Kitchen Exhaust Building Code
If the work is built to the consented plans and receives a code compliance certificate it confirms the requirements of the building code have been met.
Kitchen exhaust building code. Supplemental exhaust 1 additional supplemental exhaust capacity shall be installed as necessary so that the total capacity of all kitchen bathroom water closet room and other supplemental exhaust air intakes is not less than the total ventilation capacity as required in article 9 32 3 3 minus the principal exhaust fan capacity. It s important to understand that there are model codes sometimes called national codes and there are also local codes. Exhaust ducts shall terminate on the outside of the building. Florida mechanical code 2014 5 exhaust systems 506 commercial kitchen hood ventilation system ducts and exhaust equipment 506 3 exhaust systems ducts serving type i hoods type i exhaust ducts shall be independent of all other exhaust systems except as provided in section 506 3 5.
Moreover code watcher advises that since 2009 the international residential code irc includes a section on air replacement for houses with active kitchen ventilation. Department of energy building energy codes program. The building code is contained in regulations under the building act 2004. In a single family dwelling make up air is not.
Some state building codes do require mechanical ventilation such as an exhaust fan in the kitchen. Exhaust hood systems capable of exhausting in excess of 400 cfm 0 19 m 3 s shall be provided with makeup air at a rate approximately equal to the exhaust air rate. Exhaust duct terminations shall be in accordance with the dryer manufacturer s installation instructions if the manufacturer s instructions do not specify a termination location the exhaust duct shall terminate not less than 3 feet 914 mm in any direction from openings into buildings. Los angeles fire code 6 building services and systems 609 commercial kitchen hoods 609 3 3 building services and systems cleaning when a commercial kitchen hood or duct system is inspected a tag containing the service provider name address telephone number and date.
From a legal standpoint model codes are merely recommendations while local codes are the law in a given jurisdiction such as a city or. Dining room supply minimum at 2 500 cfm and then transfer air would be less than 50 of kitchen exhaust and a demand ventilation system would be required. Because ventilation requirements vary from state to state and even from city to city it s important to check with local. Building codes typically will require adequate ventilation for any gas fired appliance so leaving the range hood out of your plans may not be an option.
The ontario building code supplemental exhaust 9 32 3 5. Such makeup air systems shall be equipped with a means of closure and shall be automatically controlled to start and operate simultaneously with the exhaust system.