Safe isolation and site induction checklist

Most plumbing injuries are preventable, and the prevention happens before the spanners come out. Use this as a revision checklist of the safety basics; for live work always follow the current HSE guidance and the site’s own rules.

• Attend the site induction so you know the site-specific hazards, welfare, first aid and emergency arrangements before you start.
• Have the card or other evidence the site requires for your role. A skills card supports checks of training and qualifications; it does not itself grant access or authorise every task.
• Check the risk assessment for the task: it identifies the hazards and the controls needed before work starts.
• Plan the job and check for hidden services, such as buried cables or pipes, before drilling or cutting.
• Before opening pipework or touching normally live parts, arrange isolation of every relevant supply by a person competent for that service, and secure it against reconnection.
• Verify isolation at the work point, then release or otherwise control stored pressure, heat and other energy using the planned procedure. A closed valve or stopped appliance is not enough evidence.
• Wear the right personal protective equipment for the task and keep the work area tidy to avoid slips, trips and falls.

Isolation is part of a safe system of work. Identify supplies, secure the correct isolating points and check the result before contact work. Use the procedure for the service and deal with remaining stored energy; switching off alone does not necessarily make a system safe.

Manual handling

Before handling a heavy or awkward item such as a radiator or cylinder, assess whether hazardous manual lifting can reasonably be avoided. Choose suitable equipment or a planned team lift where appropriate, checking the route and any stairs. Where handling remains, keep the load close, avoid twisting and agree how the team will move together; sharing weight does not automatically make every lift safe.

Ladders and working at height

Work from ground level where reasonably practicable. If height work remains, assess the risks and select suitable equipment. A ladder can suit low-risk, short, light work, but duration is only one consideration. More than 30 minutes at a time is guidance to consider another form of access, not a legal boundary between safe and unsafe work.

Set a leaning ladder on a firm, level base at about 1 in 4, or roughly 75 degrees. Secure it against slipping: tie both stiles where possible, then consider an effective stability device or secure wedging, with footing as the last resort. For construction platforms with a possible fall of 2 m or more, inspection in the erected position must have taken place within the previous seven days; re-inspect after events that could affect safety.

Site electrics and tool checks

Site power tools normally run from a 110V supply that is centre-tapped to earth, which limits the voltage to earth from either line to about 55V and makes a shock less severe if a fault occurs. Yellow plugs and transformers signal this 110V supply; blue signals the mains-voltage 230V equivalent — do not mix them up.

Before switching on a power tool, check its plug, casing and lead for damage and confirm any inspection label is in date. If anything is damaged, take the tool out of use, label it and report it — do not tape over a cut cable and carry on. Keep wet work such as mopping or flushing away from live electrical equipment, since water sharply increases the risk of shock; isolate the circuit first if the two cannot be kept apart.

First aid, accident records and near misses

First-aid provision follows an assessment of the hazards, workforce and access to help. Where that assessment does not require a trained first-aider, an appointed person manages the arrangements, maintains the kit and calls the emergency services when needed. A small workforce alone is not a reason to omit a trained first-aider from a hazardous site.

Record injuries in the accident book, even minor ones: the record helps spot patterns and hazards so they can be fixed before someone is hurt more seriously, not just to note who was to blame. Report near misses too, such as a trip that did not quite cause a fall — they are free warnings of a hazard that is still there.

Great Britain’s RIDDOR rules also require defined work-related events to be reported to the regulator. Deaths, specified injuries and dangerous occurrences require notification without delay. An accident causing more than 7 consecutive days of incapacity for normal work must be reported within 15 days of the accident. Other near misses and minor injuries still need the site’s internal reporting and investigation.

Fire extinguishers

UK fire classes describe the burning material: A covers ordinary solids such as wood, B flammable liquids, and C flammable gases such as methane or LPG. Dry powder marked for Class C is suitable for that fire class, but do not put out a leaking-gas flame unless the leak can be stopped safely. Extinguishing the flame while fuel continues escaping can leave an ignitable gas cloud. Raise the alarm, move to safety and call the emergency services; any firefighting must be within the emergency plan and the person’s training.

Asbestos in older buildings

A building built or refurbished before the year 2000 may contain asbestos, in old pipe lagging, boards or floor tiles among other places. Before drilling or cutting into one, stop and think: if you suspect asbestos, leave it undisturbed and get it assessed rather than carrying on.