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Project: <br />Location: <br />Calc. by: <br />Date: <br />GRAVITY LOADS (ROOF 1 & 2) <br />3 psf <br />Note: PV System Weight Provided by Client/ Manuf. <br />ASCE Ch-3 <br />4 psf <br />4 psf <br />0.73 psf <br />0 psf <br />0.27 psf <br />9 psf <br />ASCE Ch-4 <br />20 psf <br />≤ 200 sq.ft <br />1 <br />5/12 (23 Deg.) <br />1.00 <br />20 psf <br />Note: Live Load Under PV Arrays = 0 PSF. <br />ASCE Ch-7 <br />0 psf <br />1 Table 7.3-1 <br />1 Table 7.3-1 <br />1 <br />N/A psf <br />N/A psf <br />0.0 psf Eqn 7.3-1 <br />5/12 (23 Deg.) <br />1.00 <br />0.0 psf Eqn 7.4-1 <br />Albear Residence <br />Santa Ana, CA <br />PE <br />28202 CABOT ROAD, SUITE 300 <br />LAGUNA NIGUEL, CA 92677 <br />9/20/2021 <br />ITEM VALUE <br />Ground Snow Load, pg = <br />VALUE <br />Slope Reduction Factor, R2 = <br />ROOF LIVE LOAD, LLROOF = L0 . R1 . R2 = <br />3. ROOF LIVE LOAD <br />ITEM <br />Roof Live Load, L0 = <br />Tributary Area Supported By Member, AT = <br />Tributary Area Reduction Factor, R1 = <br />Roof Slope = <br />1. NEW PV SYSTEM <br />DEAD LOAD <br />ITEM LOAD <br />(N) PV SYSTEM DEAD LOAD, DLPV-N = <br />2. ROOF DEAD LOAD <br />ITEM LOAD <br />Comp Shingles <br />Plywood & Skip Sheathing <br />2x4 Rafters @ 24" O.C. <br />Vaulted Ceiling <br />Miscellaneous <br />ROOF DEAD LOAD, DLROOF = <br />Slope Factor, Cs = <br />ROOF SNOW LOAD, ps = Cs . pf = <br />Minimum Flat Roof Snow Load (AHJ), pf_min_AHJ = <br /> Flat Roof Snow Load, <br />pf = 0.7CeCtIspg + pf_sur ; pf ≥ pf_min_AHJ –› pf = <br />Roof Slope = <br />Surface Type = All Other Surfaces <br />Exposure Factor (Fully Exposed), Ce = <br />Thermal Factor (Cold Roof), Ct = <br />Snow Importance Factor, Is = <br />Minimum Low-Slope Roof Snow Load, pLS_min = <br />4. ROOF SNOW LOAD <br />LAGUNA <br />CONSULTING ENGINEERS <br />LAGUNA PACIFIC GROUP, INC. <br />Page 2 <br />812 N Baker St <br />12/14/21