Insert SA subclause E1D2(5) in clause E1D2 as follows:
(5) In a farm building, in lieu of providing a fire hydrant system in accordance with (2), the building may be provided with—
- a fire hydrant system installed in accordance with AS 2419.1 with the following variations—
- in lieu of 4 hour water supply the minimum on-site water supply quantity must be as set out in Table SA E1D2 for the particular building group; and
- for Group A and B buildings over 1000 m2 in floor area each tank used must have a capacity of not less than 72,000 litres; and
- for single tank systems compliance with clause 4.3.3 is not required; and
- compliance with clause 4.3.1 of AS 2419.1 is not required; and
- for buildings incorporating non-fire-resistant polystyrene sandwich panel construction, the minimum water supply quantities in Table SA E1D2 must be increased by 50%; and
- an on-site pumpset is not required if the design performance of section 2.3 of AS 2419.1 is achieved based on use of a fire truck pump with a capacity of 1,900 litres per minute at 1,000 kPa; and
- in lieu of the coverage specified in AS 2419.1, external fire hydrants are located so that every part of the perimeter of a building is within 100 m from a hydrant outlet measured along the shortest distance of travel between or around buildings; or
- a water supply system comprising single or multiple on-site water storage tanks with connections for use by the fire brigade and complying with the requirements of AS 2419.1 for water supplies and water storage, except that—
- in lieu of 4 hour water supply the minimum on-site water supply quantity must be as set out in Table SA E1D2 for the particular building group;
- for Group A and B buildings over 1000 m2 in floor area each tank used must have a capacity of not less than 72,000 litres;
- for single tank systems compliance with clause 4.3.3 of AS 2419.1 is not required;
- for buildings incorporating non-fire-resistant polystyrene sandwich panel construction, the minimum water supply quantities in Table SA E1D2 must be increased by 50%;
- an on-site pumpset need not be provided;
- for Group A or B buildings water storage tanks must be distributed so every part of the perimeter of a building is not more than 100 m from a tank suction point, measured along the shortest distance of travel between or around buildings;
- for Group C buildings water storage tanks must be distributed so that every part of the perimeter of a building is within a 200 m radius of a tank suction point;
- all pipes, valves and fittings for water storage tanks and connections must comply with section 5 and sections 8.2, 8.3, 8.6 and 8.7 of AS 2419.1 as relevant;
- a hardstand area and vehicular approach from the site entrance, suitable for use by the fire brigade must be provided adjacent to each water storage tank.