Watch the Hazelwood Power Station Chimneys Get Demolished

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The defunct, coal-fired Hazelwood Power Station was built in the 1960s. The plant was known as Australia’s dirtiest power station, responsible for 14% of the state’s total emissions and was shut down in March 2017.

According the The Guardian, eight chimneys were demolished with about 50kg of asbestos in each chimney and about 12 tonnes of concrete. The site will be monitored following the demolition in line with Victorian environment laws.

“There is absolutely no risk that asbestos will be anywhere other than on the ground, and ultimately remediated on site and stored in an approved cell.”

—Ryan Auger, Engie head of corporate affairs in Australia and New Zealand

Michigans Dam Failures, a Small Part of America’s Aging Infrastructure Problem

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https://youtu.be/pltqZfxwHdo

More than 15,000 of the 90,000 dams listed in the national inventory are designated as having high hazard potential. If they break, the resulting catastrophe is likely to cost lives. If a dam fails catastrophically, huge amounts of sediment can be washed downstream, clouding the water and moving contaminants.

“Dams like that shouldn’t be failing.”

“They should be properly maintained and upgraded. Unfortunately, in many cases they’re not.”

–Mark Ogden, coauthor of an American Society of Civil Engineers 2017 Infrastructure Report Card

Source: Popular Science

ASCE Infrastructure Report Card for America: D+

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The American Society of Civil Engineers (ASCE) Infrastructure Report Card is published every four years. The most recent Infrastructure Report Card was released in 2017. It gave America’s infrastructure a grade of D+.

The report card highlighted the urgent need for infrastructure improvement for aviation, bridges, dams, drinking water, schools, solid waste, transit, and wastewater.

Dams and levees received a D grade. Dams create reservoirs for water supply and protect local communities from floods. They also provide renewable energy. Levees reduce the risk from devastating flooding events. However, nearly 17% of America’s dams are considered high hazard potential; the dams failure would likely cause a loss of life and significant economic losses.