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D E I PROJECT NAME SHEET# <br /> WILDREED APTS - DECK REPAIRS <br /> DIBBLE ENGINEERS INC PROJECT# DATE <br /> www.dibbleengineers.com 23-107 <br /> toa9 Market Street,Kirkland,WA98033 SUBJECT GUARD RE-ATTACHMENT BY <br /> 425.828.4200 <br /> GUARD DESIGN LOADS: <br /> LINEAR LOAD PER 2018 IBC SECTION 1607.8.1, W= 50 PLF <br /> CONCENTRATED LOAD PER 2018 IBC SECTION 1607.8.1.1, P =200 LBS <br /> L= 9.5' (MAX) <br /> REACTION DUE TO W, Rw= 50 PLF(9.5')/2 = 238 LBS > Rp , Rw GOVERNS ATTACHMENT <br /> REACTION DUE TO P, Rp =200 LBS/2 = 100 LBS <br /> SCREW CAPACITY PER 2018 NDS TABLE 12M: <br /> ► USE (2)#8 x 1.5"WOOD SCREWS @ EACH END PLATE <br /> ► ASSUME 20 GAUGE THICK END PLATE (CONSERVATIVE) <br /> Z-REQUIRED =238 LBS/(2 SCREWS)/(1.6 LOAD DURATION FACTOR) = 74 LBS PER SCREW <br /> Z(ASD) = 89 LBS >Z-REQUIRED, .-. OK@ 83%DCR <br /> RE-USE EXISTING END <br /> PLATES TO RE-ATTACH T/GUARD <br /> EXISTING GUARDRAIL TO <br /> NEW POSTS <br /> c� <br /> � z <br /> X <br /> w <br /> � 2 <br /> U <br /> T/DECK <br /> 00 <br /> o , <br /> 0 <br /> 0 <br />