AMDT0003_PN88658_2020.12.23_Summary_of_Technical_Changes[REVISED] FINAL.pdf
PDF 2 MB Posted
- Attached to
- PN 88658 SOF Operations Facility Federal contract opportunity
- Solicitation number
- W912PM20R0009
About this file
This solicitation requests proposals for the construction of a Special Operations Forces Operations Facility project at Fort Bragg, North Carolina. The scope of work includes construction of administrative areas, mission planning areas, vehicle bays, climate controlled pallet storage with lift, petroleum, oil and lubricants storage, arms vaults, individual unit caged storage, engineering workshops, latrines with lockers, and laundry. It also includes space for a Secure Compartmentalized Information Facility with administrative area, 50-person classroom, operations center, and Special Access Programs. Supporting facilities such as site development, utilities, lighting, parking, and landscaping are required. The facility will be designed for a 40-year minimum life in accordance with Unified Facilities Criteria and will include sustainable/energy measures, accessibility, and cybersecurity. Electronic security, audiovisual, and long-distance utility connection services are included. The solicitation was issued by the Department of the Army Corps of Engineers Engineering District Wilmington.
View the file
Other files for this federal contract opportunity
Show all 50
PN 88658 SOF Operations Facility has more files on GovTribe.
On GovTribe
Work with this file on GovTribe
- Download the original file
- Contacts named in this file
- Similar government files
- Ask GovTribe AI about this file
Text version
Solicitation #W912-PM-20-R-0009 SOF Operations Facility - Fort Bragg, North Carolina Amendment No. 0003 Date: 23 DEC 2020
SUMMARY OF CHANGES
1. CHANGES TO SPECIFICATIONS. Attached hereto are [new, revised and deleted] sections to the specifications. Revised sections replace like numbered sections. Revised pages replace like-numbered pages. Revision mark “****Amendment 0003****” is shown on each revised page.
A. REVISED SECTIONS. The following revised sections replace like numbered sections.
Changes to text are indicated by underline and/or strike-through.
Volume 1 of 3, Page 2, RTA Submission Cover.
- Revised Solicitation No. to W912PM20R0009 Volume 2 of 3, Page 2, RTA Submission Cover
- Revised Solicitation No. to W912PM20R0009 SECTION 09 29 00 GYPSUM BOARD (Volume 1) SECTION 09 90 00 PAINTS AND COATINGS (Volume 1)
B. NEW SECTIONS. The following are added to the sections.
None.
C. DELETED SECTION: The following sections are deleted:
None.
2. CHANGES TO DRAWINGS. Attached hereto are [new and revised] drawing sheets. Revised sheets replace like-numbered sheets. The revision tracker in the Title Block of each sheet is populated to reflect the current Amendment Number and issue date.
A. REVISED DRAWINGS (ISSUED). The following revised drawings replace like numbered drawings and are issued herewith:
Sheet ID Volume Mark Revision Date
G-001.1 1 of 2 N/A 12.23.2020
B. NEW DRAWINGS (ISSUED). The following new drawings are added to the drawing set and are issued herewith:
Sheet ID Volume Mark Date
N/A N/A N/A N/A
…end of summary…
SOLICITATIONUNCLASSIFIED//FOR OFFICIAL USE ONLY
SOLICITATIONUNCLASSIFIED//FOR OFFICIAL USE ONLY
SOF Operations Facility Fort Bragg, NC
PN88658, FY 21
Specifications Volume 1 of 2 Ready to Advertise (RTA) Submission
Solicitation No: W912PM20R0009
Prepared for:
U.S. Army Corps of Engineers, Wilmington District
Prepared by:
AECOM Project No.: 60600110 AECOM Contract No.: W912-HN-14-D-0019 AECOM Delivery Order No.:
W912PM19F0025
Date: 11 November 2020
UNCLASSIFIED//FOR OFFICIAL USE ONLY
UNCLASSIFIED//FOR OFFICIAL USE ONLY
SOF Operations Facility Fort Bragg, NC
PN88658, FY 21
Specifications Volume 2 of 2 Ready to Advertise (RTA) Submission
Solicitation No: W912PM20R0009
Prepared for:
U.S. Army Corps of Engineers, Wilmington District
Prepared by:
AECOM Project No.: 60600110 AECOM Contract No.: W912-HN-14-D-0019 AECOM Delivery Order No.:
W912PM19F0025
Date: 11 November 2020
SOF OPERATIONS FACILITY PN 88658
FORT BRAGG, NORTH CAROLINA
SECTION 09 29 00
GYPSUM BOARD
08/16
PART 1 GENERAL
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 NATIONAL STANDARDS INSTITUTE (ANSI)
ANSI A108.11 (1992; Reaffirmed 2005) Specifications for Interior Installation of Cementitious Backer Units
ASTM INTERNATIONAL (ASTM)
ASTM C1002 (2018) Standard Specification for Steel Self-Piercing Tapping Screws for the Application of Gypsum Panel Products or Metal Plaster Bases to Wood Studs or Steel Studs
ASTM C1047 (2014a) Standard Specification for Accessories for Gypsum Wallboard and Gypsum Veneer Base
ASTM C1177/C1177M (2017) Standard Specification for Glass Mat Gypsum Substrate for Use as Sheathing
ASTM C1178/C1178M (2013) Standard Specification for Glass Mat Water-Resistant Gypsum Backing Panel
ASTM C1396/C1396M (2017) Standard Specification for Gypsum Board
ASTM C1629/C1629M (2015) Standard Classification for Abuse-Resistant Nondecorated Interior Gypsum Panel Products and Fiber-Reinforced Cement Panels
ASTM C475/C475M (2017) Standard Specification for Joint Compound and Joint Tape for Finishing Gypsum Board
ASTM C840 (2017) Standard Specification for Application and Finishing of Gypsum Board
ASTM C954 (2018) Standard Specification for Steel Drill Screws for the Application of Gypsum Panel Products or Metal Plaster Bases to Steel Studs from 0.033 in. (0.84 mm) to
0.112 in. (2.84 mm) in Thickness
SECTION 09 29 00 Page 1 Revised by Amendment No. 0003
ASTM D1037 (2012) Evaluating Properties of Wood-Base Fiber and Particle Panel Materials
ASTM D1149 (2007; R 2012) Standard Test Method for Rubber Deterioration - Surface Ozone Cracking in a Chamber
ASTM D226/D226M (2017) Standard Specification for Asphalt-Saturated Organic Felt Used in Roofing and Waterproofing
ASTM D2394 (2017) Standard Test Methods for Simulated Service Testing of Wood and Wood-Base Finish Flooring
ASTM D412 (2016) Standard Test Methods for Vulcanized Rubber and Thermoplastic Elastomers - Tension
ASTM D5420 (2016) Standard Test Method for Impact Resistance of Flat, Rigid Plastic Specimen by Means of a Strike Impacted by a Falling Weight (Gardner Impact)
