As part of the dual power SER upgrades DPSS were tasked by Amco Giffen with the survey, route design and installation and commissioning of the SWA supply cables for various stations across the network. This ranged from 90mm 4 core right up to 300mm 4 core SWA.
Amersham station required the installation of 4 drums of 4 core 300mm Cable, 2 drums of 1 Core 150mm Cable and 1 x 7 core 2.5mm cable, including jointing.