CCLME.ORG - DIVISION 1. DEPARTMENT OF INDUSTRIAL RELATIONS CHAPTERS 1 through 6

(continued)
1. They shall be made of metal of not less than No. 16 M.S. gage.
2. They shall have a straight vertical face flush with the outer edge of the platform, having a depth of not less than the distance between the normal upper terminal landing level and the highest upper landing level plus 3 inches.
3. The lower portion of the guard shall be rounded or bent back at an angle of approximately 75 degrees with the horizontal.
(e) Car Enclosures and Car Doors and Gates.
(1) Power-driven sidewalk elevators shall be provided with a car enclosure on the unused sides to a height of not less than 6 feet, conforming to the requirements of Section 3034(c).
Exception: Existing elevators in existing buildings where because of building conditions it is not possible to install sides 6 feet high providing the sides furnished are the maximum height obtainable.
(2) Where car gates or doors are provided, they shall conform to the requirements of Section 3034(f) and shall be provided with a contact conforming to Section 3034(d)(2).
(3) Car enclosures are not required for hand elevators.
(f) Capacity and Loading.
(1) The capacity and loading requirements shall conform to the following:
(A) Hydroelectric elevators to Section 3066.
(B) Hand elevators to Section 3077(c).
(2) Elevators designed for Class B or Class C loading shall have a sign in the car that conforms to the requirements of Section 3037(e)(1)(A).
(g) Driving Machines and Sheaves. Driving machines and sheaves shall conform to Sections 3067, 3068, and 3069 for hydroelectric elevators, and to Section 3077(g) for hand elevators.
(h) Terminal Stopping Devices of Power Elevators.
(1) Terminal stopping devices shall conform to the following:
(A) Hydroelectric elevators to Section 3070.

(B) Limit switches installed in the hoistway at the lower terminal shall be located as far above the bottom of the pit as practicable.
(C) All terminal limit switches in the hoistway or on the car shall be weatherproof.
(i) Operating Devices and Control Equipment of Power Elevators.
(1) Operating devices and control equipment shall conform to the requirements of Section 3071.
Exceptions:
1. Top of car inspection switches.
2. Top of car stop switches.
(2) Access switches are not required except where biparting doors are installed at the lowest landing.

(3) The operation of power elevators through the sidewalk doors shall conform to the following:
(A) The elevator shall be operated in both the up and down directions through the opening, only from the sidewalk level, except when the doors are held in the open position by the hold-open bar or device.
(B) The operation from the sidewalk level shall be by means of key-operated continuous-pressure type up and down switches or by continuous-pressure type up and down buttons on the free end of a plug-in flexible cord not more than 5 feet in length.
(C) Key-operated switches shall be of the continuous-pressure spring-return type and shall be operated by a cylinder-type lock having not less than a 5-pin or 5-disc combination with the key removable only when the switch is in the off position.
(D) Where the elevator is located on the building wall half of the sidewalk, but not more than 4'0" from the building wall, the key switch or plug receptacle shall be located in the wall within 18 inches horizontally of the edge of the hoistway or within one section of the sidewalk door.

When the elevator is not located on the building wall half of the sidewalk, the key switch or plug receptacle shall be located within one section of the sidewalk door or within 18 inches horizontally of the edge of the hoistway.
Key-operated switches and plug receptacles shall be weatherproof.
(4) Operating buttons may be provided in the elevator car provided that such buttons shall operate the car only when the bow iron is not in contact with the sidewalk doors.
(5) Operating buttons may be provided, mounted on the underside of the sidewalk doors in such a manner as to be clear of the automatic screens, provided that such buttons shall operate the car only when doors are held in the fully open position by the hold-open bar or device.
(6) Operating buttons for operation of the elevator from the hall landings shall not be used except the access switch required for access to the pit where biparting vertically sliding doors are installed at the lowest landing. The access switch shall operate the car only when the bow iron is not in contact with the sidewalk doors.

(7) Operation shall be of the continuous-pressure type.
(8) When it is intended to discontinue the use of a sidewalk elevator for an extended period of time, power elevators shall comply with the requirements of Section 3071(k) and hand power elevators shall comply with Section 3077(j).

s 3075. Sidewalk Elevators Without Sidewalk Doors.
(a) General Requirements.
(1) Sidewalk elevators without sidewalk doors shall be of the hydroelectric type.
(2) Sidewalk elevators may be installed inside the building with the top landing opening onto the sidewalk or other outside area served, but without any opening into the interior of the building at the top landing.
(3) The rated speed for sidewalk elevators of this type shall not exceed 150 feet per minute.
(4) Sidewalk elevators of this type shall conform to all sections of Article 9 as they apply to freight elevators, subject to the following requirements:
(A) The car frame shall be of a type without a crosshead.
(B) No car top shall be provided.
(C) The car shall be enclosed to a height of 6 feet except for the necessary entrances.
(D) The underside of the hoistway ceiling shall be not less than 10 feet 6 inches above the car floor when the car floor is level with the top landing nor less than 10 feet above the car floor when the ram has reached its extreme limit of travel in the up direction.
(E) The requirements for car top inspection, car top stop switch, light, and convenience outlet shall not apply.
(F) Access switches for car top inspection are not required.
(5) The hoistway enclosure shall be smooth and flush except for the necessary entrances with no recesses or projections in the hoistway walls.
Group II regulations apply to existing elevators installed prior to October 25, 1998. Italicized paragraphs, sentences, or phrases apply to all existing elevators while non-italicized apply to elevators installed after 1970 or after the date the regulation was adopted.

s 3076. Hoistways, Hoistway Enclosures, and Related Construction.
(a) Construction of Hoistways and Hoistway Enclosures.
(1) Hoistways of hand elevators shall be enclosed as required for power-driven elevators in Section 3010(a).
(2) The strength of the hoistway enclosure shall be as required in Section 3010(b).

