PTA requires responses to the RFQ by June 7. Shortlisted bidders will progress to an interactive tendering process before a final supplier is chosen next year.\r\nThe successful bidder will be required to manufacture or assemble 50% of the trains in Western Australia. Delivery of the 17 Metronet trains, known as the C-series, is due to begin in 2021. PTA wants the remaining 24 trains to enter service between 2023 and 2028.\r\nPerth currently operates a 180km 1067mm-gauge commuter rail network with 71 stations which is electrified at 25kV ac. The first stage of Metronet expansion programme will add 72km and 18 new stations to the network.\r\nStage one comprises:\u2022 completing the 8.5km $A 1.86bn Forrestfield - Airport Link\u2022 extending the Joondalup Line by 13.8km to Yanchep with construction starting in 2019\u2022 linking Thornlie and Cockburn Central stations\u2022 building the Morley - Ellenbrook line\u2022 extending the Armadale Line by 8km to Byford\u2022 relocating Midland station and extending the Midland Line to Bellevue\u2022 building a new station at Karnup on the Mandurah Line\u2022 eliminating level crossings on the Armadale and Midland lines\u2022 designing and manufacturing the next C-Series trains, and\u2022 planning for alternative transport options to better connect communities.\r\nTo receive global rail tenders, subscribe to IRJ Pro.