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Exposure <br />Category <br />B <br />Exposure <br />Category <br />C <br />Exposure <br />Category <br />D <br />13/52 Rail Zone 3 Span Chart <br />Wind Ground Snow Load <br />Speed 0 psf 10 ps#20 psf 30 psf 40 psf 50 psf 60 psf <br />100 7.5 7.5 6.5 6.0 5.5 5.0 4.5 <br />105 7.0 7.0 6.5 6.0 5.5 5.0, 4.5 <br />110 6.5 6.5 6.5 6.0 5.5 5.0 4.5 <br />120 6.0 6.0 6.0 5.5 5.0 4.5 4.5 <br />130 5.5 5.5 ' 5·5 5.5 5.0 4.5 4.5 <br />140;5.0 5.0 5.0 5.0 5.0 4.5 4.5 <br />150 5.0 ' 5.0 1 5.0 5.0 5.0 4.5 4.5 <br />160 4.5 4 4.5 4.5 4.5 4.5 4.5 <br />170 4.0 4.0 4.0 4.0 4.0 4.0 4.0 <br />180 4.0 4.0 4.0 4.0 4.0 40 4.0 <br />Wind Ground Snow Load <br />Speed 0 psf 10 psf 20 psf 30 ps#40 ps·f 50 psf 60 psf <br />100 6.5 6.5 6.5 5.5 5.0 5.0 4.5 <br />105 1 6.0 6.0 6.0 5.5 5.0 '4.5 4.5 <br />110 = 5.5 5.5 5.5 . 5.5 5.0 4.5 4.5 <br />120 5.0 0 5.0 5.0 5.0 5.0 4.5 4.S <br />130 , 5.0 ' 5.0 10 5.0 5.0 4.5 4.5 <br />_140 4.5 4.5 4.5 4.5 4.5 ' 4.5 4.5 <br />150 - 1. .4.0 4.0 4.0 4.0 '_4.0 4.0 4.0 <br />160 4.0 4.0 4.0 4.0 4.0 4.0 4.0 <br />170 3.5 3.5 3.5 3.5 3.5 3.5 , 3.5 <br />180 3.5 3.5 3.5 3.5 3.5 3.5 3.5 <br />Wind Ground Snow Load <br />Speed Opsf 10 psf 20 psf 30 pif 40 psf 50 psf 60 psf <br />100 6.0 6.0 6.0 5.5 5.0 4.5 4.5 <br />105 5.5 5.5 5.5 5.5 L 0 , 4.5 4.5 <br />110 5.0 i 5.0 5.0 5.0 5.0 4.5 4.5 <br />120 5.0 5.0 5.0 60 5.0 4.5 4.5 <br />130 4.5 4.5 4.5 4.5 4.5 4.5 4.5 <br />140 4.0 4.0 4.0 4,0 4.0 '4.0 4.0 <br />150 4.0 4.0 4.0 4.0 4.0 ,4.0 4.0 <br />110 3.5 '3.5 131 3.5 3.5 3.5 35 <br />170 3.5 f 3.5 3.5 3.5 3.5 3.5 3.5 <br />180 ' 3.0 3.0 1 3.0 1 3.0 3.0 3.0 3.0 <br />70 psf 80 psf 90 psf <br />4.0 4.0 3.5 <br />4.0 4.0 3.5 <br />4.0 4.0 3.5 <br />4.0 4.0 3.5 <br />4.0 4.0 3.5 <br />4.0 4.0 3.5 <br />4.0 4.0 3.5 <br />4.0 4.0 3.5 <br />4.0 4.0 3.5 <br />4.0 4.0 3.5 <br />70 psf 80 psf 90 psf <br />4.0 4.0 3.5 <br />4.0 4.0 3.5 <br />4.0 4.0 3.5 <br />4.0 4.0 3.5 <br />4.0 4.0 3.5 <br />40 4.0 3.5 <br />4-0 4.0 3.5 <br />4.0 4.0 3.5 <br />3.5 3.5 3.5 <br />3.5 3.5 3.5 <br />70 psf 80 psf 90 psf <br />4.0 4.0 3.5 <br />4.0 4.0 3.5 <br />4.0 +0 315 <br />4.0 4.0 3.5 <br />4.0 4.0 3.5 <br />4.0 1 4.0 3.5 <br />40 Q 4.0 3.5 <br />3.5 3.5 3.5 <br />3.5 3.5 3.5 <br />3.0 '3.0 - 3.0 <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 11 per ASCE7-10 <br />c. Topographic factor, kzt is 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 <br />-