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USER INPUT: <br />1. Ceiling Type 1/2 ave. Bd. <br />2. Collar Tie Spacing (if any) (ft.) 2 <br />3. Percent of PV Module Coverage over Roof 40 <br />4. Framing Size 2x4@16 <br />5. Ground Snow (psf) R <br />6. Sloped Roof Snow Load (psf) n <br />7. Lag Screw Diameter (inches)5/16 <br />8. Lag Screw Embedment (inches)2.5 <br />9. Overall span (exterior wall to exterior wall) (ft.)64 <br />10. PV System Weight (psf)2.6 <br />11. Sloped Rafter Span (ft.) 6 <br />12. Roofing Material Type Comp. Shinale <br />13. Roof Mean Height (ft.)15 <br />14. Roof Slope (degrees)18 <br />15. Roof Type Truss <br />16. Sloped Ceiling?No <br />17. Standoff Max. Average Horizontal Spacing (ft.)5.33 <br />18. Standoff Max. Average Vertical Spacing (ft.)2.75 <br />19. Staggered Standoffs?Yes <br />20. Wind Exposure Factor C <br />21. Wind Speed (mph)110 <br />22. wr = Weight of RoofType (psf)2.20 <br />23. wra = Weight of Rafter (psf)1.10 <br />24. wc = Weight of CeilingType (psf)2.20 <br />25. wcj = Weight of Ceiling Joists (psf)0.70 <br />26. s = rafter spacing (ft.)1.33 <br />27. PV Orientation Portrait