How to check and accept the renovated property and check the drainage system?

Drainage system inspection Water supply engineering inspection should pay attention to check its quality and water supply. Pay attention to check the quality and installation position of faucets, valves, water meters, etc. During acceptance, check whether the water supply is normal.

Quality inspection: firstly, check the existing installed valves, faucets and water inlet pipes to see if the installation position is reasonable. In general, water pipes should not be installed near power supply and gas pipelines. Secondly, shake the faucet and water pipe by hand to check whether the installation is firm and loose. Then check the flexibility of the valve and faucet switch. Finally, check the appearance for damage and rust. If this happens, it must be replaced immediately.

Water passing inspection: open the valve and faucet for a period of time and conduct water passing test. First, check whether the tap water is unobstructed, blocked or abnormal. Then turn off the faucet and check whether there is dripping and water leakage at the faucet and valve position. If conditions permit, the pressure can be measured on the water pipe. After water supply, you can also check the water meter to see if the installation conforms to the specifications and whether it is installed backwards. Is there idling phenomenon after turning off the tap?

Then you need to check the drain pipe of the basin. When draining water, touch the pipe body with your hand, and check the tightness of the drain pipe joint and the pipe body to see if there is any leakage. If the drainage is blocked, the drainage project must be rebuilt. If the water pipe leaks, it should be replaced immediately.