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

Scottish Prison Service

This public procurement record has 1 release in its history.

Planning

18 Aug 2026 at 01:00

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

The Scottish Prison Service intends to procure works to replace the existing pressurisation unit and expansion vessel system at HMP & YOI Polmont. The requirement covers the design, supply, installation, testing and commissioning of the replacement system. It will serve the prison’s medium-temperature hot-water heating systems and support the associated domestic hot-water services. The pressurisation and expansion arrangement is essential to maintaining pressure and operational stability across these systems. The work is therefore suited to building-services, mechanical-engineering and commercial heating contractors able to deliver a complete replacement within a live custodial estate. Delivery will take place at HMP & YOI Polmont in Polmont, Scotland. The procurement is classified under CPV 45232141, covering heating works.

This procurement is at the planning stage: the Scottish Prison Service has stated an intention to award a contract, but this stage does not invite tenders. A formal contract notice is expected on 21 August 2026, followed by a Request for Quotation made available through the buyer’s tendering system. The procurement is planned as one lot for the complete replacement works. Responses will be evaluated against the requirements set out in the future quotation request. The planned procurement is covered by the Government Procurement Agreement. Businesses should treat 21 August 2026 as the buyer’s expected date for the next notice, rather than as a bid deadline. The planned contract value and delivery period are not stated here.

This will suit contractors with proven capability in the design and replacement of pressurisation units and expansion vessels serving medium-temperature heating and domestic-hot-water systems. Relevant suppliers are likely to include mechanical-services firms, heating-system specialists and building-services contractors that can manage equipment supply, installation, testing and commissioning as one package. Experience of maintaining system pressure, expansion control and operational resilience will be directly relevant. The work will also favour businesses able to plan and carry out engineering works in a prison environment, coordinate safely with the Scottish Prison Service and demonstrate reliable commissioning and handover. Firms should prepare evidence of comparable heating or plant-room replacement projects, competent technical personnel and the capacity to deliver all stages of the requirement.

How relevant is this notice?

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=AUG562562
Current Stage
Planning
All Stages
Planning

Procurement Classification

Notice Type
PCS Notice - Website Prior Information Notice
Procurement Type
Standard
Procurement Category
Works
Procurement Method
Not Specified
Procurement Method Details
Not specified
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
18 Aug 20261 weeks ago
Submission Deadline
Not specified
Future Notice Date
21 Aug 2026Expired
Award Date
Not specified
Contract Period
Not specified - Not specified
Recurrence
Not specified

Notice Status

Tender Status
Planned
Lots Status
Planned
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.

Open Contracting Data Standard (OCDS)

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