VA 07 54 19-2010 POLYVINYL-CHLORIDE (PVC) ROOFING.pdf

1、10-10 07 54 19 - 1 SECTION 07 54 19 POLYVINYL-CHLORIDE (PVC) ROOFING SPEC WRITER NOTES: 1. Delete or edit text within if not applicable to project. Also delete any other item or paragraph not applicable in the section and renumber the paragraphs. 2. Follow the recommendations of the National Roofing

2、 Contractors Association “Roofing and Waterproofing Manual“ for design criteria. 3. Slopes: Do not use on slopes over 1:12 (one inch per foot). Provide 1:50 (1/4 inch per foot) minimum slope to drains without any “Gutters“ (no slopes between drains. NO EXCEPTIONS TO MINIMUM SLOPE. Slope crickets 1:5

3、0 (1/4-inch per foot). 4. Coordinate with plumbing requirements for roof drains and drain locations at low points and mid span where maximum deflection occurs. Do not put drains at columns or on slopes. Coordinate with insulation to provide “dishes“ at drains. 5. Coordinate details and systems used

4、to provide for code required fire rated roofing system. Do not use unsurfaced membranes over combustible insulation on decks. 6. Use of adhered system is preferred over mechanically anchored or ballasted system. 7. Coordinate with Section 07 22 00, ROOF AND DECK INSULATION. 8. Coordinate with Sectio

5、n 07 22 00, ROOF AND DECK INSULATION for roof insulation under the membrane. Decrease “R“ value 5 percent when mechanical fasteners are used through the insulation to compensate for parallel heat flow. 9. Do not use over polystyrene, urethane, or wood fiberboard insulation under the membrane. 10. Do

6、 not use over bituminous materials where direct contact occurs, including grease, oil, or other substances not compatible with PVC. Use a thin layer of insulation, slip sheet or separator sheet depending upon method of attachment or felt back sheet when minimum amount of asphalt occurs. 11. Terminat

7、e base flashings not less than 200 mm (8 inches) above roof surface including curb for building expansion joints. 12. Do not put expansion joints at roof surface level. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-10-10 07 54 19 - 2 13. Do not use

8、 “pitch pocket“ or “sealant pocket“ in lieu of base flashings and cap flashings. 14. This specification is for use over concrete, cellular insulating concrete decks, or insulation. Insert additional text when installed directly to other decks or insulation systems not specified in Section 07 22 00,

9、ROOF AND DECK INSULATION. PART 1 - GENERAL 1.1 DESCRIPTION A. Polyvinyl Chloride (PVC) sheet roofing /adhered/ /mechanically fastened/ to roof deck. 1.2 RELATED WORK SPEC WRITER NOTE: Edit Related Work to reflect other sections relating directly to this section or referenced in this section. A. Gene

10、ral sustainable design documentation requirements: Section 01 81 13 SUSTAINABLE DESIGN REQUIREMENTS. B. Treated wood framing, blocking, and nailers: Section 06 10 00, ROUGH CARPENTRY C. Roof Insulation: Section 07 22 00, ROOF AND DECK INSULATION. D. Sheet metal components and wind uplift requirement

11、s for roof-edge design: Section 07 60 00, FLASHING AND SHEET METAL. E. Roof hatches, equipment supports, dome type skylights, and gravity ventilators: Section 07 72 00, ROOF ACCESSORIES F. Miscellaneous items: Section 07 71 00, ROOF SPECIALTIES/ Section 07 72 00, ROOF ACCESSORIES. 1.3 APPLICABLE PUB

12、LICATIONS SPEC WRITER NOTESS: 1. Update applicable publications to current issue at time of project specification preparation. 2. Update material requirements to agree with applicable requirements (types, grades, classes,) specified in the referenced Applicable Publications. A. Publications listed b

13、elow form a part of this specification to the extent referenced. Publications are referenced in the text by the basic Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-10-10 07 54 19 - 3 designation only. Editions of applicable publications current on

14、date of issue of bidding documents apply unless otherwise indicated. B. American National Standards Institute/Single-Ply Roofing Institute (ANSI/SPRI): ANSI/SPRI ES-1-03.Wind Design Standard for Edge Systems Used with Low Slope Roofing Systems. C. American Society of Civil Engineers/Structural Engin

15、eering Institute (ASCE/SEI): ASCE/SEI-7-10.Minimum Design Loads for Buildings and Other Structures D. ASTM International (ASTM): C67-09Standard Test Methods for Sampling and Testing Brick and Structural Clay Tile C140-09.Standard Test Methods for Sampling and Testing Concrete Masonry Units and Relat

16、ed Units C1371-04Standard Test Method for Determination of Emittance of Materials Near Room Temperature Using Portable Emissometers C1549-04Standard Test Method for Determination of Solar Reflectance Near Ambient Temperature Using a Portable Solar Reflectometer D2240-05Rubber Property - Durometer Ha

