An inside look at the pumping well.
Professor Saleh Keshawarz pictured with the civil engineering students that attended the tour on October 19.
On Thursday, October 19, twenty civil engineering students
from Professor Saleh M. Keshawarz’s junior level Geotechnical Engineering I.
class went on a tour of the MDC Kenny/Obayashi South Hartford Conveyance and
Storage Tunnel project. Many thanks to the MDC, CDM Smith, the Kenny Obayashi
venture, Jeffrey Fournier, and Tom Clavin for making this tour possible for the
students.
John Stearns, a writer for hartfordbusiness.com,
explained how the tunnel-boring machine chews through shale, siltstone and
basalt and travels through several inactive fault zones 175-250 feet below
ground and as it moves along, the machine lays sections of pipe to line the
tunnel while moving extracted material out of the tunnel. “The tunnel will hold
the overflows until a pump at the tunnel’s terminus can move the wastewater up
to the plant for treatment, after which the water is discharged into the river
in a cleaner state.”
The tour began with a safety orientation and a brief project
overview. The students were provided hard hats, safety vests, and eye
protection. Geoffrey Rowntree, the project emergency management officer for CDM
Smith, led the tour.
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