Spa & Hot Tub Install SWMS

Pool and spa installation covers the installation of spas and spa pools and their integration with a pool — installing the spa or spa pool, its plumbing, electrical, heating and chemical systems, and integrating it with the pool where combined. It draws together the hazards of the whole cluster: the plumbing with suction-entrapment and backflow, the electrical with bonding and residual current device protection, the heated water with scalding, the chemicals, and the safety barrier, because a spa pool is a pool under the pool-safety barrier law. This document is written on the basis that pool and spa installation is carried out with the suction-entrapment, electrical, heated-water, chemical and barrier controls in place, by the appropriate licensed trades.

Pool and spa installation is carried out to the pool safety standards AS 1926.1, AS 1926.2 and AS 1926.3, the electrical Wiring Rules AS/NZS 3000, the plumbing AS/NZS 3500 with backflow protection, and the heated water requirements, with the spa integrated and the safety barrier provided because a spa pool is a pool under the barrier law. The suction-entrapment, the electrical bonding and protection, the heated water and scalding, the chemicals, and the safety barrier are the considerations. This document coordinates the suction-entrapment, electrical, heated-water, chemical and barrier controls so the pool and spa is installed safely.

Hazards identified

9 hazards covered, sorted by priority.

Control measures

Hierarchy-of-controls order: elimination → substitution → isolation → engineering → administrative → PPE.

1. 1Engineering: install the water recirculation outlets and skimmer boxes to AS 1926.3 so suction-entrapment is prevented — compliant outlets and covers, anti-entrapment arrangements, and a means of releasing the vacuum if an outlet becomes blocked.
2. 2Administrative: have all electrical work carried out by a licensed electrician to AS/NZS 3000, including the pool electrical zones, equipotential bonding and residual current device protection, with the supply isolated for the work.
3. 3Engineering: provide equipotential bonding and residual current device protection for the spa and pool electrical to AS/NZS 3000, because the spa water and electricity combination is high-hazard.
4. 4Engineering: provide delivery-temperature control for the heated spa water so it does not scald, managing the heated water and scalding hazard.
5. 5Administrative: manage the spa and pool chemicals to their safety data sheets, never mixing incompatible chemicals, with the appropriate protection.
6. 6Administrative: maintain a temporary pool safety barrier during construction and reinstate or install the permanent safety barrier to AS 1926.1 and AS 1926.2, restricting young children's access to the pool, recognising drowning is a critical risk.
7. 7Engineering: provide and confirm backflow protection on the spa and pool connection to the drinking water supply, and prevent falls and injury around the shell and the spa.
8. 8Engineering: site the spa on an adequate, stable base or structure and handle it with mechanical lifting, and commission the spa and pool confirming the safety arrangements.
9. 9Administrative: all workers must hold a valid White Card (General Construction Induction Training, CPCCWHS1001), with the pool-construction, plumbing, electrical, gasfitting, confined space and any other competencies and licences required for the work.
10. 10Administrative: conduct a pre-start toolbox talk covering the day's work, identified hazards, isolations, required PPE and emergency procedures, and record attendance in the consultation section.
11. 11Administrative: consult workers and any health and safety representatives on the work and its risks, record the consultation, and keep this document available at the workplace.
12. 12PPE: eye protection to AS/NZS 1337.1, hearing protection where required, gloves appropriate to the task, high-visibility clothing, and Class I or Class II safety footwear with protective toecap to AS/NZS 2210.3.
13. 13Administrative: review and update this SWMS whenever the work scope changes, after any incident or near miss, when a worker or health and safety representative raises a concern, when new hazards are identified, or at minimum every 12 months.
14. 14Administrative: ensure each part of the work is carried out by the appropriately licensed or competent person — pool builder, licensed plumber, licensed electrician and licensed gasfitter as relevant — under the applicable state or territory licensing scheme, with compliance certification where required.

Applicable Codes of Practice

Worked example

The appropriate licensed trades are engaged to install a spa pool integrated with a swimming pool. The water recirculation outlets are installed to AS 1926.3 so suction-entrapment is prevented, with compliant outlets and a means of releasing the vacuum if an outlet becomes blocked. All electrical work is carried out by a licensed electrician to AS/NZS 3000, with equipotential bonding and residual current device protection for the spa and pool electrical, because the spa water and electricity combination is high-hazard. Delivery-temperature control is provided for the heated spa water so it does not scald. The spa and pool chemicals are managed to their safety data sheets, never mixing incompatible chemicals, with the appropriate protection. A safety barrier is provided to AS 1926.1 and AS 1926.2, because a spa pool is a pool under the barrier law, restricting young children's access. Backflow protection on the connection to the drinking water supply is provided and confirmed, and falls around the shell and spa prevented. The spa is sited on an adequate, stable base and handled with mechanical lifting. The spa and pool are commissioned, confirming the safety arrangements, and the records retained.

Related legislation

• Model Work Health and Safety Act — primary duty of care; the duty to consult workers; the reckless-conduct offence; and notifiable-incident provisions, as enacted in each jurisdiction.
• Model Work Health and Safety Regulations — Section 291 high risk construction work and the SWMS preparation and review duties, and the excavation, confined space and electrical provisions where applicable, as enacted in each jurisdiction.
• The swimming pool safety standards AS 1926.1, AS 1926.2 and AS 1926.3, the electrical Wiring Rules AS/NZS 3000, the plumbing and drainage standards AS/NZS 3500, AS/NZS 5601.1:2022 for gas, and the hazardous chemicals and silica requirements, are called up by the relevant building, plumbing, electrical, gas and safety legislation, together with the National Construction Code and local council requirements.
• Pool construction, plumbing, electrical and gasfitting work is licensed under each state and territory's licensing schemes, with electrical work carried out by a licensed electrician and gas work by a licensed gasfitter, and compliance certification required for notifiable work; pool safety barrier requirements apply under state and territory pool-safety laws.
• Victoria operates under the Occupational Health and Safety Act 2004 and the Occupational Health and Safety Regulations 2017, with the high risk construction work, excavation, confined space and electrical provisions applying in place of the model instruments.

Frequently asked questions