Loading (50 kb)...'
(continued)
(2) When beaters are fed manually from the floor above, an emergency stop control within reach of the operator's normal work station shall be provided at the top level.
(3) Where the opening is large enough to admit a worker, any employee feeding the pulper shall be secured with a safety belt with attached lifeline.
(4) Guardrails 42 inches high shall be provided around beaters where tub tops are less than 42 inches from the floor.
(f) Shredders, Cutters, Dusters, and Blowers.
(1) On manually fed shredders, cutters, and dusters, the feed table shall be of such height and distance from the knives as to prevent the operator from reaching or falling into the knives or the operator shall be safeguarded by other acceptable means.
(2) Any manually fed cutter, shredder, or duster shall be provided with a smooth-pivoted idler roll resting on the stock or feed table in front of feed rolls except when arrangements prevent the operator from standing closer than 36 inches to any part of the feed rolls.
(3) Hoods of cutters, shredders, and dusters shall be provided with exhaust ventilation in accordance with Article 107.
(4) The blower discharge outlets and work areas shall be arranged to prevent material from falling onto workers.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4416. Guillotine Type Roll Splitters.
(a) The blade activating control shall be either:
(1) A two-hand control requiring concurrent hand application for each operator and helper who could reach into the danger zone during the cutting process; or,
(2) A control is so located that the operator(s) and helper(s) cannot reach into the danger zone during the cutting process.
(b) Rolls shall be in the horizontal position while being cut and centered directly below the blade.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4417. Broke Hole.
An alarm device shall be actuated or other suitable warning shall be given before dropping material through a broke hole.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4418. Industrial Kiln Guns and Ammunition.
In addition to the requirements of Section 3203, the employer shall develop a written training program to include the safety procedures for storing and operating industrial kiln guns and ammunition. All personnel working with this equipment shall be instructed and trained in these procedures.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4419. Chlorine Dioxide and Sodium Chlorate.
(a) Sodium Chlorate.
(1) Personnel shall be instructed in the handling precautions and special work procedures when working with Sodium Chlorate.
Note: Refer to Manufacturing Chemists Association Chemical Data Sheet No. SD-42 (Sodium Chlorate).
(2) Personnel exposed to direct contact with Sodium Chlorate shall be provided with and shall wear personal protective clothing as required by Article 10.
(3) Facilities for storage and handling of Sodium Chlorate shall be designed, constructed and maintained to eliminate possible contact of dry or evaporated Sodium Chlorate with wood or other material which could cause a fire or explosion.
(b) Chlorine Dioxide.
(1) Where a safety shower is not immediately available and welding or other sources of ignition are present, a "jump tank" shall be provided for employees exposed to contact with sodium chlorate and/or other hazardous chemicals.
(2) Welding or burning shall not be performed on the generator system while it is operating.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4420. Pulp Storage.
Baled paper, rags and pulp shall not be piled over pipelines, or in excess of floor capacity, or stored within 18 inches of walls, partitions, or sprinkler heads.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4421. Recovery Furnace Area.
(a) An audible emergency warning system shall be installed in kraft and soda base sulfite recovery furnace areas.
(b) Smelt-dissolving tanks shall be covered at all times except when samples are being taken.
(c) Exhaust ventilation shall be designed, installed and maintained where niter cake is fed into a rotary furnace to ensure the concentration of hydrogen sulfide gas permissible exposure limit (PEL) meets the requirements of Article 107.
(d) Pressure tank accumulators shall be inspected twice annually. A record of the inspection, including the date and name of the person who made the inspection, shall be kept on file in the plant.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4422. Chocking Rolls and Machine Room.
(a) Emergency Stopping Controls. Pulp and paper machines shall be equipped with emergency stopping control(s) which can be actuated quickly from all normal operating stations. Where necessary, for the safety of employees, the stopping control(s) shall be interlocked with adequate retarding or braking action to stop the machine as quickly as is practical.
(b) All weights installed on levers shall be secured or attached in a manner to prevent slipping or falling.
(c) Winders and Rewinders.
(1) The nip points of all drum winders and rewinders located on the operator's side shall be guarded by either automatic or manually operated barrier guards. The barrier guard shall be interlocked with the drive mechanism to prevent operating above jog speed without the guard in place.
