30. Standpipe and hose systems:(1) Standpipe and hose systems shall be installed:(a) in a building of combustible construction without sprinklers and with more than 4 stories in building height;
(b) in a building with more than 7 stories in building height.
(2) On each storey, standpipes shall be equipped with hose stations which shall be:(a) within easy reach, and clearly identified;
(b) situated so that any point of the building is within 9 m of the hose nozzle when the hose is fully extended;
(c) installed in a cabin containing a hose with a minimum diameter of 40 mm and a maximum lenght of 30 m; a hose rack; a hose connection with a diameter of 2 1/2 inches in the case of a building with more than 7 stories; a hose valve; and a portable fire extinguisher. The hose shall be connected and ready for use at all times.However, in a building with a light hazard occupancy or an ordinary hazard occupancy as defined in NFPA Standard 13-1974, “Installation of Standpipe and Hose Systems”, a combined system consisting of a vertical riser serving both outlets for fire department use and outlets for the sprinkler system is permitted provided that its installation complies with that standard;
(d) inspected at regular intervals.
(3) A fire department connection measuring 2 1/2 inches shall be provided outside a building where a hose connection is required.
(4) The water discharge rate of a standpipe and hose system shall comply with NFPA Standard 14-1978, “Installation of Standpipe and Hose Systems”. The pressure at the top of the standpipe need not exceed 300 kilopascals, and the total water discharge rate need not exceed 30 litres per second.