Public Address Voice Alarm System for the Mersey Tunnels

Merseytravel are planning to replace a redundant and obsolete Public Address Voice Alarm System in the Kingsway and Queensway tunnels. Merseytravel are looking to engage a supplier who has experience of the design and implementation of VA system in a road tunnels environment. The supplier will design and build a new VAS for the Kingsway and Queensway road tunnels. The voice alarm system will allow either of the two control centres to provide Voice Alarm and information during an emergency. The Kingsway tunnel is 1....