B09_Amendment06_09_91_13_-_Exterior_Painting_0006.pdf

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Exterior Painting

SECTION 09 9113

EXTERIOR PAINTING

PART 1 GENERAL

1.1 SECTION INCLUDES

A. Surface preparation.

B. Field application of paints.

C. Scope: Finish exterior surfaces exposed to view, unless fully factory-finished and unless otherwise indicated, including the following:

1. Exposed surfaces of steel lintels and ledge angles.

2. Mechanical and Electrical:

a. On the roof and outdoors, paint equipment that is exposed to weather or to view, excluding factory-finished materials.

D. Do Not Paint or Finish the Following Items:

1. Items factory-finished unless otherwise indicated; materials and products having factory-applied primers are not considered factory finished.

2. Items indicated to receive other finishes.

3. Items indicated to remain unfinished.

4. Fire rating labels, equipment serial number and capacity labels, and operating parts of equipment.

5. Non-metallic roofing and flashing.

6. Stainless steel, anodized aluminum, bronze, terne-coated stainless steel, zinc, and lead.

7. Marble, granite, slate, and other natural stones.

8. Floors, unless specifically indicated.

9. Ceramic and other types of tiles.

10. Brick, glass unit masonry, architectural concrete, cast stone, integrally colored plaster and stucco.

11. Exterior insulation and finish system (EIFS).

12. Glass.

1.2 RELATED REQUIREMENTS

A. Section 09 9123 - Interior Painting.

1.3 DEFINITIONS

A. Comply with ASTM D16 for interpretation of terms used in this section.

1.4 REFERENCE STANDARDS

A. 40 CFR 59, Subpart D - National Volatile Organic Compound Emission Standards for Architectural Coatings; U.S. Environmental Protection Agency; current edition.

B. ASTM D16 - Standard Terminology for Paint, Related Coatings, Materials, and Applications;

2019.

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C. ASTM D4258 - Standard Practice for Surface Cleaning Concrete for Coating; 2005 (Reapproved 2017).

D. ASTM D4442 - Standard Test Methods for Direct Moisture Content Measurement of Wood and Wood-Based Materials; 2020.

E. CARB (SCM) - Suggested Control Measure for Architectural Coatings; California Air Resources Board; 2020.

F. MPI (APSM) - Master Painters Institute Architectural Painting Specification Manual; Current Edition.

G. SCAQMD 1113 - Architectural Coatings; 1977, with Amendment (2016).

H. SSPC-SP 1 - Solvent Cleaning; 2015, with Editorial Revision (2016).

I. SSPC-SP 3 - Power Tool Cleaning; 2018.

J. SSPC-SP 6 - Commercial Blast Cleaning; 2007.

1.5 SUBMITTALS

A. See Section 01 3000 - Administrative Requirements, for submittal procedures.

B. Product Data: Provide complete list of products to be used, with the following information for each:

1. Manufacturer's name, product name and/or catalog number, and general product category (e.g. "alkyd enamel").

2. Cross-reference to specified paint system(s) product is to be used in; include description of each system.

C. Samples: Submit three paper "draw down" samples, 8-1/2 by 11 inches in size, illustrating range of colors available for each finishing product specified.

1. Where sheen is specified, submit samples in only that sheen.

2. Where sheen is not specified, discuss sheen options with Contracting Officer before preparing samples, to eliminate sheens not required.

D. Manufacturer's Instructions: Indicate special surface preparation procedures.

E. Maintenance Data: Submit data including finish schedule showing where each product/color/finish was used, product technical data sheets, care and cleaning instructions, touch-up procedures, repair of painted and finished surfaces, and color samples of each color and finish used .

F. Maintenance Materials: Furnish the following for Contracting Officer's use in maintenance of project.

1. See Section 01 6000 - Product Requirements, for additional provisions.

2. Extra Paint and Finish Materials: 1 gallon of each color; from the same product run, new containers only (do not leave partially used containers of paint),store where directed.

3. Label each container with color in addition to the manufacturer's label.

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MOCK-UPS

See Section 01 4000 - Quality Requirements, for general requirements for mock-up.

Provide panel, 8 feet long by 8 feet wide, illustrating paint color, texture, and finish.

Provide door and frame assembly illustrating paint color, texture, and finish.

Locate where directed by Contracting Officer.

Mock-up may remain as part of the work.

1.6 DELIVERY, STORAGE, AND HANDLING

A. Deliver products to site in sealed and labeled containers; inspect to verify acceptability.

B. Container Label: Include manufacturer's name, type of paint, brand name, lot number, brand code, coverage, surface preparation, drying time, cleanup requirements, color designation, and instructions for mixing and reducing.

C. Paint Materials: Store at minimum ambient temperature of 45 degrees F and a maximum of 90 degrees F, in ventilated area, and as required by manufacturer's instructions.

1.7 FIELD CONDITIONS

A. Do not apply materials when surface and ambient temperatures are outside the paint product manufacturer's temperature ranges.