17、rdness D4263-83(2005)Standard Test Method for Indicating Moisture in Concrete by the Plastic Sheet Method D4434-06Poly (Vinyl Chloride) Sheet Roofing E96-00Water Vapor Transmission of Materials E108-10.Standard Test Methods for Fire Tests of Roof Coverings E408-71(R2008)Standard Test Methods for Tot

18、al Normal Emittance of Surfaces Using Inspection-Meter Techniques E1918-06Standard Test Method for Measuring Solar Reflectance of Horizontal and Low-Sloped Surfaces in the Field E1980-01Standard Test Method for Measuring Solar Reflectance of Horizontal and Low-Sloped Surfaces in the Field G21-09Resi

19、stance of Synthetic Polymeric Materials to Fungi E. American Society of Heating, Refrigeration, and Air Conditioning Engineers (ASHRAE) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-10-10 07 54 19 - 4 ASHRAE 90.1-2007Energy Standard for Buildings E

20、xcept Low-Rise Residential Buildings, Appendix f. F. Cool Roof Rating Council: CRRC-1Product Rating Program, www.coolroofs.org G. FM Approvals: RoofNav Approved Roofing Assemblies and Products. 4450-89.Approved Standard for Class 1 Insulated Steel Deck Roofs 4470-10.Approved Standard for Class 1 Roo

21、f Coverings 1-28-09.Loss Prevention Data Sheet: Design Wind Loads. 1-29-09.Loss Prevention Data Sheet: Above-Deck Roof Components 1-49-09.Loss Prevention Data Sheet: Perimeter Flashing H. National Roofing Contractors Association: Roofing and Waterproofing Manual I. U.S. Department of Agriculture (US

22、DA): USDA BioPreferred Catalog, www.biopreferred.gov J. U.S. Department of Energy (DoE): Roof Products Qualified Product List, www.energystar.gov 1.4 PERFORMANCE REQUIREMENTS A. Material Compatibility: Provide roofing materials that are compatible with one another under conditions of service and app

23、lication required, as demonstrated by membrane roofing manufacturer based on testing and field experience. SPEC WRITER NOTE: Retain one or more paragraphs below for typical roofing applications based upon current Federal mandates, which may include one or more of the following: 1) Guiding Principles

24、 for Federal Leadership in High Performance and Sustainable Buildings incorporated in Executive Order 13423 “Strengthening Federal Environmental, Energy, and Transportation Management, dated January 24, 2007; 2) Energy Policy Act of 2005 (EPA 2005); 3) Energy Independence and Security Act of 2007 (E

25、ISA 2007); 4) LEED mandate; 5) Conformance with locally-applicable requirements. B. Roofing System Energy Performance Requirements: Provide a roofing system identical to components that that have been successfully tested by a qualified independent testing and inspecting agency to meet the following

26、requirements: Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-10-10 07 54 19 - 5 SPEC WRITER NOTE: Retain paragraph below for roofs that must comply with DOEs ENERGY STAR requirements: www.energystar.gov. 1. Energy Performance, Energy Star: Provide r

27、oofing system that is listed on DOEs ENERGY STAR “Roof Products Qualified Product List“ for low-slope roof products. SPEC WRITER NOTE: Retain paragraph below for LEED project requirements; note that LEED Credit SS 7.2 is not geographic location specific. 2. Solar Reflectance Index: Not less than 78

28、when calculated according to ASTM E1980 based on testing identical products by a qualified testing agency. SPEC WRITER NOTE: Retain paragraph below for roofs that must comply with California Energy Commission CEC-Title 24: . 3. Energy Performance, CRRC-1: Provide roofing system with initial solar re

29、flectance not less than 0.70 and emissivity not less than 0.75 when tested according to CRRC-1. SPEC WRITER NOTE: Typically retain below for VA new construction and reroofing projects in ASHRAE Climate Zones 1 through 3 and elsewhere where cool roof technology is indicated as cost-effective. Also re

30、fer to Exceptions in ASHRAE 90.1 Appendix f that address ballasted, vegetated, and ventilated roofs. 4. Energy Performance, Aged: Provide roofing system with minimum three-year aged solar reflectance not less than 0.55 when tested in accordance with ASTM C1549 or ASTM E1918, and in addition, a minim

31、um three-year-aged thermal emittance of 0.75 when tested in accordance with ASTM C1371 or ASTM E408. a. Where tested aged values are not available for proposed product, submit calculations to adjust initial solar reflectance to demonstrate compliance as indicated in ASHRAE 90.1-2007 Addendum f. b. A

32、lternatively, provide roofing system with minimum three-year aged Solar Reflectance Index of not less than 64 when determined in accordance with the Solar Reflectance Index method in ASTM E1980 using a convection coefficient of 2.1 BTU/h-ft2 (12 W/m2K). Provided by IHSNot for ResaleNo reproduction o

