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Chapter 296-806 WAC

Last Update: 2/20/07

MACHINE SAFETY

WAC Sections

296-806-100 Scope.
REQUIREMENTS FOR ALL MACHINES
296-806-200 Summary.
WORKPLACE
296-806-20002 Secure machines designed to stay in one place.
296-806-20004 Protect employees from slipping hazards around machinery.
296-806-20006 Arrange work areas to avoid creating hazards.
MACHINE CONTROLS AND OPERATIONS
296-806-20008 Make sure operating controls meet these requirements.
296-806-20010 Protect employees from unintentional machine operation.
296-806-20012 Make sure emergency stop controls meet these requirements.
296-806-20014 Control machine vibration.
296-806-20016 Prevent overspeed conditions.
296-806-20018 Make sure hand feeding and retrieval tools meet these requirements.
296-806-20020 Protect employees who are adjusting or repairing machinery.
POWER TRANSMISSION PARTS
296-806-20022 Keep power transmission equipment in good working condition.
296-806-20024 Inspect power transmission parts.
296-806-20026 Protect employees lubricating moving machinery.
SAFEGUARDING REQUIREMENTS
296-806-20028 Safeguard employees from the point of operation.
296-806-20030 Safeguard employees from nip or shear point hazards.
296-806-20032 Safeguard employees from rotating or revolving parts.
296-806-20034 Safeguard employees from reciprocating or other moving parts.
296-806-20036 Safeguard employees from flying objects.
296-806-20038 Safeguard employees from falling objects.
296-806-20040 Safeguard employees from moving surfaces with hazards.
SAFEGUARDING METHODS

Guards
296-806-20042 Make sure guards meet these requirements.
DEVICES
296-806-20044 Make sure devices meet these requirements.
296-806-20046 Make sure light curtains meet these requirements.
296-806-20048 Make sure pressure-sensitive mats meet these requirements.
296-806-20050 Make sure restraint or pullback devices meet these requirements.
296-806-20052 Make sure two-hand devices meet these requirements.
296-806-20054 Make sure devices used with barrier guards meet these requirements.
DISTANCE
296-806-20056 Make sure safeguarding by distance meets these requirements.
296-806-20058 Make sure guardrails used for safeguarding meet these requirements.
REQUIREMENTS FOR SPECIFIC MACHINE HAZARDS
296-806-30002 Fit arbors and mandrels to the machine.
296-806-30004 Safeguard belt and rope drives.
296-806-30006 Make sure belt or rope drives meet these requirements.
296-806-30008 Protect employees while shifting belts on belt and pulley drives.
296-806-30010 Make sure belt tighteners meet these requirements.
296-806-30012 Safeguard cams, connecting rods, tail rods, and extension piston rods.
296-806-30014 Safeguard chain and sprocket drives.
296-806-30016 Safeguard fan blades.
FLYWHEELS
296-806-30018 Safeguard flywheels.
296-806-30020 Safeguard gears.
296-806-30022 Safeguard projections on moving parts.
296-806-30024 Safeguard pulleys.
296-806-30026 Make sure pulleys meet these requirements.
296-806-30028 Safeguard revolving drums, barrels, and containers.
296-806-30030 Safeguard shafting.
296-806-30032 Make sure shafting meets these requirements.
296-806-30034 Safeguard unused keyways.
296-806-30036 Make sure revolving collars meet these requirements.
296-806-30038 Safeguard counterweights.
ADDITIONAL REQUIREMENTS FOR SOME MACHINES AND MACHINE OPERATIONS
296-806-400 Summary.
ABRASIVE WHEELS
296-806-405 Summary.
296-806-40502 Make sure abrasive wheels and machines are properly designed and constructed.
296-806-40504 Make sure machines have safety guards.
296-806-40506 Make sure safety guards meet specific requirements.
296-806-40508 Provide a tongue guard on bench, pedestal, floorstand, and cylindrical grinders.
