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    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· 4 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
      4 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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    Take action
    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

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    Buyer
    Costain Limited (H7-Heathrow)
    Sector
    Engineering