ࡱ> rtopqy_ (Lbjbjzyzy ;6b6b C  8 !| 0h#N&(v&v&v&'0(<) prrrrrr$!׈P *''** v&v&4f7f7f7*F v& v&z?Df7*pf7f79Z=v&@R.J=f?0R='/'Z=' Z= 6)L)6f7),)6)6)6)0p6)6)6)****'6)6)6)6)6)6)6)6)6)B R: SECTION 075423 THERMOPLASTIC-POLYOLEFIN (TPO) ROOFING GENERAL RELATED DOCUMENTS Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division01 Specification Sections, apply to this Section. SUMMARY Section Includes: SELF-ADHERED ROOFING IS NORMALLY LIMITED TO 60 MIL. MECHANICAL FASTENED ROOFING CAN BE USED BUT CAN BALLOON IN HIGH WINDOWS. Adhered thermoplastic polyolefin (TPO) roofing system. Self-adhering, thermoplastic polyolefin (TPO) roofing system. Mechanically fastened, thermoplastic polyolefin (TPO) roofing system. Substrate board. Vapor retarder. Roof insulation. Cover board. Walkways. RETAIN FIRST PARAGRAPH BELOW IF ACOUSTICAL ROOF DECK IS REQUIRED AND IF INSTALLATION OF INSULATION STRIPS IS INCLUDED IN THIS SECTION. Section includes installation of sound-absorbing insulation strips in ribs of roof deck. Sound-absorbing insulation strips are furnished under Section053100 "Steel Decking." Related Requirements: RETAIN SUBPARAGRAPHS BELOW TO CROSS-REFERENCE REQUIREMENTS CONTRACTOR MIGHT EXPECT TO FIND IN THIS SECTION BUT ARE SPECIFIED IN OTHER SECTIONS. Section061050 "Miscellaneous Carpentry" for wood nailers, curbs, and blocking; and for wood-based, structural-use roof deck panels. Section077100 "Roof Specialties" for [manufactured copings] [and] [roof edge flashings]. Section077200 Roof Accessories for curbs, pipe supports, roof hatches. Section077129 "Manufactured Roof Expansion Joints" for manufactured roof expansion-joint assemblies. Section079200 "Joint Sealants" for joint sealants, joint fillers, and joint preparation. Section221423 "Storm Drainage Piping Specialties" for roof drains. DEFINITIONS Roofing Terminology: Definitions in ASTMD1079 and glossary in NRCA's "The NRCA Roofing Manual: Membrane Roof Systems" apply to Work of this Section. PREINSTALLATION MEETINGS CONSIDER RETAINING "PRELIMINARY ROOFING CONFERENCE" PARAGRAPH BELOW IF ROOFING INSTALLATION IS LARGE AND COMPLICATED. A PRELIMINARY ROOFING CONFERENCE PRECEDES A PREINSTALLATION CONFERENCE AND FOCUSES ON ROOF DECK CONSTRUCTION AND PLANNING ACTIVITIES OF ROOFING INSTALLER. Preliminary Roofing Conference: Before starting roof deck construction, conduct conference at Project site. RETAIN SUBPARAGRAPHS BELOW IF REQUIRED. IF RETAINING, REVISE TO INCLUDE PROJECT-SPECIFIC REQUIREMENTS. INSERT ADDITIONAL REQUIREMENTS TO SUIT PROJECT. Meet with Owner, Architect,[Construction Manager,] Owner's insurer if applicable, testing and inspecting agency representative, roofing Installer, roofing system manufacturer's representative, deck Installer, air barrier Installer, and installers whose work interfaces with or affects roofing, including installers of roof accessories and roof-mounted equipment. Review methods and procedures related to roofing installation, including manufacturer's written instructions. Review and finalize construction schedule, and verify availability of materials, Installer's personnel, equipment, and facilities needed to make progress and avoid delays. Review deck substrate requirements for conditions and finishes, including flatness and fastening. Review structural loading limitations of roof deck during and after roofing. Review base flashings, special roofing details, roof drainage, roof penetrations, equipment curbs, and condition of other construction that affects roofing system. Review governing regulations and requirements for insurance and certificates if applicable. Review temporary protection requirements for roofing system during and after installation. Review roof observation and repair procedures after roofing installation. RETAIN "PREINSTALLATION ROOFING CONFERENCE" PARAGRAPH BELOW IF WORK OF THIS SECTION IS EXTENSIVE OR COMPLEX ENOUGH TO JUSTIFY A CONFERENCE. PARAGRAPH IS RECOMMENDED WITH OR WITHOUT "PRELIMINARY ROOFING CONFERENCE" PARAGRAPH ABOVE. Preinstallation Roofing Conference: Conduct conference at Project site. RETAIN SUBPARAGRAPHS BELOW IF REQUIRED. IF RETAINING, REVISE TO INCLUDE PROJECT-SPECIFIC REQUIREMENTS. INSERT ADDITIONAL REQUIREMENTS TO SUIT PROJECT. CONSIDER ADDING SEQUENCING, WHEN SCHEDULE IS ACCELERATED SO CONTRACTOR ACKNOWLEDGES THE NEED TO PROTECT THE ROOF IF IT IS INSTALLED BEFORE EXCESSIVE ROOFTOP TRAFFIC. Meet with Owner, Architect,[Construction Manager,]Owner's insurer if applicable, testing and inspecting agency representative, roofing Installer, roofing system manufacturer's representative, deck Installer, air barrier Installer, and installers whose work interfaces with or affects roofing, including installers of roof accessories and roof-mounted equipment. Review methods and procedures related to roofing installation, including manufacturer's written instructions. Review and finalize construction schedule, and verify availability of materials, Installer's personnel, equipment, and facilities needed to make progress and avoid delays. Examine deck substrate conditions and finishes for compliance with requirements, including flatness and fastening. Review structural loading limitations of roof deck during and after roofing. Review base flashings, special roofing details, roof drainage, roof penetrations, equipment curbs, and condition of other construction that affects roofing system. Review governing regulations and requirements for insurance and certificates if applicable. Review temporary protection requirements for roofing system during and after installation. Review roof observation and repair procedures after roofing installation. SUBMITTALS Product Data: For each type of product. For insulation and roof system component fasteners, include copy of FM Approvals' RoofNav listing. Shop Drawings: Include roof plans, sections, details, and attachments to other work, details must be project specific, not manufacturers standard package details. Details shall be at scale of not less than [1-1/2 inches per 12 inches (1:10)] [3 inches per 12 inches (1:5)] and include the following: Layout and thickness of insulation. Base flashings and membrane termination details. Flashing details at penetrations. RETAIN ONE OR MORE SUBPARAGRAPHS BELOW. Tapered insulation layout, thickness, and slopes. Roof plan showing orientation of steel roof deck and orientation of roof membrane, fastening spacings, and patterns for mechanically fastened roofing system. Insulation fastening patterns for corner, perimeter, and field-of-roof locations. Tie-in with adjoining air barrier. Samples for Verification: For the following products: RETAIN ONE OR MORE SUBPARAGRAPHS BELOW. Roof membrane and flashings, of color required. Roof paver[,full sized,] in each color and texture required. Walkway pads or rolls, of color required. Wind Uplift Resistance Submittal: For roofing system, indicating compliance with wind uplift performance requirements. COORDINATE "QUALIFICATION DATA" PARAGRAPH BELOW WITH QUALIFICATION REQUIREMENTS IN SECTION014000 "QUALITY REQUIREMENTS" AND AS MAY BE SUPPLEMENTED IN "QUALITY ASSURANCE" ARTICLE. Qualification Data: For [Installer] [manufacturer] [and] [testing agency]. Manufacturer Certificates: RETAIN "PERFORMANCE REQUIREMENT CERTIFICATE" SUBPARAGRAPH BELOW IF RETAINING "FM APPROVALS' ROOFNAV LISTING" OR "ENERGY PERFORMANCE" PARAGRAPH IN "PERFORMANCE REQUIREMENTS" ARTICLE. Performance Requirement Certificate: Signed by roof membrane manufacturer, certifying that roofing system complies with requirements specified in "Performance Requirements" Article. Submit evidence of compliance with performance requirements. Special Warranty Certificate: Signed by roof membrane manufacturer, certifying that all materials supplied under this Section are acceptable for special warranty. Product Test Reports: For roof membrane and insulation, for tests performed by a qualified testing agency, indicating compliance with specified requirements. Evaluation Reports: For components of roofing system, from ICC-ES. RETAIN "FIELD TEST REPORTS" PARAGRAPH BELOW WHEN APPLICABLE. Field Test Reports: FIRST SUBPARAGRAPH BELOW IS FOR CONCRETE ROOF DECKS. SECOND SUBPARAGRAPH IS FOR ROOF DECKS REQUIRING FASTENER-PULLOUT TEST. Concrete internal relative humidity test reports. Fastener-pullout test results and manufacturer's revised requirements for fastener patterns. RETAIN "FIELD QUALITY-CONTROL REPORTS" PARAGRAPH BELOW IF CONTRACTOR IS RESPONSIBLE FOR FIELD QUALITY-CONTROL TESTING AND INSPECTING. Field quality-control reports. Sample Warranties: For manufacturer's special warranties. Maintenance Data: For roofing system to include in maintenance manuals. RETAIN PARAGRAPH BELOW FOR PROJECTS THAT INCLUDE EXISTING BUILDINGS WITH WARRANTED ROOF SYSTEMS INTERFACING WITH THE WORK OF THIS SECTION. Certified statement from existing roof membrane manufacturer stating that existing roof warranty has not been affected by Work performed under this Section. QUALITY ASSURANCE Manufacturer Qualifications: A qualified manufacturer that is [UL listed] [listed in FM Approvals' RoofNav] for roofing system identical to that used for this Project. Installer Qualifications: A qualified firm that is approved, authorized, or licensed by roofing system manufacturer to install manufacturer's product and that is eligible to receive manufacturer's special warranty. DELIVERY, STORAGE, AND HANDLING Deliver roofing materials to Project site in original containers with seals unbroken and labeled with manufacturer's name, product brand name and type, date of manufacture, approval or listing agency markings, and directions for storing and mixing with other components. Store liquid materials in their original undamaged containers in a clean, dry, protected location and within the temperature range required by roofing system manufacturer. Protect stored liquid material from direct sunlight. Discard and legally dispose of liquid material that cannot be applied within its stated shelf life. Protect roof insulation materials from physical damage and from deterioration by sunlight, moisture, soiling, and other sources. Store in a dry location. Comply with insulation manufacturer's written instructions for handling, storing, and protecting during installation. Handle and store roofing materials, and place equipment in a manner to avoid permanent deflection of deck. FIELD CONDITIONS Weather Limitations: Proceed with installation only when existing and forecasted weather conditions permit roofing system to be installed according to manufacturer's written instructions and warranty requirements. WARRANTY WHEN WARRANTIES ARE REQUIRED, VERIFY WITH OWNER'S COUNSEL THAT WARRANTIES STATED IN THIS ARTICLE ARE NOT LESS THAN REMEDIES AVAILABLE TO OWNER UNDER PREVAILING LOCAL LAWS. RETAIN "SPECIAL WARRANTY" PARAGRAPH BELOW IF MANUFACTURER'S LABOR-AND-MATERIALS WARRANTY, COVERING ROOFING SYSTEM, IS REQUIRED. VERIFY COVERAGE OFFERED BY MANUFACTURERS, BECAUSE ROOF INSULATION, FASTENERS, AND OTHER ROOFING COMPONENTS MAY BE EXCLUDED UNLESS PART OF A ROOF MEMBRANE MANUFACTURER'S ROOFING SYSTEM WARRANTY. IF INSERTING SPECIAL PROVISIONS, RETITLE PARAGRAPH "SPECIAL ROOFING MANUFACTURER'S WARRANTY." VERIFY WARRANTY AVAILABILITY AND COORDINATE SELECTION OF