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BidSonar is an independent index of public-sector opportunities. We aggregate data from official sources and are not affiliated with any procurement body. Data is licensed under the Open Government Licence v3.0 and the EU TED reuse notice.

    ContractsTunnel Ventilation System - Electrical Infrastructure Survey and Design
    Closed contract

    Tunnel Ventilation System - Electrical Infrastructure Survey and Design

    Contract value
    £5m
    Closed 9 Jun 2026

    Seek experienced MEP subcontractor to survey and design replacement of ventilation electrical systems (drives, switchgear, lighting, and power) at airport terminals while maintaining operational rail network requirements.

    🇬🇧United KingdomPublished 2 Jun 2026· 2 months agoviaContracts Finder
    Contract value
    £5m
    Closed 9 Jun 2026
    Tender deadline passed on 9 Jun 2026.

    Decision brief

    4 fields
    • Contract value
      est.£5,000,000
      Pounds sterling
    • Tender closed
      9 Jun 2026
      2 months ago
    • Sector
      Engineering
      Browse related listings
    • Location
      🇬🇧United Kingdom

    Lifecycle

    Closed

    Tender closed on 9 Jun 2026. Awaiting award.

    2 Jun 2026Today9 Jun 2026

    Brief

    Expression of Interest for MEP Subcontractor to survey and design replacement of aging ventilation system components at London airport terminals. The project scope includes: replacement of 8 Variable Speed Drives (VSDs) and 5 Direct On-Line (DOL) starters with new VSDs connected to the Tunnel Control System; replacement of air circuit breakers and low voltage protection devices in switchgear; installation of energy-efficient LED lighting; and provision of 240V socket outlets near damper units with new junction and cable termination boxes. Work is limited to survey and RIBA Stage 4 design only, excluding construction and post-design phases. Key requirement: experience working on electrical infrastructure projects within operational rail network constraints and ability to conduct surveys during non-operational hours at 5 ventilation buildings.

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    View on sourceContracts Finder

    Original closed notice on the publisher's site

    Publisher
    UK Cabinet Office
    Licence
    OGL v3.0
    Source
    contractsfinder.service.gov.uk
    Record ID
    30b4b20a-4bc7-4af3-a070-34305c20e5bb-900111
    CH
    Buyer
    Costain Limited (H7-Heathrow)
    Sector
    Engineering