The job is separating people from moving plant
Warehouse marking looks like tidiness. It is actually a control measure. The core purpose is keeping pedestrians and mobile plant apart, and most of the layout decisions follow from that single objective.
Forklifts and other powered mobile plant are among the higher risk things in a workplace. A driver's vision is restricted by the load, floors are often noisy, and people on foot are unpredictable. Marked walkways give pedestrians a defined route, tell drivers where people will be, and make it obvious when someone is somewhere they should not be.
That is why insurers, WHS reviews and incoming tenants ask about it, and why the marking often has to be in before operations start.
What normally gets marked
- Pedestrian walkways. Continuous routes from entry points to work areas, kept clear of racking and plant paths.
- Crossings. Where a walkway has to cross a traffic route, marked so both parties expect it.
- Traffic routes and aisles. Directional flow, one way aisles and give way points.
- Racking and storage footprints. Outlines showing where pallets and stock belong, so aisles stay aisles.
- Keep clear zones. Around switchboards, fire equipment, emergency exits, eyewash stations and roller doors.
- Hazard zones. Hatched or striped areas around dock levellers, pits and swing paths.
- Charging and battery areas. Defined bays for forklift charging.
- Bollard and barrier positions. Often installed with the marking.
Colour carries meaning
Colour in a warehouse is not decorative. It is a communication system, and consistency across a site matters more than which particular scheme you pick.
Broadly, yellow is used for physical caution and for defining traffic and walkway boundaries, red for fire equipment and emergency stops, and contrasting colours for storage and product zones. Black and yellow striping conventionally indicates a physical hazard. AS 1319 covers safety signs in the work environment and is the usual reference point.
The practical rule is to agree a scheme, document it, and apply it consistently. A site where yellow means three different things in three different aisles has lost the benefit of colour coding entirely.
Concrete is a different surface to asphalt
Warehouse floors are usually sealed or polished concrete, and they behave differently to a car park.
Concrete is denser and less porous, so paint bonds differently and surface preparation matters more. A sealed or power trowelled floor may need light abrasion or a primer for the marking to hold. Where a floor has been treated with a curing compound or a densifier, that can interfere with adhesion and needs identifying before the job rather than after.
Wear is also concentrated. Forklift tyres scuff and turn in the same places, so lines on a turning circle or at a dock face wear far faster than lines along a straight walkway. On those areas a more durable system is usually worth the extra.
Doing it around an operating site
Most warehouses cannot stop. Marking is generally staged: a zone at a time, overnight, or across a weekend shutdown, with cure time built in before forklifts run over it.
Two practical points. Cure time on concrete is longer than most people expect when the shed is humid and unventilated, which on the Sunshine Coast is much of the year. And the marking should be planned with someone who actually knows how the site operates, because a walkway drawn on a plan that cuts across a pick face will be ignored within a week.