that coating materials utilized are

"non-lead" (less than 0.06% lead by weight in dried film) as defined in Part 1303 of Consumer Product Safety Act.

b. Provide certification that specialized equipment as may be required by manufacturer for proper application of coating materials shall be utilized for work of this Section.

c. Provide manufacturer's certification that products to be used comply with specified requirements and are suitable for intended application.

d. Submit listing of not less than 5 of applicator's most recent applications representing similar scope and complexity to Project requirements. List shall include information as follows:

1) Project name and address

2) Name of institution

3) Name of contractor

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4) Name of engineer

5) Date of completion

4. Manufacturer’s Instructions

a. Submit manufacturer's installation procedures which shall be basis for accepting or rejecting actual installation procedures.

1.4 QUALITY ASSURANCE

A. Qualifications:

1. Provide products from a company specializing in manufacture of high performance coatings with a minimum of 10 years experience.

2. Applicator shall be trained in application techniques and procedures of coating materials and shall demonstrate a minimum of 2 years successful experience in such application.

a. Maintain, throughout duration of application, a crew of painters who are fully qualified to satisfy specified qualifications.

3. Single Source Responsibility: Contractor shall take great care to ensure that exposed metal surfaces in Natatorium are completely coated in accordance with these specifications. Failure to do so may result in rejection of work. It is imperative to coordinate painting of exposed metal before support steel, roof assembly, and erection are complete.

a. Materials shall be products of a single manufacturer or items standard with manufacturer of specified coating materials.

b. Provide secondary materials which are produced or are specifically recommended by coating system manufacturer to ensure compatibility of system.

B. Regulatory Requirements

1. Conform to applicable codes and ordinances for flame, fuel, smoke, and volatile organic compound (VOC) ratings requirements for finishes at time of application.

C. Pre-Installation Meetings

1. Schedule a conference and inspection to be held on-site before field application of coating systems begins.

2. Conference shall be attended by Contractor, Institution's representative, Engineer, coating applicators, and a representative of coating material manufacturer.

3. Topics to be discussed at meeting shall include:

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a. Review items such as environmental conditions, surface conditions, surface preparation, application procedures, and protection following application.

b. Establish which areas on-site will be available for use as storage areas and working area.

4. Field Samples

a. Provide a full coating system to the required sheen, color, texture, and recommended coverage rates. Simulate finished lighting conditions for reviewing in-place work.

5. A manufacturer’s representative shall be available upon request by the General Contractor or Painting subcontractor, to advise applicator on proper application technique and procedures.

1.5 Delivery, Storage and Handling

A. Packing, Shipping, Handling, and Unloading

1. Deliver products in manufacturer's original unopened containers. Each container shall have manufacturer's label, intact and legible. Containers shall fully identify brand type, grade, class, and other qualifying information used to describe contents.

2. Include on label for each container:

a. Manufacturer’s name

b. Type of paint

c. Manufacturer’s stock number

d. Color name and number

e. Instructions for thinning, where applicable

B. Storage and Protection

1. Store materials in a protected area, away from construction activities. Restrict storage area to paint materials and related equipment.

2. Maintain temperature in area of storage between 40 degrees F (4 degrees C) and 110 degrees F (43 degrees C).

3. Comply with health and fire safety regulations.

4. Remove damaged materials from Site.

1.6 PROJECT CONDITIONS

A. Environmental Requirements

1. Apply coating materials under conditions as follows:

a. Air temperature shall not be below 35 degrees F (2 degrees C) or above 110 degrees F (43 degrees C).

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b. Refer to specific product information sheets for minimum surface temperature requirements. Surface temperatures shall be at least 5°F (15°C) above dew point and in a rising mode.

c. Relative humidity shall be no higher than 85%.

d. For exterior spray application, wind velocity shall be less than 15 mph (25 kph).

e. Atmosphere shall be relatively free of airborne dust.

1.7 SEQUENCING

A. Coordination

1. Perform work in proper sequence with work of other trades to avoid damage to finished work.

2. Where coatings are scheduled to be applied over shop applied coatings, coordinate work of such shop applied products to ensure compatibility with field applied coating systems.

PART 2 - PRODUCTS

2.1 ACCEPTABLE MANUFACTURERS

A. To define requirements for materials, size, and design, this specification lists specific products manufactured by Tnemec Company, Inc. Materials specified herein are cited as minimum standard of quality which will be acceptable. Sherwin Williams is an approved manufacturer.