(3) The construction at the bottom of the hoistway shall comply with Section 3010(c).
(b) Machine Rooms and Machinery Spaces.
(1) Hand elevator machines may be located inside the hoistway enclosure at the top or bottom intervening enclosures or platforms. Machines of hand sidewalk elevators having a travel of not more than one story are not required to be enclosed.
(2) The access to machine rooms and machinery spaces shall comply with Section 3011(c) except that vertical ladders with handgrips may be used for access from building floors where the difference in level exceeds 3 feet.
(3) Permanent electric lighting shall be provided in all machine rooms or machinery spaces.
(c) Machinery and Sheave Beams, Supports, and Foundations.
The machinery and sheave beams, supports, and foundations shall comply with the requirements of Section 3015.
(d) Pits. A pit shall be provided at the bottom of every hand elevator hoistway. These pits shall extend the entire area of the hoistway and shall be of sufficient depth so that there will be not less than 12 inches clearance between the bottom of the pit and the underside of the elevator when the elevator is landed on the fully compressed buffers or bumpers. The pit shall be not less than 30 inches deep.
(e) Bottom and Top Clearances and Runby for Cars and Counterweights.
(1) The top car clearance shall be not less than the sum of the following:
(A) The bottom counterweight runby, if any.
(B) The stroke of the counterweight buffer where buffers are used.
(C) 12 inches.
(2) The top counterweight clearance shall be not less than the sum of the following:

(A) The bottom car runby, if any.
(B) The stroke of the car buffers where buffers are used.
(C) 6 inches.
(3) The top car clearance shall be not less than 18 inches with the platform level with the top landing.
(4) Bumpers or buffers shall be provided under all hand-powered elevators.
(f) Hoistway Clearance. The horizontal clearance between the car and the hoistway or the car and the counterweights shall comply with Section 3018 except that shear plates described in Section 3018(g) need not be provided when the car will not travel in the up direction with 150 pounds on the platform and the brake released.
(g) Protection of Spaces below Hoistways. The requirements of Section 3019 shall apply.
(h) Protection of Hoistway Landing Openings.
(1) Hoistway landing openings shall be provided with vertically sliding semi-automatic or full automatic gates not less than 66 inches high of a design that will reject a ball 2 inches in diameter. Gates shall be so constructed and guided as to withstand a lateral force of 100 pounds concentrated at the center of the gate without being deflected beyond the line of the landing sill, and a force of 250 pounds without forcing the gate from its guides or breaking the gate.
Exception: Where architectural conditions or necessary access to the operating rope preclude the use of 66 inch high gates, the following conditions are permitted.
1. A top landing full automatic gate may be not less than 41 nor more than 43 inches high.
2. A lowest landing full automatic gate not less than 41 nor more than 43 inches high may be used if it disappears into the pit.
3. Semi-automatic gates not less than 41 nor more than 43 inches high may be used at any landing.
(2) Where any gate less than 66 inches high is used at any landing other than the top landing, telltale chains or ropes not less than 4 feet long nor more than 5 inches apart shall be hung from the lower edge of the car platform adjacent to such gates.
(3) Slots in gates required for access to the operating rope or the brake rope or such slots in the hoistway enclosure shall not exceed 5 inches in width.
Exception: Elevators installed before June 5, 1947.
(4) Full automatic gates shall be provided with mechanical locks that prevent the gate from being opened unless the opening device is operated by the elevator car. Semi-automatic gates shall be provided with mechanical locks to prevent the gate from being opened unless the elevator car is within the landing zone.

s 3077. Machinery and Equipment.
(a) Car Construction.
(1) Cars shall be enclosed on the sides not used for entrance. The deflection of the enclosure shall be not more than 1/4 inch when subjected to a force of 75 pounds applied perpendicularly to the car enclosure at any point. The enclosure shall be secured to the car platform or frame in such a manner that it cannot work loose or become displaced in ordinary service.

Exception: Sidewalk elevators.
(2) Car tops shall be provided for hand-powered freight elevators and shall comply with the requirements for tops on power-driven freight elevators, as enumerated in Section 3034(c).
Exceptions:
1. Where all gates, when closed, come down to within 2 inches of the floor except the lowest landing gate.
2. Elevators having a rise of not more than 15 feet.
(3) The car shall be provided with an electric light controlled by a switch on the car, or on elevators with no car top and a rise of not more than 15 feet, the light may be at the top of the hoistway.
(4) Car frames and platforms shall be of metal or sound seasoned wood design with a factor of safety of not less than 4 for metal and 6 for wood, based on the rated load uniformly distributed.

