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13/52 Rail Zone 1 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 10.0 .8.5 .7.0 6.0 5.5 .5.0 4.5 4.0 4.0 3.5 <br />105 10.0 - 8.5 - 1 -7.0 -16.0 5.5 :5.0 4.5 4.0 4.0 -3.5 <br />110 10.0 8.5_.. 7.0 6.0 5.5 5.0 4.5 4.0 '4.0 3.5 <br />120 10.0 8.5 -: 7.0 6.0- 3 --5.5 5.0 ' 4.5 4.0 - -4.0- - 3.5 <br />Category ' 130 9,5 8.5 . ..7.0 6.0 5.5 5.0 4.5 =4.0 - --4.0 - 3.5 <br />8 ' 140 9.0-8.5 '7.0 6.0-5.5 - , 5.0 ,4.5 4.0-4.0. _3.5 <br />£ 150 8.0 8.0 7.0 6.0 5.5 5.0 4.5 4.0 4.0 3.5 <br />160 7.5 7.5 :6.5 6.0 5.5 5.0 4.5 4.0 4.0 3.5 <br />170 7.0 7.0 6.5 6.0 5.5 5.0 4.5 4.0 4.0 3.5 <br />180 7.0 7.0 6.5 6.0 .5.5 5.0 4.5 4.0 4.0 3.5 <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 10.0 8.5 7.0 6.0 5.5 5.0 ' 4.5 4.0 4.0 3.5 <br />105 ,10.0 8.5 7.0 6.0 5.5 5.0 4.5 4.0 4.0 3.5 <br />110 9.5 8.5 7.0 6.0 5.5 5.0 4.5 4.0 4.0 3.5 <br />120 9.0 8.5 7.0 6.0 5.5 5.0 4.5 4.0 4.0 ' 3.5 <br />Category 130 -8.0 8.0 7.0 6.0 5.5 5.0 4.5 4.0 4.0 3.5 <br />C 140 7.5 7.5 7.0 6.0 5.5 5.0 4.5 4.0 4.0 3.5 <br />150 7.0 7.0 6.5 6.0 5.5 5.0 4.5 4.0 4.0 3.5 <br /> 160 -6.5 6.5 6.5 5.5 - 5.0 5.0 4.5 4.0 4.0 3.5 <br />170 6.0 6.0 6.0 5.5 5.0 5.0 4.5 4.0 4.0 3.5 <br />180 6.0 6.0 6.0 5.5 5.0 4.5 4.5 4.0 4.0 3.5 <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 10.0 8.5 7.0 6.0 5.5 5.0 4.5 4.0 4.0 3.5 <br />105 9.5 8.5 7.0 6.0 5.5 5.0 4.5 ,4.0 4.0 3.5 <br />110 9.0 8.5 7.0 6.0 5.5 5.0 4.5 4.0 4.0 3.5 <br />120 8.5 8.0 7.0 6.0 5.5 5.0 4.5 4.0 4.0 3.5 <br />Category 130 7.5 7.5 7.0 6.0 5.5 50 4.5 4.0 4.0 3.5 <br />D 140 7.0 7.0 6.5 6.0 5.5 5.0 4.5 4.0 4.0 3.5 <br />150 6.5 6.5 6.5 6.0 5.5 5.0 .4.5 4.0 4.0 3.5 <br />160 6.0 6.0 6.0 5.5 5.0 4.5 4.5 4.0 -4.0 3.5 <br />170 '5.5 5.5 5.5 5.5 5.0 4,5 4.5 4.0 4.0 3.5 <br />180 5.5 5.5 5.5 5.5 5.0 4.5 4.5 40 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, I<zt 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