GineersNow Engineering Magazine November 2016 Issue No 009
GineersNow Engineering Magazine November 2016 Issue No 009 Caterpillar Inc: A look at the company's social impact. Exclusive interview with Jean Savace, Vice President and Chief Technology Officer of Caterpillar Inc. Exclusive: Mining industry, social good, philanthropy, CSR, social impact, social innovation. Special Feature Stories: HVACR, Oil & Gas, Construction, Heavy Equipment, Machinery, Tools, Civil Engineering, Mechanical, Electrical, Plumbing, MEP, Water, Wastewater, Renewables, Energy, Petroleum, Heavy Equipment, Rental Equipment, Contractors, EPC. Country Focus: United States, Canada, United Arab Emirates, Saudi Arabia, Qatar, Bahrain, Kuwait, Oman, United Kingdom, Singapore, Hong Kong, Philippines, Malaysia, Indonesia, India, Australia More engineering stories at https://www.gineersnow.com/topics/magazines
GineersNow Engineering Magazine November 2016 Issue No 009
Caterpillar Inc: A look at the company's social impact. Exclusive interview with Jean Savace, Vice President and Chief Technology Officer of Caterpillar Inc.
Exclusive: Mining industry, social good, philanthropy, CSR, social impact, social innovation.
Special Feature Stories: HVACR, Oil & Gas, Construction, Heavy Equipment, Machinery, Tools, Civil Engineering, Mechanical, Electrical, Plumbing, MEP, Water, Wastewater, Renewables, Energy, Petroleum, Heavy Equipment, Rental Equipment, Contractors, EPC.
Country Focus: United States, Canada, United Arab Emirates, Saudi Arabia, Qatar, Bahrain, Kuwait, Oman, United Kingdom, Singapore, Hong Kong, Philippines, Malaysia, Indonesia, India, Australia
More engineering stories at https://www.gineersnow.com/topics/magazines
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OLD COUPLE WOKE UP TO<br />
SINKHOLE CAUSED BY OLD<br />
MINING SHAFT<br />
What if you wake up one day to find<br />
out that your simple garden had a<br />
huge sinkhole on it?<br />
That is exactly what happened to<br />
a retired couple’s backyard one<br />
Monday where a sinkhole suddenly<br />
appeared and grew to a diameter<br />
of 15 meters on Tuesday night. This<br />
was the result of an old mining<br />
shaft which wasn’t used for decades<br />
already.<br />
Lynnette McKay and her husband<br />
had people from the mines<br />
department review the sinkhole to<br />
find out who should be responsible<br />
in repairing the hole. According to<br />
McKay, people were bringing in<br />
pumps and other things to check<br />
the situation. She adds, “ “We were<br />
seriously shocked. It was 1885<br />
apparently all the mining started out<br />
around these areas. I just got that<br />
bit of information from a person<br />
[whose] father worked in the mines.”<br />
While the sinkhole happened<br />
because of a shaft used for mining<br />
below the ground, this isn’t the first<br />
time that sinkholes and collapsed<br />
surfaces have occurred in Ipswich.<br />
The place used to be known for its<br />
underground mines but has been a<br />
residential suburbs for some time<br />
already.<br />
According to Jim Leggate, a former<br />
mines department environmental<br />
officer, “The engineering of those<br />
mines was pretty good but part of<br />
their operations was the collaptive<br />
roof supports [timber pillars and<br />
beams that inevitably rot] and in<br />
certain locations that would cause<br />
surface subsidence. And it was an<br />
inevitability that was conveniently<br />
ignored in the [mining leases].The<br />
problem is a lot of those underground<br />
mines there were operated under<br />
mining leases that didn’t extend to<br />
the surface.”<br />
These days, Ipswich no longer has<br />
a mining industry. But it definitely<br />
shows everyone that the past finds a<br />
way to haunt us.<br />
Photo by QuietCorner<br />
Photo by BrisbaneTimes<br />
76<br />
NOVEMBER <strong>2016</strong><br />
Mining <strong>Engineering</strong> and Its Importance
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