Electrical design of six-story office hotel

First of all, there should be dual power sources, either two independent commercial power sources or diesel power sources (EPS should not be used as a backup for fire pumps and fans).

then

1. Emergency lighting can be provided according to relevant specifications. Attention should be paid to the evacuation lighting for 30min, and the standby lighting in the fire control room, power distribution room, weak current room, fire fan, water pump room and other places where firefighters can continue to work after the fire should last for 180min.

2. Automatic fire alarm system: determine the protection level of fire alarm system according to the nature of the building. The requirements of fire fighting linkage such as smoke exhaust fan and fire pump are also a reference (the water supply and heating specialty is selected according to its specifications); If water is sprayed automatically, a fire alarm probe must be installed. For special parts, such as kitchens, temperature detectors should be installed, and gas detection alarms should be added to local gas-using parts.

3. Broadcasting: The hotel should set up a broadcasting system for both peacetime and wartime. In case of fire, the broadcast will automatically switch to the broadcast system controlled by the fire control room.

4. Fire-fighting telephone: set up a fire-fighting telephone. See Code for Design of Automatic Fire Alarm System (GB50 1 16-98) for the parts that need to be set.

Finally, talk about power distribution: according to the specification, the fire load of the 6-story hotel should be Class II, with dual power supply, and the terminal distribution box adopts ATSE (Dual Power Transfer Switch) for mutual input; The positions and loads of fire pumps and fans are provided by the water supply and drainage specialty for power distribution. The power distribution of water pump and fan motor should be equipped with contactors and thermal relays to facilitate the control and protection of the motor. The selection of contactor and thermal relay can refer to the motor matching table provided by the manufacturer. The fire-fighting load should be supplied by a separate distribution line, and the laying method should not be mixed with other common electricity. Because of the limitation of conditions, it is not appropriate to add a partition in the middle of the metal bridge.

That's all I can think of for the time being Anyway, doing it is in line with national norms, that is, can you find it and remember it.