296-806-40510 Use a work rest for off-hand grinding.
296-806-40512 Make sure abrasive wheels are safe to use.
296-806-40514 Mount wheels properly.
296-806-40516 Use proper flanges.
296-806-40518 Make sure flanges are in good condition.
296-806-40520 Use specific flanges for Type 1 cutting-off wheels.
296-806-40522 Use specific flanges for Type 27A cutting-off wheels.
296-806-40524 Use blotters when required.
296-806-40526 Meet specific blotter requirements when using modified Types 6 and 11 wheels (terrazzo).
Calenders
296-806-410 Summary.
296-806-41002 Provide calender safety controls.
296-806-41004 Follow these stopping limit requirements for calenders.
COMPACTORS
296-806-415 Summary.
296-806-41502 Safeguard hazardous moving parts of stationary compactors.
296-806-41504 Follow these requirements for compactor controls.
296-806-41506 Follow these requirements for compactor access doors and covers.
296-806-41508 Follow these requirements for compactors that cycle automatically.
CONVEYORS
296-806-420 Summary.
GENERAL REQUIREMENTS FOR CONVEYORS
296-806-42002 Follow these requirements for conveyors.
296-806-42004 Provide emergency stops on conveyors.
296-806-42006 Label conveyor controls.
296-806-42008 Prohibit riding on conveyors.
296-806-42010 Provide safe access to conveyors.
296-806-42012 Provide backstop or antirunaway devices on incline, decline, or vertical conveyors.
296-806-42014 Make only safe alterations to conveyors.
296-806-42016 Inspect and replace worn conveyor parts.
296-806-42018 Follow these requirements for replacing conveyor parts.
296-806-42020 Follow these requirements for spill guards.
296-806-42022 Provide pedestrian overpasses for conveyors.
296-806-42024 Guard openings to hoppers and chutes.
296-806-42026 Install guideposts.
BELT CONVEYORS
296-806-42028 Guard nip points on belt conveyors.
296-806-42030 Install emergency stop controllers on overland belt conveyors.
296-806-42032 Install belt conveyor overpasses.
CHAIN CONVEYORS
296-806-42034 Safeguard chain conveyors.
296-806-42036 Guard return strands on chain conveyors.
296-806-42038 Guard chain conveyors that are used as a transfer mechanism.
ELEVATOR CONVEYORS
296-806-42040 Prevent material from falling off of elevator conveyors.
INCLINED RECIPROCATING CONVEYORS (SHAKERS)
296-806-42042 Provide protection where employees must load shakers.
296-806-42044 Provide grating over silo and bunker openings for shuttle conveyors.
MOBILE CONVEYORS
296-806-42046 Guard wheels and rails on mobile conveyors.
296-806-42048 Prevent hazardous motion on mobile conveyors.
296-806-42050 Provide a detector for mobile conveyors.
296-806-42052 Provide safe access on mobile conveyors.
PUSHER-BAR CONVEYORS
296-806-42054 Guard pusher-bar conveyors.
ROLLER CONVEYORS
296-806-42056 Prohibit walking on roller-type conveyors.
296-806-42058 Use speed controls for roller and wheel conveyors.
296-806-42060 Safeguard belt-driven live roller conveyors.
SCREW CONVEYORS
296-806-42062 Guard screw conveyors.
SKIP HOISTS
296-806-42064 Provide slack-cable switches on hoists.
296-806-42066 Block the skip bucket and counterweight guides.
296-806-42068 Protect against wire rope coming off sheaves.
SLAT AND ROLLER-SLAT CONVEYORS
296-806-42070 Safeguard slat and roller-slat conveyors.
TOWED CONVEYORS
296-806-42072 Provide a safe method for disengaging the tow pin.
296-806-42074 Protect employees from moving carts on towed conveyors.
296-806-42076 Provide clearances and warnings for carts on towed conveyors.