MANUFACTURERS ACCORDINGLY. Special Warranty: Manufacturer agrees to repair or replace components of roofing system that fail in materials or workmanship within specified warranty period. RETAIN OPTIONS IN FIRST SUBPARAGRAPH BELOW BASED ON THOSE USED ON PROJECT. VERIFY AVAILABILITY OF MANUFACTURER'S TOTAL-SYSTEM WARRANTY AND COMPONENTS INCLUDED. Special warranty includes roof membrane, base flashings, [roof insulation,] [fasteners,] [cover boards,] [vapor retarder,] [substrate board,] [roof pavers,] and other components of roofing system. VERIFY AVAILABLE WARRANTIES AND WARRANTY PERIODS. Warranty Period: [10] [15] [20] [30] years from date of Substantial Completion. IF RETAINING "SPECIAL PROJECT WARRANTY" PARAGRAPH BELOW, USE OR REVISE SAMPLE ROOFING INSTALLER'S WARRANTY FORM AT END OF THIS SECTION. ALTERNATIVELY, INSERT REFERENCE TO LOCAL ROOFING CONTRACTOR ASSOCIATION'S WARRANTY FORM OR USE ANOTHER FORM AS ADVISED BY OWNER'S COUNSEL. REVISE PARAGRAPH TO REFLECT SCOPE OF SPECIAL PROJECT WARRANTY. Special Project Warranty: Submit roofing Installer's warranty, on warranty form at end of this Section, signed by Installer, covering the Work of this Section, including all components of roofing system such as roof membrane, base flashing, [roof insulation,] [fasteners,] [cover boards,] [substrate boards,] [vapor retarders,] [roof pavers,] and[walkway products], for the following warranty period: Warranty Period: Two years from date of Substantial Completion. PRODUCTS PERFORMANCE REQUIREMENTS General Performance: Installed roofing system and flashings shall withstand specified uplift pressures, thermally induced movement, and exposure to weather without failure due to defective manufacture, fabrication, installation, or other defects in construction. Roof system and flashings shall remain watertight. Accelerated Weathering: Roof membrane shall withstand 2000 hours of exposure when tested according to ASTMG152, ASTMG154, or ASTMG155. Impact Resistance: Roof membrane shall resist impact damage when tested according to ASTMD3746, ASTMD4272, or the "Resistance to Foot Traffic Test" in FM Approvals4470. Material Compatibility: Roofing materials shall be compatible with one another and adjacent materials under conditions of service and application required, as demonstrated by roof membrane manufacturer based on testing and field experience. Wind Uplift Resistance: Design roofing system to resist the following wind uplift pressures when tested according to FM Approvals4470, UL580, or UL1897 with a safety factor of two: HAVE STRUCTURAL ENGINEER PROVIDE / VERIFY UPLIFT PRESSURES. NUMBERS BELOW WILL WORK FOR MOST LOW RISE PROJECTS. YOU MUST SELECT THE WIND PRESSURES. THE FIRST SET OF NUMBERS FOR EACH PRESSURE IS THE EQUIVENLENT OF AN FM 1A-60, SECOND SET 1A-75, THIRD SET 1A-90 ETC. REFERENCE THE EDITOR NOTE BELOW FOR (IN FM LISTINGS) FOR HEIGHT RESTRICTIONS WITH EACH PRESSURE CLASSIFICATION. INDICATE DIMENSIONS OF PERIMETER AND CORNERS IN SUBPARAGRAPHS BELOW FOR SIMPLE ROOF SHAPES OR INDICATE ON DRAWINGS. DIMENSIONS FOR CORNER AND PERIMETER EDGES FOR ROOF HEIGHTS BELOW 60 FEET, SHOULD BE 40% OF THE BUILDING HEIGHT. I.E. 30 FOOT HEIGHT IS A 12 FEET CORNER AND PERIMETER DIMENSION. MINIMUM DIMENISION IS 3 FEET. FOR ROOF HEIGHTS ABOVE 60 FEET, SHOULD BE 10% OF THE SHORTEST SIDE OF BUILDING. I.E. 60 FOOT LONG SHORT SIDE IS A 6 FEET CORNER AND PERIMETER DIMENSION. MINIMUM DIMENISION IS 3 FEET. Zone1 (Roof Area Field): [30] [38] [45] [53] [60] lbf/sq. ft. ([1.44] [1.82] [2.15] [2.53] [2.87] kPa/sq.m). Zone2 (Roof Area Perimeter): [50] [62] [75] [88] [98] lbf/sq. ft. ([2.39] [2.97] [3.59] [4.21] [4.69] kPa/sq.m). Location: From roof edge to inside roof edge. Zone3 (Roof Area Corners): [75] [94] [113] [132] [150] lbf/sq. ft. ([3.59] [4.50] [5.41] [6.32] [7.18] kPa/sq.m). Location: in each direction from each building corner. RETAIN "FM APPROVALS' ROOFNAV LISTING" PARAGRAPH BELOW IF PROJECT IS FM GLOBAL INSURED OR IF FM GLOBAL REQUIREMENTS SET A MINIMUM QUALITY STANDARD. DELETE PARAGRAPH IF ROOF ASSEMBLY INCLUDES A WOOD OR WOOD PANEL ROOF DECK BECAUSE FM APPROVALS' ROOFNAV DOES NOT INCLUDE LISTINGS FOR SUCH ROOF DECKS. COORDINATE REQUIREMENTS IN FM APPROVALS CLASSIFICATION WITH OTHER REQUIREMENTS IN THIS SECTION. LOOSELY LAID AND BALLASTED ROOFING SYSTEMS CANNOT BE APPROVED BY FM APPROVALS BUT MAY BE ACCEPTED ON A PROJECT-BY-PROJECT BASIS. FOR FURTHER CLARIFICATION, CONSULT FM APPROVALS. FM Approvals' RoofNav Listing: Roof membrane, base flashings, and component materials shall comply with requirements in FM Approvals4450 or FM Approvals4470 as part of a roofing system, and shall be listed in FM Approvals' RoofNav for Class1 or noncombustible construction, as applicable. Identify materials with FM Approvals Certification markings. RETAIN ONE OPTION IN "FIRE/WINDSTORM CLASSIFICATION" SUBPARAGRAPH BELOW BASED ON WINDSTORM CLASSIFICATION OF PROJECT. VERIFY AVAILABILITY OF ROOFING SYSTEMS THAT COMPLY WITH THESE CLASSIFICATIONS. "CLASS1A" SIGNIFIES COMPLIANCE WITH ASTME108, CLASSA FIRE PERFORMANCE FOR FM APPROVALS CLASS1 ROOF COVERS. ALMOST EVERY TPO MEMBRANE WILL COMPLY WITH SH RATING WHEN INSTALLED OVER THE PROPER COVER BOARD. FOR BUILDINGS IN A SPECIAL WIND ZONES OR WITH A BUILDING HEIGHT HIGHER THAN LISTED BELOW, GET A ROOF CONSULTANT OR ROOF SUPPLIER TO PROVIDE THE PROJECT WITH WIND CLASSIFICATION. OWNER MAY ALSO REQUEST A CERTAIN FM CLASSIFICATION. THE FOLLOWING ARE GENERAL GUIDELINES FOR ENCLOSED BUILDING, 1.0 IMPORTANCE FACTOR, EXPOSURE B (UNDER TEN STORIES): FOR WIND SPEED OF 90 MPH (MOST OF THE CONTINENTAL US): BUILDING HEIGHT: 0 TO 80 FEET: CLASS 1A-60 80 TO 160 FEET CLASS 1A-75. FOR WIND SPEED OF 100 MPH: BUILDING HEIGHT: 0 TO 60 FEET: CLASS 1A-60 60 TO 80 FEET CLASS 1A-75 80 TO 160 FEET CLASS 1A-90. FOR WIND SPEED OF 110 MPH: BUILDING HEIGHT: 0 TO 60 FEET: CLASS 1A-60 60 TO 80 FEET CLASS 1A-90 80 TO 140 FEET CLASS 1A-105. Fire/Windstorm Classification: [Class1A-60] [Class1A-75] [Class1A-90] [Class1A-105] [Class1A-120]. Hail-Resistance Rating: [MH] [SH]. RETAIN APPLICABLE "SOLAR REFLECTANCE INDEX," "ENERGY STAR LISTING," OR "ENERGY PERFORMANCE" PARAGRAPH BELOW IF "COOL-ROOF" PERFORMANCE IS REQUIRED. VERIFY THAT TPO ROOF MEMBRANE SPECIFIED COMPLIES BEFORE RETAINING. HYPERLINK "http://www.arcomnet.com/sustainable_design.aspx?topic=27"Solar Reflectance Index (SRI): Three-year-aged SRI not less than [64] [32] or initial SRI not less than [82] [39] when calculated according to ASTME1980, based on testing identical products by a qualified testing agency. RETAIN "ENERGY STAR LISTING" PARAGRAPH BELOW FOR ROOFS THAT MUST COMPLY WITH ENERGY STAR REQUIREMENTS. THE DOE'S ENERGY STAR "ROOF PRODUCTS QUALIFIED PRODUCT LIST" IS AVAILABLE IN PDF AT WWW.ENERGYSTAR.GOV. ENERGY STAR Listing: Roofing system shall be listed on the DOE's ENERGY STAR "Roof Products Qualified Product List" for [low] [steep]-slope roof products. USUALLY, RETAIN "ENERGY PERFORMANCE" PARAGRAPH BELOW FOR ROOFS THAT MUST COMPLY WITH "CALIFORNIA CODE OF REGULATIONS, TITLE24." OPTIONS ARE VALUES REQUIRED FOR LOW-SLOPE ROOFS BY PRESCRIPTIVE APPROACH; REVISE IF OTHER VALUES ARE REQUIRED FOR BUILDING-ENVELOPE TRADE-OFF APPROACH OR WHOLE-BUILDING PERFORMANCE APPROACH. A LIST OF PRODUCTS TESTED ACCORDING TO CRRC-1, WITH THEIR TEST VALUES, IS AVAILABLE IN PDF AT WWW.COOLROOFS.ORG. Energy Performance: Roofing system shall have an initial solar reflectance of not less than 0.70 and an emissivity of not less than 0.75 when tested according to CRRC-1. RETAIN ONE OF THREE OPTIONS IN "EXTERIOR FIRE-TEST EXPOSURE" PARAGRAPH BELOW BASED ON FIRE CLASSIFICATION OF ROOF ASSEMBLY AND ROOF COVERING. DELETE PARAGRAPH IF INCLUDING EXTERIOR FIRE-TEST EXPOSURE IN FM APPROVALS CLASS DESIGNATION. Exterior Fire-Test Exposure: ASTME108 or UL790, [ClassA] [ClassB] [ClassC]; for application and roof slopes indicated; testing by a qualified testing agency. Identify products with appropriate markings of applicable testing agency. RETAIN "FIRE-RESISTANCE RATINGS" PARAGRAPH BELOW ONLY IF PRODUCTS SPECIFIED ARE PART OF A FIRE-RESISTANCE-RATED ASSEMBLY. INDICATE RATING, TESTING AGENCY, AND TESTING AGENCY'S DESIGN DESIGNATION ON DRAWINGS. Fire-Resistance Ratings: Comply with fire-resistance-rated assembly designs indicated. Identify products with appropriate markings of applicable testing agency. THERMOPLASTIC POLYOLEFIN (TPO) ROOFING IN "TPO SHEET" PARAGRAPH BELOW, COORDINATE WARRANTY PERIOD AND MEMBRANE THICKNESS IF RETAINING EITHER OPTION. FABRIC-BACKED SHEET IS AVAILABLE USING 45-, 60-, OR 80-MIL- (1.1-, 1.5-, OR 2.0-MM-) THICK MEMBRANE WITH 55-MIL- (1.4-MM-) THICK FABRIC, FOR A TOTAL THICKNESS OF 100, 115, OR 135 MILS (2.8, 2.9, OR 3.4 MM). SELF-ADHERING MEMBRANES ARE AVAILABLE IN 60-MIL (1.5-MM) THICKNESS. VERIFY THAT MANUFACTURERS OFFER OPTIONS RETAINED. TPO Sheet: ASTMD6878/D6878M, internally fabric- or scrim-reinforced, [fabric-backed] [self-adhering] TPO sheet. HYPERLINK "http://www.specagent.com/LookUp/?ulid=5109&mf=04&src=wd"Manufacturers: Subject to compliance with requirements, provide products by one of the following: HYPERLINK "http://www.specagent.com/LookUp/?uid=123456819337&mf=04&src=wd"Carlisle SynTec Incorporated. HYPERLINK "http://www.specagent.com/LookUp/?uid=123456819339&mf=04&src=wd"Firestone Building Products Company. HYPERLINK "http://www.specagent.com/LookUp/?uid=123456819340&mf=04&src=wd"GAF Materials Corporation. HYPERLINK "http://www.specagent.com/LookUp/?uid=123456819342&mf=04&src=wd"Johns Manville. Source Limitations: Obtain components for roofing system from roof membrane manufacturer or manufacturers approved by roof membrane manufacturer. RETAIN ONE OPTION IN "THICKNESS" SUBPARAGRAPH BELOW. NRCA RECOMMENDS A MINIMUM THICKNESS OF 60 MILS (1.5 MM). NO REASON TO USE A 45 MIL AS THERE IS ONLY ABOUT A $0.10/SQ.FT. DIFFERENCE IN COST COMPARED TO THE 60 MILS. 80 MILS MAY BE USED FOR HIGH TRAFFIC ROOFING OTHERWISE THE ADDITIONAL THICKNESS IS NOT NECESSARY. THICKNESS OF MEMBRANE IS RELATED TO THE NUMBER OF YEARS OF WARRANTY. 