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Update on night works at West Ruislip

Work item: HS2-EWSCS-Ph1-Ar-So-S2-OTH-3-23/09/2021_04

Work Item Summary

Project Phase
Phase 1
Region
Hillingdon
Location
Ickenham
Worksite Name
West Ruislip
Contractor
SCS JV
Type of works
Cement pours, Excavation works
Estimated Start Date
21/02/2022
Estimated End Date
31/03/2022

What we are doing

What we are doing
We wrote to you recently to let you know that we would be carrying out excavation works overnight and continuous concrete pours at our West Ruislip site over the weekend from 8 November 2021 to 13 February 2022. However, these works have now been rescheduled and will start on 21 February 2022 to prepare the base of the railway tunnels in the area shown on the map overleaf.

We will be excavating to prepare the area for the launch of the Tunnel Boring Machines (TBMs) and the creation of the portal area.

The earth excavated from this area will be stored temporarily at the golf course driving range. The stockpiled earth will then be used to landscape the area around the tunnels and the tunnel entrances once the construction works have been completed. In the TBM storage area we will be building a tent to minimise noise from the initial welding works required for the construction of the cutter head.

There will be one further occasion where fifty hours of continuous cement pour is required. This will be used to build the two base slabs for the portal structure and has to be continuous so that there is no adverse effect on the structural integrity of the building.

The area of activity is shown on the map overleaf.

Programme:
From 21 February to 31 March 2022 – Monday to Friday 8am-6pm and 6pm-4am – Excavation of area and placement on temporary storage area
One weekend: 11, 12 and 13 March 2022 – 50 hours continuous from 6pm on a Friday to 8pm on the Sunday – Continuous cement pour

Work mitigation
We will:
• Continue to monitor sound levels both inside and outside our site compound
• Carry out attended monitoring for the first two weeks to ensure noise and vibration levels are within our required limits
• Carry out steel fixing works only at the very bottom of the excavation, 11 meters below ground level
• Use acoustic covers and blankets where possible
• Limit cutting and welding to daytime hours (8am to 6pm)
• Use dust mist cannons around the working areas
• Face lighting away from residential properties.

We would like to apologise in advance for the disruption or inconvenience this may cause. Every effort is being taken to ensure that these works are carried out in the least impactful way. We will ensure that disruption is kept to a minimum.

Download information relating to these works

If you have a question about HS2 or our works, please contact our HS2 Helpdesk team on 08081 434 434 or email [email protected]