Is it necessary to set up a cofferdam around the pump inside the pump house?
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Is it necessary to set up a cofferdam around the pump inside the pump house? Drainage ditches and sump pits are also installed inside the cofferdam, connected to the external pipeline network of the water supply system
Yes, generally, a cofferdam needs to be installed around the pumps inside the pump house. This is because the cofferdam can prevent accidental leaks or spills, protecting pumps and other equipment from water damage. At the same time, drainage ditches and sump pits are usually installed inside the cofferdam; when a pump leaks, water can flow into the sump pits through these ditches and then be discharged into the external piping network, thereby preventing water accumulation inside the pump house. This not only protects the equipment but also ensures the safety of the staff. .
Refer to SH/T3014 4.3 for the layout of the pump area