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Revision Zero successfully concluded the PIMS Mavis Down project in the second quarter of 2022. situated 139km southwest of Mackay, Queensland, Australia. The Mavis Down mine historically yielded high-quality HCC64 hard coking coals and PCI coals, known to be on par with products from Stanmore Coal's existing mines. The open-pit Millennium and Mavis Downs coal mines were recently designated for conversion into underground operations, potentially unlocking an additional 1.2 million tons per year in coal extraction. The comprehensive redevelopment of PIMS Mavis Down involved infrastructure, civil works, and the construction of locally designed mining equipment. The Primary Air Installation was central to the underground mining setup, a pivotal element ensuring cost-effective operations and a secure ventilation system. Adequate ventilation is paramount for worker safety and the longevity of machinery and equipment within the mine. The primary ventilation system, comprising Primary Fans, facilitates the necessary airflow in and out of the mine, ensuring a safe working environment. Revision Zero was honoured to be entrusted with this pivotal project, specifically tasked with creating 3D models and fabricating workshop materials for the ventilation ducting, totalling approximately 39 tons. The Scope of Work for the Project encompasses various crucial components: Fan Casing Fan Diffuser Turning Bend Transition Piece Isolation Door Inlet Duct Discharge Diffuser Bulkhead Adaptor Blast Bend Bifurcation This undertaking stands as a testament to Revision Zero's commitment to delivering high-quality solutions and expertise in intricate mining infrastructure, contributing significantly to the success of the PIMS Mavis Down Mine redevelopment. #revisionzero

This refinery unit is going to bring a radical change in the topography of surrounding areas in terms of establishments associated with the company business-and direct change in terms of near by real estate and construction industry too.... https://lnkd.in/gkwuQ-bG

Eye Lighting Australia’s SST Series of bulkheads are synonymous with robustness and reliability. Crafted using LM6 aluminium with low copper content enhances its corrosion resistance and ensuring the bulkhead’s longevity and resilience needed in environments found in the heavy industry. Engineered for versatility, these bulkheads are ideally suited for various demanding environments. Whether it’s rail loadouts, beneficiation plants, coal wash plants, or essential infrastructure like stairways, walkways, access tunnels, and plant equipment, the SST Series ensures optimal illumination across all these applications. Delivering a “fit for purpose” solution to a broad spectrum of lighting requirements. Their universal mounting design facilitates effortless installation in any desired location. Additionally, an EMERGENCY variant is available, fully certified to AS/NZS 2293.3, catering to the need for reliable lighting in critical situations. Each unit is equipped with a 60-watt LED, and a LiFePO4 Battery duration 90 minutes to cater to specific safety requirements. Discover how the SST-60 from Eye Lighting Australia can illuminate your projects with unmatched durability and efficiency. https://lnkd.in/gRqsZKU5 #mining #miningindustry #miningequipment #miningnews #eyelightin

In this video my colleague John Carr, former founder of New Century is introducing the concept of 'Economic Rehabilitation' which we developed at Future Element. While all of the points in the video are important, the one that resonates most for me is the conversion of closure costs into operating costs.    A typical industry approach to this problem is to delay the rehabilitation of tailings dams as late as possible. This makes sense from NPV lens; delaying these costs until after the mine is shut down. The problem with this approach that is often reduces the option set of what you can do with the tailings leaving you to just cap and seed the dam.   For example, I am working with a client with a late-life U/G mine (<8yrs LoM) they are considering a small open pit. The NPV of pit is line-ball considering primary ore only but it opens up all sorts of possibilities around in-pit deposition, deferral of capital for TSF extensions and reprocessing. When these cash flows are modelled the pit the investment meets their hurdle rates.      It also is cost efficient bringing forward economic rehab opportunities during the mine's productive life: - Direct costs can be incorporated into the site’s operating cost and paid for by metal recovery -Indirect costs for closure (which can be significant) can incorporated into site operations and overhead costs

Learn from real-world examples about current best practices in facility design, engineering, and operations, including construction concepts and approaches to evaluating siting and design. SRK Presenters: Colleen Crystal, P.E., G.E., Joe Rola CPEng, Raúl Norambuena Mardones Australian Centre for Geomechanics #Paste2024 #minewaste #geotechnicalengineering #tailings #mining #miningindustry

#COPPER US$9,057.69/t US$4.11/lb -1.15%. Teck Resources Limited cuts 2024 output guidance from 465–540kt to 435–500kt, with QB revised from 230–275kt to 200–235kt, due to expected lower grades in H2 caused by access issues related to pit de-watering and geotechnical issues. 

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Our concrete plan to reduce CO2 emissions continues.

Pressure Zadra requires less building height than AARL It is common knowledge that a Pressure Zadra (PZ) gold elution circuit is cheaper to build and deliver than the Anglo American Research Laboratory (AARL) equivalent sized plant. Did you also know that the design ratio for the elution vessel for a PZ is 4:1 whilst an AARL is 6:1? This is because the AARL utilises a single pass of eluate through the column whereas PZ uses a closed circuit recirculating flow design. To reduce the likelihood of short circuiting, the design mandates a 6:1 ratio. This means an AARL plant is 50% taller than the equivalent PZ. Think about that – that’s huge! When Como Engineers designed the 12T PZ plant for the Greenstone Gold Mine, the vessels were 10.7 metres high. These (and their supporting structure) were located inside a building to protect them from the freezing Canadian weather. If the project had chosen an AARL, the equivalent vessel would have been 16 metres tall! That’s nearly equivalent to another 3 stories high! It begs the question, “Why would you not go with PZ?” It’s your call.

We want to thank Katrin Brummermann and Manfred König from GeoResources Journal for the opportunity to share our knowledge of the complexity of optimizing tunnels with innovative drainage solutions, in the latest issue of GeoResources Journal-1-2024.   Constructing a tunnel is seen as one of the most complex challenges in civil engineering, and many tunnels are recognised as technological masterpieces. Though, the damages in tunnels caused by water, is very often an overseen part that can lead to significant consequences.    Johnny Poulsen, CEO of Dolenco Drain, describes in the latest issue of GeoResources Journal, the different drainage systems and their challenges, with solutions on how to overcome this in the most simple, environment and cost-effective way.     The article can be found in GeoResourses Journal 1, pages 29-33:   https://lnkd.in/d6RABrW6   We will be glad to go more in-depth, for further information   #GeoResources #GeoResourcesJournal #Tunnelling #Mining #Tunnel #drain #DrainageSolution  #DolencoDrain #lining #shotcrete