Lynemouth - Design, Manufacture and Installation of Lagoon Baffles
The Coal Authority · United Kingdom
Key facts
- Contract value
- £47,277
- Awarded
- 21 Nov 2019
- Contract starts
- 02 Dec 2019
- Contract ends
- 31 Mar 2020
- Procedure
- Open procedure (below threshold)
- Buyer type
- Central government
Awarded to
| Supplier | Value |
|---|---|
| John F Hunt Regeneration Ltd | £47,277 |
Description
The Employer requires a pair of bespoke baffles to be designed, manufactured and installed in a lagoon located at Lynemouth Mine Water Treatment Scheme.
The Lynemouth Phase I mine water treatment scheme (MWTS) is located on the Northumberland coast on the site of the former Ellington Colliery.
Coal mine water is abstracted at a rate of circa. 115 L/s from an abandoned mine shaft, treated through two lagoons configured in series before being discharged into the sea.
The lagoons are constructed in colliery spoil and lined with an HDPE liner. The treatment process is designed to reduce total iron in the effluent which presents as ochre sludge in the lagoons; the mine water is currently subject to peroxide dosing. Lagoons are taken off line periodically (24 month intervals) to remove sludge by means of pumping.
The site is in a remote location there being no permanent welfare facilities on the site.
The employer intends to install two baffles in lagoon No 1 in order to optimise: ⢠mean residence time; ⢠longitudinal mixing characteristics; ⢠reaction and settlement of ochre within the lagoon.
Additional information: To submit a tender for this opportunity please sign into our tender portal InBye where the questionnaire and all technical documents are to be found.
Submissions will only be accepted through the portal - please see attached guidance on how to access the documents
There is an opportunity for an escorted site visit on the morning of 21 August at 1000hrs - if you wish to attend please inform us by sending a message through the tender portal once you have signed into the portal
Categories (CPV)
- 43328000 Hydraulic installations
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