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111 1 Pool <br />4661:E engineering <br />POOL ENGINEERING INC.By R. Lopez <br />Location. Santa Ana, CA 92706 Date: 1/10/2014 <br />Job# 14-0070 <br />GRAVITY LOADS: <br />Roof Dead Load (Existing): <br />4.0 p.s.f.Comp. Shingles <br />1.5 p.s.f.1/2" Ply. Sheathing <br />1.0 p.s.f.2*6 Rafters @ 24"0.c <br />4.0 p.s.f.5/8' Gyp. Board & Ceiling Framing <br />1.5 p.s.f.Misc. <br />12 p.s.f.Existing Roof Dead Load <br />Tvpical Floor Dead Load (Existing - If Applicable): <br />7.5 pif.Max. Floor Finish Weight <br />3.3 p.s.f.11/8°Suk}floor Sheathing <br />3.4 p.sj.2x Joists @ 16" 0.0 <br />15.0 p.s.f.2x Partitions (finished) <br />4.0 p.s.f.5/8" Gyp. Board & Ceiling Framing <br />1.8 p.s.f.Misc. <br />35 p.s.f.Existing Floor Dead Load <br />Roof Live Load (Existing): <br />20 p.s.L (Table 1607.1 of C.B.C 2013) <br />Floor Live Load (Existing - If Applicablet: <br />40 p.s.f.(Table 1607.1 of CB.C 2013) <br />Roof Dead Load (Proposedl: <br />3.0 p.si CANADIAN SOLAR CS6P-250 solar pahels and mounting system <br />12 p.s.f.Existing Roof Dead Load <br />15.0 pif.Proposed Roof Dead Load <br />Roof Live Load w/ Solar Panels (Proposed): <br />0 p.s.f.(Panels cannot support live loads) <br />Total Roof Loads: <br />Total Existing Roof Load = (DI·oof+LI··foof) Arearoof <br />= 61632 lb. <br />Total Proposed Roof Load = (Dlproposed +11-ropo5ed) Areapropc.ed + (Dlroof +- 1-Lroof) (Arearoof- Areapropowd) <br />= 55166 lb. <br />Demand Increase = [(Proposed Roof Load- Extg. Roof Load)/Extg. Roof Load]x100 <br />= -11.72% <br />Results:NET DECREASE IN GRAVITY LOADS ==> OK <br />1/10/2014 11:29 AM <br />\\peanasv2\Pool\Projects Solar9014\0070-14 Residential\14-0070 SOLAR PANEL CALCS.xisx <br />Page 9 of 13 <br />©Pool Engineering, Inc. 2014