Connections between frame members of the car frame and platform shall be riveted, bolted, or welded.
Sidewalk elevator platforms shall be provided with steel bow-irons to open the sidewalk doors.
(5) Glass shall not be used in elevator cars.
(b) Car Safety Devices.
(1) Hand elevators shall be provided with a car safety device.
Exception: Elevators installed before January 1, 1925, having a rise not exceeding 15 feet.
(2) Governor actuated safeties shall be located below the car platform and shall be approved by the division as required in Section 3106 and the governor and safety tested on each installation as required by Section 3035.
(3) Safety devices actuated by the breaking or slackening of the hoist cables shall be drop tested on each installation and the test shall be witnessed by a representative of the division.
(4) Where the travel exceeds 40 feet, driving machines having hand-operated brakes shall also be equipped with an automatic speed retarder.
Exception: Elevators installed before January 1, 1925.
(c) Capacity and Loading.
(1) The rated load of hand elevators shall be not less than 50 pounds per square foot of net inside car area.
(2) A metal plate shall be fastened in a conspicuous place in the elevator car and shall bear the following information in not less than 1/4 inch letters or figures; stamped, etched, or raised on the surface of the plate.
(A) Rated load in pounds.
(B) The maximum number of passengers to be carried based on 150 pounds per person (if passenger elevator).

(C) Suspension data required by Section 3077(i)(5).
(d) Load and Car Safety Test. A rated-load test and a test of the car safety device with rated load in the car, shall be made of every new elevator before it is placed in regular service. See Section 3077(b).
(e) Guide Rails and Fastenings.
(1) Cars and counterweights shall be provided with guide rails of steel or straight-grained seasoned wood.
(2) Guide rails for sidewalk elevators shall be of steel.
(3) Guide rails shall be securely fastened with through-bolts or clips of such strength, design, and spacing that:
(A) The guide rails and their fastenings shall not deflect more than 1/4 inch under normal operation.
(B) The guide rails and their fastenings shall withstand the application of the safety when stopping the car with rated load or when stopping the counterweight.
(4) Car and counterweight guide rails shall rest on suitable supports and extend at the top of the hoistway sufficiently to prevent the guide shoes from running off the guide rails in case the car or counterweight travels beyond the terminal landings.
(f) Counterweights.
Sections of counterweights, whether carried in frames or not, shall be secured by at least two tie rods passing through holes in the sections. The tie rods shall have lock nuts at each end, secured by cotter pins.
(g) Driving Machines and Sheaves.
(1) The factors of safety, based on the static loads, to be used in the design of driving machines and sheaves shall be not less than 8 for wrought iron or wrought steel and 10 for cast iron or other materials.
(2) Driving machines shall be equipped with a hand brake or an automatic brake operating in either direction of motion of the elevator, and capable of stopping and holding the car with its rated load. When the brake has been applied, it shall remain in the "On" position until released by the operator.
(h) Power Attachments.
(1) Hand elevators shall not be equipped with any means or attachment for applying electric or other power.
(i) Suspension Means.
(1) Suspension means shall consist of not less than two wire ropes or chains.
(2) The factor of safety used in determining the size and number of the suspension members shall be not less than 5, based on the weight of the car and its rated load.
(3) The length of suspension means shall be such as to provide the minimum top car and counterweight clearances.
(4) Drum ends of suspension means shall be secured to the inside of the drum by clamps or babbitted sockets, and there shall be not less than one complete turn of the suspension means around the winding drum when the car or counterweight is resting on its buffers.
(5) The capacity plate required by Section 3077(c)(2)(C), shall state the size, rated ultimate strength, and material of the suspension means. The date of installation of the suspension means shall be shown on a metal tag attached to the suspension fastenings.
(j) Out-of-Service Requirements. When it is intended to discontinue the use of a hand powered elevator for an extended period of time, the cables shall be disconnected and the car and counterweights landed satisfactorily.

Hand and power dumbwaiters shall comply with the requirements of this article,
except that hand dumbwaiters serving not more than two consecutive stories and
having a capacity of 20 pounds or less and a car platform area of not more than
2 square feet need not comply with these regulations.

s 3078. Enclosure of Hoistways, Machine Rooms and Machinery Spaces.
The enclosures shall be building walls, ceiling materials and fireproofing conforming to governing building codes. The regulations included in this section establish minimum standards for hoistway enclosures. These regulations are not intended to supersede applicable local building codes establishing higher standards.
(a) Dumbwaiter Hoistway Enclosures. Hoistway and hoistway enclosures shall comply with the following:

(1) Section 3010(a). Enclosures of Hoistways.
(2) Section 3010(b). Strength of Enclosures.
(3) Section 3010(c). Construction at Bottom of Hoistway.
(4) Sufficient overhead clearance shall be provided for reasonable overtravel and final stopping.
Exception: Dumbwaiters of the undercounter type.
(b) Dumbwaiter Machine Rooms, Machinery Spaces, and Access to Machinery.
(1) The control panels shall be located to conform to the requirements of CCR, Title 24, Part 3, Article 620.
(2) When overhead machines of power dumbwaiters are located within the hoistway, the following regulations shall apply:
(A) The controller shall be located outside the hoistway.

