Best Boots for Sawmill and Lumber Yard Work

Sawmill and lumber-yard work combines rough outdoor terrain, wet timber, sawdust, heavy machinery, mud, gravel, concrete, loading equipment, and long industrial shifts.

A worker may begin the day inspecting incoming logs, cross a muddy log yard, move through a debarking area, climb mill platforms, help stack lumber, operate a forklift, load trucks, and finish the shift cleaning sawdust or wood debris from production areas.

Footwear may encounter:

Wet logs.
Mud.
Bark.
Sawdust.
Wood chips.
Gravel.
Concrete.
Rain.
Hydraulic fluid.
Lumber stacks.
Loading docks.
Metal stairs and platforms.

That makes footwear an important part of daily wood-processing work.

The best boots for sawmill workers should provide dependable waterproof protection, strong underfoot support, secure footing on mixed surfaces, durable construction, and the safety features required for working around heavy timber and industrial machinery.

Sawmills Are Mixed-Surface Workplaces

One of the biggest footwear challenges in a sawmill is the constant change in walking surface.

Workers may move between:

Muddy log yards.
Gravel roads.
Concrete production floors.
Metal stairs.
Wood platforms.
Loading docks.

A boot designed only for one surface may become uncomfortable or inefficient during the rest of the shift.

For many mill employees, a balanced waterproof safety boot is more practical than extremely specialized footwear.

Waterproofing Matters in Lumber Operations

Sawmill work is not always dry.

Moisture may come from:

Rain.
Wet logs.
Snowmelt.
Washdown.
Mud.
Outdoor storage yards.

Workers who repeatedly move between indoor and outdoor areas benefit from dependable waterproof construction.

Wet Logs Create More Than a Moisture Problem

Freshly delivered timber may contain substantial moisture.

Rain-soaked logs can also leave:

Water.
Bark.
Mud.

around handling areas.

This combination creates slippery and uneven walking conditions.

Boots for Log Yard Workers

Log yards may be among the roughest parts of a wood-processing facility.

Workers can encounter:

Mud.
Gravel.
Bark.
Standing water.
Heavy equipment tracks.

Footwear should provide:

Strong midsoles.
Ankle support.
Secure heel fit.
Moderate-to-deep outdoor tread.

Muddy Log Yards Need Open Tread

Heavy machinery can turn wet soil into deep ruts.

Useful outsole features include:

Open channels.
Defined heel edges.
Durable rubber.
Moderate-to-deep lugs.

Tread should release mud instead of holding it.

Clay Soil Can Pack Into Sawmill Boots

Wet clay can fill narrow grooves quickly.

Once packed, the outsole may become:

Heavy.
Smooth.
Difficult to clean.

Wider tread spacing works better in sticky ground.

Boots for Gravel Lumber Yards

Many lumber yards use crushed stone for drainage.

Gravel can be hard on thin soles.

Workers who spend long shifts outdoors should prioritize:

Strong midsoles.
Durable outsole compounds.
Stable heel cups.

Thin Rain Boots Are Usually Not Enough

Basic recreational rain boots may keep water out, but they often provide limited:

Underfoot protection.
Ankle support.
Impact protection.
Cushioning.

Full-time mill work generally requires more structure.

Boots for Log Decks

Log decks and feed areas may contain:

Bark.
Wood fragments.
Wet timber residue.

Workers need controlled footing around moving material.

Loose Bark Can Shift Underfoot

Bark behaves differently from gravel.

It may:

Compress.
Slide.
Roll.

Broad outsole contact and secure heel fit improve stability.

Boots for Debarking Areas

Debarking equipment generates large amounts of:

Bark.
Wood debris.
Moist organic material.

Footwear should be easy to clean.

Deep Tread Can Trap Bark

Extremely complex outsole patterns may collect wood material.

Moderate open tread is generally easier to maintain.

Boots for Sawmill Production Floors

Inside the mill, workers may spend long periods on:

Concrete.
Steel platforms.
Industrial flooring.

Cushioning becomes especially important.

Concrete Fatigue Matters

A worker standing on hard surfaces for eight or more hours may experience:

Foot fatigue.
Heel discomfort.
Leg fatigue.

Supportive midsoles and removable footbeds help.

Boots for Saw Operators

Machine operators may spend much of the shift near:

Saws.
Conveyors.
Control stations.

