Lyman Run Dam
Project
Lyman Run Dam Keller designed and installed a deep well system for groundwater control during construction of a new roller compacted replacement dam. dewatering wells and pipes across a dam The…
/projects/lyman-run-dam
Garden State Parkway Tunnel
Project
Garden State Parkway Tunnel Ground freezing was key to the successful of a TBM that had stalled beneath a critical highway. ground freezing pipes at tunnel shaft The project When loose subsurface…
/projects/garden-state-parkway-tunnel
Gibson County Coal Mine
Project
Gibson County Coal Mine Ground freezing is often specified for sinking production mine shafts through deep, water-bearing ground. The technique was first used at a US mine in 1888. ground freezing…
/projects/gibson-county-coal-mine
New York City Water Tunnel No. 3
Project
New York City Water Tunnel No. 3 An extensive instrumentation and monitoring program was instrumental in early diagnosis of moving groundwater at two shafts. Timely implementation of grouting ensured…
/projects/new-york-city-water-tunnel-no-3
Combined Sewer Overflow Tunnel
Project
Combined Sewer Overflow Tunnel Moving groundwater and groundwater contamination can inhibit freeze closure. Keller overcame these challenges with accurate and early diagnosis of the condition and…
/projects/combined-sewer-overflow-tunnel
Kansas Underground Salt Museum
Project
Kansas Underground Salt Museum The Hutchinson salt mine is an active salt mine in the United States with an underground museum open to the public. Ground freezing ensured dry and stable excavation of…
/projects/kansas-underground-salt-museum
First Morris Bank
Project
First Morris Bank When soil conditions were not amenable to conventional underpinning techniques, Keller’s design-build jet grouting solution provided both underpinning and excavation support in one…
/projects/first-morris-bank
No. 7 Subway Line Extension
Project
No. 7 Subway Line Extension When incompetencies in the rock were discovered, Keller was contracted to perform several techniques from their tunneling toolbox to keep operations on track. breakthrough…
/projects/no-7-subway-line-extension
World Trade Center Bathtub Rehab
Project
World Trade Center Bathtub Rehab Keller initiated a chemical grouting program to address groundwater leakage and potential ground loss through the damaged perimeter slurry wall “bathtub” area located…
/projects/world-trade-center-bathtub-rehab
New Madrid Power Plant Units 1 & 2
Project
New Madrid Power Plant Units 1 & 2 Keller installed, operated and maintained a deep well dewatering system for a very deep excavation at a power plant in the Mississippi River flood plain. aerial…
/projects/new-madrid-power-plant-units-1-2
Flamingo Water Resource Center
Project
Flamingo Water Resource Center Flamingo Water Resource Center is Clark County, Nevada's largest water treatment facility. It allows reclaimed water to be discharged back into Lake Mead. drill…
/projects/flamingo-water-resource-center
Warwick Hall Condo Development
Project
Warwick Hall Condo Development In a new residential development, Keller installs drilled shafts for the first of three buildings. two construction rigs drilling shafts on snowy construction site The…
/projects/warwick-hall-condo-development
Gilbert Road Bridge
Project
Gilbert Road Bridge In response to significant flooding events and working under an accelerated construction schedule in record-high temperatures, Keller constructs some of the largest drilled shafts…
/projects/gilbert-road-bridge
Port of Miami Tunnel
Project
Port of Miami Tunnel The Port of Miami Tunnel project consisted of a twin tunnel bored through the coral below the Port of Miami, Florida. mobile refrigeration plants The project Twin tunnels,…
/projects/port-miami-tunnel
Eastside CSO
Project
Eastside CSO The East Side Combined Sewer Outflow (CSO) Tunnel project consisted of the construction of approximately 29,000 linear feet of tunnel, seven shafts and multiple pipe-line connections.…
/projects/eastside-cso
Boston Central Artery Tunnel
Project
Boston Central Artery Tunnel Three tunnels were to be created beneath seven active Amtrak lines serving Boston’s South Station and the financial district. aerial of site The project Jacking of three…
/projects/boston-central-artery-tunnel
Howard Frankland Bridge
Project
Howard Frankland Bridge Since 1959, the Howard Frankland Bridge has connected Tampa and St. Petersburg, carrying traffic across Tampa Bay. Expansions and widening projects have occurred since the…
/projects/howard-frankland-bridge
Deer Valley Friesen House
Project
Deer Valley Friesen House Keller installs drilled shafts to mitigate slope movement at a residential home. drilled shaft installation near residential home The project When a residential property…
/projects/deer-valley-friesen-house
Pipestem Dam Spillway Modification
Project
Pipestem Dam Spillway Modification To protect the Pipestem Dam, Keller installed a dewatering solution to stabilize the spillway. a dirt hill with dewatering pipes The project Pipestem Dam and…
/projects/pipestem-dam-spillway-modification
South Shore Apartments
Project
South Shore Apartments Keller provides an alternative jacked-in pile solution for seismic upgrades on a California apartment complex. Construction in a parking garage The project The South Shore…
/projects/south-shore-apartments