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United Facilities Criteria CD 1
> Commentary On Snow Loads - index
Commentary On Snow Loads - index
Commentary On Snow Loads
Icicles and Ice Dams
Figure 1. The peak snow load of this drift was 130 psf
Figure 2. Snow Drifts and Their Consequences.
Figure 3. Unbalanced Snow Loads On Loads On Saw-Tooh Root
Figure 4. Orienting Building With Respecr to the Known Direction Of Winter Storm Winds
Figure 5. Snow Sliding Off A Metal Roof
Figure 6. Army Van Damaged by Snow And Ice that Feel from A Roof
Figure 7. The Creep And Glide Of Snow Down A Slippery Roof Can Create Dangerous Cornices.
Figure 8. Plumbing Stack Displaced by Snow Creeping Down a Slippery Metal Roof.
Figure 9. Tear in Metal Roofing Caused by the Plumbing Stack Displacements Shown in Figure 8.
Figure 10. Parapet Capstone Dispaced by Snow Moving Down The Adjacent Roof Valley
Figure 11. Metal Roof Fascia Torn by Moving Snow.
Figure 12. Metal Standing Seams Broken And Displaced by Snow Moving A Valley.
Figure 13. Plan View Of A Gable - Roofed Building Showing Some Sliding Snow Issues
Figure 14. Snow Creep Can Create Cornices That Cause Several Problems
Figure 15. Electrical Service Entrance Cables Should not be Located Below Cold Eaves.
Figure 16. Scuppers Are Often not Appropriate as Primary Drains for low Slope roofs in Cold Regions
Figure 17. Massive icings along a metal roof over a warm attic.
Figure 18. When A Cold Eave Is Not Present, Ice May Form on Building Walls
Figure 19. Removal of Snow And Ice Is Dangerous And Often Damages The Roof.
Figure 20. Elecrtic Heaters Can Create Tunnels Which Prevent Ponds From Forming on Roofs Behind Ice Dams
Figure 21. Elecrtic Heaters Zigzagged Along the Eaves
Figure 22. Fence type snow guards installed on a metal roof.
Figure 23. Plastic snow guards adhered to a metal roof.
Figure 24. Two Rows Aluminum Angle Snow Guards Spaced Well Apart Up a Metal Roof
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