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SPS-11028 Replacement of Existing Pressurisation System at HMP & YOI Polmont

Scottish Prison Service

This public procurement record has 2 releases in its history.

Tender

01 Sep 2026 at 01:00

PCS Notice - Website Contract Notice
Planning

18 Aug 2026 at 01:00

PCS Notice - Website Prior Information Notice
Summary of the contracting process

The Scottish Prison Service is procuring works to replace the existing pressurisation unit and expansion vessel system serving the medium-temperature hot-water heating systems at HMP & YOI Polmont. The requirement covers design, supply, installation, testing and commissioning of the replacement system. The equipment supports the prison’s heating and domestic hot-water services by maintaining system pressure and operational stability. The work is at HMP & YOI Polmont in Polmont, Scotland. This is a mechanical building-services project for a contractor able to manage the full delivery of a heating-system pressurisation and expansion-vessel replacement, rather than a standalone equipment supply. The Scottish Prison Service is both the buying organisation and the body managing the procurement. The main work category is construction and engineering works, with CPV 45232141 for district-heating pipeline construction.

The process has reached tender: the Scottish Prison Service invited offers through an open procedure, with electronic submission in English. The tender deadline set by the buyer is 18 September 2026 at 12:00 UTC, with bid opening at the same time. Evaluation is to be carried out in accordance with the Request for Quotation. The contract period is 26 October 2026 to 13 November 2026. There is one lot covering the replacement pressurisation-system works, and variants are not allowed. A fee applies for access to the procurement document. The procurement is covered by the Government Procurement Agreement. The award period starts on 18 September 2026. The contract does not include renewal or additional-purchase options, and the stated tender method is an open procedure.

This opportunity suits mechanical-services contractors with the capability to design, supply, install, test and commission pressurisation and expansion-vessel equipment within an operational prison environment. Relevant businesses are likely to have experience of medium-temperature hot-water heating systems and domestic-hot-water infrastructure, including maintaining system pressure and ensuring reliable operation during replacement works. The requirement is appropriate for a contractor able to take responsibility for the complete delivery cycle, from technical design and equipment selection through installation, testing and commissioning. It may also suit firms that combine mechanical engineering, heating-system installation and commissioning expertise, or specialist contractors able to coordinate these disciplines. Suppliers should be comfortable working to a defined Request for Quotation, submitting electronically in English and delivering a focused replacement project within the specified contract period.

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Notice Information

Notice Title

SPS-11028 Replacement of Existing Pressurisation System at HMP & YOI Polmont

Notice Description

The Scottish Prison Service (SPS) requires a contractor for the design, supply, installation, testing and commissioning of a replacement pressurisation unit and expansion vessel system serving the MTHW heating systems at HMP & YOI Polmont. The heating and domestic hot water systems at HMP & YOI Polmont are supported by a central pressurisation unit and expansion vessel arrangement, which is essential for maintaining system pressure and overall operational stability.

Lot Information

Lot 1

The SPS will commence this procurement process in good faith and with the intention of awarding a contract. Following publication of the Contract Notice, a Request For Quotation (RFQ) will be published by SPS and will be made available to bidders on Public Contract Scotland-Tender (PCS-T). Tender responses will then be evaluated by the SPS in accordance with the RFQ.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-r6ebe6-0000840475
Publication Source
Public Contracts Scotland
Latest Notice
https://www.publiccontractsscotland.gov.uk/search/show/search_view.aspx?ID=SEP563570
Current Stage
Tender
All Stages
Planning, Tender

Procurement Classification

Notice Type
PCS Notice - Website Contract Notice
Procurement Type
Standard
Procurement Category
Works
Procurement Method
Open
Procurement Method Details
Open procedure
Tender Suitability
Not specified
Awardee Scale
Not specified

Common Procurement Vocabulary (CPV)

CPV Divisions

45 - Construction work

CPV Codes

45232141 - Heating works

Notice Value(s)

Tender Value
Not specified
Lots Value
Not specified
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
1 Sep 2026Yesterday
Submission Deadline
18 Sep 20263 weeks to go
Future Notice Date
21 Aug 2026Expired
Award Date
Not specified
Contract Period
26 Oct 2026 - 13 Nov 2026 30 days
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
Scottish Prison Service
Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
EDINBURGH
Postcode
EH12 9DJ
Postcode Area
Edinburgh
Country
Scotland
Major Region (ITL 1)
TLM Scotland
Basic Region (ITL 2)
TLM1 East Central Scotland
Small Region (ITL 3)
TLM13 City of Edinburgh
Delivery Location
TLM Scotland
Local Authority
City of Edinburgh
Electoral Ward
Drum Brae/Gyle
Westminster Constituency
Edinburgh West

Further Information

Notice Documents

  • https://www.publiccontractsscotland.gov.uk/search/show/search_view.aspx?ID=AUG562562
    SPS-11028 Replacement of Existing Pressurisation System at HMP & YOI Polmont - The Scottish Prison Service (SPS) requires a contractor for the design, supply, installation, testing and commissioning of a replacement pressurisation unit and expansion vessel system serving the MTHW heating systems at HMP & YOI Polmont. The heating and domestic hot water systems at HMP & YOI Polmont are supported by a central pressurisation unit and expansion vessel arrangement, which is essential for maintaining system pressure and overall operational stability.
  • https://www.publiccontractsscotland.gov.uk/search/show/search_view.aspx?ID=SEP563570
    SPS-11028 Replacement of Existing Pressurisation System at HMP & YOI Polmont - The Scottish Prison Service (SPS) requires a contractor for the design, supply, installation, testing and commissioning of a replacement pressurisation unit and expansion vessel system serving the MTHW heating systems at HMP & YOI Polmont. The heating and domestic hot water systems at HMP & YOI Polmont are supported by a central pressurisation unit and expansion vessel arrangement, which is essential for maintaining system pressure and overall operational stability.

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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