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Kingworks <br />CONSULTING ENGINEERS <br />600 Dupont St * Ste B <br />Bellingham, WA 98225 <br />360-714-8260 www.king-works.com <br />JOB TITLE POE Marina Village RTU <br />Structural Calculations <br />JOB NO. 221 UU SHEET NO. <br />CALCULATED BY ,JT DATE 5/18/22 <br />CHECKED BY DATE <br />Calculate Wind and Seismic Anchorage Capacity <br />Worst Case Demand from Previous Calculations <br />Uplift = 179 Ibs [ASD] <br />Shear = 629 Ibs [ASD] <br />Anchorage From Unit to Curb Adaptor <br />Curb Adapter Gauge = <br />18 <br />Gauge <br />Screws Size = <br />#8 <br />Screw Shear Capacity = <br />195 <br />Ibs [ASD] <br /># of screws resisting uplift = <br />4 <br />screws <br />Uplift Capacity = <br />780 Ibs <br />> 179 Ibs OK! <br /># Screws Resisting Shear = <br />6 <br />screws <br />Shear Capacity = <br />1170 Ibs <br />> 629 Ibs OK! <br />Anchorage from Curb Adapter to Existing Curb APPENDIX: Info From POE <br />Existing Curb Gauge = 18 <br />Gauge (assumed) <br />Screws Size = <br />#8 <br />Screw Shear Capacity = <br />195 <br />Ibs [ASD] <br /># of screws resisting uplift = <br />4 <br />screws <br />Uplift Capacity = <br />780 Ibs <br />> 179 Ibs OK! <br /># Screws Resisting Shear = <br />4 <br />screws <br />Shear Capacity = <br />780 Ibs <br />> 629 Ibs OK! <br />Anchorage of Existing Curb to Wood Framing <br />Existing Wood Grade = <br />Doug fir <br />Screw Size = <br />#12 <br />Screw Length = <br />3 <br />Screw Shear Capacity (Z') = <br />144 Ibs <br /># Screws Resisting Shear = <br />4 <br />Shear Capacity = <br />576 Ibs <br />Screw withdrawal capacity (W) = <br />739.2 Ibs <br /># Screws Resisting uplift = <br />2 <br />Uplift Capacity = <br />1478.4 Ibs <br />(Per existing Drawings) <br />in <br />(ASD) <br />screws <br />> 629lbs OK! <br />screws <br />> 179lbs OK! <br />Connection is OK for Uplift and Shear! <br />Page 7 of 24 <br />