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Blast Fume Reduction - New Acland Coal Mine Queensland, Australia
16/06/2015

New Hope Group’s New Acland Coal (NAC) site is a multi-pit, open-cut coal mine situated approximately 150 km west of Brisbane in Queensland. The NAC site produces 4.8 Mtpa of coal for export and local markets. Bound by rural properties, the New Hope Group is committed to being a responsible organisation towards both the environment and the local community in which it operates.

The challenging geology of the area is prone to the production of post blast emissions in the form of oxides of nitrogen (NOx). NAC is strongly committed to high environmental and community standards and made the decision to concentrate on a NOx elimination / minimization process.

Orica commenced blasting services at NAC in January 2013 with the agreement centered around Key Performance Indicators (KPI) for services and bulk explosives that are specifically geared toward the reduction of NOx fume events.

Cost, productivity optimisation through blast planning, scheduling
23/01/2015

An optimised blast plan developed between one of Australia’s largest aggregate companies Boral and Orica at a Queensland quarry has delivered significant improvements to the operation’s annual extraction plan. Karen Normanton outlines how the two parties were able
to optimise blast performance, improve size and shape and reduce costs per tonne of rock.

Enhanced Borehole Camera
Enhanced Borehole Camera
13/11/2014

The Enhanced Borehole Camera (EBC mkIII) combines a number of capabilities from other
instruments into one unit. The unit is capable of measuring depth, hole diameter, and hole temperature
at the same time as recording video footage. Postprocessing allows this data to be combined to produce
a final video with the telemetry synched to the video footage.

Blasting of Large Vertical Rock Protrusions
05/08/2014

During free-dig excavation works in the south-western pit development area in the latter half of 2013, it was
discovered that several large protrusions of fused basalt columns were present along the pit face side of
the overburden stripping works. These protrusions created an issue for the quarry as the rock was solid enough to require blasting as they could not be broken down efficiently with a rock hammer, and were quite large in size (between 6- 10m diameter, and 5-7m high).

Removing overhanging face Oparure Road – Waitomo, New Zealand
04/03/2014

Transfield Services Ltd. Infrastructure division (Transfield) provides road maintenance services to the Waitomo District Council (WDC) on the North Island of New Zealand. Transfield were recently engaged by WDC to rehabilitate pavement on Oparure and Haurua Road . An optimal blast design was formulated by taking data collected using a Measurement Devices Ltd’s (MDL) Quarryman laser profiler and importing it into Orica’s ShotPLUS 5 software.

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