![By-pass du canal d'alimentation d'une STEP](https://www.dsl.fr/app/uploads/2020/10/by-pass-du-canal-dalimentation-dune-step.jpg)
Bypassing the Supply Channel of a WWTP
Installation of a provisional pumping station to by-pass a supply channel of a Wastewater Treatment Plant
Context
Project Type :
Pumping Solutions
Location :
Aiguerelles stormwater tank - Montpellier (34)
![logo-montpellier-mediterranee-metropole](https://www.dsl.fr/app/uploads/2020/10/logo-montpellier-mediterranee-metropole.gif)
![Logo entreprise SPIE](https://www.dsl.fr/app/uploads/2020/10/logo-spie.gif)
Problem
- In the context of the modernisation project of the MAERA wastewater treatment plant, the client needed a provisional pumping station to bypass the main supply channel of the WWTP
Solution
- Bypass of 1440 to 3600 m³/h managed automatically by piezometric sensors
- Design, scaling, preparation, transport, handling, installation in urban environment, commissioning, tests, customer assistance, periodical inspections and removal of equipment.
- Bespoke container with 3 speed regulator cabinets 110-160 kW, 1 speed regulator cabinet 20-55 kW, 2 redundant level cabinets, 1 distribution cabinet, remote monitoring cabinets
- 1 submersible sewage pump of 45 kW and 3 pumps of 110 kW
- 4×50 m of pipes Ø 250 installed in confined environment by a diving company
- HDPE collector Ø 800 over 240 m
- Creation of a bespoke feeder Ø 800
- Pumping monitoring by NETBITER
- Duration: 3 months
![Vue d'ensemble du by-pass](https://www.dsl.fr/app/uploads/2020/10/by-pass-du-canal-dalimentation-dune-step-6.jpg)
![2 techniciens DSL installant le matériel de pompage](https://www.dsl.fr/app/uploads/2020/10/by-pass-du-canal-dalimentation-dune-step-1.jpg)
![Collecteur en PEHD DN 800 sur 240 mètres](https://www.dsl.fr/app/uploads/2020/10/by-pass-du-canal-dalimentation-dune-step-2.jpg)
![Nourrice sur-mesure DN 800](https://www.dsl.fr/app/uploads/2020/10/by-pass-du-canal-dalimentation-dune-step-3.jpg)
![Container sur-mesure avec 1 pompe submersible d'assainissement](https://www.dsl.fr/app/uploads/2020/10/by-pass-du-canal-dalimentation-dune-step-4.jpg)
![Station de pompage vue de dessus](https://www.dsl.fr/app/uploads/2020/10/by-pass-du-canal-dalimentation-dune-step-5.jpg)