N.Y.C. Admin. Code § BC 3005: Section BC 3005: Machinery Spaces, Machine Rooms, Control Spaces and Control Rooms

3005.1 Access.

An approved means of access shall be provided to elevator machine rooms, control rooms, control spaces and machinery spaces.

3005.2 Temperature control.

Elevator machine rooms, machinery spaces that contain the driving machine, and control rooms or spaces that contain the operation or motion controller for elevator operation shall be provided with an independent ventilation or air-conditioning system to protect against the overheating of the electrical equipment. The system shall be capable of maintaining temperatures within the range established for the elevator equipment.

3005.3 Pressurization.

The elevator machine room, control rooms or control space with openings into a pressurized elevator hoistway shall be pressurized upon activation of a heat or smoke detector located in the elevator machine room, control room or control space.

3005.4 Machine rooms, control rooms, machinery spaces, and control spaces.

Elevator machine rooms, control rooms, control spaces and machinery spaces shall be enclosed with fire barriers constructed in accordance with Section 707 or horizontal assemblies constructed in accordance with Section 711, or both. The fire-resistance rating shall be not less than the required rating of the hoistway enclosure served by the machinery. Openings in the fire barriers shall be protected with assemblies having a fire protection rating not less than that required for the hoistway enclosure doors.

Exception: For other than fire service access elevators and occupant evacuation elevators, where machine rooms, machinery spaces, control rooms and control spaces do not abut and have no openings to the hoistway enclosure they serve, the fire barriers constructed in accordance with Section 707 or horizontal assemblies constructed in accordance with Section 711, or both, shall be permitted to be reduced to a 2-hour fire-resistance rating.

3005.5 Sprinklers and shunt trip.

Sprinklers are not permitted in elevator machine rooms, machine spaces, control rooms and control spaces. Where elevator hoistways are protected with automatic sprinklers, a means installed in accordance with Section 21.4 of NFPA 72 as modified by Appendix Q shall be provided, where required, to disconnect automatically the main line power supply to the affected elevator prior to the application of water. This means shall not be self-resetting. The activation of automatic sprinklers outside the hoistway, machine room, machinery space, control room or control space shall not disconnect the main line power supply.

3005.6 Plumbing systems.

Plumbing systems not related to elevator machinery shall not be located in elevator equipment rooms.

3005.7 Elevator machinery noise control in multiple dwellings.

Gear-driven machinery, gearless machinery, and motor generators located in an elevator machinery room or shaft on a roof, or on a floor other than a floor on grade, shall be supported on vibration isolator pads having a minimum thickness of 1/2 inch (12.7 mm).