StormSep - Storm overflow by-pass chamber with lateral weir and flow regulator  

"Complies with Avis Technique17/00-113 issued by the CSTB for regulated-flow storm overflow bypass chambers."

Operating principle
The StormSep, regulated-flow, storm overflow bypass chamber DOVR permits the diversion of excess run-off effluent in the event of a storm. In order to optimise the flow admitted to the treatment plant, this unit is fitted with a flow regulator and, if required, with an adjustable weir, and/or a storm overflow screen. The cylindrical design facilitates adaptation of inlet and outlet positions to fit the existing or desired network layout. Entirely prefabricated in steel, this bypass chamber is particularly suited to projects where installation time is at a premium. Analysis of the drainage conditions will enable us to propose the storm overflow best adapted to your particular project.

Features

• Flow regulator fabricated in stainless steel.
• Lifting lugs.
• Round access of diameter 960 mm. 
• Access ladder.
• Fish tails to facilitate the laying to falls of the concrete slab.

Construction

• Vertical cylindrical section with flat base and top.
• S 235 JR grade steel.
• Protective coating: SA 2.5 sand-blasting then epoxy bicompound or thermally polymerised polyurethane (thickness 600 µm), meeting the adhesion, abrasion resistance and chemical resistance requirements of EN858-1. 
• Vessel bracing in compliance with French codes for tanks subjected to pressure due to burial.
• Concrete slab to be laid to falls by the plant installers.

Optional extras

• Stainless steel construction.
• Isolating penstock.
• Discharge screens (powered, non-powered self cleaning or static) 
• Floating debris retention baffle along weir. 
• Rectangular or square access.
• Adjustable-height weir.
• Remote control/monitoring system (flow-rate, frequency & volume of overflows, quality parameters)
• Sealed or interlocking shaft extensions.
• A15, B125, C250, D400 or grid covers.
• Anchoring system.
• Internal and/or external cathodic protection.

info.ewtuk@glv.com