Note: A zero speed switch should be installed to prevent the guard from being raised while the roll is turning.
(2) A nonskid surface shall be provided in front of the rewinder to prevent an employee from slipping.
(d) Core Shaft. When the core shaft weighs in excess of the safe standard, a mechanical device such as a dolly shall be provided for carrying all or part of the weight when it is being removed from the set of paper and placed in the dressing brackets on the winder.
Note: In the event that the force required to extract the shaft from the cores is excessive, even though the weight of the shaft is being supported, a powered shaft puller should be employed to relieve the operator of physical strain.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4423. Paper Machines.
(a) An audible alarm shall be sounded prior to starting up any section of a pulp or paper machine. Sufficient time shall be allowed between activation of the alarm system and start-up of the equipment to allow any persons to clear the hazardous area.
(b) Feeder belts, carrier ropes, air carriage or other equally effective means shall be provided for starting paper into the nip of drum type reels.
Note: 1: A rope-carrying system should be used whenever possible at points of transfer.
Note: 2: Sheaves should be spaced so that they do not create a nip point with each other, and the sheave and its support should be capable of withstanding all intended forces.
(c) To remove deposits from rolls, a specially designed hand-held scraper tool shall be used.
(d) Scraping of rolls shall be performed on the outgoing nip side.
(e) Reels shall stop rotating before being lifted away from the reel frame.
(f) All lifting equipment (clamps, cables, and slings) shall be maintained in a safe condition and inspected regularly.
(g) All drum winder nip points shall be guarded.
Note: Machines should be set up with the drums running outward.
(h) All winder shafts equipped with a winder collar guide shall have a guide rail to align the shaft for easy entrance into the opened rewind shaft bearing housings.
Note: If the winder is large and the rewind shafts are too heavy for manual insertion, powered rewind shaft injectors should be employed.
(i) Core collar set screws used for the securing of core collars to winding and unwinding shafts shall not protrude above the face of the collar. All edges of the collar with which an operator's hand comes in contact shall be beveled to remove all sharp corners.
(j) Shaftless winders shall be provided with a barrier guard of sufficient strength and size to confine the rolls in the event they become dislodged while running.
(k) All calendar stacks and spreader bars shall be grounded as protection against shock induced by static electricity.
( l) All exposed sole plates between dryers, calenders, reels and rewinders shall have a non-skid type surface.
(m) When a powered roll ejector is used, it shall be interlocked to prevent actuation until the receiving platform or roll lowering table is in position to receive the roll.
(n) Unless counterbalanced to prevent falling, the rider roll shall be secured when in the raised position.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4424. Converting Operations.
(a) Rolls handled by cranes or hoists shall not be passed over employees.
(b) Cranes or hoist controls shall not be left unattended while a load is suspended.
(c) Where a hazard to employees exist, all power closing sections shall be equipped with an audible warning system which will be activated when closing the sections.
(d) Slitters, slotters, and scorers not in use shall be stored as not to create a hazard.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4425. Sorting and Counting Tables.
(a) Tables shall be smooth and free from splinters, with edges and corners rounded.
(b) Paddles shall be smooth and free from splinters.
(c) Conveyors which can be adjusted to different elevations upon need and where employees could pass below these sections shall have the floor area painted a distinctive color or otherwise conspicuously marked or identified.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4426. Corrugators.
(a) Recessed floor conveyor systems shall be designed and installed to minimize tripping hazards. Where a tripping hazard(s) exists, the hazard(s) shall be identified by painting it a distinctive color or otherwise be conspicuously marked.
(b) Rails for roll stands and other rail mounted devices shall be installed to comply with the following:
(1) The rails shall be flush with the floor; and
(2) A minimum 18-inch clearance shall be provided between the device(s) and fixed equipment or walls.
(c) Corrugating and pressure rolls shall be equipped with threading guides designed and installed to prevent contact with the operating feed nip.
(d) A minimum 4-inch clearance shall be maintained between heated drums, idler rolls and cross shafting on all preheaters and preconditioners.
(e) A minimum 4-inch nip clearance shall be maintained on the lower elevating conveyor belt rolls of single facer bridges.
(f) Slitter stations not in use shall be disconnected from the power source by positive means.