They need stable footwear that supports precise movement.

Safety-Toe Protection May Be Required

Sawmill employees may work around:

Lumber.
Tools.
Machinery.
Heavy wood products.

Protective-toe footwear is common in industrial wood-processing environments.

Boots for Conveyor Areas

Conveyors move:

Logs.
Boards.
Wood waste.

Workers may inspect or maintain equipment from:

Platforms.
Walkways.
Stairs.

Moderate outsole thickness improves precise foot placement.

Boots for Metal Stairs

Very deep field lugs can feel bulky on narrow industrial steps.

Workers should look for:

Stable heel edges.
Secure fit.
Controlled flexibility.

Boots for Planer Mills

Planing and finishing areas may contain:

Fine sawdust.
Wood shavings.
Hard floors.

Hard-floor cushioning and simple tread work well.

Sawdust Can Change Floor Traction

Fine sawdust may reduce friction on smooth surfaces.

No ordinary boot eliminates this hazard.

Good housekeeping remains essential.

Boots for Wood-Shaving Areas

Larger shavings may become trapped inside deep tread.

Workers should clean footwear regularly.

Boots for Sawdust Collection Systems

Maintenance crews may work around:

Dust collectors.
Ductwork.
Conveyors.

More structured industrial footwear may be needed.

Boots for Lumber Stacking Crews

Finished boards may be:

Stacked.
Banded.
Moved.

Workers need secure footing around heavy material.

Lumber Can Create Impact Hazards

Dropped boards may injure feet.

Protective-toe footwear may be appropriate or required.

Boots for Manual Board Handling

Workers repeatedly carrying lumber need:

Secure heel support.
Good cushioning.
Stable outsole contact.

Boots for Green Lumber

Freshly cut lumber may contain significant moisture.

Handling areas may stay damp.

Waterproof construction is useful.

Boots for Dry Lumber Areas

Kiln-dried lumber sections may be less wet.

Workers may prioritize:

Cushioning.
safety protection.
lower boot weight.

Boots for Kiln Yard Workers

Lumber drying operations may involve:

Kilns.
Forklifts.
Concrete.
Gravel.

Mixed-surface safety footwear is practical.

Kiln Areas Can Be Warm

Heavy insulated boots may become uncomfortable.

Workers should avoid unnecessary insulation.

Heat Resistance Is Different From Waterproofing

General waterproof boots should not automatically be considered suitable for direct high-temperature exposure.

Task-specific PPE requirements come first.

Boots for Lumber Kiln Operators

Employees may move between warm interiors and outdoor yards.

A breathable or uninsulated waterproof work boot is often more versatile.

Boots for Forklift Drivers

Forklifts are essential in lumber yards.

Operators may repeatedly move between:

Cabs.
Gravel.
Concrete.
Loading areas.

Footwear should provide:

Good pedal control.
Secure heel positioning.
Stable machine-step contact.

Thick Soles Can Reduce Pedal Feel

Very bulky boots may make fine equipment control less comfortable.

Moderate outsole thickness is usually better.

Boots for Loader Operators

Wheel loaders may move:

Logs.
Bark.
Wood chips.

Operators need footwear that handles both machinery and rough outdoor ground.

Boots for Log Loader Crews

Employees working around log-handling machines may need more protective industrial footwear.

Boots for Lumber Loading Docks

Finished products may be loaded onto:

Trucks.
Trailers.
Railcars.

Workers may encounter:

Wet concrete.
Metal dock plates.
Outdoor rain.

Mixed-surface waterproof safety boots are practical.

Boots for Flatbed Loading

Workers securing lumber may climb around:

Trailers.
Loads.
Platforms.

Precise footing is important.

Mud Should Be Removed Before Climbing

Packed dirt can reduce traction on metal.

Workers should clean heavy buildup whenever practical.

Boots for Rail Loading Areas

Some mills ship lumber by rail.

Workers may encounter:

Ballast.
Gravel.
Steel steps.

Strong underfoot support is useful.

Boots for Lumber Truck Drivers

Drivers may move between:

Vehicle cabs.
Gravel yards.
Muddy loading sites.

Mid-height waterproof work boots provide useful versatility.

Driving Comfort Matters

Knee-high heavy rubber boots may be inconvenient during long driving shifts.

