Daily operation specification for fire smoke exhaust remote control box
Two is the Ming distribution line installation does not meet the requirements. Some smoke exhaust fan distribution lines wear PVC plastic pipes, and some wear metal tubes, not painted fire retardant coating, does not meet the fire requirements of the tube.
Walk more than 20 meters without natural ventilation, some designers for smoke proof staircase connected with natural ventilation room, it has natural ventilation conditions, not according to the specifications set mechanical exhaust facilities.
The location of mechanical smoke control facilities should be set up and not set up according to the specificationsHigh-rise building smoke proof staircase and antechamber with podium, fire elevator or common antechamber, when using the part above the podium openable window for natural ventilation, the skirt part does not have the natural ventilation conditions, the or common antechamber not according to the specifications set pressurization system.
First, the fan power supply and distribution can not reach the high level of civil construction load requirements. Some of the supply line is not connected with the fire power, but connected to the floor lighting distribution box, some design uses a single loop distribution line, some of the design did not set the end of automatic power switching device, are not up to the requirements of the special double loop one or two level of power supply load, set the end of an automatic switching device.
