| 摘要 |
PROBLEM TO BE SOLVED: To determine quickly and adequately on plural emergency shutoff valves whether valve closing is needed or not upon earthquake occurrence, and make continuous water conduction of daily life water etc. possible as far as possible while securing a necessary emergency water supply amount.SOLUTION: Emergency water supply amounts which are needed by water distribution districts 20 covered by water distribution facilities 100A to 100F and information of emergency shutoff valves 7 which are to be closed preferentially for securing the emergency water supply amounts are stored in a data storage unit 83 of a monitor device 8. A valve-closing-needed-or-not calculation unit 82 of the monitor device 8 calculates valve-closing needed-or-not on each emergency shutoff valve 7 on the basis of the information stored in the data storage unit 83 and a current water storage amount of distribution facilities transmitted from control devices 1 provided at the respective water distribution facilities and transmits the result to the control devices 1. The control devices 1 close the corresponding valves 7 on the basis of valve-closing-needed-or-not data transmitted from the monitor device 8 when earthquake measurement data of an earthquake measurement device 2 exceeds a specified value. |
