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HVAC UNIT <br />Manufacturer: York <br />Unit Model: YZT36B21S <br />Mark: CU-1 <br />ASCE 7-16 13.1.4: Unit less than 400 lbs and center of mass is located below 4ft from roof. <br />No seismic anchorage required by code. <br />Equipment Information <br />Equip. Weight = 340 lbs. (Complete System Weight - Unit+Curb) <br />Equip. Dimensions =31'' W x 41.5'' D x 39.5'' H <br />Curb Information <br />Curb Dimensions = 31'' W x 41.5'' D <br />Curb Height = 8'' H <br />Seismic Design Force (FP) on Nonstructural Components <br />ASCE 7-16 §13.3.1 <br />Wp 340 lbs <br />Classification:Mechanical Units Elevated on Structural Steel/Sheet Metal Supports <br />ap 2.5 Table 13.6-1 <br />Rp 3 Table 13.6-1 <br />z 1 in §13.3.1 <br />h 1 in §13.3.1 <br />SDS 1.06 US Seismic Design Maps <br />Ip 1.5 §13.1.3 <br />Ω 1.5 Table 13.6-1 <br />Fpmax 1.6SDSIpWp 865 lbs Eq. 13.3-2 <br />Fpmin 0.3SDSIpWp 162 lbs Eq. 13.3-3 <br />Fp 541 lbs Eq. 13.3-1 -Controls <br />Fpv 0.2SDSWp 72 lbs <br />Fp 541 lbs <br />Equipment Photo <br />Anchor Demands <br />Total Weight 340 lbs <br />Fp 541 lbs <br />Fv 72 lbs <br />Zcm 29 in <br />a 31.0 in <br />b 41.5 in <br />LRFD Factored <br />Total Shear 541 lbs Fp/No. of Anchors <br />Short Side <br />Compression 623 lbs [(Fp*Zcm + 1.2Wp*(max(a,b)/2) + Fv*(max(a,b)/2)) / max(a,b)] <br />Tension 266 lbs [(Fp*Zcm - 0.9Wp*(max(a,b)/2) + Fv*(max(a,b)/2)) / max(a,b)] <br />Long Side <br />Compression 752 lbs [(Fp*Zcm + 1.2Wp*(min(a,b)/2) + Fv*(min(a,b)/2)) / min(a,b)] <br />Tension 395 lbs [(Fp*Zcm - 0.9Wp*(min(a,b)/2) + Fv*(min(a,b)/2)) / min(a,b)] <br />ASD Factored <br />Total Shear 378 lbs Fp/No. of Anchors <br />Short Side <br />Compression 463 lbs [(0.7Fp*Zcm + Wp*(max(a,b)/2) + 0.7Fv*(max(a,b)/2)) / max(a,b)] <br />Tension 191 lbs [(0.7Fp*Zcm - 0.6Wp*(max(a,b)/2) + 0.7Fv*(max(a,b)/2)) / max(a,b)] <br />Long Side <br />Compression 554 lbs [(0.7Fp*Zcm + Wp*(min(a,b)/2) + 0.7Fv*(min(a,b)/2)) / min(a,b)] <br />Tension 282 lbs [(0.7Fp*Zcm - 0.6Wp*(min(a,b)/2) + 0.7Fv*(min(a,b)/2)) / min(a,b)] <br />This spreadsheet calculates the demands on the (E) roof system and anchorage of the HVAC Unit. The unit sits on a built-up <br />curb. <br />. <br />  <br /> <br /> <br />1  2  <br />) <br />CHECKED BY <br />SHEET NO. <br />PROJECT NO. <br />CLIENT <br />DATE <br />SUBJECT <br />BYSCE Building C <br />Equipment Anchorage Calculations - HVAC UNIT <br />238143-BLDC <br />01 October 2024 <br />TSW <br />MEP <br />- - <br />Page 24 of 43 <br />1327 S Grand Ave <br />12/12/2024