Sawmills
Sawmills turn logs into lumber with huge saws, chippers, conveyors, log decks and heavy mobile equipment. They are loud, dusty and full of fast-moving wood. Serious injuries come from contact with saws and rotating parts, rolling logs, kickback, being caught in conveyors, and fires and dust explosions.
- Sawmill Operators
- Millwrights
- Log Yard Workers
- Lumber Graders
- Supervisors
OSHA's sawmill standard
OSHA has a specific standard for sawmills, 29 CFR 1910.265, which covers log handling, machine guarding, fire protection, housekeeping and more. Other general industry standards also apply: lockout/tagout, machine guarding, noise, respiratory protection, powered industrial trucks and combustible dust. See Machine Guarding, Group Lockout and Woodworking Shops.
Main hazards
- Saws, edgers, planers and chippers: contact with blades and rotating heads causes amputations.
- Kickback and thrown wood: a board can be thrown back out of a saw or planer at high speed.
- Logs and log decks: rolling logs, shifting piles and falling stacks can crush or pin workers. See Logging.
- Conveyors and green chains: pinch points, nip points, catch points and falls. See Conveyors.
- Mobile equipment: log loaders, front-end loaders, forklifts and lumber carriers. See Equipment Basics.
- Noise: sawmills regularly exceed safe noise levels. See Noise and Audiograms.
- Wood dust and chemicals: dust causes asthma, nasal cancer and fire risk; some mills use anti-stain treatments. See Wood Dust and Combustible Dust.
- Fire: sparks, hot bearings and dust fires start easily around dry wood and sawdust.
- Slips, trips and falls on sawdust, bark, ice and uneven walkways. See Walking-Working Surfaces.
Machine safety
- Keep guards on blades, belts, chains, shafts and pulleys. Replace them after maintenance. Never run a saw with a guard removed.
- Lock out and tag out before clearing jams, changing blades, unplugging feeds or working on the machine. Wait for blades and rolls to stop completely. See Clearing Jams.
- Use push sticks, hooks and tools to clear wood, not your hands.
- Keep anti-kickback devices, feed rollers and fences in place, and stand out of the line of the wood path.
- Use emergency stops and know where they are. Test them as your procedures require. See Emergency Stops.
- Keep walkways and work areas clear. Don't wear loose clothes, jewelry or dangling gloves near machinery. Tie back long hair.
- Only trained workers should sharpen, change or handle saw blades, using blade carriers and gloves.
Logs, yards and mobile equipment
- Stay out of log pile fall zones and don't climb piles. Stack and chock logs so they can't roll, and follow slope and height rules.
- Keep pedestrians separate from loaders and trucks, with marked walkways and barriers. Use spotters where vision is blocked and keep clear of swing areas. See Backing & Spotters.
- Trained and authorized operators only, with seat belts, backup alarms and daily inspections. See Pre-Use Inspections.
- Use fall protection on elevated platforms, catwalks and truck loads where required. See Fall Protection Basics.
Dust, fire and housekeeping
- Clean up sawdust and bark regularly, especially on motors, bearings, ledges, conveyors and dust collectors. Use vacuum or washdown, not dry sweeping and compressed air. See Dust Control Methods.
- Keep ignition sources, hot work and smoking away from dusty areas. See Hot Work Permits.
- Maintain fire protection, alarms, extinguishers and water supplies, and train for evacuation and fire watches. See Emergency Action Plans.
- Maintain dust collection systems and check for sparks and hot spots in dust bins and chip piles.
- Use hearing protection, eye protection, respirators for dust, and fitted clothing.
Sawmill checklist
- Guards, anti-kickback devices and emergency stops are in place and working
- I lock out before clearing jams or servicing any machine
- I stay out of log pile and loader swing zones
- Sawdust and bark are cleaned up regularly and ignition sources controlled
- I wear hearing, eye and respiratory protection and tie back loose items
Standards & references
Last updated: