Rain water storage device for collective sewer system, has container including intake orifice at its upper part, manual drawing orifice provided at lower part of container, and complete emptying orifice including standard closing system

摘要

The device has a container including an intake orifice (1) at its upper part with a predetermined peak flow, and a downspout connected to the orifice. An evacuation orifice (2) is arranged at a lower part of a median zone and includes a flow regulation system proposing an adjustable range of its peak flow. A manual drawing orifice (3) is provided at a lower part of the container. A complete emptying orifice (4) is provided at the lower part of the container and includes a standard closing system.