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Control measure
Operate or alter fixed installations

Control measure knowledge

Incident ground operations should include steps to ensure that no adjustments are made to fixed installations during the incident without authority of the fire and rescue service. It is essential to assess the situation before altering the state of the fixed installation; if the situation is under control or is improving, the status of the fixed installation should be balanced against the risk of causing preventable damage.
Fixed installations should only be altered or switched off under direct instruction from the incident commander. They should first be satisfied that this will not increase the severity of the fire, compromise the safety of building occupants or worsen conditions for firefighters. See National Operational Guidance: Foundation for Incident Command for more information on risk assessment and recording decisions.
Local familiarisation to confirm the location of fixed installations, supplies and control systems is recommended.

Strategic actions

Fire and rescue services should:
  • Ensure information about the location and type of control systems for fixed installations in buildings is recorded in Site-Specific Risk Information (SSRI) and communicated to relevant personnel

  • Develop tactical guidance and support arrangements for the associated hazards and actions to take, enabling Incident Commanders to give authority to operate or alter fixed installations within buildings

Tactical actions

Incident commanders should:
  • Consider requesting specialist advice before attempting to alter or disable any fixed installation
  • Ensure all operational activities and personnel are considered before changing the operation of any fixed installation

  • Consider the impact that failure or change in operations of fixed installations might have on fire spread
  • Ensure all personnel are informed of any intended tactics regarding the fixed installation systems

  • Maintain the integrity of a reduced oxygen or carbon dioxide environment where these are successfully controlling fire development