Alternative supply of water

The alternative source of water supply should be one of the following, subject to consultation with the local fire and rescue service.
a. A charged static water tank with a minimum capacity of 45,000 litres.
b. A spring, river, canal or pond that is capable of fulfilling both of the following conditions.
i. Providing or storing a minimum of 45,000 litres of water at all times.
ii. Providing access, space and a hardstanding for a pumping appliance.
c. Any other water supply that the local fire and rescue service considers appropriate.