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Leesburg Inter-Quarry Tunnel - Execution

Site supervision on behalf of Luck Stone Corporation including supervision of all SEM activities, quality assurance services, cost and schedule control and design coordination on site.
Estimated cost: Commencement:
April 01, 2018
Completion date:
March 01, 2019
Leesburg Plant
20210 Luck Lane
Ashburn, Virginia, VA 20147
United States
Technical data:
Geology description:

Located within the Culpeper Basin, a sedimentary rock formation characterized to be of Lower Mesozoic Age. The existing Luck Stone quarry is situated in a Diabase intrusion (dyke) of this sedimentary rock.

Geology types:
Bid cost: Final cost:
$13 million USD
Service areas:
Tunneling under:
Tunnel length:
1275 feet

Luck Stone Corporation (LSC) is the nation's largest family owned and operated producer of crushed stone, sand and gravel. At their plant in Leesburg, Virginia, Luck Stone Corporation acquired a new quarry, which is located to the West of Goose Creek river. An inter-quarry tunnel was constructed to link the existing South-Eastern pit with the new West pit. The tunnel's cross section is approximately 45 feet in diameter, and the tunnel's length is approximately 1275 feet. The tunnel crosses the Goose Creek river approximately 50 feet beneath. The excavation method was drill and blast in hard rock (diabase).

South-East portal - final stage
South-East portal - construction stage