Published date: 8 September 2025

Open opportunity - This means that the contract is currently active, and the buying department is looking for potential suppliers to fulfil the contract.


Closing: 15 September 2025, 5pm

Contract summary

Industry

  • Grout - 44831400

  • Grouting work - 45262340

Location of contract

North East, West Midlands, London, Yorkshire and the Humber, East Midlands, East of England, North West, South West

Value of contract

£1,000,000 to £2,500,000

Procurement reference

C4N99370407

Published date

8 September 2025

Closing date

15 September 2025

Closing time

5pm

Contract start date

20 November 2026

Contract end date

22 January 2027

Contract type

Service contract

Contract is suitable for SMEs?

Yes

Contract is suitable for VCSEs?

No

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 the grout injection
• Max Pressure and max Volume criteria for stopping each grouting stage
• Tertiary drilling holes in case primary and secondary do not reach the target criteria.
• As built records grouting locations lengths stages grout consumptions and max pressure. "

More information

Links

Additional text

Suppliers should be aware of the scale of this project and should assess their internal capabilities to be able to carry out the intended scope of work, prior to completing this expression of interest (EOI).

How to apply

Follow the instructions given in the description or the more information section.

About the buyer

Contact name

jessica clive

Address

BBV HS2 Offices, 11 Brindley place
Birmingham
B1 2LP
UK

Telephone

07593893692

Email

jessica.clive@balfourbeattyvinci.com