liner installation Articles

  • Federal motorway A6 Mannheim-Heilbronn case study

    Stable RiStWag -construction guidelines for roadways in water preservation areas Included in the A6 federal motorway construction project lot Mannheim – Heilbronn/Weinsberg, AS Bad Rappenau – AS Neckarsulm is the widening of km 631+640 and km 641+060 to six lanes. This section is runs through a water preservation zone, type IIIa, protected under RiStWag. Because of this, a ...


    By NAUE GmbH & Co.KG

  • Canal sealing with Bentofix case study

    After the first pilot project installation of a geosynthetic clay liner (GCL) in a 1 km long section of the Havel-Oder-Waterway in 1997/98, approved by the local German Water and Ship Authority a second project followed shortly after. In a 500 m long section of the Dortmund-Ems-Canal a newly developed innovative GCL was installed under water. The installed GCL was Bentofix BZ 13-B, a ...


    By NAUE GmbH & Co.KG

  • Replacement of Two Separator /Absorber Units at an Acid Regeneration Plant

    If professional engineers were asked to define a perfect world, their answer would no doubt include projects that were blessed with a clear and precise description of the requirements, a viable schedule, availability of materials, and a reasonable amount of design freedom. Of course there is no perfect world, so engineers must work with restrictions that vary from difficult to almost impossible. ...


    By Fabricated Plastics Limited

  • Measuring carbon dioxide (CO2) along ocean surfaces case study

    Customer: Confidential Application: A research team needed to study the levels and variations of one of the major greenhouse gases, carbon dioxide (CO2) along the ocean surfaces. The research team required CO2 analysers to be installed in commercial ocean liners to monitor the “dry” level of ...


    By Ecotech Pty Ltd

  • Why and When You Need Secondary Containment

    Implementing secondary storage solutions by providing environmental and pollution solutions can further midigate potential risk to the environment. The world is a precious resource. By using smart storage solutions and sound secondary containment measures, we can protect and preserve the environment. Such solutions are “preventative”. Low-cost secondary containment measures are very ...


    By ModuTank Inc.

  • First use of a GCL in a copper heap leach pad

    PROJECT: Carlota Copper Mine Heap Leach Pad LOCATION: Globe Miami, AZ PRODUCTS: BENTOMAT® DN BACKGROUND: The Carlota Copper mine is an open-pit copper mine located approximately six miles west of Miami, Arizona. The site produces LME grade copper cathode through the process of heap leaching, in which a chemical solution ...


    By CETCO

  • Environmental protection with Bentofix case study

    The project had been discussed for more than 40 years before the three-laned road (width 11.50m) was finally constructed in 2002. The required water protection measurement was performed in four working steps according to the planning of the designing office Misera in Freiburg: A 10cm thick sand layer was installed over the prepared subgrade A needlepunched geosynthetic clay liner ...


    By NAUE GmbH & Co.KG

  • Relining with corrugated steel pipe, Mississauga, ON

    Owner: Ministry of Transportation, Ontario Consultant: Morrison Hershfield Contractor: Underground Services Limited Location: Mississauga, Ontario With over 320,000 vehicles per day the intersection of Highways 401, 403 and 410 in Mississauga, Ontario, is one of the busiest in North America. At the same location can be ...


    By Armtec

  • Radius Systems’ bespoke engineered PE Systems bring cost savings and environmental benefits to water customers

    Radius Systems are currently supplying innovative pipeline solutions for two large diameter water projects: a new hydro electricity scheme in Gerlan, North Wales and the rehabilitation of a large diameter pipeline in the Severn Trent Water area. Working together with the Derwent Hydro project team to develop an optimised system for the new hydro electricity pipeline in Gerlan, Radius Systems are ...


    By Water Active Ltd

  • DHL logistics campus ground water protection case study

    When the massive logistics campus in Unna begins operations in the near future, it will change the face of the region. Approx. 350 people will be working in the massive 90,000 square meter hall helping two million pallets annually get to their proper destination. The facility requires proper safeguards especially with regards to chemical materials. The leading international logistics company DHL ...


