NW5062 - Signalling, Telecoms and OHLE Works for CCRP Phase 3

IE is seeking expressions of interest from suitably qualified contractors with experience of complex railway system projects for the carrying out of Signalling, Telecoms and Overhead Line Equipment (OHLE) works required for Phase 3 of the City Centre Re-Signalling Project (CCRP). The CCRP is a strategic re-signalling project covering the DART network. The project is divided into four interrelated phases for ease of management & control. Phases 3 & 4 are a continuation of the existing Phases 1 & 2, which are now nearing completion. Phase 3 comprises Connolly Stn to Sandymount, with permanent way changes at Grand Canal Dock (GCD). Phase 4 covers Connolly Stn area. The scope of this tender will inc. works relating to Phase 3 only. It is intended to enter into an Early Collaboration Contract with the successful tenderer. The Phase 3 Signalling, Telecoms & OHLE works are comprised of the following: •Provide signalling to cater for a centre road terminating turn back facility for southbound trains at GCD Stn adjacent to platform 2. •Re-signalling between Connolly & Sandymount inc. the replacement of three aspect signalling system with a modern multi-aspect system based on solid state interlocking. •Provide wayside systems that are suitable for both automatic train protection (ATP) technology and continuous automatic warning systems (CAWS). •Replace existing track circuits with axle counters. •Provide point machines to all new points. •Replace relay based level crossing control with Siemens S7 Fail-Safe Programmable Logic Control (PLC) at Lansdowne Road level crossing and at Serpentine Avenue level crossing. •Provide new signalling power distribution system with UPS and backup diesel generators. •Provide new fibre transmission nodes at strategic points to provide circuits for line side phones, train radio and signalling. •Upgrade PABX system & install new line side telephones. •Modify layout of the OHLE as necessary for a turnback facility at GCD

Works

09/12/2013 12:00:00

45234115-5  Railway signalling works