(g) The adhesive exhaust system shall be designed, installed and maintained to comply with the permissive exposure limits (PEL) contained in Article 107.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4427. Automatically Fed Platen Cutters.
(a) The infeed to the die shall be guarded to prohibit the entry of the operator's hand.
(b) Where hinged or moveable, the guard shall be interlocked to disconnect the power from the prime mover when the guard is in the open position.
(c) A minimum 4-inch clearance shall be provided between the end of the slat and the guide bar.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4428. Calenders and Similar Rolls.
(a) A guard or feeding device shall be provided which will allow feeding of the material without permitting the fingers of the operator to be caught in the nip point(s). This shall be accomplished by:
(1) Provision of a lever, rod or treadle allowing the operator to immediately stop the rolls at the feed point, or
(2) An automatic device which will stop the rolls when the fingers approach the nip point(s).
Note: Use of a "Doctor Feed" is acceptable.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4430. Calender and Similar Rolls (Class B).
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4431. Corner Cutter.
Single and double machines, except manually operated machines, shall be provided with a guard in front of and to the side of the knives.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4432. Corner Stayer.
Corner stayers with or without mechanical power shall be provided with an automatic device that will instantly stop the downward motion of the plunger, should the fingers of the operator come between the plunger and the anvil.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4433. Cutter and Creasers.
Drum cylinder type of cutters and creasers shall be guarded to prevent the operator's hands being caught between the cylinder and the bed.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4434. Rotary Scoring Machines.
Scorers having a roller diameter larger than 2 1/2-inches shall have a guard in front of in-running discs or blades that will prevent injury to the operator's hands while machine is in operation.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4435. Drum Winder on Paper Machine.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4436. Job Platen Press (Class B).
Job platen presses with or without mechanical power shall be provided with one of the following:
(a) An automatic feed which does not require the operator's hands to be placed between the platen and bed, or
(b) An automatic stop which will prevent the platen from closing if the hand or hands of operator are caught between the platen and the bed, or
(c) A guard or gate, mechanically operated, which will throw the operator's hands out of the way as the press closes. If of the type which lifts the hands out of the danger zone the guard shall rise at least four inches above the platen as the press closes and descends by gravity or be drawn down by springs. The guard shall be arranged so that it will prevent a shear between the guard and the top of the platen, or
(d) Any other device that will prevent the platen from fully closing, if the hands of the operator are between the platen and bed.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4437. Index Cutter (Class B).
All knives or plungers used for cutting strips off ends of books and similar operations shall be provided with a guard that will prevent the operator's hands coming into contact with the cutting knife or plunger as it descends.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4438. Guillotine Type Cutters.
(a) Each guillotine type cutter shall be equipped with a control which requires the operator to use both hands to engage the clutch.
(b) Each guillotine type cutter shall be equipped with a nonrepeat device, except programmed machines having barrier guards and/or devices which will effectively prevent employees' hands from entering the danger zone.
(c) Carriers shall be provided and used for transportation of guillotine type cutter knives.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4439. Paper Box Ending and Edge Attaching Machines.
Paper box ending and edge attaching machines shall be provided with an automatic device which will prevent the application of injurious pressure if the fingers of the operator are between the top of the form and the pressure head.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4440. Cylinder and Rotary Presses (Class B).
The in-running sides of power operated rollers or cylinders shall be provided with a guard so arranged that the material can be fed to the rollers without permitting the operator's fingers to be caught between the rollers or cylinders.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4441. Lithographic Presses.
The in-running side of the cylinder(s) and roller(s) shall be provided with a guard that will prevent the operator from being caught between the cylinders or rollers.
Exception: Sheet-fed lithographic presses of one horsepower or less, provided that cylinders and rollers are spring-loaded or cup-mounted, caution signs are posted in the vicinity of such presses, and operators are trained in their safe operation.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4442. Embossing Machines.
Embossers of the head type shall be equipped with:
(a) A fixed guard enclosing front and sides of press with space for feeding stock. The guard shall be so arranged that the operator's fingers cannot go between the press and the die while feeding stock, or
(b) A fixed or a movable guard on the sides and a movable guard in front connected with the operating mechanism in such a manner that the operator's fingers cannot be caught by the press while feeding stock, or
(c) A starting device which requires the simultaneous action of both hands to trip the machine.