45 MILS - 10 YEAR WARRANTY, 60 MILS 15 to 20 YEAR WARRANTY AND 80 MILS 20 PLUS YEAR WARRANTY. Thickness: [45 mils (1.1 mm)] [60 mils (1.5 mm)] [80 mils (2.0 mm)], nominal. RETAIN ONE OPTION IN "EXPOSED FACE COLOR" SUBPARAGRAPH BELOW. Exposed Face Color: [Black] [Gray] [Tan] [White]. VERIFY WITH CODE WHAT R / U VALUES IS REQUIRED FOR THE BUILDING ENCLOSURE. Thermal Envelope: Design, fabricate and install insulated membrane roofing system with continuous insulation to provide a thermal envelope. Provide thickness of insulation required to achieve a minimum effective thermal R-value of [20][25][30]; U value of [0.05][0.04][0.033]. Average R-Value calculations are not acceptable. PARAGRAPH BELOW IS A SUGGESTED METHOD TO IDENTIFYING DIFFERENT ROOF ASSEMBLIES FOR PROJECTS WITH MULTIPLY ROOF CONFIGURATIONS. COORIDINATE INDICATED ROOF SYSTEM DESIGNATIONS WITH THE PROJECT ARCHITECT. Roofing System Assemblies: Provide the following roofing system assemblies complete with fasteners and accessories to comply with performance criteria: RS-01: Complete TPO assembly, including thermoplastic polyolefin sheet, flashing, edge lap sealant, substrate membrane adhesive, mastics, thinners, sealers, release agents, sheet activators, sheet primers and insulation board, tapered insulation, [sheathing board if required,] [vapor barrier if required,] membrane termination bars, vent and pipe clamping rings, fasteners and other accessories recommended by roof membrane manufacturer for a complete system. RS-01A: TPO roof assembly above without thermal barrier substrate board RS-01B: TPO roof assembly without insulation and vapor barrier for canopy installation. AUXILIARY ROOFING MATERIALS General: Auxiliary materials recommended by roofing system manufacturer for intended use and compatible with other roofing components. HYPERLINK "http://www.arcomnet.com/sustainable_design.aspx?topic=150"Adhesives and sealants shall comply with the following limits for VOC content or authorities having jurisdiction, whichever is more restrictive: Plastic Foam Adhesives: 50g/L. Gypsum Board and Panel Adhesives: 50g/L. Multipurpose Construction Adhesives: 70g/L. Fiberglass Adhesives: 80g/L. Contact Adhesives: 80g/L. PVC Welding Compounds: 510g/L. Other Adhesives: 250g/L. Single-Ply Roof Membrane Sealants: 450g/L. Nonmembrane Roof Sealants: 300g/L. Sealant Primers for Nonporous Substrates: 250g/L. Sealant Primers for Porous Substrates: 775g/L. Sheet Flashing: Manufacturer's standard unreinforced TPO sheet flashing, 55 mils (1.4 mm) thick, minimum, of same color as TPO sheet. Prefabricated Pipe Flashings: As recommended by roof membrane manufacturer. Roof Vents: As recommended by roof membrane manufacturer. Size: Not less than 4-inch (100-mm) diameter. BEFORE RETAINING OPTION IN "BONDING ADHESIVE" PARAGRAPH BELOW, VERIFY THAT ROOF MEMBRANE MANUFACTURERS OFFER A WATER-BASED ADHESIVE. COORDINATE WITH SELECTION IN "BONDING ADHESIVE" PARAGRAPH IN "ADHERED ROOFING INSTALLATION" ARTICLE. Bonding Adhesive: Manufacturer's standard[,water based]. RETAIN "VENTED BASE SHEET" PARAGRAPH BELOW FOR LIGHTWEIGHT INSULATING CONCRETE ROOF DECKS. Vented Base Sheet: ASTMD4897/D4897M, TypeII; nonperforated, asphalt-impregnated fiberglass reinforced, with mineral granular patterned surfacing on bottom surface. Metal Termination Bars: Manufacturer's standard, predrilled stainless steel or aluminum bars, approximately 1 by 1/8 inch (25 by 3 mm) thick; with anchors. Fasteners: Factory-coated steel fasteners and metal or plastic plates complying with corrosion-resistance provisions in FM Approvals4470, designed for fastening roofing components to substrate, and acceptable to roofing system manufacturer. Miscellaneous Accessories: Provide pourable sealers, preformed cone and vent sheet flashings, preformed inside and outside corner sheet flashings, T-joint covers, lap sealants, termination reglets, and other accessories. SUBSTRATE BOARDS SUBSTRATE BOARDS ARE ONLY NEEDED WITH METAL DECKS TO MEET CODE AND TO ACHIEVE FIRE RATINGS OR TO SPAN FLUTES IN METAL DECKING, OTHERWISE DELETE ARTICLE Substrate Board: Subject to compliance with requirements, provide products by one of the following ASTMC1177/C1177M, glass-mat, water-resistant gypsum substrate, TypeX, 5/8 inch (16 mm) thick. HYPERLINK "http://www.specagent.com/LookUp/?ulid=5110&mf=04&src=wd"Products: Subject to compliance with requirements, provide one of the following: HYPERLINK "http://www.specagent.com/LookUp/?uid=123456822691&mf=04&src=wd"Georgia-Pacific Corporation; Dens Deck. ASTMC1278/C1278M, cellulosic-fiber-reinforced, water-resistant gypsum substrate, 5/8 inch (16 mm) thick. HYPERLINK "http://www.specagent.com/LookUp/?ulid=5111&mf=04&src=wd"Products: Subject to compliance with requirements, provide one of the following: HYPERLINK "http://www.specagent.com/LookUp/?uid=123456822696&mf=04&src=wd"USG Corporation; Securock Gypsum-Fiber Roof Board. Fasteners: Factory-coated steel fasteners and metal or plastic plates complying with corrosion-resistance provisions in FM Approvals4470, designed for fastening substrate board to roof deck. VAPOR RETARDER VAPOR RETARDERS ARE BECOMING COMMON PLACE FOR ALL NEW ROOF CONSTRUCTION, ESPECIALLY ON CONCRETE ROOF DECKS. ALSO REQUIRED IN COLDER ENVIROMENTS (WHERE THE JANUARY MEAN TEMPERATURE IS 40F (4C) OR LESS) AND WHERE VAPOR DRIVE ANAYSLIS REQUIRES ONE. WARNING, IF CONCRETE DECK IS OVER METAL DECK, YOU MUST VERIFY CONCRETE IS DRY. METAL DECKS, INCLUDING VENTED METAL DECKS ARE A VAPOR BARRIER. REVIEW COMPATIBILITY OF VAPOR RETARDER WITH OTHER ROOFING SYSTEM MATERIALS. COORDINATE VAPOR RETARDER TYPE AND INSTALLATION METHOD WITH WIND UPLIFT REQUIREMENTS. RETAIN MATERIAL AND INSTALLATION METHOD TO MINIMIZE PENETRATIONS THROUGH VAPOR RETARDER. A SUBSTRATE BOARD OR LAYER OF INSULATION IS NEEDED BECAUSE VAPOR RETARDERS CANNOT BE PLACED DIRECTLY OVER A STEEL DECK. Polyethylene Film: ASTMD4397, [6 mils (0.015 mm)] [10 mils (0.25 mm)] thick, minimum, with maximum permeance rating of [0.13 perm (0.084 metric perm)] [0.076 perm (0.050 metric perm)]. RETAIN "TAPE" OR "ADHESIVE" SUBPARAGRAPH BELOW. Tape: Pressure-sensitive tape of type recommended by vapor retarder manufacturer for sealing joints and penetrations in vapor retarder. Adhesive: Manufacturer's standard lap adhesive, listed by FM Approvals for vapor retarder application. RETAIN FIRST "SELF-ADHERING-SHEET VAPOR RETARDER" PARAGRAPH BELOW IF RUBBERIZED ASPHALT ADHESIVE IS REQUIRED; RETAIN SECOND IF BUTYL RUBBER ADHESIVE IS REQUIRED. BUTYL RUBBER ADHESIVE MIGHT BE USED IN HOT DESERT OR HIGH-ALTITUDE CLIMATES. Self-Adhering-Sheet Vapor Retarder: ASTMD1970/D1970M, polyethylene film laminated to layer of rubberized asphalt adhesive, minimum 40-mil (1.0-mm) total thickness; maximum permeance rating of 0.1 perm (6 ng/Pa xs x sq.m); cold applied, with slip-resisting surface and release paper backing. Provide primer when recommended by vapor retarder manufacturer. Self-Adhering-Sheet Vapor Retarder: Polyethylene film laminated to layer of butyl rubber adhesive, minimum 30-mil (0.76-mm) total thickness; maximum permeance rating of 0.1 perm (6 ng/Pa xs x sq.m); cold applied, with slip-resisting surface and release paper backing. Provide primer when recommended by vapor retarder manufacturer. ROOF INSULATION RETAIN OPTION BELOW IF FM GLOBAL APPROVAL IS REQUIRED. General: Preformed roof insulation boards manufacturedor approved by TPO roof membrane manufacturer[,approved for use in FM Approvals' RoofNav-listed roof assemblies]. Where total insulation thickness exceeds 2-inches, insulation must be applied in 2-layers minimum with joints staggered at each layer. THE RECOMMENDED ROOF INSULATION IS POLYISOCYANURATE. POLYISO ONLY HAS A COMPRESSIVE STRENGTH OF 20 PSI, THEREFORE A COVER BOARD IS REQUIRED. EXPS AND EPS INSULATION BOARDS OFFER HIGH PSI BUT ARE NOT COMPATIBLE WITH SOLVENTS OR HIGH TEMPERATURES; THEREFORE, THEY WILL ALSO REQUIRE A COVER BOARD. EXPS AND EPS INSULATION BOARDS REQUIRE A SUBSTRATE BOARD (THERMAL BARRIER) ON STEEL DECKS TO COMPLY WITH BUILDING CODES AND MEET CLASS 1 CONSTRUCTION. MINERAL WOOL SOMETIMES GETS REQUESTED BECAUSE OF ITS GREEN VIEW, HOWEVER IT WILL REQUIRE A THICKER ROOF SECOND OPTION IN "EXTRUDED-POLYSTYRENE BOARD INSULATION" PARAGRAPH BELOW IS FOR HIGH COMPRESSIVE STRENGTH INSULATION FOR USE WITH PROTECTED MEMBRANE ROOF SYSTEMS, PLAZA DECKS, AND OTHER INSTALLATIONS REQUIRING HIGH COMPRESSIVE STRENGTH INSULATION. Extruded-Polystyrene Board Insulation: ASTMC578, [TypeIV, 1.45-lb/cu. ft. (23-kg/cu.m) minimum density, 25-psi (173-kPa) minimum compressive strength] [TypeV, 3.00-lb/cu. ft. (48-kg/cu.m), minimum density, 100-psi (690-kPa) minimum compressive strength], square edged.  HYPERLINK "http://www.specagent.com/Lookup?ulid=8992" Manufacturers: Subject to compliance with requirements, provide products by one of the following:  HYPERLINK "http://www.specagent.com/Lookup?uid=123457089006" DiversiFoam Products.  HYPERLINK "http://www.specagent.com/Lookup?uid=123457089007" Dow Chemical Company (The).  HYPERLINK "http://www.specagent.com/Lookup?uid=123457089009" Kingspan Insulation Limited.  HYPERLINK "http://www.specagent.com/Lookup?uid=123457089008" Owens Corning. Thermal Resistance: R-value of 5.0 per inch (25.4 mm). ADHERED INSULATION USUALLY REQUIRES FIRST OPTION IN "SIZE" SUBPARAGRAPH BELOW. Size: [48 by 48 inches (1219 by 1219 mm)] [48 by 96 inches (1219 by 2438 mm)]. Thickness: Base Layer: 1 1/2 inches (38 mm) minimum. Upper Layer: As required, to achieve scheduled R-Value. RETAIN "MOLDED (EXPANDED) POLYSTYRENE BOARD INSULATION" PARAGRAPH BELOW FOR NONCOMPOSITE, UNFACED, MOLDED POLYSTYRENE BOARD INSULATION. PRODUCT INDICATED IS FOR MINIMUM DENSITY RECOMMENDED BY NRCA. REVISE FOR OTHER DENSITIES, ALONG WITH REVISING COMPRESSIVE STRENGTH AND THERMAL RESISTANCE. FOR EXAMPLE, ASTMC578, TYPEII HAS A MINIMUM DENSITY OF 1.35 LB/CU. FT. (22 KG/CU.M), A MINIMUM COMPRESSIVE STRENGTH OF 15 PSI (104 KPA), AND A THERMAL RESISTANCE OF 4.0 PER INCH (25.4 MM). EPS INSULATION REQUIRES A COVER BOARD FOR ADHERED AND MECHANICALLY ATTACHED ROOF SYSTEMS. Molded (Expanded) Polystyrene Board Insulation: ASTMC578, TypeVIII, 1.15-lb/cu. ft. (18-kg/cu.m) minimum density, 13-psi (90-kPa) minimum compressive strength, square edge.  HYPERLINK "http://www.specagent.com/Lookup?ulid=8992" Manufacturers: Subject to compliance with requirements, provide products by one of the following:  HYPERLINK "http://www.specagent.com/Lookup?uid=123457088969" Carlisle SynTec Incorporated.  HYPERLINK "http://www.specagent.com/Lookup?uid=123457088970" DiversiFoam Products.  HYPERLINK "http://www.specagent.com/Lookup?uid=123457088971" Dyplast Products.  HYPERLINK "http://www.specagent.com/Lookup?uid=123457088972" Insulfoam - a division of Carlisle Construction Materials Inc. Thermal Resistance: R-value of 3.8 per inch (25.4 mm). ADHERED INSULATION USUALLY REQUIRES FIRST OPTION IN "SIZE" SUBPARAGRAPH BELOW. Size: [48 by 48 inches (1219 by 1219 mm)] [48 by 96 inches (1219 by 2438 mm)]. Thickness: Base Layer: 1 1/2 inches (38 mm) minimum. Upper Layer: As required, to achieve scheduled R-Value. FOR HIGHER COMPRESSIVE STRENGTH INSULATION, REVISE TO GRADE3. VERIFY AVAILABILITY OF OPTIONS WITH INSULATION MANUFACTURERS. Polyisocyanurate Board Insulation: ASTMC1289, TypeII, Class1, Grade2, felt or glass-fiber mat facer on both major surfaces. Manufacturers: Subject to compliance with requirements, provide products by one of the following:  HYPERLINK "http://www.specagent.com/Lookup?uid=123457005796" Atlas Roofing Corporation.  HYPERLINK "http://www.specagent.com/Lookup?uid=123457005799" Firestone Building Products.  HYPERLINK "http://www.specagent.com/Lookup?uid=123457005801" Hunter Panels.  HYPERLINK "http://www.specagent.com/Lookup?uid=123457005803" Johns Manville; a Berkshire Hathaway company.  