Ground Water & Product Recovery Trenches: Product Recovery – LNAPL – DNAPL DeWind’s flagship Service “The One-Pass Groundwater Recovery System” (also known as Ground Water Collection Trench or Seepage Trench). This complex multi-tasked One-Pass operation was developed by DeWind exclusively for installing DEEP groundwater and product recovery systems in HIGHLY contaminated soils with high water tables. DeWind One-Pass Trenchers are designed to set a large diameter steel sump casing, pre-connected to a horizontal slotted HDPE SDR 11 collection pipe. The sump is set and the horizontal pipe is installed on a precise grade while being backfilled with a wall of stone all the way to the surface. All this is done in a SINGLE simultaneous operation by the DeWind Trencher. One-Pass Technology avoids DEWATERING, PUMPING AND TREATING OF CONTAMINATED WATER, TRENCH SHORING OR SHEETING, DANGEROUS OPEN EXCAVATIONS, TONS OF CONTAMINATED SPOILS TO MANAGE! DeWind installations are fast and safe, unlike obsolete conventional installations. Ground Water Collection Trench Animation Details & Benefits: Trench Depths:0-50′ deep (deeper with grading) Trench Width:12″- 48″ wide Speed:Typically a 200-300 linear foot trench with sump can be installed in one day. Saftey:Continuous backfill eliminates dangerous open trenches Results:Superior performance in low-permeability soils. © 2012 Dewind. All Rights Reserved.Designed by Planted Meida

Contact Us Dewind One-Pass Trenching has a 100% installation success rate. Read more about our previous jobs on our CLIENTS PAGE, and be sure to check out our TESTIMONIALS from previous clients including: THE US NAVY / ARMY & AIRFORCE, SHELL OIL COMPANY, UNIVERSAL STUDIOS FL, DOW CHEMICAL, CSX RAILROAD, AIROJET, UNION PACIFIC RAILROAD, and more! All of the DeWind Trenchers, equipment and attachments are built at the DeWind fabricating facility in Holland Michigan. A full time staff of highly skilled mechanics, welders and machinists work under Gregs direction on various custom building projects year around. Administrative Office & Contact Info 9150 96th Street Zeeland, Michigan 49464 616-875-7580 FAX: 616-875-7334 Email: dewind@iserv.net Find Us Here View Larger Map © 2012 Dewind. All Rights Reserved.Designed by Planted Meida