Tunnel Lane Control System

Tender description

Merseytravel have identified the need to update the traffic management and lane control system at the Mersey tunnels. The scope of the project is as follows; The replacement of the existing Lane Control Signs (LCS) and Vehicle Management Signs (VMS) and the respective systems, in the Queensway tunnel and the Kingsway tunnels. The work includes inspection of the gantries in the Queensway Tunnel for possible re-use and the installation of new gantries in the Kingsway tunnels. LV distribution to feed the signs, power supplies to each gantry position from 2 separate sources, SCADA links into the existing Merseytravel SCADA network, fibre optic cable installation, Sign control panel installation, updating the existing SCADA system to control and monitor the image displayed and the status of all signs and the stripping out and environmental disposal of all equipment and cabling made redundant by these works. •Removal of existing LCS, VMS and associated systems. •Installation of new LCS, VMS and associated systems. •Inspection and possible re-use of gantries within the Queensway tunnel. •Installation of new gantries within the Kingsway tunnels. •Installation of LV cabling from existing distribution boards to final fixed equipment. •Installation of electrical accessories throughout. •Installation of new Automatic Transfer Switches •Installation on new Primary and Secondary Containment with the tunnel invert and road deck. •Installation of optical fibre cables between existing SCADA outstations and new sign control panels. •Installation of new sign control panels •Amending of the existing SCADA system to incorporate the new systems. •The forming of BWHs throughout. •Testing & Commissioning of all systems.