ASTM D624 (2000; R 2012) Tear Strength of Conventional Vulcanized Rubber and Thermoplastic Elastomers
ASTM E695 (2003; R 2015; E 2015) Measuring Relative Resistance of Wall, Floor, and Roof Construction to Impact Loading
ASTM E84 (2020) Standard Test Method for Surface Burning Characteristics of Building Materials
CALIFORNIA DEPARTMENT OF PUBLIC HEALTH (CDPH)
CDPH SECTION 01350 (2010; Version 1.1) Standard Method for the Testing and Evaluation of Volatile Organic Chemical Emissions from Indoor Sources using Environmental Chambers
FM GLOBAL (FM)
FM APP GUIDE (updated on-line) Approval Guide http://www.approvalguide.com/
GREEN SEAL (GS)
GS-36 (2013) Adhesives for Commercial Use
GYPSUM ASSOCIATION (GA)
GA 214 (2010) Recommended Levels of Gypsum Board Finish
GA 216 (2010) Application and Finishing of Gypsum Panel Products
SECTION 09 29 00 Page 2
GA 253 (2012) Application of Gypsum Sheathing
SCIENTIFIC CERTIFICATION SYSTEMS (SCS)
SCS SCS Global Services (SCS) Indoor Advantage
SOUTH COAST AIR QUALITY MANAGEMENT DISTRICT (SCAQMD)
SCAQMD Rule 1168 (2017) Adhesive and Sealant Applications
UNDERWRITERS LABORATORIES (UL)
UL 2818 (2013) GREENGUARD Certification Program For Chemical Emissions For Building Materials, Finishes And Furnishings
UL Fire Resistance (2014) Fire Resistance Directory
1.2 SUBMITTALS
Government approval is required for submittals with a "G" designation;
submittals not having a "G" designation are for Contractor Quality Control approval. When used, a designation following the "G" designation identifies the office that will review the submittal for the Government.
Submittals with an "S" are for inclusion in the Sustainability Notebook, in conformance to Section 01 33 29 SUSTAINABILITY REPORTING. Submit the following in accordance with Section 01 33 00.00 37 SUBMITTAL PROCEDURES:
SD-03 Product Data
Cementitious Backer Units
Glass Mat Water-Resistant Gypsum Tile Backing Board
Water-Resistant Gypsum Backing Board
Glass Mat Covered or Reinforced Gypsum Sheathing
Glass Mat Covered or Reinforced Gypsum Sheathing Sealant
Abuse Resistant Gypsum Board
Accessories
Submit for each type of gypsum board and for cementitious backer units.
Gypsum Board
Recycled Content for Gypsum Board; S
VOC Content of Joint Compound; S
SD-07 Certificates
Asbestos Free Materials
Certify that gypsum board types, gypsum backing board types, SECTION 09 29 00 Page 3 cementitious backer units, and joint treating materials do not contain asbestos.
Indoor Air Quality for Gypsum Board; S
Indoor Air Quality for Non-aerosol Adhesives; S
Indoor Air Quality for Aerosol Adhesives; S
1.3 CERTIFICATIONS
1.3.1 Indoor Air Quality Certifications
Submit required indoor air quality certifications in one submittal package.
1.3.1.1 Ceiling and Wall Systems
Provide products certified to meet indoor air quality requirements by UL 2818 (Greenguard) Gold, SCS Global Services Indoor Advantage Gold or provide certification or validation by other third-party program that products meet the requirements of this Section. Provide current product certification documentation from certification body. When product does not have certification, provide validation that product meets the indoor air quality product requirements cited herein.
1.3.1.2 Adhesives and Sealants
Provide products certified to meet indoor air quality requirements by UL 2818 (Greenguard) Gold, SCS Global Services Indoor Advantage Gold or provide certification or validation by other third-party program that products meet the requirements of this Section. Provide current product certification documentation from certification body. When product does not have certification, provide validation that product meets the indoor air quality product requirements cited herein.
1.4 DELIVERY, STORAGE, AND HANDLING
1.4.1 Delivery
Deliver materials in the original packages, containers, or bundles with each bearing the brand name, applicable standard designation, and name of manufacturer, or supplier.
1.4.2 Storage
Keep materials dry by storing inside a sheltered building. Where necessary to store gypsum board and cementitious backer units outside, store off the ground, properly supported on a level platform, and protected from direct exposure to rain, snow, sunlight, and other extreme weather conditions. Provide adequate ventilation to prevent condensation. Store per manufacturer's recommendations for allowable temperature and humidity range. Do not store panels near materials that may offgas or emit harmful fumes, such as kerosene heaters, fresh paint, or adhesives. Do not use materials that have visible moisture or biological growth.
1.4.3 Handling
Neatly stack gypsum board and cementitious backer units flat to prevent
SECTION 09 29 00 Page 4 sagging or damage to the edges, ends, and surfaces.
1.5 QUALIFICATIONS
Furnish type of gypsum board work specialized by the installer with a minimum of 3 years of documented successful experience.
1.6 ENVIRONMENTAL REQUIREMENTS
Do not expose the gypsum board to excessive sunlight prior to gypsum board application. Maintain a continuous uniform temperature of not less than 50 degrees F and not more than 80 degrees F for at least one week prior to the application of gypsum board work, while the gypsum board application is being done, and for at least one week after the gypsum board is set.
Shield air supply and distribution devices to prevent any uneven flow of air across the plastered surfaces. Provide ventilation to exhaust moist air to the outside during gypsum board application, set, and until gypsum board jointing is dry. In glazed areas, keep windows open top and bottom or side to side 3 to 4 inches. Reduce openings in cold weather to prevent freezing of joint compound when applied. For enclosed areas lacking natural ventilation, provide temporary mechanical means for ventilation.
In unglazed areas subjected to hot, dry winds or temperature differentials from day to night of 20 degrees F or more, screen openings with cheesecloth or similar materials. Avoid rapid drying. During periods of low indoor humidity, provide minimum air circulation following gypsum boarding and until gypsum board jointing complete and is dry.
