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Nursing
Rabies & Dog Bites
Request Documents & Forms

Commercial Plumbing Permits


To receive a permit to install plumbing in Hamilton County (excluding City of Cincinnati), commercial plumbing installers must:
  • have Ohio Contractor Industry Licensing Board (OCILB) state License (proof of license is now required to obtain permit). Call (614) 644-3495 for more information;
  • be bonded and registered with Hamilton County Public Health.

 

Norwood

All workers installing plumbing must be a Norwood licensed journeyman plumber. Norwood also requires all plumbing contractors to register with the city. Call (513) 458-4510 for more information.

 

Obtaining a commercial plumbing permit

Required Items to Apply for a Plumbing Permit (Download the entire list of Required Documents for Plumbing Permit)

New Building – Residential
• Building Permit number     www.hamilton-co.org/hcbi/default.asp
• Isometric drawing of sanitary waste and vent system Drawing

New Building – Commercial
• Building Permit number     www.hamilton-co.org/hcbi/default.asp
• Sealed blueprint of the sanitary waste and vent system
• Full set of blueprints

New Building – Commercial Restaurant/Food Service/Retail Food Establishment
• Building Permit number     www.hamilton-co.org/hcbi/default.asp
• Sealed blueprint of the sanitary waste and vent system
• Full set of blueprints
• Contact Metropolitan Sewer District (MSD) concerning installation of  grease interceptor and    sewer credit ability  www.msdgc.org/customer_service/industrial_users/
• Completed requirements for a food establishment.
For buildings located in the city limits of Cincinnati, Norwood and Springdale, refer to the appropriate health department for guidance.

New Building – Commercial: Oil Interceptor Installation
• Contact Metropolitan Sewer District (MSD) concerning installation www.msdgc.org/customer_service/industrial_users/

Contractors may now submit a plumbing permit online through the Cagis website: http://cagis.hamilton-co.org 

 

Inspection process

Once your plumbing permit has been issued, you will be required to have a series of inspections as your work progresses.

For same day inspections, contractors must call the Plumbing Division and request an inspection between 7:30 and 9:00 a.m. After that time, same day inspections cannot be accommodated.

Lower Rough Inspection
Inspection of all sanitary drainage piping beneath a basement floor or underground. Approved piping must sustain 5 pounds per square inch of air or a 10 foot head of water for 15 minutes.

Upper Rough Inspection
Inspection of piping, sanitary, and water lines inside the house prior to dry wall. Inspection includes all completely installed plumbing excluding fixtures. Approved system must sustain 5 pounds per square inch of air and a 10 foot head of water for 15 minutes.

New Buildings
An MSD or Sewage Disposal permit number is required before an upper rough plumbing inspection will be conducted on new construction. Contact MSD at (513) 244-1332 or the Health District’s Water Quality Division at (513) 946-7966, to obtain a Sewage Disposal permit.

Water Line Inspection
Inspection of the water line from the water meter to the building. Must be inspected prior to final inspection. Line installation, depth, and material must be approved.

Final Plumbing Inspection
Inspection of all set plumbing fixtures: toilet, water heater, sinks, etc. System must pass a final air test.

Air Test
Plug off the sanitary sewer, cap off vent with water in all traps, apply air pressure to the entire drainage and vent systems or equivalent to at least one inch water column. Maintain for fifteen minutes.

 

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