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4" LONG - SEISMIC BRACE CALCULATIONS <br /> Seismic Project 4" Lateral Brace Name 4" Long <br /> Standard NFPA 13-2016 Drawing Reference Long <br /> Brace Type Longitudinal Approval Agency UL Listed <br /> STRUCTURE INFORMATION SEISMIC BRACE ATTACHMENTS <br /> Structure Cracked Concrete Model Size Load Rating <br /> Substrate Normal Weight Cracked Concrete-4000 psi Swivel Att. AF075 1 NPS x 1/2" 1,425 lbf. <br /> BRACE INFORMATION Pipe Att. AF411IAF074 4 NPS x 1 NPS 1,425 Ibf. <br /> Brace Member 1 NPS Sch 40 See Appendix A for alternate seismic brace attachments. <br /> Brace Length Max 7 ft 0 in All seismic brace attachments manufactured by ASC Engineered Solutions. <br /> Brace Angle 45°-59° <br /> Least Radius of Gyration 0,421 in. <br /> I/r Ratio Max 200 wedge Anchor st,"t re: <br /> o- concrete(By DI!,asl <br /> Max Horizontal Load 1,310 lbf. <br /> Fig.ARP:, <br /> FASTENER INFORMATION <br /> Fastener Name Wedge Anchor per NFPA Schedule c0 —Fig.AF074 <br /> 13-2016 Brace Pipe <br /> Fastener Orientation B <br /> Fastener Diameter 1/2 in. <br /> Fig.AF4't <br /> Nominal Embedment 3 5/8 in. <br /> Max Horizontal Load 607 lbf, Net Vertical Reaction Forces do not need to be addressed per NFPA 13-2016. <br /> SPRINKLER LOAD; C LC i (Fpw = CP' <br /> P <br /> Qty Line Description Pipe Diameter/Type Length Weight per ft Weight <br /> 1 Main Braced Pipe 4 NPS Steel Sch 10 70.00 ft. 11.78 lb/ft. 824.60 lb. <br /> Total System Weight 824.60 lb. <br /> System Design Weight (Wp) 949 lb. <br /> Horizontal Seismic Load (Fpw) 587 lbf. <br />