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Tender Details
- Country: United Kingdom
- Summary: Westleigh Mine Water Pumping Borehole
- GBT Ref No: 101021929
- Deadline: 06 Jun 2024
- Competition: ICB
- Financier: Self Financed
- Purchaser Ownership: Public
- Tender Value: 500000
- Notice Type: Tender
- Document Ref. No.: CA18
- Purchaser's Detail :
- Description :
- Title : Westleigh Mine Water Pumping Borehole
Location Of Contract : North West
Industry : Downhole pumping services - 76532000
Value Of Contract : £500,000
Description : 1. BackgroundThe Coal Authority (CA) requires a mine water pumping borehole to assess rising mine water on the surrounding environment at Westleigh, Wigan. A review of the mine water block has highlighted that mine water levels in the area could be elevated in respect to the rest of the block. There is potential for elevated mine water levels which could pose a risk to the overlying drinking water aquifers and the surface water environment.Therefore, the CA requires construction of a borehole to intersect flooded underground workings and will be used to improve understanding of mine water in the Golborne-Bickershaw-Parsonage mine water sub-block of the Lancashire Coalfield, through water level monitoring, quality sampling and long-term abstraction.2. Key RequirementsThe Contractor will be responsible for specific construction details to achieve the borehole requirements, as specified below. Summary of key requirementsParameter RequirementOperational time: By March 2025.Methodology: Anticipated to require a pilot hole to be drilled by wireline coring methods to assist in maintaining verticality.Borehole depth: Estimated 200 - 250 metres below ground level (m bgl)Final internal diameter: Minimum of 400mm.Borehole deviation: Design life: Minimum of 20 years.Hea... - Documents :
Purchaser : THE COAL AUTHORITY
200 Lichfield Lane MANSFIELD NG184RG England
Contact Person : Adam Beckett
Email :adambeckett@coal.gov.uk
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