Safe Work Method Statement
Split System Air-Conditioning Unit Installation
VSQ Group · ABN 12 345 678 901
Company details
Business address
Unit 2, 1–3 Evans Street, Freshwater NSW 2096
Project information
Project name
Castle Towers
Principal contractor
ABC Construction
Project manager
Tony Vella
Site supervisor
Mick Jones
Risk assessment matrix
| Likelihoodvs Consequence → |
Insignificant (1) |
Minor (2) |
Moderate (3) |
Major (4) |
Catastrophic (5) |
| Almost Certain (5) |
Medium 5 | High 10 | Extreme 15 | Extreme 20 | Extreme 25 |
| Likely (4) |
Medium 4 | Medium 8 | High 12 | Extreme 16 | Extreme 20 |
| Possible (3) |
Low 3 | Medium 6 | High 9 | High 12 | Extreme 15 |
| Unlikely (2) |
Low 2 | Low 4 | Medium 6 | High 8 | High 10 |
| Rare (1) |
Low 1 | Low 2 | Low 3 | Medium 4 | High 5 |
ExtremeDo not proceed — eliminate or substitute the risk.
HighReview before commencing; additional controls required.
MediumMaintain control measures and monitor.
LowRecord and monitor; manage by routine procedures.
Scope of work
Installation of a split system air-conditioning unit, including mounting the indoor and outdoor units, connecting refrigerant lines, and making electrical connections.
High risk construction work
No High Risk Construction Work categories selected for this task. Review against WHS Regulation 2017 cl. 291 before work commences and update if site conditions change.
Controls — PPE, plant, permits & references
Safety bootsHi-vis clothingHard hat
Safety glassesGlovesRespiratory protection (P2)
LaddersPower toolsHand toolsTest equipment
Electrical isolation / LOTOWorking at heights
WHS Act 2011WHS Regulation 2017Construction Work COPHow to Manage WHS Risks COP
Hierarchy of controls
Most effective
Least effective
EliminationRemove the hazard
SubstitutionReplace the hazard
IsolationSeparate people
EngineeringEngineering controls
AdministrativeProcedures & training
PPEProtective equipment
Job activities, hazards & controls
| Task / step |
Hazards |
Initial |
Control measures |
Residual |
Responsible |
| Site setup and preparation |
- Slips, trips and falls
- Public / other trades in work area
|
High |
- Establish exclusion zones and signage
- Keep walkways clear
- Site induction completed before commencing
|
Low |
Site Supervisor |
| Accessing installation area |
- Fall from height
- Falling objects / tools
|
Extreme |
- Use ladders or EWP with edge protection where practicable
- Inspect ladders before use; maintain 3 points of contact
- Establish exclusion zone below
|
High |
Technician |
| Mounting indoor and outdoor units |
- Manual handling of units
- Lacerations from sharp edges
|
Extreme |
- Use mechanical hoist or assist device for heavy units
- Wear cut-resistant gloves
- Team lift heavy or awkward items
|
Medium |
Technician |
| Connecting refrigerant lines |
- Refrigerant burns / asphyxiation
- Pressurised systems
|
High |
- Licensed (ARC) technician to perform connections
- Recover refrigerant and leak test before opening systems
- Ventilate area during work
|
Medium |
Technician |
| Electrical connections |
|
Extreme |
- Isolate and prove dead (LOTO)
- Licensed electrician to perform connections
- Use rated tools and PPE
|
High |
Electrician |
| Testing and commissioning |
- Electrical hazards
- Environmental release
|
High |
- Ensure all connections are secure before testing
- Monitor for refrigerant leaks during operation
- Follow environmental protocols for refrigerant handling
|
Medium |
Technician |
Emergency procedures & first aid
Emergency
In case of an emergency, evacuate the area and contact emergency services. Ensure all workers are accounted for and follow the site emergency plan.
First aid
First aid kit available on site. A trained first aid officer is to be present during the work.
Worker sign-on register
All workers must read, understand and sign this SWMS before commencing work.
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