The entrances of power distribution room, generator room, fire water tank room, water pump room, fire control room and other places shall be provided with identification signs and warning signs of "No entry unless working".
The power distribution cabinet (distribution box) of fire control facilities should be marked differently from other facilities; The power distribution cabinet (distribution box) of standby fire power supply should have a different logo from the main fire power supply; The distribution cabinets (distribution boxes) of different fire control facilities should be clearly marked.
Fire pools, water intakes, wells, valves, pump adapters, outdoor fire hydrants and other places where fire engines take water shall be provided with permanent and fixed identification signs and warning signs of "No burying or occupying fire control facilities".
The pipelines, control valves and control cabinets of fire-fighting pools, water tanks, pressure-stabilizing pumps, booster pumps, pneumatic water tanks, fire-fighting pumps and water pump adapters shall have prompt signs and distinguishing signs.
The water supply pipeline of indoor fire hydrant should be provided with identification signs that are different from other systems, and the flow direction should be indicated.
Set points of fire extinguishers and manual alarm buttons shall provide timely category identification.
The fan, fan control cabinet, air supply outlet and smoke exhaust window of the smoke control and extraction system should have identification signs indicating the system name and number and warning signs of "fire control facilities are unobstructed".
Normally closed fire doors shall be provided with warning signs of "normally closed fire doors, please keep them closed"; A warning sign "No articles under the fire shutter" should be set on the ground at the bottom of the fire shutter. ?
Dangerous places and dangerous parts identification distribution box?
Warning signs should be set up in dangerous places, indoor and outdoor walls, ground and dangerous facilities in dangerous parts, indicating safety warnings and prohibition regulations.
Safety management systems should be set up at appropriate positions such as outdoor and indoor walls in dangerous places and dangerous parts, indicating safety management systems, operating procedures, precautions and emergency handling procedures for dangerous accidents.
The warehouse should be marked with lines, indicating the warehouse wall distance, stacking distance, main passages, fixed position of goods, etc. Store inflammable and explosive dangerous goods? The goods warehouse shall set up signs to indicate the category, name, reserves, precautions and fire extinguishing methods of the stored goods.
In the key facilities that are easy to cause fire accidents due to operational errors, luminous signs should be set up to indicate the operation mode, matters needing attention, emergency handling procedures for dangerous accidents, etc. ?
Safety evacuation sign
Evacuation signs shall be set in accordance with relevant national fire control technical standards and specifications, and the evacuation direction shall be indicated by light evacuation signs and exit signs that meet the requirements of the specifications.
Shopping malls, markets and public places of entertainment should add self-luminous or light-storing evacuation signs that can maintain visual continuity on the ground of evacuation corridors and main evacuation passages.
Warning signs such as "No Locking" and "No Blocking" shall be set at the unit safety exit, evacuation stairs, evacuation walkways and fire lanes.
On the external wall of the fire elevator, the identification signs of the purpose and matters needing attention of the fire elevator should be set.
In the rooms of public gathering places, hotels, restaurants and other accommodation places, evacuation signs should be set up, indicating the evacuation routes of floors, safety exits, indoor fire control facilities and other contents. ?
Safety technical requirements for distribution box
Generally, the box material of distribution box and switch box should be steel plate or insulating plate, and wood material is not suitable.
The electrical box and switch box shall be installed correctly and firmly, and shall not be inverted or skewed. The vertical distance between the bottom of fixed distribution box and switch box and the ground shall be greater than or equal to 1.3m and less than or equal to1.5m; ; The vertical distance between the bottom of mobile distribution box and switch box and the ground shall be greater than or equal to 0.6m and less than or equal to1.5m.
It is forbidden to connect the power cord to the high and low voltage distribution cabinet with bolts.
The distance between electrical boxes should not be too far. The distance between distribution box and switch box shall not exceed 30m. The horizontal distance between the switch box and the fixed electrical equipment should not exceed 3m.
Each electrical equipment should have its own dedicated switch box. Every electrical equipment in the construction site should have its own special switch box, which must meet the requirements of "one machine, one brake and one leakage". It is forbidden to use the same switch to directly control two or more electrical equipment (including sockets). A leakage protector must be installed in the switch box, with its rated leakage action current not greater than 30mA and leakage action time not greater than 0.1s.
In order to ensure safety, all distribution box doors should be locked, and other temporary electrical equipment should not be hooked or plugged in the distribution box and switch box, and sundries are strictly prohibited in the switch box.