(B) A floor capable of supporting 300 pounds shall be installed below the machine in hoistways over 9 square feet in area.
(C) Access to the machine space shall be provided by means other than the top hoistway landing door.
(D) Access to all parts of the machine shall be provided from the access door, or additional doors, or removable panels shall be installed in the hoistway enclosure for safe and convenient access to the machine.
(E) Access doors shall be not less than 18 inches in the least dimension, nor less than 4 square feet in area, and shall be kept locked.
Exception: Removable panels shall be provided with an electric contact that will prevent operation of the dumbwaiter when the panel is removed.
(F) Access to the machine space may be by means of a portable ladder provided the bottom of the access door is not more than 8 feet above floor level and the access door is located below the room ceiling line.

(G) Access to the machine space shall be by means of a permanent ladder or stairs when the bottom of the access door is more than 8 feet above floor level or when the access door is located above the room ceiling in an attic or crawl space.
1. Landings at the top of permanent ladders and walkways in attics or crawl spaces shall be provided. The headroom above walkways shall be not less than 4 feet and the walkways shall be provided with permanent electric lighting.
(3) When basement machines of power dumbwaiters are located within the hoistway, the following regulations shall apply:
(A) The controller shall be located outside the hoistway.
(B) The machine space shall be provided with an access door.
(C) The access door shall be not less than 18 inches in its least dimension and shall be kept locked.
(D) The access door shall be provided with an electric contact that will prevent the dumbwaiter from operating with the door open.

(E) Access to overhead sheave spaces shall be provided. The access shall conform to the requirements for access to overhead machines in Section 3078(b)(2) unless the equipment at the top of the hoistway can be serviced safely from the hoistway landing door.
(4) When the machines of power dumbwaiters are located outside the hoistway, either above or at the side, the following regulations shall apply:
(A) Machine rooms or machine enclosures shall be provided conforming to the requirements of machine rooms for elevators in Section 3011 or the machine shall be enclosed with removable panels provided with electric contacts that will prevent the dumbwaiter from operating with the panels removed.
(B) Access to machine rooms or machine enclosures located above the hoistway shall conform to Section 3011(c) except that a permanent ladder may be installed for access to the roof or attic space.
(C) The clear headroom in machine rooms or machine enclosures located outside the hoistway shall be not lss than 6 feet 3 inches.

(5) Handpower dumbwaiter machines may be located inside the hoistway enclosure at the top or bottom without intervening enclosures or platforms.
(c) Electrical Wiring, Pipes, and Ducts in Dumbwaiter Hoistways, Machine Rooms, or Machinery Spaces.
(1) Electrical wiring and equipment in dumbwaiter hoistways, machine rooms, and machinery spaces shall comply with CCR, Title 24, Part 3, Article 620.
(2) The installation of pipes, ducts and wiring shall comply with Section 3012.
(d) Dumbwaiter Machinery and Sheave Beams, Supports, and Foundations. Machinery and sheave beams, supports, and foundations shall comply with the applicable requirements of Section 3015.
Exception: Hand dumbwaiter machines may be supported by wood beams.
(e) Pits for Dumbwaiters.
(1) Pits are not required for power or hand dumbwaiters; however, sufficient pit and bottom clearance shall be provided for reasonable overtravel and automatic final stopping.
(2) Dumbwaiter pits shall be maintained in reasonably clean and dry condition.
(f) Horizontal Car and Counterweight Clearances. Horizontal car and counterweight clearances shall conform to Sections 3018(a), 3018(b), 3018(c), and 3018(d).
(g) Protection of Spaces Below Hoistways of Dumbwaiters. Where the space below the hoistway is used for a passageway, or is occupied by persons, or if unoccupied is not permanently sealed against access, the following requirements shall be conformed to:
(1) Dumbwaiter cars and their counterweights shall be provided with safeties which may be operated as a result of the breaking of the suspension means and which may be of the inertia type without governors. The safety may be located in the car or counterweight crosshead. See Section 3079 for test requirements.
(2) The cars and counterweights shall be provided with spring buffers. Oil buffers may be used.

(A) Spring buffers shall be so designed and installed that they will not be fully compressed when struck by the car with its rated load at 125 percent of rated speed, or governor tripping speed if a governor is used.
(3) Car and counterweight buffer supports shall be of sufficient strength to withstand without permanent deformation the impact resulting from the condition listed in Section 3078(g)(2)(A).
Exception: Where it can be demonstrated by recognized engineering calculations, submitted in writing by a qualified engineer, that the structure over the passageway, vault, or other usable space is capable of withstanding the impact of the loaded car or the counterweights falling their maximum distance, no safety device or buffers need be provided.
(h) Protection of Hoistway Landings Openings.
(1) Hoistway landing openings of power dumbwaiters shall be provided with hoistway doors or gates which will fill the full height and width of the openings.
(2) Hoistway landing openings of hand dumbwaiters having a landing sill that is less than 30 inches above the floor level shall be protected by doors or gates which will close automatically when the car leaves the landing. When the doors or gates are arranged so there is no possibility of a shear, these doors or gates may be full automatic.
(3) The width and height of door openings for power dumbwaiters shall not exceed the width and height of the dumbwaiter car by more than 1 inch in each dimension.
Exception: One door opening may be of sufficient size to permit installing and removing the car, but shall be not more than 4 feet 9 inches in height.
(4) The width of door openings for hand dumbwaiters shall not exceed the width of the car by more than 6 inches, and the maximum height of the opening for any height of car shall be 54 inches.
(5) Hoistway gates shall comply with the applicable portions of Section 3020(c).
(6) Hoistway doors of the horizontal or vertical slide or of the swing-type, shall be located so there is not more than 4 inches from the inside face of the door to the nose of the landing threshold.
(i) Hoistway Door Locking Devices. Hoistway doors or gates of power dumbwaiters shall be equipped with interlocks or combination mechanical locks and electric contacts (contact locks) approved for use on dumbwaiters.
Exceptions:
1. Doors or gates of existing dumbwaiters installed with electric contacts provided the landing sill is not less than 30 inches above the floor level.
2. Doors or gates of dumbwaiters installed before June 5, 1947 with approved devices to prevent the operation of the dumbwaiter with any door or gate open.
3. Existing hydraulic dumbwaiters equipped with semi-automatic or full automatic doors or gates.
4. Hoistway doors or gates for dumbwaiters having a capacity of 20 pounds or less and doors or gates not more than 18 inches wide or 24 inches high may be equipped with approved devices to prevent operation of the dumbwaiter with any door or gate open.

