Some problems existing in the design and commissioning of automatic sprinkling system of Yinqiao Building was summed up, including startup of the main spray pump, pressure control of pipe network, and type selection of hydraulic alarm valve.

The feasibility analysis of the substitute program of wet alarm valve group;

The initial fire water requirement, booster pump control, water supply safety of alarm valve and boosting facilities of high-rise buildings in design of sprinkler system since the issuance and implementation of "Code of Design for Sprinkler Systems"(GB 50084-2001) were discussed.

Discussion on settlement of waterpower alarm valve of automatic spraying fire-controlling system;