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CITY OF SANTA ANA <br />Project: Muir Chase Plumbing Santa ngfagdbr$g m24WM3ig Agency <br />F a Date: 7/29/2 24 Engineer: PZSE <br />ANCHOR PLATE CAPACITY CALCULATION Approved <br />FOR PERMIT ISSUANCE <br />Note: The anchors are proportioned by first determining the ASD capacity of the anchor. <br />To determine the number of anchors required for each array, the anchorage demand is divided by th <br />anchor capacity to determine the minimum number of anchors for that array. Master ID: <br />Date: <br />Description Value Unit (AS E 7-16) <br />Basic Info <br />............................................................................................................................................................................................................................................................................................................................................................................................ ......... ...... ............... ........_ <br />Anchor type: U-Anchor 2400 (mechanically attached) <br />Design Uplift Capacity 505 Ibs <br />Design Lateral Capacity 820 Ibs <br />Roof Deck Material 1/2" Plywood deck <br />Fasteners #12 Wood Screws <br />Metal Anchor Capacity <br />.................................................................................................................o..... 0000000000000000000............................................................................................................................000000000000000000.............-................................ .....ee...................................................................... <br />Anchor Plate Test Values: <br />Anchor Plate tension load (Ult.) 1211 Ibs <br />Anchor Plate shear load (Ult.) 1968 Ibs <br />Factor of Safety = 2.4 <br />Anchor Plate ASD tension capacity 505 <br />Anchor Plate ASD shear capacity 820 <br />Plywood Connection Capacity <br />............................................................................................................................................................................................................................................................................................................................................................................................... ......... ...... ............... ........_ <br />Screw Test Values: <br />Wood screw number: <br />Diameter of Screw = <br />Minimum Embedment = <br />Withdrawal tension capacity = <br />Shear Capacity= <br />Duration factor (wind) _ <br />Factor of Safety = <br />Screws per conn. point = <br />#12 <br />0.22 inch <br />0.50 inch <br />315 Ibs (APA E830) <br />590 Ibs (APA E830) <br />1.6 (NDS Table 2.3.2) <br />3 <br />8 <br />Tension Check <br />Connection Capacity = No. screws per conn. x screw capacity x Duration factor <br />Connection Tension Capacity = 1344 Ibs <br />Shear Check <br />Connection Capacity = No. screws per conn. x screw capacity x Duration factor <br />Connection Shear Capacity = 2517 Ibs <br />Page 4 of 20 <br />