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As part of ExxonMobil’s PNG Gas Project, our water consultants were engaged to provide waterways assessments, catchment analysis, hydrological and hydraulic analysis and channel hydraulic analysis.
The catchment analysis included 198 km of road and sales gas pipeline with over 18 bridge crossings and more than 700 culvert crossings. The hydrological and hydraulic analysis covered the design of eight major bridge crossings, embankment and channel erosion control and environmental protection. Mapping and analysis of small to regional scale jungle catchments, crossings, floodplains, drainage across volcanic and karst terrain drainage, incised gorges and mangrove swamps was also included as part of the project.