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BRIGGS ENGINEERING, Inc. 0 Copyright BE12020 S dean@briggs-engineering.com` IM
<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 />28x32 - Modular Style Building
<br />Project #: 202001 # 07.2 1 State(s): OR, WA PNW
<br />Classroom
<br />Dimensions: Module Length, ML = ft.
<br />Module Width, MW = ft.
<br />Width, W = # Units = 28.00 ft.
<br />Length, L = # Units = 32.00 ft.
<br />1st Floor Wall Ht., Wht1 = ft.
<br />2nd Flr. Wall Height, Wht = ft.
<br />Roof Height, Rht = 2 :12 Slope 2.33 ft.
<br />Floor Height above NG, Fht F inches 3.00 ft
<br />Building Ht Coeff, Htc = Rht+Wht+Fht-10 1.00
<br />No. of floor spans per module, nfs =
<br />Effective Width of Building Supported, L2a = 84.00 inches
<br />Effective Width of Building Rail Supports, L2b = inches
<br />II.. FOUNDATION DESIGN
<br />A. Foundation Components
<br />Option A Individual Bearing Pads - Bearing Pads Int. Column Ext Co.
<br />Pads Pads
<br />Width, wbp = inches
<br />Length, lbp = inches
<br />Surface Support Depth: Conc, Asph & Base inches
<br />Equivalent Bearing Area at Soil, BA = 400 Sq. Inches 400 400
<br />IBC-T.18.4.2 Allowable Soil Bearing Pressure, Q= psf.
<br />Option B Perimeter Support Width inches
<br />Allowable Load, Pbp = (BA)/144*Q = 4166 lbs. 4166 lbs.
<br />Steel Pier Allowable Load 6000 lbs.
<br />MTI Report B96181g - Soil Type -'GS', c
<br />Lateral Load Anchors: Minuteman' MMA-92 w/Stabilizer Head
<br />ASD Anchor Capacity, Anch_L =0 lbs.
<br />Overturning Uplift Anchors -'Minuteman' MMA-92 Auger Anchor
<br />ASD Anchor Capacity, Anch_U lbs.
<br />B1. Exterior Pads (Exterior Rails)
<br />Floor and Roof ufll = (RLL+RDL+CDL+CLL+EM+2nd FI DL+FLL)*MW/2 +
<br />Exterior Uniform Floor Load, 691 lb/ft.
<br />Loads: (FLL+FDL+PDL)*L2a/2 + (Wht+Wht1)*WDL =
<br />Perimeter Support Bearing Pressure, (Skirting) 0 psf - OK!
<br />OR Max. Pad Spacing, Mps = Pfla/ufll = 6.00 ft.
<br />Max. span of Support Beams = ft.
<br />Use: Perimeter Skirting W/ (6) 16-inch x 16-inch pad @ 6-ft o.c., max exterior supports.
<br />C1. Interior Pads (Floor Loads Only)
<br />Floor Loads: Interior Uniform Floor Load, ifll = (FDL+FLL+PDL)*L2a/12 = 343 Ib/ft.
<br />Max. Pad Spacing, Mps = Pfla/ifll = 12.14 ft.
<br />Max. span of Support Beams = 0 ft.
<br />Use: (5) 16-inch x 16-inch Pads @ 8-ft o.c, max. interior supports.
<br />D. Column Pads (Roof Loads Only)
<br />Roof Loads: Column Pads Required, Cpr = pads
<br />Allowable Load, Prla = 4166 lbs.
<br />ML Beams Load,mbrl = (RLL+RDL+EM+CDL)*MW+IF(Wht=0,0,(FLL+FDL+EM+CDL)*ML 518 lb/ft.
<br />Effective Mateline Beam Span, Mps = Pfla/mbrl = 8.04 ft.
<br />Use: (1) 16-inch x 16-inq
<br />Effective Interior Roof Beam Span =
<br />Effective Exterior Roof Beam Span =
<br />h pads for every 8.04-ft effective Mateline Beam Span.
<br />ft., (0)-SF 0 16x16 PADS REQ'D
<br />ft., (5.6)-SF 2 16x16 PADS REQ'D
<br />2001.07.2,KCDA FDN-Calcs-28x32 WW KCDA MOD-CR FDN (4-5
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