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SEISMIC FACTORS FOR EQUIPMENT ANCHORAGE <br />Site: <br />Floor (Level): <br />Equipment: <br />Seismic Design Force Factors: <br />ap* Rp* o Ip z h SDS** <br />amp factor response <br />mod factor <br />Omega <br />(overstrength) <br />Factor <br />importance <br />factor <br />height of <br />attach point <br />average roof <br />height <br />design <br />parameter at <br />short periods <br />2.5 2 2 1.0 1 1 1.013 <br />* ASCE 7-16, Table 13.5-1, 13.6-1 <br />**See seismic coefficients on US Seismic Design Maps output <br />Seismic Design Force for Equipment Anchorage <br />1.52 Wp (ASCE 7-16, Equation 13.3-1) <br />1.62 Wp (ASCE 7-16, Equation 13.3-2) <br />0.30 Wp (ASCE 7-16, Equation 13.3-3) <br />Seismic Design Force <br />Fp(H) =1.52 Wp 1.06 Wp <br />Fp (V) = .2SDS 0.20 Wp 0.14 Wp (ASCE 7-16, Section 13.3.1.2) <br />Overstrength Forces (Anchorage into Concrete (LRFD)) <br />3o*Fp(H)=3.04 Wp 2.13 Wp <br />*No overstrength required for F p(V) <br />ASD (0.7 x LRFD)LRFD <br />LRFD ASD (0.7 x LRFD) <br />1951 Carnegie Ave., Santa Ana, CA 92705 <br />Roof <br />Air Handling Units w/ Neoprene Pads <br />= <br />0.4 <br />  <br /> / <br />1 + 2 <br /> <br />ℎ= <br />(min)= 0.3 <br /> = <br />(max)= 1.6 <br /> = <br />H:\2024\240417\4_Engineering\240417.Equip Anchorage <br />3900 Cover Street, Long Beach, CA 90808 562.985.3200 P 562.985.1011 F www.mhpse.com <br />3.0 <br />OCT 2024