Planning ahead to minimise noise impact

Before starting any new construction project, the impact and distribution to local businesses, residents and commuters should be carefully considered.

Project C501 Moorgate Shaft is part of the Crossrail infrastructure project that will create a new rail link across London from West to East. Over 42km of underground tunnels will link London’s main business centres in a project that is expected to start operation in 2018 and be fully operational in 2019.

The C501 Moorgate Shaft is a 35m x 35m diameter, 55m deep hole excavated right next to the existing Moorgate Station. 60m deep reinforced concrete panels are being installed to form a box below ground. This will house the new western underground ticket hall serving the new Crossrail station.

The construction site is one of the most constrained on the Crossrail scheme. Evident from the picture on the front page, the site is surrounded on all sides by commercial, residential, educational and London Underground premises. The close proximity of surrounding buildings and the wide variety of neighbours could cause potential challenges in relation to noise disturbance.

Brüel & Kjær worked closely with the project team to plan ahead and implement Noise Sentinel, a robust and effective system for managing the noise impact of construction.

Noise Sentinel has continuously monitored noise around the site since November 2011 and has exceeded both the expectations of the City of London and the contractual requirements of Crossrail.

The main contractor, BAM Nuttal Kier JV, has been awarded Crossrail’s Green Line Scheme award for the project. In addition, Noise Sentinel has been shortlisted for the Environmental Initiative of the year at the 2013 International Tunnelling Awards.

To read the full case study, click below.

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Entry submitted by Bruel & Kjaer UK

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