Dewatering services Articles

  • Dam Removal- Case Study

    The Tait Station Low Head Dam located in the Great Miami River in downtown Dayton, Ohio was constructed in 1935 to supply cooling water as part of coal-fired electric generating power plant (Tait Station).  To increase recreational use, riverfront revitalization and eco-tourism ERC was hired to remove the 83-year-old dam which was constructed of reinforced concrete with flashboards.  It ...

  • Hydrogeologic and Geochemistry Support for Open Pit and Underground Mining at Ernest Henry Mine - Case Study

    Project Description The Ernest Henry Mine is a large open pit copper mine with deeper mineralization that was targeted for underground mining. A Feasibility Study (FS) was conducted to evaluate the potential for mining of the underground component by sublevel‐caving methods. The FS required the consideration of groundwater, including an evaluation of the expected inflows to the ...


    By Itasca International, Inc

  • Dynamic Soil Structure Interaction Analyses of North Shore Pump Station - Case Study

    Project Description Located near Fisherman’s Wharf in San Francisco, North Shore Pump Station is a part of the North Point Wet-Weather Facility (NPF), which provides primary treatment for disinfection of wastewater. The facility is a two-story building that is completely embedded in soil, and the subsurface conditions include potentially liquefiable sand layers and soft Bay Mud ...


    By Itasca International, Inc

  • The Economic Challenges of Dewatering at the Victor Diamond Mine in Northern Ontario, Canada

    Abstract: The challenges of mining economically have never been greater than under current global financial conditions. The costs and efficiency of dewatering are particularly important at De Beers Canada’s Victor diamond mine in northern Ontario where: the bottom of the water-bearing carbonate country rocks is near the bottom of the planned pit, limiting the ...


    By Itasca International, Inc

  • Numerical Evaluation of Effectiveness of Drainwells in Dewatering Overburden at Surface Coal Mines

    Abstract: Typical sedimentary sequences overlying coal seams consist of interbedded sandstones, siltstones, shales, and rider coal seams. In many surface coal mine settings, these sediments are saturated; and prior dewatering of them is necessary for effective and economic mining, including the stacking of saturated spoils. Such sedimentary sections usually have a very low vertical ...


    By Itasca International, Inc

  • Mine Dewatering in a Compartmentalized Hydrogeologic Setting at Sishen Mine in South Africa

    Abstract: Sishen mine in South Africa is one of the largest open-pit iron mines in the world. It is characterized by a complex, compartmentalized hydrogeologic setting that comprised numerous dykes, regional water-bearing faults, and inter-bedded localized geologic units. The groundwater flow in the vicinity is mainly controlled by regional dykes and faults in a karst aquifer. A 3-D ...


    By Itasca International, Inc

  • Karowe Mine Groundwater Flow Model and Predictive Dewatering Simulations - Case Study

    Project Description Karowe Mine, located approximately 16 kilometers (km) southwest of the town of Letlhakane, is a diamond mine where the second largest diamond ever found on record, with a weight of 1,111 carats, was discovered. This project involved simulating mine dewatering and excavation to evaluate future dewatering requirements, as well as providing guidance for future monitoring ...


    By Itasca International, Inc

  • Bee Branch Creek Restoration Project - Case Study

    Project Location: Dubuque, Iowa Owner: Upper Bee Branch Creek-Channel, Streets, and Utilities GC: Tschiggfrie Excavating Project Revenue: 200,000,000 Project Start and End Date: July 2015 SUMMARY The City of Dubuque’s Bee Branch Creek Restoration Project was awarded a 2018 Eddy Award. The ...

  • Mill Hose

    Mill discharge hose is rubber lined and  jacketed hose,  which is economical and easy to handle. The jacket shall be evenly and firmly woven and free from visible defects, thread knots, lumps and irregularities of twist. The warp will consist of high strength staple(spun)polyester yarns. The weft  will be high strength ,low elongation ...


    By Suzhou Seapeak Co., Ltd.

  • Low-Head Dam Removal; Dayton, Ohio - Case study

    The Tait Station Low Head Dam located in the Great Miami River in downtown Dayton, Ohio was constructed in 1935 to supply cooling water as part of coal-fired electric generating power plant (Tait Station). To increase recreational use, riverfront revitalization and eco-tourism Environmental Remediation Contractor was hired to remove the 83-year-old 569′ long low-head dam which was ...

