§ 7.300. Electric or oil-electric platform elevators.
Special requirements for electric or oil-electric platform elevators are the following:
(1) The rise shall not exceed 20 feet.
(2) The capacity shall not exceed 2,500 pounds.
(3) The speed shall not exceed 30 feet per minute.
(4) The platform shall not exceed 36 square feet in area.
(5) The winding drums and sheaves shall not be less than 14 inches in diameter.
(6) The machine, motor and controller shall not be placed in the pit, but drums may be placed in the pit under the elevator car.
(7) Guide rails shall extend from the pit to the top of the shaft and be constructed of steel or iron.
(8) An elevator shall have at least two cables of not less than 1/2 inch diameter.
(9) Platform elevators may be used from the basement to the first floor only.
(10) Spring buffers shall be provided and so placed that the car cannot rest on the drums or drum shaft.
(11) A pit shall be not less than four feet deep, but is exempt from application of § 7.274 (relating to shaftway clearances).
(12) Elevators may be of the two-point suspension type, but not of the four-point suspension type.
(13) Cars shall be provided with a safety device of the broken rope or governor type.
(14) Machines shall be provided with automatic terminal stops and shall have shaftway limit switches at the top and bottom.
(15) Shaftway enclosure gates or doors and locking devices shall comply with the requirements for freight elevators, except that shaftway enclosures shall be flush from top to bottom.
(16) Control shall be of the car switch, double-button constant pressure or full automatic pushbutton type. Hand rope control is prohibited.
Cross References This section cited in 34 Pa. Code § 7.291 (relating to general).
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