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Conference Proceedings

EXPLO 2007

Conference Proceedings

EXPLO 2007

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Sally Malay's 2190_6095 Stope - The HotShot Experience

The blasting of the 2190_6095 stope at Kimberley Nickel Mine's Sally Malay operation in Western Australia is an example of what can be achieved with electronic detonating systems when a drill and blast engineering team is faced with complex blast geometry and a major pump station in close proximity to the stope. Using Dyno Nobel's HotShot system, the engineering team successfully designed and initiated the 36.5 Kt stope firing, with a powder factor of 0.35, resulting in no damage to the pump infrastructure, better fragmentation of the ore and less overbreak in what had previously been a geotechnical and geometrically challenging stoping environment. This paper will discuss the design parameters used for this stope blast as well as the benefits the operation found in using precision detonator timing in this 252 hole shot over two levels using a combination of up and down and slashing rings that were initiated in four different directions.
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  • Published: 2007
  • PDF Size: 0.184 Mb.
  • Unique ID: P200707018

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