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Subchapter 6. Elevator Safety Orders
Article 8. Machinery and Equipment for Power Cable-Driven Passenger and Freight Elevators

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§3040. Operating Devices and Control Equipment.

(a) Operation and Operating Devices.

(1) Operating devices shall be of the enclosed electric type. Rope or rod operating devices actuated directly by hand, or rope-operating devices actuated by wheels, levers, or cranks shall not be used.

(2) Handles of car-switch operation elevators shall be so arranged that they will return to the stop position and latch there automatically when the hand of the operator is removed.

EXCEPTION: Elevators installed before 1925 may omit the automatic latch.

All existing elevators having preregister signal or car-switch automatic floor stop operation, and which are not equipped with a contacted car door or gate, shall have the operating device so arranged that the power will be cut off from the machine and the brake applied when the hand of the operator is removed from the operating device, except when the car is being operated by the leveling device in the leveling zone.

(3) For all types of elevators, the car operating device and the machine controller shall be labeled so as to designate the up and down car movement.

EXCEPTION: The operating device for signal or automatic operation elevators.

Car-switch or hand-lever operating levers shall be so arranged that the movement of the lever toward the entrance door (which the operator usually faces) will cause the car to descend, and the movement of the lever away from the door will cause the car to ascend.

EXCEPTION:

1. Starting levers for signal operation elevators.

2. Existing hydraulic elevators.

(4) Means shall be provided to operate the elevator from the top of the car during adjustment, inspection, maintenance, or repair.

The operating means shall conform to the following:

(A) It shall be of the continuous-pressure type.

(B) It shall operate the car at a speed not exceeding 150 feet per minute and shall be dependent on the normal terminal stopping devices as the limits of travel in either direction.

(C) It shall operate the car only when the car door or gate is in the closed position and when all hoistway doors are in the closed position and, where required by these regulations, locked.

(D) It may be of the portable type, provided the extension cord is permanently attached to a car top fixture so that the device cannot be removed.

(E) It shall be so arranged and connected that, when operative, the movement of the car shall be solely under the control of this device, except as provided in Section 3040(a)(4)(G); and any power-door operating devices shall be inoperative. The transfer switch or other means for accomplishing this function shall be located between the car crosshead and that side of the car which is nearest to the hoistway door used for access to the top of the car.

(F) The device shall be used only for the purpose of adjustment, inspection, maintenance, or repair of the elevator or hoistway equipment.

(G) Separate additional means, of the continuous-pressure type, may also be provided to make power-door operating devices and automatic car-leveling devices operative from the top of the car for testing purposes.

(H) The car top shall be kept free of grease or oil that would present a slipping hazard at this operating station.

(I) All elevators with car tops shall be provided with a top-of-car stop switch conforming to Section 3040(b)(5).

(J) All elevators with car tops shall be provided with a top-of-car electric light with switch and convenience outlet connected to a power source not disconnected by any action of the elevator control circuits.

EXCEPTION: Elevators installed before June 5, 1947.

(5) Operation of an elevator in a leveling or truck zone at any landing by a car-leveling or truck-zoning device, when the landing doors or the car doors or gates are not in the closed position, is permissible subject to the following:

(A) Operating devices of manually operated car-leveling devices or truck-zoning devices shall be of the continuous-pressure type located in the car, and the device inoperative except in the zone specified.

(B) Car platform guards conforming to Section 3033(i) shall be provided, and where a car-leveling device is used, landing sill guards conforming to Section 3020(a)(3)(B) shall also be provided.

(C) For elevators without static controls arranged to level automatically, which can be started only from on the car, which are equipped with power-opened car doors, the zone shall not extend more than 3 feet above and 3 feet below the landing level.

(D) For elevators with static controls arranged to level automatically, the leveling zone shall extend not more than 12" above and below the landing level.

(E) For elevators with static control, an inner leveling zone extending not more than three (3) inches above and three (3) inches below the landing shall be provided. A car shall not move if it stops outside of the inner leveling zone unless the doors are fully closed.

EXCEPTION: Elevators which comply with Section 3040(f)(4).

(F) For elevators without static controls arranged to level automatically, which can be started from the landings and are equipped with manually operated car doors or gates, the zone shall not extend more than 1 inches above and 15 inches below the landing level.

(G) Manually operated leveling devices (inching) are limited to a zone of 12 inches above and 12 inches below the landing level.

(H) The truck zone at any landing shall not extend more than 5 feet 6 inches above the landing.