B. Follow manufacturer's recommended procedures for producing best results, including testing of substrates, moisture in substrates, and humidity and temperature limitations.

C. Do not apply exterior paint and finishes during rain or snow, or when relative humidity is outside the humidity ranges required by the paint product manufacturer.

D. Minimum Application Temperatures for Latex Paints: 50 degrees F for exterior; unless required otherwise by manufacturer's instructions.

E. Provide lighting level of 80 ft candles measured mid-height at substrate surface.

PART 2 PRODUCTS

2.1 MANUFACTURERS

A. Provide paints and finishes from the same manufacturer to the greatest extent possible.

B. Primer Sealers: Same manufacturer as top coats.

C. Substitutions: See Section 01 6000 - Product Requirements.

2.2 PAINTS AND FINISHES - GENERAL

A. Paints and Finishes: Ready-mixed, unless required to be a field-catalyzed paint.

1. Provide paints and finishes of a soft paste consistency, capable of being readily and uniformly dispersed to a homogeneous coating, with good flow and brushing properties, and capable of drying or curing free of streaks or sags.

2. Provide materials that are compatible with one another and the substrates indicated under conditions of service and application, as demonstrated by manufacturer based on testing and

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3. For opaque finishes, tint each coat including primer coat and intermediate coats, one-half shade lighter than succeeding coat, with final finish coat as base color.

4. Supply each paint material in quantity required to complete entire project's work from a single production run.

5. Do not reduce, thin, or dilute paint or finishes or add materials unless such procedure is described explicitly in manufacturer's product instructions.

B. Volatile Organic Compound (VOC) Content:

1. Provide paints and finishes that comply with the most stringent requirements specified in the following:

a. 40 CFR 59, Subpart D--National Volatile Organic Compound Emission Standards for

Architectural Coatings.

b. SCAQMD 1113 Rule.

c. CARB (SCM).

2. Determination of VOC Content: Testing and calculation in accordance with 40 CFR 59, Subpart D (EPA Method 24), exclusive of colorants added to a tint base and water added at project site; or other method acceptable to authorities having jurisdiction.

C. Flammability: Comply with applicable code for surface burning characteristics.

D. Sheens: Provide the sheens specified; where sheen is not specified, sheen will be selected later by Contracting Officer from the manufacturer's full line.

E. Colors: As indicated in Color Schedule.

2.3 PAINT SYSTEMS - EXTERIOR

A. Paint ME-OP-3A - Ferrous Metals, Unprimed, Alkyd, 3 Coat:

1. One coat of alkyd primer.

2. Gloss: Two coats of alkyd enamel.

3. Abrasion Resistance: 79 mg loss per ASTM D4060

4. Adhesion: 522 psi per ASTM D4541

5. Corrosion Weathering: Rating 10 per ASTM D714 for blistering and Rating 10 per ASTM

D1654 for corrosion per ASTM D5894 10 cycles

6. Direct Impact Resistance: 60 inch lbs. per ASTM D2794

7. Dry Heat Resistance: 200 degrees F per ASTM D2484

8. Flexibility: Pass per ASTM D522 1/4 inch mandrel

9. Humidity Resistance: Rating 2 per ASTM D714 for blistering, Rating 10 per ASTM D1654 for corrosion per ASTM D4585 at 500 hours.

10. Pencil Hardness: 2B per ASTM D3363

11. Water Vapor Permeance: 5.80 perms per ASTM D1653

B. Paint MgE-OP-3A - Galvanized Metals, Alkyd, 3 Coat:

1. One coat galvanize primer.

2. Gloss: Two coats of alkyd enamel.

3. Abrasion Resistance: 79 mg loss per ASTM D4060

4. Adhesion: 522 psi per ASTM D4541

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5. Corrosion Weathering: Rating 10 per ASTM D714 for blistering and Rating 10 per ASTM D1654 for corrosion per ASTM D5894 10 cycles

6. Direct Impact Resistance: 60 inch lbs. per ASTM D2794

7. Dry Heat Resistance: 200 degrees F per ASTM D2484

8. Flexibility: Pass per ASTM D522 1/4 inch mandrel

9. Humidity Resistance: Rating 2 per ASTM D714 for blistering, Rating 10 per ASTM D1654 for corrosion per ASTM D4585 at 500 hours.

10. Pencil Hardness: 2B per ASTM D3363

11. Water Vapor Permeance: 5.80 perms per ASTM D1653

2.4 PRIMERS

A. Use primer as recommended by top coat manufacturer for specific substrate.

B. For galvanized metal use primer specially formulated for galvanized surfaces.

2.5 ACCESSORY MATERIALS

A. Accessory Materials: Provide primers, sealers, cleaning agents, cleaning cloths, sanding materials, and clean-up materials as required for final completion of painted surfaces.

