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P23 Tunnel Fire Main System Design - Costain HRS02 Tunnel and Lineside M&E

Reference ocds-b5fd17-2cdbd701-7034-4026-acb8-a3a5551ab792 · Costain Group PLC

Closed. Submission deadline: 5 November 2025. Estimated value: £500,000.

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Amounts and figures

£500,000
Estimated value

Description

Costain have been appointed to deliver contract HRS02, the Tunnel and Lineside Mechanical and Electrical services for HS2 ltd. A high-speed railway project that connects London to Birmingham with plans to extend in the future. The HS2 project has 14no dual bore tunnels each of which has a fire main through the length of each bore - totalling approximately 111km of fire main. The tunnel fire mains are connected to falling mains from the various shaft buildings (13no) at intermediate points within the tunnels, and to portal areas at the start/end of each tunnel. Package P23 Tunnel System Fire Main Design scope is for the full design of the tunnel fire main system, including validation and co-ordination of the design already completed by other (Main works civils contractors) who are fitting out the fire main in the shaft and portal areas. Costain require a specialist designer to take the client's performance brief for this system and produce the design to enable construction, testing, commissioning, assurance and handover. Costain and HS2 are looking for innovative and smart solutions that provide benefits in the following key areas. …

Official publications

MediumReferenceDate
FTS 6ea095b0-f5bd-44b7-9723-471b6e26cea4-868799 20 October 2025
Contracts Finder 6ea095b0-f5bd-44b7-9723-471b6e26cea4-868799 20 October 2025

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Frequently asked questions

What is the deadline to bid for this tender?
The submission deadline is 5 November 2025, 12:00. 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 £500,000.
Who is the buyer of this tender?
The contracting authority is Costain Group PLC (United Kingdom).
How can I bid for public tenders in the United Kingdom?
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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Data collected from official public procurement sources. Amounts as published by the buyer.