Author: ARK

London Underground Piccadilly Line Interim Control Upgrade (PICU) Project

The London Underground Sub-Surface-Rail Upgrade Programme (SUP) is upgrading the SSR lines to a new moving block signalling system which will be controlled from a new Signal Control Centre at Hammersmith. It is anticipated that the Piccadilly Line will also receive an upgrade but this will not occur until post 2022, until which time the line shall remain on the legacy fixed block signalling system. The purpose…

London Underground Bond Street Crossrail Enabling Works

Bond Street Station Operations room underwent refurbishment as part of the Crossrail Enabling Works. To allow the refurbishment to take place numerous services were temporarily relocated to an Intermediate Station Operations room before being relocated back in the refurbished station Operations room. ARK was chosen as the Signalling Design contractor for the relocation of the Central Line Emergency Stop & Skip panel.

Network Rail Provision of VISION Signalling Data

ARK were contracted to analyse the Northern Rail Priority Area 1 and record the associated signalling data from Signalling Plans and Control Tables. This data is fed into the VISION software package to model capacity and allow Capacity Planning. Priority Area 1 involved the analysis of approximately 1,300 signals, the data was successfully delivered to a very ambitious programme. Our success in the delivery of Priority Area…

Network Rail Wimbledon Platform 10 Tramlink Capacity Enhancement

ARK undertook the production and delivery of; Stage 1 signalling designs to support a temporary alteration to the signalling arrangements in order that the London end of Wimbledon Platform 10 could be decommissioned. Stage 2a signalling designs to support the relocation of signalling equipment and cables from the Tramlink construction site area.

London Underground Metropolitan Line ‘S’ Stock Enabling

ARK were contracted to undertake legacy signalling design modifications to Rickmansworth Station to facilitate the introduction of longer ‘S’ Stock trains. This involved the re-location of numerous signals, trainstops and track circuit boundaries as well as the introduction of bespoke circuitry to enable the positioning of Fibre Optic Shunt Signals onto Gantry structures. ARK were the first Designers to implement Fibre Optic shunt Signals on gantry structures…