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Old Posted Jan 1, 2021, 3:49 PM
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Join Date: Dec 2008
Location: The Zoo, Michigan
Posts: 2,323
Here is a really neat article about the ongoing improvements at the State Capitol Complex, in particular, the new geothermal system, which will go online later this year -

Quote:
State Capitol’s boiler room steps into the 21st century
David Poulson | Capital News Service (via The Detroit News)
December 27, 2020

Lansing — An obscure door tucked beneath one of the massive stone staircases outside of Michigan’s Capitol opens to reveal yet another steep stairwell leading deep below the building’s south side. “Boiler Room,” say the letters carved long ago into the stone above. It is here where 14-foot boilers 5-feet in diameter were installed during the building’s construction to minimize their threat. “The idea was that if the boilers blew accidentally, they would take the steps up but not the whole Capitol,” said Matt Van Acker, the director of tour, education and information services at the Capitol...
The Original Boiler Room -

\New pumps that are part of the geothermal heating & cooling system -


AN original drawing of one of the boilers -


Rob Blackshaw (director of operations of the Michigan State Capitol Commission) examining one of the many geothermal wells -
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