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1.-1.1......-1- pool POOL ENGINEERING INC.By: M.Sacendoncillo <br />461Lk engineering I Location: Santa Ana, CA,92705-7800 Date: 6/16/2014 <br />inc. / <br />- Job# 14-0994 <br />WIND UPLIFT ANCHOR DESIGN: <br />Simplified Procedure for Components and Cladding: (Sec. 30.5, ASCE 7-10) <br />V = 110 mph (basic wind sbeed) <br />Exp. Cat.= C exposure category (Section 26.7, ASCE 7-10) <br />A = 1.21 Adjustment Factor for Building,Height (Figure 30.5-1, ASCE 7-10) <br />Kzt=1 Topographic Factor (Section 26.8.2, ASCE 7-10) <br />Zone = 2 Roof 8 -22.7 deg Area =334.2 sq.ft. <br />Pnet30 -31.9 p.s.f Net Wind Design Pressure, Eqn. 6-2, ASCE 7-10 <br />Phet = AKztP net3O = (1.21)(1)(31.9 p.s.f.) = 38.599 p.s.f. <br />tnetdes,IBI =38.6 p.s.f. Design Wind Uplift Pressure on Components and Cladding (16 p.s.f. min. per Sec. 30.2:2, ASCE 7-10) <br />Connection to Existing Roof Framing: <br />FS= 1 (additional factor of saftey applied to withdrawal force) <br />Atrib -19.3 sq ft.(panel area tributary to each lagscrew) <br />1 D=2.9 p.s.f. (panel dead load) <br />W=38.6 p.s.f. (designwindpressure) <br />Plag = fS*Atrib*(0.6D-0.6W) = (1)(19.3 sq.ft.)[(0.6)(2.9 p.s.f.)-(0.6)(38.6pts:f.)] <br />= 412.lib. (withdrawal force applied to each lag screw) <br />DIAiag=5/16 in.(lag:screw diameter) <br />2.50 in.(lag screw penetration into existing framing member) <br />W=266 lb./in.(lag screw reference withdrawal design value - NDS Table 11.2A, G=0.50) <br />Co = 1.6 (load duration factor, 2012 NDS) <br />4 - 07 <br />W' = Co*Ct*W = (1.6)(0.7)(266 lb./in.) = 297.92 lb./in.(adjusted withdrawal value) <br />Pallaw = Dpen*W ' = (2.5 in.)(297.92 lb./in) = 744.8 lb. <br />Results:DEMAND = 412.1 lbs. < CAPACITY = 744.8 lbs. ==> OK <br />6/16/20144:11 PM <br />\\pearasvl\fool\Projects SolaF\2014\0994-14:Residential\14-0994 SOLAR: PANEL;CALCS.xlsx <br />Page 12 of 13 <br />©Pool Engineering, Inc. 2014