Prior information notice
This notice is for prior information only
Section I: Contracting
authority
I.1) Name and addresses
The Coal Authority
200 Lichfield Lane
MANSFIELD
NG184RG
UK
Contact person: Adam Beckett
Telephone: +44 7776589350
E-mail: AdamBeckett@coal.gov.uk
NUTS: UKF15
Internet address(es)
Main address: https://www.gov.uk/government/organisations/the-coal-authority
I.3) Communication
Additional information can be obtained from the abovementioned address
I.4) Type of the contracting authority
Body governed by public law
I.5) Main activity
Environment
Section II: Object
II.1) Scope of the procurement
II.1.1) Title
Westleigh Mine Water Pumping Borehole
II.1.2) Main CPV code
76530000
II.1.3) Type of contract
Services
II.1.4) Short description
1. Background
The 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 Requirements
The Contractor will be responsible for specific construction details to achieve the borehole requirements, as specified below.
Summary of key requirements
Operational 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: 2m from surface location of borehole (0.6° from vertical).
* Design life: Minimum of 20 years.
* Headworks: To be completed under a square split lockable manhole cover at surface, minimum of 600mm x 600mm with D400 rating.
II.1.5) Estimated total value
Value excluding VAT:
500 000.00
GBP
II.1.6) Information about lots
This contract is divided into lots:
No
II.2) Description
II.2.2) Additional CPV code(s)
76532000
II.2.3) Place of performance
NUTS code:
UKD
Main site or place of performance:
Westleigh - Wigan - North West - UK
II.2.4) Description of the procurement
Open Tender
II.2.14) Additional information
The Coal Authority (Client) was established by Parliament to undertake specific statutory duties, set out in the Coal Industry Act 1994, associated with licensing coal mining operations; managing property and the historic legacy arising from the ownership of the coal reserves and underground workings; settling subsidence damage claims not falling on coal mine operators and providing access to coal mining information.
Coal Authority tenders are now being undertaken by the Authority's eTender portal InBye, details of how to register are attached to this notice.
Should you wish to participate in any electronic tender exercise you will need to register your company details, which will require the provision of some company information and agreement to terms and conditions to access the system.
Use of the system is free of charge.
In order to register please log on to https://inbye.coal.gov.uk/s2c/
II.3) Estimated date of publication of contract notice:
01/07/2024
Section IV: Procedure
IV.1) Description
IV.1.8) Information about Government Procurement Agreement (GPA)
The procurement is covered by the Government Procurement Agreement:
Yes
Section VI: Complementary information
VI.5) Date of dispatch of this notice
07/05/2024