Commercial Bathroom Exhaust Code

This ventilation code specifies a bathroom exhaust airflow rate for toilet rooms and bathrooms not served by a window of adequate size of.

Commercial bathroom exhaust code.

1 cubic foot per minute 0 0004719 m 3 s. The code is not a ceiling to reach but a floor to work up from 01 01 2010 12 32 pm 3. Local exhaust systems shall be provided in kitchens bathrooms and toilet rooms and shall have the capacity to exhaust the minimum airflow rate determined in accordance with table 403 3 2 3. Openings in louvers grilles and screens shall be sized in accordance with table 401 5 and shall be protected against local weather conditions.

The building is an office building with a 3 stall men s restroom. Fresh air intakes shall notbelocatedcloserthan10feet 3048mm fromanychim ney or vent outlet or sanitary sewer vent outlet. The illustration above demonstrates the use of a ceiling exhaust fan mounted in the rest room exhausting the stale air. Ventilation requirements in building codes and therefore these standards are also included.

Table 403 3 2 3 minimum required local exhaust rates for group r 2 r 3 and r 4 occupancies for si. Bathroom exhaust fan venting code summary section r303 3. 25 or 50 cfm ft for hotels motels resorts and dormitories and a slightly more modest 20 50 cfm for private dwellings. The international codes i codes are the widely accepted comprehensive set of model codes used in the us and abroad to help ensure the engineering of safe sustainable affordable and resilient structures.

Does anyone have references to commercial restroom ventilation requirements. Rates are per room unless otherwise indicated. Air exhaust and intake openings that terminate outdoors shall be protected with corrosion resistant screens louvers or grilles. Yes there is also a womens restroom but it isnt an issue.

You can have it almost anywhere on the ceiling or wall floors are forbidden due to possibility of vent flooding. Well there s no specific building code requirement for the bathroom vent location exhaust fan installation. Tables 2a and 2b lists key issues in the building codes that affect indoor quality in residential and commercial buildings respectively along with provisions of ashrae standards 62 2 for residential. Outdoor air exhaust and intake openings located in exterior walls shall meet the provisions for exterior wall opening.

A commercial restroom will require air to be changed 8 12 times an hour depending on the size of the facility and your local code. Bathrooms must have windows when this section is adopted by a community it essentially says that for venting purposes bathrooms must have windows that open. The exhaust from a bathroom or kitchen in a residential dwelling shall not be considered to be a hazardous or nox ious contaminant.