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•a DAVE <br />STEP IV - DETERMINE ALLOWABLE WIDTH TO PROJECTION RATIO <br />A LOCATE APPROPRIATE TABLE FOR GOVERMiNG CODE USE ASCE 7-02 FOR FBC. ,9:liB LOCATE APPROPRIATE COLUMN FOR BASIC WIND SPEED ,88 0- leD. THE NUMBER AT THE NTERSECTION OF THE COLUMN AN ROW 18 THE MINNUM <br />AUOWABLE ROOF W,DTH TO ROOM PROJECTION RATIO. <br />EXAMPLE <br />GIVEN: <br />IBC. 0§ <br />BASIC WIND SPEED = 90 MPH * <br />ENOSURE C G.EM <br />SOLUTION: · <br />MINIMUM WIC™ TO PRCJECnON TIO= 1.0 <br />™EREFORE. AN ENCLOSURE Wl™ A ROOM PROJECTION OF 10 FEET 84 <br />SHALL HAVE A MINIMUM ROOM WIDTH OF 10 FEET. <br />CBC Allowable Width to Projection Ratios <br />:Expoouro <br />B, C&D <br />Basic Wind Speed(1) (MPH) <br />1 11#g!.i¥ /1 <br />70 80 90 100 110 120 130 <br />1.00 1.50 1.50 1.50 1.75 2.00 2.25 i 'gict! <br />IBC, IRC and ASCE 7-02 Allow. Width to Projection Ratios <br />Basic Wind Speed{1) (MPH) <br />85 90 100 110 120 <br />B 1.50 1.50 1.50 -1.50 1.75 <br />C 1.50 1.50 1.50 1.75 2.00 <br />D 1.50 1.50 1.75 200 2.25 <br />0. 01-31-11 j, <br />CALIJ <br />130 140 <br />1.75 2.25 <br />2.00 2.25 <br />2.25 2.50 <br />STEP V - DETERMINE FASTENERS FOR ATTACHMENT RAIL <br />St1 ilatk <br />A LOCATE APPROPRIATE COLUMN FOR TYPE OF CONSTRUCTION MATERIAL USED FOR EXISTING STRUCTURE , <br />B. LOCATE APPROPRIATE ROW FOR APPUED ROOF LOAD. <br />C. INTERSECTION OF APPROPRIATE ROW AND COLUMN INDICATES THE FASTENER REQUIREMENTS FOR CONNECTING <br />THE ATTACHMENT FWL TO THE EXISTING STRUCTURE <br />D. SPECIAL ENGINEERING REQUIRED FOR ATTACHMENT TO'SINGLE COAT STUCCO SYSTEMS. <br />0 <br />FASTENERS FOR CONNECTING ATTACHMENT FWL TO EXISnNG STRUCTURE . <br />Applied <br />Rod Load <br />(PSO <br />les,Thm <br />or Equal to <br />25 <br />Le. Th- <br />or Equal to <br />40 <br />Stud Wai <br />Sp Gr = 0.042 or greater <br />Two 5/16 Dlam Lag Scravi @ 16 o.c <br />2.6' min. embed [r,to solid wood. <br />Two &15• DI,n Lag Seren a 12- o.c <br />2.5- min. embed Tr,to sond wood. <br />F UAWS .1Concret'I #51 - A UL. <br />1 11011 (tallo'T.03/8' Dim HBO KBTZ \(lw \It/ 426·3'311 11@ 16' 0.0 <br />r mdn. embed. \a*K / <br />Two 3/8- Otam Hiti KB-TZ \ae,4;2.-=-Ll·-·00-09 <br />. 12 o.a <br />ritc 1,6 <br />7 mh embed <br />/ 2% <br />C m <br />§% <br />(7 8 <br />g <br />5 <br />9 <br />-A- ./ <br />V.T. <br />OATI <br />SCAL* <br />- .0 <br />mt/TI 7 0.21 <br />1 <br />. <br />Re•SON