In order to properly install fire water system in the construction of building water supply and drainage system,this paper discusses the installation technology of pipe installation,e-quipment installation and spray water system in the process of water supply and drainage system installation by combining with specific engineering examples and aiming at the relevant charac-teristics of fire water supply and drainage engineering,and car-ries out debugging operation,so as to ensure the normal operation of fire water system.
water supply and drainage systemfire water sys-tema fire hydrantautomatic spray