1.7 FIRE RESISTIVE CONSTRUCTION
Comply with specified fire-rated assemblies for design numbers indicated per UL Fire Resistance or FM APP GUIDE.
PART 2 PRODUCTS
2.1 MATERIALS
Conform to specifications, standards and requirements specified. Provide gypsum board types, gypsum backing board types, cementitious backing units, and joint treating materials manufactured from asbestos free materials only.
2.1.1 Gypsum Board
ASTM C1396/C1396M . Gypsum board must contain a minimum of 5 percent post-consumer recycled content, or a minimum of 20 percent post-industrial recycled content. Provide data identifying percentage of recycled content for gypsum board. Provide gypsum wall board and panels meeting the emissions requirements of CDPH SECTION 01350 (limit requirements for either office or classroom spaces regardless of space type). Provide certification or validation of indoor air quality for gypsum board.
2.1.1.1 Regular
48 inch wide, 5/8 inch thick, tapered edges.
2.1.1.2 Type X (Special Fire-Resistant)
48 inch wide, 5/8 inch thick, tapered edges.
SECTION 09 29 00 Page 5
2.1.2 Regular Water-Resistant Gypsum Backing Board
ASTM C1396/C1396M
2.1.2.1 Regular
48 inch wide, 5/8 inch thick, tapered edges.
2.1.2.2 Type X (Special Fire-Resistant)
48 inch wide, 5/8 inch thick, tapered edges.
2.1.3 Glass Mat Water-Resistant Gypsum Tile Backing Board
ASTM C1178/C1178M
2.1.3.1 Regular
48 inch wide, 5/8 inch thick, square edges.
2.1.3.2 Type X (Special Fire-Resistant)
48 inch wide, 5/8 inch thick, square edges.
2.1.4 Glass Mat Covered or Reinforced Gypsum Sheathing
Exceeds physical properties of ASTM C1396/C1396M and ASTM C1177/C1177M .
Provide 1/2 inch, gypsum sheathing. Provide gypsum board of with a noncombustible water-resistant core, with glass mat surfaces embedded to the gypsum core or reinforcing embedded throughout the gypsum core.
Warrant gypsum sheathing board for at least twelve months against delamination due to direct weather exposure. Provide continuous, asphalt impregnated, building felt to cover exterior face of sheathing. Seal all joints, seams, and penetrations with compatible sealant.
2.1.4.1 Glass Mat Covered or Reinforced Gypsum Sheathing Sealant
Provide sealant compatible with glass mat covered or reinforced gypsum sheathing, rubber washers for masonry veneer anchors, and other associated cavity wall components such as anchors and through wall flashing. Provide sealants for glass mat covered or reinforced gypsum sheathing board edge seams and veneer anchor penetrations recommended by the glass mat covered or reinforced gypsum sheathing manufacturer and have the following performance requirements:
a. ASTM D412: Tensile Strength, 80 psi
b. ASTM D412: Ultimate Tensile Strength (maximum elongation), 170 psi
c. ASTM D624: Tear Strength, dieB, 27 ppi
d. ASTM D1149: Joint Movement Capability after 14 Days cure, plus or minus 50 percent.
2.1.5 Abuse Resistant Gypsum Board
48 inch wide, 5/8 inch thick, tapered edges.
Reinforced gypsum panel with imbedded fiber mesh or lexan backing tested in accordance with the following tests. Hard body impact test must attain a Level 2 performance in accordance with ASTM C1629/C1629M . Provide fasteners that meet manufacturer requirements and specifications stated within this section. Abuse resistant gypsum board, when tested in
SECTION 09 29 00 Page 6 accordance with ASTM E84, have a flame spread rating of 25 or less and a smoke developed rating of 50 or less.
2.1.5.1 Soft Body Impact Test
ASTM E695 or ASTM D2394 for impact penetration and deformation. ASTM E695 using a 60 lb leather bag filled with steel pellets, resisting no less than 300 ft. lb. cumulative impact energy before failure or ASTM D2394 using
5.5 inch hemispherical projectile resisting no less than 264 ft. lb.
before failure. Provide test specimen stud spacing a minimum 16 inch on center.
2.1.5.2 Hard Body Impact Test
Comply with hard body impact test in accordance with ASTM C1629/C1629M Classification Level 2.
2.1.5.3 Surface Abrasion Test
Comply with test surface abrasion test in accordance with ASTM C1629/C1629M .
2.1.5.4 Indentation Test
ASTM D5420 or ASTM D1037 for indentation resistance. ASTM D5420 using a 32 oz weight with a 5/8 inch hemispherical impacting head dropped once 3 feet creating not more than 0.137 inch indentation or ASTM D1037 using no less than 470 lb weight applied to the 0.438 inch diameter ball to create not more than a 0.0197 inch indentation depth.
2.1.6 Cementitious Backer Units
In accordance with the Tile Council of America (TCA) Handbook.
2.1.7 Joint Treatment Materials
ASTM C475/C475M. Product must be low emitting VOC types with VOC limits not exceeding 50 g/L. Provide data identifying VOC content of joint compound. Use all purpose joint and texturing compound containing inert fillers and natural binders, including lime compound. Pre-mixed compounds must be free of antifreeze, vinyl adhesives, preservatives, biocides and other slow releasing compounds.
2.1.7.1 Embedding Compound
Specifically formulated and manufactured for use in embedding tape at gypsum board joints and compatible with tape, substrate and fasteners.
2.1.7.2 Finishing or Topping Compound
Specifically formulated and manufactured for use as a finishing compound.
2.1.7.3 All-Purpose Compound
Specifically formulated and manufactured to serve as both a taping and a finishing compound and compatible with tape, substrate and fasteners.
2.1.7.4 Setting or Hardening Type Compound
Specifically formulated and manufactured for use with fiber glass mesh
SECTION 09 29 00 Page 7 tape.
2.1.7.5 Joint Tape
Use cross-laminated, tapered edge, reinforced paper, or fiber glass mesh tape recommended by the manufacturer.
2.1.8 Fasteners
2.1.8.1 Screws
ASTM C1002, Type "G", Type "S" or Type "W" steel drill screws for fastening gypsum board to gypsum board, wood framing members and steel framing members less than 0.033 inch thick. ASTM C954 steel drill screws for fastening gypsum board to steel framing members 0.033 to 0.112 inch thick. Provide cementitious backer unit screws with a polymer coating.
