Spray Booth & Bake-Oven Operation SWMS
Safe start-up, operation, shutdown and maintenance of a vehicle spray booth and bake oven, including airflow verification, interlocks, filter changes, isolation and end-of-shift procedures.
SWMS variants reference your state’s WHS legislation. Instant download after payment.
The spray booth is the single engineering control that every other paint-shop control depends on — and when its airflow degrades, nothing else in the workshop compensates. This Safe Work Method Statement covers safe start-up, operation, shutdown and maintenance of a vehicle spray booth and bake oven: pre-shift airflow verification against specification, the spray-to-extraction interlock that prevents spraying without ventilation, oven purge cycles and temperature limits, personnel exclusion during the bake, and the isolation and lockout required before anyone opens a fan, duct or filter housing. It treats filter changes as a genuine exposure task in their own right, because dried overspray and loaded filters carry isocyanate residue that is readily disturbed.
Hazards identified
9 hazards covered, sorted by priority.
Sensitisation of operators and adjacent workers
Fire, burns, entrapment fatality
Air emission
Respiratory exposure during maintenance
Electrocution, entanglement, amputation
Land contamination
Inhalation exposure to residual isocyanate and solvent
Fire; re-suspension of contaminated dust
Land contamination
Control measures
Hierarchy-of-controls order: elimination → substitution → isolation → engineering → administrative → PPE.
- 1Verify airflow against specification before each shift
- 2confirm the spray-to-extraction interlock is functional
- 3periodic air monitoring by a Certified Occupational Hygienist
- 4documented filter-change schedule
- 5Door and oven interlocks tested
- 6purge cycle before heating
- 7temperature limits set
- 8no personnel inside during the bake
- 9emergency stop accessible and tested
- 10Compliant exhaust stack
- 11filter management and licensed disposal
- 12Respirator and nitrile gloves worn
- 13wet or bag filters before removal to suppress dust
- 14isolate and allow purge before entry
- 15Energy isolation and lockout/tagout before any access to fans or ducting
- 16verify zero energy
- 17Licensed dangerous-goods disposal of filters and residue
- 18Run the full clearance cycle before entry without RPE
- 19confirm extraction has stopped only after clearance
- 20log the shutdown
- 21Never dry-sweep — vacuum with an appropriate unit
- 22remove all solvent-soaked rags to a sealed metal bin at end of shift
- 23eliminate ignition sources before shutdown
- 24Collect overspray solids and used rags into segregated dangerous-goods waste for licensed disposal
Applicable Codes of Practice
Primary approved code for this work — booth and mixing-room design, ventilation, RPE selection, isocyanate handling and health-monitoring triggers.
Hazardous chemicals register, SDS, labelling, storage segregation and the risk-management process for paints, hardeners and solvents.
Definitive national guidance on isocyanate sensitisation, air-supplied RPE, exposure standards and respiratory health surveillance.
Applies to compressor, spray gun, air-tool and panel-work noise where the 85 dB(A) LAeq,8h exposure standard may be exceeded.
Ventilation, lighting, eyewash and emergency shower provision, and amenities for workers handling hazardous chemicals.
The hierarchy of control this SWMS is structured around — elimination and substitution before engineering, administration and PPE.
Design, airflow, classification and maintenance requirements for the booth and mixing room this SWMS relies on as its primary engineering control.
Fit-testing, facial-seal and maintenance requirements — the basis for the air-supplied respirator program.
Performance standard the air-fed hood and A2P2 respirators must be certified to.
Dangerous-goods store design, quantities, bunding and separation for paints, thinners and solvents.
High-Risk Construction Work triggered
The booth interior is a classified hazardous area carrying atomised paint and solvent vapour.
Bake ovens operate at elevated temperatures with entry and entrapment risk during and immediately after the cycle.
Where this work is carried out in connection with construction work, Work Health and Safety Regulation 2025 (NSW) s. 291 requires a SWMS to be prepared BEFORE work starts, the work to be carried out in accordance with it, and the SWMS to be available for inspection and reviewed whenever controls change. Failure to do so is an offence carrying penalties for both the PCBU and its officers.
