All-Inclusive Bathroom Finish

This handout is a compilation of some of the standard requirements based on the State Building Code and City Ordinance for projects of this type.  This information packet does not contain all the specific codes for construction and should only be used as a guide. The permittee is responsible to meet all code requirements applicable to each project.

Submittals:

•         Permit application- All-Inclusive Bathroom Finish
•         Construction plans:

o   Existing and proposed layout

o   Location of exterior wall and/or common walls

o   Room dimensions including, Ceiling height and plumbing fixture clearances

•         Electrical permit application (if applicable)
•         Owner-contractor waiver if the homeowner is completing the work themselves.

Typical inspections:

•         Plumbing rough in
•         Shower pan flood test for shower receptors built on-site (tile base)
•         Mechanical rough in
•         Electrical rough-in
•         Framing
•         Insulation and vapor barrier
•         Plumbing final
•         Mechanical final
•         Electrical final
•         Final inspection

o   Includes a smoke and carbon monoxide alarm inspection throughout the home.  

Typical building code requirements for bathroom finishes:

·       All work must be inspected prior to concealing.

·       Permit packet including permit, approved plans, & inspection card must be available on site at time of inspection.

·       Tub and shower enclosure walls must have solid sheathing behind enclosure covering insulation and poly on exterior wall.  

·       All bathrooms must have an openable window, or artificial light and a mechanical vent to the outside. Exhaust ducts shall be insulated for a minimum distance of 3’ from the exterior wall.

·       Showers shall have a 2” trap and drain.

·       Cleanouts must remain accessible.

·       The maximum hot water temperature in bathtubs and whirlpool tubs shall be regulated by a limiting device conforming to either ASSE 1070/ASME A112.1070/CSA B125.70 or CSA B 125.3; or a water heater conforming to ASSE 1084.

·       Plumbing fixtures must meet minimum clearances and dimensions (See image below).

o   No water closet shall be set closer than 15” from its center to a side wall or obstruction.

o   The clear space in front of a water closet shall be not less than 24”.

o   Shower compartments, regardless of shape, shall have a minimum finished interior of 1024 square inches.

o   Shower compartments shall be capable of encompassing a 30” circle.

o   Minimum shower door opening width is 22” when open.

o   Shower compartments shall have a non-absorbent wall surface that extends no less than 6’ above the floor.