The P’nyang Project aims to commercialise natural gas resources in Papua New Guinea. The assessment undertaken by Alluvium enabled a baseline characterisation to be used to assess the significance of potential impacts from the construction, operation and decommissioning of the P’nyang gas field. 

Key issues addressed include safety of project assets in regard to their location in relation to flooding and geohazard related hydrologic processes, ground disturbance/site preparation during construction and the related quantity of modelled sediment generated from that disturbance area compared to baseline rates, distances downstream that sediment from project activities may be transported, and watercourse bank and bed stability at road and pipeline crossings, where the erosion and sediment transport may impact upon riparian habitat, water quality and aquatic ecosystem values.