Mile High CRE Highlights Terrafirma’s Reve Boulder Project

Mile High CRE has published an article highlighting the dewatering/groundwater control and groundwater treatment systems installed at Reve Boulder to allow for the underground portion of the construction to advance safely and without interruption. The article can be viewed on Mile High CRE.

We Work Below Waterlevel So You Don’t Have To

Lake Conroe Dam Relief Well Rehab

At TerraFirma, we work below the waterlevel so that you don’t have to. We recently executed a pilot study to determine the best practices for maintaining the relief well system of Lake Conroe Dam in Conroe, Texas. The relief wells help to ensure the integrity of the Lake Conroe Dam. Originally constructed in the 1960’s, […]

Hanover River Oaks

TerraFirma was selected to provide the groundwater control solution for the Hanover River Oaks project by The Hanover Company. The project is a new mixed used residential and retail complex located in the bustling River Oaks area of Houston, Texas. The complex project consists of multiple subgrade elevations all of which penetrate below the natural […]

100 St. Paul, LLC

Project Specifications The project required installation of a system of vacuum wellpoints directly adjacent to these areas: 10 wellpoints: dewatering sump pit at 58ft. depth; 10 wellpoints: sewage ejector pit and 800 gallon sand/oil separator at 54ft. depth; 8 wellpoints: elevator pit at 62ft. depth; 2 wellpoints: deep pier cap at 61ft. depth; 2 wellpoints: […]

Denver Justice Center

Denver Justice Center Deepwell Dewatering

Terrafirma Earth Technologies, Ltd. partnered with Hensel Phelps Construction Company on the construction of the new Denver Justice Center and Detention Facility project. Terrafirma designed and installed a deepwell dewatering system to ensure the integrity of the soils for the new construction. Project Specifications The project consisted of the construction of the Denver Justice Center […]

Bayport Terminal

Bayport Terminal Dewatering

TerraFirma Earth Technologies was contracted by Zachry Corporation to perform the dewatering of the Bayport Terminal 3 complex. Project Specifications The project consisted of the construction of a new terminal for the loading and offloading of containers from cargo ships in the Houston Ship Channel. The area to be dewatered was approximately 2100’ long, by […]

Buckeye WWTP

Excavation at Buckeye WWTP

Terrafirma was contracted by Garney Construction to install the groundwater control system for the Buckeye WWTP Expansion project in Buckeye, AZ. Project Specifications The Phase I construction of the expansion of the Buckeye WWTP, located just south of Irwin Road in Buckeye, Arizona, consisted of the construction of Anoxic Basins, a Booster Pump Station, a […]

Luminant Environmental Retrofit

Wellpoint Dewatering System Installation

  Terrafirma Earth Technologies was contracted by Fluor Enterprises to provide groundwater control services for their Environmental Retrofit Project at a powerplant in Rockdale, TX. Project Specification The project is located within the existing TXU Sandow Steam Electric Station in Rockdale,Milam County,Texas, and consists of retrofitting Unit No.4 with scrubbers and ancillary equipment to improve […]

San Juan Chama Drinking Water Project

Dewatering the Rio Grande River

Project Specifications The Project consisted of funishing and installing approximately 100lf of 60” and 4000 lf of 54” hight pressure welded steel pipe with four 54” butterfly valves in two reinforced concrete vault structures with appurtenances. The project commenced on a bluff west of the Rio Grande river, across the river and extended across the […]

Tempe Town Lake

Tempe Town Lake Well Reconditioning

TerraFirma Earth Technologies was contracted by PCL Construction, Inc. for recovery well improvements on Phase I of the Pier 202 development. Project Specifications This project consisted of the relocation\rehabilitation of recovery wells 6, 7, and 8. Well 7 remained in place for future use, while wells 6 and 8 were abandoned in place according to […]