2.1.9 Adhesives
Provide non-aerosol adhesive products used on the interior of the building (defined as inside of the weatherproofing system) meeting either emissions requirements of CDPH SECTION 01350 (limit requirements for either office or classroom spaces regardless of space type) or VOC content requirements of SCAQMD Rule 1168 . Provide aerosol adhesive products used on the interior of the building (defined as inside of the weatherproofing system) meeting either emissions requirements of CDPH SECTION 01350 (limit requirements for either office or classroom spaces regardless of space type) or VOC content requirements of GS-36. Provide certification or validation of indoor air quality for non-aerosol adhesives applied on the interior of the building (inside of the weatherproofing system). Provide certification or validation of indoor air quality for aerosol adhesives used on the interior of the building (inside of the weatherproofing system).
2.1.9.1 Adhesive for Fastening Gypsum Board to Metal Framing
Not permitted.
2.1.9.2 Adhesive for Laminating
Adhesive attachment is not permitted for multi-layer gypsum boards. For laminating gypsum toconcrete, provide adhesive recommended by gypsum board manufacturer.
2.1.10 Shaftwall Liner Panel
ASTM C1396/C1396M . Conform to the UL Fire Resistance for the Design Numbers(s) indicated for shaftwall liner panels. Manufacture liner panel for cavity shaftwall system, with water-resistant paper faces, bevel edges, single lengths to fit required conditions, 1 inch thick, by 24inch wide.
2.1.11 Accessories
ASTM C1047. Fabricate from corrosion protected steel or plastic designed for intended use. Accessories manufactured with paper flanges are not acceptable. Flanges must be free of dirt, grease, and other materials that may adversely affect bond of joint treatment. Provide prefinished or job decorated materials.
SECTION 09 29 00 Page 8
2.1.12 Asphalt Impregnated Building Felt
Provide a 15 lb asphalt moisture barrier over glass mat covered or reinforced gypsum sheathing. Conforming to ASTM D226/D226M Type 1 (No.
15) for asphalt impregnated building felt.
2.1.13 Water
Provide clean, fresh, and potable water.
PART 3 EXECUTION
3.1 EXAMINATION
3.1.1 Framing and Furring
Verify that framing and furring are securely attached and of sizes and spacing to provide a suitable substrate to receive gypsum board and cementitious backer units. Verify that all blocking, headers and supports are in place to support plumbing fixtures and to receive soap dishes, grab bars, towel racks, and similar items. Do not proceed with work until framing and furring are acceptable for application of gypsum board and cementitious backer units.
3.1.2 Gypsum Board
Verify that surfaces of gypsum board to be bonded with an adhesive are free of dust, dirt, grease, and any other foreign matter. Do not proceed with work until surfaces are acceptable for application of gypsum board with adhesive.
3.1.3 Concrete Walls
Verify that surfaces of concrete walls to receive gypsum board applied with adhesive are dry, free of dust, oil, form release agents, protrusions and voids, and any other foreign matter. Do not proceed with work until surfaces are acceptable for application of gypsum board with adhesive.
3.1.4 Building Construction Materials
Do not install building construction materials that show visual evidence of biological growth.
3.2 APPLICATION OF GYPSUM BOARD
Apply gypsum board to framing and furring members in accordance with ASTM C840 or GA 216 and the requirements specified. Apply gypsum board with separate panels in moderate contact; do not force in place. Stagger end joints of adjoining panels. Neatly fit abutting end and edge joints.
Use gypsum board of maximum practical length; select panel sizes to minimize waste. Cut out gypsum board to make neat, close, and tight joints around openings. In vertical application of gypsum board, provide panels in lengths required to reach full height of vertical surfaces in one continuous piece. Lay out panels to minimize waste; reuse cutoffs whenever feasible. Surfaces of gypsum board and substrate members may not be bonded together with an adhesive. Treat edges of cutouts for plumbing pipes, screwheads, and joints with water-resistant compound as recommended by the gypsum board manufacturer. Provide type of gypsum board for use in
SECTION 09 29 00 Page 9 each system specified herein as indicated.
3.2.1 Adhesive Application to Interior Masonry or Concrete Walls
Apply in accordance with ASTM C840, System VI or GA 216 .
3.2.2 Application of Gypsum Board to Steel Framing and Furring
Apply in accordance with ASTM C840, System VIII or GA 216 .
3.2.3 Arches and Bending Radii
Apply gypsum board in accordance with ASTM C840, System IX or GA 216 .
3.2.4 Exterior Application
Apply exterior gypsum board (such as at soffits) in accordance with ASTM C840, System XI or GA 216 .
3.2.5 Glass Mat Covered or Fiber Reinforced Gypsum Sheathing
Apply glass mat covered or fiber reinforced gypsum sheathing in accordance to gypsum association publications GA 253 . Follow gypsum sheathing manufacturer's requirements of design details for joints and fasteners and be properly installed to protect the substrate from moisture intrusion.
Do not leave exposed surfaces of the glass mat covered or fiber reinforced gypsum sheathing beyond the manufacturer's recommendation without a weather barrier cladding. Provide continuous asphalt impregnated building felt over sheathing surface in shingle fashion with edges and ends lapped a minimum of 6 inch. Properly flash the openings. Seal all joints, seams, and penetrations with a compatible silicone sealant.
3.2.6 Control Joints
Install expansion and contraction joints in ceilings and walls in accordance with ASTM C840, System XIII or GA 216 . Fill control joints between studs in fire-rated construction with firesafing insulation to match the fire-rating of construction.
3.2.7 Application of Abuse Resistant Gypsum Board
Apply in accordance with applicable system of ASTM C840 as specified or GA 216 . Follow manufacturers written instructions on how to cut, drill and attach board.
3.3 APPLICATION OF CEMENTITIOUS BACKER UNITS
3.3.1 Application
In wet areas (tubs, shower enclosures, saunas, steam rooms, gang shower rooms), apply cementitious backer units in accordance with ANSI A108.11 .
Place a 15 lb asphalt impregnated, continuous felt paper membrane behind cementitious backer units, between backer units and studs or base layer of gypsum board. Place membrane with a minimum 6 inch overlap of sheets laid shingle style.
3.3.2 Joint Treatment
ANSI A108.11 .
