Chapter 296-806 Machine safety.

You must install a pedestrian overpass or underpass along the sides of long overland belt conveyors, where there is the most foot traffic. The distance between overpasses should not exceed three hundred meters or one thousand feet.[Statutory Authority: RCW 49.17.010, 49.17.040, 4…

You must meet the requirements…in this section:Safeguard chain conveyorsWAC 296-806-42034Guard return strands on chain conveyorsWAC 296-806-42036Guard chain conveyors that are used as a transfer mechanismWAC 296-806-42038[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, …

You must provide safeguards for drive, tail, and idler sprocket pulleys where the chain creates a nip or shear point.[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060. WSR 15-24-102, § 296-806-42034, filed 12/1/15, effective 1/5/16; WSR 04-14-028, § 296-806-420…

(1) You must provide a way to catch and support the ends of a chain that break over a passageway.(2) You must provide a strong enough trough to carry the weight from a broken chain on conveyors when return strands operate within seven feet of the floor.[Statutory Authority: RCW 4…

You must guard chain conveyors whose moving chains cannot be enclosed without impairing their function by one of the following methods:(1) Distance as required in, make sure safeguarding by distance meets these requirements, WAC 296-806-20056.(2) Personnel barriers.(3) Warning si…

You must meet the requirements…in this section:Prevent material from falling off of elevator conveyorsWAC 296-806-42040[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060. WSR 15-24-102, § 296-806-42039, filed 12/1/15, effective 1/5/16.]

(1) You must install strong guards, screens, or barricades to prevent material from falling in any direction into the shaft way of elevator-type conveyors, except at loading and unloading areas.(2) You must install automatic shaft way gates or suitable barriers at each floor leve…

You must meet the requirements…in this section:Provide protection where employees must load shakersWAC 296-806-42042Provide grating over silo and bunker openings for shuttle conveyorsWAC 296-806-42044[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060. WSR 15-24-…

(1) You must provide standard guardrails or snap chains along loading sides of the shaker where personnel must load or unload material. Snap chains must be at least thirty-nine inches high at their lowest point.(2) You must make sure controls are located so the conveyor cannot be…

You must provide grating with openings to match the size of the material being discharged into silos or bunkers. Make sure openings are:(1) Small enough so that workers cannot fall through.(2) Protected by other effective means if the material size requires openings large enough …

You must meet the requirements…in this section:Guard wheels and rails on mobile conveyorsWAC 296-806-42046Prevent hazardous motion on mobile conveyorsWAC 296-806-42048Provide a detector for mobile conveyorsWAC 296-806-42050Provide safe access on mobile conveyorsWAC 296-806-42052[…

You must install sweeps in front of the nip points created by the wheels and rails to deflect objects that could derail the conveyor.[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060. WSR 15-24-102, § 296-806-42046, filed 12/1/15, effective 1/5/16; WSR 04-14-02…

(1) You must make sure mobile conveyors have at least one of the following to prevent hazardous motion:(a) Brakes.(b) Rail clamps.(c) Other position-locking devices.(2) You must provide limit switches that will stop travel when exceeding the design limits of rail-mounted mobile c…

You must provide a detector to stop conveyor movement when the operation creates a danger of running into a stockpile or other obstacle.[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060. WSR 15-24-102, § 296-806-42050, filed 12/1/15, effective 1/5/16; WSR 04-14…

You must make sure that access stairways, ladders, and platforms are designed and located to avoid the shear or nip point hazards of the conveyor and moving machinery.[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060. WSR 15-24-102, § 296-806-42052, filed 12/1/…

You must meet the requirements…in this section:Guard pusher-bar conveyorsWAC 296-806-42054[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060. WSR 15-24-102, § 296-806-42053, filed 12/1/15, effective 1/5/16.]

