Guide · By trade
Health and safety paperwork for insulation installers
A ceiling space is hot, dark, full of wiring, and floored with nothing but plasterboard. Insulation work puts a person into the one part of a building nobody else ever enters.
The hazards that actually matter
Every trade has a long list and a short one. The short one is what the task documents have to deal with properly, because it is where the serious harm comes from.
Live wiring and electrical fittings
Ceiling and underfloor spaces carry cables, junction boxes, transformers and recessed light fittings, much of it old and some of it damaged by vermin. Contact with wiring in a roof space has killed installers. The controls are isolation of the circuits arranged with the electrician before entry, treating every conductor as live, and never moving or covering a fitting to make room.
Clearances to fittings and flues
Recessed luminaires, transformers and flues have specified clearances, and insulation packed against or over one that is not rated for it is a fire risk as well as a breach of the clearance rules. The clearance is maintained physically, with a barrier or an abatement, not estimated.
Falls through the ceiling
The only thing between the installer and the room below is the lining. Weight goes on the joists or on a crawl board, the route is planned before the first step, and penetrations, access hatches and skylight openings are treated as holes.
Restricted space and access
Low headroom, no light, trusses at awkward spacing and a hatch that is the only way out. Working alone in one compounds everything else, so a second person outside the space and a means of communication.
Heat stress
A roof space in summer runs far above the outside temperature and there is no airflow. Work is timed to the cool part of the day, with water, rest and someone watching for the early signs rather than the late ones.
Asbestos in older spaces
Loose-fill and lagging in older ceilings, asbestos-containing board around flues, and debris from earlier work. Identification before entry, because a roof space is the worst place to discover it.
Fibre and dust exposure
Glass and wool fibre irritates skin, eyes and airways, and an old ceiling space adds decades of accumulated dust and vermin contamination. Coveralls, eye protection and respiratory protection chosen for the exposure.
Underfloor and biological hazards
Subfloors add confined access, standing water, vermin and the risk of leptospirosis from rodent urine. Covered cuts, gloves, and washing before eating rather than at the end of the day.
What applies beyond the general duties
The Health and Safety at Work Act 2015 and the General Risk and Workplace Management Regulations 2016 apply to every business. These sit on top of them for this trade:
- Electricity (Safety) Regulations 2010, for clearances to electrical fittings and the duty not to create an unsafe installation
- Health and Safety at Work (Asbestos) Regulations 2016, identification before entering a pre-2000 ceiling or subfloor space
- Health and Safety at Work (General Risk and Workplace Management) Regulations 2016, for airborne contaminants (regs 28 to 31) and remote or isolated work (reg 21)
Competence and licensing
There is no occupational licence for installing insulation, which is exactly why the electrical interface has to be formal: isolation is arranged with a registered electrician and confirmed before anyone enters the space, and any work on the fittings themselves is prescribed electrical work that an installer must not do. Respiratory protection relied on for fibre or dust must be face fit tested, and anyone working alone in a restricted space needs a check-in arrangement that someone is actually monitoring.
Notifying WorkSafe
Rarely triggered by the reg 26 list. An electric shock to a person is a notifiable event and must be reported to WorkSafe as soon as possible, which for this trade is the notification that matters. The full list and its exclusions are in notifiable work: the 10 categories.
What a main contractor will ask you for
- Your contribution to the site plan, or your own if you hold the head contract
- Written confirmation of electrical isolation before entry, and who arranged it
- A Task Analysis for each task: ceiling space entry, installation, underfloor work
- The clearances maintained to luminaires, transformers and flues, and how they are held
- Asbestos identification for any pre-2000 ceiling or subfloor space
- The arrangement for anyone working alone in a restricted space
- Sign-on sheets against each document
A document per task, not one for the job. The crew doing one task should not have to read past three others to find their controls, and a site manager checking one task should not have to either.
Where to start
If you are writing from scratch, how to write a Task Analysis sets out the order. If you have been asked for something and are not sure which document it is, which document do you need covers the difference between a site plan and a task document. Our prepared documents for this trade are the Insulation Task Analysis Pack, or single documents from the catalogue.
Sources
- Health and Safety at Work Act 2015, s22 (reasonably practicable), s34 and s36
- Health and Safety at Work (General Risk and Workplace Management) Regulations 2016, regs 5 to 8
- Health and Safety in Employment Regulations 1995, reg 26 (particular hazardous work requiring notice)
- Electricity (Safety) Regulations 2010, for clearances to electrical fittings and the duty not to create an unsafe installation
- Health and Safety at Work (Asbestos) Regulations 2016, identification before entering a pre-2000 ceiling or subfloor space
- Health and Safety at Work (General Risk and Workplace Management) Regulations 2016, for airborne contaminants (regs 28 to 31) and remote or isolated work (reg 21)
- WorkSafe New Zealand, Identifying, assessing and managing work risks
This guide is general information about New Zealand health and safety law as at the review date. It is not legal advice and it does not describe your site. Confirm what applies to you with WorkSafe New Zealand or your adviser.