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99 • BRIGGS ENGINEERING,/25 Copyright 8E12020 • dean@briggs-engineering.com <br />PRE -FABRICATED BUILDING DESIGN - FOUNDATION CALCULATIONS IBC-2015, WBC & IBC-2018, OSSC-2019 [most restrictive] <br />CLIENT Pacific Mobile OWNER: Varies, Criteria 25,40,100C,D,1.5,1500 <br />Date: 28-Mar-20 PO# E20068 Location: Standard KCDA Fdn - West of Cascades <br />Project #: 202001 # 07.2-1 28x32 - Modular Style Building - State(s): OR, WA PNW <br />Classroom <br />Seismic: <br />PNW <br />ASCE 7-10 Section 12.14 - Simplified Alt. Struc. Design Criteria for Simple Bearing Wall or Frame Systems <br />Lower Module Weight = <br />32.73 psf <br />Required Partion Weight = <br />0.00 psf <br />Total Seismic Design Weight, Wtot = <br />32.73 psf <br />ASCE 7, Section 3.1 <br />Storage Load % Used in Seismic Design = <br />0% <br />ASCE 7, 12.7.2.1 <br />Partition Load Used in Seismic Design = <br />10 psf <br />ASCE 7, 12.7.2.2 <br />Equipment Load % Used in Seismic Design = <br />100% <br />ASCE 7, 12.7.2.3 <br />Snow Load % Used in Seismic Design = <br />ASCE 7, 12.7.2.4 <br />Seismic Improtance Factor, Is = <br />1.00 <br />ASCE 7, Table 1.5-2 <br />Soil Site Class <br />ASCE-7, Section 11.4.1&2 <br />Lat Mapped Spectral Accelerations, Ss & S1 = <br />500 <br />0.50 <br />ASCE 7, Figures 22-1 to 22-6 <br />Long Site Coefficient, Fa & Fv= <br />1 200 <br />2.400 <br />ASCE 7, Tables 11.4-1&2 <br />Elev Max. Spectral Response, SMS = Fa*Ss = <br />1.800 1.200 <br />ASCE 7, EQ 11.4-1 & 11.4-2 <br />Design Spectral Response, Sds = 2/3*SMS = ( & Sd1) <br />1.200 0.800 <br />ASCE 7, EQ 11.4-3 & 11.4-4 <br />Seismic Design Category = <br />D <br />ASCE 7, Table 11.6.1 & 11.6-2 <br />Response Modification Coefficient, R = <br />, 00 <br />ASCE 7, Table 12.2-1 <br />Overstrength Factor <br />> 50 <br />ASCE 7, T.12.2-1 <br />Redundancy Factor, ps <br />JASCE <br />7, Section 12.3.4 <br />Cs = le*Sds/R <br />0.3000 <br />ASCE 7, EQ 12.8-2 <br />Ct = x = <br />ASCE 7, Table 12.8-2 <br />Ta (sec) = Ct*hn^x <br />0.0225 <br />ASCE 7, EQ 12.8-7 <br />TL (sec) = <br />ASCE 7, Figures 22-12 to 22-16 <br />Csmax = <br />8.9082 <br />ASCE 7, EQ 12.8-3 & 12.8-4 <br />Csmin = <br />0.0528 <br />ASCE 7, EQ 12.8-5 & 12.8-6 <br />Total Shear, vsu=ps*SDS*Wtot/R = <br />9.82 psf <br />ASCE 7, EQ. 12.14-11 <br />2001.07.2,KCDA FDN-Calcs-28x32 WW KCDA MOD-CR FDN 3 - 5 <br />