Where an emergency or disaster involving destruction of or danger to life or property occurs or is imminent or there is reasonable ground for apprehending such an emergency or disaster, and a principal council are of opinion that it is likely to affect the whole or part of their area or all or some of its inhabitants, the council may—
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Nothing in this section authorises a local authority to execute—
but subject to those limitations, the powers conferred by subsections subsection (1) above are in addition to, and not in derogation of, any power conferred on a local authority by or under any other enactment, including any enactment contained in this Act.
In this section "principal council" includes the Common Council and, until 1st April 1974, the council of an existing county, county borough or county district.
With the consent of the Secretary of State, a metropolitan county fire and civil defence authority and the London Fire Commissioner may incur expenditure in co-ordinating planning by principal councils in connection with their functions under subsection (1) above.
In this section "contingency planning" means the making, keeping under review and revising of plans and the carrying out of training associated with the plans.