Boots for Strap and Banding Crews

Lumber may be secured using:

Bands.
Straps.
Packaging materials.

Workers should watch for sharp debris.

Puncture Hazards Matter in Lumber Yards

Potential hazards may include:

Nails.
Metal strapping.
Staples.
Wire.
Broken pallets.

A thick outsole is not automatically puncture resistant.

Puncture-Resistant Boots May Be Appropriate

Workers in debris-heavy areas may need footwear with specific puncture protection.

Boots for Pallet Areas

Lumber operations may use wood pallets extensively.

Broken pallets can expose:

Nails.
Splinters.

Regular outsole inspection is important.

Boots for Lumber Warehouses

Indoor warehouses may be relatively dry.

Workers may spend most of the shift on:

Concrete.
Smooth industrial floors.

Cushioning becomes more important than deep outdoor tread.

Boots for Order-Picking Crews

Employees may walk long routes through storage areas.

Lower boot weight helps reduce fatigue.

Boots for Building-Material Yards

Some lumber yards also sell:

Plywood.
Roofing materials.
Construction products.

Workers may perform a mix of warehouse and outdoor work.

Boots for Customer Loading Crews

Employees helping customers load material may transition between:

Concrete.
Asphalt.
Gravel.
Rain.

Waterproof safety boots are practical.

Boots for Retail Lumber Yards

Customer-facing employees need footwear that remains:

Durable.
Cleanable.
Comfortable.

Smooth waterproof uppers can be easier to maintain.

Boots for Outdoor Lumber Storage

Stored lumber may remain outdoors under partial cover.

Workers may encounter rain and wet ground throughout the year.

Boots for Covered Storage Sheds

Even roofed areas may have:

Gravel.
Wet edges.
Mud.

Mixed-surface tread works well.

Boots for Timber Receiving Areas

Incoming logs may arrive by:

Truck.
Rail.

Receiving workers may spend significant time outdoors.

Boots for Log Truck Unloading

Workers operate near heavy timber and machinery.

Protective footwear may be required.

Boots for Truck Scale Areas

Scale employees may move between:

Offices.
Gravel.
Wet pavement.

Moderate tread is practical.

Boots for Bark Processing

Bark may be used for:

Mulch.
Biomass fuel.
Byproducts.

Workers may handle large piles.

Boots for Bark Mulch Yards

Wet bark can become slippery and soft.

Moderate outdoor tread provides better control.

Boots for Wood-Chip Yards

Chip piles create loose footing.

Workers should prioritize:

Secure heel fit.
Stable midsoles.
Moderate tread.

Extremely Deep Lugs May Dig Into Loose Chips

Broad outsole contact may feel more stable.

Boots for Biomass Areas

Some mills burn wood residue for energy.

Workers may handle:

Chips.
Bark.
Sawdust.

Footwear requirements depend on specific equipment and thermal hazards.

Boots for Boiler Support Work

Standard waterproof footwear should not automatically be considered heat-resistant PPE.

Boots for Firewood Production

Some mills or lumber yards produce:

Firewood.
Split logs.

Workers may handle heavy wood pieces.

Safety-toe boots may be appropriate.

Boots for Log Splitter Operators

Workers need stable footing around mechanical equipment.

Boots for Firewood Stacking

Repeated lifting makes secure heel support important.

Boots for Sawmill Maintenance Workers

Mills rely on:

Motors.
Bearings.
Hydraulics.
Saws.
Conveyors.

Maintenance technicians usually need more industrial footwear.

Oil Resistance May Matter

Mechanics may encounter:

Lubricants.
Grease.
Hydraulic fluid.
Fuel.

Waterproof does not automatically mean oil resistant.

Boots for Hydraulic Repairs

Equipment-fluid spills may reduce floor traction.

Material compatibility matters.

Boots for Bearing and Motor Maintenance

Heavy components may create impact hazards.

Safety-toe footwear may be required.

Boots for Blade Maintenance Areas

Sawmill blades create serious cut hazards.

Footwear is only one part of a larger safety program.

Boots for Welding and Fabrication

Maintenance shops may perform:

Welding.
Cutting.
Metal repair.

General waterproof boots should not automatically be used around hot metal or sparks.

Boots for Electrical Maintenance

Sawmills contain extensive electrical systems.

Waterproof boots are not automatically electrically protective.

Task-specific electrical PPE requirements come first.

