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Membrane Type: Single Ply, Thermoplastic, TPO <br /> Deck Type 71 Recover, Insulated, <br /> Deck Description Steel/Concrete /Lightweight Concrete/ Cementitious Wood Fiber /Gypsum <br /> System Type D(1): Membrane attached over preliminary fastened insulation <br /> All General and System Limitations apply. <br /> Insulation for Base or Top Fastener Density ft Fastener Type <br /> Layer <br /> ACFoam 1I, ENRGY 3 (flat or tapered) <br /> Minimum: 1.3" thick N/A N/A <br /> ACFoam Composite, ENRGY 3 Plus (flat or tapered), Multi -Max FA, Thermaroof Composite <br /> Minimum: 1.5" thick N/A N/A <br /> High Density Fiberboard <br /> Minimum: 1 /2" thick N/A N/A <br /> Note: All insulation shall have preliminary attachment prior to installation of the roofing <br /> membrane at a minimum application of two fasteners per board for insulation boards having no <br /> dimension greater than 4 ft, and four fasteners for any insulation having no dimension greater <br /> than 8 ft. <br /> Membrane: 3M TPO attached to deck as follows: <br /> Fastening #1: Minimum Grade 33 Steel Deck Only: JM 2" Anchor Discs with All Purpose <br /> Fasteners, spaced at max 6 in o.c. within the minimum 4.5 in (I 14 mm) wide <br /> laps, which are spaced at max 70.5 in (1791 mm) o.c. and sealed with a minimum <br /> 1.5 in (38 mm) heat weld. <br /> Maximum Design: -45 psf. <br /> Fastening #2: Minimum Grade 80 Steel Deck only: SFS Intec Extra Load Fastener screws <br /> spaced at max 12 in (305 mm) o.c. through GenFlex Anchor Bars, which are <br /> placed within the minimum 4.5 in (114 mm) wide laps, which are spaced at max <br /> 70 in (1778 mm) o.c. and sealed with a min 1.5 in wide heat weld placed on both <br /> sides of the anchor bar. <br /> Maximum Design Pressure: -45 psf. <br /> Fastening #3: Minimum Grade 80 Steel Deck only: OMG XHD Barbed Seam Plates with <br /> XHD Screws spaced at 12 in. (305 mm) o.c. within the minimum 4.5 in (114 mm) <br /> wide laps, which are spaced at 70 in. (1778 mm) o.c. and sealed with a minimum <br /> 1.5 in (38 mm) heat weld. <br /> Maximum Design Pressure: - 45psf <br /> Fastening #4: Minimum Grade 80 Steel Deck Only: OMG #15 Large Head Roofgrip, OMG <br /> XHD screw or JM High Load Fasteners with OMG XHD Barbed Seam Plates <br /> spaced at maximum 12 in. (352 mm) o.c. within the minimum 6 in (150 mm) <br /> wide laps, which are spaced at maximum 90 in (2285 mm) o.c. and sealed with a <br /> minimum 1.75 in (45 mm) heat weld placed on the outside edge of the lap. <br /> Maximum Design Pressure: -45 psf <br /> NOA No.: 07- 0517.06 <br /> _ � Expiration Date: 07/17/12 <br /> Approval Date: 07/12/07 <br /> 4 Page 20 of 30 <br />