(I) Where a truck or leveling zone for one hoistway entrance extends into the door interlocking zone for a second entrance, the truck-zoning or leveling operation shall be inoperative unless the hoistway door at the second entrance is in the closed position.

Where a truck or leveling zone for one hoistway entrance extends into the leveling zone for a second entrance, the leveling operation for the second entrance shall be inoperative while the hoistway door at the first entrance is open.

EXCEPTION: The car may be operated by a car-leveling device at any landing having two hoistway entrances within 2 inches of the same level, with both car doors or gates and the corresponding hoistway doors open, provided landing-sill guards conforming to Section 3020(a)(3)(B) are installed at both floors.

(J) A leveling or truck-zoning device shall move the car at a speed not more than 150 feet per minute.

(6) Automatic elevators shall conform to the following requirements:

(A) If the car has started for a given landing in response to an impulse from a car button, no impulse can be given from any landing to send the car in the reverse direction until the car has reached the destination corresponding to the first impulse or to cause the car to fail to stop at the landing indicated by the first impulse.

EXCEPTION: This is not intended to prevent the use of a key operated switch to gain control of an elevator for emergency operation.

(B) The car cannot be started by an impulse from a hall landing after completing a stop at a floor in response to the impulse from a car button until there has been a delay of not less than 5 seconds or the car door contact or the emergency stop switch has been operated.

(7) Constant pressure operation elevators shall be arranged so the car cannot be started by an impulse from a hall landing after a stop made by releasing the car button until there has been a delay of not less than 5 seconds or the car door contact or hoistway door locking device has been operated.

(8) Existing elevators operated by a non-self centering device, shall be provided with a sequence device to prevent re-starting of the car after any electrical protective device or main line switch has opened the circuit unless the operating device has first been returned to the inoperative position.

(b) Electrical Protective Devices. Electrical protective devices shall be provided in accordance with the following:

(1) Slack-Rope Switch. Elevators having winding-drum machines shall be provided with a slack-rope device equipped with a slack-rope switch of the enclosed manually reset type which shall cause the electric power to be removed from the elevator driving-machine motor and brake if the hoisting ropes become slack.

EXCEPTION: Elevators having a rise of not more than 15 feet, installed before June 5, 1947.

(2) Motor Generator Running Switch. Where generator field control is used, means shall be provided to prevent the application of power to the elevator driving machine motor and brake unless the motor generator set connections are properly switched for the running condition of the elevator. It is not required that the electrical connections between the elevator driving machine motor and the generator be opened in order to remove power from the elevator motor.

(3) Compensating-Rope-Sheave Switch. Compensating-rope sheave shall be provided with a compensating-rope-sheave switch or switches, mechanically opened by the compensating-rope sheave before the sheave reaches its upper or lower limit of travel, to cause the electric power to be removed from the elevator driving-machine motor and brake.

(4) Motor Field Excitation Switch. Where direct current is supplied to an elevator drive machine motor armature and shunt field, a motor field current sensing means shall be provided which shall cause the electric power to be removed from the motor armature and brake unless the direct current flowing in the shunt field of the motor is sufficient to prevent overspeeding of the motor.

EXCEPTION: Static control elevators provided with a device to detect an overspeed condition prior to and independent of the operation of the governor overspeed switch. This device shall cause power to be removed from the elevator driving machine motor armature and machine brake.

(5) Emergency Stop Switch. An emergency stop switch shall be provided in the car, and located in or adjacent to the car operating panel.

EXCEPTION: Passenger elevator cars with an in-car stop switch that comply with the requirements in Section 3040(b)(5)(B) below.

(A) Emergency stop switches shall:

1. When opened, cause the electric power to be removed from the elevator driving-machine motor and brake independently of the operation of the operating device and the leveling device.

2. Be of the manually opened and closed type.

3. Have red operating handles or buttons.

4. Be conspicuously and permanently marked, "STOP."

5. Be positively opened mechanically and their opening shall not be solely dependent on springs.

(B) In-car stop switch.

1. An in-car stop switch shall be permitted in passenger elevator cars with enclosures constructed of solid material from the floor to the car top.

2. The in-car stop switch shall be either key operated or behind a locked panel.

3. The in-car stop switch shall be clearly marked "STOP" and shall indicate the stop and run positions.

4. The in-car stop switch shall comply with Sections 3040(b)(5)(A)1 and (b)(5)(A)5.

5. The elevator controls shall be arranged so the car will not move, level, or advance start, unless the hoistway door interlocks and the car door contacts are in the closed position, except for the required releveling or anti-creep.

