[NY] 1188.8.131.52 Ventilation Based Upon Exhaust Rate
Where required by Section 1184.108.40.206, rooms, areas, and walk-in energy storage system units containing energy storage systems shall be protected by an approved continuous gas detection system that complies with Section 916 of this code and with the following:
- The gas detection system shall be designed to activate the mechanical ventilation system when the level of flammable gas in the room, area, or walk-in energy storage system unit exceeds 25 percent of the LFL.
- The mechanical ventilation system shall remain on until the flammable gas detected is less than 25 percent of the LFL.
- The gas detection system shall be provided with a minimum of 2 hours of standby power in accordance with requirements for emergency and standby power systems for gas detection systems in Section 916 of this code.
- Failure of the gas detection system shall annunciate a trouble signal at an approved supervising station in accordance with NFPA 72.