Doug Hood Mining

Port works utilised Tamrock Pantera 1100 drill rig

June 17, 2011

A DHML Tamrock Pantera 1100 drill rig (pictured) was on hire to Burnside Contractors Ltd to drill blast holes as part of port works in Lyttleton Harbour.

The Pantera is an 18 tonne hydraulic top hammer rig capable of drilling 89mm to 127mm diameter holes to a depth of 30m.

The drill rig is ideal for challenging terrain and when purchased was specifically selected for development and production drilling on the West Coast of the South Island in support of DHML’s opencast mining contracts.

Utilised on the company’s Strongman 2 opencast coalmine contract from 2001 to 2004, the rig was part of the drill, blast, overburden & coal removal fleet used to remove 5.9M m3 of overburden covering 1M tonne of coal.

In 2004 the Pantera was transferred to Stockton Mine as standby rig for the drill & blast subcontractor.

Since 2009 the Pantera has been used on the South Island’s west coast in mine development & production drilling, and on the east coast in support of earthquake remediation and site works.

The rig operator Tristan Bennett, with considerable drilling experience, operated the Pantera for DHML from 2001 to 2004 before working offshore then returning to the company in 2010.

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