Project Location: Polk County, Iowa Owner: USACE, Rock Island District GC: Jensen Construction Project Revenue: $1,060,393.00 Project Start and End Date: 2015-2016 Summary: Griffin designed and furnished all equipment for the installation of an eductor dewatering system to facilitate the replacement of the lake’s long-damaged gate system. Griffin installed 14 pairs of eductors up to…

Location: Valparaiso, Indiana Owner: City of Valparaiso G/C: Bowen Engineering Corporation Engineer: DLZ, Inc Project Revenue: $100,000.00 SUMMARY The City of Valparaiso needed to install a new 72-inch diameter steel casing for the storm water sewer pipe. The excavation required to install the pipe was located under existing railroad tracks. A dewatering system that would…

Project Location: St. Louis, MO Owner: Army Corp of Engineers, US Fish and Wildlife Service GC: J. Gray Construction INC. Project Revenue: $900,000.00 Project Start and End Date: 2007- 2008  SUMMARY As part of the USACE environmental restoration initiative in this area, a cofferdam was to be constructed in the middle of the Mississippi River. …

Project Name: Holden Mine Remediation Project Project Location: Chelan, WA Owner: Rio Tinto GC: Magnus Pacific Engineer: MWH Project Start and End Date: 2012 – 2015 CHALLENGE: Mine clean-up is part of the ongoing Legacy Program at Holden Mine. The site was remotely located in the Cascade Mountain Range; all personnel and materials had to…

No two construction projects are the same. Each one is unique, just like the ground beneath it. It is essential to understand your groundwater risk potential before starting a construction project. We leveraged our 85 years of successful construction dewatering and groundwater management projects to design a one-of-a-kind tool to help you start planning your…

Project Location:  Houston, Texas Owner: Hines GC: The Gilbane Building Company Project Revenue: $100,000.00 Project Start and End Date: 2018 – 2019 SUMMARY: Construction of a 47-story skyscraper located in downtown Houston   The Challenge The construction of a 47-story skyscraper in downtown Houston required an excavation of significant depth (30+ feet) that was challenged…

Project Name: Gibson Generating Station Settling Pond Location: Owensville, Indiana Engineer: Burns & McDonnell Project Revenue: $7,717,023.00 The Challenge: Dewatering was necessary as the pond was built below the groundwater level and all CCR material had to be completely removed for clean closure of the pond. At times, the water table was higher than the…

Project Location: Omaha, Nebraska Owner: Omaha Airport Authority GC: Kiewit Engineer:  URS Corp & HDR Project Revenue:  $2.5 M Project Start and End Date: June 2011 – September 2011 THE CHALLENGE During the heavy rains in the Summer of 2011, the Eppley Airfield was nearly inoperable due to the Missouri River’s rising water levels. The…

Owner:  Ledcor Properties GC:  Buildgroup Engineer: CVC INC Project Time Period:  2019 Summary: Deep well dewatering & water treatment systems successfully provide drawdown of 35 ft. enabling the full depth of the 62 ft. deep excavation.   The Challenge When complete, the tower will stand as the tallest tower in the city of Long Beach.…

Project Name: Dewatering during Pipeline Repair Project Project Location: Vanduser, Missouri Owner: Enterprise Products GC: Enerpipe LTD Project Revenue: $66,450.00 Project Timeline: July 2018 Summary: Dewatering around an existing pipeline during a Pipeline Repair Project in Missouri. The Challenge: The contractor could not continue the pipeline repair project due to running into groundwater only 7 feet (ft.) below ground…