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Anchor Design for HP-1 <br />(E) Curb to Roof <br />Max Anchor Loads (ASD) <br />Side Lengths <br />a 80 in long <br />b 48 in short <br />Max Anchor Spacing 12 in <br />Vtotal 2271 lbs <br />Vanchor 95 lbs V/No. of Anchors in Shear <br />Short Side Long Side <br />TensTotal 1229 2355 lbs <br />Anchors Per Side 5 7 Side Length/Anchor Spacing + 1, Min of 2 <br />Tensanchor 246 336 lbs <br />Load Angle α =1.2 1.3 rad <br />Combined Load 204 283 lbs <br />Total No. of Anchors 24 <br />Wood Joist Size <br />(N) 4x8 Sister or (N) 4x10 Joist <br />Steel Curb Size <br />14 Gage Curb w/ (E) Plywood <br />Screw Type <br />Simpson SDS 25600Screws <br />Wood Capacity (ASD) <br />G = 0.5 <br />Shear (Z) =420 lbs NDS Table 12L/Simpson SDS Table <br />Withdrawl (W) =560 lbs NDS Table 12.2B/Simpson SDS Table <br />CD =1.6 NDS Table 2.3.2 <br />CM =1.0 NDS Table 11.3.3 <br />Ct =1.0 NDS Table 11.3.4 <br />Cg =1.0 NDS 11.3-1 <br />CΔ = 1.0 NDS Table 12.5.1A <br />Ceg =1.0 <br />Cdi =1.0 <br />Ctn =1.0 <br />Z' =672 lbs NDS Table 11.3.1 <br />W' =896 lbs NDS Table 11.3.1 <br />Zα' =859 lbs NDS 12.4-1 <br />DCR Check <br />Curb to Roof <br />Shear DCR =0.14 OKAY <br />Tension DCR =0.38 OKAY <br />Combined DCR = 0.33 OKAY <br />CHECKED BY <br />SHEET NO. <br />PROJECT NO. <br />CLIENT <br />DATE <br />SUBJECT <br />BYSCE Building C <br />Equipment Anchorage Calculations - HVAC UNIT <br />238143-BLDC <br />01 October 2024 <br />TSW <br />MEP <br />- - <br />Page 27 of 43 <br />1327 S Grand Ave <br />12/12/2024