You must provide a guard when hazards exist at each of these points:(1) At the discharge point where the bar passes through the bed.(2) Where there is a shear point between the return pusher bar and a frame member.[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.0…

You must meet the requirements…in this section:Prohibit walking on roller-type conveyorsWAC 296-806-42056Use speed controls for roller and wheel conveyorsWAC 296-806-42058Safeguard belt-driven live roller conveyorsWAC 296-806-42060[Statutory Authority: RCW 49.17.010, 49.17.040, 4…

You must prohibit employees from walking on the rolls of roller-type conveyors. Tread plates or other types of walkways can be used between the rollers as a walking surface for operators when performing their duties.[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17…

(1) You must avoid safety hazards created by unit or package speeds by one of the following methods:(a) Limiting the length of the sloped run.(b) Using speed retarders or brakes.(c) Other means of providing speed control.(2) You must make sure rollers and wheels are free running …

You must guard belt and roller nip points by one of the following methods:(1) Space load-carrying rollers to prevent access to the belt and roller nip points.(2) Insert rods or plates between the rollers to prevent access to the belt and roller nip points.(3) Use rollers that pop…

You must meet the requirements…in this section:Guard screw conveyorsWAC 296-806-42062[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060. WSR 15-24-102, § 296-806-42061, filed 12/1/15, effective 1/5/16.]

(1) You must enclose the rotating screw to prevent contact with the shear points where it passes the sides of the trough or casing.(2) You must guard screw conveyors requiring an open housing by using one of the following:(a) Make sure safeguarding by distance meets these require…

You must meet the requirements…in this section:Provide slack-cable switches on hoistsWAC 296-806-42064Block the skip bucket and counterweight guidesWAC 296-806-42066Protect against wire rope coming off sheavesWAC 296-806-42068[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.…

You must provide and arrange slack cable switches to cut power to the drive and set the brake when the skip or counterweight hoisting ropes either:(1) Develop slack; or(2) Lose tension due to sticking in the guides, over travel, or for any other reason.[Statutory Authority: RCW 4…

You must make sure the skip bucket and counterweight are blocked in their guides when the brake or any part of the drive train between the brake and the drum shaft are being repaired or replaced.[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060. WSR 15-24-102, …

You must fit all sheaves with sheave guards to prevent the wire rope from coming off under slack cable or similar conditions.[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060. WSR 15-24-102, § 296-806-42068, filed 12/1/15, effective 1/5/16; WSR 04-14-028, § 296…

You must meet the requirements…in this section:Safeguard slat and roller-slat conveyorsWAC 296-806-42070[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060. WSR 15-24-102, § 296-806-42069, filed 12/1/15, effective 1/5/16.]

(1) You must provide either of these safeguards at the tail end of a slat conveyor if the slats are above the centerline of the chain:(a) A guard over the hazardous tail end; or(b) Warning signs if guards are impractical because of material flowing over the tail sprocket.(2) You …

You must meet the requirements…in this section:Provide a safe method for disengaging the tow pinWAC 296-806-42072Protect employees from moving carts on towed conveyorsWAC 296-806-42074Provide clearances and warnings for carts on towed conveyorsWAC 296-806-42076Mark projections ab…

You must provide a method for the operator to disengage the tow pin from a conveyor pusher without being in front of the cart.[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060. WSR 15-24-102, § 296-806-42072, filed 12/1/15, effective 1/5/16; WSR 04-14-028, § 29…

(1) You must make sure runaway carts are unable to exit ramps and enter work areas.(2) You must have a barrier of sufficient strength and height on ramps with pedestrian or traffic aisles to prevent a runaway cart from entering the aisle.(3) You must have signs warning employees …

(1) You must provide clearance space for personnel in all of the following:(a) Between the sides of carts.(b) Between any load overhanging the side of a cart.(c) Any fixed or moving object.(2) You must identify the cart path with floor stripes that are:(a) Parallel to the cart pa…

You must mark the area around projections above the floor with appropriate diagonal stripes, warning signs, or both.Note:This is especially important if projections above the floor are unpredictable or occur intermittently.[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050…