Exceptions:
1. Machines with feed such that the hands of the operator cannot come in contact with the die while feeding.
2. Hand-Fed Engraving Presses covered under Section 4445.
Note: Authority and reference cited: Section 142.3, Labor Code.
s 4443. Paper Punches and Line Perforators (Class B).
Mechanical or foot power punches and line perforators shall be provided with a device that will prevent the operator's fingers from entering the point of operation.
Exception: Paper punches and line perforators where the clearance between the opening for feeding stock does not exceed three-eighths inch when in the open position.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4444. Slotters.
(a) Slotters of vertical type.
(1) The knife shall be provided with a stripper, or
(2) Shall be provided with a guard in front of knives so arranged that the hands of the operator cannot come into contact with the knives while machine is in operation.
(b) Rotary Slotter. A guard shall be provided in front of the knives so that the hands of the operator cannot come into contact with the knives while machine is in operation.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4445. Hand-Fed Engraving Presses.
When employing the face-down method of printing, automatic or semi-automatic feeders shall be used where feasible. Where automatic feeders are not feasible, the following listed precautions shall be utilized:
(1) Stock material of sufficient size so that 2 inches or more of the material being printed projects in front of the closed die shall be used.
(2) A finger slot in the counterboard which is 2 inches or more from the die shall be used.
(3) A safety training program for press operators and maintenance personnel to assure safe operating practice and hazard awareness shall be instituted.
(4) A sign readily visible to the operator affixed to the pressand warning of the point of operation hazard shall be in place.
(5) A positive locking device shall be installed on each manualcontrol to protect the press operators from unexpected stroking of the ram. The device shall protect against unintentional engagement of the clutch and shall be engaged in all circumstances when employees are required to place their hands in the point of operation area such as setup, repairs, changing dies and clearing jams.
Note: Authority and reference cited: Section 142.3, Labor Code.
s 4456. General.
The requirements of this Article for textile safety apply to the design, installation, processes, operation, and maintenance of textile machinery, equipment, and other plant facilities in all plants engaged in the manufacture and processing of textiles, except those processes used exclusively in the manufacture of synthetic fibers.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4457. Definitions.
Cards. Cylinders of various sizes and in certain cases flats covered with card clothing and set in relation to each other so that fibers in staple form may be separated into individual relationship.
Card Clothing. The material with which many of the surfaces of a card are covered; e.g., the cylinder, doffer, etc. It consists of a thick foundation material, usually made of textile fabrics, through which are pressed many fine, closely spaced, specially bent wires.
Comber. A machine for combing fibers of cotton, wool, etc. The essential parts are a device for feeding forward a fringe of fibers at regular intervals and an arrangement of combs or pins which, at the right time, pass through the fringe. All tangled fibers, short fibers, and neps are removed and the long fibers are laid parallel.
Drying Cans. Hollow cylindrical drums mounted in a frame so they can rotate. They are heated with steam and are used to dry fabrics or yarn as it passes around the perimeter of the can.
Dye Jig. A machine for dyeing piece goods. The cloth, at full width, passes from a roller through the dye liquor in an open vat and is then wound on another roller. The operation is repeated until the desired shade is obtained.
Garnett Machine. Any of a number of types of machines for opening hard twisted waste of wool, cotton, silk, etc. Essentially, such machines consist of a licker-in; one or more cylinders, each having a complement worker and stripper rolls; and a fancy roll anddoffer. The action of such machines is somewhat like that of a wool card, but it is much more severe in that the various rolls arecovered with garnett wire instead of card clothing.
Loom. A machine for effecting the interlacing of two series of yarns crossing one another at right angles. The warp yarns are wound on a warp beam and pass through heddles and reed. The filling is shot across in a shuttle and settled in place by reed and lay, and the fabric is wound on a cloth beam.
Nip. The point of contact between two in-running rolls.
Ribbon Lapper. A machine used to prepare laps for feeding a cotton comb; its purpose is to provide a uniform lap in which the fibers have been straightened as much as possible.
Shearer. A machine used in shearing cloth. Cutting action is provided by a number of steel blades spirally mounted on a roller. The roller rotates in close contact with a fixed ledger blade. There may be from one to six such rollers on a machine.
