NEWS
Another world record blast for BME
Quantum Minerals, is the
largest copper mine in Africa
by production.
The blast was conducted in
the Kansanshi Mine main pit on
29 September 2017 and involved
6 690 electronic delay detonators
(EDDs) – successfully initiated
using BME’s AXXIS digital
initiation system.
Blasting and explosives
company BME, in conjunction
with its client Kansanshi
Mining, has broken the world
record for the most electronic
detonators fired in a single
blast at the Kansanshi copper
mine in North-Western
Zambia. The Kansanshi mine,
which is 80% owned by First
Block preparation for the AXXIS record blast.
AXXIS Record blast for most electronic detonators fired in a single
blast at the Kansanshi copper mine in North-Western Zambia.
According to Wayde De Bruin,
area manager for BME Zambia,
all the holes were single-primed,
with a set-up that included nine
different shots, 18 slave blasting
boxes and one master box.
“The blast moved about
455 000 bank cubic metres
(BCMs) and consumed a total
of 400t of emulsion explosives
– yielding an overall average
powder factor of 0.9kg per
cubic metre,” says De Bruin.
“The blasts were offset to keep
the mass charge per delay to a
minimum; the highest timing
recorded on this blast was 6.520
milliseconds.”
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QUARRY SA | JANUARY/FEBRUARY 2018 _ 5