Laserfiche WebLink
Project: Colasurdo Residence <br />1418 West River Lane <br />Santa Ana, CA; 92706 <br />Ame,ican <br />E Solar Direct <br />Date: 3/11/2014 <br />Sheet: 2 of 2 <br />LoadinR Analysis <br />Gravity Load Compliance (CBC - §3404.3)101.6% <105% .·.PV system igravity loads are in compliance. <br />Lateral Load Compliance [Seismic] (CBC - §3404.4)103.7% <110% .·.PV system seismic loads are in compliance. <br />Lateral Load Compliance [Wind] (CBC - §3404.4)142.0% >110% -:The adjacent framing ok by inspection foroutward <br />lateral loads. Review nailing. <br />Existing Diabhragm Nailing Analvsis <br />Assumed Plywood Sheathing Thickness <br />Assumed Minimum Diaphragm-Nailing <br />Nail Diameter <br />Nail Length <br />Specific Gravity <br />Lead Distributed to Adjacent Framing (Each Side) <br />Allowable Tension (Withd fawal) -Table 11.2C <br />0.5 in <br />8d Common Nails @ 12"0.C. (All Boundary Edges & Field) <br />D = 0.131 in NDS 2012 -Table L4 <br />L = 2.5 in NDS 2012-Table L4 <br />G = 0.49 NDS 2012 - Table 11.3.3A <br />29 pif <br />W = 30 lbs / nail / inch penetration <br />W=60 lbs / nail > 29, <br />··· The existing roof diaphragm nailing can sufficiently distribute excess <br />loading to adjacent framing. <br />Existing Framing Analvsis Uplift on Rafter/Truss at Eave & Ridge (Using ASD Load Combination [0.60 + 0.6WD <br />Assumed Rafter/Truss to Plate Nailing <br />Nail Diameter <br />Nail'Length <br />Specific Gravity <br />Numbef of Connections per Loaded Rafter/Truss <br />Maximum Wind Loading per Connection <br />Total Uplift on Loaded Rafter/Truss <br />Dead Load on Tributary Area (3 Rafters/Trusses) <br />Allowable Tension (Withdrawal) - Table 11.2C <br />Total Allowable Tension - 3 Rafters/Trusses <br />Dead Load on Tributary Area + Nail Capacity <br />Assumed Rafter/Truss to Ridge Nailing <br />Nail Diameter <br />Nail Length <br />Specific Gravity <br />Numberof Connections per Loaded Rafter/Truss <br />Maximum Wind Loading per Connection <br />-Iotal Uplift on Loaded Rafter/Truss <br />beadod on Tributa,4 Area (3 Rafters/Trusses) <br />7 Allowable Ten;ion (Withdrawal) -Table 11.2C <br />' Total Al,lowable Tension - 3 Rafters/Trusses <br />bead Load on -Fributary Area + Nail Capacity <br />9% E CE I VE r# <br />MAR 18 2014 <br />City of Santa Ana <br />9 <br />3-88 Toenails CBC - Table 2304.9.1 <br />D = 0.131 in NDS 2012-Table L4 <br />L = 2.5 in NDS 2012 - Table L4 <br />G = 0.49 NDS 2012 - Table 11.3.3A <br />4 <br />A x Pnet = 185.2 lbs <br />740.92 lbs; <br />0.6(DL) = 705.1 lbs <br />W=30 lbs / nail / inch penetration <br />W = 361.8 lbs <br />1066.9 lbs >740.9 <br />·: The existing rafter/truss to plate toenailing can sufficiently withstand <br />uplift on the roof rafters/trusses. <br />2-16d Toenails CBC - Table 2304.9.1 <br />D = 0.162 in NDS 2012 - Table L4 <br />L -= 3.5 in NDS 2012 - Table L4 <br />G = 0.49 NDS 2012 - Table 11.3.3A <br />4 <br />A x Phet.= 185.2 lbs <br />740.92 lbs <br />0.6;(DL) = 705.1 lbs <br />W = :38 lbs / nail / inch penetration <br />W = 427.7 lbs <br />1132.8 lbs >740.9 <br />A The existing rafter/truss to ridge toenailing can sufficiently withstand <br />uplift on the roof rafters/trusses. <br />1 1