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BRIGGS ENGINEERING, •. Copyright-BEI 2020 • dean@_briggs-engineering.com <br /> MODULAR BUILDING PAD&PIER FOUNDATION DESIGN -FOUNDATION CALCULATIONS IBC-2015,WBC,OSSC <br /> CLIENT Pacific Mobile Dealers: Pacific Mobile Structures, Inc Criteria 25psf-RLL,40psf-FLL,110mph, Exp <br /> Structures, Inc B, Cat-D, Ss=1.411, Fp=1500 psf <br /> Date: 1-Feb-20 PO# E19205 Location: Evergreen MS,7621 Beverly Ln, Everett <br /> Project#: 201901 #01.3.01-1 28x32 MODULAR FDN-Classroom State(s): WA 98203 <br /> w/(2)Floor Joist Spans/Module <br /> E. Lateral Design <br /> 1. Longitudinal Walls(Front&Back, Long Walls) <br /> Unit Wind Load, UWL=(Wht+Rht+Fht/2)*Wp*L= 5457 lbs <br /> Unit Seismic Load,USL=W*L*pst= 5858 lbs Governs <br /> Building Weight= 24896 lbs <br /> %Building Weight Used for Lateral Sliding 0% <br /> Transverse Foundation Friction Factor= 0.40 <br /> Gravity Resistance, GR=Building WT*Friction Factor= 0 lbs. <br /> OTM= Lateral Load*wht/2+Uplift 43953 Ft-lbs <br /> RM=0.9*Building Wt*W/2 313690 Ft-lbs <br /> Factor of Safety=RM/OTM 7 No Uplift Anchors Required <br /> Use: (4)'Minuteman' MMA-35 w/MMA-in Asphalt <br /> 2. Lateral Walls(End,Short Walls) <br /> Unit Wind Load, UWL=(Wht+Rht/2+Fht/2)*Wp= 4332 lbs <br /> Unit Seismic Lateral Load, USLL=W*L*pst= 5858 lbs Governs <br /> % Building Weight Used for Longitudinal Sliding 0% <br /> Longitudinal Foundation Friction Factor= 0.40 <br /> Gravity Resistance, GR=Building WT*Friction Factor= 0 lbs. <br /> OTM=Lateral Load*wht/2+Uplift 43953 Ft-lbs <br /> RM=0.9*Building Wt*W/2 358502 Ft-lbs <br /> Factor of Safety= RM/OTM 8 No Uplift Anchors Required <br /> Use: (4)'Minuteman' MMA-35 w/MMA-in Asphalt <br /> f J <br /> 201901.09.1-2,KCDA FDN-Calcs.xlsx 09.1-2, 28x32-KCDA-W , 4/4 <br />