Sliver Lapper. A machine in which a number of parallel card slivers are drafted slightly, laid side by side in a compact sheet, and wound into a cylindrical package.
Warper. Any machine for preparing and arranging the yarns intended for the warp of a fabric, specifically, a beam warper.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4458. Warpers.
Swiveled double-bar gates shall be installed on all warpers operating in excess of 450 yards per minute. These gates shall be so interlocked that the machine cannot be operated until the gate is in the "closed position," except when inching or jogging.
Note: "Closed position" shall mean that the top bar of the gate shall be at least 42 inches from the floor or working platform; and the lower bar shall be at least 21 inches from the floor or working platform; and the gate shall be located 15 inches from the vertical tangent to the beam head.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4459. Drawing Frames, Slubbers, Roving Parts, Cotton Combers, Ring Spinning Frames, Twisters.
Gear housing covers on all installations of drawing frames, slubbers, roving frames, cotton combers, ring spinning frames, and twisters shall be equipped with interlocks.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4460. Shuttles.
All looms shall have a shuttle guard constructed in such a manner as to prevent shuttle flying from machine.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4461. Cards.
(a) The cylinder cover on revolving flat type cards, shall be provided with an interlock, be securely bolted in place, or shall be provided with a stripping device so arranged that the operator cannot come in contact with the point of operation.
(b) A licker-in cover shall be provided on all cards and shall be bolted securely in place so that it cannot be readily opened by the operator. Thumb screws or wing nuts shall not be used.
(c) On operations calling for flat strippings which are allowed to fall on the doffer cover, where such strippings are removed by hand, the doffer cover shall be kept closed and securely fastened to prevent the opening of the cover while the machine is in operation. When it becomes necessary to clean the cards while they are in motion, a long-handled brush or dust mop shall be used.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4462. Carpet Frayer or Rag Shredder.
Cylinder door or cover shall be provided with an interlock so constructed that the cover cannot be opened while the roller is revolving or the cover shall be clamped in place and the slot be so constructed and guarded that the operator's fingers cannot come in contact with the roller.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4463. Carpet Trimmer.
Revolving knives shall be guarded.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4464. Circular Knife.
Circular knives or discs shall be equipped with a guard which will prevent contact with the cutting edges while the machine is in operation.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4465. Cotton Picker, Opener and Willower.
The beater cover shall be provided with an interlocking device so arranged that the cover cannot be opened while the beater is revolving.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4466. Picker Machines.
All machines used in picking wool, hair, rags or other material shall have the rolls completely covered, except the opening necessary to feed stock. This opening shall be so constructed or guarded that the employees' fingers cannot come into contact with the rolls.
Exception: Machines covered by 4465.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4467. Pile Cutter or Shearer.
Knife rolls shall be provided with a cover or guard which will prevent the employees' fingers from coming in contact with the rolls.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4468. Napper.
Rolls shall be provided with a cover or guard so arranged that the employees' fingers cannot be caught in the rolls while feeding the material.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4469. Sliver and Ribbon Lap Machines (Doublers).
A device or cover shall be provided and so arranged that the employees' hands cannot be caught under the lap roll.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4470. Garnett Machine.
Openings in lower frame and between lower frame and floor shall be guarded.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4471. Dye Jigs.
Roll arms on dye jigs shall be built to prevent the center bar from being forced off, causing the batch to fall.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4472. Drying Cans.
Drying cans which are not designed to prevent vacuum collapse, each can shall be equipped with one or more vacuum relief valves with openings of sufficient size to prevent collapse of the can if vacuum occurs.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4473. Hand Bailing Machine.
A handle stop guard shall be installed at the right angle to the frame of the machine. The stop guard shall be so designed and so located that it will prevent the handle from traveling beyond the vertical position should the handle slip from the operator's hand when the pawl has been released from the teeth of the takeup gear.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4474. Cuttle or Swing Folder (Overhead Type).
The bottom of the overhead folders shall be located not less than 7 feet from the floor or working surface.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4475. Commercial Sewing Machines.
(a) The lower pulley nip points shall be guarded.
