MATERIAL Y MÉTODOS
7. Limitaciones del estudio
A. Weather-Resistive Barriers: Where local building code requires one or more layers of a weather-resistive barrier paper, provide a vapor
permeable waterproof kraft paper complying with FS UU-B-790a “Building Paper, Vegetable Fiber (Kraft, Waterproofed, Water)” Type I, Grade D; or where approved, No. 15 unperforated roofing felt in accordance with ASTM D 226.”Standard Specification for Asphalt-Saturated Organic Felt Used in Roofing and Waterproofing.”
B. Fasteners: Size and type indicated. Where rough carpentry is exposed to weather or high relative humidity, provide fasteners with a hot-dip zinc coating per ASTM A153 or of Type 304 stainless steel. Where fasteners are in contact with pressure-treated wood, provide double galvanizing or use Type 304 stainless steel.
• Expansion Anchorage Devices: Anchor bolt and sleeve assemblies • Standard Bolts and Nuts; ASTM A307, Grade A, with ASTM A563
regular hexagon nuts
• Lag Bolts: ANSI/ASME B18.2.1 “Square and Hex Bolts and Screws (Inch Series)” square head type
• Lag Screws: Flat head type
• Machine Screws: ASME B18.6.3 “Machine Screws and Machine Screw Nuts”, zinc-plated steel
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• Wood Screws: ANSI/ASME B18.6.1 “Wood Screws (Inch Series)” flat head carbon steel
• Plain Washers: ANSI/ASME B18.22.1, round, general assembly grade carbon steel
• Lock Washers: ANSI B18.21.1, helical spring type carbon steel
• Power-Driven Fasteners: NES NER 272 “National Evaluation Report – Power-Driven Staples and Nails for Use in all Types of Building
Construction”
C. Metal Framing Anchors: Hot-dip galvanized steel of structural capacity, type, and size indicated.
D. Field-Applied Treatment: For field-cut ends of all pressure-treated lumber, provide liquid-applied preservative, such as Jasco “Termin-8” or approved equal.
PART 3 – EXECUTION 3.1 INSTALLATION
A. Fit rough carpentry to other construction; scribe and cope for accurate fit. Correlate location of furring, blocking, and similar supports to allow
attachment of other construction.
B. Securely attach rough carpentry work to substrate by anchoring and fastening as indicated, complying with the following:
1. NES NER-272 for power-driven staples, P-nails, and allied fasteners.
2. Published requirements of metal framing anchor manufacturer. C. Wood Grounds, Nailers, Blocking, and Cants:
1. Provide where required for screeding or attachment of other work. 2. Form to shapes cut as necessary for true line and level for work to
be attached.
3. Coordinate location with other work involved. 4. Attach to substrates to support applied loading.
ROUGH CARPENTRY 06 10 00
AC Transit IFB # 2015-1309 Section 06 10 00 5. Provide permanent grounds of dressed, preservative treated, key-beveled lumber not less than 1-1/2 inches wide and of thickness required to bring face of ground to exact thickness of finish material involved.
D. Weather-Resistive Barrier: Install as prescribed by local code.
GYPSUM BOARD SHEATHING 06 16 43
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SECTION 06 16 43
GYPSUM BOARD SHEATHING PART 1 – GENERAL
1.1 SUMMARY
A. Section Includes:
1. Fiberglass mat faced, moisture and mold resistant gypsum sheathing
2. Framing connectors and hardware 3. Fiberglass insulation
B. Related Sections:
1. Section 07 53 10 – Single Ply Roofing System 2. Section 07 62 00 – Sheet Metal Flashing and Trim 1.2 REFERENCES
A. ASTM International
1. ASTM C-473 Standard Test methods for Physical Testing of Gypsum Panel Products
2. ASTM C1177 Specification for Glass Mat Gypsum Substrate for use as Sheathing.
3. ASTM C1280 Specification for Application of Gypsum sheathing. 4. ASTM C 1396 Standard Specification for Gypsum Board
5. ASTM E72 Standard Test methods of Conducting Strength Tests of Panels for Building Construction.
6. ASTM E84 Standard Test Method for Surface Burning Characteristics of Building Materials
7. ASTM E96 Standard Test Methods for Water Vapor Transmission of Materials.
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1.3 SUBMITTALS
A. Comply with provisions of Section 01300 “Submittals.”
B. Product Data: Manufacturer’s specifications and installation instructions for each product specified.
1.4 WARRANTY
A. Provide products that offer twelve months of coverage against in-place exposure damage (delamination, deterioration and decay) – commencing with the date of installation of the product in the structure.
