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Bolt Edge Distance as Multiple of db edge = 2.0 D > 1.5D, OK <br />Minimum End Distance end.min = 6.125 in = 7D <br />Minimum Spacing s.min = 3.50 in = 4D <br />Geometry Factor (NDS Section 12.5.1)CΔ =1.00 <br />Bolt Count nb =5 <br />Connection Capacity (LS)Z'.ls = 271249 lb <br />Connection Capacity (IO)Z'.io = 135625 lb <br />GL 1.4 GL 2 GL 3 GL 3.5 <br />Bolts DCR DCR.LS =0.35 0.88 0.27 0.19 <br />DCR.IO =0.33 0.83 0.25 0.17 <br />Check New N/S Chord Elements at Re-Entrant Corners GL 1.4 GL 2 <br />Diaphragm Moment (LS) Md = 1053003 1240221 lb*ft <br />Diaphragm Moment (IO) Md = 494204 582071 lb*ft <br />Diaphragm Depth @ Re-Entrant Corners D =78.5 78.5 ft <br />Chord Force (LS) Fc = 13414 15799 lb <br />Chord Force (IO) Fc = 6296 7415 lb <br />Force-Controlled Action Factor (LS) F = 0.46 0.46 <br />Force-Controlled Action Factor (IO) F = 1.18 1.18 <br />Adjusted Chord Force (LS) Fc = 6228 7335 lb <br />Adjusted Chord Force (IO) Fc = 7440 8763 lb <br />Use (2) HDU8-SDS2.5 <br />Allowable Capacity Pn =6765 lb <br />Expected Capacity (without Safety Factor and Cd) Pe = 10570 lb <br />Lower Bound Capacity PL = 8985 lb <br />DCR =0.69 0.82 <br />0.83 0.98 <br />A35 Allowable Capacity F1 =420 lb <br />Expected Capacity (without Safety Factor and Cd [Cd = 1]) Fe = 1050 lb <br />Lower Bound Capacity FL = 893 lb <br />Count Required n = 7 9 <br />9 10 <br />Angles Provided n =10 (5 per side) <br />Angle Length L =4.5 in <br />Minimum Blocking Length Lb = 22.5 in <br />Chord Development Length GL 1.4 GL 2 <br />Perpendicular Diaphragm Span Sd =30 30 ft <br />Chord Distance from Span End a =8 8 ft <br />Diaphragm Shear (LS) vu = 9837 11586 lb <br />Diaphragm Shear (IO) vu = 4617 5438 lb <br />Diaphragm Capacity (LS) C = 3240 3240 plf <br />Diaphragm Capacity (IO) C = 1620 1620 plf <br />Diaphragm Development Depth Required (LS) D.req = 3.04 3.58 ft <br />Diaphragm Development Depth Required (IO) D.req = 2.85 3.36 ft <br />Chord Element Length Provided D.prov =4 ft <br />DCR =0.76 0.89 <br />0.71 0.84 <br />Check New Collector Splice on GL 3 at Offset <br />Collector Line Offset e =2 ft <br />Collector Splice Length Ls =8 ft <br />Collector Splice Load (LS) Pu = 43615 lb <br />5452 plf <br />Collector Splice Load (IO) Pu = 20470 lb <br />2559 plf <br />Roof Diaphragm Shear Capacity (LS) V = 3240 plf <br />Roof Diaphragm Shear Capacity (IO) V = 1620 plf <br />Existing Diaphragm Nominal Strength (6" B.N., 6" E.N.) vs = 720 plf <br />Add plywood sheathing to bottom of collectors <br />New Lower Diaphragm Nominal Strength (6" B.N., 6" E.N.) vs =720 plf <br />New Lower Diaphragm Expected Strength (LS) V = 3240 plf <br />New Lower Diaphragm Expected Strength (IO) V = 1620 plf <br />DCR (LS) DCR = Pu / Vtotal =0.84 <br />DCR (IO) DCR = Pu / Vtotal =0.79 <br />Typical Collector Connections to Diaphragm <br />A35 Lower Bound Capacity FL = 893 lb <br />Provide A35 angles to meet diaphragm shear demand.GL 1.4 GL 2 GL 3 GL 3.5 <br />9 of 100 <br />1327 S Grand Ave <br />12/12/2024