Who this is for
- →Booth operators and paint-shop supervisors
- →Maintenance technicians servicing booths and ovens
- →Workshop owners responsible for plant compliance
- →WHS managers verifying engineering controls
- →Refinishing and powder-coating facilities
What you receive
- ✓Fully editable Microsoft Word (DOCX) SWMS — populate company, ABN, site and worker fields directly
- ✓Task-by-task risk assessment across occupational health, safety and environment, with severity × likelihood scoring before and after controls
- ✓Controls written to the hierarchy of control — elimination and substitution first, PPE last
- ✓High risk construction work classification with the specific s. 291 category and why it is triggered
- ✓Isocyanate health-monitoring and air-monitoring requirements stated as legal duties, not optional extras
- ✓PPE schedule referencing AS/NZS 1715 and 1716, including air-supplied respirator requirements
- ✓Training and competency register covering fit-testing, SDS interpretation and isocyanate awareness
- ✓Emergency procedures for chemical splash, inhalation, sensitisation episode, solvent fire and spill
- ✓Worker sign-on register and review/sign-off block ready for immediate site use
Worked example
A booth passed its annual service but airflow had quietly dropped below specification as filters loaded between changes. Because the shop had no pre-shift airflow check, the fault ran for weeks while sprayers worked in the belief that the booth was protecting them. Introducing a documented pre-start airflow verification, and tying the filter-change schedule to hours sprayed rather than the calendar, restored the control and gave the business a defensible record that its primary engineering control was working on any given day.
Related legislation
- Work Health and Safety Act 2011 (NSW) — primary duty of care, s.19
- Work Health and Safety Regulation 2025 (NSW) — Chapter 3 Risk Management
- Work Health and Safety Regulation 2025 (NSW) — Part 7.1 Hazardous Chemicals (register, SDS, labelling, storage)
- Work Health and Safety Regulation 2025 (NSW) — Part 7.1 health monitoring provisions; Schedule 14 lists isocyanates
- Work Health and Safety Regulation 2025 (NSW) — s. 291 High Risk Construction Work and the SWMS duty
- Protection of the Environment Operations Act 1997 (NSW) — air emission and waste disposal duties
Frequently asked questions
How often should booth filters be changed?
By hours sprayed and measured airflow, not by the calendar. A high-throughput shop can load filters in a fraction of the time a quiet one does. The practical test is the pre-shift airflow check: when airflow trends toward the lower specification limit, the filters are due regardless of the date.
Is this SWMS specific to NSW?
Yes. It cites the Work Health and Safety Act 2011 (NSW), the Work Health and Safety Regulation 2025 (NSW) and SafeWork NSW guidance. The same document is available for every other state and territory — the legislative references are swapped for that jurisdiction.
Do I legally need a SWMS for spray painting in a workshop?
A SWMS is legally mandatory under s. 291 only for high risk construction work. Fixed-workshop spraying is generally not construction work — but you still have a duty under the WHS Regulation to document how you control a hazardous-chemical risk of this severity, and the Spray Painting and Powder Coating Code of Practice is the benchmark you will be measured against. The moment you spray on a construction site, or in a contaminated or flammable atmosphere, the SWMS becomes mandatory.
Is isocyanate health monitoring really compulsory?
Yes, where there is ongoing use of isocyanates and a significant risk of exposure. Isocyanates are listed in Schedule 14 of the WHS Regulation, which triggers the health-monitoring duty — baseline and periodic respiratory function testing and medical assessment by a registered medical practitioner. It is one of the most commonly missed obligations in Australian panel shops.
Will a cartridge respirator do instead of an air-fed hood?
Not for continuous two-pack spraying. Negative-pressure cartridge respirators are not accepted as adequate protection against isocyanate spray mist — the accepted control is an air-supplied (air-fed) respirator. Air monitoring is how you demonstrate that the RPE you have selected is actually adequate for your process.
How do I know if my booth ventilation is good enough?
Airflow should be verified against the booth specification before each shift, the LEV inspected and tested on a documented schedule under AS/NZS 4114, and the whole control set validated with personal air monitoring. A booth that passed its annual service can still fall below specification as filters load between changes.
Can I edit the document?
Yes — it is a fully editable DOCX written as a site-specific template. You complete the company, ABN, site, plant and worker sign-on fields, and adjust the tasks to match your actual process before use.
Who wrote it?
It is authored by an occupational hygiene team led by a Certified Occupational Hygienist (CIH), which is why the exposure, ventilation and monitoring content goes considerably further than a generic template.