Case Study Controlling Airblast in Shaft Blasting Northern Pipeline Interconnector Page 1 | © Copyright Orica Limited Group www.oricaminingservices.com | Document reference: 100054 Site Profile The Northern Pipeline Interconnector (NPI) is a bi- directional water pipeline connecting Sunshine Coast and Brisbane water sources. Part of the $9 billion South East Queensland water grid, the pipeline will protect both regions from loca

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