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BRIGGS ENGINEERING Copyright- BEI 2018 PO BOX 140537, Garden City, ID 83714 <br /> MODULAR BUILDING PAD&PIER FOUNDATION DESIGN -FOUNDATION CALCULATIONS IBC-2015 <br /> CLIENT Pacific Mobile Dealers: Pacific Mobile Structures Criteria 25psf-RLL,40psf FLL,110mph, Exp <br /> Structures C, Cat-D, Ss=1.5, Fp=1500 psf <br /> Date: 1-Apr-18 PO# E18074 Location: KCDA Standards <br /> Project#: 201801 #01.3.01-1 28x32 MODULAR PDN-Classroom State(s): ID-OR-WA West of <br /> w/(2)Floor Joist Spans/Module Cascades <br /> II. FOUNDATION DESIGN <br /> A. Foundation Components <br /> Option A Individual Bearing Pads-Bearing Pads Column Pads <br /> Width,wbp= 16 inches 16 inches <br /> Length, Ibp= 16 inches 16 inches <br /> Surface Support Depth: Conc,Asph& Base 4 inches, Required <br /> Equivalent Bearing Area at Soil, BA= 400 Sq. Inches 384 Sq Inches <br /> IBC-T.18.4.2 Allowable Soil Bearing Pressure, [Class 4]Q= 1500 psf. To Be Verified By Others <br /> Option B Perimeter Support Width 0 inches <br /> Allowable Load, Pbp =(BA)/144*Q= 4167 pounds 4000 pounds <br /> Anchors-'Minuteman'Soil Anchors <br /> Ultimate Anchor Capacity,Anchc= 4725 lbs. <br /> B. Exterior Pads(Around Perimeter) <br /> Floor and Roof Loads: <br /> Exterior Pads Required, Epr= 1 pad <br /> Allowable Load, Pfla= 4167 lbs. From Computer <br /> Calculations, max. span <br /> Perimeter Support Bearing Pressure, (Skirting) 0 psf-OK! <br /> Classroom Exterior Uniform Floor Load, 538 plf 7.76 ft. 6.00 ft. <br /> Classroom Use: Perimeter Pads W/(7) 16-inch x 16-inch pad @ 6-ft o.c.exterior supports. <br /> C. Interior Pads(Floor Loads Only-Mateline Supports) <br /> Floor Loads: <br /> Interior Pads Required, Ipr= 1 pad From Computer <br /> Calculations, max. span <br /> Allowable Load, Pfla = 4167 lbs. <br /> Classroom Interior Uniform Floor Load, 350 plf 11.90 ft. 8.00 ft. <br /> Classroom Use: (5) 16-inch x 16-inch Pads @ 8-ft o.c. interior supports. <br /> D.Column Pads(Roof Loads Only) <br /> Roof Loads: <br /> Column Pads Required, Cpr= 1 pads <br /> Allowable Load, Prla= 4000 lbs. <br /> Mateline Roof Beams Uniform Roof Load,mbrl =(RLL+RDL)*MW= 518 lb/ft. <br /> Effective Mateline Beam Span, Mps= Pfla/mbrl= 7.72 ft. <br /> Use: (1)16-inch x 16-inch pads for every 7.72-ft effective Mateline Beam Span. <br /> Effective Interior Roof Beam Span= 0 ft 0 PADS REQ'D <br /> Effective Interior Roof Beam Span= 16 ft 3 PADS REQ'D <br /> 201801.01.3-1,FDN-Calcs 01-28x32-KCDA-W 3/4 <br />