(b) The upper pulley nip points shall be guarded by a plate or structural shape the thickness of the minimum width of the v-belt. This guard shall fit between the runs of the v-belt and extend from at least three inches from the pulley's outer rim to within 1/8-inch of and conforming to the arc of the perimeter of the pulley groove.
(c)(1) On sewing machines having the pulley outboard of the handwheel or no handwheel at all, a disc guard with a rolled edge shall be installed on the outside of the pulley. The diameter of the disc shall be at least one and one-half inches greater than the root diameter of the v-belt pulley.
(2) On sewing machines with the pulley inboard of the handwheel, the diameter of the handwheel shall be at least one and one-half inches greater than the root diameter of the pulley, or a disc guard as described in (1) above shall be installed on the outside of the handwheel.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4476. Cloth Cutters.
(a)(1) On reciprocating knife machines, a guard shall be provided in front of the knife blade. The clearance between the guard and blade shall not exceed two inches.
(2) Rotary knife machines shall be guarded by retractable or fixed guards.
(A) Retractable guards shall enclose the blades and adjust automatically to the thickness of and remain in contact with the material being cut.
(B) Fixed guards shall be in front of the rotary knife blade; the clearance between the fixed guard and the forward edge of the rotary knife blade shall not exceed one inch.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4479. Definitions.
Note: Authority cited: Sections 142 and 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4480. Marking Machine.
(a) Each power marking machine shall be equipped with a spring compression device of such design as to prevent injury to finger bones should they be caught between the marking plunger and platen, or
(b) The marking machine shall be equipped with a control mechanism which will require the simultaneous action of both hands to operate the machine, or
(c) There shall be a guard which will interpose a barrier in front of the marking plunger.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4481. Washing Machines.
(a) Each washing machine shall be equipped with a substantial cover of not less than No. 20 gauge material, or equivalent, to cover the opening in the case or shell.
(b) Each washing machine shall be equipped with an interlock that will disconnect the current to the drive motor and prevent starting rotation of the cylinder when the access door to the machine is open. The interlock shall, however, enable the operator to inch the machine with the access door open.
Exception: This requirement does not apply to washing machines of 50 pounds capacity or less and which does not rotate more than 100 RPM.
(c) Each washing machine or washer/extractor shall be provided with a means to prevent accidental self-closing of the shell or cylinder doors while loading or unloading the machine.
Exception: This requirement does not apply to sideward-hinged or over-the-center doors that tend to remain open.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4482. Extractors.
(a) Each extractor shall be equipped with a metal cover of at least No. 20 gauge, or its equivalent, which shall entirely cover the opening of the outer shell.
(b) Each centrifugal extractor or washer/extractor shall be equipped with an interlock that will disconnect the current to the drive motor and prevent starting rotation of the cylinder when the access door to the machine is open. The interlock shall further prevent opening of the access door or cover while the cylinder is rotating. The interlock shall, however, allow the operator to rotate the basket by manual control or inch the basket for loading or unloading while the access door or cover is open.
(c) The exterior of the basket, including hoops or bands, shall be inspected at least every year to determine condition of basket. The extractor shall be dismantled and the bearings, bearing blocks, and basket shall be inspected at least every two years and all necessary repairs or replacements made. A basket that shows signs of weakness, shall not be used. A record of the inspection, including the date and name of person who made the inspection, shall be kept on file in the plant.
(d) Each extractor shall be equipped with a mechanically or electrically operated brake to stop the basket when the power driving the basket is shut off.
(e) Each squeeze extractor shall be provided with a cover operated by two-hand controls, and an interlock to prevent unloading the machine unless the pressure has been released and also to prevent applying pressure unless the cover has been properly closed. Gages in front of the machine shall indicate the applied pressure. A steam, hydraulic- or pneumatic-operated device shall be provided with a pressure relief valve set to open if the applied pressure exceeds by 10% the maximum operating pressure which shall be shown on the machine nameplate.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4483. Power Wringer.
Each power wringer shall be equipped with a guard across the entire front of the feed or first pressure rolls, so arranged that when struck the machine will immediately stop.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4484. Starching Machine(Cylinder or Box Type) (Class A).
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4485. Drying Tumbler, End Loading.
(a) Each tumbler shall be equipped with a device that will prevent energizing the drive motor which rotates the cylinder unless the shell door is closed. The device shall, however, allow for the momentary inching of the tumbler to facilitate loading and unloading.
