2、 Fire water

Spray nozzle arrangement

1. The upright nozzle that is not affected by the beam is too close to the top plate (exceeding 75-150mm).

2. The distance between the upright nozzle affected by the beam and the top plate does not meet the specification requirements.

3. The distance between the nozzle and the side wall does not meet the standard requirements.

Fire hydrant layout

1. Due to changes in building decoration, the protection area of fire hydrants exceeds the regulatory requirements.

2. Due to decoration reasons, the fire hydrant door has been cancelled.

3. Fire hydrants are installed in the front room of the fire elevator.

4. Failure to install self rescue fire hydrant boxes in accordance with regulatory requirements.

5. The distance between the outdoor fire hydrant and the building's exterior wall and roadside does not meet the regulatory requirements.

6. Fire hydrants are installed in the interlayer and equipment layer.

Water pump coupler

1. The water pump coupler is not set according to the system partition.

2. The number of water pump couplings does not meet the specification requirements.

3. The adapter is set in a location that is not easily accessible.

4. The water pump adapter failed the water filling test.

Outdoor water intake

The location of the outdoor water intake is unreasonable. The water intake height should not exceed 6 meters, and the distance from the exterior wall exceeds the standard requirements.

Terminal water testing device

1. The position of the end water testing device is not reasonable, it is set at the lowest point of the system, rather than the most unfavorable point of the system.

2. The end water testing device did not adopt indirect drainage method.

There are areas where the automatic sprinkler fire extinguishing system is not installed

1. Air conditioning and fan room.

2. Indoor garage lane.

3. Toilets with a building area greater than 5 square meters.

4. The bottom of the escalator.

5. Stairs and elevator lobbies.

6. Indoor hollow areas with a net height of 12 meters or less.

7. The net height is greater than 800mm and there are combustible materials in the suspended ceiling.

8. Below air ducts and exhaust pipes with a width greater than 1.2 meters.

9. A type of high-rise fire control room.

10. There is no automatic fire extinguishing system installed in the weak current equipment room.

gas fire extinguishing system

1. The air vents, fire dampers, and fans within the protective zone are not involved in linkage control.

2. The protective zone is not equipped with an automatic pressure relief port (pressure relief device).

3. The maintenance structure of the protective zone cannot reach the fire resistance limit of 0.5 hours and the pressure resistance limit of 1200Pa.

4. There are no breathing valves or ventilation pipes installed in the oil storage room.

5. The power supply of the gas fire extinguishing control panel system cannot meet the requirement of simultaneously starting the gas fire extinguishing device.

6. The control center cannot perform linkage control on the equipment in the gas fire extinguishing area.

7. The gas fire extinguishing protection zone is not equipped with a manual automatic switch.

8. The distribution room is not equipped with gas fire extinguishing.