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OPA T835 Seismic Monitoring Plumley, Cheshire.

The Oil and Pipelines Agency

This public procurement record has 1 release in its history.

Tender

23 Oct 2026 at 13:44

UK4 - Tender Notice
Summary of the contracting process

The Oil and Pipelines Agency is seeking a supplier to design and implement seismic monitoring at its Plumley petroleum storage depot in Knutsford, Cheshire. The work is described as delivering and implementing a seismic monitoring design report, covering geophysical and scientific prospecting services (CPV 71351000). The requirement is for one package of services at the Plumley site, rather than separate lots. Suppliers in seismic monitoring, geophysical surveying and related scientific prospecting should consider whether they can undertake the design and implementation work at this location. The agency is the buying organisation, and delivery is in Cheshire.

The buyer invited offers through an open procedure. Bids were to be submitted electronically in English. The buyer set 16 November 2026 at 12:00 for enquiries and 23 November 2026 at 12:00 for bid submission; the stated award decision date was 17 December 2026. The contract period was set to run from 30 December 2026 to 30 June 2027, with a possible extension to 31 October 2027; renewal is provided for to accommodate surveys at various locations. The estimated value is £300,000 excluding VAT (£3.6 million including VAT). Price, on a firm fixed-price basis, and health, safety, environment and quality (HSEQ) are weighted equally at 50% each. Full indemnity insurance is required. The contract terms use NEC3 Option A.

The opportunity is marked as suitable for small and medium-sized enterprises, so specialist smaller firms may be able to compete for the single package. It is best suited to suppliers able to produce a seismic monitoring design and put that design into operation at a petroleum storage site, with the technical capability to carry out geophysical or related scientific prospecting work. Bidders need to be able to provide full indemnity insurance. HSEQ performance forms half of the evaluation, alongside firm fixed price, making a credible approach to health, safety, environmental management and quality important in a competitive bid. The contract may involve surveys at various locations, so suppliers should be able to accommodate work beyond the initial site through an extension if required. The stated contract terms are NEC3 Option A.

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Notice Information

Notice Title

OPA T835 Seismic Monitoring Plumley, Cheshire.

Notice Description

OPA T835 Deliver and implement a seismic monitoring design report at OPA PSD Plumley, Knutsford in Cheshire. For more information about this opportunity, please visit the eSourcing portal at: https://opa.delta-esourcing.com/tenders/UK-UK-Gosport:-Geological%2C-geophysical-and-other-scientific-prospecting-services./S79V463G28 To respond to this opportunity, please click here: https://opa.delta-esourcing.com/respond/S79V463G28

Lot Information

Lot 1

Renewal: Various locations are to be surveyed hence may require extensions

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-078f08
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/100505-2026
Current Stage
Tender
All Stages
Tender

Procurement Classification

Notice Type
UK4 - Tender Notice
Procurement Type
Standard
Procurement Category
Services
Procurement Method
Open
Procurement Method Details
Open procedure
Tender Suitability
SME
Awardee Scale
Not specified

Common Procurement Vocabulary (CPV)

CPV Divisions

71 - Architectural, construction, engineering and inspection services

CPV Codes

71351000 - Geological, geophysical and other scientific prospecting services

Notice Value(s)

Tender Value
£300,000 £100K-£500K
Lots Value
£300,000 £100K-£500K
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
23 Oct 20263 days ago
Submission Deadline
23 Nov 20264 weeks to go
Future Notice Date
Not specified
Award Date
Not specified
Contract Period
30 Dec 2026 - 30 Jun 2027 6-12 months
Recurrence
Not specified

Notice Status

Tender Status
Active
Lots Status
Active
Awards Status
Not Specified
Contracts Status
Not Specified

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
The Oil and Pipelines Agency
Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
GOSPORT
Postcode
PO12 1AP
Postcode Area
Portsmouth
Country
England
Major Region (ITL 1)
TLJ South East (England)
Basic Region (ITL 2)
TLJ3 Hampshire and Isle of Wight
Small Region (ITL 3)
TLJ35 South Hampshire
Delivery Location
TLD63 Cheshire West and Chester
Local Authority
Gosport
Electoral Ward
Forton
Westminster Constituency
Gosport

Further Information

Notice Documents

Open Contracting Data Standard (OCDS)

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The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts.

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