(b) Each tumbler shall be provided with means to prevent accidental self-closing of the shell door during loading and unloading of the machine. This requirement does not apply to sideward-hinged doors that tend to remain open.
Exception:
1. This requirement does not apply to sideward-hinged doors that tend to remain open.
2. Tumblers designed without doors where the work is continuously loaded and discharged.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4486. Shaker (Clothes Tumbler, Batch Type).
(a) Each shaker or clothes tumbler shall be equipped with:
(1) A device that will prevent the tumbler from moving while the door is open. The tumbler shall be enclosed or guarded so as to prevent accidental contact.
(2) Brakes or other positive locking devices to prevent the inside cylinder from moving when the machine is being loaded or unloaded.
Note: "Inching devices" are permitted.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4487. Drying Box or Cabinets.
Access doors to drying boxes or cabinets shall have door latches or locks that will enable an operator to open the doors readily from the inside and the outside. Doors that cannot be opened from the inside without a key, wrench, or tool shall not be used on drying boxes or cabinets.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 1422.3, Labor Code.
s 4488. Dampening Machine (Class A).
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4489. Ironer (Flatwork Type).
(a) Each flatwork and collar ironer shall be equipped with a guard across the entire front of the feed or first pressure rolls, so arranged that when struck the machine will immediately stop.
(b) The pressure rolls shall be guarded or covered so that an employee cannot reach into the rolls.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4490. Ironer (Body Type).
Each body ironer, roll or shoe type, including sleeve and band ironers, shall be equipped with a guard across the entire length of the feed roll or shoe, so designed that when struck the machine will immediately stop.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4491. Ironer (Rotary-Body Type).
Each combined rotary bosom and coat-ironer shall be equipped with a guard across the entire length of the feed roll or shoe, so designed that when struck the machine will immediately stop.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4492. Ironer (Press Type).
Every ironing press (except hand- or foot-power presses) used in the ironing or finishing of textiles and/or other materials shall be equipped with a guard or controls of such design, construction, and installation that will prevent the operator, or other person, from being caught between the ironing surfaces.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4493. Boilers and Pressure Vessels.
(a) Boilers and pressure vessels shall comply with the Boiler and Fired Pressure Vessel Safety Orders and the Unfired Pressure Vessel Safety Orders.
(b) Where pressure-reducing valves are used, a safety relief valve shall be provided on the low-pressure side of the reducing valve to prevent pressure build-up in excess of the maximum allowable working pressure. The safety relief valve shall be located as close as possible to the reducing valve, and it shall be vented to the atmosphere in a manner to avoid injury or damage caused by escaping fluid. The relief valve and vent system discharge capacity shall be sized so that the pressure rating of the low-pressure piping and equipment are not exceeded if the reducing valve sticks or fails to close.
Note: The relief valve may be omitted if the pressure before the reducing valve does not exceed the maximum working pressure of the equipment.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4494. Operating Rules.
(a) Employees shall be properly instructed on the hazards of their work and on safe practices by either bulletins, printed rules, verbal instructions, or periodic safety meetings.
(b) Markers, sorters, and other persons handling soiled clothes shall be warned by signs in their work area against touching eyes, mouth, or any part of the body on which the skin has been broken, abrased, or injured, and against touching or eating food unless their hands have been thoroughly washed.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4510. Dinking and Clicking Machines.
Every dinking machine shall be guarded by at least one of the following methods:
(a) Dies known as "safety type" shall be used. Such dies shall be at least three inches in height with safety grooves or flanges which reduce danger of operator's fingers being caught between top of die and beam, or they shall be provided with horizontal or vertical handles at least two and one-half inches in height above the die proper, or
(b) The machine shall be provided with a sliding table or swinging head which does not require the operator's hands to be placed under the beam or head, or
(c) There shall be a two-handed device that requires both hands of the operator to be removed from under the beam at the time of tripping the machine.
(d) The point of operation shall be guarded on all sides. The end guards shall be fixed and the front and back guards shall be gate guards of the elevating interlocking type.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4511. Embossing Machines (Power or Foot Driven).