(Title 24, Part 7, Section 7-3078)

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

s 3079. Machinery and Equipment for Hand and Power Dumbwaiters.
(a) Dumbwaiter Cars.
(1) Cars shall be of solid or openwork construction on all sides except the necessary openings and of such strength and stiffness that they will not deform appreciably when the load leans or falls against the sides of the car.
(2) Nonmetal cars shall be reinforced with metal from the bottom of the car to the point of suspension.
Exception: Hand dumbwaiters.
(3) Metal car sections shall be riveted, welded or bolted together.
(4) The total inside height of the car shall not exceed 4 feet. The inside net floor area shall not exceed 9 square feet.
(5) Cars shall be provided with a platform and a solid car top.
(b) Structural Capacity Load. Driving machines, car and counterweight suspension means, and overhead beams and supports shall be designed and installed to sustain the car with a structural capacity load not less than that specified in Table 3079B, based on the inside net platform area or the rated load, whichever is greater, with the factors of safety specified in the respective rules applying to such parts. The motive power shall not be required to be sufficient to lift the structural capacity load.
TABLE NO. 3079B Minimum Allowable Structural Capacity Load Corresponding to
Inside Net Platform Area

Net Platform Area .. Structural Capacity
in Square Feet ...... Load in Pounds
4.................... 100
5.................... 150
6 1/4................ 300
9.................... 500

(c) Rated Load.
(1) The rated load shall be not more than 500 pounds.
(d) Capacity and Data Plates.
(1) A metal plate shall be fastened in a conspicuous place in the car and shall give the rated load in letters and figures not less than 1/4 inch high, stamped, etched or raised on the surface of the plate.
(2) A data plate shall be attached inside or on the car top and indicate the following:
(A) Manufacturer's name and date of installation.
(B) Total weight of car.
(C) Rated speed.
(D) Wire rope data required by Section 3042(b)(1) for cabled dumbwaiters.
(E) The outside diameter and wall thickness of the finished plunger for hydraulic dumbwaiters.
(F) The height of data plate letters and figures shall be not less than 1/8 inch.
(e) Car and Counterweight Safeties.
(1) Car or counterweight safeties are not required except as specified in Section 3078(g).

(2) Governors and governor actuated safeties shall be approved as required for elevators in Design Sections 3105 and 3106. A field test shall be conducted witnessed by a representative of the division.
(3) Safeties actuated by breaking or slackening of the hoist ropes shall be drop tested on each installation. The test shall be witnessed by a representative of the division.
(4) The safety device need not be located below the car or the counterweight.
(f) Driving Machines and Sheaves.
(1) Driving machines shall be located in machine rooms or machine spaces and shall be one of the following types:
(A) Drum
(B) Traction
(C) Screw

(D) Plunger
(E) Single Belt
(F) Chain Drive
(2) Driving machines and sheaves shall be designed with a factor of safety, based on the static load (the rated load plus the weight of the car, ropes, counterweights, etc.) of not less than:
(A) 6 for steel, and
(B) 9 for cast iron and other materials.
(3) Sheaves and drums used with suspension ropes shall:
(A) Be of metal with finished grooves, except that grooves of sheaves not used to transmit power, may be lined with rubber or other sound isolating material.
(B) Have a pitch diameter not less than 24 times the diameter of the rope where used with suspension ropes.

(4) Belts used as the driving means between the motor and the machine of power dumbwaiters shall comply with the following requirements:
(A) Where flat belts are used, the rated speed shall be not more than 50 feet per minute.
(B) Where multiple V-belts are used, the rated speed shall be not more than 150 feet per minute.
(5) Electric and hand driven machines shall be equipped with brakes as follows:
(A) Electric driving machines shall have electrically released brakes applied automatically by springs in compression or by gravity when the power is removed from the motor.
(B) Belt drive machines shall be equipped with a brake located so as to be effective in event of belt failure.
(C) Handdriving machines shall be equipped with hand brakes or automatic brakes which will sustain the car and its rated load. When the brake is applied, it shall remain locked in the "ON" position until released by the operator.
(6) Hydraulic driving machines shall conform to Section 3067, except they may be other than the direct plunger type.
(g) Car and Counterweight Guides and Guide Fastenings.
(1) Car and counterweight guide rails for power dumbwaiters shall be of metal of such design and strength, and so supported as to withstand without undue deflection the loads imposed upon them under normal conditions of service or upon application of a required safety device.
Exception: Dumbwaiters having a capacity of 20 pounds or less may have guides of wood or spring steel wires maintained in tension.
(2) Cars and counterweights of all dumbwaiters shall run in guides. The same set of guide rails may be used for both the car and counterweight.
(3) Guides shall be securely fastened to the hoistway.
(4) Guides for hand dumbwaiters may be of wood.