HYPERLINK "http://www.specagent.com/Lookup?uid=123457005804" Rmax, Inc. COORDINATE "COMPRESSIVE STRENGTH" SUBPARAGRAPH BELOW WITH GRADE OF INSULATION RETAINED IN "POLYISOCYANURATE BOARD INSULATION" PARAGRAPH ABOVE. FIRST OPTION IS FOR GRADE2; SECOND OPTION IS FOR GRADE3. Compressive Strength: [20 psi (138 kPa)] [25 psi (172 kPa)]. Size: 48 by 96 inches (1219 by 2438 mm). Thickness: Base Layer: 1 1/2 inches (38 mm) minimum. Upper Layer: As required, to achieve scheduled R-Value. Mineral Wool Insulation - Single Density: ASTMC726, TypeII, Class1, comprising monolithic fibrous material having 12.5-lb/cu. ft. (200-kg/cu.m) density. Thermal Resistance: R-value of 4.0 per inch (25.4 mm). Size: 48 by 48 inches ((1219 by 1219 mm).) Thickness: 1 inch (38 mm). RETAIN "FACE TREATMENT" SUBPARAGRAPH BELOW WHEN FABRIC-BACKED ROOF MEMBRANES ARE ADHERED TO MINERAL WOOL INSULATION USING ASPHALTIC MATERIALS. Face Treatment: Bitumen coating. RETAIN "TAPERED INSULATION" PARAGRAPH BELOW IF TAPERED INSULATION IS REQUIRED. Tapered Insulation: Provide factory-tapered insulation boards. Material: Match roof insulation. Minimum Thickness: 1/4 inch (6.35 mm). Slope: Roof Field: 1/4 inch per foot (1:48) unless otherwise indicated on Drawings. Saddles and Crickets: 1/2 inch per foot (1:24) unless otherwise indicated on Drawings. INSULATION ACCESSORIES General: Roof insulation accessories recommended by insulation manufacturer for intended use and compatibility with other roofing system components. RETAIN "FASTENERS" PARAGRAPH BELOW IF INSULATION REQUIRES MECHANICAL FASTENING. RETAIN OPTION IF SEPARATE COVER BOARDS REQUIRE FASTENING. Fasteners: Factory-coated steel fasteners with metal or plastic plates complying with corrosion-resistance provisions in FM Approvals4470, designed for fastening [substrate boards] roof insulation[and cover boards] to substrate, and acceptable to roofing system manufacturer. Insulation Adhesive: Insulation manufacturer's recommended adhesive formulated to attach roof insulation to substrate or to another insulation layer as follows: RETAIN ONE OF THREE SUBPARAGRAPHS BELOW. Modified asphaltic, asbestos-free, cold-applied adhesive. Bead-applied, low-rise, one-component or multicomponent urethane adhesive. Full-spread, spray-applied, low-rise, two-component urethane adhesive. HYPERLINK "http://www.arcomnet.com/sustainable_design.aspx?topic=150"Adhesives and sealants shall comply with the following limits for VOC content: Plastic Foam Adhesives: 50g/L. Gypsum Board and Panel Adhesives: 50g/L. Multipurpose Construction Adhesives: 70g/L. Fiberglass Adhesives: 80g/L. Contact Adhesives: 80g/L. PVC Welding Compounds: 510g/L. Other Adhesives: 250g/L. Single-Ply Roof Membrane Sealants: 450g/L. Nonmembrane Roof Sealants: 300g/L. Sealant Primers for Nonporous Substrates: 250g/L. Sealant Primers for Porous Substrates: 775g/L. Cover Board: Provide one of the following: ASTMC1289 TypeII, Class4, Grade1, 1/2-inch- (13-mm-) thick polyisocyanurate, with a minimum compressive strength of 80 psi (551 kPa). HYPERLINK "http://www.specagent.com/LookUp/?ulid=5112&mf=04&src=wd"Products: Subject to compliance with requirements, provide the following: HYPERLINK "http://www.specagent.com/LookUp/?uid=123456822698&mf=04&src=wd"Firestone Building Products; Isogard HD Cover Board. ASTMC1177/C1177M, glass-mat, water-resistant gypsum substrate, 1/2 inch (13 mm) thick,factory primed. HYPERLINK "http://www.specagent.com/LookUp/?ulid=5112&mf=04&src=wd"Products: Subject to compliance with requirements, provide one of the following: HYPERLINK "http://www.specagent.com/LookUp/?uid=123456822698&mf=04&src=wd"Georgia-Pacific Corporation; Dens Deck Prime. PROTECTION MATS IN "PROTECTION MAT" PARAGRAPH BELOW MAY BE PLACED ON ROOF MEMBRANE AS PROTECTION FROM ROOF PAVERS. Protection Mat: Woven or nonwoven polypropylene, polyolefin, or polyester fabric; water permeable and resistant to UV degradation; type and weight as recommended by roofing system manufacturer for application. ROOF PAVERS PAVERS USED FOR DECORATIVE PURPOSES. Lightweight Roof Pavers: Interlocking, lightweight concrete units; grooved back, with four-way drainage capability; beveled, doweled, or otherwise profiled; and as follows: Manufacturers: Subject to compliance with requirements, provide products by one of the following:  HYPERLINK "http://www.specagent.com/Lookup?uid=123457088983" Hanover Architectural Products.  HYPERLINK "http://www.specagent.com/Lookup?uid=123457088984" Rapid Building Systems.  HYPERLINK "http://www.specagent.com/Lookup?uid=123457088985" Roofblok Limited.  HYPERLINK "http://www.specagent.com/Lookup?uid=123457088986" Westile Roofing Products. COORDINATE SIZE SELECTION IN "SIZE" SUBPARAGRAPH BELOW WITH MINIMUM PAVER COVERAGE REQUIRED, ESPECIALLY AT CORNERS, PERIMETER, PENETRATIONS, AND ABOVE LARGE WALL OPENINGS. PAVER SIZES VARY AMONG MANUFACTURERS AND INCLUDE 8 BY 16, 12 BY 12, 12 BY 16-1/2, AND 12 BY 18 INCHES (200 BY 400, 300 BY 300, 300 BY 420, AND 300 BY 450 MM). Size: . INSERT WEIGHT OF ROOF PAVER IN "WEIGHT" SUBPARAGRAPH BELOW. SPRI IDENTIFIES INTERLOCKING, LIGHTWEIGHT ROOF PAVERS AS WEIGHING AT LEAST 10 LB/SQ. FT. (50 KG/SQ.M), BUT NOT EXCEEDING 18 LB/SQ. FT. (90 KG/SQ.M). VERIFY AVAILABILITY WITH MANUFACTURERS. Weight: . RETAIN ONE OF TWO OPTIONS IN "COMPRESSIVE STRENGTH" SUBPARAGRAPH BELOW. Compressive Strength: [2500 psi (17 MPa)] [5000 psi (34 MPa)], minimum. RETAIN ONE OF THREE OPTIONS IN "COLORS AND TEXTURES" SUBPARAGRAPH BELOW. IF RETAINING FIRST OPTION, INDICATE COLORS AND TEXTURES IN A SEPARATE SCHEDULE. Colors and Textures: [As indicated by manufacturer's designations] [Match Architect's samples] [As selected by Architect from manufacturer's full range]. Heavyweight Roof Pavers: Heavyweight, hydraulically pressed concrete units, [square edged] [with top edges beveled 3/16 inch (5 mm)], factory cast for use as roof pavers; absorption not greater than 5 percent, ASTMC140/C140M; no breakage and maximum 1percent mass loss when tested for freeze-thaw resistance, ASTMC67; and as follows: Manufacturers: Subject to compliance with requirements, provide products by one of the following:  HYPERLINK "http://www.specagent.com/Lookup?uid=123457089039" Hanover Architectural Products.  HYPERLINK "http://www.specagent.com/Lookup?uid=123457089040" Rapid Building Systems.  HYPERLINK "http://www.specagent.com/Lookup?uid=123457089041" Roofblok Limited.  HYPERLINK "http://www.specagent.com/Lookup?uid=123457089042" Sunny Brook Pressed Concrete Company.  HYPERLINK "http://www.specagent.com/Lookup?uid=123457089043" Wausau Tile Inc.  HYPERLINK "http://www.specagent.com/Lookup?uid=123457089044" Westile Roofing Products. COORDINATE SIZE SELECTION IN "SIZE" SUBPARAGRAPH BELOW WITH MINIMUM PAVER COVERAGE REQUIRED, ESPECIALLY AT CORNERS, PERIMETER, PENETRATIONS, AND ABOVE LARGE WALL OPENINGS. CONSIDER HANDLING OF PAVERS AS WEIGHT INCREASES. PAVER SIZES VARY AMONG MANUFACTURERS AND INCLUDE 12 BY 12 AND 18 BY 18 INCHES (300 BY 300 AND 450 BY 450 MM). Size: 24 by 24 inches (600 by 600 mm). Manufacture pavers to dimensional tolerances of plus or minus 1/16 inch (1.6 mm) in length, height, and thickness. RETAIN ONE OF TWO OPTIONS IN "WEIGHT" SUBPARAGRAPH BELOW. SPRIRP-4 ALLOWS ROOF PAVERS WEIGHING 18 LB/SQ. FT. (90 KG/SQ.M) FOR SYSTEM1 AT ALL LOCATIONS AND FOR SYSTEM2 AT FIELD OF ROOF. PAVERS WEIGHING 22 LB/SQ. FT. (110 KG/SQ.M) ARE REQUIRED FOR SYSTEM2 CORNER AND PERIMETER AREAS AND ALL AREAS FOR SYSTEM3. VERIFY AVAILABILITY WITH MANUFACTURERS, AND COORDINATE WITH SIZE OF PAVER IN "SIZE" SUBPARAGRAPH ABOVE IF WEIGHT OF PAVER UNIT IS A CONSIDERATION. Weight: [18 lb/sq. ft. (90 kg/sq.m)] [22 lb/sq. ft. (110 kg/sq.m)]. RETAIN ONE OF TWO OPTIONS IN "COMPRESSIVE STRENGTH" SUBPARAGRAPH BELOW. Compressive Strength: [7500 psi (52 MPa)] [6500 psi (45 MPa)], minimum. RETAIN ONE OF THREE OPTIONS IN "COLORS AND TEXTURES" SUBPARAGRAPH BELOW. IF RETAINING FIRST OPTION, INDICATE COLORS AND TEXTURES IN A SEPARATE SCHEDULE. Colors and Textures: [As indicated by manufacturer's designations] [Match Architect's samples] [As selected by Architect from manufacturer's full range]. WALKWAYS RETAIN "FLEXIBLE WALKWAYS" OR "WALKWAY ROOF PAVERS" PARAGRAPH BELOW FOR PREFORMED ROOF WALKWAY PRODUCTS. REVISE TO SUIT OTHER WALKWAY PRODUCTS IF REQUIRED. Flexible Walkways: Factory-formed, nonporous, heavy-duty, slip-resisting, surface-textured walkway [pads] [or] [rolls], approximately 3/16 inch (5 mm) thick and acceptable to roofing system manufacturer. Size: Approximately36 by 60 inches (914 by 1524 mm). Color: Contrasting with roof membrane. EXECUTION EXAMINATION Examine substrates, areas, and conditions, with Installer present, for compliance with requirements and other conditions affecting performance of the Work. Verify that roof openings and penetrations are in place, curbs are set and braced, and roof-drain bodies are securely clamped in place. Verify that wood blocking, curbs, and nailers are securely anchored to roof deck at penetrations and terminations and that nailers match thicknesses of insulation. RETAIN FIRST SUBPARAGRAPH BELOW FOR STEEL ROOF DECK. Verify that surface plane flatness and fastening of steel roof deck complies with requirements in Section053100 "Steel Decking." RETAIN OR REVISE SUBPARAGRAPHS BELOW FOR CONCRETE ROOF DECKS. Verify that minimum concrete drying period recommended by roofing system manufacturer has passed. Verify that concrete substrate is visibly dry and free of moisture, and that minimum concrete internal relative humidity is not more than 75 percent, or as recommended by roofing system manufacturer, when tested according to ASTMF2170. Test Frequency: One test probe per each 1000 sq. ft. (93 sq.m), or portion thereof, of roof deck, with not less than three tests probes. Submit test reports within 24 hours after performing tests. Verify that concrete-curing compounds that will impair adhesion of roofing components to roof deck have been removed. Verify that joints in precast concrete roof decks have been grouted flush with top of concrete. RETAIN FIRST SUBPARAGRAPH BELOW FOR LIGHTWEIGHT INSULATING CONCRETE ROOF DECKS. DONT USE STRUCTURAL LIGHT WEIGHT UNLESS YOU HAVE A VENTED BASE PLY. Verify that minimum curing period recommended by roofing system manufacturer for lightweight insulating concrete roof decks has passed. Proceed with installation only after unsatisfactory conditions have been corrected. PREPARATION Clean substrate of dust, debris, moisture, and other substances detrimental to roofing system installation according to roofing system manufacturer's written instructions. Remove sharp projections. Prevent materials from entering and clogging roof drains and conductors and from spilling or migrating onto surfaces of other construction. Remove roof-drain plugs when no work is taking place or when rain is forecast. RETAIN FIRST PARAGRAPH BELOW FOR LIGHTWEIGHT INSULATING CONCRETE ROOF DECKS, WOOD AND WOOD PANEL ROOF DECKS, POURED GYPSUM ROOF DECKS, CEMENTITIOUS WOOD-FIBER PLANK ROOF DECKS, AND STEEL ROOF DECKS LESS THAN0.295 INCH (0.749 MM) THICK. Perform fastener-pullout tests according to roof system manufacturer's written instructions. Submit test result within 24 hours after performing tests. Include manufacturer's requirements for any revision to previously submitted fastener patterns required to achieve specified wind uplift requirements. RETAIN PARAGRAPH BELOW IF ACOUSTICAL ROOF DECK RIB INSULATION, SHAPED TO FIT INTO TOPSIDE RIBS OF ACOUSTICAL ROOF DECK, IS INSTALLED IN THIS SECTION. Install sound-absorbing insulation strips according to acoustical roof deck manufacturer's written instructions. ROOFING INSTALLATION, GENERAL Install roofing system according to roofing system manufacturer's written instructions, FM Approvals' RoofNav assembly requirements, and FM Global Property Loss Prevention Data Sheet 1-29. Complete terminations and base flashings