The gas fire extinguishing system protection zone should be defined by water supply and drainage engineer and please refer to the water supply and drainage related drawings for details.Requirements for linkage control of gaseous fire extinguishing system are detailed in the gaseousfire extinguishing system diagram.b. Except that the transformer room is not used as a fire detection protection zone, other functional houses in the pump station are used as fire detection protection zones.c. Detection and alarm plans shall be prepared by fire engineering construction unit according to the progress of the project