(5) Guide-rail joints shall be either tongued and grooved or doweled and fitted with splice plates.
(h) Counterweights. Counterweights may be of sectional construction, supported by tie rods provided they are secured by at least two tie rods. Tie rods shall have lock nuts secured by cotter pins.
(i) Means of Suspension and Fastenings.
(1) Cars and counterweights for power dumbwaiters except those having hydraulic or screw-type driving machines, shall be suspended by one or more iron or steel wire hoisting ropes or chains secured to the car or counterweight or rope hitch by babbitted sockets, rope clamps, or equally substantial fastenings.
(A) Suspension ropes shall be provided with a rope data tag conforming to Section 3042(c).
(B) Suspension chains shall be provided with data tags similar to Section 3042(c).

(2) Chains, where used, shall be roller, block, or multiple-link silent type.
(3) The factor of safety, based on the static load, of car and counterweight suspension means of power dumbwaiters shall be not less than the value specified in Table 3079I for the actual speed of the rope or chain corresponding to the rated speed of the dumbwaiter. The fastenings for the suspension means shall develop not less than the factor of safety required for the suspension means.
TABLE NO. 3079I Factors of Safety for Wire Ropes and for Chains

Rope or Chain Speed ............. Factor of Safety
Feet per Minute ....... For Ropes For Chains
50..................... 4.8 6.0
100.................... 5.2 6.5
150.................... 5.5 6.9
200.................... 5.9 7.4
250.................... 6.2 7.8
300.................... 6.6 8.3
350.................... 7.0 8.8

400.................... 7.3 9.1
450.................... 7.7 9.6
500.................... 8.0 10.0

(4) The suspension means for hand dumbwaiters shall conform to the following:
(A) Dumbwaiters having a rated load of more than 75 pounds shall be suspended by steel wire ropes or chains having a factor of safety of not less than 4 1/2.
(B) Dumbwaiters having a rated load of 75 pounds or less may be suspended by manila or braided-cotton ropes having a factor of safety of not less than 6.
(5) Wire ropes shall not be lengthened or repaired by splicing.
(6) The winding-drum ends of car and counterweight ropes or chains shall be secured inside the drum, and there shall be not less than one turn of the rope or chain on the drum when the car or counterweight has reached the extreme limit of its overtravel.
(j) Control and Operation of Power Dumbwaiters.

(1) Operation shall be of the automatic or continuous pressure type.
(2) Dumbwaiters equipped with winding-drum machines, shall be equipped with a slack-rope switch which will remove the power from the motor and brake if the car is obstructed in its descent.
Exception: Dumbwaiters installed before June 5, 1947.
(3) Operating devices shall be of the enclosed electric-type.
(4) When it is intended to discontinue for an extended period of time, the use of a dumbwaiter, the car and counterweight shall be landed satisfactorily and the power shall be disconnected.
(k) Terminal Stopping Devices for Power Dumbwaiters. Normal terminal stopping devices conforming to the requirements of Section 3039(a) shall be provided.
Exception: The switch contacts shall be directly opened mechanically. Arrangements which depend on a spring, or gravity, or a combination of both, to open the switch contacts, shall not be used.
(l) Hydraulic Dumbwaiters. Valves, supply piping, fittings and tanks for hydraulic dumbwaiters shall conform to Sections 3068 and 3069.
(Title 24, Part 7, Section 7-3079)

Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code; and Section 18943, Health and Safety Code.

s 3080. Electric Material Lifts with Automatic Transfer Devices.
(a) Hoistways, Hoistway Enclosures and Related Construction. Hoistway, hoistway enclosures and related construction shall conform to the requirements of Article 7, except as Sections are modified by the following:
(1) Section 3010. When cutouts are required in doors for the accommodation of any part of the transfer device, the fire resistance rating of the closed hoistway entrance assembly shall be maintained as required by the governing local building code.
(2) Section 3018(d). The running clearance between any part of a car mounted transfer device and the hoistway sill shall be not less than 1/2 inch.
(3) Section 3020(a)(4). This section does not apply.
(4) Section 3020(b)(11). Only the following types of entrances shall be used with material lifts with automatic transfer devices:
(A) Horizontal slide, single or multi-section.
(B) Power operated, vertical slide, bi-parting, counterbalanced.
Exception: Manual doors are permitted at landings where the automatic transfer device is inoperative and carts are transferred manually.
(5) Section 3020(b)(15). The transfer mechanism or stationary track shall not project beyond the line of the landing sill unless solid-type guide shoes are provided on the car.

