215 SW EVERETT MALL WAY EVERETT POWER SPORTS 2018-01-02 MF Import

c Report No. NER•200 All butt joints of the floor or roof sheathing shall be located over framing members. 2. TII joists shall be installed in accordance with this report with a maximum spacing of 24 inches I610 mm) on center for floor-ceili;.g assemblies. When used in root -ceiling assemblies, the V joists are permitted to be spaced a maximum of 48 inches (1220 mm) on center. 3. Optional 3-1/2 inch 189 mm) thick glass fiber batt insulation is permitted to be installed when resilient channels are used. The insulation shall be placed t►e " t en the 'oist bolt flanges n 4. The ceiling membrane shag consist of two layers of SS inch 112.7 rmq thick Type X gypsum board applied to the joist bott0!-1 flange. The first layer of gypsum board 4tW; be attached with 1-5/8 inch (41.3 mm) long 4-?e S screws spaced 12 inches (305 mm) on P center. The second layer shall be installed with the & joints staggered from the first layer. The second layer ( shall be :¢;tend to the joists with 2 inch 151 mm) long Type S screws spaced 12 inches (305 mm) on center in the field and 8 inches (203 mm) on center at the butt joints. Type G screws, 1-1/2 inches (38 mm) long, shall be spaced 8 inches (203 mm) on center and 6 inches (152 mm) from each side of the butt pints of the second layer. The second layer shall be finished with • joint tape and compound. are ed to ed a::�_� the ceilr ttac , provide ley are spaced 16 inches (406 mm) on center 124 inches ' (61 O mm) on center, if joists are 16 inches (406 mm) on center] and fastened perpendicular to the joists with 1 inch (25.4 mm) long Type S screws. The first layer of gypsum board shall be fastened to the resilient channels with 1 inch (25.4 mm) long Type S screws spaced 12 inches (305 mm) on center. The second layer shall be installed with the joints staggered from the first layer and fastened with 1.518 inch (41.3 mm) long Type S screws, spaced 12 inches (305 mm) on center in the field and 8 inches (203 mm) on center at the butt joints. Type G screws, 1-1/2 inches (38 mm) big, shall be spaced 8 inches 1203 mm) on center and 6 inches (152 mm) from each side of the butt joints of the second layer. The second layer shall be finished with joint tape and compound. In roof -ceiling assemblies in which TJI joists are spaced more than 24 inches (610 mm) on center, the ceiling, including the resilient channels, shall be applied to stripping spaced 24 inches (610 mm) on center. The attachment of the ceiling membrane to the stripping members shall be similar to the attachment of the ceiling membrane to the ' JI joists. The stripping shall be a minimum of nominal 2 x 4 Construction -grade Douglas fir kxnbw for spans up to 5 feet 0524 mm) and shag be attached to the bottom flanges with minimum 10d rails. Wood stripping — Pape 3 of 18 materials of equivalent strentth and attachment are permitted when specifically approved by the building official. 3.5.3 Assembly C: 1. The flooring shall) consist of a single layer of 48/24 tongue -and -groove span rated sheathing (Exposure 1). When used as a roof -ceiling assembly, a single layer of square -edge span rated sheathing (Exposure 1). comPI*9 with the applicable code, is permitted to be used for roof sheathing. AN butt joims of the floor or roof sheathing must be located over framing members. TJI joists shall be installed in accordance with this report with a maximum spacing of 24 inches (610 mm) on center for floor -ceiling assemblies and a maximum spacing of 48 inches (1220 mm) on center for 1`00f-ceiling assemblies. When used in roof -ceiling assemblies in which the joist spacing exceeds 24 inches (610 mm) on center, framing perpendicular to the joists shall be installed at 24 inches IS 10 mm) on center to support the ceiling. 3. The ceiling membrane shall consist of a single layer of % inch (12.7 mm) thick Type X gypsum board attached to joists or to stripping spaced at a maximum of 24 inches (610 mm) on center. The gypsum board stall be fastened with 1-5/8 inch (41.3 mm) long Type S screws located 6 inches It52 mm) on center at end joints and 8 inches (203 mm) on center in the field. 4. An approved, exposed, fire rated suspended ceiling system shall be installed beneath the gypsum board ceiling. The minimum distance between the suspended ceiling and the gypsum board ceiling shall be 12 inches 1305 mm). The grid system shall be suspended with No. 12 SWG galvanized steel wire fastened to the TJI joists or to stripping with 3 inch 176 mm) long flathead hanger screws. Light fixture Protection shall consist of 6 inch (152 mm) wide pieces of ceilig grid panels that are 48 inches If 220 mm) long for the sides and 24 inches (610 mm) long for the ends, with a full grid panel placed on top. A galvanized steel duct is permitted for each 200 square feet (18.6 mz) of ceiling area, provided the duct has a maximum 12 inch 1305 mm) diameter steel diffuser opening without a damper and a maximum 6 inch x 12 inch (152 mm x 305 mm) retum-air opening. Ceiling panels shall be 5/8 inch 05.9 mm) thick USG FIRECODE AURATONE. Noncombustible batt insulation that is rated R-30 or less is permitted to be installed above the gypsum board in the cavity between the joists. 3.5.4 Assembly D: 1. The flooring shall consist of a single layer of 48/24 tongue -and -groove span rated sheathing (Exposure 1).