and provide temporary seals to prevent water from entering completed sections of roofing system at end of workday or when rain is forecast. Remove and discard temporary seals before beginning Work on adjoining roofing. RETAIN FIRST PARAGRAPH BELOW IF TIE-INS TO EXISTING ROOFING ARE REQUIRED. Install roof membrane and auxiliary materials to tie in to existing roofing to maintain weathertightness of transition[and to not void warranty for existing roofing system]. RETAIN PARAGRAPH BELOW WHEN AIR BARRIERS ARE PART OF PROJECT. DRAWING DETAILS SHOULD SPECIFICALLY ILLUSTRATE TRANSITION BETWEEN DIFFERENT AIR BARRIER COMPONENTS. Coordinate installation and transition of roofing system component serving as an air barrier with air barrier specified under [Section072713 "Modified Bituminous Sheet Air Barriers."] [Section072715 "Nonbituminous Self-Adhering Sheet Air Barriers."] [Section072726 "Fluid-Applied Membrane Air Barriers."] SUBSTRATE BOARD INSTALLATION Install substrate board with long joints in continuous straight lines, with end joints staggered not less than 24 inches (610 mm) in adjacent rows. RETAIN FIRST SUBPARAGRAPH BELOW FOR STEEL ROOF DECKS. At steel roof decks, install substrate board at right angle to flutes of deck. Locate end joints over crests of steel roof deck. Tightly butt substrate boards together. Cut substrate board to fit tight around penetrations and projections, and to fit tight to intersecting sloping roof decks. RETAIN ONE OF TWO SUBPARAGRAPHS BELOW IF MECHANICAL FASTENING OF SUBSTRATE BOARD TO STEEL ROOF DECK IS REQUIRED. SUBSTRATE BOARD IS USUALLY ATTACHED WHEN BASE LAYER OF ROOF INSULATION, WHICH OVERLAYS SUBSTRATE BOARD, IS ATTACHED. Fasten substrate board to top flanges of steel deck according to recommendations in FM Approvals' RoofNav assembly requirements and FM Global Property Loss Prevention Data Sheet1-29 for specified Windstorm Resistance Classification. Ensure screws are not long enough to reach the bottom flute. Fasten substrate board to top flanges of steel deck to resist uplift pressure at corners, perimeter, and field of roof according to roofing system manufacturers' written instructions. Ensure screws are not long enough to reach the bottom flute. RETAIN SUBPARAGRAPH BELOW FOR ROOFING SYSTEMS NOT INCLUDING A VAPOR RETARDER BUT INCORPORATING THE FIRST LAYER OF INSULATION OVER THE SUBSTRATE BOARD TO BE MECHANICALLY ATTACHED TO THE ROOF DECK. Loosely lay substrate board over roof deck. VAPOR RETARDER INSTALLATION RETAIN APPLICABLE VAPOR RETARDER MATERIAL IN THIS ARTICLE. VERIFY, WITH ROOF MEMBRANE MANUFACTURER, IF A VAPOR RETARDER IS REQUIRED OVER LIGHTWEIGHT STRUCTURAL CONCRETE ROOF DECKS, NORMAL WEIGHT CONCRETE ROOF DECKS, OR UNDER ANY OTHER CIRCUMSTANCES. COORDINATE VAPOR RETARDER MATERIAL AND INSTALLATION METHOD WITH WIND UPLIFT REQUIREMENTS. RETAIN MATERIAL AND INSTALLATION METHOD TO MINIMIZE PENETRATIONS THROUGH VAPOR RETARDER. RETITLE ARTICLE "AIR BARRIER INSTALLATION" IF THAT IS PRIMARY FUNCTION; REVISE INSTALLATION REQUIREMENTS IF NECESSARY. Polyethylene Film: Loosely lay polyethylene-film vapor retarder in a single layer over area to receive vapor retarder, side and end lapping each sheet a minimum of 2 and 6 inches (50 and 150 mm), respectively. Extend vertically up parapet walls and projections to a minimum height equal to height of insulation and cover board. Continuously seal side and end laps with [tape] [adhesive]. Self-Adhering-Sheet Vapor Retarder: Prime substrate if required by manufacturer. Install self-adhering-sheet vapor retarder over area to receive vapor retarder, side and end lapping each sheet a minimum of 3-1/2 and 6 inches (90 and 150 mm), respectively. Extend vertically up parapet walls and projections to a minimum height equal to height of insulation and cover board. Seal laps by rolling. Completely seal vapor retarder at terminations, obstructions, and penetrations to prevent air movement into roofing system. INSULATION INSTALLATION Coordinate installing roofing system components so insulation is not exposed to precipitation or left exposed at end of workday. Comply with roofing system and roof insulation manufacturer's written instructions for installing roof insulation. Installation Over Metal Decking: Install base layer of insulation with end joints staggered not less than 12 inches (305 mm) in adjacent rowsand with long joints continuous at right angle to flutes of decking. RETAIN FIRST SUBPARAGRAPH BELOW WHEN INSULATION IS INSTALLED DIRECTLY OVER METAL DECKING. Locate end joints over crests of decking. Trim insulation neatly to fit around penetrations and projections, and to fit tight to intersecting sloping roof decks. Make joints between adjacent insulation boards not more than 1/4 inch (6 mm) in width. KEEP THE FOLLOWING PARAGRAPH IF YOU WANT SUMPS. MOST OF THE TIME THEY ARE NOT ADVISED. At internal roof drains, slope insulation to create a square drain sump with each side equal to the diameter of the drain bowl plus 24 inches (610 mm). Trim insulation so that water flow is unrestricted. Fill gaps exceeding 1/4 inch (6 mm) with insulation. Cut and fit insulation within 1/4 inch (6 mm) of nailers, projections, and penetrations. RETAIN FIRST SUBPARAGRAPH BELOW IF BASE LAYER IS MECHANICALLY ATTACHED, OR IF CORNER AND PERIMETER INSULATION IS ATTACHED BENEATH LOOSELY LAID AND AGGREGATE-BALLASTED ROOF SYSTEMS. IF YOU USE SELF ADHERED VAPOR BARRIER, SOME ROOFING MANUFACTURERS WILL ALLOW THE USE OF LOW-RISE FOAM ADHESIVE TO ADHERE THE FIRST LAYER OF INSULATION. CHECK WITH SELECTED ROOFING MANUFACTURER AND FM GUIDELINES. Mechanically attach base layer of insulation[and substrate board] using mechanical fasteners specifically designed and sized for fastening specified board-type roof insulation to metal decks. Ensure screws are long enough to provide 3/4 inch penetration through the top flute, but not long enough to reach the bottom flute. RETAIN FIRST SUBPARAGRAPH BELOW IF PROJECT IS FM GLOBAL INSURED OR IF FM GLOBAL REQUIREMENTS ARE PROPOSED AS A PERFORMANCE STANDARD. RETAIN SECOND SUBPARAGRAPH IF FASTENING IS BASED ON "WIND UPLIFT RESISTANCE" PARAGRAPH IN "PERFORMANCE REQUIREMENTS" ARTICLE. COORDINATE WITH "PERFORMANCE REQUIREMENTS" ARTICLE. FASTENER NUMBERS WILL INCREASE AT CORNERS AND PERIMETER OVER NUMBER REQUIRED FOR FIELD OF ROOF. Fasten insulation according to requirements in FM Approvals' RoofNav for specified Windstorm Resistance Classification. Fasten insulation to resist specified uplift pressure at corners, perimeter, and field of roof. RETAIN OPTION IN FIRST SUBPARAGRAPH BELOW IF TAPERED INSULATION IS APPLICABLE. Install upper layers of insulation[and tapered insulation] with joints of each layer offset not less than 12 inches (305 mm) from previous layer of insulation in both directions. Install with long joints continuous and with end joints staggered not less than 12 inches (305 mm) in adjacent rows. Trim insulation neatly to fit around penetrations and projections, and to fit tight to intersecting sloping roof decks. Make joints between adjacent insulation boards not more than 1/4 inch (6 mm) in width. KEEP THE FOLLOWING PARAGRAPH IF YOU WANT SUMPS. MOST OF THE TIME THEY ARE NOT ADVISED. At internal roof drains, slope insulation to create a square drain sump with each side equal to the diameter of the drain bowl plus 24 inches (610 mm). Trim insulation so that water flow is unrestricted. Fill gaps exceeding 1/4 inch (6 mm) with insulation. Cut and fit insulation within 1/4 inch (6 mm) of nailers, projections, and penetrations. RETAIN FIRST SUBPARAGRAPH BELOW WITH MECHANICALLY ATTACHED BASE LAYER INSULATION. Adhere each layer of insulation to substrate using adhesive according to FM Approvals' RoofNav assembly requirements and FM Global Property Loss Prevention Data Sheet1-29 for specified Windstorm Resistance Classification, as follows: RETAIN ONE OF TWO SUBPARAGRAPHS BELOW AND DELETE LAST SUBPARAGRAPH ABOVE FOR LOW-RISE URETHANE ADHESIVE APPLICATION. COORDINATE WITH PRODUCT SELECTED. Set each layer of insulation in ribbons of bead-applied insulation adhesive, firmly pressing and maintaining insulation in place. Set each layer of insulation in a uniform coverage of full-spread insulation adhesive, firmly pressing and maintaining insulation in place. Installation Over Concrete Decks: Install base layer of insulation with end joints staggered not less than 12 inches (305 mm) in adjacent rows. Trim insulation neatly to fit around penetrations and projections, and to fit tight to intersecting sloping roof decks. Make joints between adjacent insulation boards not more than 1/4 inch (6 mm) in width. At internal roof drains, slope insulation to create a square drain sump with each side equal to the diameter of the drain bowl plus 24 inches (610 mm). Trim insulation so that water flow is unrestricted. Fill gaps exceeding 1/4 inch (6 mm) with insulation. Cut and fit insulation within 1/4 inch (6 mm) of nailers, projections, and penetrations. RETAIN FIRST SUBPARAGRAPH BELOW IF BASE LAYER OF INSULATION IS ADHERED TO ROOF DECK OR TO VAPOR RETARDER, OR IF CORNER AND PERIMETER INSULATION IS ATTACHED BENEATH LOOSELY LAID AGGREGATE-BALLASTED ROOFING SYSTEMS. ENSURE YOU HAVE NOT SELECTED THE POLYETHYLENE SHEET AS YOUR VAPOR BARRIER. YOU CANNOT ADHERE INSULATION TO LOOSE LAID SHEET BARRIER. Adhere base layer of insulation to [concrete roof deck] [vapor retarder] according to FM Approvals' RoofNav assembly requirements and FM Global Property Loss Prevention Data Sheet1-29 for specified Windstorm Resistance Classification, as follows: RETAIN ONE OF FIRST TWO SUBPARAGRAPHS BELOW AND DELETE LAST SUBPARAGRAPHS ABOVE FOR LOW-RISE URETHANE ADHESIVE APPLICATION. COORDINATE WITH PRODUCT SELECTED. Set insulation in ribbons of bead-applied insulation adhesive, firmly pressing and maintaining insulation in place. Set insulation in a uniform coverage of full-spread insulation adhesive, firmly pressing and maintaining insulation in place. RETAIN OPTION IN FIRST SUBPARAGRAPH BELOW IF TAPERED INSULATION IS APPLICABLE. Install upper layers of insulation[and tapered insulation] with joints of each layer offset not less than 12 inches (305 mm) from previous layer of insulation in both directions. Install with long joints continuous and with end joints staggered not less than 12 inches (305 mm) in adjacent rows. Trim insulation neatly to fit around penetrations and projections, and to fit tight to intersecting sloping roof decks. Make joints between adjacent insulation boards not more than 1/4 inch (6 mm) in width. KEEP THE FOLLOWING PARAGRAPH IF YOU WANT SUMPS. MOST OF THE TIME THEY ARE NOT ADVISED. At internal roof drains, slope insulation to create a square drain sump with each side equal to the diameter of the drain bowl plus 24 inches (610 mm). Trim insulation so that water flow is unrestricted. Fill gaps exceeding 1/4 inch (6 mm) with insulation. Cut and fit insulation within 1/4 inch (6 mm) of nailers, projections, and penetrations. RETAIN FIRST SUBPARAGRAPH BELOW WITH ADHERED BASE LAYER INSULATION. Adhere each layer of insulation to substrate using adhesive according to FM Approvals' RoofNav assembly requirements and FM Global Property Loss Prevention Data Sheet1-29 for specified Windstorm Resistance