(A) The running clearance between the car and any projection of the transfer mechanism shall not be less than 1/2 inch.
(6) Section 3020(b)(18). The area of hoistway door vision panels where provided shall be not less than 9 square inches.
(7) Section 3020(a)(3)(D). This Section does not apply.
(8) Section 3021(d)(2). In restricted areas only and when access to the hoistway doors is blocked by a permanently floor mounted transfer mechanism the hoistway doors shall close and lock before the car has traveled more than 18 inches away from the landing.
(9) Section 3021(k)(3)(C). The switch required by this section may be located in the central operating station.
(10) Section 3022 (b) (4).
(A) In nonrestricted areas, all the provisions of section 3022(b) (4) shall apply except item (C).

(B) In restricted areas only and when access to the hoistway doors is blocked by a permanently floor mounted transfer mechanism, Section 3022 (b)(4) does not apply except Section 3022 (b)(4)(F).
(b) Machinery and Equipment. The machinery and equipment shall conform to the requirements of Article 8 except Section 3041 and except as Sections are modified by the following:
(1) Section 3031(a)(3). Oil buffers or their equivalent shall be used where the rated speed is in excess of 300 feet per minute.
(2) Section 3031(c). The rated car speeds that determine the buffer strokes specified in the Section may be increased by 100 feet per minute.
(3) Section 3031(f). The rated car speeds that determine the buffer strokes specified in the regulation may be increased by 100 feet per minute.
(4) Section 3033(e). Transfer device on the floor of the lift may serve as a platform. Open areas in the platform shall be covered with solid flooring, grille or perforated metal. Any openings in such material shall reject a ball 2 inches in diameter. The flooring shall be designed to sustain a 300 pound load on any square area 2 feet on a side and 100 pounds at any point. Simultaneous application of these loads is not required.
(5) Section 3034(a)(4). Top emergency exits are not required.
(6) Section 3034(c)(1). Grille or perforated construction may be used for the full height and top of car enclosure. The car enclosure shall be not less than the height of the hoistway entrance.
(7) Section 3034(d)(1). Car doors and gates may be omitted for lifts in restricted areas if required by the type of transfer device used and drawings giving details of the installation are submitted to the division before construction is started.
(8) Section 3034(f)(1). Vertical sliding car doors may be power operated.
(9) Section 3034(f)(5). Where the openings exceed 6 feet in height, the doors or gates shall extend from the car floor to a height of not less than 6 feet. Where the openings are 6 feet or less in height, the car doors or gates shall extend from the car floor to the full height of the opening.

(10) Section 3035(h)(1). Type A safeties are permitted for lifts having a rated speed of 200 feet per minute or less.
(11) Section 3037(b)(1). The rated load of the lifts shall be based on the weight of the maximum load to be handled or on 50 pounds per square foot of inside net platform area, whichever is greater.
(12) Section 3037(d). Lifts shall be restricted to handling of material only and shall not be used to carry persons. A sign conforming to the requirements of Section 3037 (e)(2) and reading "No Persons Permitted" or an equivalent warning shall be provided and shall be mounted in the car.
(13) Section 3037(e). This section does not apply.
(14) Section 3040(b)(5). An emergency stop switch (switches) conforming to Section 3040(b)(5) shall be provided to stop operation of the lift, the door operation and transfer device operation. The emergency stop switch shall be located in the car adjacent to each entrance in a position that shall be accessible to a person standing at the floor adjacent to the car entrance. If a permanently mounted transfer device, located at the landing, blocks the entrance to the car, an emergency stop switch shall be located at that landing in a position accessible to a person standing near that landing in addition to the emergency stop switch in the car.
(A) A switch shall be mounted adjacent to each landing entrance that will stop the operation of power operated doors and the transfer device at that landing.
(15) Section 3040(a). Car operating devices shall not be permitted unless required for maintenance and, if furnished, shall be in a key-locked cabinet or controlled only by a key-operated switch.
(c) Lifts with Obscured Transfer Devices. Any lift which contains a transfer device not readily visible (e.g., lifts handling self propelled carts or with the transfer device mounted fully below floor with slot operation) shall conform to the requirements of Article 7 and Article 8 of these orders and shall be classified as an elevator. Such elevators are required to have dual control systems. One shall be for use as a material lift and the other for use as an elevator. One system shall be locked out of operation when the other is in use.

Note: Authority cited: Section 142.3, Labor Code.

s 3081. Hydraulic Material Lifts with Automatic Transfer Devices.
Hydraulic lifts shall conform to the requirements of Article 9 except as modified by Sections 3080(a), 3080(b) and 3080(c).
Group II regulations apply to existing elevators installed prior to October 25, 1998. Italicized paragraphs, sentences, or phrases apply to all existing elevators while non-italicized apply to elevators installed after 1970 or after the date the regulation was adopted.

