Flow Control Devices for CSOs
ISBN: 1 84057 186 1
The setting of a CSO structure is a primary design parameter. Ideally the flow control device which is used to restrict the flow to the treatment works should maintain a constant flow to the works irrespective of the depth of flow in the CSO chamber. This report describes a performance evaluation to evaluate the head discharge relationship for a conventional circular penstock, a Type CX Hydro International Hydrobrake flow control, a Steinhardt Vertical Hydroslide and a Biogest Alpheus Flow Limiter. The test programme was carried out at the National CSO Test Facility, Wigan Wastewater Treatment Works.
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