Awarded contract

Sharnberry Mine Water Treatment Scheme (MwTS) Design & Build - Phase One

Details

Value
£482,029.56
Duration
2 years
Topic
Engineering design services
Published
30 October 2026

Tender description

The opportunity is for the delivery of works comprising the design, construction, commissioning and handover of an operational Pumped - Passive Mine Water Treatment Scheme treating water currently discharging from Sharnberry mine, west of Hamsterley, County Durham. This further competition seeks to appoint a contractor for Phase One services only under NEC4 ECC with Option X22. The Mining Remediation Authority reserves the right, but is under no obligation, to proceed to Phase Two and Three with the successful contractor. Proceeding to Phase Two and Three and awarding Phase Two and Three is subject to satisfactory agreement of target cost, risk and scope and will be represented for approval by the appropriate signatories at that time.

Timeline

  1. Completed: Award date26 October 2026
  2. Completed: Award published30 October 2026
    Current notice
  3. Next: Contract expiry date31 December 2028in 2 years

About the buyer

The Mining Remediation Authority manages the legacy of historical mining across Great Britain as a public body sponsored by the Department for Energy Security and Net Zero. Suppliers are sourced through Crown Commercial Service frameworks and competitive tender on the open market. Single-tender and restricted contracts stay limited and exceptional, with exceptions reported quarterly to DESNZ. Emergency call-out and minor civil engineering works are called off through a dedicated NEC4 framework.

Over the past 5 years, most of the Mining Remediation Authority's contract awards have been in construction work, metals and mining products and architectural and engineering services.

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