What regulations should the design of water collecting basin comply with?

The effective volume of the sump should not be less than the water output of the maximum sewage pump for 5 minutes, and the number of starts of the sewage pump should not exceed 6 times per hour.

In addition to meeting the effective volume, the water collection tank should also meet the requirements of pump setting, water level controller, grille installation and inspection.

The design minimum water level of the water collecting tank shall meet the water absorption requirements of the pump.

If the water collecting tank is located in the indoor basement, the water tank cover should be sealed and equipped with ventilation piping system; When there is an open water collection tank indoors, a forced ventilation device should be set up.

The bottom of the sump should have a slope pump position with a slope of not less than 0.05. The depth and plane size of sump should be determined according to the type of pump.

Self-flushing pipes should be set at the bottom of the water collection tank.

A water level indicator should be set in the water collection tank, and an alarm device exceeding the warning water level should be set when necessary to lead the signal to the property management center.