Transom Replacements-Kooragang Arrival and Wollar Creek

Overview ARTC is seeking a contractor to carry out transom replacement works at two sites within the Hunter Valley Network, Kooragang (Hunter River Bridge, Arrival) and Wollar (Ulan Line), as part of the CAL27 Annual Works Plan structures maintenance component. About ARTC's Hunter Valley and Central North West networks are critical railway infrastructure in New South Wales, facilitating the efficient transportation of coal from the Hunter Valley region to the Newcastle port for export. ARTC's CAL27 Annual Works Plan (AWP) includes a structures maintenance component for transom replacements. Purpose The purpose of the works is to improve the reliability of several different types of structures throughout the whole of the ARTC operations network. When complete, the work will contribute to the reliability of track performance within ARTC's network. Scope The works cover two sites within the Hunter Valley Network. Full scope requirements are contained within Appendix 3 and section 11 of the tender documents. Site 1, Kooragang Replacement of all 496 timber transoms with FFU units, in accordance with the IFC design included in Appendix 3, Design and Scope Documents Supply of FFU transoms pre-drilled for Pandrol plates, with transom bolts to be M24 (not the M30 shown on current drawings) Reaming of the girder flange holes where required Supply of all temporary materials required to construct tie-in(s), where the work is proposed to be completed over multiple possessions in accordance with the tie-in detail on drawing KCL-S0033 Replacement of 60m of corroded or missing handrail to spans 7 and 8, including supply of all materials, supervision, protection plant and labour resources (quantity provisional, final length to be agreed with the project manager) Cleaning of the bridge (Departure), including vacuuming of all solid material (coal, debris and other deleterious material) ensuring no waste material is spilled, cleaning of pier capitals, bearings and surrounding areas, and girders and associated steel work Site 2, Wollar Replacement of all timber transoms with FFU units, in accordance with the IFC design included in Appendix 3, Design and Scope Documents Supply of FFU transoms pre-drilled for Pandrol plates, with transom bolts to be M30, requiring reaming of the existing holes on the top girder Scaffolding Provision of scaffolding for both bridge transom replacement sites Provision within the pricing schedules for tenderers to provide a price for alternate working from heights controls Contractor Requirements The Contractor will be engaged as the Principal Contractor to complete all work, unless specified otherwise