WebThis Part of this British Standard specifies the requirements for 2-way and 4-way inlet breechings intended for dry risers only. They are to be fitted with male instantaneous … WebA dry riser and dry falling main require water supplies from the attending fire and rescue service. Inlets to dry or wet rising mains should be visible from the parking position of fire and rescue service vehicle access routes. Dry riser - photograph courtesy of the Building Research Establishment
High Rise Fire-fighting : Wet Risers
Webdry rising main and hose reel systems on building premises. NOTE − The titles of the publications referred to in this standard are listed at the end of the standard. 1.2 Rules and regulations The provision and installation of fire hydrant, rising main and hose reel systems shall be in accordance with the following rules and regulations: WebRISING MAIN AND HOSE REEL SYSTEMS Type of Rising Main (a) The type of rising main system shall be provided appropriate to the building as follows: (i) dry rising main shall be installed in buildings under Purpose Groups II, III, IV, V, VI, VII and VIII where the habitable height is more than 10m, but does not exceed 60m, (ii)wet rising main ... fitw tax
INFORMATION FILE - bafsa
WebUnder UK regulations, dry risers are a requirement for buildings over 18m tall, but less than 60m. This translates to about 6 stories and above, but … WebAll tests are carried out using pressurised water. It is considered dangerous to test a dry rising main using compressed air. All personnel involved in testing should maintain effective contact (e.g. by radio) with the pump operator at all times so that the pump can be shut down in the event of a failure. Web57 1 Pressure strength of rising main hoses, pipework and fittings 27 . 5.7.2 Pressure relief of rising mains 27 5 73 Riser staging stop valves 27 . 5 7.4 Monitoriog of riser SlOp valves 28 . 5.75 Fire brigade access to riser valve monilOring 28 . 57.6 Pressure at wet riser outlets 28 577 Water priming of dry-risers 28 fitw taxes definition