Galvanized round hollow structural section rungs at 300mm on center span between 76 by 10 galvanized flat bar ladder stringers. Galvanized wall supports are welded to structural steel posts within the wall assembly as required by the specialty engineer. Waterproofing membranes including self-adhered membrane and polymethyl methacrylate extend 100mm onto the steel penetration complete with leading edge sealant. Exterior gypsum board penetrations are sealed around the assembly.
GL 160 586 GALVANIZED WALL SUPPORTS WELDED TO HSS POST IN WALL AS REQ'D BY SPECIALTY ENGINEER 26.7mm OD GALVANIZED ROUND HSS RUNGS 300mm O.C. 76 x 10 GALVANIZED FLAT BARS LADDER STRINGERS EXTEND S.A.M. & PMMA 100mm ON TO STEEL PENETRATION C/W WITH LEADING EDGE SEALANT SEAL AROUND EXTERIOR G.B. PENETRATION
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