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� � <br /> , MEMORANDUM <br /> Page 3 <br /> NBBJ Arz�iteuure Oesipn Plonninq <br /> 11I SoWh ladson Sueet Seotlk,Woihinpion 98101 1t06)t13�S55S Fo�110616Y1�7300 <br /> � �: <br /> (Table No5-B) <br /> A-2/A-3 � N <br /> A-3/B•2 = N <br /> B-2/A-2 = lhr <br /> 503(b)oec,sep.horiz&/or veR.,for poav'ble B-1 puking levels,(2)below t6e theatu. <br /> B-1/A-2 � ?Lr aect.503(d)exxpl.l. <br /> B-1/A-3 = ?Ju eat.503(d)e�ept. 1. <br /> B-1/B-2 � ihr <br /> Qpeniea Protedion&Euerior Wall Cooswdion: <br /> 'lype of Coostroctioc <br /> 7�pe II-1br <br /> E�aior Wdl Caudsctlor. <br /> Sec.1903(a)Euuior Walls,exoept.l:North,South&East walls may be unprotected,(pub6c way or yards <br /> having width of,0 feet a mwe). <br /> Table 17A:West wall to be Ihr. <br /> OPn�o�sc <br /> Tibk 5-A:is gceater than lOft[rom cu.line of rig6t of way <br /> A-2,A-3&B•2 openinga may be unprotected if t6ey aro IOh or moro from an adjaxnt property line or thc <br /> antu line ot a public way,(SeatUe Buildiog Code ameodments have dropped"xnter'and inserted'opposite", <br /> for it to read oppocite line of a public way). <br /> 7be rake of the Evttett Thata auditorium tloor requircs uairs. Per sedion 3315(g)of tbe'91 UBC handrails <br /> are rcquired u uepped aieks with fued seata. The handraila can either be centered in the aislo or at the side. <br /> We interpret the code to requ've handrails on one side only et the aisles that have seats on boeh aides. With the <br /> prueot aat layout the handnila would be 17 long allowing for a spax betoveen each rail at the seat to be <br /> 1T,(this clearance is measured Gom t6e back o(the front chair to bottom of the xat in the up p�idoq of the <br /> eh�ir be6ind). Plwe confirm thu this space bet�veen rails u aeaptable. The sido aislca have a low well <br /> adjaant to t6em to w6ich a continnous handrail can be ett�ched,satiaCying the handr�il requircment. The'88 <br /> UBC does not requ've handrails on uepped aisles. Seattle hu deleted requirement with Exaption 1,3315(g). <br /> please confirm tLet Everett Public works will require the use of handrails at these lacatioos. <br /> 9/90 <br />