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r1 <br />u <br />Iror iidge <br />Mr.William Kim <br />XRS Rail, Rool'Flush Mount System - Structural Analysis <br />June 8, 2011 <br />page 2 of 4 <br />1 able 1 - MAXIMUM SPANS - Roof Wind Zone 1 <br />XRS Rail <br />Wind <br />Speed <br />Snow Load <br />0 psi 10 psf 20 psf 30 psf 40 psf 50 psf 60 psf <br />Exposure <br />Category <br />mph <br />90 <br />13'-6" <br />12'-6" <br />10'.6" <br />10'•0" <br />9'-0" <br />8'•6" <br />7'-6" <br />100 <br />13'-6" <br />12'•6" <br />10'-6" <br />10'•0" <br />9'-0" <br />8'-6" <br />7'-6" <br />110 <br />13'-0" <br />12'-6" <br />10'-6" <br />30'•0" <br />9'-0" <br />8'-15" <br />7'-6" <br />Category <br />e <br />120 <br />12'-0' <br />12'-0" <br />10'-6" <br />10'•0" <br />9'-0" <br />8'-6" <br />TV" <br />130 <br />111•0" <br />11'-0" <br />10'-6" <br />10'•0" <br />9'4" <br />8'•6" <br />7•6" <br />140 <br />10'-0" <br />10'-0" <br />10'-0" <br />9'-6" <br />9'-0" <br />8'•6" <br />7'-6" <br />Category <br />150 <br />9'-6" <br />9'41 <br />9'-6" <br />9'-6" <br />8'-6" <br />8'•0" <br />T-6" <br />90 <br />13'-0" <br />12'•6" <br />10'-6" <br />10'.0" <br />9'.0" <br />8'•6" <br />7'-6" <br />100 <br />11'•6" <br />11'-6" <br />10'-6" <br />10'-0" <br />9'-0" <br />8'-6" <br />7'•6" <br />110 <br />11'-0" <br />11'-0" <br />10'4" <br />10'-0" <br />9'-0" <br />8'•6" <br />714" <br />120 <br />10'-0" <br />10'-0" <br />10'-0" <br />9'-6" <br />9"0" <br />8'-0" <br />7'-6" <br />C <br />130 <br />91.6..9 <br />-6 <br />9.6" <br />9 -6 ' <br />8'-6" <br />84" <br />7.6" <br />140 <br />8'-6" <br />8'•6" <br />8'•6" <br />8'•6" <br />8'-6" <br />8'.0" <br />7'-6" <br />150 <br />8'•0" <br />8'-0" <br />8'•0" <br />8'-0" <br />8'-0" <br />T-6" <br />7'7 <br />Note -Tabulated values are based on the following criteria: <br />I. Roof wind zone 1 5.2 in. clear between roorand rail. <br />2, Building mean roof height - 30 A. 6. End cantilever span = 0.40 x adjacent interior span <br />3. Roof slope - 6 in. per 8. 7. No mil splices in end spans <br />4. Solar pane{ long dimension - 67.5 in. 8. No rail splices in the middle 1/3 of interior spans <br />Starting Madison l.ofquist, Inc. Consulting Structural and Forensic Frsgineers <br />-2- <br />t t,b <br />