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System No. HW-D-0077 <br />1. Floor Assembly — The fire -rated fluted steel floor unit/concrete floor assembly shall be constructed of the materials and in the manner described <br />in the individual D700 or D900 Series Floor -Ceiling Design in the Fire Resistance Directory and shall include the following construction features: <br />A. Steel Floor and Form Units* - Max 3 in. (76 mm) deep galv steel fluted floor units. <br />B. Concrete — Min 2-1/2 in. (64 mm) thick reinforced concrete, as measured from the top plane of the floor units. <br />C. Spray -Applied Fire Resistive Materials — (Optional, Not Shown) — Prior to or after the installation of the ceiling runner and Fill, Void or <br />Cavity Materials (Item 3), the steel floor units may be sprayed with a min 5/16 in. (8 mm) thickness to a max 11/16 in. (17 mm) thickness of fire <br />resistive material. <br />GCP APPLIED TECHNOLOGIES INC — Type MK-6/HY <br />1A. Roof Assembly — (Not Shown) — As an alternate to the floor assembly, a fire rated fluted steel deck roof assembly may be used. The roof <br />assembly shall be constructed of the materials and in the manner described in the individual P900 Series Roof -Ceiling Design in the UL Fire <br />Resistance Directory. The hourly rating of the roof assembly shall be equal to or greater than the hourly rating of the wall assembly. The roof <br />assembly shall include the following construction features: <br />A. Steel Roof Deck — Max 3 in. (76 mm) deep galv steel fluted roof deck. <br />B. Roof Insulation — Min 2-1/4 in. (57 mm) thick poured insulating concrete, as measured from the top plane of the floor units. <br />1 B. Roof Assembly — As an alternate to Items 1 and 1A, a fire rated protected fluted steel deck roof assembly may be used. The roof assembly <br />shall be constructed of the materials and in the manner described in the individual P700 Series Roof -Ceiling Design in the UL Fire Resistance <br />Directory. The hourly rating of the roof assembly shall be equal to or greater than the hourly rating of the wall assembly. The roof assembly <br />shall include the following construction features: <br />A. Steel Roof Deck — Max 3 in. (76 mm) deep galv steel fluted roof deck. <br />B. Spray Applied Fire Resistive Materials* — (Not Shown) —Prior to or after the installation of the steel ceiling runners, Forming Material and <br />Fill, Void or Cavity Material (Items 2A, 3A, 3B), the roof assembly shall be sprayed with the type and thickness of fire resistive material <br />indicated in the individual P700 Series design. <br />GCP APPLIED TECHNOLOGIES INC — Type MK-6/HY <br />2. Wall Assembly — The 1 or 2 hr fire -rated gypsum board /steel stud wall assembly shall be constructed of the materials and in the manner <br />specified in the individual U400 or V400 Series Wall and Partition Design in the UL Fire Resistance Directory and shall include the following <br />construction features: <br />A. Steel Floor and Ceiling Runners — Floor and ceiling runners of wall assembly shall consist of min No. 25 gauge galv steel channels sized to <br />accommodate steel studs (Item 2B).Flange height of ceiling runner shall be min 1/4 in. (6 mm) greater than max extended joint width Ceiling <br />.runner installed perpendicular to direction of fluted steel deck and secured to valleys with steel masonry anchors, steel fasteners or welds <br />spaced 24 in. (610mm) OC before or after optional spray -applied fire resistive material is used. The use of welds to secure the ceiling runner <br />may only be used prior to the installation of the optional spray -applied material. <br />Al. Light Gauge Framing* -Slotted Ceiling Runner— As an alternate to the ceiling runner in Item 2A, slotted ceiling runner to consist of galv <br />steel channel with slotted flanges sized to accommodate steel studs (Item 2B). Slotted ceiling runner installed perpendicular to direction of <br />fluted steel deck and secured to valleys with steel masonry anchors, steel fasteners or welds spaced 24 in. (610mm) OC before or after <br />optional spray -applied fire resistive material is used. The use of welds to secure the ceiling runner may only be used prior to the installation of <br />the optional spray -applied material. <br />BRADY CONSTRUCTION INNOVATIONS INC, DBA SLIPTRACK SYSTEMS — SLP-TRK <br />CEMCO, LLC — CST <br />CLARKDIETRICH BUILDING SYSTEMS — Type SLT, SLT-H <br />MARINO/WARE, DIV OF WARE INDUSTRIES INC—Type SLT <br />METAL-LITE INC — The System <br />RAM SALES L L C — RAM Slotted Track <br />SCAFCO STEEL STUD MANUFACTURING CO <br />TELLING INDUSTRIES L L C— True -Action Deflection Track <br />Reproduced by HILT], Inc. Courtesy of <br />Underwriters Laboratories, Inc. <br />HIM Firestop Systems June 22, 2023 <br />2of3 <br />