SPRINKLER FIRE-EXTINGUISHING SYSTEM, SUPPLY MANAGEMENT SYSTEM AND CONSTRUCTION METHOD OF SPRINKLER FIRE-EXTINGUISHING SYSTEM

摘要

PROBLEM TO BE SOLVED: To reduce a cost by integrating members and arrangement work of a sprinkler fire-extinguishing system.SOLUTION: An indoor water pipe connection type sprinkler fire-extinguishing system includes sprinkler heads installed on a ceiling of a building for sprinkling tap water. A synthetic resin flame-proof pipework is connected to the sprinkler heads on the ceiling from the indoor water pipe via a stop cock. Further, a prescribed number of sprinkler heads are connected in series, and a downmost-stream sprinkler head is connected to a plumbing instrument. Furthermore, the diameter of the flame-proof pipe work is formed same as the diameter of the indoor water pipe.