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Robbins TBM Arrives in Atlanta

robbins-atlanta

(From left) Wayne DeLong (PC Construction), Councilmember Ivory Lee Young, Watershed Management Commissioner Kishia L. Powell, Mayor Kasim Reed, Councilmember Natalyn Archibong, Mark Belli (Robbins) and Jason Ulseth (Chattahoochee Riverkeeper) in front of newly arrived segment of tunnel boring machine.

Atlanta officials on June 29 welcomed the arrival of the main section of a Robbins TBM that will bore a tunnel as part of the Water Supply Program. Department of Watershed Management Commissioner Kishia L. Powell joined Mayor Kasim Reed and community partners gathered to receive largest portion of the TBM that will carve a 5-mile tunnel connecting the former Bellwood Quarry with the Chattahoochee River.  More than 70 trucks will bring pieces of the 400-ft machine to Atlanta from Ohio during the next few weeks.

The $11.6 million TBM will excavate rocks underneath the City of Atlanta to create a tunnel 12 ft in diameter, connecting the Chattahoochee River and the Hemphill Water Treatment Plant to the quarry. The almost 30-ft long, 57,000-lb front main beam is one of the first and largest sections of the TBM to arrive.

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Crews will assemble the TBM underground on the quarry floor. It total, the TBM will stretch 400 ft and weigh 850,000 lbs.

The Water Supply Program is scheduled for completion by December 2018. A key initiative of Mayor Reed, the Water Supply Program was developed to provide Atlanta with a 30-day backup of water. The $300 million investment will address the City’s aging infrastructure, build a five-mile tunnel and fill the former Bellwood Quarry with 2.4 gallons of water, increasing Atlanta’s water reserve from three days to 30.

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