B. Materials specified herein shall not preclude consideration of equivalent or superior materials. Suggested equivalent materials or other substitutions shall be submitted to Engineer for consideration in compliance with substitution procedures in Section 01631 of this Project Manual.

2.2 EXTERIOR COATING MATERIALS

A. Tnemec - Series 27 - Primer Typoxy

1. Generic Type: Polyamide epoxy

2. Properties:

a. Solids by Vol: 58 +/- 2.0% (mixed)

b. VOC: (Unthinned): 3.01 – 3.13 lbs/gallon

B. Tnemec - Series 73 (semi-gloss) – Endura-Shield

1. Generic Type: Aliphatic acrylic polyurethane

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2. Description: Clear coat used to both enhance finish and extend long-term weathering

a. Solids by Volume: 58.0 +/- 2.0% (mixed).

b. VOC: Unthinned: 2.94 – 3.41 lbs/gallon.

2.3 FINISHING

A. Surface Preparation

1. Clean surfaces of loose scale, rust, oil, dirt, and other foreign matter, immediately prior to priming. Surfaces to be coated shall be clean, dry, smooth and free from dust and foreign matter which will adversely affect adhesion or appearance.

2. Prior to application of primer, steel surfaces shall be prepared to receive coating system in compliance with manufacturer's recommendations and specifications of Steel Structures Painting Council as indicated in Schedule of Coating Systems below.

B. Shop Applied Coatings

1. Steel members shall be provided with one coat of primer as indicated in Schedule below.

2. Apply materials at film thickness specified by methods recommended by manufacturer in compliance with SSPC PA-1.

3. Allow each coat of paint to dry thoroughly before applying succeeding coats.

4. Make finish topcoats smooth, uniform in color, and free of laps, runs, dry spray, over-spray, and skipped or missed areas.

5. Environmental conditions shall be in compliance with coating manufacturer's printed instructions.

PART 3 – EXECUTION

3.1 EXAMINATION

A. Site Verification of Conditions

1. Examine areas and conditions under which application of coating systems shall be performed for conditions that will adversely affect execution, permanence, or quality of coating system application.

2. Correct conditions detrimental to timely and proper execution of Work.

3. Do not proceed until unsatisfactory conditions have been corrected.

4. Commencement of installation constitutes acceptance of conditions and responsibility for satisfactory performance.

3.2 PREPARATION

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A. Protection

1. Take precautionary measures to prevent fire hazards and spontaneous combustion. Remove empty containers from Site.

2. Place cotton waste, cloths and hazardous materials in containers, and remove from Site daily.

3. Provide drop cloths, shields, and other protective equipment.

4. Protect elements surrounding work of this section from damage or disfiguration.

5. As Work proceeds, promptly remove spilled, splashed, or splattered materials from surfaces.

6. During application of coating materials, post Wet Paint signs.

7. During application of solvent-based materials, post No Smoking signs

B. Surface Preparation

1. General Requirements:

2. Shop Painting Inspection: Prior to application of primer, steel surfaces shall be prepared to receive coating system in compliance with the minimum requirements of SSPC-SP 6/NACE No. 3, “Commercial Blast Cleaning.”

a. Verify cleaning operations to surfaces are to condition specified.

b. Verify conformance of paint to specification.

c. Check for thickness of each coating, final thickness and holidays.

d. Check touchup for final finish.

e. Prior to application of primer, surfaces shall be prepared to receive specified coating system in compliance with manufacturer's recommendations and specifications of Steel Structures Painting Council as indicated in Schedule below.

f. Clean surfaces of residual deposits of grease, scale, rust, oil, dirt, and other foreign matter, immediately prior to priming. Surfaces to be coated shall be clean, dry, smooth and free from dust and foreign matter which will adversely affect adhesion or appearance.

3. Ferrous Metal Surfaces

a. Surfaces shall be free of residual deposits of grease, rust, scale, dirt, dust, and oil.

b. For shop primed surfaces, sand and scrape to remove loose primer and rust. Feather edges to make touchup patches inconspicuous. Field welds and touchups shall be prepared to conform to original surface preparation standards as indicated in Schedule of Coating Systems below.

c. Shop applied prime coatings which are damaged during transportation, construction or installation shall be thoroughly cleaned and touched up in field. Use repair procedures which insure complete protection of adjacent primer. Repair methods and equipment may include wire brushing, hand or power tool cleaning or dry air blast cleaning. In order to prevent injury to surrounding painted areas, blast cleaning may necessitate use of lower

099600 - 8 air pressure, small nozzle and abrasive particle sizes, short blast nozzle distance from surface, shielding and masking. If damage is too extensive to tough-up, item shall be re-cleaned and coated or painted.

d. For surfaces not shop primed, surfaces shall be cleaned in compliance with specifications of Steel Structures Painting Council as indicated in Schedule of Coating Systems below.

