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Job: Job o. <br />Client: <br />Designed by: JJM Date: Page t Of <br />Seismic Input - <br />Equipment Seismic Force. <br />-'Ihe seismic force on a piece of equipment is found using equation #13.3.1 from section 13.3 of <br />the ASCE 7.10 Minimum Design Load for Buildings and Other Structures <br />Site Class <br />A <br />Hard Rock <br />B <br />Rock <br />C <br />Very Dense Soil and <br />Soft Rock <br />D <br />Stiff Soil <br />E <br />Soft Clay Soil <br />F <br />Soils requiring site <br />response analysis. <br />This beyond of the <br />scope of this worksheet <br />Site Class :_ "D" Enter Site Class <br />Martin Consulting Group, Inc. <br />2204 Plaza Drive, Suite 130 <br />Rocklin, California 95765 <br />916/256-4816 Fax 916/302-4065 <br />SS := 0.756 Enter Maximum Considered Earthquake Spectral ResponseAcceleration <br />Parameter at Short Period from Maps or Site specific USGS <br />Fa := 1.198 Site Coefficient, Fa from Table 11.4-1, ASCE 7-10 <br />or Site specific USGS output <br />Maximum Considered Earthquake Spectral Response for <br />SMS := Fa - S, SMS = 0.91 Short Periods Eq. 11 A-1, ASCE 7-10 <br />2 <br />SDs 3 SMS SDS = 0.604 Design Spectral Acceleration Parameter, Eq. 11.4-3, <br />ASCE 7-10 <br />ap := 1.0 ASCE 7. 10, Table 13.5-1 or Table 13.6-1 Coefficients <br />for Architectural Component or Mechanicaland <br />Electrical components = Rigid with low deformation <br />RP := 1.5 ASCE 7. 10, Table 13.5-1 or Table 13.6-1 Coefficients <br />for Architectural Component or Mechanicaland <br />Electrical components = Rigid with low deformation <br />Ip := 1.0 Component Importance Factor <br />