2. The emergency sign shall not be required for elevators that are used for occupant self-evacuation in accordance with Section 3008.
1. Held open during normal operation by a “hold open” device that is activated for closure by fire or smoke sensing devices located in the elevator lobby or its immediate vicinity; and
2. Readily openable from the car side without a key, tool, special knowledge, or effort when closed.
1. In occupancies of other than Groups R-1, R-2, I-1, I-2, as defined in Minnesota Rules, Chapter 1305, and similar occupancies with overnight sleeping quarters, venting of hoistways is not required when the building is equipped throughout with an approved automatic sprinkler system installed in accordance with the 2012 International Building Code, Section 903.3.1.1 or 903.3.1.2 and similar local codes.
2. Sidewalk elevator hoistways are not required to be vented.
3. Elevators contained within and serving open parking garages only.
4. Elevators within individual residential dwelling units.
1. Protective grilles shall be installed at vent openings in the top of the hoistway to prevent people from falling into the hoistway. The protective grilles shall be securely mounted to the building structure.
2. Interconnection of separate hoistways for the purpose of venting is prohibited.
3. Vents shall be operated by a keyed manual remote device and equipped with a remote visual LED-type indicator device for indicating the full open position.
a. The indicator device shall be activated by a device having a direct mechanical connection to vent shutters.
b. The keyed manual remote control device shall have two positions: vent closed and vent open. The markings for both positions shall be permanent. The key shall be removable only in the closed position.
c. The keyed manual remote control device shall be located adjacent to the fire control panel, if provided, or in the elevator lobby of a designated floor. The designated floor shall be approved by the authority having jurisdiction.
d. The keyed manual remote control device may not be co-located with any operating devices for the elevators.
1. The occupancy is not in Group R-1, R-2, I-1, or I-2, as defined in Chapter 1305, or of a similar occupancy with overnight sleeping quarters.
2. The vents required by Section 3004.2.do not have outside exposure.
3. The hoistway does not extend to the top of the building.
4. The hoistway and machine room exhaust fan is automatically reactivated by thermostatic means.
5. Equivalent venting of the hoistway is accomplished.
1. Where machine rooms and machinery 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 one-hour fire-resistance rating.
2. In buildings four stories or less above grade plane where machine room and machinery spaces do not abut and have no openings to the hoistway enclosure they serve, the machine room and machinery spaces are not required to be fire-resistance rated.
1. The fire service access elevator symbol shall be not less than 3 inches (76 mm) in height.
2. The vertical center line of the fire service access elevator symbol shall be centered on the hoistway door frame. Each symbol shall not be less than 78 inches (1981 mm), and not more than 84 (2134 mm) inches above the finished floor at the threshold.
FIRE SERVICE ACCESS ELEVATOR SYMBOL
1. Elevator equipment.
2. Elevator hoistway lighting.
4. Elevator controller cooling equipment.
1. The occupant evacuation elevator lobby floor area shall accommodate, at 3 square feet (0.28 m2) per person, not less than 25 percent of the occupant load of the floor area served by the lobby.
2. The occupant evacuation elevator lobby floor area also shall accommodate one wheelchair space of 30 inches by 48 inches (760 mm by 1220 mm) for each 50 persons, or portion thereof, of the occupant load of the floor area served by the lobby.
1. An illuminated green light and the message, “Elevators available for occupant evacuation,” when the elevators are operating in normal service and the fire alarm system is indicating an alarm in the building.
2. An illuminated red light and the message, “Elevators out of service, use exit stairs,” when the elevators are in Phase I emergency recall operation in accordance with the requirements in ASME A17.1/CSA B44—2010.
3. No illuminated light or message when the elevators are operating in normal service.
1. Floor location of each elevator car.
2. Direction of travel of each elevator car.
3. Status of each elevator car with respect to whether it is occupied.
5. Status of standby or emergency power system that provides backup power to the elevator equipment, elevator controller cooling equipment, and elevator machine room ventilation and cooling equipment.
Exception: Wiring and cables to control signals are not required to be protected provided that wiring and cables do not serve Phase II emergency in-car operations.