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STEP VI - DETERMINE FOOING REQUIREMENTS <br />A DETERMINE THE APPLIED WIND LOAD <br />1. SELECT APPROPRIATE TABLE BASED ON GOVERNING CODE USE <br />ASCE 7-02 FOR FBC. <br />2. LOCATE APPROPRIATE COLUMN FOR BASIC WIND SPEED. <br />3. LOCATE APPROPRIATE SECTION FOR WIND EXPOSURE. <br />4. THE NUMBER AT THE INTERSECnON OF THE APPROPRIATE ROW <br />AND COLUMN IS THE APPLIED WIND LOAD TO THE ROOF (MWFRS). <br />UBC Wind Loads <br />Exposure Component <br />El C or D Roe# Sy*rn <br />Oredion of Ba,icWnd Spedl) (WH) <br />Load 70 80 90 100 110 120 <br />Up,413 10 13 15 19 23 27 <br />8000000 <br />IBC, IRC and ASCE 7-02 Wind Loads <br />arecial of Basic Wnd Speed (1841)(3) (4)Exposure Canponent (011 85 90 100 110 120 130 140 150 <br />B Roof System Ulpward 14 16 20 21 25 29 34 39 <br />DowwerdO 0000000 <br />C Rod System 4)WErd <br />Dow-rd <br />Lbw,d :D Roof 0,=lo"• DC.,ward <br />1. Fastest Mile Wind Speed <br />2. Uplift Pressures may be reduced by 25 percent forenclosures less than or equal to 10 feettall <br />3. 3-Second Gust Speed <br />4. Pressures shall be increased by 15 percent for enclosures built in Alaska. <br />0,"5445&80 <br />j <br />91924130364148 <br />00000000 <br />M33137435058 <br />0 0 0 0 0 0 0 0 <br />B. DETERMINE FOOTING REQUIREMENTS FOR DOWNWARD LOADS. <br />1. ALL ENCLOSURES WITH LIVE LOADS GREATER THAN 20 PSF AND <br />SHALL HAVE A CONTINUOUS FOOTING BELOW THE ENCLOSURE <br />WALL. SEE DETAIL G FOR FOOTING REQUIREMENTS. <br />Z <br />2. FOR ENCLOSURES WITH LIVE LOADS LESS THAN OR EQUAL TO 20 <br />PSF, <br />a. USING THE TABLE BELOW, LOCATE THE COLUMN FOR <br />APPLIED ROOF LOAD. <br />b. USING THE TABLE BELOW, LOCATE APPROPRIATE ROW FOR <br />MULLION SPACING AND TRIBUTARY WIDTH TO WALL (USE 0 <br />FOR NON-BEARING WALLS). 2 <br />c. IF THE CELL AT THE INTERSECTION OF THE APPROPRIATE >3 m ECOLUMN AND ROW IS SHADED, A CONTINUOUS FOOTING AS "c ur W <br />SHOWN IN DETAIL G IS REQUIRED.3 21 <br />C. DETERMINE FOOTING REQUIREMENTS FOR UPLIFT LOADS VJ \4 fc)3 <br />1. DETERMINE IF A FOOTING IS REQUIRED <br />J <br />a. USING THE TABLE BELOW, LOCATE THE APPROPRIATE COLUMN FOR THE APPLIED UPLIFT WIND LOAD. <br />b. USING THE TABLE BELOW, LOCATE APPROPRIATE ROW FOR <br />MULLION SPACING AND TRIBUTARY WIDTH TO WALL (USE 0 0.... la <br />FOR NON-BEARING WALLS).CHIC"ID VT <br />c. IF THE CELL AT THE INTERSECTION OF THE APPROPRIATE <br />COLUMN AND ROW IS SHADED, A CONTINUOUS FOOTING AS <br />SHOWN IN DETAIL G IS REQUIRED. <br />E30-7 <br />*EITI 210,22 <br />. <br />. <br />REVISION <br />L--