Embossers of the head type shall be equipped with at least one of the following:
(a) A fixed guard enclosing front and sides of platen with stock feeding slots too narrow to allow insertion of operator's fingers, or
(b) An interlocking gate guard connected with the operating mechanism in such a way that it will automatically protect the front and sides of platen during the power stroke, ensuring that the operator's hand cannot be caught by the platen, or
(c) A starting device which requires the simultaneous action of both hands of the employee or employees when two or more employees are operating the press, or
(d) A sliding or revolving table or other feeding device which does not require the operator's hands to be placed under the platen, or
(e) A mechanically operated guard which throws the hands of the operator out of the way as the platen descends. Such a guard should be padded to prevent injury should it strike the operator's hand or wrist.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4512. Heel Compressing Machine.
(a) Heel compressing machines shall be equipped with a control device that requires a simultaneous action of both hands, or they shall be provided with a mechanical feeding device.
(b) The plunger shall be guarded either by a complete enclosure or by a barrier guard in front of the plunger.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4513. Skiving Machines (Roll Feed).
Feed rolls shall be so arranged that material must be fed through a slot or under a metal rod or strip directly in front of the feed and running the full length of the rolls.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4514. Splitter (Stationary Knife).
Feed rolls shall be so arranged that material must be fed through a slot or under a fixed metal rod or strip directly in front of the feed and running the full length of the roll.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4515. Splitter (Band Knife).
(a) All exposed portions of the knife as well as band wheels shall be enclosed and feed rolls shall be guarded.
(b) An extension of the stopping device shall be installed across the entire front of the top of the feed roll so installed that it can be readily operated from the operator's working position.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4516. Stripper (Class B).
Strippers shall be provided with a control device which requires the simultaneous action of both hands during the cutting movement of the knife.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4517. Tanning Drums.
Horizontal revolving drums shall be guarded and the drum shall be provided with a substantial device to prevent the movement of the drum while loading or unloading.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4518. Roll Type Machines.
The in-running side of corrugating, crimping, embossing, pleating, printing, and graining rolls shall be guarded.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4519. Unhairing Machines.
All knives used in removing hair from hides and skins shall be enclosed except such opening as is necessary to feed stock.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4520. Fleshing Machines.
The pinch rolls and cylindrical knife shall be enclosed except such opening as is necessary to feed the stock.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4521. Fleshing and Unhairing Machines -Special Types.
All fleshing and unhairing machines in which the cylinders have a secondary motion in addition to a rotary one shall be equipped with a two hand control. This control shall be arranged so that the simultaneous and continuous action is required to set the machine in motion.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4522. Whitening Machines.
The moving parts of the heads of whitening machines shall be enclosed except such opening as is necessary to feed the stock.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4530. Bakery Ovens.
(a) General Oven Requirements.
(1) Ovens shall be located so that possible fire or explosion will not expose groups of persons to possible injury. For this reason ovens shall not adjoin lockers, lunch or sales rooms, main passageways, or exits.
(2) Main shutoff valves, operable separately from any automatic valve, shall be provided to permit turning off the fuel or steam in case of an emergency.
(3) Main shutoff valves shall be located so that explosions, fires, etc. will not prevent access to these valves.
(4) Main shutoff valves shall be locked in the closed position when men must enter the oven or when the oven is not in service.
(b) Fired Ovens. Fired ovens shall be safeguarded against failure of fuel, air or ignition. Automatically controlled gas or oil fired equipment shall have a safety pilot mechanism installed by the manufacturer and so arranged that fuel will be shut off to both the main burner and pilot burner in case of failure of the pilot burner flame or of the spark igniter.
(c) Recirculating Ovens.
(1) Each circulating fan in recirculating ovens shall be interconnected with the burner in such a manner that the fuel is shut off by a safety valve when the fan is not running.
(2) The flame of the burner or burners in recirculating ovens shall be protected by a quick-acting flame-sensitive safeguard which will automatically shut off the fuel supply in case of burner failure.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
s 4531. Dumpbins and Blenders.
(a) Means shall be provided to hold the hinged dumpbin covers in the open position, so that they will not accidentally fall down while the dumpbin is in operation.
(b) All dumpbin and blender hoods shall be of sufficient capacity toprevent circulation of flour dust outside the hoods. (continued)