Roof Plan

Checklist

1. Indication of north.
2. Column line designations.
3. Overall dimensions of building or roof surface (may be shown as "plus or minus").
4. Dimensions of Overhangs and Canopies (may be shown as "plus or minus").
5. Slope of roof, high and low points, ridges and valleys, crickets, cant strips, changes in plane, etc.
   1. Coordinate the location of Roof Slopes shown on Roof Plan with Framing Plans.
   2. Slope of Roofing shall not be less than 1/8" per foot at any part of Roof.
6. Gutters and Leaders.
7. Relief Scuppers (on all roofs with Parapets and where a build-up of water could occur if Roof Drains do not perform as designed).
   1. Check that Roof Structure is capable of supporting water "build-up" if drains become inoperative. Coordinate heights of "run-off" or Relief Scuppers with allowable "build-up."
8. Expansion Joints and Area Dividers - Investigate the use of Joints or Dividers when the following conditions exist: (may vary slightly for other than "build-up roofing systems").
   1. Small mass connected to a large mass.
   2. New construction connected to existing construction.
   3. Change in direction of framing or deck.
   4. Continuous mass exceeding 200 feet.
   5. Refer to National Roofing Contractors Association Recommendations "Hand book of Accepted Roofing Knowledge."
9. Signs and Sign Support
10. Exhaust Fans, Smoke Vents, Heat Vents, Roof Relief Vents, Dryer Vents, Gravity Vents, Boiler Flues, A/C Unit Vents, Hot Water Heater Flues, Outside Air Intake Hoods, Skylights and Roof Hatches, etc. (Plumbing Vents need not be shown on Roof Plan.)
11. A/C Equipment and Platforms, Supports and Stands for equipment.
12. Piping on roof, Pipe Roller Supports and Pipe Penetration Hoods.
13. Roof Drains and Sumps around drains. Indicate elevation of drain in relation to Perimeter elevations.
14. Lightning Protection (if not shown on Consultants Drawings).
    1. Review Consultants placement of Air Terminals, etc. as not to violate integrity of the Flashing or Roofing Membrane.
15. Condensing Unit and Rack for Food Service Equipment Cooler and Freezer.
16. Walkway Protection Boards or Concrete Pavers.
17. Communications Equipment
18. Ductwork and Ductwork Supports and Curb for Supports.
19. Window Washing Equipment.
20. Splash Blocks or Pans, Ladders.
21. Elevator Penthouses, "Over-rides" and Stair enclosures.
22. Electrical Equipment such as Generator Mufflers and Exhaust Pipes.
23. Designate materials of Roof, Copings, Flashing, Gravel Stops, etc.
24. Section designations and references to large scale details.

Note: Items to consider when designing or selecting a Roof Assembly:

• U.L. Rating required
• "U" Value required.
• Drainage System
• Expansion joints and Area dividers.