B. Manufacturer’s Warranty: Five years against manufacturing defects. 1.5 DELIVERY, STORAGE AND HANDLING
A. Follow manufacturer’s recommendations
PART 2 – PRODUCTS 2.1 Manufacturers
A. Basis of Design: Georgia pacific Gypsum LLC:
1. Fiberglass-Mat Faced Gypsum sheathing: Dens Glass Sheathing B. US Gypsum company, Gold bond
2.2 MATERIALS
A. Fiberglass-Mat Faced Gypsum sheathing: ASTM C 1177:
1. Thickness: 5/8 inch 2. Width: 4 feet
3. Length: longest possible to reduce joints/ coordinate with site conditions for points of attachment.
4. Edges Square:
5. Surfacing; Fiberglass matt on face, back and long edges.
6. Racking Strength (Ultimate, not design value) ( ASTM E72): Not less than 654 pounds per square foot dry.
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8. Humidified deflection (ASTM C1177): not more than 1/8 inch. 9. Permeance ( ASTM E96) not less than 23 perms
10. R Value ( ASTM C518): 0.67.
11. Mold Resistance ( ASTM D3273): 10, in a test as manufactured B. Fasteners:
1. Screws: ASTM C1002, corrosion resistant treated. Into steel substrate or metal studs.
C. Fiberglass Batt insulation: Type A Batt Insulation (thermal).ASTM C 665, Type II preformed glass fiber batts with a non reflective type vapor
retarder membrane in accordance with the following: 1. Thermal Resistance R-19 for walls.
2. Facing: non reflective 3. Formaldehyde Free
4. Flame smoke properties: 25/50 for Type III, Class A, fire rated FS 25
PART 3 – EXECUTION 3.1 EXAMINATION
A. Verify that project conditions and substrates are acceptable, to the installer, to begin installation of work of this section.
3.2 INSTALLATION
A. General: In accordance with GA-253, ASTM C1280 and the manufacturer’s recommendations.
B. Install sheathing with long dimension horizontal, with vertical ends centered over connective steel surfaces.
C. Provide galvanized metal studs for infill support if existing conditions require additional framing to support sheathing per manufacturer’s recommendations.
D. Install batt insulation at all exposed frame wall areas as shown. 3.3 PROTECTION
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A. Protect gypsum board installations from damage and deterioration until date of substantial completion.
ELASTOMERIC COATING SYSTEM 07 11 00
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page 1 of 10 SECTION 07 11 00
ELASTOMERIC COATING SYSTEM PART 1 – GENERAL
1.1 SUMMARY
A. Scope of Work: Provide a seamless elastomeric coating system, including labor, materials, and supervision as detailed in these specifications, over existing concrete walls
B. Related Sections:
1. Section 07 53 10 – Single-Ply Roofing System (for roof base flashing below coating system)
2. Section 07 62 00 – Sheet Metal Flashing and Trim (for counter-flashing under coping and base flashing) 1.2 REFERENCES
A. ASTM International (ASTM)
1. ASTM D1475 – Standard Test Method for Density of Liquid Coatings, Inks, and Related Products
2. ASTM D1644 – Standard Test Methods for Nonvolatile Content of Varnishes
3. ASTM D2369 – Standard Test Method for Volatile Content of Coatings
4. ASTM D2370 – Standard Test Method for Tensile Properties of Organic Coatings
5. ASTM D3960 – Standard Practice for Determining Volatile Organic Compound (VOC) Content of Paints and Related Coatings
6. ASTM E 96 – Standard Test Methods for Water Vapor Transmission of Materials
7. ASTM E 108 – Standard Test Methods for Fire Tests of Roof Coverings
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