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13/52 Rail Zone 2 Span Chart <br />Wind Ground Snow Load <br />Exposure <br />Speed 0 psf 10 psf 20 psf 30 psf 40 psf 50 psf 60 psf 70 psf 80 psf 90 psf <br />100 9.5 8.5 7.0 *6.0 5.5 5.0 4.5 4.0 4.0 3.5 <br />105 .9.0 8.5 7.0 6.0 5.5 5.0 4.5 4.0 4.0 3.5 <br />110 8.5 8.0 7.0 ,6.0 5.5 5.0 ,0 4.5 4.0 4.0 3.5 <br />120 '' 7.5 7.5 7.0 6.0 5.5 5.0 1 4.5 4.0 4.0 3.5 <br />Category 130 -D -7.0 7.0 6.5 -6.0 5.5 1 5.0 .4.5 4.0 4.0 3.5 <br />8 140 '6.5 6.5 6.5 5.5 5.0 5.0 E 4.5 4.0 4.0 3.5 <br />150 J 6.0 6.0 '6.0 '5.5 5.0 4.5 - 4.5 4.0 4.0 '3.5 <br />160 u 2 5.5 .5.5 - . 5.5 0 .5.5 ..5.0 _ ; 4.5 1 4.5 4.0 '4.0 3.5 <br />170 1 5.0 5.0 5.0 5.0 5.0 4.5 4.5 4.0 4.0 3.5 <br />180 5.0 5.0 5.0 5.0 5.0 ,4.5 4.5 7.0 '4.0 3.5 <br />Wind Ground how load <br />Exposure <br />5peed 0 psf 10 psf 20 psf 30 psf 40 psf 50 psf 60 psf 70 psf 80 psf 90 psf <br />100 8.0 8.0 7.0 6.0 5.5 5.0 4.5 '4.0 4.0 3.5 <br />105 7.5 7.5 7.0 6.0 5.5 5.0 f 4.5 4.0 4.0 3.5 <br />110 7.5 7.5 6.5 6.0 5.5 5.0 4.5 - 4.0 4.0 3.5 <br />- 120 6.5 6.5 -6.5 6.0 5.5 5.0 ,4.5 4.0 4.0 3.5 <br />Category 130 6.0 6.0 6.0 5.5 5.0 4.5 4.5 4.0 4.0 3.5 <br />C 140 5.5 5.5 5.5 5.5 5.0 4.5 ,4.5 4.0 4.0 3.5 <br />150 5.0 5.0 5.0 5.0 5.0 4.5 4.5 4.0 4.0 3.5 <br />160 5.0 5.0 5.0 5.0 5.0 4.5 4.5 4.0 4.0 3.5 <br />170 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.0 4.0 3.5 <br />180 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.0 4.0 3.5 <br />Wind Ground Snow load <br />Exposure <br />5peed 0 psf 10 psf 20 psf 30 psf 40 psf 50 psf 60 psf 70 psf 80 psf 90 psf <br />100 7.5 7.5 6.5 6.0 5.5 5.0 4.5 4.0 4.0 3.5 <br />105 7.0 7.0 6.5 6.0 5.5 5.0 4.5 4.0 4.0 3.5 <br />110 6.5 6.5 6.5 6.0 5.5 5.0 4.5 4.0 4.0 3.5 <br />120 6.0 6.0 6.0 5.5 5.0 4.5 4.5 4.0 4.0 3.5 <br />Category 130 5.5 5.5 5.5 55 5.0 4.5 4.5 4.0 4.0 3.5 <br />D 140 5.0 5.0 5.0 5.0 5.0 4.5 4.5 4.0 4.0 3.5 <br />150 5.0 5.0 5.0 5.0 5.0 4.5 4.5 4.0 4.0 3.5 <br />160 4.5 4.5 4.5 4.5 4.5 4.5 4.5 4.0 4.0 3.5 <br />170 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 4.0 3.5 <br />180 4.0 4.0 '4.0 4.0 4.0 4.0 4.0 4.0 4.0 3.5 <br />a. The table above ONLY includes 13-52 rail capacity check. It does not include <br />roof attachment or roof capacity check <br />b. Wind risk category Il per ASCE7-10 <br />c. Topographic factor, kztis 1.0 <br />d. Maximum mean roof height is 60 ft. <br />e. Average parapet height is 0 ft <br />f. Roof pitch is between 7 degree and 27 degree <br />g. Maximum solar panel weight is 50 lbs <br />h. Height of solar panel is between 2" and 10" to roof