296-806-42078 Mark projections above the floor.
FOOD PROCESSING EQUIPMENT
296-806-425 Summary.
FACILITIES
296-806-42502 Provide locks on chamber doors of large air conditioning units.
296-806-42504 Use proper door locks on rack-type bread coolers.
296-806-42506 Provide see-through panels on fermentation room doors.
296-806-42508 Cover exposed hot pipes.
296-806-42510 Provide extension piping on stationary lubrication fittings.
296-806-42512 Provide hoods for pan-washing tanks.
296-806-42514 Safeguard proof boxes.
296-806-42516 Safeguard storage bins.
MATERIAL HANDLING
296-806-42518 Follow these design requirements for bag lifts (bag arm elevators) and chutes.
296-806-42520 Follow these requirements for chain tackle.
296-806-42522 Safeguard conveyors.
296-806-42524 Use properly designed covers for screw conveyors (augers).
296-806-42526 Safeguard pallet jacks and hand trucks.
SPECIFIC FOOD PROCESSING EQUIPMENT
296-806-42528 Safeguard bakery slicers.
296-806-42530 Safeguard bakery wrapping machines.
296-806-42532 Provide troughs with antifriction-bearing casters.
296-806-42534 Follow these requirements for trough hoists and similar equipment.
296-806-42536 Follow these requirements for dividers.
296-806-42538 Safeguard manually-fed dough and cross-roll brakes.
296-806-42540 Provide a guard or tripping device on reversible dough brakes.
296-806-42542 Follow these requirements for doughnut machines.
296-806-42544 Follow these requirements for dumpbins and blenders.
296-806-42546 Follow these requirements for flour-handling machines.
296-806-42548 Follow these requirements for traveling or track-type flour scales.
296-806-42550 Follow these requirements for food grinders and cutters.
296-806-42552 Provide covers with interlocks on ingredient premixers, emulsifiers, and similar machines.
296-806-42554 Follow these requirements for open fat kettles.
296-806-42556 Follow these requirements for steam kettles.
296-806-42558 Follow these requirements for chocolate melting, refining, and mixing kettles.
296-806-42560 Safeguard meat-processing equipment (circular meat-cutting saws).
296-806-42562 Follow these requirements for horizontal dough mixers.
296-806-42564 Follow these requirements for vertical mixers.
296-806-42566 Follow these requirements for mechanical-feed moulders.
296-806-42568 Follow these requirements for hand-fed moulders.
296-806-42570 Design, install, and construct your ovens according to these requirements.
296-806-42572 Properly locate emergency "stop" buttons and main shut off valves for ovens.
296-806-42574 Inspect and test safety devices on ovens.
296-806-42576 Follow these requirements for peanut-cooling trucks.
296-806-42578 Follow these requirements for pretzel-rolling, pretzel stick extruding, rotary, and die machines.
296-806-42580 Safeguard box and roll-type dough sheeters.
296-806-42582 Provide proper enclosures for sifters.
296-806-42584 Follow these requirements for sugar and spice pulverizers.
FORGING MACHINES
296-806-430 Summary.
GENERAL REQUIREMENTS FOR FORGING
296-806-43002 Follow these safety requirements when using lead and lead casts.
296-806-43004 Properly inspect and maintain forging equipment.
296-806-43006 Use safety blocks on hammers and presses.
296-806-43008 Make sure tongs meet these requirements.
296-806-43010 Protect employees when removing scale.
296-806-43012 Provide adequate foundations for hammers and presses.
296-806-43014 Follow these requirements for manually operated valves and switches.
HAMMERS
296-806-43016 Use die keys and shims made of proper-grade material.
296-806-43018 Provide a safety cylinder head.
296-806-43020 Provide a shutoff valve.
296-806-43022 Provide a means for cylinder draining.
296-806-43024 Follow these requirements for pressure pipes.
296-806-43026 Follow these requirements when using board hammers.
