Site Management · Mandatory · Construction

Plant Pre-Use Inspection Checklist

The Plant Pre-Use Inspection Checklist is completed by the operator before each shift to verify that the plant or equipment is safe to use. It covers visual checks of guards, controls, warning devices, fluid levels, tyre condition, and structural integrity. Any defects must be reported immediately and the machine taken out of service until repaired by a competent person.

Last reviewed: 29 March 2026 — This guide reflects UK law as of this date. PUWER 1998 remains current with no amendments enacted as of 29 March 2026. Next scheduled review: 29 March 2027.

Pre-Use Checks — The Operator's First Safety Control

The pre-use check is the operator's daily confirmation that equipment is safe. It takes 5-10 minutes before first start and identifies defects developed overnight: fluid leaks, hydraulic damage, tyre punctures, broken lights, damaged guarding.

It is not a substitute for formal PUWER inspections — it is a complementary daily check filling the gap between formal inspections. An excavator inspected formally every 3 months but not checked daily may develop a critical defect between inspections.

“Equipment with a pre-use defect must be taken out of service — no exceptions for programme pressure” — The most dangerous moment is when the operator identifies a defect but is under programme pressure to start. Site rules must be clear: a defective machine does not start work. Management must support operators who report defects.

Pre-Use Inspection — Key Checks for Plant

Check	What to Look For
Pre-start walk-around	Fluid leaks under machine. Visible damage to body, boom, bucket, tracks/tyres. Hydraulic hoses — no damage or weeping. Guarding secure.
Fluid levels	Engine oil. Hydraulic fluid. Coolant. Diesel/fuel. AdBlue (if applicable).
Safety systems	Seatbelt functional. ROPS/FOPS — no visible damage. Emergency stop test. Reversing alarm functional. Camera (if fitted) functional.
Controls	All controls move freely, return to neutral. No excessive play. Horn functional.
Tyres (wheeled)	No cuts, bulges, low pressure. All wheel nuts present.
Tracks (tracked)	Track tension correct. No damage. Track pins secure.
Lights	Working lights, hazard lights, beacons. Important for early morning/winter.
Attachments	Correct attachment for task. Locking pins/wedges secure.
Pre-use check result	Pass: operator signs off. Fail: defect recorded, equipment tagged out, supervisor notified.

Common Mistakes

Pre-use check completed on paper but not actually done — forms signed from the cab without a physical walk-around. Must be physical — check dipsticks, walk around, test seatbelt, emergency stop, and warning devices. Signed paperwork without a physical check is a false record.

Defects noted but equipment used anyway — the record creates discoverable evidence. Equipment used after a recorded defect = strong evidence of knowingly using defective equipment. Record-keeping is only beneficial if a defect triggers the right response.

Generic check form not appropriate for specific plant — a generic 'plant check' for a 360 excavator and a pedestrian roller cannot adequately address the specific safety systems. Forms should be plant-type specific.

No record of who and when — must record operator name, date and time, and result. Without these, the record cannot serve as evidence that the check was done before a specific operation.

Not checking safety-critical systems — seatbelt, ROPS, reversing alarm. Pre-use checks often focus on the mechanical but neglect life-saving systems. These must be tested at each check, not assumed to be working.

Frequently Asked Questions

Is a pre-use check a legal requirement?

PUWER Reg 6 requires inspection at suitable intervals but does not specifically mandate a daily pre-use check. However, HSE guidance strongly recommends it. For daily-used construction plant, it is effectively part of meeting PUWER. Absence would be strong evidence of inadequate arrangements.

Who is responsible for the pre-use check?

The operator who will use the machine that day. They are the most familiar with it and best positioned to notice changes. No formal qualification is needed beyond training on what to look for. Operators should receive plant-specific guidance from the manufacturer or site management.

What if a defect is found after the machine is already in use?

Stop work safely, secure the machine, and report to the site manager. The operator must not continue operating. Record in the pre-use form and plant register. The machine must be examined and the defect resolved before next use.

How long should records be kept?

PUWER requires records to be kept until the next inspection. Practically, they should be retained for the project duration plus 3 years. For a machine involved in an incident, records must be preserved indefinitely until proceedings are concluded. Digital systems with archiving provide reliable retention.

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