Case Study
Darwen WwTW & Clarence Street UID`s, Lancashire
This project was carried out by Donegan Civil Engineering direct for United Utilities.
Details
Client: United Utilities
Services Provided
Scope of Works for Darwen WwTW
- The construction of a 15.00m diameter shaft, sank by caisson, approx 15m deep which will act as a detention tank / pumping station with over 1,000m3 capacity for foul water.
- The detention tank was then fitted out with 2 storm pumps and a scavenger pump that would feed into a set of twin 200mm diameter rising mains approx 200m in length.
- Also a 12.50m diameter shaft was underpinned, to a depth of approx 10m, around an existing 4.00m diameter tunnel to act as an CSO chamber within which a powered screen was installed.
- There was also approx 500m of opencut gravity sewers ranging from 450mm to 750mm diameter upto a depth of 4m, along with a number of manholes, insitu RC chambers and finally an outfall structure that was built within the embankment of the river.
Other Projects
Mancunian Way, Manchester
Balfour Beatty / United Utilities
Segmental Shaft Sinking
Dewar Place Cable Tunnel
Edinburgh
Segmental Shaft Sinking
New Victoria, Manchester
For Vinci
General Civil Engineering
Contact Us
Contact us for more information about this project or for estimation on your projects