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BBV Sublot 1B Tunnel Grout Treatment

Reference ocds-b5fd17-6245c670-8384-40ec-b14c-75042530354f · Balfour Beatty VINCI JV HS2

Closed. Submission deadline: 15 September 2025. Estimated value: £2,500,000.

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Amounts and figures

£2,500,000
Estimated value

Description

"Ground Treatment " The SC (Subcontractor) will assess the findings of the probe hole investigation and will develop the grout treatment strategy to be followed with a scope to minimize any excess water ingress during CP excavation and improve the ground stability. Grouting operations will include stage permeation grouting on max 1m steps, with the use of packers. Subcontractor based on ground and ground-water conditions as revealed from ground investigation (probe holes) shall develop the grouting strategy. The strategy will include as a minimum but not exclusively the following: • A grouting pattern of primary and secondary on the periphery of CP profile • Drilling diameter, orientation, and lengths of each grouting hole • Bottom-up grouting stages with the use of packers. The grouting stages should not exceed the length of 1m. • In case required (unstable ground) Subcontractor may need to make use of a tube a manchette TAM (sleeve pipes) system to perform the grouting. In this case the strategy should be developed accordingly. • Mix design(s) of …

Official publications

MediumReferenceDate
FTS bdf5d5a4-c383-4335-9366-6542a9c1fea1-862469 8 September 2025
Contracts Finder bdf5d5a4-c383-4335-9366-6542a9c1fea1-862469 8 September 2025

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Frequently asked questions

What is the deadline to bid for this tender?
The submission deadline is 15 September 2025, 17:00. 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 £2,500,000.
Who is the buyer of this tender?
The contracting authority is Balfour Beatty VINCI JV HS2 (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.