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4" LAT STAND PIPE FEED - SEISMIC BRACE CALCULATIONS <br /> Seismic Project 4" Lateral Brace Name 4" Lat Stand Pipe Feed <br /> Standard NFPA 13-2016 Drawing Reference Lat <br /> Brace Type Lateral 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. AF035 4 NPS x 1 NPS 1,955 lbf. <br /> Brace Member 1 NPS Sch 40 See Appendix A for alternate seismic brace attachments. <br /> All seismic brace attachments manufactured by ASC Engineered Solutions. <br /> Brace Length Max 7 ft 0 in <br /> Brace Angle 45°-59° <br /> Least Radius of Gyration 0.421 in. _ <br /> I/r Ratio Max 200 Wedge Anchor Structure: <br /> 0 Concrete(By Others) <br /> Max Horizontal Load 1,310 lbf. <br /> Fig.AF075 <br /> FASTENER INFORMATION <br /> Fastener Name Wedge Anchor per NFPA <br /> 13-2016 Schedule 40 <br /> Service <br /> Brace Pipe Pipe <br /> Fastener Orientation B <br /> Fig.AF035 <br /> Fastener Diameter 1/2 in. <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 SYSTEM LOAD CALCULATION (Fpw = CP*WP) <br /> CP = 0.618 <br /> Qty Line Description Pipe Diameter/Type Length Weight per ft Weight <br /> 1 Main Braced Pipe 4 NPS Steel Sch 10 40.00 ft. 11.78 lb/ft. 471.20 lb. <br /> Weakest Main Size Spacing Max Fpw Total System Weight 471.20 lb. <br /> 4 NPS Steel Sch 10 40 ft. 769 lbf. System Design Weight (Wp) 542 lb. <br /> Horizontal Seismic Load (Fpw) 335 lbf. <br /> 6 <br />