Classification, as follows: RETAIN FIRST SUBPARAGRAPH BELOW FOR HOT-ASPHALT APPLICATION. USUALLY DELETE FOR SUSTAINABLE PROJECTS. VERIFY WITH APPLICABLE SUSTAINABLE PROGRAM. USUALLY NOT A GOOD IDEA AS TPO & ASPHALT ARE NOT COMPATIBLE. Set each layer of insulation in a solid mopping of hot roofing asphalt, applied within plus or minus 25 degF (14 degC) of equiviscous temperature. RETAIN ONE OF TWO SUBPARAGRAPHS BELOW AND DELETE LAST SUBPARAGRAPH ABOVE FOR LOW-RISE URETHANE ADHESIVE APPLICATION. COORDINATE WITH PRODUCT SELECTED. Set each layer of insulation in ribbons of bead-applied insulation adhesive, firmly pressing and maintaining insulation in place. Set each layer of insulation in a uniform coverage of full-spread insulation adhesive, firmly pressing and maintaining insulation in place. INSTALLATION OF COVER BOARDS FOR REROOFING APPLICATIONS WHERE A PORTION OF THE EXITING ROOFING SYSTEM REMAINS (RE-COVERING), RETITLE ARTICLE "INSTALLATION OF RECOVERY BOARD" AND REVISE WORDS "COVER BOARD" TO "RECOVERY BOARD" IN PARAGRAPHS AND SUBPARAGRAPHS BELOW. REVISE ASSOCIATED TEXT ACCORDINGLY. RETAIN FIRST PARAGRAPH BELOW IF COVER BOARDS WILL BE FIELD INSTALLED OVER ROOF INSULATION AND IMMEDIATELY BELOW ROOF MEMBRANE. Install cover boards over insulation with long joints in continuous straight lines with end joints staggered between rows. Offset joints of insulation below a minimum of 6 inches (150 mm) in each direction. Trim cover board neatly to fit around penetrations and projections, and to fit tight to intersecting sloping roof decks. At internal roof drains, conform to slope of [drain sump.][roof.][tapered insulation.] Trim cover board so that water flow is unrestricted. Cut and fit cover board tight to nailers, projections, and penetrations. RETAIN FIRST SUBPARAGRAPH BELOW WITH ADHERED INSULATION. Adhere cover board to substrate using adhesive according to FM Approvals' RoofNav assembly requirements and FM Global Property Loss Prevention Data Sheet1-29 for specified Windstorm Resistance Classification, as follows: RETAIN FIRST SUBPARAGRAPH BELOW FOR HOT-ASPHALT APPLICATION. USUALLY DELETE FOR SUSTAINABLE PROJECTS. VERIFY WITH APPLICABLE SUSTAINABLE PROGRAM. USUALLY NOT A GOOD IDEA AS TPO & ASPHALT ARE NOT COMPATIBLE. Set cover board in a solid mopping of hot roofing asphalt, applied within plus or minus 25 degF (14 degC) of equiviscous temperature. RETAIN ONE OF TWO SUBPARAGRAPHS BELOW AND DELETE LAST SUBPARAGRAPH ABOVE FOR LOW-RISE URETHANE ADHESIVE APPLICATION. COORDINATE WITH PRODUCT SELECTED. Set cover board in ribbons of bead-applied insulation adhesive, firmly pressing and maintaining insulation in place. Set cover board in a uniform coverage of full-spread insulation adhesive, firmly pressing and maintaining insulation in place. RETAIN PARAGRAPH BELOW IF SLIP SHEET IS REQUIRED OVER COVER BOARD. Install slip sheet over cover board and beneath roof membrane. DELETE THE ARTICLE BELOW IF DOING A SELF-ADHERING OR MECHANICALLY FASTENED ROOF. ADHERED ROOFING INSTALLATION Adhere roof membrane over area to receive roofing according to roofing system manufacturer's written instructions. Unroll roof membrane and allow to relax before installing. RETAIN FIRST PARAGRAPH BELOW IF APPLICABLE. Start installation of roofing in presence of roofing system manufacturer's technical personnel[and Owner's testing and inspection agency]. Accurately align roof membrane, and maintain uniform side and end laps of minimum dimensions required by manufacturer. Stagger end laps 36 inches minimum. Bonding Adhesive: Apply to substrate and underside of roof membrane at rate required by manufacturer, and allow to partially dry before installing roof membrane. Do not apply to splice area of roof membrane. RETAIN "FABRIC-BACKED ROOF MEMBRANE ADHESIVE" PARAGRAPH BELOW FOR ADHERING FABRIC-BACKED ROOF MEMBRANES TO SUBSTRATE. Fabric-Backed Roof Membrane Adhesive: Apply to substrate at rate required by manufacturer, and install fabric-backed roof membrane. In addition to adhering, mechanically fasten roof membrane securely at terminations, penetrations, and perimeter of roofing through solid wood blocking. Apply roof membrane with side laps shingled with slope of roof deck. Seams: Clean seam areas, overlap roof membrane, and hot-air weld side and end laps of roof membrane and sheet flashings, to ensure a watertight seam installation. Test lap edges with probe to verify seam weld continuity. Apply lap sealant to seal cut edges of roof membrane and sheet flashings. REVISE NUMBER OF SEAM TESTS IN FIRST SUBPARAGRAPH BELOW TO SUIT PROJECT. Verify field strength of seams a minimum of twice daily, and repair seam sample areas. Repair tears, voids, and lapped seams in roof membrane that do not comply with requirements. Spread sealant bed over deck-drain flange at roof drains, and securely seal roof membrane in place with clamping ring. DELETE THE ARTICLE BELOW IF DOING AN ADHERED OR MECHANICALLY FASTENED ROOF. SELF-ADHERING ROOFING INSTALLATION Adhere roof membrane over area to receive roofing according to roofing system manufacturer's written instructions. Unroll roof membrane and allow to relax before installing. RETAIN FIRST PARAGRAPH BELOW IF APPLICABLE. Start installation of roofing in presence of roofing system manufacturer's technical personnel[and Owner's testing and inspection agency]. Accurately align roof membrane, and maintain uniform side and end laps of minimum dimensions required by manufacturer. Stagger end laps 36 inches minimum. Fold roof membrane to expose half of sheet width's bottom surface. Remove release liner on exposed half of sheet. Roll roof membrane over substrate while avoiding wrinkles. Fold remaining half of roof membrane to expose bottom surface. Remove release liner on exposed half of sheet. Roll roof membrane over substrate while avoiding wrinkles. In addition to adhering, mechanically fasten roof membrane securely at terminations, penetrations, and perimeter of roofing to solid wood blocking. Apply roof membrane with side laps shingled with slope of roof deck. Seams: Clean seam areas, overlap roof membrane, and hot-air weld side and end laps of roof membrane and sheet flashings, to ensure a watertight seam installation. Test lap edges with probe to verify seam weld continuity. Apply lap sealant to seal cut edges of roof membrane and flashing sheet. REVISE NUMBER OF SEAM TESTS IN FIRST SUBPARAGRAPH BELOW TO SUIT PROJECT. Verify field strength of seams a minimum of twice daily, and repair seam sample areas. Repair tears, voids, and lapped seams in roof membrane that do not comply with requirements. Spread sealant bed over deck-drain flange at roof drains, and securely seal roof membrane in place with clamping ring. DELETE THE ARTICLE BELOW IF DOING AN ADHERED OR SELF-ADHERING ROOF. MECHANICALLY FASTENED ROOFING INSTALLATION NRCA DOES NOT RECOMMEND A SEAM-FASTENED MECHANICALLY FASTENED ROOF SYSTEMS OVER LIGHTWEIGHT INSULATING CONCRETE ROOF DECKS. Mechanically fasten roof membrane over area to receive roofing according to roofing system manufacturer's written instructions. Unroll roof membrane and allow to relax before installing. RETAIN FIRST PARAGRAPH BELOW FOR INSTALLATIONS WHERE STEEL ROOF DECK IS THE STRUCTURAL SUBSTRATE AND WIDE ROOF MEMBRANE SHEETS MAY BE USED. CONSIDER LIMITING ROOF MEMBRANE SHEET WIDTH AFTER REVIEWING MANUFACTURERS' CRITERIA USED TO ESTABLISH FASTENER PATTERNS. SEE THE EVALUATIONS. For in-splice attachment, install roof membrane with long dimension perpendicular to steel roof deck flutes. RETAIN FIRST PARAGRAPH BELOW IF APPLICABLE. Start installation of roofing in presence of roofing system manufacturer's technical personnel[and Owners testing and inspection agency]. Accurately align roof membrane, and maintain uniform side and end laps of minimum dimensions required by manufacturer. Stagger end laps. Mechanically fasten or adhere roof membrane securely at terminations, penetrations, and perimeter of roofing to solid wood blocking. Apply roof membrane with side laps shingled with slope of roof deck. COORDINATE INSTALLATION METHOD WITH MANUFACTURER AND REVISE IF REQUIRED. "IN-SEAM ATTACHMENT" PARAGRAPH BELOW FOLLOWS SPRI CLASSIFICATION FOR CONCEALED FASTENINGS WITHIN SEAMS OF A SHEET. In-Seam Attachment: Secure one edge of TPO sheet using fastening plates centered within seam, and mechanically fasten TPO sheet to roof deck. Seams: Clean seam areas, overlap roof membrane, and hot-air weld side and end laps of roof membrane and sheet flashings to ensure a watertight seam installation. Test lap edges with probe to verify seam weld continuity. Apply lap sealant to seal cut edges of roof membrane and flashing sheet. REVISE NUMBER OF SEAM TESTS IN FIRST SUBPARAGRAPH BELOW TO SUIT PROJECT. Verify field strength of seams a minimum of twice daily, and repair seam sample areas. Repair tears, voids, and lapped seams in roof membrane that do not comply with requirements. Spread sealant bed over deck-drain flange at roof drains, and securely seal roof membrane in place with clamping ring. BASE FLASHING INSTALLATION Install sheet flashings and preformed flashing accessories, and adhere to substrates according to roofing system manufacturer's written instructions. Apply bonding adhesive to substrate and underside of sheet flashing at required rate, and allow to partially dry. Do not apply to seam area of flashing. Flash penetrations and field-formed inside and outside corners with cured or uncured sheet flashing. Clean seam areas, overlap, and firmly roll sheet flashings into the adhesive. Hot-air weld side and end laps to ensure a watertight seam installation. Terminate and seal top of sheet flashings and mechanically anchor to substrate through termination bars. WALKWAY INSTALLATION RETAIN THIS ARTICLE IF WALKWAYS ARE REQUIRED. Flexible Walkways: Install flexible walkways at the following locations: Retain one or more subparagraphs below. Revise to suit Project. Perimeter of each rooftop unit. Between each rooftop unit location, creating a continuous path connecting rooftop unit locations. Between each roof hatch and each rooftop unit location or path connecting rooftop unit locations. Top and bottom of each roof access ladder. Between each roof access ladder and each rooftop unit location or path connecting rooftop unit locations. Locations indicated on Drawings. As required by roof membrane manufacturer's warranty requirements. Provide 6-inch (76-mm) clearance between adjoining pads. Heat weld to substrate or adhere walkway products to substrate with compatible adhesive according to roofing system manufacturer's written instructions. Roof-Paver Walkways: Install walkway roof pavers according to manufacturer's written instructions. Install roof paver walkways at the following locations: RETAIN ONE OR MORE SUBPARAGRAPHS BELOW. REVISE TO SUIT PROJECT. Perimeter of each rooftop unit. Between each rooftop unit location, creating a continuous path connecting rooftop unit locations. Between each roof hatch and each rooftop unit location or path connecting rooftop unit locations. Top and bottom of each roof access ladder. Between each roof access ladder and each rooftop unit location or path connecting rooftop unit locations. Locations indicated on Drawings. As