(2) be protected against fire in the following way:(a) the building shall be equipped, inside and outside, with portable fire extinguishers complying with section 3.4.4 of this Code;
(b) the construction site shall be equipped with:i. a water supply system not less than 300 litres per minute during at least 30 minutes under a minimum residual pressure of 80 kPa; and
ii. flexible rubber or plastic hoses not more than 15 m in length and not less than 19 mm inside diameter, equipped with nozzles. Moreover, hoses shall be so located that every part of the building can be sprayed with a stream of water and sprayed areas must be within 6 m from the nozzle of the hose supplying the spray.