SummaryIf your specific food processing machine or operation is not listed here, then follow any facilities requirements in this section along with the "Requirements for all machines" found in this chapter, WAC 296-806-200 and 296-806-300.This section applies to:(1) All businesse…

You must make sure all door locks on air conditioning unit chambers, that are large enough for employees to enter, can be operated from both inside and outside the chamber.[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060. WSR 15-24-102, § 296-806-42502, filed …

You must make sure all door locks can be operated from both inside and outside the bread cooler.[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060. WSR 15-24-102, § 296-806-42504, filed 12/1/15, effective 1/5/16; WSR 04-14-028, § 296-806-42504, filed 6/29/04, ef…

You must provide shatterproof, see-through panels, made of wire glass or plastic, on fermentation room doors.[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060. WSR 15-24-102, § 296-806-42506, filed 12/1/15, effective 1/5/16; WSR 04-14-028, § 296-806-42506, file…

You must cover exposed hot (160°F or more) water and steam pipes with insulating material wherever necessary to prevent employee contact.[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060. WSR 15-24-102, § 296-806-42508, filed 12/1/15, effective 1/5/16; WSR 04-1…

You must provide extension piping on stationary lubrication fittings to prevent workers from reaching into the hazardous area when lubricating moving machinery.[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060. WSR 15-24-102, § 296-806-42510, filed 12/1/15, eff…

EXEMPTION:This requirement does not apply to dishwashers or sanitizers used in restaurants or retail establishments.You must provide power-ventilated exhaust hoods over the tank.[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060. WSR 15-24-102, § 296-806-42512, …

(1) You must make sure all door locks can be operated from both inside and outside the proof box.(2) You must provide guide rails to center the racks as they enter, pass through, and leave the proof box if pans, boards, or trays may be easily dislodged.Note:Guide rails are not re…

EXEMPTION:This requirement does not apply to under-the-counter ingredient bins found in retail stores.(1) You must provide locks or latches to keep storage bin covers closed, and gaskets or other equivalent devices, to make sure covers are dust tight.(2) You must make sure employ…

You must meet the requirements…in this section:Follow these design requirements for bag lifts (bag arm elevators) and chutesWAC 296-806-42518Follow these requirements for chain tackleWAC 296-806-42520Safeguard conveyorsWAC 296-806-42522Use properly designed covers for screw conve…

(1) You must make sure bag arm elevators with manual takeoff are designed to include:(a) Maximum operating capacity of seven bags per minute.(b) Spacing of arms on the conveyor chain to obtain the full capacity of the elevator with the lowest possible chain speed.(c) An electric …

(1) You must mark all chain tackle with the maximum load capacity so the marking is:(a) Prominently displayed.(b) Legible.(c) Permanent.(2) You must mark all chain tackle with minimum support specifications so the marking is legible and permanent.(3) You must use safety hooks wit…

(1) You must install stop bumpers on all delivery ends of conveyors when products are manually removed.(2) You must make sure all conveyors have "stop" buttons at all operating stations.(3) You must provide emergency stop bars or switches at any point where both of these exist:(a…

EXEMPTION:This requirement does not apply to screw conveyors where there are drop or hinged bottom sections that cannot remain airtight.You must design covers for screw conveyors that are:(1) Removable in convenient sections.(2) Held in place with stationary clamps. Locate statio…

(1) You must make sure motorized and nonmotorized pallet jacks have a lock or other device that holds the handle in the vertical position when the hand truck is not in use.(2) You must make sure hand truck casters are set back from corners. Locate them back from corners so they d…

You must meet the requirements…in this section:Safeguard bakery slicersWAC 296-806-42528Safeguard bakery wrapping machinesWAC 296-806-42530Provide troughs with antifriction-bearing castersWAC 296-806-42532Follow these requirements for trough hoists and similar equipmentWAC 296-80…