A light fixture and junction box are supported by Unistrut framing with half-inch threaded rods attached to the structure. Spray fireproofing is applied to the overhead steel beam. Metal suspension system wires attach the linear wood ceiling system backer directly to the structure. All structure, ducts, and devices located above the linear wood ceiling are painted per finish specification PNT-13.
LIGHT FIXTURE FIRE PROTECTION UNISTRUT FRAMING W/ 1/2" THREADED RODS JUNCTION BOX ALIGN DIM PT METAL SUSPENSION SYSTEM, MSS-2; DIRECT ATTACH TO LINEAR WOOD CEILING SYSTEM WOOD BACKER SPRAY FIREPROOFING AT STEEL BEAM METAL SUSPENSION SYSTEM WIRE; ATTACH TO STRUCTURE LINEAR WOOD CEILING SYSTEM NOTE: PAINT STRUCTURE, DUCTS, AND DEVICES ABOVE LINEAR WOOD CEILING: PNT-13 4 " 4 " C L
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