WP1150 - Survey & Design - Tunnel Vent Vans & Fan Drives
Reference ocds-b5fd17-25f831be-e278-45de-ba56-42465ff8de0f · Costain Limited (H7-Heathrow)
Closed. Submission deadline: 9 June 2026. Estimated value: £5,000,000.
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Amounts and figures
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 Speed Drives (VSD) which are close to their designed lifetime are to be replaced, together with the panel. It is proposed that all components for the 5 No. existing Direct On-Line (DOL) starters which are close to their designed lifetime are to be replaced, together with the panel are replaced with VSD's. The VSDs are to be connected to the Tunnel Control System (TCS). The incoming air circuit breakers (ACB's) and the low voltage protection devices (MCCB/MCB's) within the existing switch gear will be replaced with new devices. Where the impact is significant, this may lead to replacing the entire LV switchgear and…
Official publications
| Medium | Reference | Date |
|---|---|---|
| FTS | 30b4b20a-4bc7-4af3-a070-34305c20e5bb-900111 | 2 June 2026 |
| Contracts Finder | 30b4b20a-4bc7-4af3-a070-34305c20e5bb-900111 | 2 June 2026 |
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Frequently asked questions
- What is the deadline to bid for this tender?
- The submission deadline is 9 June 2026, 21:34. Check the official source, as dates can be modified.
- What is the estimated value of this tender?
- The estimated value published by the buyer is £5,000,000.
- Who is the buyer of this tender?
- The contracting authority is Costain Limited (H7-Heathrow) (United Kingdom).
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- Bids are submitted through the official public procurement portal in the United Kingdom. El Vínculo helps you find tenders and analyse their documents; submission always happens at the official source.
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