Jun 23, 2021 · Photo: TBM, HiwaiteRangi, is lifted into a launch shaft at our Central Interceptor site in Māngere. The first section of a Tunnel Boring Machine (TBM) called 'HiwaiteRangi' has this afternoon (22 June) been successfully lifted into a shaft at the Māngere Pump Station site for our Central Interceptor project.