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Lateral Analysis: CARRIER 50VT-C24, Weight = 311 # <br />(Between Unit & Curb Adapter) RTU - 6 <br />Seismic Design: <br />FP = {(0.4 aP Sos )x(1 + 2z/h)xWp)/(Rp/Ip) = 0.54 WP <br />FP,,A,, = 1.6 Sps 1p Wp = 1.73 Wp (Equation 13.3-2) <br />FP MIN = 0.3 SpS IPWP = 0.33 Wp (Equation 13.3-3) <br />Horizontal Force: FP = QE = 0.54 W = 194 lbs. <br />Vertical Force: E„ = (±) 0.2 SDS W = 78 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 = 360.0 lbs. <br />Mean Roof Height (h): 20.0 ft. Comp. Attachment Height (z): 20.0 CGravity <br />Ground Motion: SMs = Fa*Ss = 1.625 SpS = (2/3)*SMS = 1.083 <br />ASCE7-16, 2.4.5 8. 1.OD + 0.7E„ + 0.7Eh from Eh = p QE= 194lbs <br />9. 1.OD + 0.525E + 0.525Eh+ 0.75L + 0.75S <br />10. 0.6D - 0.7E + 0.7Eh Mech Unit: W = 32.600 in. L= 48.200 in. (L>H = 47.800 in. C.G. = 25.000 in. Ce <br />Weight = 360.00 lbs.( Unit Weight + Misc) <br />0.7 Eh = 136 lbs. <br />Check Overturning (ASD) : <br />T, = C, = 0.7 [Eh* (C.G.) + (E /2)]/ 38.5" = 89 lbs.---> No Uplift <br />T2 = C2 = 0.7 [Eh* (C.G.) + (E /2)]/ 26" = 132 lbs.---> Uplift <br />EQ 8 & 9: 1.01) = 1.0 (Wp/2) = 180 lbs. TV*T� <br />EQ 10: 0.6D = 0.6 (Wp/2) = 108 lbs. <br />(ASCE 7-16 Section 2.4.5 Basic Combination with Seismic Load Effects 8.9.10.) <br />Wind Design: Exposure'B', 110 mph, 30 ft (Max. Height) <br />qZ = 0.00256(KZ)(Kn)(Kd)(Ke) V2 = 21.68 psf > 16 psf. : Eq. 26.10-1 <br />KZ = 0.70 : Velocity presure exposure coefficient per ASCE 7-16 Table 26.10-1 <br />Krt = 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 ll) per ASCE 7-16 Figure 26.5-1 B <br />Fh = qZ (GCS) Af: (Horiz: GCS = 1.9) : Eq.29.4-2 & F = qZ (GCS) A,: (Vertical Uplift: GCr = 1.5) : Eq. 29.4-3 <br />ASCE7-16, 2.4.1 5. 1.01D + 0.6W <br />6. 1.01) + 0.75L + 0.75(0.6W) + 0.75 (Lr or S or R) <br />7. 0.613 + 0.6W <br />Check Overturning (ASD) : <br />(ASD) : Fh, = 0.6x(Fh) (WxH) = 267 lbs. it <br />T, = C, = 0.6x(F )x[W*H2/2] / 38.5" = 131 lbs.---> Uplift <br />(ASD) : Fh2 = 0.6x(Fh) (LxH) = 395 lbs. <br />T2 = C2 = 0.6x(F )x[L*H2/2] / 26" = 287 lbs.---> Uplift •-T= Mlvr- <br />EQ 5 & 6: 1.0D = 1.0 (Wp/2) _ 180 lbs. <br />EQ 7: 0.6D = 0.6 (Wp/2) _r <br />�'i• 108 lbs. <br />(ASCE 7-16 Section 2.4.1 Basicnation with Wind Load Effects 5.6.7.) <br />I' V* <br />C-47)cl7r-t:��� <br />