Boots for Mill Washdown

Certain processing areas may require water cleaning.

Workers may use:

Hoses.
Pressure washers.

Mid-calf waterproof boots may be practical.

Pressure Washing Safety

Waterproof boots do not protect feet from direct high-pressure spray.

Boots for Equipment Cleaning

Machinery may collect:

Sawdust.
Resin.
Bark.

Easy-clean uppers help.

Boots for Resin and Sap Exposure

Fresh timber can release sap or resin.

Sticky residue may collect on footwear.

Clean Sap With Footwear-Safe Methods

Aggressive solvents may damage:

Rubber.
Adhesives.
Waterproof membranes.

Follow manufacturer recommendations.

Boots for Resinous Softwood Mills

Facilities processing:

Pine.
Fir.
Spruce.

may encounter more sticky resin.

Smooth waterproof boot materials can simplify cleaning.

Boots for Hardwood Mills

Hardwood operations may produce heavier boards and logs.

Protective footwear requirements may be more demanding.

Boots for Oak Lumber Yards

Heavy hardwood products create substantial impact risk.

Safety-toe footwear may be appropriate.

Boots for Cedar Mills

Wood residue may contain fine material that collects on footwear.

Simple tread is easier to clean.

Boots for Timber Grading Crews

Graders may inspect lumber while standing for long periods.

Cushioning becomes important.

Boots for Quality-Control Workers

Employees may move between:

Production floors.
Storage yards.
Loading zones.

Versatile waterproof safety boots work well.

Boots for Wet Lumber Inspection

Outdoor inspectors may encounter:

Rain.
Mud.
Wet boards.

Waterproof footwear is practical.

Boots for Sawmill Yard Roads

Large mills may have long internal roads.

Workers may travel over:

Gravel.
Mud.
Bark debris.

Durable mixed-surface footwear is useful.

Boots for Rainy Sawmill Yards

Rain can turn log and storage areas muddy quickly.

Mid-height or mid-calf waterproof boots offer useful protection.

Boots for Deep Mud

Workers spending most of the day outdoors may need:

Greater shaft coverage.
More open tread.
Secure heel fit.

Boots for Snowy Lumber Yards

Northern mills may operate through winter.

Workers may encounter:

Snow.
Slush.
Frozen mud.
Ice.

Moderate insulation may be useful.

Boots for Slush

Mid-calf waterproof boots provide useful protection.

Frozen Mud Creates Uneven Ground

Ruts may freeze solid overnight.

Supportive ankle construction helps.

Ice Requires Separate Traction Measures

No ordinary work boot completely eliminates ice risk.

Approved traction devices or facility controls may be needed.

Boots for Road Salt Around Mill Yards

Deicing products may accumulate on footwear.

Regular rinsing helps remove residue.

Boots for Summer Sawmill Work

Production buildings can become hot.

Heavy insulated boots may cause unnecessary heat buildup.

Workers should prioritize:

Uninsulated construction.
Manageable boot weight.
Moisture-wicking socks.

Waterproof Boots Can Still Become Damp Inside

Perspiration may be the main moisture source during warm shifts.

Daily drying is important.

Boots for Outdoor Summer Yard Work

Workers may combine:

Heat.
Gravel.
Mud.
Sawdust.

Lightweight waterproof safety boots can reduce fatigue.

Boots for Storm Cleanup

High winds or severe weather may leave:

Fallen branches.
Lumber debris.
Damaged roofing.
Mud.

More protective footwear may be required.

Chainsaw Work Requires Specialized Protection

General waterproof boots are not automatically chainsaw-protective footwear.

Workers should use appropriate cut-resistant PPE where required.

Boots for Timber Cleanup Crews

Cleanup workers may encounter:

Sharp wood.
Nails.
Metal.
Broken pallets.

Safety and puncture protection may become more important.

Boots for Drainage Maintenance

Large yards require effective stormwater management.

Workers may clean:

Ditches.
Culverts.
Channels.

Mid-calf waterproof boots are useful.

Boots for Ditch Cleaning

Workers may encounter:

Mud.
Water.
Wood debris.

Open tread helps.

Boots for Culvert Maintenance

Uneven gravel and standing water require supportive footwear.

Boots for Retention Pond Inspections

Some facilities maintain stormwater ponds.

Banks may be:

Muddy.
Sloped.
Wet.