SECTION 09 29 00 Page 10
****Amendment 0003****
3.4 FINISHING OF GYPSUM BOARD
Tape and finish gypsum board in accordance with ASTM C840, GA 214 and GA 216 . Finish plenum areas above ceilings to Level 1 in accordance with GA 214 . Finish plenum areas above ceilings and below raised acess floors at security boundary walls to Level 4 and paint. Finish water resistant gypsum backing board, ASTM C1396/C1396M , to receive ceramic tile to Level 2 in accordance with GA 214 . Finish walls and ceilings to receive a heavy-grade wall covering or heave textured finish before painting to Level 3 in accordance with GA 214 . Finish walls and ceilings without critical lighting to receive flat paints, light textures, or wall coverings to Level 4 in accordance with GA 214 . Unless otherwise specified, finish all gypsum board walls, partitions and ceilings to Level 5 in accordance with GA 214 . Level 4 finish is acceptable in all non-public spaces including Janitor's Closets, Mechanical Rooms and Storage Rooms. Provide joint, fastener depression, and corner treatment.
Tool joints as smoothly as possible to minimize sanding and dust. Do not use self-adhering fiber glass mesh tape with conventional drying type joint compounds; use setting or hardening type compounds only. Provide treatment for water-resistant gypsum board as recommended by the gypsum board manufacturer. Protect workers, building occupants, and HVAC systems from gypsum dust.
****Amendment 0003****
3.5 SEALING
Seal openings around pipes, fixtures, and other items projecting through gypsum board and cementitious backer units as specified in Section 07 92 00 JOINT SEALANTS. Apply material with exposed surface flush with gypsum board or cementitious backer units.
3.5.1 Sealing for Glass Mat or Reinforced Gypsum Board Sheathing
Apply silicone sealant in a 3/8 inch bead to all joints and trowel flat.
Apply enough of the same sealant to all fasteners penetrating through the glass mat gypsum board surface to completely cover the penetration when troweled flat. Do not place construction and materials behind sheathing until a visual inspection of sealed joints during daylight hours has been completed by Contracting Officer.
3.6 FIRE-RESISTANT ASSEMBLIES
Wherever fire-rated construction is indicated, provide materials and application methods, including types and spacing of fasteners, wall and ceiling framing in accordance with the specifications contained in UL Fire Resistance for the Design Number(s) indicated. Joints of fire-rated gypsum board enclosures must be closed and sealed in accordance with UL test requirements or GA requirements. Seal penetrations through rated partitions and ceilings tight in accordance with tested systems.
3.7 PATCHING
Patch surface defects in gypsum board to a smooth, uniform appearance, ready to receive finishes.
SECTION 09 29 00 Page 11
3.8 SHAFTWALL FRAMING
Install the shaftwall system in accordance with the system manufacturer's published instructions. Coordinate bucks, anchors, blocking and other items placed in or behind shaftwall framing with electrical and mechanical work. Patch or replace fireproofing materials which are damaged or removed during shaftwall construction.
-- End of Section --
SECTION 09 29 00 Page 12
SECTION 09 90 00
PAINTS AND COATINGS
05/11
PART 1 GENERAL
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 CONFERENCE OF GOVERNMENTAL INDUSTRIAL HYGIENISTS (ACGIH)
ACGIH 0100 (2015; Suppl 2002-2016) Documentation of the Threshold Limit Values and Biological Exposure Indices
ASME INTERNATIONAL (ASME)
ASME A13.1 (2015) Scheme for the Identification of Piping Systems
ASTM INTERNATIONAL (ASTM)
ASTM D235 (2002; R 2012) Mineral Spirits (Petroleum Spirits) (Hydrocarbon Dry Cleaning Solvent)
ASTM D4263 (1983; R 2012) Standard Test Method for Indicating Moisture in Concrete by the Plastic Sheet Method
ASTM D4444 (2013) Use and Calibration of Hand-Held Moisture Meters
ASTM D523 (2014; R 2018) Standard Test Method for Specular Gloss
ASTM D6386 (2016) Standard Practice for Preparation of Zinc (Hot-Dip Galvanized) Coated Iron and Steel Product and Hardware Surfaces for Painting
ASTM F1869 (2016) Standard Test Method for Measuring Moisture Vapor Emission Rate of Concrete Subfloor Using Anhydrous Calcium Chloride
MASTER PAINTERS INSTITUTE (MPI)
MPI 101 (2012) Primer, Epoxy, Anti-Corrosive, for Metal
MPI 107 (2012) Primer, Rust-Inhibitive, Water Based
MPI 108 (2012) Epoxy, High Build, Low Gloss
MPI 134 (2012) Primer, Galvanized, Water Based
SECTION 09 90 00 Page 1
MPI 141 (2012) Latex, Interior, High Performance Architectural, Semi-Gloss (MPI Gloss Level 5)
MPI 144 (2012) Latex, Interior, Institutional Low Odor/VOC, (MPI Gloss Level 2)
MPI 145 (2012) Latex, Interior, Institutional Low Odor/VOC, ( MPI Gloss Level 3)
MPI 147 (May 2016) Latex, Interior, Institutional Low Odor/VOC, Semi-Gloss (MPI Gloss Level 5)
MPI 153 (2012) Light Industrial Coating, Interior, Water Based, Semi-Gloss (MPI Gloss Level 5)
MPI 163 (2012) Light Industrial Coating, Exterior, Water Based, Semi-Gloss (MPI Gloss Level 5)
MPI 164 (2012) Light Industrial Coating, Exterior, Water Based, Gloss (MPI Gloss Level 6)
MPI 23 (2012) Primer, Metal, Surface Tolerant
MPI 39 (2012) Primer, Latex, for Interior Wood
MPI 4 (2012) Interior/Exterior Latex Block Filler
MPI 50 (2012) Primer Sealer, Latex, Interior
MPI 72 (2012) Polyurethane, Two-Component, Pigmented, Gloss (MPI Gloss Level 6-7)
MPI 79 (2012) Primer, Alkyd, Anti-Corrosive for Metal
MPI 9 (2012) Alkyd, Exterior Gloss (MPI Gloss Level 6)
MPI 95 (2012) Primer, Quick Dry, for Aluminum
SCIENTIFIC CERTIFICATION SYSTEMS (SCS)
SCS SCS Global Services (SCS) Indoor Advantage
SOCIETY FOR PROTECTIVE COATINGS (SSPC)
SSPC 7/NACE No.4 (2007; E 2004) Brush-Off Blast Cleaning
SSPC PA 1 (2016) Shop, Field, and Maintenance Coating of Metals
SSPC PA Guide 3 (1982; E 1995) A Guide to Safety in Paint Application
SSPC SP 1 (2015) Solvent Cleaning
SECTION 09 90 00 Page 2
SSPC SP 10/NACE No. 2 (2007) Near-White Blast Cleaning
SSPC SP 12/NACE No.5 (2002) Surface Preparation and Cleaning of Metals by Waterjetting Prior to Recoating
SSPC SP 2 (1982; E 2000; E 2004) Hand Tool Cleaning
SSPC SP 3 (1982; E 2004) Power Tool Cleaning
SSPC SP 6/NACE No.3 (2007) Commercial Blast Cleaning
****Amendment 0003****
SSPC QP 9 (2018) Standard Procedure for Evaluating the Qualifications of Commercial Paintings and Coating Contractors
****Amendment 0003****
SSPC VIS 1 (2002; E 2004) Guide and Reference Photographs for Steel Surfaces Prepared by Dry Abrasive Blast Cleaning