s 3082. Power Dumbwaiters with Automatic Transfer Devices.
Power dumbwaiter with automatic transfer devices shall conform to the requirements of Article 12 except as Sections are modified by the following and by the additional orders in this section.
(a) Section 3078(1). All hoistway entrances shall be equipped with approved interlocks.
(b) Section 3079(a)(4). The effective inside height of the car above or below the transfer device shall not exceed 4 feet.
(c) Section 3079(a)(5). The transfer device on the floor of the lift shall be permitted to serve as a platform. Open areas in the floor shall be covered with solid flooring, grille or perforated metal, and openings in such material shall reject a ball 2 inches in diameter and shall support not less than 300 pounds on any square area 2 feet on a side.
(d) Section 3079(e). Safety Devices. Safety devices shall be provided when the inside net floor area exceeds 6 square feet or the gross load exceeds 1500 lbs.
(1) Where the gross load (i.e., car transfer device, rated load, gates, operating devices, etc.) exceeds 1500 pounds, car safeties conforming to the requirements of Section 3080(b) (10) shall be provided.
(2) Where the gross load does not exceed 1500 pounds and the rated speed does not exceed 100 f.p.m., a safety actuated by inertia or as the result of the parting of the hoisting ropes may be provided.
(e) Section 3079(j). Emergency Stop Switch. An emergency stop switch (switches) conforming to Section 3040(b)(5) shall be provided to stop operation of the lift, and stop the door operation and transfer device operation. The stop switch shall be located in the car adjacent to each entrance in a position that shall be accessible to a person standing at the floor adjacent to the car entrances and outside the path of the transferred load. A switch or button shall be mounted adjacent to each landing entrance that will stop the operation of power operated doors and the transfer device at that landing.
(f) Section 3079(b). Structural Capacity Load. Dumbwaiters with automatic transfer devices which have a net inside platform area of 3.75 square feet or more shall be rated for a lifting load of not less than 300 pounds.
(g) Access Switches. Dumbwaiters required by Section 3079(d) to be provided with safety devices shall be provided with access switches conforming to Section 3021(k) except that the switch required by 3021(k) (3)(C) may be located in the central operating station.
(h) Car Top Operation. Dumbwaiters required to have access switches shall be provided with means to operate the dumbwaiter from the top of the car conforming to Section 3040(a)(4).

s 3083. Automatic Transfer Devices.
(a) Where used in nonrestricted areas, the automatic transfer device shall be so designed that the kinetic energy of the load during the discharge shall not exceed 30 foot-pounds and the speed shall not exceed 11/2 feet per second. When the transfer device is mounted on the car, the load shall be capable of being stopped by a force of 100 pounds. The transfer device shall stop the load at the completion of a discharge operation. A flashing light or a gong shall be actuated on the start of door opening prior to transfer.
(b) Where the transfer of load is in a nonrestricted area, there shall be a clearance of not less than 4 feet between the end of the transferred load and any fixed obstruction in line with the end of the load.
Exception: A clearance of not less than 2 feet will be allowed where the system is arranged to prevent the automatic transfer of more than one load into the area.
(c) In nonrestricted areas, discharge shall not take place unless the area is clear or a protective device or suitable guarding is provided. Guarding means shall be:
(1) Railings or suitable barriers to prevent persons from entering the path of transfer accidentally or colliding with a discharging load, or
(2) Mechanical or electrical devices designed to prevent or stop transfer if a person or object is in the path of the transferring load, or
(3) When transfer load is on a table or section raised not less than 18 inches above the floor, and load does not overhang the table or raised section and the distance between car platform sill and the nearest edge of table does not exceed 6 inches.
Group II regulations apply to existing elevators installed prior to October 25, 1998. Italicized paragraphs, sentences, or phrases apply to all existing elevators while non-italicized apply to elevators installed after 1970 or after the date the regulation was adopted.

s 3084. Incline Elevators.
(a) Hoistway, Hoistway Enclosures, Related Construction, Machinery, and Equipment. Hoistway, hoistway enclosures, related construction, machinery and equipment for incline elevators shall conform to the requirements of Article 7 and 8.
Exception: Incline elevators which do not comply with the regulations of Article 7 and 8 may be installed if their plans, specifications, and general arrangement have been approved by the Division in writing before construction of the incline elevator has begun.

Note: Authority cited: Section 142.3, Labor Code.

s 3085. Special Purpose Personnel Elevators.
(a) Scope: This Article applies to elevators permanently installed in a wide variety of structures and locations to provide vertical transportation of authorized personnel and their tools and equipment only. Such elevators are typically installed in structures such as grain elevators, radio antenna and bridge towers, underground facilities, dams, power plants, moving and stationary cranes, derricks and similar structures where, by reason of their limited use and the types of construction of the structures served,full compliance with Articles 7 and 8 is not practical or necessary.
(b) Nonguided or wire-rope guided hoists are prohibited except that wire-rope guided special purpose personnel elevators may be used in chimney and stack type construction provided the elevator is: (1) Designed by a civil or mechanical engineer registered in California; (2) The elevator is erected under the supervision of a qualified engineer; (3) The engineering design and calculations have been approved by the Division prior to installations and (4) A valid operating permit has been issued by the Division prior to use of the elevator.
(c) Elevators in manholes or similar difficult structures, which do not fully comply with this Article, may be installed provided the four conditions listed in subsection 3085(b) are met.
(d) This article applies to new and existing special purpose personnel elevators.
Exception to subsection 3085(d): special purpose personnel elevators previously allowed by variance.
Note: Numbers indicated in brackets following an order refer to the corresponding ANSI A17.1-1981 rule number.
(Title 24, Part 7, Section 7-3085)

Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code. (continued)