ContractorProjectMicro-TBM projectContrafed PUblishingNovember 17, 2022December 4, 2022 by Contrafed PUblishingNovember 17, 2022December 4, 2022 Wellington Water and contractor McConnell Dowell are involved in a project at Barber Grove in Lower Hutt using micro-tunnelling for the first time in the...