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Lateral Analysis: CARRIER 50VT-C24, Weight = 311 # <br />Seismic Design: (Between Adapter Curb & Exist Curb) RTU-6 <br />Fp = {(0.4 ap SIDS )x(1 + 2z/h)xWp}/(Rp/lp) = 0.54 WP <br />FP MAX = 1.6 SIDS IP WP = 1.73 Wp (Equation 13.3-2) <br />F = n i Q__ I IN = n 44 \A/ (Fni intinn 13 3_3\ <br />p MIN <br />Horizontal Force: <br />Vertical Force: <br />From ASCE 7-16 Table 13.6-1: ap = 2.5 R, = 6.0 <br />p = <br />1.0 <br />Ip= <br />1.0 per ASCE 7-16 Section 13.1.3 Wp = <br />490.0 <br />lbs. <br />Mean Roof Height (h): <br />20.0 ft. Comp. Attachment Height (z): 20.0 <br />ft. <br />Ground Motion: <br />Sons = Fa*Ss = 1.625 SoS = (2/3)*SMS = 1.083 <br />ASCE7-16, 2.4.5 8. <br />1.013 + 0.7E„ + 0.7Eh from Eh = pQE= 265 <br />lbs. <br />9. <br />1.01) + 0.525E + 0.525Eh + 0.751L + 0.75S <br />10. <br />0.61) - 0.7E„ + 0.7Eh <br />Mech Unit: W = <br />32.600 in. Adapter Curb: W, = <br />39.500 <br />in. <br />L = <br />48.200 in. (L>W) L, = <br />65.500 <br />in. <br />H = <br />47.800 in. H, = <br />12.000 <br />in. <br />C.G. = <br />25.000 in. Center of Gravity Curb Weight = <br />130.00 <br />lb. <br />Weight = <br />360.00 lbs.( Unit Weight + Misc) <br />0.7 Eh = 185 lbs. C.G. adj, = 28.776 in. Center of�Gravity <br />- <br />Check Overturning (ASD) : ! - <br />T, = C, = 0.7 [Eh* (C.G.) + (E /2)]/ 66.3" = 81 lbs.---> No Uplift <br />T2 = C2= 0.7 [Eh* (C.G.) + (E,/2)]/ 40.5" = 133 lbs.---> No Uplift <br />EQ 8 & 9: 1.013 = 1.0 (Wp/2) = 245 lbs. <br />EQ 10: 0.613 = 0.6 (Wp/2) = 147 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)(K�,)(Kd)(Ke) VZ = 21.68 psf > 16 psf. : Eq. 0-1 <br />KZ = 0.70 : Velocity presure exposure coefficient per ASCE 7-16 Table 26. 0-1t . <br />K,t = 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 (GCr) Af : (Horiz: GCr = 1.9) : Eq.29.4-2 & F = qZ (GCr) A,: (Vertical Uplift: GCr = 1.5) : Eq. 29.4-3 <br />Check Overturning (ASD) : <br />Fh, = 0.6x(Fh) (W*H + W,H,) = 349 lbs. <br />T, = C, = 0.6xF x[(W*H*(H/2+H,)+W,*H,2/2] / 66.3" = 120 lbs.---> No Uplift <br />Fh2 = 0.6x(Fh) (L*H + L,H,) = 530 lbs. <br />T2 = C2 = 0.6xF x[(L*H*(H/2+H,)+L,*H,2/2] / 40.5" = 293 lbs.---> Uplift <br />EQ 5 & 6: 1.OD = 1.0 (Wp/2) = 245 lbs. <br />EQ 7: 0.613 = 0.6 (Wp/2) = 147 lbs. <br />(ASCE 7-16 Section 2.4.5 Basic Combination with Seismic Load Effeectsj�. 77.) '-`� <br />