Secure ankle and heel support matter.

Boots for Environmental Monitoring

Workers may inspect:

Runoff.
Water quality.
Yard drainage.

Lightweight waterproof outdoor boots are practical.

Boots for Dust-Control Crews

Mills may use water to manage dust in some areas.

This can create unexpected wet surfaces.

Boots for Sprinkler and Fire-System Maintenance

Sawmills place strong emphasis on fire protection.

Workers may maintain:

Sprinklers.
Pumps.
Water lines.

Waterproof work boots are practical.

Boots for Fire-Response Support

Firefighting tasks require specialized protective footwear.

Ordinary waterproof work boots should not be substituted for firefighting PPE.

Boots for Long Mill Shifts

Sawmills often operate long or multiple shifts.

Footwear comfort matters increasingly as hours add up.

Boot Weight Matters

Workers may walk thousands of steps.

Heavy footwear increases fatigue.

Cushioning Matters on Concrete and Gravel

Even outdoor employees may spend substantial time on:

Concrete.
Metal platforms.
Gravel.

Supportive midsoles improve comfort.

Heel Retention Matters in Mud and Around Machinery

Secure fit improves controlled movement.

Ankle Support Matters in Log Yards

Bark, gravel, ruts, and uneven ground create constant changes in foot angle.

Forefoot Flexibility Helps With Climbing and Maintenance

Workers may frequently:

Kneel.
Crouch.
Climb stairs.
Enter equipment.

The boot should flex naturally.

Toe Room Matters During Long Shifts

Feet may swell after hours of standing.

Enough toe room improves comfort.

Best Socks for Sawmill Workers

Synthetic and wool-blend socks generally perform better than cotton.

Useful features include:

Moisture wicking.
Quick drying.
Heel cushioning.
Temperature regulation.

Spare Socks Can Be Useful

Heavy rain or washdown may occasionally allow water into footwear.

A dry pair improves comfort.

Removable Insoles Improve Daily Use

Replaceable footbeds allow workers to:

Dry footwear.
Restore cushioning.
Improve hygiene.
Adjust support.

Easy-Clean Construction Is Important

Sawmill boots may collect:

Mud.
Sawdust.
Bark.
Resin.
Wood chips.

Smooth durable uppers simplify maintenance.

How to Clean Sawmill Work Boots

A practical routine may include:

Remove wood chips and bark.
Brush sawdust from tread.
Clean mud before it hardens.
Remove sap or resin using footwear-safe methods.
Inspect for nails, staples, or metal.
Remove damp insoles.
Allow footwear to dry completely.

Sawdust Should Be Removed Regularly

Fine wood particles can accumulate around:

Tread.
Seams.
Hardware.

Check the Outsole for Sharp Debris

Lumber yards may contain:

Nails.
Staples.
Strapping.

Regular inspection helps identify damage early.

How to Dry Sawmill Boots

After wet work:

Remove insoles.
Open the boots fully.
Allow airflow.
Use low-temperature drying if approved.

Avoid excessive direct heat.

Rotating Two Pairs Can Help Full-Time Mill Workers

Consecutive wet shifts may prevent one pair from drying completely.

Alternating footwear gives each pair more recovery time.

When Sawmill Work Boots Should Be Replaced

Replace footwear when:

Waterproofing fails.
Tread becomes badly worn.
Outsole separation develops.
Puncture damage appears.
Heel support collapses.
Safety components are compromised.
Heat or chemical damage appears.
Cushioning becomes ineffective.

Do Sawmill Workers Need Safety-Toe Boots?

Many sawmill, lumber-yard, loading, warehouse, and maintenance roles may require protective-toe footwear because of heavy timber and machinery.

Do Lumber Yard Workers Need Puncture-Resistant Boots?

Puncture protection may be appropriate around:

Nails.
Staples.
Broken pallets.
Metal strapping.
Construction debris.

Are Rubber Boots Good for Sawmill Work?

Rubber boots can be useful for:

Muddy log yards.
Washdown.
Rain.
Outdoor wood-chip areas.

However, workers around machinery and heavy timber may need more structured safety footwear.

Common Mistakes When Buying Sawmill Boots

Buying Cheap Rain Boots for Full-Time Mill Work

They may lack enough support and protection.

Choosing Deep Mud Boots for Indoor Production Floors

Hard surfaces usually need more balanced tread.

