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Gold Fields has implemented both Mobilaris Onboard and Mobilaris Situational Awareness at its Granny Smith underground mine in Western Australia as part of an ongoing modernisation program.
In 2018, Gold Fields launched a five-year modernisation program for the site. The first phase's ambition is to ensure cost efficiency, productivity and a safe work environment by integrating data-driven solutions into the mine.
Michael Place, Mine Manager at Granny Smith, said Gold Field has three dedicated full-time personnel to work on the modernisation program. It has also employed external consultants and contractors to assist with the integration.
"Together, we integrate an underground LTE system to have full connectivity in the mine," he said.
Gold Fields' investment will also have environmental effects over time as its digitalisation allows the company to work more sustainably.
"Moving into a more digital world is going to make sure that we are sustainable long-term," Place said. "For instance, we can maintain our cost profile during expansion and follow up on our environmental footprint."
Historically, underground blasting has been one of the biggest time thieves in the Granny Smith Mine, with the operation currently losing four hours of production in a 24-hour period due to the firing. With the ongoing modernisation program, Place looks for the mine to become more efficient than before.
"Integrating technology into the mine allows us to look at options to reduce the inactive time," he said. "We can increase efficiency through autonomous equipment, remote operations, and digital solutions. The expected outcome is a 5-15% increase in productivity."
The Granny Smith Mine has close to 4,000 different locations, with over 100 employees underground at the same time. It already runs 1.2 km deep and, like many mines, is under constant development.
In 2019, a group from Gold Fields Granny Smith, including General Manager, Andrew Bywater, visited Boliden in Sweden to study the use of the Mobilaris product suite, with focus on Mobilaris Onboard and Mobilaris Situational Awareness in the Kristineberg mine.
Mobilaris Onboard, working as a machine navigator underground, creates traffic awareness and a safe and effective traffic flow, according to the company. Based on real-time data, Mobilaris Situational Awareness enables transparency and awareness. The information makes it possible to control the operations and resources, and people can quickly act upon what is happening and make smart decisions faster, Mobilaris says.
Because Mobilaris data and positions were shared in real time, the operation had seen an increase in safety and efficiency, according to Mobilaris.
This visit has since led to Gold Fields implementing both Mobilaris Onboard and Mobilaris Situational Awareness at its underground operations at Granny Smith.
Place said: "Mobilaris Onboard allows us to navigate to all locations underground quickly and efficiently. It will improve our productivity and decrease inactive time by reducing traffic congestion and finding equipment and machines faster.
"We are a haulage-constrained mine and, by reducing the cycle time of our haulage fleet, we can raise our productivity. It is a significant benefit."
Strong customer relations allows Mobilaris to develop and test all products in real environments, as well as the possibility to bring companies to customer's sites to experience the products in use, Mobilaris said.
"Our close relationship with the customer is a crucial success factor for Mobilaris," Pascal Hansson, Sales Director, Mobilaris Mining & Civil Engineering, said. "All our solutions are tested in Boliden's and other companies' underground mines. This gives us the confidence to deliver what we promise to our customers."
Gold Fields has plans to use Mobilaris Situational Awareness as its number one source of information and integrate it with fleet management, inventory systems, and the daily shift scheduler, according to Mobilaris. The mine's digital investment is expected to pay off within a year, it added.
Place explained: "The location data will synchronise with daily schedules to ensure real-time data is captured from the time jobs are planned and executed. We are looking at efficiency improvements, but we are currently introducing this technology to maintain our production profile with the increasing depth and costs."
The Gold Fields modernisation program has full support from top to bottom and is expected to be finished over the next two years, Mobilaris said.
During the research process, Gold Fields discovered that Mobilaris Onboard addresses specific safety issues. By sharing positional data and navigation in 3D, drivers can avoid traffic congestion and find shelter during emergencies.
Place said: "We have installed tablets in all our heavy vehicles. With Onboard's traffic awareness feature, we can minimise the vehicle-vehicle interaction and the vehicle-personnel interaction. The application also tells us where to find the three nearest refuge chambers to our location. So, if there is an emergency, we can get the quickest path to safety."