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// CODE SNIPPET

606.4.2 Fan Shutdown

NYC Mechanical Code 2008 > 6 Duct Systems > 606 Smoke Detection Systems Control > 606.4 Controls Operation > 606.4.2 Fan Shutdown
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When any building or floor is provided with an air system utilizing recirculated air and is protected by an automatic sprinkler system or an automatic fire alarm system, provisions shall be made to automatically stop the fans serving the affected area when the sprinkler system or fire alarm system are installed in the area, it shall be required to have only one of these systems arranged to stop the fans.
Exceptions:
  1. Activation of a manual pull station shall not be required to automatically stop the fans.
  2. Systems having a capacity of 2,000 cfm (0.2 m3/s) or less or serving not more than one floor.

Related Code Sections


606.4.2 Duct Systems, Fan Shutdown
or an automatic fire alarm system, provisions shall be made to automatically stop the fans serving the affected area when the sprinkler system or fire alarm system ...
NYC Mechanical Code 2014 > 6 Duct Systems > 606 Smoke Detection Systems Control > 606.4 Controls Operation > 606.4.2 Fan Shutdown
606.4.2 Duct Systems, Fan Shutdown
or an automatic fire alarm system, provisions shall be made to automatically stop the fans serving the affected area when the sprinkler system or fire alarm system ...
NYC Mechanical Code 2008 > 6 Duct Systems > 606 Smoke Detection Systems Control > 606.4 Controls Operation > 606.4.2 Fan Shutdown
506.5.6 Exhaust Systems, Exhaust Fan Operation
the exhausting system has been activated unless fan shutdown is required by a listed component of the ventilation system or by the design ...
NYC Mechanical Code 2008 > 5 Exhaust Systems > 506 Commercial Kitchen Hood Ventilation System Ducts and Exhaust Equipment > 506.5 Exhaust Equipment > 506.5.6 Exhaust Fan Operation
506.5.6 Exhaust Systems, Exhaust Fan Operation
the extinguishing system has been activated unless fan shutdown is required by a listed component of the ventilation system or by the design ...
NYC Mechanical Code 2014 > 5 Exhaust Systems > 506 Commercial Kitchen Hood Ventilation System Ducts and Exhaust Equipment > 506.5 Exhaust Equipment > 506.5.6 Exhaust Fan Operation
607.2.3 Duct Systems, Supply Air Systems
the control system is arranged to shut down the fresh air intake, return air, and exhaust air dampers, and fan shutdown and smoke detection is provided ...
NYC Mechanical Code 2008 > 6 Duct Systems > 607 Ducts and Air Transfer Openings > 607.2 Installation > 607.2.3 Supply Air Systems
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