ARMY UFGS-07 55 00-2009 PROTECTED MEMBRANE ROOFING (PMR)《防护式薄膜屋面(PMR)》.pdf
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1、*USACE / NAVFAC / AFCESA / NASA UFGS-07 55 00 (August 2009)-Preparing Activity: USACE SupersedingUFGS-07 55 00 (April 2006)UNIFIED FACILITIES GUIDE SPECIFICATIONSReferences are in agreement with UMRL dated July 2009*SECTION 07 55 00PROTECTED MEMBRANE ROOFING (PMR)08/09*NOTE: This guide specification
2、 covers the requirements for protected membrane roof system.Edit this guide specification for project specific requirements by adding, deleting, or revising text. For bracketed items, choose applicable items(s) or insert appropriate information.Remove information and requirements not required in res
3、pective project, whether or not brackets are present.Comments and suggestions on this guide specification are welcome and should be directed to the technical proponent of the specification. A listing of technical proponents, including their organization designation and telephone number, is on the In
4、ternet.Recommended changes to a UFGS should be submitted as a Criteria Change Request (CCR).This guide specification includes tailoring options for paver ballast, and aggregate ballast. Selection or deselection of a tailoring option will include or exclude that option in the section, but editing the
5、 resulting section to fit the project is still required.*PART 1 GENERAL*NOTE: This specification covers a roofing system in which the membrane is protected by an overlay of extruded polystyrene insulation, a filter fabric, and a layer of ballast on top. The surface of overhangs must be sealed to pre
6、vent leakage of air and, therefore, uplift. For additional guidance on PMR, the designer should consult the National Roofing Contractors Association (NRCA) Roofing and Waterproofing Manual.SECTION 07 55 00 Page 1Provided by IHSNot for ResaleNo reproduction or networking permitted without license fro
7、m IHS-,-,-Roof must be constructed with a minimum slope of 1 to 48, and a maximum slope of 1 to 6. Drainage is critical as the insulation will float if submerged and not adequately ballasted. Where internal drains are not used, ice dams may occur at eaves and scuppers. For guidance on flashings and
8、drainage details, the designers should consult the SMACNA “Architectural Sheet Metal Manual.“Undersides of the deck, including overhangs, should be sealed when using loose-laid protected membrane to prevent wind from pressurizing the underside of the membrane.Bituminous membranes should be flood-coa
9、ted and not surfaced with aggregate. Polystyrene should not be placed in contact with asphalt.Except where exposed drain baskets pose a safety hazard, there must be an opening in the insulation, filter fabric, and ballast above each drain basket. Pavers above hidden drains will be marked so that the
10、 drains can be inspected periodically.Designer should require materials, products, and innovative construction methods and techniques which are environmentally sensitive, take advantage of recycling and conserve natural resources.*1.1 REFERENCES*NOTE: This paragraph is used to list the publications
11、cited in the text of the guide specification. The publications are referred to in the text by basic designation only and listed in this paragraph by organization, designation, date, and title.Use the Reference Wizards Check Reference feature when you add a RID outside of the Sections Reference Artic
12、le to automatically place the reference in the Reference Article. Also use the Reference Wizards Check Reference feature to update the issue dates.References not used in the text will automatically be deleted from this section of the project specification when you choose to reconcile references in t
13、he publish print process.*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.SECTION 07 55 00 Page 2Provided by IHSNot for ResaleNo reproduction or networking permitted without licen
14、se from IHS-,-,-ASTM INTERNATIONAL (ASTM)ASTM C 1177/C 1177M (2008) Standard Specification for Glass Mat Gypsum Substrate for Use as SheathingASTM C 1396/C 1396M (2006a) Standard Specification for Gypsum BoardASTM C 29/C 29M (2007) Standard Test Method for Bulk Density (“Unit Weight“) and Voids in A
15、ggregateASTM C 578 (2009e1) Standard Specification for Rigid, Cellular Polystyrene Thermal InsulationASTM C 726 (2005e1) Mineral Fiber Roof Insulation BoardASTM D 448 (2008) Sizes of Aggregate for Road and Bridge ConstructionASTM D 4751 (2004) Determining Apparent Opening Size of a GeotextileASTM D
16、5034 (2009) Breaking Strength and Elongation of Textile Fabrics (Grab Test)ASTM D 751 (2006) Coated FabricsFM GLOBAL (FM)FM P7825a (2005) Approval Guide Fire ProtectionFM P9513 (2002) Specialist Data Book Set for Roofing Contractors; contains 1-22 (2001), 1-28 (2002), 1-29 (2002), 1-28R/1-29R (1998)
17、, 1-30 (2000), 1-31 (2000), 1-32 (2000), 1-33 (2000), 1-34 (2001), 1-49 (2000), 1-52 (2000), 1-54 (2001)SINGLE PLY ROOFING INDUSTRY (SPRI)SPRI RP-4 (2002) Wind Design Standard for Ballasted Single-Ply Roofing SystemsUNDERWRITERS LABORATORIES (UL)UL 580 (2006; Rev thru Jul 2009) Tests for Uplift Resi
18、stance of Roof AssembliesUL 790 (2004; Rev thru Oct 2008) Test Methods for Fire Tests of Roof Coverings1.2 SYSTEM DESCRIPTION*NOTE: Design should be in accordance with SPRI RP-4. Fully adhered protected membranes have performed well in hurricane areas when ballasted as SECTION 07 55 00 Page 3Provide
19、d by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-specified in SPRI RP-4. Roof deck must be adequate to support weight of ballast as dead load.*Wind uplift resistance of the complete roof assembly shall be rated Class I-60 90 in accordance with UL 580. Wind r
20、esistance of loose-laid ballasted system shall be in accordance with FM P9513 SPRI RP-4.1.3 SUBMITTALS*NOTE: Review submittal description (SD) definitions in Section 01 33 00 SUBMITTAL PROCEDURES and edit the following list to reflect only the submittals required for the project. Submittals should b
21、e kept to the minimum required for adequate quality control.A “G” following a submittal item indicates that the submittal requires Government approval. Some submittals are already marked with a “G”. Only delete an existing “G” if the submittal item is not complex and can be reviewed through the Cont
22、ractors Quality Control system. Only add a “G” if the submittal is sufficiently important or complex in context of the project.For submittals requiring Government approval on Army projects, a code of up to three characters within the submittal tags may be used following the “G“ designation to indica
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