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SCHEMATIC PLAN
Example
- 3" plumbing vent 6" above roof and 10" from cooler
- Sanitary cross or double sanitary tee
- Sink trap arm: 1 1/2" if no longer than 42"; 2" if no longer than five feet.
- Lavatory trap arm: 1 1/2" if no longer than 42"; 2 if no longer than five feet
- 3"
- Tub trap arm: 1 1/2" if no longer than 42"; 2 if no longer than five feet.
- 3" sanitary tee with 2" side inlet.
- 4" X 3" closet bend.
- Cast iron - 90 degree short sweep ABS, PVC - 90 degree long elbow.
- Two-way cleanout extended to grade 2" outside of building. Use same materials as in building. Fittings are combination wye and eighth bends.
The items that need to be shown or marked include:
- Plumbing systems - Isometric diagram of water supply; waste and vent system; gas
piping.
- Electrical systems - One line diagram. Panel schedule with number of circuits and
size of current breakers.
Return to Requirements for a Construction Permit Application
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