SASWP03.1 - Rail Systems - Bonding, HV, OLE

Concepts

• rickmansworth
• high voltage cable
• skanska
• installation of red traction return bonds
• rail systems
• 800lm hv feeder cables
• network rail
• rail systems wp03.1 scope
• supply of ole cre
• rail system manager

Location

Description

Skanska SAS13 Bridge Replacement - Rail Systems WP03.1 Scope 1) Main Works: 1.1) Bonding: Modification and Installation of Red Traction Return Bonds to 2 No. Feed Structures. Removal of 1 No. Feed Structure Red Bond Installation Modification and Installation of Return Screening Conductors Disconnection and Modification of Structure and asset bonds along 500m of Blockade Works, Dual Track. Installation of Structure and asset bonds to 500lm on new electrified railway works. 1.2) Traction Power (HV): Testing and Commission of 2 no. 800lm HV Feeder cables and 2 No. 800lm Return Cables Feed Modification to 2 no. existing structures Supply to 2 no. New Feed Structures Removal of all modified Traction Power Equipment post Blockade 1.3) OLE: Enabling Works including: - Installations of switches and insulated section to 2 no. wire runs. - Removal of switches and insulated section from 2 no. wire runs, reinstatement of OLE. 24hr Blockade Works including: - Removal of Neutral Section equipment and providing new anchorage for 2 No. Wire Runs to new SSA's - Complete removal of 2 No. Wire runs back to Anchor Structures, each circa 400m long - Reinstallation of 2 no. wire runs, each 400m long including all small part steelwork - Installation of New Neutral Section equipment at Feed Structure - All testing, commissioning and EIS 1.4) Staff / Professional Service: Supply of OLE CRE for Works Supply of HV/E&P CRE for Works Supply of HV Cable Testers Supply of Rail System Manager, embedded within SAS 13 Project Team to Manage all Rail Systems Disciples 2) Enabling Works: 2.1) High Voltage Cable Route Track Side Elevated GRP Trough Route - Circa 260lm Direct Buried Route - Circa 90lm Ground Laid GRP Trough Route - Circa 140lm Under Road Crossing Route - Circa 40lm Cable Rack Installation through Confined Space Culvert - Circa 50lm 2.2) HV Cable Installation Hauling and Installation of Approximately 1600lm of Single Core Cable 120mm2 Copper XLPE insulated with 83mm2 screen, MDPE, Graphite - Including 2 no. HV Joints Hauling and Installation of Approximately 1600lm of 19/4.22 Aluminium RED PVC Insulated Cable - Including 2 no. HV Joints Testing and Proving of Installed Cables 2.3) OLE Foundations 3 No. 610mm Dia, circa 7m Long Installation via Track Mounted Plant 2.4) OLE Structures 2 No. Self Supporting Anchors (SSA) 1 No. Twin Track Cantilever (TTC) inc Switching Platform and Ladder Access Installation via Track Mounted Plant Tenderers will be issued a formal invitation to tender (ITT) with a pricing and submission document to complete. The submission will included a balanced scorecard requesting answers to questions (along with evidence) to be submitted for review and scoring. The highest scoring tenderers will be considered preferred tenderer for the works. High level criterial of the balanced scorecard questions will include: Health & Safety Quality Sustainability Environmental Competence Capability Capacity Commercial Price Mid tender reviews will be held prior to the submission deadline to review the scope of works with the SAS13 project team. Following the submission deadline, there will be post tender reviews to review your submissions with the SAS13 project team. Best and final offers may be requested from tenderers. Skanska have been employed by Network Rail (NR) to replace the existing SAS 13 bridge to increase lateral clearance below the structure to enable the construction of HS2's new depot access lines and access to the new HS2 depot via road. The existing bridge forms the rail intersection between the Stechford to Aston (SAS) line and the Birmingham to Derby Line (DBP3). The new bridge will be a 92m single spanning structure. Skanska's appointment by Network Rail includes the design and demolition of the existing bridge and installation of the new structure.

CPV Codes

• 31321300 - High-voltage cable
• 45234100 - Railway construction works
• 45221122 - Railway viaduct construction work
• 45221112 - Railway bridge construction work
• 71311230 - Railway engineering services
• 45232210 - Overhead line construction
• 50225000 - Railway-track maintenance services

Other Information

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