Tender

WP6102 - Water Treatment for Cooling Towers - intrusive survey & design (All Terminals)

COSTAIN LIMITED (H7-HEATHROW)

This public procurement record has 1 release in its history.

Tender

16 Oct 2025 at 08:00

Tender Notice
Summary of the contracting process

Costain Limited (H7-Heathrow) is inviting tenders for the project titled "WP6102 - Water Treatment for Cooling Towers - intrusive survey & design (All Terminals)" under CPV classification 45252126, focusing on drinking-water treatment plant construction work. This procurement process is active, with a tender period ending on 22nd October 2025. The contract is scheduled to commence on 8th January 2026 and conclude on 31st October 2026. Located in London, United Kingdom, this project is ideal for service-based businesses. The procurement method includes conducting intrusive surveys and designing digital flow meters for the Honeywell Building Management System.

This tender presents growth opportunities for businesses specialising in project and design preparation, engineering design services, and water treatment solutions. Small and Medium Enterprises (SMEs) and Voluntary, Community and Social Enterprises (VCSEs) are encouraged to participate, with a procurement value ranging from £500,000 to £1,000,000. Companies in the engineering and construction sectors, particularly those offering water treatment and management solutions, would be well-positioned to compete for this tender.

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Notice Information

Notice Title

WP6102 - Water Treatment for Cooling Towers - intrusive survey & design (All Terminals)

Notice Description

This scope covers intrusive surveys to determine the required replacement of faulty and end-of-life water treatment and pre-treatment assets for the condenser water circuits which serve the cooling towers. The scope also covers the survey and design for digital flow meters to be connected to the Honeywell Building Management System (BMS).

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-b5fd17-fe8f127d-5155-418b-bda7-31dde8ee9e8e
Publication Source
Contracts Finder
Latest Notice
https://www.contractsfinder.service.gov.uk/Notice/4cd59b03-4f81-4891-b092-1299840ebdbb
Current Stage
Tender
All Stages
Tender

Procurement Classification

Notice Type
Tender Notice
Procurement Type
Standard
Procurement Category
Services
Procurement Method
Not Specified
Procurement Method Details
Tender Suitability
SME, VCSE
Awardee Scale
Not specified

Common Procurement Vocabulary (CPV)

CPV Divisions

22 - Printed matter and related products

34 - Transport equipment and auxiliary products to transportation

45 - Construction work

71 - Architectural, construction, engineering and inspection services

90 - Sewage, refuse, cleaning and environmental services

CPV Codes

22314000 - Designs

34632100 - Mechanical signalling

45252126 - Drinking-water treatment plant construction work

45252127 - Wastewater treatment plant construction work

71242000 - Project and design preparation, estimation of costs

71320000 - Engineering design services

90733400 - Surface water treatment services

Notice Value(s)

Tender Value
£1,000,000 £1M-£10M
Lots Value
Not specified
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
16 Oct 20254 months ago
Submission Deadline
22 Oct 2025Expired
Future Notice Date
Not specified
Award Date
Not specified
Contract Period
8 Jan 2026 - 31 Oct 2026 6-12 months
Recurrence
Not specified

Notice Status

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

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
COSTAIN LIMITED (H7-HEATHROW)
Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
MAIDENHEAD
Postcode
SL6 4UB
Post Town
Slough
Country
England
Major Region (ITL 1)
TLJ South East (England)
Basic Region (ITL 2)
TLJ1 Berkshire, Buckinghamshire and Oxfordshire
Small Region (ITL 3)
TLJ15 Berkshire East
Delivery Location
TLI London
Local Authority
Windsor and Maidenhead
Electoral Ward
Oldfield
Westminster Constituency
Maidenhead

Further Information

Notice Documents

Open Contracting Data Standard (OCDS)

View full OCDS Record for this contracting process

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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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