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Tenfell
Closed tender
Published 21 Oct 2025

WP3370-Drainage Works - CTA Main Works

Costain Limited (H7-Heathrow)

Key facts

Estimated value
£1,000,000
Closing date
27 Oct 2025
Contract starts
13 Mar 2026
Contract ends
31 Oct 2026
Buyer type
Other public body

Description

Drainage Overview: Repairs to the existing drainage in the immediate area outside the tunnel portals. Mostly patch repairs with Cured In Place liner. Some elements of robotic cutter required. Element of regrading required to side bore surface to address ponding issue Interfaces: None beyond standard tunnel working Constraints: Works in carriageway during bore closure only

Quantities: CIP Liner: 4no. Robotic Cutter to Remove

Categories (CPV)

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About Costain Limited (H7-Heathrow)

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