Laserfiche WebLink
Lateral Analysis: CARRIER 50GCQM05, Weight = 610 # <br />(Between Unit & Curb Adapter) RTU - 2 <br />Seismic Desian: <br />FP = ((0.4 ap Sos )x(1 + 2z/h)xWp)/(Rp/lp) = 0.54 WP <br />Fp N,, = 1.6 Sps Ip Wp = 1.73 Wp (Equation 13.3-2) <br />Fp MIN = 0.3 S, I Wp = 0.33 Wp (Equation 13.3-3) <br />Horizontal Force: Fp = QE = 0.54 W = 346 lbs. <br />Vertical Force: E„ = W 0.2 SoS W = 139 lbs. <br />From ASCE 7-16 Table 13.6-1: ap = 2.5 RP = 6.0 p = 1.0 <br />Ip= 1.0 per ASCE 7-16 Section 13.1.3 Wp = 640.0 lbs. <br />Mean Roof Height (h): 20.0 ft. Comp. Attachment Height (z): 20.0 ft. <br />Ground Motion: SMs = Fa*Ss = 1.625 Sos = (2/3)*SMs = 1.083 <br />ASCE7-16, 2.4.5 8. 1.01) + 0.7E„ + 0.7Eh from Eh = pQE= 346 lbs. <br />9. 1.01) + 0.525E„ + 0.525Eh + 0.75L + 0.75S <br />10. 0.61) - 0.7E„ + 0.7Eh <br />Mech Unit: W = 46.600 in. L = 74.400 in. (L>W) <br />H = 41.400 in. C.G. = 16.500 in. Ce r o ravity <br />Weight = 640.00 lbs.( Unit Weight + Misc) <br />0.7 Eh = 242 lbs. <br />Check Overturning (ASD) : <br />T = C = 0.7 E * C.G. + E /2 / 70.9" = 57 lbs.---> N Uplift <br />[ n ( ) ( )] P <br />TZ = CZ = 0.7 [Eh* (C.G.) + (E,/2)]/ 40.6" = 100 lbs.---> N Uplift j <br />EQ 8 & 9: 1.0D = 1.0 (Wp/2) = 320 lbs. 1 <br />EQ 10: 0.6D = 0.6 (Wp/2) = 192 lbs. -- • � <br />(ASCE 7-16 Section 2.4.5 Basic Combination with Seismic Load ects .9.10.) i <br />Wind Design: Exposure 'B', 110 mph, 30 ft (Max. Height) <br />qZ = 0.00256(KZ)(Ke)(Kd)(Ke) V2 = 21.68 psf > 16 psf. : Eq. w , <br />KZ = 0.70 : Velocity presure exposure coefficient per ASCE 7-16 Table 26. <br />Kt = 1.00 : Topographic factor per ASCE 7-16 Section 26.8.2 <br />Kd = 0.85 : Wind directionality factor, per ASCE 7-16 Table 26.6-1 (roof top equipment) <br />Ke = 1.00 : Ground elevation factor, per ASCE 7-16 Section 26.9. <br />V = 110.00 : Basic wind speeds (Risk Category II) per ASCE 7-16 Figure 26.5-1 B <br />Fh = qZ (GCr) Af: (Horiz: GCr = 1.9) : Eq.29.4-2 & F = qz (GCr) Ar : (Vertical Uplift: GCr = 1.5) : Eq. 29.4-3 <br />ASCE7-16, 2.4.1 5. 1.01) + 0.6W <br />6. 1.01) + 0.75L + 0.75(0.6W) + 0.75 (Lr or S or R) <br />7. 0.61) + 0.6W <br />Check Overturning (ASD) : <br />(ASD) : Fhi = 0.6x(Fh) (WxH) = 331 lbs. <br />Ti = C, = 0.6x(F )x[W*H2/2] / 70.9" = 76 lbs.---> No Uplift <br />(ASD) : Fhz = 0.6x(Fh) (LxH) = 529 lbs. <br />T2 = C2 = 0.6x(F )x[L*HZ/2] / 40.6" = 213 lbs.---> Uplift TAky = <br />EQ 5 & 6: 1.01) = 1.0 (Wp/2) = 320 lbs. <br />EQ 7: 0.61) = 0.6 (Wp/2) = 192 lbs. <br />(ASCE 7-16 S ction 2.4.1 Basic Combination with Wind L d Effect 5.6-7 ) <br />J <br />