required by roof membrane manufacturer's warranty requirements. Provide 3 inches (75 mm) of space between adjacent roof pavers. FIELD QUALITY CONTROL RETAIN "TESTING AGENCY" PARAGRAPH BELOW TO IDENTIFY WHO SHALL PERFORM TESTS AND INSPECTIONS. IF RETAINING SECOND OPTION IN "TESTING AGENCY" PARAGRAPH, RETAIN "FIELD QUALITY-CONTROL REPORTS" PARAGRAPH IN "INFORMATIONAL SUBMITTALS" ARTICLE. Testing Agency: [Owner will engage] [Engage] a qualified testing agency to perform tests and to inspect substrate conditions, surface preparation, roof membrane application, sheet flashings, protection, and drainage components, and to furnish reports to Architect. IF RETAINING SECOND OPTION IN FIRST PARAGRAPH BELOW, RETAIN "FIELD QUALITY-CONTROL REPORTS" PARAGRAPH IN "INFORMATIONAL SUBMITTALS" ARTICLE. [Owner will engage a qualified testing agency to perform] [Perform] the following tests: RETAIN ONE OR MORE OF SIX TESTS BELOW. RETAIN "FLOOD TESTING" SUBPARAGRAPH BELOW IF FLOOD TESTING OF ROOFING SYSTEM IS REQUIRED. LOCALIZE TESTING TO FLASHINGS OR PENETRATIONS IF PREFERRED. LIMIT WATER DEPTH TO NOT MORE THAN LOAD CAPACITY OF DECK AS DETERMINED BY STRUCTURAL ENGINEER. ASTMD5957 OFFERS GUIDANCE ON FLOOD TESTING WATERPROOF MEMBRANES, RATHER THAN ROOFING SYSTEMS, ON HORIZONTAL SURFACES NOT EXCEEDING 1/4 INCH PER FOOT (1:48). IF RETAINING, REVIEW PROCEDURES IN ASTMD5957 FOR APPLICABILITY. NOTE THAT NRCA DOES NOT RECOMMEND FLOOD TESTING. FLOOD TESTING NOT RECOMMENDED FOR THE FOLLOWING REASONS: WEIGHT IMPOSED ON A STRUCTURE BY ADDING AN INCH OR MORE OF WATER OVER IT. THIS MAY RESULT IN AN UN-SAFE CONDITION ESPECIALLY IF THE DRAINS ARE LEFT PLUGGED OVERNIGHT AND A STORM COMES THROUGH. IF THE TEST IS RUN ON A ROOF OVER A CONCRETE DECK, AN IMMEDIATE LEAK WILL NOT BE EVIDENT AND YOU RISK SATURATING THE ROOF INSULATION BELOW. LEAKS ARE LIKELY AS YOURE ADDING THE HEAD PRESSURE OF WATER OVER THE TOP THAT IT WILL NEVER SEE IN REALITY AGAIN DAMAGING THE INSULATION BELOW IF THE LEAK IS NOT DETECTED. Flood Testing: Flood test each roof area for leaks, according to recommendations in ASTMD5957, after completing roofing and flashing but before overlying construction is placed. Install temporary containment assemblies, plug or dam drains, and flood with potable water. Perform tests before overlying construction is placed. Flood to an average depth of [2-1/2 inches (65 mm)] with a minimum depth of [1 inch (25 mm)] and not exceeding a depth of [4 inches (100 mm)] . Maintain 2 inches (50 mm) of clearance from top of base flashing. ASTMD5957 SETS 24 HOURS AS MINIMUM AND 72 HOURS AS MAXIMUM DURATION FOR FLOOD TESTING OF WATERPROOFING SYSTEMS. Flood each area for [24] [48] [72] hours. After flood testing, repair leaks, repeat flood tests, and make further repairs until roofing and flashing installations are watertight. Cost of retesting is Contractor's responsibility. Testing agency shall prepare survey report indicating locations of initial leaks, if any, and final survey report. TEST IN "INFRARED THERMOGRAPHY" SUBPARAGRAPH BELOW IDENTIFIES TRAPPED MOISTURE WITHIN ROOF ASSEMBLY. AS SUCH, IT MAY NOT BE SUITED FOR NEW CONSTRUCTION. SEE THE EVALUATIONS. RETAIN "ELECTRICAL CAPACITANCE/IMPEDANCE TESTING" OR "NUCLEAR HYDROGEN DETECTION TESTING" SUBPARAGRAPH WITH INFRARED THERMOGRAPHY. IF YOU MUST HAVE ADDITIONAL TESTING IT IS RECOMMENDED THAT YOU USE INFRARED SCANNING OF THE ROOF PRIOR TO SURFACING (BEFORE INSTALLING PAVERS). THIS WILL PICK UP WET SPOTS IN THE ROOF WHERE PUNCTURES MAY HAVE OCCURRED OR WHERE YOUVE HAD LEAKS FOR WHATEVER REASON. THIS CAN BE DONE FOR A FEW PENNIES PER SF AND IS OFFERED BY A VARIETY OF INDEPENDENT CONSULTANTS. Infrared Thermography: Testing agency shall survey entire roof area using infrared color thermography according to ASTMC1153. Perform tests before overlying construction is placed. After infrared scan, locate specific areas of leaks by electrical capacitance/impedance testing or nuclear hydrogen detection tests. After testing, repair leaks, repeat tests, and make further repairs until roofing and flashing installations are watertight. Cost of retesting is Contractor's responsibility. Testing agency shall prepare survey report of initial scan indicating locations of entrapped moisture, if any. ELECTRONIC VECTOR MAPPING (EFVM) IS NOT RECOMMENDED EITHER. IT IS VERY EXPENSIVE AND NOT VERY PRACTICAL. IF YOU MUST HAVE ADDITIONAL TESTING IT IS RECOMMENDED THAT YOU USE INFRARED SCANNING OF THE ROOF PRIOR TO SURFACING (BEFORE INSTALLING PAVERS OR BALLAST). THIS WILL PICK UP WET SPOTS IN THE ROOF WHERE PUNCTURES MAY HAVE OCCURRED OR WHERE YOUVE HAD LEAKS FOR WHATEVER REASON. THIS CAN BE DONE FOR A FEW PENNIES PER SF AND IS OFFERED BY A VARIETY OF INDEPENDENT CONSULTANTS. TEST IN "ELECTRICAL CAPACITANCE/IMPEDANCE TESTING" SUBPARAGRAPH BELOW IDENTIFIES TRAPPED MOISTURE WITHIN ROOF ASSEMBLY. AS SUCH, IT MAY NOT BE SUITED FOR NEW CONSTRUCTION. SEE THE EVALUATIONS. Electrical Capacitance/Impedance Testing: Testing agency shall survey entire roof area for entrapped water within roof assembly according to ASTMD7954/D7954M. Perform tests before overlying construction is placed. After testing, repair leaks, repeat tests, and make further repairs until roofing and flashing installations are watertight. Cost of retesting is Contractor's responsibility. Testing agency shall prepare survey report indicating locations of entrapped moisture, if any. TEST IN "NUCLEAR HYDROGEN DETECTION TESTING" SUBPARAGRAPH BELOW IDENTIFIES TRAPPED MOISTURE WITHIN ROOF ASSEMBLY. AS SUCH, IT MAY NOT BE SUITED FOR NEW CONSTRUCTION. SEE THE EVALUATIONS. Nuclear Hydrogen Detection Testing: Testing agency shall survey entire roof area for entrapped water within roof assembly according to SPRI/RCINT-1. Perform tests before overlying construction is placed. After testing, repair leaks, repeat tests, and make further repairs until roofing and flashing installations are watertight. Cost of retesting is Contractor's responsibility. Testing agency shall prepare survey report indicating locations of entrapped moisture, if any. RETAIN "LOW-VOLTAGE ELECTRICAL CONDUCTANCE TESTING" SUBPARAGRAPH BELOW IF REQUIRED. FIRST OPTION IS FOR EFVM, WHICH IS THE MOST COMMON SYSTEM. SECOND OPTION IS FOR PLATFORM-TYPE SYSTEM. BOTH OPTIONS IDENTIFY SPECIFIC LEAK LOCATIONS RATHER THAN THE PRESENCE OF ENTRAPPED MOISTURE WITHIN THE ROOF ASSEMBLY. SEE THE EVALUATIONS FOR LIMITATIONS. Low-Voltage Electrical Conductance Testing: Testing agency shall survey entire roof area and flashings to locate discontinuity in the roof membrane using [an exposed metal electrical loop to create an electrical field tested with handheld probes] [or] [a scanning platform with integral perimeter electrical loops creating a complete electrical field]. Perform tests before overlying construction is placed. After testing, repair areas of discontinuities, repeat tests, and make further repairs until roofing and flashing installations are contiguous. Cost of retesting is Contractor's responsibility. Testing agency shall prepare survey report indicating locations of initial discontinuities, if any. RETAIN "HIGH-VOLTAGE SPARK TESTING" SUBPARAGRAPH BELOW IF REQUIRED. THIS METHOD DOES NOT USE WATER, CAN BE USED ON VERTICAL SURFACES, AND IDENTIFIES SPECIFIC LEAK LOCATIONS RATHER THAN THE PRESENCE OF ENTRAPPED MOISTURE WITHIN THE ROOF ASSEMBLY. SEE THE EVALUATIONS FOR LIMITATIONS. High-Voltage Spark Testing: Testing agency shall survey entire [roof area,] [flashings,] [and] [parapet walls] to locate discontinuity in the roof membrane using an electrically charged metal "broom head." Perform tests before overlying construction is placed. After testing, repair areas of discontinuities, repeat tests, and make further repairs until roofing and flashing installations are contiguous. Cost of retesting is Contractor's responsibility. Testing agency shall prepare survey report indicating locations of initial discontinuities, if any. A ROOF INSPECTION IS REQUIRED BY MANUFACTURER BEFORE WARRANTY ISSUE. REVISE SCOPE OF INSPECTION AND SOURCE OF REPORT TO A QUALIFIED ROOFING CONSULTANT OR AN INDEPENDENT TESTING AGENCY AND INSPECTION IF PREFERRED. Final Roof Inspection: Arrange for roofing system manufacturer's technical personnel to inspect roofing installation on completion, in presence of Architect, and to prepare inspection report. Repair or remove and replace components of roofing system where inspections indicate that they do not comply with specified requirements. Additional testing and inspecting, at Contractor's expense, will be performed to determine if replaced or additional work complies with specified requirements. PROTECTING AND CLEANING Protect roofing system from damage and wear during remainder of construction period. When remaining construction does not affect or endanger roofing system, inspect roofing system for deterioration and damage, describing its nature and extent in a written report, with copies to Architect and Owner. Correct deficiencies in or remove roofing system that does not comply with requirements, repair substrates, and repair or reinstall roofing system to a condition free of damage and deterioration at time of Substantial Completion and according to warranty requirements. RETAIN PARAGRAPH BELOW IF USING FLUID-APPLIED BONDING MATERIALS. Clean overspray and spillage from adjacent construction using cleaning agents and procedures recommended by manufacturer of affected construction. ROOFING INSTALLER'S WARRANTY RETAIN THIS WARRANTY OR INCLUDE ANOTHER ROOFING INSTALLER'S WARRANTY FORM IF REQUIRED. COORDINATE WITH "WARRANTY" ARTICLE. ANOTHER SAMPLE LAYOUT OF THIS WARRANTY IS INCLUDED IN THE EVALUATIONS. WHEREAS of , herein called the "Roofing Installer," has performed roofing and associated work ("work") on the following project: Owner: . Address: . Building Name/Type: . Address: . Area of Work: . Acceptance Date: . Warranty Period: . Expiration Date: . AND WHEREAS Roofing Installer has contracted (either directly with Owner or indirectly as a subcontractor) to warrant said work against leaks and faulty or defective materials and workmanship for designated Warranty Period, NOW THEREFORE Roofing Installer hereby warrants, subject to terms and conditions herein set forth, that during Warranty Period Roofing Installer will, at Roofing Installer's own cost and expense, make or cause to be made such repairs to or replacements of said work as are necessary to correct faulty and defective work and as are necessary to maintain said work in a watertight condition. This Warranty is made subject to the following terms and conditions: Specifically excluded from this Warranty are damages to work and other parts of the building, and to building contents, caused by: lightning; ALWAYS INSERT A WIND SPEED. RECOMMEND 72 MPH. MOST MANUFACTURERS WONT WARRANT ANYTHING OVER 72 MPH. THIS IS BASED ON THE BEAUFORT WIND SCALE WHICH CLASSIFIES ANYTHING OVER 72 MPH AS A HURRICANE. Peak gust wind speed exceeding 72 mph (32.2 m/sec); fire; failure of roofing system substrate, including cracking, settlement, excessive deflection, deterioration, and decomposition; faulty construction of parapet walls, copings, chimneys, skylights, vents, equipment supports, and other edge conditions