SSPC VIS 3 (2004) Guide and Reference Photographs for Steel Surfaces Prepared by Hand and Power Tool Cleaning
SSPC VIS 4/NACE VIS 7 (1998; E 2000; E 2004) Guide and Reference Photographs for Steel Surfaces Prepared by Waterjetting
U.S. ARMY CORPS OF ENGINEERS (USACE)
EM 385-1-1 (2014) Safety and Health Requirements Manual
U.S. ENVIRONMENTAL PROTECTION AGENCY (EPA)
EPA Method 24 (2000) Determination of Volatile Matter Content, Water Content, Density, Volume Solids, and Weight Solids of Surface Coatings
U.S. GENERAL SERVICES ADMINISTRATION (GSA)
FED-STD-313 (2014; Rev E) Material Safety Data, Transportation Data and Disposal Data for Hazardous Materials Furnished to Government Activities
U.S. NATIONAL ARCHIVES AND RECORDS ADMINISTRATION (NARA)
29 CFR 1910.1000 Air Contaminants
UNDERWRITERS LABORATORIES (UL)
UL 2818 (2013) GREENGUARD Certification Program For Chemical Emissions For Building Materials, Finishes And Furnishings
SECTION 09 90 00 Page 3
1.2 SUBMITTALS
Government approval is required for submittals with a "G" designation;
submittals not having a "G" designation are for Contractor Quality Control approval. When used, a designation following the "G" designation identifies the office that will review the submittal for the Government.
Submittals with an "S" are for inclusion in the Sustainability Notebook, in conformance to Section 01 33 29 SUSTAINABILITY REPORTING. Submit the following in accordance with Section 01 33 00.00 37 SUBMITTAL PROCEDURES:
The current MPI, "Approved Product List" which lists paint by brand, label, product name and product code as of the date of contract award, will be used to determine compliance with the submittal requirements of this specification. The Contractor may choose to use a subsequent MPI "Approved Product List", however, only one list may be used for the entire contract and each coating system is to be from a single manufacturer.
Provide all coats on a particular substrate from a single manufacturer.
No variation from the MPI Approved Products List is acceptable.
Samples of specified materials may be taken and tested for compliance with specification requirements.
SD-02 Shop Drawings
Piping Identification
SD-03 Product Data
Coating
SD-04 Samples
Color; G
SD-07 Certificates
Applicator's Qualifications
Qualification Testing laboratory for coatings
Indoor Air Quality for Paints and Primers
Indoor Air Quality for Consolidated Latex Paints
SD-08 Manufacturer's Instructions
Mixing
Manufacturer's Safety Data Sheets
SD-10 Operation and Maintenance Data
Coatings
SECTION 09 90 00 Page 4
1.3 CERTIFICATES
1.3.1 Indoor Air Quality
Submit required indoor air quality certifications in one submittal package.
1.3.1.1 Paints and Coatings
Provide paint and coating products certified to meet indoor air quality requirements by UL 2818 (Greenguard) Gold, SCS Global Services Indoor Advantage Gold or provide certification by other third-party programs.
Provide current product certification documentation from certification body.
1.4 APPLICATOR'S QUALIFICATIONS
****Amendment 0003****
1.4.1 SSPC QP 9 Certification
All contractors and subcontractors that perform surface preparation or coating application must be certified by the Society for Protective Coatings (formerly Steel Structures Painting Council) (SSPC) to the requirements of SSPC QP 9 prior to contract award, and must remain certified while accomplishing any surface preparation or coating application. If a contractor's or subcontractor's certification expires, the firm will not be allowed to perform any work until the certification is reissued. Requests for extension of time for any delay to the completion of the project due to an inactive certification will not be considered and liquidated damages will apply. Notify the Contracting Officer of any change in contractor certification status.
1.4.1 Contractor Qualification
Submit the name, address, telephone number, FAX number, and e-mail address of the Contractor that will be performing all surface preparation and coating application. Submit evidence that key personnel have successfully performed surface preparation and application of coatings on a minimum of three similar projects within the past three years. List information by individual and include the following:
a. Name of individual and proposed position for this work.
b. Information about each previous assignment including:
Position or responsibility
Employer (if other than the Contractor)
Name of facility owner
Mailing address, telephone number, and telex number (if non-US) of facility owner
Name of individual in facility owner's organization who can be contacted as a reference
Location, size and description of structure
SECTION 09 90 00 Page 5
Dates work was carried out
Description of work carried out on structure
****Amendment 0003****
1.5 QUALITY ASSURANCE
1.5.1 Field Samples and Tests
The Contracting Officer may choose up to two coatings that have been delivered to the site to be tested at no cost to the Government. Take samples of each chosen product as specified in the paragraph SAMPLING PROCEDURES. Test each chosen product as specified in the paragraph TESTING PROCEDURE. Remove products from the job site which do not conform, and replace with new products that conform to the referenced specification. Test replacement products that failed initial testing at no cost to the Government.
1.5.1.1 Sampling Procedure
The Contracting Officer will select paint at random from the products that have been delivered to the job site for sample testing. The Contractor will provide one quart samples of the selected paint materials. Take samples in the presence of the Contracting Officer, and label, and identify each sample. Provide labels in accordance with the paragraph PACKAGING, LABELING, AND STORAGE of this specification.
1.5.1.2 Testing Procedure
Provide Batch Quality Conformance Testing for specified products, as defined by and performed by MPI. As an alternative to Batch Quality Conformance Testing, the Contractor may provide Qualification Testing for specified products above to the appropriate MPI product specification, using the third-party laboratory approved under the paragraph "Qualification Testing" laboratory for coatings. Include the backup data and summary of the test results within the qualification testing lab report. Provide a summary listing of all the reference specification requirements and the result of each test. Clearly indicate in the summary whether the tested paint meets each test requirement. Note that Qualification Testing may take 4 to 6 weeks to perform, due to the extent of testing required.