Wearing Boots Too Loose in Log Yards

Secure heel fit improves stability.

Ignoring Concrete Cushioning

Many mill workers spend hours on hard surfaces.

Using Thin Soles on Gravel

Coarse stone quickly becomes uncomfortable.

Choosing Tall Bulky Boots for Forklift Operators

Pedal control may suffer.

Assuming Waterproof Means Oil Resistant

Mechanics may require additional outsole properties.

Ignoring Nails and Metal Strapping

Sharp debris creates puncture hazards.

Allowing Sawdust and Bark to Pack Into Tread

Debris can reduce traction and increase cleaning time.

How to Choose the Best Boots for Sawmill Work

Start with the worker’s primary responsibilities.

For log-yard crews, prioritize:

Waterproof construction.
Rugged mixed-terrain tread.
Strong midsoles.
Ankle support.

For production-floor workers, prioritize:

Hard-floor cushioning.
Moderate tread.
Safety protection.

For lumber-stack and loading crews, prioritize:

Protective toes.
Secure heel fit.
Durable construction.

For forklift and loader operators, prioritize:

Pedal control.
Moderate outsole thickness.
Stable machine-step contact.

For washdown workers, prioritize:

More waterproof coverage.
Easy-clean materials.
Wet-floor traction.

For maintenance mechanics, prioritize:

Safety ratings.
Oil resistance where required.
Puncture protection where appropriate.

Workers comparing waterproof footwear from brands such as Trudave Gear should choose boots according to the actual combination of wet logs, mud, gravel, concrete, sawdust, heavy timber, equipment, and long industrial shifts involved in their job.

Frequently Asked Questions

What are the best boots for sawmill work?

The best sawmill boots are waterproof where needed, supportive on gravel and concrete, securely fitted, durable, and equipped with the safety protection required for heavy timber and machinery.

Are rubber boots good for lumber yards?

Yes. Rubber boots are useful for muddy outdoor yards, rain, washdown, bark handling, and wet log areas when appropriate for the worker’s safety requirements.

What boots are best for muddy log yards?

Waterproof work boots with open tread channels, strong midsoles, secure heel fit, ankle support, and moderate-to-deep outdoor tread are practical.

What boots are best for sawmill concrete floors?

Supportive safety boots with good cushioning, broad outsole contact, moderate tread, and removable insoles work well.

Are deep-lug boots good inside sawmills?

Usually not. Deep outdoor tread may trap sawdust and bark and feel less precise on concrete, stairs, and metal platforms.

Do sawmill workers need safety-toe boots?

Many sawmill and lumber-yard roles require safety-toe footwear because workers operate around heavy timber, machinery, forklifts, and materials.

Do sawmill workers need puncture-resistant boots?

Some operations may require puncture protection because of nails, staples, metal strapping, pallets, and maintenance debris.

Are waterproof boots suitable for chainsaw work?

Not automatically. Chainsaw work may require specialized cut-resistant footwear.

What boots are best for forklift operators in lumber yards?

Structured waterproof safety boots with moderate outsole thickness, secure heel fit, good pedal control, and stable equipment-step traction are practical.

How should sawmill work boots be cleaned?

Remove sawdust, bark, wood chips, and mud, clean sap using footwear-safe methods, inspect tread for nails or metal debris, and allow the footwear to dry completely.

Final Thoughts

Sawmill and lumber-yard work combines wet timber, mud, bark, sawdust, gravel, heavy machinery, forklifts, lumber stacks, loading operations, concrete floors, and changing outdoor weather.

The best footwear depends on the worker’s actual role.

Log-yard crews need waterproof boots with rugged outdoor traction and strong underfoot support.

Production workers need cushioning and stable hard-floor performance.

Lumber-handling crews may require additional impact protection.

Equipment operators need reliable pedal control.

Washdown workers benefit from greater waterproof coverage.

Maintenance teams may require additional oil, puncture, or task-specific safety protection.

Trudave Gear offers waterproof outdoor and work footwear suited to rain, mud, gravel, industrial yards, material handling, and demanding daily work environments.

Choosing footwear according to the actual sawmill task can help workers stay drier, reduce fatigue, maintain better footing, and remain more comfortable from the first log truck entering the yard in the morning to the final lumber load prepared for shipment at the end of the shift.