33、r networking permitted without license from IHS-,-,-10-10 07 54 19 - 6 1.5 QUALITY CONTROL A. Installer Qualifications: 1. Licensed or approved in writing by manufacturer to perform work under warranty requirements of this Section. 2. Employ full-time supervisors knowledgeable and experienced in roo

34、fing of similar types and scopes, and able to communicate with owner and workers. B. Inspector Qualifications: Inspection of work by third-party technical inspector or technical representative of manufacturer experienced in the installation and maintenance of the specified roofing system, qualified

35、to perform roofing observation and inspection specified in Field Quality Control Article, to determine Installers compliance with the requirements of this Project, and approved by the manufacturer to issue warranty certification. The Roofing Inspector shall be one of the following: 1. An authorized

36、full-time technical employee of the manufacturer, not engaged in the sale of products. 2. An independent party certified as a Registered Roof Observer by the Roof Consultants Institute (RCI), retained by the Contractor or the Manufacturer and approved by the Manufacturer. C. Product/Material Require

37、ments: 1. Obtain products from single manufacturer or from sources recommended by manufacturer for use with roofing system and incorporated in manufacturers warranty. SPEC WRITER NOTE: 1. Retain paragraph below when it is appropriate to incorporate Federal Guiding Principles IV from Guiding Principl

38、es for Federal Leadership in High Performance and Sustainable Buildings incorporated in Executive Order 13423 “Strengthening Federal Environmental, Energy, and Transportation Management, dated January 24, 2007, www.ofee.gov/eo/eo13423_main.asp: Enhance Indoor Environmental Quality: Biobased Content

39、Requirement. Requirement differs from related requirements in LEED definitions. 2. Projects General Requirements should indicate goals for percentages of bio-based, rapidly-renewable, and certified sustainable wood products. 2. Bio-Based Materials: Where applicable, provide products designated by US

40、DA and meeting or exceeding USDA recommendations for bio-based content, and products meeting Rapidly Renewable Materials and Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-10-10 07 54 19 - 7 certified sustainable wood content definitions; refer to w

41、ww.biopreferred.gov. D. Roofing system design standard requirements: 1. Recommendations of the NRCA “Roofing and Waterproofing Manual“ applicable to modified bituminous sheet roofing for storage, handling and application. 2. Recommendations of FM Approvals 1-49 Loss Prevention Data Sheet for Perimet

42、er Flashings. 3. Recommendations of ANSI/SPRI ES-1 for roof edge design. SPEC WRITER NOTE: Retain paragraph below and enter required uplift pressures if roofing system is required to be designed per ASCE.SEI 7 by local building code. 4. Roofing System Design: Provide roofing system that is identical

43、 to systems that have been successfully tested by a qualified testing and inspecting agency to resist uplift pressure calculated according to ASCE/SEI 7. a. Corner Uplift Pressure: /00 kPa/sq. m (00 lbf/sq. ft.)/. b. Perimeter Uplift Pressure: /00 kPa/sq. m (00 lbf/sq. ft.)/. c. Field-of-Roof Uplift

44、 Pressure: /00 kPa/sq. m (00 lbf/sq. ft.)/. SPEC WRITER NOTE: Retain and edit FM Approvals Listing requirement for VA facilities. 5. FM Approvals Listing: Provide roofing membrane, base flashing, and component materials that comply with requirements in FM Approvals 4450 and FM Approvals 4470 as part

45、 of a roofing system and that are listed in FM Approvals “RoofNav“ for Class 1 or noncombustible construction, as applicable. Identify materials with FM Approvals markings. SPEC WRITER NOTES: 1. Select one option in first subparagraph below based on windstorm classification of Project. Utilize calcu

46、lation based upon FM Approvals Loss Prevention Data Sheet 1-28 to determine the number that establishes the minimum FM Approvals approval rating. 2. Verify availability of roofing systems that meet these classifications. Other options for classifications increase in increments of 15, e.g., Class 1A-

47、135, 1A-150, 1A-165, and higher. 3. “Class 1A“ signifies meeting ASTM E108, Class A fire performance for FMG-approved Class 1 roof coverings. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-10-10 07 54 19 - 8 4. For areas having three or more hailsto

48、rms annually, FMG recommends roofing systems rated SH (severe hail) instead of MH (moderate hail). a. Fire/Windstorm Classification: Class 1A-/60/ /75/ /90/ /105/ /120/. b. Hail Resistance: /MH/ /SH/. SPEC WRITER NOTE: Consider retaining requirement below in addition to FM Approval Listing requireme

49、nt above for high windstorm classification areas (1A-105 or greater) to allow for broader participation in bidding. 6. High Wind Zone Design Requirement: Contractor Option: In lieu of FM Approval Listing windstorm classification, provide roofing membrane, base flashing, and component materials that comply with Miami-Dade County requirements. E