Submit name, address, telephone number, FAX number, and e-mail address of the independent third party laboratory selected to perform testing of coating samples for compliance with specification requirements. Submit documentation that laboratory is regularly engaged in testing of paint samples for conformance with specifications, and that employees performing testing are qualified. If MPI is chosen to perform the Batch Quality Conformance testing, the above submittal information is not required, only a letter is required from the Contractor stating that MPI will perform the testing.
1.6 REGULATORY REQUIREMENTS
1.6.1 Environmental Protection
In addition to requirements specified elsewhere for environmental protection, provide coating materials that conform to the restrictions of
SECTION 09 90 00 Page 6 the local Air Pollution Control District and regional jurisdiction.
Notify Contracting Officer of any paint specified herein which fails to conform.
1.6.2 Lead Content
Do not use coatings having a lead content over 0.06 percent by weight of nonvolatile content.
1.6.3 Chromate Content
Do not use coatings containing zinc-chromate or strontium-chromate.
1.6.4 Asbestos Content
Provide asbestos-free materials.
1.6.5 Mercury Content
Provide materials free of mercury or mercury compounds.
1.6.6 Silica
Provide abrasive blast media containing no free crystalline silica.
1.6.7 Human Carcinogens
Provide materials that do not contain ACGIH 0100 confirmed human carcinogens (A1) or suspected human carcinogens (A2).
1.7 PACKAGING, LABELING, AND STORAGE
Provide paints in sealed containers that legibly show the contract specification number, designation name, formula or specification number, batch number, color, quantity, date of manufacture, manufacturer's formulation number, manufacturer's directions including any warnings and special precautions, and name and address of manufacturer. Furnish pigmented paints in containers not larger than 5 gallons. Store paints and thinners in accordance with the manufacturer's written directions, and as a minimum, stored off the ground, under cover, with sufficient ventilation to prevent the buildup of flammable vapors, and at temperatures between 40 to 95 degrees F.
1.8 SAFETY AND HEALTH
Apply coating materials using safety methods and equipment in accordance with the following:
Comply with applicable Federal, State, and local laws and regulations, and with the ACCIDENT PREVENTION PLAN, including the Activity Hazard Analysis as specified in Section 01 35 26 GOVERNMENT SAFETY REQUIREMENTS and in Appendix A of EM 385-1-1 . Include in the Activity Hazard Analysis the potential impact of painting operations on painting personnel and on others involved in and adjacent to the work zone.
1.8.1 Safety Methods Used During Coating Application
Comply with the requirements of SSPC PA Guide 3 .
SECTION 09 90 00 Page 7
1.8.2 Toxic Materials
To protect personnel from overexposure to toxic materials, conform to the most stringent guidance of:
a. The applicable manufacturer's Safety Data Sheets (SDS) or local regulation.
b. 29 CFR 1910.1000 .
c. ACGIH 0100 , threshold limit values.
Submit manufacturer's Safety Data Sheets for coatings, solvents, and other potentially hazardous materials, as defined in FED-STD-313 .
1.9 ENVIRONMENTAL CONDITIONS
Comply, at minimum, with manufacturer recommendations for space ventilation during and after installation.
1.9.1 Coatings
Do not apply coating when air or substrate conditions are:
a. Less than 5 degrees F above dew point;
b. Below 50 degrees F or over 95 degrees F, unless specifically pre-approved by the Contracting Officer and the product manufacturer.
Do not, under any circumstances, violate the manufacturer's application recommendations.
1.10 COLOR SELECTION
Provide colors of finish coats as indicated or specified. Allow Contracting Officer to select colors not indicated or specified.
Manufacturers' names and color identification are used for the purpose of color identification only. Named products are acceptable for use only if they conform to specified requirements. Products of other manufacturers are acceptable if the colors approximate colors indicated and the product conforms to specified requirements.
Tint each coat progressively darker to enable confirmation of the number of coats.
Submit manufacturer's samples of paint colors. Cross reference color samples to color scheme as indicated. Submit color stencil codes.
1.11 LOCATION AND SURFACE TYPE TO BE PAINTED
1.11.1 Painting Included
Where a space or surface is indicated to be painted, include the following unless indicated otherwise.
a. Surfaces behind portable objects and surface mounted articles readily detachable by removal of fasteners, such as screws and bolts.
b. New factory finished surfaces that require identification or color coding and factory finished surfaces that are damaged during
SECTION 09 90 00 Page 8 performance of the work.
c. Existing coated surfaces that are damaged during performance of the work.
1.11.1.1 Exterior Painting
Includes new surfaces of the building and appurtenances. Also included are existing coated surfaces made bare by cleaning operations.
1.11.1.2 Interior Painting
Includes new surfaces of the building and appurtenances as indicated and existing coated surfaces made bare by cleaning operations. Where a space or surface is indicated to be painted, include the following items, unless indicated otherwise.
a. Exposed columns, girders, beams, joists, and metal deck; and
b. Other contiguous surfaces.
1.11.2 Painting Excluded
Do not paint the following unless indicated otherwise.
a. Surfaces concealed and made inaccessible by panelboards, fixed ductwork, machinery, and equipment fixed in place.
b. Surfaces in concealed spaces. Concealed spaces are defined as enclosed spaces above suspended ceilings, furred spaces, attic spaces, crawl spaces, elevator shafts and chases.
c. Steel to be embedded in concrete.
d. Copper, stainless steel, aluminum, brass, and lead except existing coated surfaces.
e. Hardware, fittings, and other factory finished items.
1.11.3 Mechanical and Electrical Painting
Includes field coating of interior and exterior new surfaces.
a. Where a space or surface is indicated to be painted, include the following items unless indicated otherwise.
(1) Exposed piping, conduit, and ductwork;
(2) Supports, hangers, air grilles, and registers;
(3) Miscellaneous metalwork and insulation coverings.
b. Do not paint the following, unless indicated otherwise:
(1) New zinc-coated, aluminum, and copper surfaces under insulation
(2) New aluminum jacket on piping
(3) New interior ferrous piping under insulation.
