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JOSE D. GARCIA Job Name: Gambocorto Daniel Residence <br /> CONSULTING ENGINEER,LLC. Job Address: 38721 9th Ave. <br /> CML/STRUCTURAL <br /> 17440N.E.4fh.Ave' <br /> North Miami Beach,FI33182 Zephyrhills, Florida 33542 <br /> Tel:(305)903-5705 Email:JgarclaMe&ulbokeom <br /> FLA.P.E.Licence No.78458 <br /> Job Number: 19-085 <br /> CHAPTER i: DESIGN LOADS <br /> PHOTOVOLTAIC MODULE SPECIFICATIONS <br /> i <br /> PV Module Brand= See panel'Cut Sheet Documen <br /> Type= Solar Module <br /> Series= See panel Cut Sheet document <br /> PV Module Height(H)= 0.125 ft <br /> PV Module Width(W)= 3.33 ft <br /> PV Module Depth(L)= 5.42 ft <br /> Operating Weight(Wt)= 41.89 lb <br /> All Structural calculations are made for worst case condition i <br /> La g bolts inside wind Zone 1 & 2 - Uplift Weighted Ave.for pressure= 33.24 psf <br /> FIND UPLIFT FORCE(U) <br /> Tributary Area each base(worst case)(At)= 2.75' x 4'= 11 sf <br /> Panel weight (PW)= Wt/ A each panel = 2.32 Ib/sf <br /> Weighted Ave.for pressure(Wu)= 33.24 psf <br /> Net Uplift Force = U = (Wu - PW) 30.92 psf. <br /> I <br /> I <br /> FIND TOTAL TENSION APPLIED TO EACH CONNECTION(Tt) <br /> Total Tension = Tt = U * At 340.08 Ib <br /> Base type and Manufacturer: Quick Mount PV. L-Mount System (QMLS) <br /> Manufacturer Allowable Tension 984 lb <br /> Safety Factor = FS <br /> FIND TENSION APPLIED EACH SCREW(Tscrew) <br /> Number of screws per connection(#screws)= 1.00 u <br /> Tension each screw= Tscrew = Tt / # screws = 340.08 lb/per screw with wind load in tension <br /> Per definition on sheet 243 of ASCE 7-10 effective wind area: "For cladding fasteners the,effective wind <br /> area shall not be greater than the area that is tributary to an individual fastener" <br /> Per section 2.4.1 of ASCE 7-10, Basic Load Combinations for Allowable Stress Design: Applicable load <br /> combination #5 (0+0.6W) <br /> Page 3 <br />