Fire Detection System Install SWMS

Installing fire detection systems across commercial, industrial and institutional buildings involves running detection cabling through ceiling voids, mounting smoke, heat, beam and aspirating smoke detectors, terminating into fire indicator panels (FIPs), and conducting commissioning tests under AS 1670.1. The work routinely combines elevated platform access above 2 metres, restricted ceiling-void entry that frequently meets the AS 2865 definition of a confined space, and live or de-energised low-voltage electrical termination — placing the activity squarely within section 291 of WHS Regulation 2025 as High Risk Construction Work. A documented Safe Work Method Statement is mandatory before work commences and must be available on site for the duration of the task, signed by every worker, and reviewed when conditions change. This SWMS captures the realistic hazards a fire detection installer faces between rough-in and witness testing, and aligns controls with AS 1670.1, AS/NZS 3000, AS/NZS 1891 and the Managing the Risk of Falls Code of Practice.

Hazards identified

7 hazards covered, sorted by priority.

Control measures

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

1. 1Elimination — Schedule detector mounting and cable termination at ground level on a pre-fabricated bracket where building design permits, removing height exposure entirely.
2. 2Elimination — Run detection cabling on cable trays installed by others before ceiling close-up to eliminate ceiling-void entry after fit-out.
3. 3Substitution — Substitute conventional knee-board ceiling access with scissor lift or boom EWP rated to AS 1418.10 wherever floor loading and access geometry allow.
4. 4Substitution — Use pre-terminated factory loop cabling instead of on-site field terminations to reduce live electrical work and ceiling-space dwell time.
5. 5Engineering — Isolate and lock out the relevant 240V circuit at the distribution board, test dead with a tested-known-tested multimeter, and apply personal danger tag per AS/NZS 4836.
6. 6Engineering — Mechanically ventilate ceiling voids exceeding AS 2865 confined space criteria, monitor O2/LEL/CO continuously, and post a trained standby person with rescue retrieval line.
7. 7Administrative — Hold a documented pre-start briefing using this SWMS, confirm asbestos register review for buildings pre-1990, and issue confined space and working-at-height permits before access.
8. 8Administrative — Notify building occupants and isolate the fire indicator panel to brigade per AS 1851 prior to any commissioning that could trigger occupant warning system activation.
9. 9PPE — Wear a full-body harness with twin shock-absorbing lanyards anchored to a rated point per AS/NZS 1891.1 when working from EWP basket or near unprotected edges.
10. 10PPE — Use P2 respiratory protection per AS/NZS 1716, cut-resistant gloves, safety eyewear, and disposable coveralls during ceiling-void work involving SMF insulation or dust.

Applicable Codes of Practice

High-Risk Construction Work triggered

Worked example

On a five-storey commercial refurbishment, the fire services leading hand opens the pre-start brief at the Level 3 lift lobby with this SWMS printed and the asbestos register confirmed clear for the post-2005 fit-out zone. The crew is installing 42 photoelectric smoke detectors, two beam detectors across the open-plan tenancy, and terminating a new addressable loop into the existing FIP. Workers walk the hazard register: the leading hand flags that the ceiling void on grid line F is below 600 mm clearance and therefore triggers the confined space control — gas monitor, standby person and permit required. Each worker signs on, including the apprentice who is restricted from confined space entry. Two hours in, the EWP operator identifies an unmapped live lighting circuit at grid C7 that was not isolated at the morning lockout. Work stops, the SWMS is reviewed at the basket, the electrician re-isolates and re-tests the circuit, and the change is recorded as a SWMS amendment with all affected workers re-signing. Before commissioning, the supervisor confirms FIP isolation to brigade per the administrative control, notifies the building manager, and runs the witness test. The signed SWMS, permit, and amendment record are filed in the site safety folder and retained for the statutory period as evidence of consultation and active control.

Related legislation

• WHS Act 2011 (model)
• WHS Regulation 2025
• AS 2865 — Confined spaces

Frequently asked questions