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Wickstrom Structural <br />Engineering, Inc. <br />Sheet <br />Project No.13-019 <br />Date 04/15/13 <br />Engr.ECW <br />Rigid Equipment Anchorage Calculations <br />Per 2010 CBC/ASCE 7-05 <br />Equipment Information Name: PH3G-A60 <br />Unit Weight, Wpu = 468.0 lbs Ave. Roof Elev., h =11.3 feet <br />PLAN DIMENSIONS Equipment Elev, z =11.3 feet <br />Long Side Ex =0.38 feet (5% Long Side) <br />Short Side Ey =0.46 feet (5% Short Side) <br />Height to C.G. <br />Curb Weight, Wpc r..d. 0 tqf L <br />Curb Height -e- doet I + Cer.%., <br />SEISMIC FORCE (per ASCE 7-05) <br />Imp. Factor, Ip <br />Sds <br />4.0 feet <br />3.7 feet <br />1.5 feet <br />162.0 lbs <br />0.9 feet <br />1.£3. / (Section 13.1.3)OII <br />Formula 11.4-3) <br />Other Mech/Elect Components <br />ap =1.00 (From Table 13.6-1) <br />Rp =2.50 <br />Seismic Loading, Fph =0.444 * Wp (Formula 13.3-1)ASD Load Combinations (Sect. 2.4.1) <br />Max Fph =1.480 *Wp(Formula 13.3-2)1.0 *D+0.7 * E <br />Min Fph =0.278 * Wp (Formula 13.3-3)0.6 *D+0.7 * E <br />Vertical Loading, Fpv =0.185 * Wp <br />ANCHORAGE CALCULATIONS Long Edge Anchorage <br />OTM =375 Ft*Lbs Rm =-102 lbs <br />Vertical Loading, Rv =394 lbs Max <br />Rv =236 lbs Min <br />. Combined Loads, R =338 lbs Max <br />R = 40 lbs Min <br />(uplift if negative) <br />Direct Shear Eccentricity <br />Horz Shear =97.902 lbs/side Vr =12.2 lbs/side <br />Short Edge Anchorage <br />Rm=-94 lbs <br />Rv =374 lbs Max <br />Rv =256 lbs Min <br />R = 350 lbs Max <br />R = 60 lbs Min <br />(uplift if negative) <br />Max V =110.1 lbs/side <br />Cd =1.60 Use 2 3/8" Lags or 1/4" SDS <br />3/8" Lags = 140.00 · Per Screw Along Each Edgej <br />1/4" SDS Screws = 250.00 Per Screw -/ <br />ght AT l f -131 6 8 <br />Lt NG 791 f <br />_ penv 06 A-orborteevr££211 2--Dig, <br />- GNZE <br />Lv r,