  • Rotary drum vacuum filters for production of wallboard-grade gypsum

    ABSTRACT Conventional wisdom is that production of wallboard-grade FGD gypsum requires the use of horizontal belt vacuum filters for dewatering service, to limit cake moisture to 10% or less. New Brunswick Power initially planned to use HBVFs for gypsum dewatering for the FGD retrofit to its 3 x 350 MW Coleson Cove plant. However, project budget constraints led to cost reduction ...


    By Komline-Sanderson

  • BA150E pumps on a large sewer bypass in Greenville, SC

    Renewable Water Resources has initiated a large sewer bypass project in the Richland Creek area of downtown Greenville that will allow for necessary increased sewer capacity. This project includes the construction of 14,000 linear feet of new ductile iron gravity trunk sewer. Ruby Collins, Inc. was awarded for temporary bypassing and dewatering of sewers during this comprehensive project. ...


    By BBA Pumps North America Inc.

  • The world watches as evides manages steel main with innovative technology, and outstanding results follow

    It was a perfect day for an inspection. Under a crisp blue sky, in the polders along a major motorway near Rotterdam, more than 40 water professionals from The Netherlands, Australia and the UK gathered to witness a unique project undertaken by the water utility Evides Watercompany. The purpose of the project was to showcase the 24-sensor ...

  • Ping-ping, what’s that sound? Acoustic fiber optic technology helps identify problematic water mains

    With the deteriorating state of many aging water mains found in cities across North America, urbanites are frequently witnessing unexpected plumes of water erupt as man-made geysers in their own metropolitan backyards. While natural geysers are awe inspiring, urban geysers are much less so, due to their destruction to property, roads and the environment. Because an uninterrupted water flow is the ...

  • Ping-Ping, What’s That Sound? Acoustic Fiber Optic Technology Helps Identify Problematic Water Mains

    With the deteriorating state of many aging water mains found in cities across North America, urbanites are frequently witnessing unexpected plumes of water erupt as man-made geysers in their own metropolitan backyards. While natural geysers are awe inspiring, urban geysers are much less so, due to their destruction to property, roads and the environment. Because an uninterrupted water flow is the ...

  • A review on sludge dewatering indices

    Dewatering of sludge from sewage treatment plants is proving to be a significant challenge due to the large amounts of residual sludges generated annually. In recent years, research and development have focused on improving the dewatering process in order to reduce subsequent costs of sludge management and transport. To achieve this goal, it is necessary to establish reliable indices that ...


    By IWA Publishing

  • Dredging Contractor Using Rotomite 6000-case study

    Customer: Georgia Dredging And Dewatering/Eco-Vac Contacts: Jay Matthews and David Grapengeter Type of Facility: Environmental services & turnkey dredging & dewatering services Georgia Dredging and Dewatering developed out of the need to provide contract services other than those previously provided by vacuuming and ...


    By SRS Crisafulli, Inc.

  • Woodstock WWTP Town of Woodstock, VA

    The Town of Woodstock was hauling liquid sludge to a regional plant which was having difficulty handling the high solids loading to their own plant. Woodstock needed of a temporary dewatering solution and decided to control their destiny by purchasing or renting dewatering equipment. With a growing town and an upcoming facility expansion, the plant had no building for equipment and decided that a ...


    By BDP Industries

  • Mobile Water Treatment Trailer

    Carbonair’s mobile water treatment trailer is a perfect fit for a variety of temporary water treatment applications including construction dewatering, groundwater remediation, underground storage tank replacement and pipeline hydrostatic test water treatment.The system consists of four custom designed Carbonair MPC28 Filter Vessels with special internal piping, preceded by a dual ...

  • Gas Station Site Dewatering Treatment

    Gas Station Site Dewatering Treatment Florida Carbonair provided a turn-key temporary water treatment system for this project.  A Carbonair field crew mobilized, set up, and trained the clients operators of the system to operate the system. At the conclusion of the project Carbonair provided demobilization services including the extraction and disposal of ...

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