Iowa Administrative Code › Agency 875 - Labor Services Division › Elevators, Escalators, and Related Equipment › Chapter 73 - Conveyances Installed Prior to January 1, 1975 › Rule 875-73.2 - Hoistways

Current through Register Vol. 47, No. 3, July 24, 2024
(1) Each passenger
				elevator hoistway landing shall be protected with a door or gate. The door or
				gate shall be of solid construction and shall guard the entire
				entrance.
(2) All automatic
				passenger elevators with power doors shall have nonvision panels on hoistway
				doors.
(3) Each hoistway landing in
				any elevator hoistway shall be continuously provided with a properly working
				door or gate.
(4) Where freight
				elevator hoistway doors or gates are of open or lattice construction, they
				shall be at least 6 feet high and shall come within 2 inches of the floor when
				closed. Gates shall be constructed to reject a ball 2 inches in diameter Doors
				and gates must be able to withstand 250 pounds of pressure applied in the
				center of the door or gate without breaking or being forced out of their
				guides.
(5) Manually operated
				biparting entrances of elevators which can be operated from the landings shall
				be provided with pull straps on the inside and outside of the upper panel where
				the lower edge of the upper panel is more than 6 feet 6 inches above the
				landing when the panel is in the fully opened position.
(6) All freight elevators having wooden
				hoistway gates in an area where power loading equipment, such as fork trucks,
				electric mules, etc. are used shall have an acceptable means to restrain the
				power equipment from running through such wooden gates.
(7) Each hoistway door or gate shall be
				provided with interlocks designed to prevent the car from moving imless the
				doors or gates are closed. Where doors or gates do not lock when closed they
				shall lock when the elevator is not more than 12 inches away from the floor
				Passenger elevator hoistway doors shall be closed and locked before the car
				leaves the floor.
(8) All
				hoistway-door interlocks shall function as part of a hoistway-unit
				system.
(9) Automatic fire doors
				shall not lock any landing opening in the hoistway enclosure from the hoistway
				side nor lock any exit leading from any hoistway landing to the outside of the
				building.
(10) Emergency keys for
				hoistway doors and service keys shall be kept readily accessible to authorized
				persons and elevator safety inspectors.
(11) Access means shall be provided at one
				upper landing to permit access to the top of the car, and at the lowest landing
				if this landing is the normal point of access to the pit.
(12) Each hoistway door or gate which is
				counterweighted shall have its weights enclosed in a box-type guide or run in
				metal guides. The bottom of the guides or boxes shall be so constructed as to
				retain the counterweight if the counterweight suspension means
				breaks.
(13) Hoistways containing
				freight elevators shall be fully enclosed. Enclosures shall be unperforated to
				a height of 6 feet above each floor or landing and above the treads of adjacent
				stairways. Unperforated enclosures shall be so supported and braced as to
				deflect not over 1 inch when subjected to a force of 100 pounds applied
				horizontally to any point. Open work enclosure may be used above the 6-foot
				level and shall reject a ball 2 inches in diameter.
(14) Hoistways containing passenger elevators
				shall be fully enclosed and the enclosure shall be of solid construction to its
				full height.
(15) All elevators
				that have automatic leveling, inching or teasing devices and that are
				configured with landing sills that project into the hoistway shall be equipped
				with a bevel on the underside of the landing sill or the underside of
				projections found on the bottom section of vertically opening biparting doors.
				Bevels shall be constructed of smooth concrete or not less than 16-gauge metal
				securely fastened to the hoistway entrance. Bevels shall extend the full depth
				of the leveling zone plus 3 inches.
(16) Every hoistway window opening seven
				stories or less on an outside wall above a thoroughfare and every such window
				three stories or less above a roof of the building or of an adjacent building
				shall be guarded to prevent entrance by fire or emergency rescue persons. Each
				such window shall be marked "hoistway" in a readily visible manner.