Waterproofing and Firestopping to precast concrete cut and cover tunnels
Key facts
- Contract value
- £16,000,000
- Awarded
- 28 Apr 2021
- Contract starts
- 29 Apr 2021
- Contract ends
- 01 Mar 2024
- Procedure
- Competitive quotation (below threshold)
- Buyer type
- Other public body
Awarded to
| Supplier | Value |
|---|---|
| VolkerLaser Ltd | £16,000,000 |
Description
EKFB is seeking to appoint a subcontractor for the provision of labour, materials & equipment for the supply and application of Waterproofing and Firestopping to three (twin bore) precast concrete cut & cover tunnels, including design of Temporary works and production of fabrication designs.
The Green Tunnels are cut and cover tunnels, whichâ¯consists of excavatingâ¯a trench (i.e. the cut) andâ¯constructingâ¯the tunnel within the cut and backfilling (i.e. cover) it afterwards, to restore the ground surface to its original state.
By integrating the railway into the existing landscape, this tunnelling methodâ¯contributes inâ¯mitigatingâ¯potential impacts thatâ¯itâ¯couldâ¯have particularlyâ¯in rural areas,â¯such asâ¯visual pollutionâ¯and wildlifeâ¯fragmentation.â¯
For this reason,â¯theâ¯Green Tunnelsâ¯have been proposed as a sustainable solution for some sections of the HS2 route.â¯â¯
The construction of the Three no cut and cover green tunnels will go ahead by using precast concrete segments at both Wendover, Greatworth and Chipping Warden and then by covering the pre-cast tunnels with a Compartmentalised membrane waterproofing system and also adding membrane support and fire protection.
Tunnel length is 6km each of which there is 3 No of.
Anticipated Programme
Greatworth - Nov 21 - Feb 24 Chipping Warden - Jul 2021 - Jan 24 Wendover - Jun 22 - Nov 23
Through this expression of interest you will be vetted in accordance with the EKFB prequalification model - for further information visit https://www.competefor.com/EiffageKier/ Following receipt of the questionnaire, we will create a short list by assessing capabilities, experience and availability of each supplier. Upon successful shortlisting you will be invited to tender from the EKFB e-Sourcing platform Market Dojo, EKFB will be using a balanced scorecard approach to its procurement activities - for further information visit the above website.
Kerry Albrighton - Senior Buyer See attached Documents
Additional information: See attached Documents
Categories (CPV)
- 45261420 Waterproofing work
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