and penetrations of the work; vapor condensation on bottom of roofing; and activity on roofing by others, including construction contractors, maintenance personnel, other persons, and animals, whether authorized or unauthorized by Owner. When work has been damaged by any of foregoing causes, Warranty shall be null and void until such damage has been repaired by Roofing Installer and until cost and expense thereof have been paid by Owner or by another responsible party so designated. Roofing Installer is responsible for damage to work covered by this Warranty but is not liable for consequential damages to building or building contents resulting from leaks or faults or defects of work. During Warranty Period, if Owner allows alteration of work by anyone other than Roofing Installer, including cutting, patching, and maintenance in connection with penetrations, attachment of other work, and positioning of anything on roof, this Warranty shall become null and void on date of said alterations, but only to the extent said alterations affect work covered by this Warranty. If Owner engages Roofing Installer to perform said alterations, Warranty shall not become null and void unless Roofing Installer, before starting said work, shall have notified Owner in writing, showing reasonable cause for claim, that said alterations would likely damage or deteriorate work, thereby reasonably justifying a limitation or termination of this Warranty. During Warranty Period, if original use of roof is changed and it becomes used for, but was not originally specified for, a promenade, work deck, spray-cooled surface, flooded basin, or other use or service more severe than originally specified, this Warranty shall become null and void on date of said change, but only to the extent said change affects work covered by this Warranty. Owner shall promptly notify Roofing Installer of observed, known, or suspected leaks, defects, or deterioration and shall afford reasonable opportunity for Roofing Installer to inspect work and to examine evidence of such leaks, defects, or deterioration. This Warranty is recognized to be the only warranty of Roofing Installer on said work and shall not operate to restrict or cut off Owner from other remedies and resources lawfully available to Owner in cases of roofing failure. Specifically, this Warranty shall not operate to relieve Roofing Installer of responsibility for performance of original work according to requirements of the Contract Documents, regardless of whether Contract was a contract directly with Owner or a subcontract with Owner's General Contractor. IN WITNESS THEREOF, this instrument has been duly executed this ___________ day of ___________________, ________________. Authorized Signature: _______________________________________. Name: ______________________________________. Title: _______________________________________. END OF SECTION 07 54 23 FOR MDACC USE ONLY. 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")))+Z,,--Q./177g<H=jjppzzB C CCCCDDD"D%D)DRR jyz^or L3{l<P[ :!:!! ")+Z,,--Q./5+9 ;I=>ɶH<TopicText id="180"><RatingSystems><System id="2"/></RatingSystems> <Content><CMT>"Product Data" Subparagraph below applies to LEED 2009 NC, CI, and CS; LEEDv4; IgCC; ASHRAE189.1; and Green Globes. Coordinate with requirements for adhesives and sealants.</CMT><PR2>Product Data: For adhesives and sealants, indicating VOC content.</PR2></Content> </TopicText><TopicText id="181"><RatingSystems><System id="2"/></RatingSystems> <Content><CMT>"Laboratory Test Reports" Subparagraph below applies to LEED 2009 for Schools, LEEDv4, IgCC, ASHRAE189.1, and Green Globes. Coordinate with requirements for adhesives and sealants.</CMT><PR2>Laboratory Test Reports: For adhesives and sealants, indicating compliance with requirements for low-emitting materials.</PR2></Content> </TopicText><TopicText id="180"><RatingSystems><System id="2"/></RatingSystems> <Content><CMT>"Product Data" Subparagraph below applies to LEED 2009 NC, CI, and CS; LEEDv4; IgCC; ASHRAE189.1; and Green Globes. Coordinate with requirements for adhesives and sealants.</CMT><PR2>Product Data: For adhesives and sealants, indicating VOC content.</PR2></Content> </TopicText><TopicText id="181"><RatingSystems><System id="2"/></RatingSystems> <Content><CMT>"Laboratory Test Reports" Subparagraph below applies to LEED 2009 for Schools, LEEDv4, IgCC, ASHRAE189.1, and Green Globes. Coordinate with requirements for adhesives and sealants.</CMT><PR2>Laboratory Test Reports: For adhesives and sealants, indicating compliance with requirements for low-emitting materials.</PR2></Content> </TopicText></SustainabilityTopic>15015012,<SustainabilityTopic id="150"><TopicText id="585"><RatingSystems><System id="2"/></RatingSystems> <Content><CMT>Subparagraph below applies to LEED 2009 NC, CI, and CS; LEEDv4; IgCC; ASHRAE189.1; and Green Globes.</CMT><PR2>Adhesives and sealants shall comply with the following limits for VOC content:</PR2><PR3>Plastic Foam Adhesives: 50g/L.</PR3><PR3>Gypsum Board and Panel Adhesives: 50g/L.</PR3><PR3>Multipurpose Construction Adhesives: 70g/L.</PR3><PR3>Fiberglass Adhesives: 80g/L.</PR3><PR3>Contact Adhesives: 80g/L.</PR3><PR3>PVC Welding Compounds: 510g/L.</PR3><PR3>Other Adhesives: 250g/L.</PR3><PR3>Single-Ply Roof Membrane Sealants: 450g/L.</PR3><PR3>Nonmembrane Roof Sealants: 300g/L.</PR3><PR3>Sealant Primers for Nonporous Substrates: 250g/L.</PR3><PR3>Sealant Primers for Porous Substrates: 775g/L.</PR3></Content> </TopicText></SustainabilityTopic>15015022,<SustainabilityTopic id="150"><TopicText id="585"><RatingSystems><System id="2"/></RatingSystems> <Content><CMT>Subparagraph below applies to LEED 2009 NC, CI, and CS; LEEDv4; IgCC; ASHRAE189.1; and Green Globes.</CMT><PR2>Adhesives and sealants shall comply with the following limits for VOC content:</PR2><PR3>Plastic Foam Adhesives: 50g/L.</PR3><PR3>Gypsum Board and Panel Adhesives: 50g/L.</PR3><PR3>Multipurpose Construction Adhesives: 70g/L.</PR3><PR3>Fiberglass Adhesives: 80g/L.</PR3><PR3>Contact Adhesives: 80g/L.</PR3><PR3>PVC Welding Compounds: 510g/L.</PR3><PR3>Other Adhesives: 250g/L.</PR3><PR3>Single-Ply Roof Membrane Sealants: 450g/L.</PR3><PR3>Nonmembrane Roof Sealants: 300g/L.</PR3><PR3>Sealant Primers for Nonporous Substrates: 250g/L.</PR3><PR3>Sealant Primers for Porous Substrates: 775g/L.</PR3></Content> </TopicText></SustainabilityTopic>151^userSustainabilityTopic_151_1^2,^<SustainabilityTopic id="151"><TopicText id="587"><RatingSystems><System id="2"/></RatingSystems> <Content><CMT>Subparagraph below applies to LEEDv4.</CMT><PR2>Adhesives and sealants shall comply with the testing and product requirements of the California Department of Public Health's "Standard Method for the Testing and Evaluation of Volatile Organic Chemical Emissions from Indoor Sources Using Environmental Chambers."</PR2></Content> </TopicText></SustainabilityTopic>151^userSustainabilityTopic_151_2^2,^<SustainabilityTopic id="151"><TopicText id="587"><RatingSystems><System id="2"/></RatingSystems> <Content><CMT>Subparagraph below applies to LEEDv4.</CMT><PR2>Adhesives and sealants shall comply with the testing and product requirements of the California Department of Public Health's "Standard Method for the Testing and Evaluation of Volatile Organic Chemical Emissions from Indoor Sources Using Environmental Chambers."</PR2></Content> </TopicText></SustainabilityTopic>15815812,<SustainabilityTopic id="158"><TopicText id="615"><RatingSystems><System id="2"/></RatingSystems> <Content><CMT>Retain "Recycled Content" Subparagraph below to specify recycled content if required. An alternative method of requiring recycled content is to retain requirement in Project's Division01 sustainable design requirements Section that gives Contractor the option and responsibility to determine how recycled content requirements will be met.</CMT><PR2>Recycled Content: Postconsumer recycled content plus one-half of preconsumer recycled content not less than &lt;Insert value&gt; percent.</PR2></Content> </TopicText></SustainabilityTopic>272712,<SustainabilityTopic id="27"><TopicText id="229"><RatingSystems><System id="2"/></RatingSystems> <Content><CMT>"Solar Reflectance Index (SRI)" Paragraph below applies to LEEDv4. First of each pair of options is minimum for roofs with slopes of 2:12 or less; second of each pair of options is for roofs with slopes steeper than 2:12.</CMT><PR1>Solar Reflectance Index (SRI): Three-year-aged SRI not less than [64] [32] or initial SRI not less than [82] [39] when calculated according to ASTME1980, based on testing identical products by a qualified testing agency.</PR1></Content> </TopicText></SustainabilityTopic>330^userSustainabilityTopic_330_1^2,^<SustainabilityTopic id="330"><TopicText id="1017"><RatingSystems><System id="2"/></RatingSystems> <Content><CMT>Retain first three subparagraphs below to be eligible for LEEDv4 credit. See the Evaluations.</CMT><CMT>"Environmental Product Declaration" Subparagraph below applies to LEEDv4(all)MRCredit, "Building Product Disclosure and Optimization - Environmental Product Declarations." Confirm with manufacturer that EPDs are available for each product.</CMT><PR2>Environmental Product Declaration: For each product.</PR2><CMT>"Health Product Declaration" Subparagraph below applies to LEEDv4(all)MRCredit, "Building Product Disclosure and Optimization - Material Ingredients, Option 1 - Material Ingredient Reporting." Confirm with manufacturer that HPDs are available and meet requirements of the HPD Open Standard or approved USGBC program.</CMT><PR2>Health Product Declaration: For each product.</PR2><CMT>"Sourcing of Raw Materials" Subparagraph below applies to LEEDv4(all)MRCredit, "Building Project Disclosure and Optimization - Sourcing of Raw Materials, Option 1 - Raw Material Source and Extraction Reporting." Confirm with manufacturer that corporate sustainability reports are available, have been prepared within the last year or are applicable to the year of production, and are by an organization approved by the USGBC.</CMT><PR2>Sourcing of Raw Materials: Corporate sustainability report for each manufacturer.</PR2></Content> </TopicText></SustainabilityTopic>6^userSustainabilityTopic_6_1^2,^<SustainabilityTopic id="6"><TopicText id="167"><RatingSystems><System id="2"/></RatingSystems> <Content><CMT>"Product Test Reports" Subparagraph below applies to LEED 2009 NC, CI, and CS; LEEDv4; IgCC; ASHRAE189.1; and Green Globes. Coordinate with requirements for adhesives and sealants.</CMT><PR2>Product Test Reports: For roof materials, documentation indicating that roof materials comply with Solar Reflectance Index requirements.</PR2></Content> </TopicText></SustainabilityTopic>7712,<SustainabilityTopic id="7"><TopicText id="168"><RatingSystems><System id="2"/></RatingSystems> <Content><CMT>Retain "Product Data" Subparagraph below to require minimum recycled content for LEED 2009 MR Credit 2 - "Recycled Content."</CMT><PR2>Product Data: For recycled content, indicating postconsumer and preconsumer recycled content and cost.</PR2></Content> </TopicText></SustainabilityTopic>13296@ BBBB(D@UnknownG.[x Times New Roman5Symbol3. .Cx Arial7. 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