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TRBNrry ERD <br /> TABLE 21): STEEL or STRUCTURAL CONCRETE DECKS—NEW CONSTRUCTION,REROOF(Tear-Off)or RECOVER <br /> SYSTEM TYPE D-1: INSULATED,MECHANICALLY ATTACHED ROOF COVER <br /> Sy Insulation Layer(Note 14) Roof Cover MOP <br /> No. <br /> Roof Deck Fastener Spacing Lap Width Lap Spacing Seam Weld <br /> Type Attach Membrane Fasteners (psf) <br /> (inch) (inch) (inch) (inch) <br /> Min.22 ga.,type B,Grade Min.1.5-inch,one or Prelim. Mule-Hide TPO-c Mule-Hide EHD Fastener(steel only)or <br /> SC-79 33 steel or min.2,500 psi more layers,any HDP Fastener(concrete only)and Mule- 6 5.5 90.5 1.5 -67.5 <br /> structural concrete combination attach or TPO-c EXTRA Hide 2.4"Seam Plate <br /> Min.22 ga.,type B,Grade Min.1.5-inch,one or Prelim. Mule-Hide TPO-c Mule-Hide EHD Fastener(steel only)or <br /> SC-80 80 steel or min.2,500 psi more layers,any HDP Fastener(concrete only)and Mule- 9 5.5 54.5 1.5 -75.0 <br /> structural concrete combination attach orTPO-c EXTRA Hide 2.4"Seam Plate <br /> Min.22 ga.,type B,Grade Min.1.5-inch,one or Prelim. Mule-Hide TPO-c Mule-Hide EHD Fastener(steel only)or <br /> SC-81 33 steel or min.2,500 psi more layers,any HDP Fastener(concrete only)and Mule- 6 5.5 42.5 1.5 -82.5 <br /> structural concrete combination attach or TPO-c EXTRA Hide 2.4"Seam Plate <br /> Min.22 ga.,type B,Grade Min.1.5-inch,one or Prelim. Mule-Hide TPO-c Mule-Hide EHD Fastener(steel only)or <br /> SC-82 80 steel or min.2,500 psi more layers,any HDP Fastener(concrete only)and Mule- 6 5.5 54.5 1.5 -90.0 <br /> structural concrete combination attach or TPO-c EXTRA Hide 2.4"Seam Plate <br /> one or5-inch 1. , <br /> Min.22 ga.,type B,Grade Min. Prelim. Mule-Hide TPO-c Mule-Hide EHD Fastener and Mule-Hide <br /> SC-83 80 steel more layers,any attach or TPO-c EXTRA 2.4"Seam Plate 6 5.5 42.5 1.5 -112.5 <br /> combination <br /> Exterior Research and Design,I.I.C.d/b/a Trinity I ERD Evaluation Report M15060.06.09-R5 for FL12772-RS <br /> Certificate of Authorization#9503 CH EDITION(2017)FBC NON-HVHZ EVALUATION Revision 5:09/11/2017 <br /> Prepared by: Robert Nieminen,PE-59166 Mule-Hide TPO-c Single Ply Roof Systems;(608)365-3111 Appendix 1,Page 15 of 27 <br />