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00-0147-005
JOB SUBJECT SHEET BYV/&:F' DATES CHK. DAT OF Design Wind Pressures for Doors and Windows ASCE 7 -88 , SECT. 6 Exposure: "C" Category I = 1.05 Design wind speed: 110 mph Mean roof height: < 15 ft k Z = 0.80 GCp; = 0.25 and GCp; _ -0.25 Velocity Pressure : q , = 0.00256 k,(IV)2 = 27.32 psf 6'-0" x 6'-8" Door Zone : 4 At = 40 sq.ft GCp = 1.27 GCp = -1.37 p = qh [GCp - (GCp,)) p = 41.45 psf w/ positive internal pressure. p = -44.26 psf w/ negative internal pressure. 25 SH Window Zone : 5 (worst case) At = 16 sq.ft GCp = 1.45 GCP = -1.70 p = qh [GCp - (GCp)) P = 46.45 psf w/ positive internal pressure. p = -53.28 psf w/ negative internal pressure. Beam over 6'-4" Opening length: 6.33 ft. or 55.96 ilr (8"X16") height: 16 in. Roof Loads : d eff : 13.81 in. DL : 25 psf width: 8 in. LL : 30 psf Beam self weight: 0.13 kip/ft Factored roof loads : Factored : 0.10 kin /ft 1.4 DL + 1.7 LL = 0.086 kip /ft2 Effective Bearing Length: 7.75 ft wu = (0.086x7.75' ) + 0.19 0.85 kip/ft F Kn P (MiN) As(REQ'D) I - Mn = 1/8 wu L2 = 5.03 kip-ft 0.1272 40 0.0033 0.26 in As(REQ'D) < As(PROV.) (2#5) 0.62 in 2 O.K. Check Shear Vu = 1/2 wu L = 2.70 kip Check critical shear section, Vu @ d Vu @ d = [( 0.5L -deff)/0.5L] x Vu = 1.72 kip Vc = 2 Sqrt( fc) bd = 12.10 kip #c/ 2 = 5.14 kip By AC( 11.5.5.1. Check if stirrups are required. Vu < � V,/2 Stirrups are not req'd