SECTION 09 90 00 Page 9
1.11.3.1 Fire Extinguishing Sprinkler Systems
Clean, pretreat, prime, and paint new fire extinguishing sprinkler systems including valves, piping, conduit, hangers, supports, miscellaneous metalwork, and accessories. Apply coatings to clean, dry surfaces, using clean brushes. Clean the surfaces to remove dust, dirt, rust, and loose mill scale. Immediately after cleaning, provide the metal surfaces with one coat primer per schedules. Shield sprinkler heads with protective covering while painting is in progress. Upon completion of painting, remove protective covering from sprinkler heads. Remove sprinkler heads which have been painted and replace with new sprinkler heads. Provide primed surfaces with the following:
a. Piping in Unfinished Areas: Provide primed surfaces with one coat of red alkyd gloss enamel applied to a minimum dry film thickness of 1.0 mil in attic spaces, spaces above suspended ceilings, crawl spaces, pipe chases, mechanical equipment room, and spaces where walls or ceiling are not painted or not constructed of a prefinished material.
b. Piping in Finished Areas: Provide primed surfaces with two coats of paint to match adjacent surfaces, except provide valves and operating accessories with one coat of red alkyd gloss enamel applied to a minimum dry film thickness of 1.0 mil. Provide piping with 2 inch wide red enamel bands or self-adhering red plastic bands spaced at maximum of 20 foot intervals throughout the piping systems.
1.11.4 Definitions and Abbreviations
1.11.4.1 Qualification Testing
Qualification testing is the performance of all test requirements listed in the product specification. This testing is accomplished by MPI to qualify each product for the MPI Approved Product List, and may also be accomplished by Contractor's third party testing lab if an alternative to Batch Quality Conformance Testing by MPI is desired.
1.11.4.2 Batch Quality Conformance Testing
Batch quality conformance testing determines that the product provided is the same as the product qualified to the appropriate product specification. This testing must be accomplished by an MPI testing lab.
1.11.4.3 Coating
A film or thin layer applied to a base material called a substrate. A coating may be a metal, alloy, paint, or solid/liquid suspensions on various substrates (such as metals, plastics, wood, paper, leather, cloth). They may be applied by electrolysis, vapor deposition, vacuum, or mechanical means such as brushing, spraying, calendaring, and roller coating. A coating may be applied for aesthetic or protective purposes or both. The term "coating" as used herein includes emulsions, enamels, stains, varnishes, sealers, epoxies, and other coatings, whether used as primer, intermediate, or finish coat. The terms paint and coating are used interchangeably.
1.11.4.4 DFT or dft
Dry film thickness, the film thickness of the fully cured, dry paint or
SECTION 09 90 00 Page 10 coating.
1.11.4.5 DSD
Degree of Surface Degradation, the MPI system of defining degree of surface degradation. Five (5) levels are generically defined under the Assessment sections in the MPI Maintenance Repainting Manual.
1.11.4.6 EPP
Environmentally Preferred Products, a standard for determining environmental preferability in support of Executive Order 13101.
1.11.4.7 EXT
MPI short term designation for an exterior coating system.
1.11.4.8 INT
MPI short term designation for an interior coating system.
1.11.4.9 micron / microns
The metric measurement for 0.001 mm or one/one-thousandth of a millimeter.
1.11.4.10 mil / mils
The English measurement for 0.001 in or one/one-thousandth of an inch, equal to 25.4 microns or 0.0254 mm.
1.11.4.11 mm
The metric measurement for millimeter, 0.001 meter or one/one-thousandth of a meter.
1.11.4.12 MPI Gloss Levels
MPI system of defining gloss. Seven (7) gloss levels (G1 to G7) are generically defined under the Evaluation sections of the MPI Manuals.
Traditionally, Flat refers to G1/G2, Eggshell refers to G3, Semigloss refers to G5, and Gloss refers to G6.
Gloss levels are defined by MPI as follows:
Gloss Description Units Units Level at 60 degrees at 85 degrees
G1 Matte or Flat 0 to 5 10 max G2 Velvet 0 to 10 10 to 35 G3 Eggshell 10 to 25 10 to 35 G4 Satin 20 to 35 35 min G5 Semi-Gloss 35 to 70 G6 Gloss 70 to 85 G7 High Gloss
Gloss is tested in accordance with ASTM D523. Historically, the Government has used Flat (G1 / G2), Eggshell (G3), Semi-Gloss (G5), and Gloss (G6).
SECTION 09 90 00 Page 11
1.11.4.13 MPI System Number
The MPI coating system number in each Division found in either the MPI Architectural Painting Specification Manual or the Maintenance Repainting Manual and defined as an exterior (EXT/REX) or interior system (INT/RIN).
The Division number follows the CSI Master Format.
1.11.4.14 Paint
See Coating definition.
1.11.4.15 REX
MPI short term designation for an exterior coating system used in repainting projects or over existing coating systems.
1.11.4.16 RIN
MPI short term designation for an interior coating system used in repainting projects or over existing coating systems.
PART 2 PRODUCTS
2.1 MATERIALS
Conform to the coating specifications and standards referenced in PART 3.
Submit product data sheets for specified coatings and solvents. Provide preprinted cleaning and maintenance instructions for all coating systems.
Submit Manufacturer's Instructions on Mixing: Detailed mixing instructions, minimum and maximum application temperature and humidity, potlife, and curing and drying times between coats.
Provide certification of Indoor Air Quality for paints and primers.
Provide certification of Indoor Air Quality for consolidated latex paints.
PART 3 EXECUTION
3.1 PROTECTION OF AREAS AND SPACES NOT TO BE PAINTED
Prior to surface preparation and coating applications, remove, mask, or otherwise protect hardware, hardware accessories, machined surfaces, radiator covers, plates, lighting fixtures, public and private property, and other such items not to be coated that are in contact with surfaces to be coated. Following completion of painting, reinstall removed items by workmen skilled in the trades. Restore surfaces contaminated by coating materials, to original condition and repair damaged items.
3.2 SURFACE PREPARATION
Remove dirt, splinters, loose particles, grease, oil, and other foreign matter and substances deleterious to coating performance as specified for each substrate before application of paint or surface treatments. Remove oil and grease prior to mechanical cleaning. Schedule cleaning so that dust and other contaminants will not fall on wet, newly painted surfaces.
Spot-prime exposed ferrous metals such as nail heads on or in contact with surfaces to be painted with water-thinned paints, with a suitable corrosion-inhibitive primer capable of preventing flash rusting and
SECTION 09 90 00 Page 12 compatible with the coating specified for the adjacent areas.
3.3 PREPARATION OF…
This is the start of the file's text. The full file is on GovTribe.
File details come from the government source that posted it. Updated .