OTHER FORGE FACILITY EQUIPMENT
296-806-43028 Protect against sparks from saws.
GARBAGE (WASTE) DISPOSALS
296-806-435 Summary.
296-806-43502 Safeguard garbage (waste) disposal equipment.
GLUE SPREADERS
296-806-440 Summary.
296-806-44002 Provide guards and automatic shutoffs on glue spreaders.
IRONWORKERS
296-806-445 Summary.
296-806-44502 Safeguard ironworkers point of operation.
296-806-44504 Follow these requirements for adjustable restrictors when safeguarding ironworkers.
LATHES
296-806-450 Summary.
METAL LATHES
296-806-45002 Provide shields or guards on metal lathes for chip or coolant hazards.
296-806-45004 Safeguard work-holding devices (chucks).
296-806-45006 Follow these requirements for chip control and handling.
296-806-45008 Safeguard power-clamping devices.
296-806-45010 Restrain extended workpieces on horizontal lathes.
WOODWORKING LATHES
296-806-45012 Guard cutting heads on profile lathes and swing-head lathes.
296-806-45014 Guard cutting heads on turning lathes.
296-806-45016 Guard automatic turning lathes.
296-806-45018 Guard wood lathes used for turning long pieces of stock.
MECHANICAL POWER PRESSES
296-806-455 Summary.
DESIGN AND CONSTRUCTION
296-806-45502 Make sure mechanical power presses are properly designed and constructed.
SAFEGUARDING
296-806-45504 Safeguard presses that use unitized tooling.
296-806-45506 Protect operators from guidepost hazards.
296-806-45508 Safeguard the point of operation.
296-806-45510 Make sure point-of-operation guards are properly designed and constructed.
296-806-45512 Make sure barrier guards meet these requirements.
296-806-45514 Make sure point-of-operation devices are effective.
296-806-45516 Make sure presence-sensing devices used to safeguard the point of operation meet these requirements.
296-806-45518 Make sure pull-back devices used to safeguard the point of operation meet these requirements.
296-806-45520 Make sure restraint (holdout) devices used to safeguard the point of operation meet these requirements.
296-806-45522 Make sure two-hand control devices used to safeguard the point of operation meet these requirements.
296-806-45524 Make sure two-hand trip devices used to safeguard the point of operation meet these requirements.
296-806-45526 Provide additional safeguards when the operator puts one or both hands into the point of operation.
OPERATIONS
296-806-45528 Establish die setting procedures.
296-806-45530 Handle dies safely.
296-806-45532 Protect die setters during setup and tryout.
296-806-45534 Train press operators.
296-806-45536 Operate mechanical power presses safely.
296-806-45538 Provide tools and other means to protect press operators.
296-806-45540 Inspect and maintain presses.
296-806-45542 Make sure presses and operating practices used in the PSDI (presence sensing device initiation) mode of operation meet these requirements.
MILLS
296-806-460 Summary.
296-806-46002 Meet height requirements for mill rolls.
296-806-46004 Provide mill safety controls.
296-806-46006 Follow these stopping limit requirements for mills.
PRESS BRAKES
296-806-465 Summary.
GENERAL REQUIREMENTS FOR PRESS BRAKES
296-806-46502 Provide auxiliary safety aids on press brakes.
296-806-46504 Safeguard the point of operation on press brakes.
SAFE DISTANCE SAFEGUARDING
296-806-46506 Follow this requirement when using safe distance safeguarding.
296-806-46508 Develop a safe distance safeguarding program for press brakes.
296-806-46510 Follow these requirements for safe distance training for press brakes.
296-806-46512 Require safe distance retraining for press brake operations.
296-806-46514 Conduct periodic safe distance inspections on press brakes.
296-806-46516 Supervise the safe distance program for press brakes.
ROLL-FORMING AND BENDING MACHINES
296-806-470 Summary.
