Modern Quarrying Q3 2023

we treat each drilled hole as an asset, taking care in securing collars and preventing collapses,” says Nel. “Due to our high standard of maintenance, we are able to utilise our machines between 12 000 and 15 000 hours, after which they are replaced with the latest offerings from our OEMs.” Demwreck ensures drilling efficiency and minimal hole deviation by ensuring drill bits are constantly sharpened with on-site drill bit grinders. Ensuring maximum fragmentation and minimum oversize The Demwreck team are market leaders in providing level quarry floors, maximum fragmentation, and minimum oversize. “Our incorporated technologies and standard operating procedures make it possible for us to provide a client with the best drilling and blasting solutions in the country as the end result. We use electronic initiation systems, together with blast simulation software and attention to detail on blast designs. Our blasters receive in-house and external training on the latest software, hardware and the latest generation of electronic detonators,” says Nel. “Our blasters are fully certified with all the required institutions – Inspector of Explosives and DMR. All our drill rig operators and our excavator operators are certified with the MQA and all personnel have valid medical certificates,” concludes Nel. l

Our state-of-the-art workshops and offices are situated in Sunderland Ridge, Centurion. This provides a hub from where all administration and most maintenance are done, and it serves as a platform to supply support to our branches in the Northwest Province and KwaZulu Natal.

as platform to supply support to our branches in the Northwest Province and KwaZulu-Natal,” says Nel. Demwreck’s approach to maintenance is what gives the company its unique selling point. “We find ourselves in a maintenance driven environment. A well maintained machine is a safe and productive machine. Attention to detail is the key to a successful drilling and blasting business. We use laser levelling technologies to help ensure level bench floors and

have their own specific abilities and characteristics, and we strategically apply each rig in order to service the various needs in the mining industry,” Nel explains. Demwreck is focused on safety and its approach is to minimise downtime and to maximise productivity. “Our state-of-the-art workshops and offices are situated in Sunderland Ridge, Centurion. This provides a hub from where all administration and most maintenance are done, and it serves

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MODERN QUARRYING QUARTER 3 | 2023