// CODE SNIPPET
3004.5.2 Mechanical Ventilation of the Hoistway Enclosure
JUMP TO FULL CODE CHAPTER
Hoistway enclosures may be mechanically vented. The system of mechanical ventilation shall be of sufficient capacity to exhaust at least 12 air changes per hour of the volume of such hoistways through a roof or an approved location on an exterior wall other than the lot line wall. Such system shall comply with the following requirements:
- The smoke detector shall be placed at the top of the hoistway and shall activate the mechanical ventilation system.
- Such mechanical ventilation system shall not pass through the overnight sleeping areas of a hotel, multiple dwelling, hospital or similar buildings.
- Such mechanical ventilation system shall be equipped with a manual shut-off in or near the elevator control panel at the designated level.
Related Code Sections
3004.5.2 Elevators and Conveying Systems, Mechanical Ventilation of the Hoistway Enclosure
Hoistway enclosures may be mechanically vented. The system of mechanical ventilation shall be of sufficient capacity to exhaust at least 12 air ...
NYC Building Code 2014 > 30 Elevators and Conveying Systems > 3004 Hoistway Venting > 3004.5 Control of Smoke and Hot Gases > 3004.5.2 Mechanical Ventilation of the Hoistway Enclosure
3004.6.2 Elevators and Conveying Systems, Mechanical Ventilation of the Hoistway Enclosure
Hoistway enclosures may be mechanically vented. The system of mechanical ventilation shall be of sufficient capacity to exhaust at least 12 air ...
NYC Building Code 2008 > 30 Elevators and Conveying Systems > 3004 Hoistway Venting > 3004.6 Control of Smoke and Hot Gases > 3004.6.2 Mechanical Ventilation of the Hoistway Enclosure
Reference Standard 18 Elevators and Conveyors [PDF] (page 2)
the activation of a smoke detector placed at the top of the hoistway shall be considered closed vents. 100.4b Mechanical ventilation of the hoistway ...
1019.1.3 Means of Egress, Ventilation
Equipment and ductwork for exit enclosure ventilation necessary for independent pressurization shall comply with one of the following items ...
NYC Building Code 2008 > 10 Means of Egress > 1019 Vertical Exit Enclosures > 1019.1 Enclosures Required > 1019.1.3 Ventilation
Section 3002 Elevators and Conveying Systems, Hoistway Enclosures
Elevator, dumbwaiter and other hoistway enclosures shall have a fire-resistance rating not less than that specified in Chapter 6 and shall ...