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HomeMy WebLinkAboutCALCULATIONSCREA CONSULTANTS, LLC Project LAKEWOOD PLAZA PARK File 201806 Subject INTERIOR REPAIRS&FASCIA REPAIR Date: 6/6/2018 Location: 5190-519B TURKPIKE FEEDER ROAD Eng MARCO T. PEREZ P.E. Desgln Wind Pressure. P. Eauation 30.4-11ASCE 7-101 Ip Components and Cladding Low -Rise Buldings p : gh[(GCp)-(GCpi)] (Envelope Procedure) with h<=60it qh ; velocity pressure at - Monoslope Roofs GCp ; Figures 30.4-1 & 30.4-5 GCpi :Table 26.11-1 Velocity Pressure Calculations: Velocity pressure qh is calculated in accordance with section 30.3. qh= Velocity pressure @ mean roof height (h) qh = Constant - Kh - Kzt - Kd - V z Where: Constant = Numerical Constant = %-[(Air density lb/cu it) /(32.2 ft/sz )) [( mi/h )( 5280 ft/mi) • (1 hr/3600 s )] 2 = 0.00256 Mean Sea Level = 0.00 it Air Density@MSL = 0.0765 Ib/cuft Occupancy Category = II Exposure Category = C a = 9.50 Zg = 900.00 it Basic Wind Speed = 160.00 mph Mean Roof Height = 14.00 it Kh = Velocity pressure coefficient@ height h - 2.01(Z/Zg)^(2/a)forlSftc=Z<=2g = 2.01 - (15/Zg) ^ (2/a) for Z<15ft = 0.85 Kzt = Topographic factor _ (1+K1 1(2.1<3)' Topography = None Kzt@h = 1.00 Kd = Wind directionality factor = 0.85 qh = 47.29 (psf) (Eq 30.3-1)' (Section C27.3.2) (Table C273-2) (Table 1.5-1) (Section 26.7.3) (Table 26.9-1) (Table 26.9-1) (Figure 26.5-1 A-C) (Table 30.3-1) (Figure 26.8-1) (Table 26.6-1) CREA CONSULTANTS, LLC Project LAKEWOOD PLAZA PARK File 201806 Subject INTERIOR REPAIRS & FASCIA REPAIR Date : 6/6/2018 Location : 5190-5198 TURKPIKE FEEDER ROAD Eng MARCO T. PEREZ P.E. Internal Pressure Coefficient, GCoi. Table 26.11-1 MMMMMM.: : 0.18 I -0.18 _! 60 L 5,0011,000 _1.00_I_ 0.18_ -0.18 External Pressure Coefficient, GCo. Figures 30.4-5 Ifcofl and 30 4-1 Iwallsl Values of GCp for walls were reduced by 10% Design Wind Pressure. P. Equation 30.4.1. •M®®®®®®M 47.29 0.30 -1.00 0.18 -0.18 5.67 22.70 -55.80 -38.78 47.29 0.30 -1.80 0.18 -0.18 5.67 22.70 -93.63 -76.61 © 47.29 0.30 -2.80 0.18 -0.18 -0.18 5.67 22.70 -140.92 -123.89 ® 47.29 Z® - - : 0.18 - - - - 47.29 - - 0.18 -0.18 - - - - 47.29 0.90 -0.99 0.18 -0.18 34.05 51.07 -55.33 -38.30 47.29 0.90 -1.26 0.18 -0.18 34.05 51.07 -68.09 -51.07 Values of external and internal pressures shall be combined algebraically pi+uses GCp+and GCpi+ pi -uses GCp-and GCpi+ p2+uses GCp+and GCpi- p2-uses GCp- andGCpl-