296-806-47002 Follow these requirements for machine initiation.
296-806-47004 Safeguard nip points of roll-forming and bending machines.
SANDING MACHINES
296-806-475 Summary.
296-806-47502 Guard drum sanders.
296-806-47504 Guard disk sanders.
296-806-47506 Guard belt sanders.
296-806-47508 Follow these requirements for feed roll guarding.
SAWS AND CUTTING HEADS
296-806-480 Summary.
GENERAL REQUIREMENTS FOR ALL SAWS AND CUTTING HEADS
296-806-48002 Protect employees using saws and cutting heads.
296-806-48004 Make sure saws and cutting heads are sharpened and tensioned by qualified people.
SAWS

General Requirements for All Saws
296-806-48006 Make sure saws are safe to use.
Requirements for All Circular Saws
296-806-48008 Make sure all circular saws meet these requirements.
296-806-48010 Make sure circular saw gages meet these requirements.
296-806-48012 Safeguard hand-fed circular table saws.
296-806-48014 Provide kickback protection for employees using hand-fed circular table ripsaws when ripping wood products.
296-806-48016 Safeguard self-feed circular saws.
296-806-48018 Provide kickback protection for self-feed circular ripsaws when ripping wood products.
296-806-48020 Guard circular resaws.
296-806-48022 Provide spreaders for circular resaws.
Requirements for Specific Circular Saws
296-806-48024 Protect employees from automatic saw hazards.
296-806-48026 Guard inverted swing (jump) saws.
296-806-48028 Guard miter saws.
296-806-48030 Guard radial saws.
296-806-48032 Limit the travel of radial saws.
296-806-48034 Provide kickback protection for radial saws used for ripping wood products.
296-806-48036 Guard revolving double arbor saws.
296-806-48038 Guard swing saws.
296-806-48040 Limit the travel of swing saws.
Requirements for Band Saws and Drag Saws
296-806-48042 Make sure band saws meet these requirements.
296-806-48044 Protect employees from drag saw hazards.
CUTTING HEADS

General Requirements for All Cutting Heads
296-806-48046 Maintain and balance knives and cutting heads.
BORING AND MORTISING MACHINES
296-806-48048 Make sure boring and mortising machines meet these requirements.
CHIPPER AND HOG MILLS
296-806-48050 Follow these requirements for chipper mills.
296-806-48052 Follow these requirements for hog mills.
296-806-48054 Protect employees from falling into chipper and hog mills.
JOINTERS
296-806-48056 Make sure jointers with horizontal cutting heads meet these requirements.
296-806-48058 Guard horizontal cutting heads on hand-fed jointers.
296-806-48060 Guard vertical cutting heads on jointers.
MOLDING, STICKING AND MATCHING MACHINES
296-806-48062 Make sure molding, sticking and matching machines meet these requirements.
PANEL RAISERS AND OTHER SIMILAR MACHINES
296-806-48064 Guard hand-fed panel raisers and other similar machines.
PLANERS
296-806-48066 Make sure planers with a horizontal cutting head meet these requirements.
296-806-48068 Guard planers.
296-806-48070 Guard planer feed rolls.
296-806-48072 Provide kickback protection on planers running stock of varied thicknesses.
SHAPERS
296-806-48074 Make sure shapers meet these requirements.
TENONING MACHINES
296-806-48076 Guard tenoning machine feed chains and sprockets.
296-806-48078 Guard tenoning machines.
VENEER MACHINES
296-806-48080 Guard veneer cutters and wringer knives.
296-806-48082 Guard veneer clippers.
296-806-48084 Follow these requirements for guarding guillotine cutters.
296-806-48086 Provide mechanisms to stop power-driven guillotine cutters.
296-806-48088 Prohibit riders on veneer slicer carriages.
SEWING MACHINES
296-806-485 Summary.
296-806-48502 Guard sewing machine needles.
296-806-500 Definitions.