    By NAUE GmbH & Co.KG

  • In-situ stabilization of contaminated sediments at former pesticide facility case study

    Project: West Doane Lake Location: Portland, OR Products: Organoclay® Organic Adsorption Media, Bentomat® ST Geosynthetic Clay Liner Background: Clean-up action was approved by the DEQ for contaminated sediments in West Doane Lake at the former Rhone Poulenc pesticide manufacturing facilitysite located in Northwest ...


    By CETCO

  • The Langer Connection

    The call came from a Kennedy township homeowner that the smell of raw sewage was in the air and they were tired of the smell. Dave Gasparovich went out and started walking the very hilly area (15% grade or more) in search of the culprit. What he found was incredible, incredibly bad. The 12 manholes he discovered in the woods had been installed in the late 70’s and were connected with clay pipe. ...


    By A-Lok Products, Inc.

  • Rotomite-6000-CD Dredge System - US Copper Mine-case study

    SRS Crisafulli's Integrated Product Solutions - To remove water, soft and abrasive material, sludges, and slurries from Industrial, Municipal, Agricultural, and Government Lagoons, Ponds, Lakes, Canals, and flooded and flood threatened areas. And to irrigate farms and ranches. Dredge Rentals. Many customers rent Crisafulli’s Rotomite and FLUMP dredges on ...


    By SRS Crisafulli, Inc.

  • A1(M) Structure Drainage

    Welwyn still requiring improvement to be brought up to motorway standard was the section between Rocstock and Stanborough. The aim here was to find an acceptable solution to a difficult problem, which would overcome the conflicting demands of highway, environment and local needs. The scheme chosen included, on environmental grounds, a 1150 metre long tunnel and in so doing created a redevelopment ...

  • Asarco Plant site remediation case study

    Asarco, Inc. Omaha, Nebraska, USA For more than a century, the former American Smelting and Refining Company (Asarco) operated a lead refinery on the banks of the Missouri River in Omaha, Nebraska. Plant closure in 1997 presented an opportunity to reclaim the riverfront as public space. Led by HDR, this successful transformation became the largest voluntary clean up ...


  • Impact of artificial monolayer application on stored water quality at the air–water interface

    Evaporation mitigation has the potential to significantly improve water use efficiency, with repeat applications of artificial monolayer formulations the most cost-effective strategy for large water storages. Field investigations of the impact of artificial monolayers on water quality have been limited by wind and wave turbulence, and beaching. Two suspended covers differing in permeability to ...


    By IWA Publishing

  • FGD Recycle Pipe & Header - Case Study

    Project: FGD RECYCLE PIPE & HEADER Client: A U.S. coal-fired power plant General Scope: 76” diameter recycle pipe system Engineering/Procurement: Advatech LLC. Resin & Laminate Construction: Hetron 922 vinyl ester was selected for the service. All pipe had an interior ...


    By Fibrex Corporation

  • Impact of artificial monolayer application on stored water quality at the air–water interface

    Evaporation mitigation has the potential to significantly improve water use efficiency, with repeat applications of artificial monolayer formulations the most cost-effective strategy for large water storages. Field investigations of the impact of artificial monolayers on water quality have been limited by wind and wave turbulence, and beaching. Two suspended covers differing in permeability to ...


    By IWA Publishing

  • Empire landfill, Taylor, Pennsylvania - Case Study

    Empire Landfill in Taylor, PA is situated on a 600-acre site, with 203 acres currently under permit for waste disposal. In anticipant of current and future environmental concerns, the management of Empire Landfill, Inc. has ensured that the landfill exceeds today’s design and operational guidelines. Empire Landfill features double-lined cells, with a “geosynthetic sandwich” of ...


    By Presto Geosystems

  • Capping of black devon landfill, Alloa, Scotland case study

    The area of contention was Black Devon, a pre legislative landfill of the old „dig and dump“ variety on the banks of the river Forth, outside of Alloa, Scotland. Alloa is situated at the foot of the stunning Ochill Hills in the county of Clackmannanshire and is close to the port of Grangemouth. The landfill had been accepting wastes over many years from neighbouring industries ...


    By NAUE GmbH & Co.KG

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