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C4N113536412

Survey & Design - Tunnel Ventilation System Replacement

Costain Limited (H7-Heathrow) · United Kingdom

This tender closed on Tuesday, June 9, 2026. Browse open opportunities
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Time Left to Bid

Closed

ClosedConstruction & InfrastructureFederal

Basic information

Reference number
C4N113536412
Government level
Federal
Solicitation type
Construction & Infrastructure
Title
Survey & Design - Tunnel Ventilation System Replacement
Source ID
30b4b20a-4bc7-4af3-a070-34305c20e5bb-900111

Details

Location
United Kingdom

Summary

Major electrical infrastructure upgrade for Heathrow Airport's tunnel ventilation systems. Replacing end-of-life components including variable speed drives, starters, switchgear, lighting, and power systems across multiple terminal areas. Requires detailed survey and RIBA 4 design.

Description

Expression of Interest Tunnel Vent, Fans and Fan Drives MEP Subcontractor Tunnel Vent, Fans and Fan Drives (Survey and RIBA 4) Scope The objective of this scope is to replace components that form part of the ventilation system at Central Terminal Area (CTA) North and South, Terminal 4 North and South and Sipson Farm, that are at their end of life. The components of concern are Fan Drives and Low Voltage Air Circuit Breakers. It is proposed that all components for the 8 No. existing Variable S...

Dates

Publication
2026/06/02 09:20:09 AM UTC
Closing date
2026/06/09 08:34:00 PM UTC

Estimated value

$5.0M – $2.5M GBP

How to bid

Classification

Normalized category

Construction & Infrastructure

Source: Contracts Finder (UK)

Last updated 2026-09-09, 8:53:53 p.m.

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