B. Patching Material: Latex filler.

C. Fastener Head Cover Material: Latex filler.

PART 3 EXECUTION

3.1 EXAMINATION

A. Do not begin application of paints and finishes until substrates have been properly prepared.

B. Verify that surfaces are ready to receive work as instructed by the product manufacturer.

C. Examine surfaces scheduled to be finished prior to commencement of work. Report any condition that may potentially effect proper application.

D. Test shop-applied primer for compatibility with subsequent cover materials.

E. Measure moisture content of surfaces using an electronic moisture meter. Do not apply finishes unless moisture content of surfaces are below the following maximums:

1. Exterior Plaster and Stucco: 12 percent.

2. Masonry, Concrete, and Concrete Masonry Units: 12 percent.

3. Exterior Wood: 15 percent, measured in accordance with ASTM D4442.

4. Concrete Floors and Traffic Surfaces: 8 percent.

3.2 PREPARATION

A. Clean surfaces thoroughly and correct defects prior to application.

B. Prepare surfaces using the methods recommended by the manufacturer for achieving the best result for the substrate under the project conditions.

C. Remove or repair existing paints or finishes that exhibit surface defects.

D. Remove surface appurtenances, including electrical plates, hardware, light fixture trim, escutcheons, and fittings, prior to preparing surfaces for finishing.

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E. Seal surfaces that might cause bleed through or staining of topcoat.

F. Remove mildew from impervious surfaces by scrubbing with solution of tetra-sodium phosphate and bleach. Rinse with clean water and allow surface to dry.

G. Galvanized Surfaces:

1. Remove surface contamination and oils and wash with solvent according to SSPC-SP 1.

2. Prepare surface according to SSPC-SP 3.

3. Test that oil, passivator, and white rust have been moved. Do not use hydrocarbon solvents.

Test for adhesion.

H. Ferrous Metal:

1. Solvent clean according to SSPC-SP 1.

2. Shop-Primed Surfaces: Sand and scrape to remove loose primer and rust. Feather edges to make touch-up patches inconspicuous. Clean surfaces with solvent. Prime bare steel surfaces.

3. Remove rust, loose mill scale, and other foreign substances using using methods recommended in writing by paint manufacturer and blast cleaning according to SSPC-SP 6 "Commercial Blast Cleaning". Protect from corrosion until coated.

I. Exterior Wood Surfaces to Receive Opaque Finish: Remove dust, grit, and foreign matter. Seal knots, pitch streaks, and sappy sections. Fill nail holes with tinted exterior calking compound after prime coat has been applied. Back prime concealed surfaces before installation.

J. Metal Doors to be Painted: Prime metal door top and bottom edge surfaces.

3.3 APPLICATION

A. Remove unfinished louvers, grilles, covers, and access panels on mechanical and electrical components and paint separately.

B. Apply products in accordance with manufacturer's written instructions and recommendations in "MPI Architectural Painting Specification Manual".

C. Where adjacent sealant is to be painted, do not apply finish coats until sealant is applied.

D. Do not apply finishes to surfaces that are not dry. Allow applied coats to dry before next coat is applied.

E. Apply each coat to uniform appearance.

F. Dark Colors and Deep Clear Colors: Regardless of number of coats specified, apply additional coats until complete hide is achieved.

G. Sand wood and metal surfaces lightly between coats to achieve required finish.

H. Vacuum clean surfaces of loose particles. Use tack cloth to remove dust and particles just prior to applying next coat.

I. Reinstall electrical cover plates, hardware, light fixture trim, escutcheons, and fittings removed prior to finishing.

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3.4 FIELD QUALITY CONTROL

A. See Section 01 4000 - Quality Requirements, for general requirements for field inspection.

B. Inspect and test questionable coated areas in accordance with paint manufacturer's recommendations.

3.5 CLEANING

A. Collect waste material that could constitute a fire hazard, place in closed metal containers, and remove daily from site.

3.6 PROTECTION

A. Protect finishes until completion of project.

B. Touch-up damaged finishes after Substantial Completion.

3.7 SCHEDULE - PAINT SYSTEMS

A. Concrete, Concrete Masonry Units (CMU), Concrete Block: Finish surfaces exposed to view.

1. Exterior: E-OP, satin

B. Exterior Plaster: Finish surfaces exposed to view.

1. Exterior: E-OP, satin

C. Steel Fabrications: Finish surfaces exposed to view.

1. Exterior: ME-OP-3A, gloss; finish all surfaces, including concealed surfaces, before installation.

D. Galvanized Steel: Finish surfaces exposed to view.

1. Exterior: Paint MgE-OP-3A, gloss.

E. Shop-Primed Metal Items: Finish surfaces exposed to view.

1. Finish the following items:

a. Exposed surfaces of lintels.

b. Exposed surfaces of steel stairs and railings.

c. Mechanical equipment.

d. Electrical equipment.

2. Exterior: Paint-ME-OP-3A, gloss.

3.8 COLOR SCHEDULE

A. See Color Schedule in 09 9123 Interior Painting.

END OF SECTION

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