The City of Peoria requires plumbing plans for "complex structures" to be reviewed and approved before issuance of a plumbing permit. For the purposed of this rule, a "complex structure" means an installation of a plumbing system that meets any of the following:

1. A commercial building with installation, alteration, or addition of six or more plumbing fixtures, excluding water heaters;
2. Medical gas and vacuum systems for health care facilities providing services to human beings;
3. Plumbing installations, alterations, or additions to food service facilities where new plumbing fixtures are being installed;
4. The building is more than three stories in height;
5. The building contains more than two residential units;
6. Any new exterior plumbing site utilities, when required; or
7. Any NFPA 13-D multi-purpose fire sprinkler system.

The following fixtures and devices apply to the fixture counts addressed in this rule for the purpose of plumbing plan review:

• Bathtubs
• Bidet
• Clothes washer
• Commercial kitchen equipment
• Dental equipment
• Drinking fountain
• Floor drain
• Floor sink
• Hub/Funnel drain
• Interceptor/Separator
• Laundry tray
• Lavatory
• Service sink
• Sewage ejector
• Shower
• Sink
• Tub/Shower combination
• Urinal
• Water closet