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(iii) Cut-off sprinklers and fire-rated walls are not required to be provided to separate the sprinkler-protected and non-sprinkler-protected areas. (b) External corridor External corridors shall not exceed 4m in width, and there shall be no commercial activities or storage within these areas.
The Sprinkler Pump System comprises duty, standby and jockey pumps. The 'Duty Pump and the Jockey Pump' to operate on normal electric power supply. The Standby Pump shall operate either on emergency power supply or by a diesel engine/essential power supply.
The provision of cut-off sprinkler at the exit staircases which double up as storey shelters, either at the 1st storey or the basement level of the development.
Jan 1, 2019 · Installing pendent sprinklers in a large-cut hole without the specifically compatible manufacturer’s escutcheon — or with no escutcheon at all — allows rising heat to bypass the sprinkler head, potentially delaying the discharge of water.
UNIQUE Control Pressure Switch (Single Type) Note: Allowable fluid temperature : -10°C to 120°C. Micro switch ensures reliable switching.
–Auto cut-in/cut-off of pumps when hosereel is operating/pressure is re-established –Auto changeover from duty to standby pump 33 . ... Smoke cut-off switch in AHU e. Fire pump (sprinkler/ring main system f. Diesel pump (fire) g. Sprinkler control valves (water proving test) h. Pressurisation staircase (air
3.9 Cut-Off Sprinkler — A sprinkler protecting a door or window between two areas only one of which is protected by the sprinkler. 3.10 Design Density — The minimum density of discharge, in mrnlmin of water, for which a sprinkler installation is designed, determined from the discharge of a specified group of sprinklers, in l/rein, divided by
(1) cut-off sprinkler and pipe for that staircase; (2) UPVC or cast iron rain water downpipes serving the roof directly above the exit staircase, and not routed through anywhere outside the staircase;
There have been recent waiver applications on the provision of cut-off sprinkler at the exit staircases which double up as storey shelters, either at the 1st storey or the basement level of the development.
Sep 8, 2022 · What is a cut-off sprinkler? A fire sprinkler whose heads produce a curtain of water across a door when a fire alarm system is activated; prevents the...
