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SPS-11006 Window Reinforcement at HMP Low Moss and HMP Shotts

Scottish Prison Service

This public procurement record has 2 releases in its history.

Tender

28 Aug 2026 at 01:00

PCS Notice - Website Contract Notice
Planning

16 Dec 2025 at 00:00

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

The Scottish Prison Service is procuring works to reinforce around 1,200 cell windows at HMP Low Moss and HMP Shotts in Scotland. The work involves replacing the existing rivets securing window beads with eight stainless-steel countersunk rivets, and reinforcing welds on protective window grilles with eight stainless-steel button-head shear bolts. This is a specialist prison-security and window-reinforcement requirement, classified under CPV 45421100 for installation of doors and windows and related components. The buyer is the Scottish Prison Service, which manages the requirement for both prison sites. A contractor will need to carry out the physical reinforcement works across the identified cell windows and grilles, working within operational custodial environments.

The procurement has reached tender: the Scottish Prison Service invited offers through an open procedure, with electronic submission through the Scottish public e-tendering portal. Bids must be submitted by 10:00 on 5 October 2026. The contract is expected to run for 150 days. Bids are scheduled to be opened at 12:00 on 5 October 2026, with evaluation beginning from that time. The tender requires submissions in English and does not allow variants. A fee applies for access to tender documents. The opportunity is arranged as one lot covering the reinforcement works at both HMP Low Moss and HMP Shotts. Economic and technical selection criteria documents are associated with the tender, and the award will follow assessment of submitted offers.

This opportunity suits contractors with practical experience in window, grille or security-reinforcement works, particularly businesses able to install stainless-steel rivets and shear bolts and reinforce welded protective grilles. Relevant teams will need the tools, fabrication and installation skills to work accurately on cell windows and associated security assemblies, while maintaining consistent quality across around 1,200 windows. Experience of delivering construction or maintenance works in prisons, secure facilities or other operational sites would be well aligned with the environment. Suppliers should be able to plan and resource work across two prison locations, coordinate access and sequencing with the Scottish Prison Service, and complete a substantial volume of similar interventions within the required contract period. Technical and economic capability will form part of the selection process.

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Notice Information

Notice Title

SPS-11006 Window Reinforcement at HMP Low Moss and HMP Shotts

Notice Description

The Scottish Prison Service (SPS) requires a contractor to reinforcement of a number of cell windows (Circa 1200) at HMP Low Moss and HMP Shotts. The reinforcements will consist of replacing existing rivets to the window bead with 8 stainless steel countersunk rivets and reinforcing welds to the protective window grilles with 8 stainless steel button head shear bolts.

Lot Information

Lot 1

Following this Prior Information Notice (PIN) SPS anticipate a Contract Notice will be issued in January 2026 which will include a Single Procurement Document (SPD). This will be made available to all interested bidders, along with SPS's supporting guidance document. The evaluation of the SPD will be carried out by SPS which will identify shortlisted bidders who will then be provided with an Invitation to Tender (ITT). The ITT will be made available to bidders via the Public Contract Scotland Tender (PCS-T) portal, an e-Tendering System which can be accessed via the Public Contracts Scotland (PCS) website.. All tender documents are available on PCS-T.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-r6ebe6-0000818492
Publication Source
Public Contracts Scotland
Latest Notice
https://www.publiccontractsscotland.gov.uk/search/show/search_view.aspx?ID=AUG563362
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

45421100 - Installation of doors and windows and related components

Notice Value(s)

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

Notice Dates

Publication Date
28 Aug 20262 months ago
Submission Deadline
5 Oct 2026Expired
Future Notice Date
26 Jan 2026Expired
Award Date
Not specified
Contract Period
Not specified - Not specified
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=DEC545696
    SPS-11006 Window Reinforcement at HMP Low Moss and HMP Shotts - The Scottish Prison Service (SPS) requires a contractor to reinforcement of a number of cell windows (Circa 1200) at HMP Low Moss and HMP Shotts. The reinforcements will consist of replacing existing rivets to the window bead with 8 stainless steel countersunk rivets and reinforcing welds to the protective window grilles with 8 stainless steel button head shear bolts.
  • https://www.publiccontractsscotland.gov.uk/search/show/search_view.aspx?ID=AUG563362
    SPS-11006 Window Reinforcement at HMP Low Moss and HMP Shotts - The Scottish Prison Service (SPS) requires a contractor to reinforcement of a number of cell windows (Circa 1200) at HMP Low Moss and HMP Shotts. The reinforcements will consist of replacing existing rivets to the window bead with 8 stainless steel countersunk rivets and reinforcing welds to the protective window grilles with 8 stainless steel button head shear bolts.

Open Contracting Data Standard (OCDS)

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