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Base Mounted Equipment Anchorage Design - SEISMIC <br />ASCE 7-16, Ch. 13 Unit Identification: <br />Wp =1481 lbs unit weight <br />B = 20.00 in unit width <br />dB dir anchors = 9.20 in dist btwn anchors (B dir.) <br />L = 36.00 in unit length <br />dL dir anchors = 33.60 in dist btwn anchors (L dir.) <br />HUNIT =36.00 in unit height <br />HCG_EQUIP =33.20 in center of gravity height (equip) <br />HCURB =0.00 in curb height <br />HCG =33.20 in (includes curb height) <br />ap and Rp obtained from ASCE 7-16, Tables 13.5-1 and 13.6-1 <br />ap =1.00 Rp =1.50 Ip =1.50 SDS =1.043 <br />z = 0.00 ft h = 30.00 ft Ωo = 2.0 <br />Fp = (0.4[(ap)(SDS)(Ip)(1+2(z/h)]/Rp) x Wp =0.417 Wp Fv = 0.2(SDS)Wp =0.209 Wp <br />Fp-MIN = 0.3(SDS)(Ip) x Wp =0.469 Wp <br />Fp-MAX = 1.6(SDS)(Ip) x (Wp) =2.503 Wp <br />Fp = Vh = 695 lbs 0.7Fp = Vh= 487 lbs <br />Fv = Vv = 309 lbs 0.7Fv = Vv = 216 lbs <br />Unit Anchorage: <br />Fp in "B" Direction <br /># connections shear 4 <br /># connections tension 2 <br />MOT = VhHCG = 1923 lb-ft MOT = ΩVhHCG = 3846 lb-ft MOT = VhHCG =1346 lb-ft <br />MR= (0.9-0.2Sds)Wp(B/2) = 853 lb-ft MR = (0.9-0.2Sds)Wp(B/2) = 853 lb-ft MR = (0.6-0.14Sds)Wp(B/2) = 560 lb-ft <br />T = (MOT - MR) / dB = 1395 lbs T = (MOT - MR) / dB = 3904 lbs T = (MOT - MR) / dB = 1025 lbs <br />Tconn = T / # conn tension = 698 lbs Tconn = T / # conn tension = 1952 lbs Tconn = T / # conn tension = 513 lbs <br />Vconn = Vh / # conn shear = 174 lbs Vconn = ΩVh / # conn shear = 348 lbs Vconn = Vh / # conn shear = 122 lbs <br />Fp in "L" Direction <br /># connections shear 4 <br /># connections tension 2 <br />MOT = VhHCG = 1923 lb-ft MOT = ΩVhHCG = 3846 lb-ft MOT = VhHCG =1346 lb-ft <br />MR= (0.9-0.2Sds)Wp(L/2) = 1536 lb-ft MR = (0.9-0.2Sds)Wp(L/2) = 1536 lb-ft MR = (0.6-0.14Sds)Wp(L/2) = 1009 lb-ft <br />T = (MOT - MR) / dL = 138 lbs T = (MOT - MR) / dL = 825 lbs T = (MOT - MR) / dL = 121 lbs <br />Tconn = T / # conn tension = 69 lbs Tconn = T / # conn tension = 413 lbs Tconn = T / # conn tension = 60 lbs <br />Vconn = Vh / # conn shear = 174 lbs Vconn = ΩVh / # conn shear = 348 lbs Vconn = Vh / # conn shear = 122 lbs <br />Max Connection Forces: <br />Tmax = 698 lbs Tmax = 1952 lbs Tmax = 513 lbs <br />Vmax = 174 lbs Vmax = 348 lbs Vmax = 122 lbs <br />Connection/Anchorage Notes: <br />Patient Table <br />(Includes 500# patient) <br />STRENGTH @ 1.0E STRENGTH @ ΩSERVICE <br />STRENGTH SERVICE <br />Anchor unit w/ 2 connections per short side, 2 per long side, 4 total. <br />- Each connection is (1) 5/8" diameter Hilti KB-TZ w/ 4" embed. <br />- See attached Hilti output for anchor calcs <br />- 5/8"Ø Hilti KB-TZ2: Va = 263lbs, Ta = 109lbs. <br />STRENGTH @ 1.0E STRENGTH @ ΩSERVICE <br />STRENGTH @ 1.0E STRENGTH @ ΩSERVICE <br />HCURB <br />HUNIT <br />HCG <br />L <br />B <br />B/2 <br />±Fp <br />±Fp <br />W±Fv <br />28 1401 N Tustin Ave Unit# <br />170 - TI1/27/2025