6. The car door contacts shall be adjusted so the closed position is not more than one inch.

7. The keys for the in-car stop switch shall be available for use by maintenance and inspection personnel.

8. The Division shall be notified when an emergency stop switch in a passenger elevator is replaced with an in-car stop switch. The Division shall inspect the in-car stop switch before the passenger elevator is placed in service.

(6) Broken-Rope, Tape, or Chain Switches.

(A) Broken-rope, tape, or chain switches shall be provided when the slow-down switches of the normal terminal stopping device are located in the machine room.

(7) Stop Switch in Pit. A stop switch conforming to the requirements of Section 3040(b)(5) shall be provided in the pit of every electric or electrically controlled elevator. See Section 3016(g) for location.

EXCEPTION: Elevators installed before June 5, 1947.

(8) Stop Switch on Top of Car. A stop switch conforming to Section 3040(b)(5) shall be provided on top of every electric and every electrically controlled elevator car. See Section 3040(a)(4)(I).

(9) Car-Safety Mechanism Switch. A switch conforming to the requirements of Sections 3035(g)(2) and 3036(d) shall be required where a car safety is provided.

(10) Governor Overspeed Switch. A governor overspeed switch shall be provided when required by Section 3036(d).

(11) Final Terminal Stopping Devices. Final terminal stopping devices conforming to the requirements of Section 3039(b) shall be provided for every cabled electric elevator.

(12) Emergency Terminal Stopping Devices. Where reduced-stroke oil buffers are provided, as permitted by Section 3031(f), emergency terminal stopping devices conforming to Section 3039(c) shall be provided.

(13) Buffer Switches for Oil Buffers Used with Type C Car Safeties. Oil-level and compression switches conforming to the requirements of Section 3035(h)(2) shall be provided for all oil buffers used with Type C Safeties.

(14) Hoistway Door Interlocks or Hoistway Gate Contact Locks. Hoistway door interlocks or hoistway gate interlocks or contact locks shall be provided for all electric or electrically controlled elevators in accordance with the requirements of Section 3021.

(15) Car Door or Gate Electric Contacts. Car door or gate electric contacts shall be provided for all electric or electrically controlled elevators having car doors or gates.

(16) Normal Terminal Stopping Devices. Normal terminal stopping devices shall be provided for every electric or electrically controlled elevator.

(17) Car Side-Emergency-Exit Door Contact Switches. A car door electric contact shall be provided on each car side-emergency-exit door of an electric or electrically controlled elevator where such exit doors are provided.

(18) Motor-Generator Overspeed Protection. Means shall be provided to cause the electric power to be removed automatically from the elevator driving-machine motor and brake should a motor generator set, driven by a direct current motor, overspeed excessively.

(19) Electric Contacts for Hinged Car-Platform Sills. Hinged car-platform sills, where provided, shall be equipped with electric contacts.

(20) Oil Buffer Switches. Car and counterweight buffers of the spring return type shall be provided with a switch conforming to the requirements of Section 3031(j)(3).

(21) Sheave Space Stop Switch. A stop switch conforming to the requirements of Section 3040(b)(5) shall be provided in all sheave spaces, except secondary sheave spaces, where the space is provided with a floor.

(c) Requirements for Electrical Equipment and Wiring.

(1) All electrical equipment and wiring shall comply with the provisions of CCR, Title 24, Part 3, Article 620.

(2) Phase Reversal and Failure Protection.

If polyphase alternating current power supply is used, a reverse phase protection shall be provided with means to prevent the starting of the elevator if the phase rotation is in wrong direction, or if there is a failure of any phase. This protection shall be considered to be provided if a reversal of phase of the incoming polyphase alternating current power will not cause the elevator driving machine motor to operate in the wrong direction.

(d) Installation of Condensers or of Devices to Make Electrical Protective Devices Inoperative. The installation of condensers, the operation or failure of which will cause an unsafe operation of the elevator, is prohibited.

No permanent device shall be installed, except as provided in these regulations, which will make any required electrical protective device inoperative.

(e) Release and Application of Driving-machine Brakes. Driving-machine brakes shall not be electrically released until power has been applied to the driving-machine motor.

All power feed lines to the brake shall be opened by an electro-mechanical switch and the brake shall apply automatically when:

(1) The operating device of a car-switch or continuous-pressure operation elevator is in the stop position.

