Sewers (Outside Storm/ Sanitary Piping)
- Check pitch/slope of pipe for uniform alignment.
- Check code approved standards listed on pipes/fittings.
- Check proper joint types between piping.
- Check properly size and accessible clean-outs.
- Check water or air test on system. Air Test: 5 psi or Water Test: 10 foot head of pressure. The test shall hold for at least 15 minutes without leaks.
- Installation must be left uncovered and accessible for inspection.
- Check work installed as per approved plan/code (if approved plan is required).
- Installation must be below outside frost depth (building sewer minimum 42" below grade).
Storm Drains ( inside Building)
- Check pitch/slope of pipe for uniform alignment.
- Check code approved standards listed on pipes/fittings.
- Check work installed as per approved plan/code (if approved plan is required).
- Check proper joint types between piping.
- Check properly size and accessible cleanouts.
- Check water or air test on system. Air Test: 5 psi or Water Test: 10 foot head of pressure. The test shall hold for at least 15 minutes without leaks.
- Installation must be left uncovered and accessible for inspection.
- Install trap when storm drains connected to sanitary system.
- Check proper hangers and supports for storm drains.
Rough Plumbing ( above and underground)
- Check proper fixture spacing.
- Check work installed as per approved plan / code. If approved plan is required it must be left at job site for inspector review.
- Check backing support for fixtures that are to be attached to wall(s).
- Check water or air test on system. Air Test: 5 psi or Water Test: 10 foot head of pressure. The test shall hold for at least 15 minutes without leaks.
- Installation must be left uncovered and accessible for inspection.
- Building permit must be posted (if applicable for installation)
- Check for proper hangers and supports.
Water Distribution
- Check code approved standards listed on pipes/fittings.
- Check proper joint types between piping.
- Check water or air test on system. Water test not less than the water working pressure of the system. Air test for piping systems other than plastic, not less than 50 psi. The test shall be held for not less than 15 minutes without leaks.
- Check for proper hangers and supports.
- Check for leaks.
- Check for proper water supply pressure at fixtures.
Final
- All equipment, fixtures, appliances, appurtenances, etc., must be in operating condition.
- All equipment, fixtures, appliances, appurtenances, etc., shall not be defective, damaged, or dirty.
- All equipment, fixtures, appliances, appurtenances, etc., waste and water connections shall be free of leaks.
- Fixtures shall have proper spacing.
Information
The purpose of the Information Inspection (permit) is to have the plumbing contractor meet with an inspector at the job site to review a proposed installation, which may not be in conformance with the code. The proposal to deviate from the code is submitted in duplicate, in writing or with legible drawings, and states the reason for deviation. The proposal may be considered and approved, if it meets the intent of the plumbing code.
Cross Connection Control
Cross connection plumbing inspections are required according to the 2009 Michigan Plumbing Code Section 608, and the Department of Environmental Quality, Safe Drinking Water Act 1976 PA 399 Part 14. The purpose of this program is to identify and order eliminated any cross connections found in the water distribution system of buildings in the City of Detroit. A cross connection is any physical connection between two otherwise separate piping systems, one piping system which contains potable (drinking) water and the other non potable water, chemical, gas, etc. Buildings that are in violation and no progress made to correct violation will receive a court notice. Buildings that are in compliance will receive a certificate of plumbing re-inspection. The certificate must be posted and maintained in a conspicuous place within the building or premises.
