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Book Design and Construction of Deep Groundwater Monitoring Wells

Download or read book Design and Construction of Deep Groundwater Monitoring Wells written by LD. Beard and published by . This book was released on 1992 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: Deep groundwater monitoring wells for the Colbert Landfill Superfund Project in Spokane County, Washington were constructed using 6.4-cm (2.5-in.) diameter Polyvinylchloride (PVC) well casing, instead of 5.1-cm (2.0-in.) diameter casing, to provide additional strength and a larger inner well diameter for groundwater sampling equipment. Two well screen/filter pack combinations were used to provide the convenience of preconstruction purchase of well construction materials, and the flexibility to adjust the well intake design for site-specific hydrogeologic conditions. High percent-solids bentonite grout was used for the annular seal in lieu of a bentonite pellet seal to avoid material bridging during installation. Well casing alignment was maintained by applying a tensile force to the casing during the placement of annular fill materials rather than using casing centralizers. Also, threaded temporary steel casing was used for borehole support (versus welded temporary steel casing) to reduce boring and installation time and expense. This monitoring well design and construction approach maintained construction quality standards and resulted in significant cost savings by eliminating common deep well construction problems.

Book Current Practices in Ground Water and Vadose Zone Investigations

Download or read book Current Practices in Ground Water and Vadose Zone Investigations written by David Nielsen and published by ASTM International. This book was released on 1992 with total page 429 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Water Wells and Boreholes

    Water Wells and Boreholes

    Book Details:
  • Author : Bruce Misstear
  • Publisher : John Wiley & Sons
  • Release : 2007-01-11
  • ISBN : 9780470031339
  • Pages : 517 pages

Download or read book Water Wells and Boreholes written by Bruce Misstear and published by John Wiley & Sons. This book was released on 2007-01-11 with total page 517 pages. Available in PDF, EPUB and Kindle. Book excerpt: Water Wells and Boreholes provides the necessary scientificbackground together with practical advice using global casestudies, in an accessible easy to use style suitable for bothpostgraduates/researchers and practitioners. The book begins with an introduction to the type and uses ofwater wells from water supply and irrigation through to groundwaterremediation. It then covers well siting detailing how to sourcedata from geophysical surveys, remote sensing etc. Well design isthen summarised to ensure the well is stable and cost-effective.The book ends with three chapters covering well construction, welltesting and well performance, maintenance and rehabilitation.

Book Hydraulics of Wells

    Hydraulics of Wells

    Book Details:
  • Author : Environmental and Water Resources Institute (U.S.). Task Committee on Hydraulics of Wells
  • Publisher :
  • Release : 2014
  • ISBN : 9780784412732
  • Pages : 0 pages

Download or read book Hydraulics of Wells written by Environmental and Water Resources Institute (U.S.). Task Committee on Hydraulics of Wells and published by . This book was released on 2014 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: MOP 127 guides hydraulic engineers and designers through the process of planning, designing, installing, maintaining, and troubleshooting water-well systems.

Book Water Well Design and Construction

Download or read book Water Well Design and Construction written by and published by UCANR Publications. This book was released on 2003 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is reference sheet 11.3 in the Farm Water Quality Planning series.

Book Water Wells

Download or read book Water Wells written by Michel Detay and published by . This book was released on 1997 with total page 412 pages. Available in PDF, EPUB and Kindle. Book excerpt: Brings together material essential for the understanding and application of techniques used in relation to water wells. Emphasizes field-based trials & effective implementation, presents basic concepts of hydrogeology and explains the fundamentals of subsurface hydraulics. Also covers the main exploration methods used in hydrogeology, the criteria for developing groundwater resources & the main principles of water chemistry, while giving a detailed description of the various drilling techniques & each stage in the design and construction of wdater wells. Describes database management tools for monitoring and storing information.

Book Plans and Practices for Groundwater Protection at the Los Alamos National Laboratory

Download or read book Plans and Practices for Groundwater Protection at the Los Alamos National Laboratory written by National Research Council and published by National Academies Press. This book was released on 2007-10-18 with total page 104 pages. Available in PDF, EPUB and Kindle. Book excerpt: The world's first nuclear bomb was a developed in 1954 at a site near the town of Los Alamos, New Mexico. Designated as the Los Alamos National Laboratory (LANL) in 1981, the 40-square-mile site is today operated by Log Alamos National Security LLC under contract to the National Nuclear Security Administration (NNSA) of the U.S. Department of Energy (DOE). Like other sites in the nation's nuclear weapons complex, the LANL site harbors a legacy of radioactive waste and environmental contamination. Radioactive materials and chemical contaminants have been detected in some portions of the groundwater beneath the site. Under authority of the U.S. Environmental Protection Agency, the State of New Mexico regulates protection of its water resources through the New Mexico Environment Department (NMED). In 1995 NMED found LANL's groundwater monitoring program to be inadequate. Consequently LANL conducted a detailed workplan to characterize the site's hydrogeology in order to develop an effective monitoring program. The study described in Plans and Practices for Groundwater Protection at the Los Alamos National Laboratory: Final Report was initially requested by NNSA, which turned to the National Academies for technical advice and recommendations regarding several aspects of LANL's groundwater protection program. The DOE Office of Environmental Management funded the study. The study came approximately at the juncture between completion of LANL's hydrogeologic workplan and initial development of a sitewide monitoring plan.

Book Monitoring Well Design and Construction for Hydrogeologic Characterization

Download or read book Monitoring Well Design and Construction for Hydrogeologic Characterization written by California Environmental Protection Agency and published by . This book was released on 1994 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Book Siting and Constructing Very Deep Monitoring Wells on the US Department of Energys Nevada Test Site

Download or read book Siting and Constructing Very Deep Monitoring Wells on the US Department of Energys Nevada Test Site written by and published by . This book was released on 1991 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many aspects of the Nevada Test Sites̀ (NTS) hydrogeologic setting restrict the use of traditional methods for the siting and construction of ground-water characterization and monitoring wells. The size of the NTS precludes establishing high-density networks of characterization wells, as are typically used at smaller sites. The geologic complexity and variability of the NTS requires that the wells be criticality situated. The hydrogeologic complexity requires that each well provide access to many aquifers. Depths to ground water on the NTS require the construction of wells averaging approximately 1000 meters in depth. Wells meeting these criteria are uncommon in the ground-water industry, therefore techniques used by petroleum engineers are being employed to solve certain siting-, design- and installation-related problems. To date, one focus has been on developing completion strings that facilitate routine and efficient ground-water sampling from multiple intervals in a single well. The method currently advocated employs a new design of sliding side door sleeve that is actuated by an electrically operated hydraulic shifting tool. Stemming of the wells is being accomplished with standard materials (cement based grouts and sands); however, new stemming methods are being developed, to accommodate the greater depths, to minimize pH-related problems caused by the use of cements, to enhance the integrity of the inter-zone seals, and to improve the representativeness of radionuclide analyses performed on ground-water samples. Bench-scale experiments have been used to investigate the properties of more than a dozen epoxy-aggregate grout mixtures -- materials that are commonly used in underwater sealing applications.