(2) A floor stop device functions.

(3) Any of the electrical protective devices function, except car door contacts or hoistway door locking devices, during leveling operations. Under Sections 3040(e)(1) and 3040(e)(2), the application of the brake may occur at the time of or before the completion of the slow-down and leveling operations.

The brake shall not be permanently connected across the armature or field of a direct current elevator driving-machine motor nor shall a single ground, short circuit or static control failure prevent the application of the brake in the intended manner.

(f) Control and Operating Circuit Requirements. In the design and installation of the control and operating circuits, the following requirements shall be met.

(1) If springs are used to actuate switches, contactors, or relays to break the circuit to stop an elevator at the terminal landings, they shall be of the compression type.

(2) The completion or maintenance of an electric circuit shall not be used to interrupt the power to the elevator driving-machine motor or brake at the terminal landings, nor to stop the car when the emergency stop switch is opened or any of the electrical protective devices operate.

EXCEPTION: Dynamic braking, and speed control switches.

(3) The failure of any single magnetically operated switch, contactor, or relay to release in the intended manner, or the occurrence of a single accidental ground, shall not permit the car to start or run if any hoistway door or gate interlock is unlocked or if any hoistway door or car door gate contact is not in the closed position.

(4) The failure of any static control device, speed measuring circuit or speed pattern generating circuit to operate as intended or the occurrence of a single accidental ground or short circuit shall not permit the car to start or run if any hoistway door or gate interlock is unlocked or if any hoistway door or car door or gate contact is not in the made position.

EXCEPTION: Elevators with the operation described in Section 3040(a)(5)(E).

(5) Where generator field control is used, means shall be provided to prevent the generator from building up and supplying sufficient current to the elevator driving machine motor to move the car when the elevator motor or generator field control switches are in the "off" position.

The means used shall not interfere with maintenance of an effective dynamic braking circuit during stopping and standing conditions.

(6) The control circuits shall be so designed, installed, and maintained that the car speed in the down direction with rated load in the car, under normal operating conditions with the power supply on or off, shall not exceed governor tripping speed or 125 percent of the rated speed, whichever is lesser.

(7) Elevators with a static control shall comply with the following:

(A) An independent means shall be provided to limit the speed of an elevator to not more than 150 f.p.m. during leveling, access switch operation and inspection operation should the normal means to control this speed fail to do so.

EXCEPTION: Elevators with an independent speed measuring device arranged to remove power from the motor and brake independent of the static control if the speed of the elevator exceeds 150 f.p.m. during leveling, access switch operation and inspection.

(8) Where only one of the controller switches required by Section 3039(b)(5) is an electromechanical switch, the elevator control shall be arranged so the car shall not restart after the brake has been set unless the electromechanical switch has been in the de-energized position during the time the brake was set.

(g) Out-of-Service Requirements. When it is intended to discontinue, for an extended period, the use of an elevator, the cables shall be disconnected, and the car and counterweights landed satisfactorily, and the power disconnected.

(h) Load-Weighing Devices on Passenger Elevators. Load-weighing devices which will prevent operation of the elevator may be installed provided they function to prevent such operation only when the load on the elevator platform is in excess of 125 percent of minimum rated load.

(i) Floating (Movable) Platforms. Floating platforms which permit operation of the elevator when the car door or gate is not in the closed position are prohibited.

(Title 24, Part 7, Section 7-3040)

NOTE: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.

HISTORY

1. Repealer of subsection (a)(1) Exception, repealer of subsection (a)(1)(A), amendment of subsections (a)(3), (a)(8), (b)(2) and repealer of subsection (b)(6)(B) filed 6-23-77; effective thirtieth day thereafter (Register 77, No. 26).

2. Repealer of subsections (a)(5), (b)(4), (e) and (f) and new subsections (a)(5), (b)(4), (e) and (f) filed 12-22-78; effective thirtieth day thereafter (Register 79, No. 1).

3. Amendment of subsection (c), repealer of subsections (c)(1)-(6) and new subsection (c)(2) and designation of (c)(1) filed 6-29-94; operative 7-29-94 (Register 94, No. 26).

4. Editorial corrections (Register 95, No. 32).

5. Amendment and redesignation of former subsections (b)(5)-(b)(5)(D) to subsections (b)(5)-(b)(5)(B)8. filed 1-11-2000; operative 2-10-2000 (Register 2000, No. 2).

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