Water Supply and Drainage of the Laboratory Construction of the Center for Disease Control and Prevention

Drainage

Water supply and sewage

problem

Items

Suggest

Suggestions

1

The hand-washing tank inside some laboratories is set in the contaminated area of ​​the laboratory, and the specification requires that the hand-washing tank is set at the exit of the laboratory.
Some of hand washing basin are installed in contaminated area of ​​labs.

It is recommended that the sink be set at the entrance of the laboratory.
Set these basins on the entrance of lab.

2

There is no experimental pool in the main experimental area of ​​BSL-2, and the experimental pool needs to be set according to the experimental requirements.
No basin in main lab of BSL2

It is recommended to add an experimental pool, and the BSL2 experimental pool is equipped with an anti-backflow device.
Install a basin with flow-back proof device

3

There is a floor drain in the laboratory. The floor drain cannot be an ordinary floor drain. Special floor drain must be installed near the basin.

It is recommended that the floor drain set by the pool should be a high water seal floor drain whose water seal is not less than 50mm, or a special floor drain for biological laboratory.

Floor drain must be a specialised one for biology lab using with the water-seal index not less than 50mm.

4

There is no angle valve and maintenance valve in the water supply of the experimental pool.

No corner and repair valve for water supply.

It is recommended to install maintenance valves for the experimental pools in ordinary laboratories. Repair valve must be installed near the basin.

5

The flow rate of tap water for equipment cooling shall be 2.5L / min (

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