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Seismic Calc <br /> ASCE Chapter 13: EQU 13.3-1 <br /> Horizontal Load <br /> Fp=(.4ap*SDS*WP/(RP/IP))*(1+*2(z/h)) <br /> Ap: Component Amplification factor <br /> Rp: Component Response Modification Factor <br /> Other Flexible components: Air-side HVACR, fans, air handlers, air conditioning units : Ap:2.5 <br /> Rp: 6 <br /> Mechanical Unit: H-1 <br /> Wp: 768# Round up to 800 lbs (per PND Calc, see appendix for gravity design) <br /> SDS: .979 <br /> Ip: 1, (None of the conditions apply per 13.1.3 <br /> z/h=1, Structure is attached to the roof <br /> Fp=(.4*2.5*.979*800#/(6/1))*(1+*2(1))= 785# <br /> Boundary Conditions: <br /> 1.6*SDS*Ip*Wp= 1255 # <br /> .35*SDS*Ip*Wp= 275 # <br /> Vertical Load: <br /> .2*SDS*WP= 160 # <br /> Unit connected by (4) Lag screws into stud wall <br /> Seismic Calc checks withdrawal and lateral loading <br /> South Fork TI 06/15/2023 23237.01 <br /> project date job no. <br /> 1511 THIRD AVENUE <br /> SUITE T2LE06W..957.3900 drawn by <br /> TElSEL A98101 Vital Mechanical <br /> 8 <br /> QUANTUM FAX 206.957.3901 <br /> CNN 4 N l T I N N i N 6 1 N F E N 1 www.quantumce.ccm client design by: sheet no. <br />