3.3 APPLICATION

A. General Requirements

1. Apply coating systems in compliance with manufacturer's instructions and using application method best suited for obtaining full, uniform coverage of surfaces to coated.

a. Work shall be implemented in compliance with applicable sections of

AWWA D102.

2. Apply primer, intermediate, and finish coats to comply with wet and dry film thickness and spreading rates for each type of material as recommended by manufacturer.

a. Application rates in excess of those recommended and fewer numbers of coats than specified shall not be accepted.

3. Number of coats specified shall be minimum number acceptable. Apply additional coats as needed to provide a smooth, even application.

a. Closely adhere to re-coat times recommended by manufacturer. Allow each coat to dry thoroughly before applying next coat. Provide adequate ventilation for tank interior to carry off solvents during drying phase.

b. Employ only application equipment that is clean, properly adjusted, and in good working order, and of type recommended by coating manufacturer.

c. After surface preparation, interior weld seams shall be brush applied.

4. Make edges of paint adjoining other materials or colors sharp and clean, without overlapping.

3.4 REPAIR/RESTORATION

A. At completion of Work, touchup and restore finishes where damaged.

B. Defects in Finished Surfaces

1. When stain, dirt, or undercoats show through final coat, correct defects and cover with additional coats until coating is of uniform finish, color, appearance and coverage.

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C. Touchup of minor damage shall be acceptable where result is not visibly different from surrounding surfaces. Where result is visibly different, either in color, sheen, or texture, recoat entire surface.

3.5 FIELD QUALITY CONTROL

D. Manufacturer's Field Service

1. Coatings manufacturer shall be available to provide on-site inspections, technical assistance, and guidance for application of coating system as needed.

3.6 CLEANING

A. At completion of day's work, remove from Site rubbish and accumulated materials.

B. Clean paint spots and other soiling from pre finished surfaces and surfaces with integral finish. Use solvents which will not damage finished surface.

C. Leave storage area clean and in same condition indicated for equivalent spaces in Project.

3.7 PROTECTION

A. Protect work against damage until fully cured. Provide signs identifying wet surfaces until surfaces are adequately cured.

3.8 WASTE MANAGEMENT

A. General Requirement

1. Place materials defined as hazardous or toxic waste in designated containers

2. Return solvent and oil soaked rags for contaminant recovery and laundering or for proper disposal

3. Do not dispose of paints or solvents by pouring on ground. Place in designated containers for proper disposal

4. Where paint recycling is available, collect waste paint by type and provide for delivery to recycling or collection facility.

B. Containment/Disposal Requirements

1. Surface Preparation Debris Containment

a. When required by federal, state or local regulation, entire tank and structure shall be enclosed and surface preparation debris contained.

b. Refer to SSPC 61 Guide for Containing Debris Generated During Paint Removal Operations.

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2. Disposal of Surface Preparation Debris

a. Refer to SSPC 71 Guide for the Disposal of Lead-Contaminated Surface Preparation Debris.

b. Surface preparation debris shall be disposed of in compliance with applicable federal, state and local regulations.

3. Containment/Disposal Costs

a. Painter shall be responsible for costs associated with containment and waste disposal that may result from execution of this Project.

3.9 SCHEDULE OF COATING SYSTEMS

*All coating thicknesses are expressed in dry film thickness (DFT).

A. Ferrous metals. Shop primed; field applied finish coats or field applied system

1. Surface Preparation: SSPC- SP6 Commercial Blast Cleaning.

2. Primer/Shop Coat: Tnemec Series 90-97

a. Dry Film thickness: 2.5 to 3.5 mils

3. First Coat: Tnemec Series 161

a. Dry Film Thickness: 2.0-3.0 mils

4. Finish Coat: Tnemec Series 74

a. Dry Film Thickness: 2.0-3.0 mils

5. Total Dry Film Thickness: 6.5 to 9.5 mils

END OF SECTION 099600