Berriwillock & Culgoa Drinking Water Supply – Design & Construction Tenders Victoria

Description GWMWater invites tender submissions for the Berriwillock & Culgoa Drinking Water Supply. The scope includes, but is not limited to, the design, supply & construction of the following: This Contract includes the following scope of works: Separable Portion 1: Pipeline > Approximately 17Km of DN150 PVC pipeline from an offtake North of Woomelang to Berriwillock. > Approximately 23Km of DN150 PVC pipeline from Berriwillock to Culgoa. > Approximately 7Km of DN63 HDPE rural pipelines. > Approximately 700m of DN180 HDPE watermain within Culgoa. > Air valves, scour valves, connections, and Horizontal Directional Drilling (HDD) as required for the above pipeline. > Pressure testing, swabbing & flushing of the pipeline. > Swabbing & flushing of approximately 15Km of existing DN150 PVC main to convert from rural supply to drinking water supply. Separable Portion 2: Facilities > New pump station at Woomelang, incorporating booster pumps to Sea Lake, Berriwillock & Culgoa & lift pumps to Woomelang Elevated Storage. > Two (2) x 250 kL Clarified Water Storage tanks at both Berriwillock and Culgoa Water Pump Stations (WPS). > One (1) x 200 kL Chlorine contact tank at both Berriwillock and Culgoa WPS’s > Chlorine gas dosing system & transfer pumps and analysers as required at Berriwillock & Culgoa. > SCADA, RTU & PLC Programming as required for all facilities. > 50kVA standby diesel-operated generating-set (SDGS) with automatic change-over mechanism. Separable Portion 3: Culgoa Facility – On-site Power Supply System (OPSS) > Stand-alone Power System (SAPS) based on the minimum combination capacity of the following energy resources to be integrated: > 30.6kWp solar photovoltaic (PV) generation plant > 20.0kW/75.0kWh battery energy storage system (BESS) > 20kVA SDGS with automatic change-over mechanism. Tenders shall be accepted for Separable Portion 1, Separable Portion 2 and Separable Portion 3 or any Separable Portions of the Scope of Works. GWMWater reserves the right to accept tenders in part. The lowest or any tender not necessarily accepted.