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Keller has extensive experience across a wide variety of projects, large and small, and a proven track record of delivering these safely, on time and to high quality.

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9 projects found

drilling of pipes for bottom seal

Support of excavation

Groundwater control and dewatering

Tunnels and shafts

Ground freezing

Kansas Underground Salt Museum

Hutchinson, Kansas, USA

Ground freezing pipes

Groundwater control and dewatering

Tunnels and shafts

Ground freezing

Permeation (chemical) grouting

Combined Sewer Overflow Tunnel

Providence, Rhode Island, USA

looking down at a shaft on the ground

Ground improvement

Groundwater control and dewatering

Tunnels and shafts

Ground freezing

Permeation (chemical) grouting

New York City Water Tunnel No. 3

New York, New York, USA

ground freezing pipes in construction shaft

Groundwater control and dewatering

Ground freezing

Gibson County Coal Mine

Princeton, Indiana, USA

ground freezing pipes at tunnel shaft

Ground improvement

Tunnels and shafts

Ground freezing

Garden State Parkway Tunnel

Clifton, New Jersey, USA

pipes and steam from ground freezing operations

Groundwater control and dewatering

Tunnels and shafts

Ground freezing

Port Mann Water Main Supply Tunnel

Vancouver, British Columbia, Canada

Aerial of ground freezing for the First Street Tunnel

Support of excavation

Groundwater control and dewatering

Water, sewage and waste disposal

Ground freezing

First Street Tunnel

Washington, D.C.

Ground freezing system within the tunnel.

Groundwater control and dewatering

Tunnels and shafts

Ground freezing

Sound Transit Light Rail - Northgate Link Extension

Seattle, Washington

Ground freezing shaft being completed for Access Shaft #3

Groundwater control and dewatering

Tunnels and shafts

Ground freezing

Access Shaft #3, Sistema de Potabilización Area Norte

Buenos Aires, Argentina

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