Neasden Depot


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Neasden Depot is the largest depot on the London Underground network and is responsible for the servicing, maintenance and stabling of all of the train stock on the Metropolitan Line. When it opened in the late 1800’s Neasden was a manufacturing railway works producing locomotives and coaching stock for the Metropolitan Railway. 

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Major work was undertaken in 2010 – 2011 with much of the 1930’s layout being altered to make it suitable for maintenance of the S Stock.  Emico was engaged by BAM Nuttall to carry out the upgrade of the site wide lighting, the gas mains, dry riser and fire mains at the depot following the major upgrade works to the shed.

Part of the challenge in the upgrade was the requirement to keep the depot operational at all times.  The works were mainly carried out at night time and at weekends in order to minimize disruption during the changeover of the gas main to the new medium pressure main. 

To save time Emico fabricated the straight lengths and had them painted off site which enabled us to put them straight into position. 

Once the new main was installed and tested, we then started the change over from the low pressure old gas main to the new medium pressure main. New regulators were required on every connection to bring the pressure down to a level that the existing plant could tolerate.


“I would like to thank you and your team for the work ethic and professionalism shown in a very stressful environment and the team should be proud of the achievement. It was a pleasure working with the team on site." ”. Christopher Robinson, Project Manager, Rail Division, Enterprise Managed Services. “Well coordinated and well-resourced considering the short notice period." Nick Langdon, Section Engineer, BAM Nuttall.

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