Waldara Rising Main Upgrade D&C

Overview North East Water has completed a concept design that will be issued as part of a Request for Tender (RfT) to the open market, seeking to engage a Principal Contractor under a design and construct contract to deliver the Waldara Rising Main Upgrade. About The Waldara Pressure Sewer System (PSS) currently services approximately 125 properties and comprises low-pressure pipelines up to DN63, discharging to the gravity sewer network at Fairway Drive. North East Water (NEW) has identified ongoing operational issues within the system, which are expected to worsen with future growth. Purpose A new rising main has been proposed by North East Water to alleviate capacity restrictions on the current sewer system. Scope The alignment of the new Rising Main will require: Determination of rising main size, system curve, and both static and dynamic (total) head, including hydraulic assessment and surge analysis Supply, delivery, unloading, temporary storage, installation/construction, and testing and commissioning of all rising main pipework and fittings Open trench and trenchless construction under protected trees and vegetation areas, approximately 1500m of DN90 (to be finalised during the design stage) Installation of associated air valves, scour points, pump-out points, isolation valves and thrust blocks Management of uninterrupted flow during construction of the connection to the existing rising main Contractor Requirements The Principal Contractor must have a supplier management system that is fully certified by a certifying body against one of the standards/assurance systems listed by both the Department of Treasury and Finance (DTF) and Worksafe For tenders under $750,000, the tenderer must be able to demonstrate compliance with the DTF's 12-point evaluation criteria. A detailed guide on the mandatory OHS management criteria is available on the DTF's Practitioners Toolkit – Document library page Tenderers must have one of the following approved OHS assurance systems, independently certified/audited for currency, to be eligible to participate in this tender: "Safety Map"; Civil Contractors Federation Management Code; Australian Government Building and Construction WHS Accreditation Scheme; or ISO 45001:2018 Occupational Health and Safety Management Systems Contractors are encouraged to undertake the DTF's prequalification process to enable registration for construction and/or construction related services on the Construction Contractors Register, which the Victorian Government and public bodies such as North East Water may use to create shortlists of contractors to invite to submit tenders for public construction and construction related services Instructions to Tenderers This is an Advance Tender Notice only. Further details will be provided when the Request for Tender is released. North East Water will not be engaging individual suppliers for this project; purchasing of components and products will be completed by the Principal Contractor, who will be the successful tenderer. Winning bidder details will be uploaded to the Buying for Victoria website following tender evaluation.