Geosynthetic clay liner definition

Geosynthetic clay liner. (GCL) means a low-permeability manufactured material consisting of a layer of low permeability clay placed between two geotextiles.
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Geosynthetic clay liner or “GCL” means a factory-manufactured hydraulic barrier consisting of a layer of bentonite or other very low permeability material supported by geotextiles and/or geomembranes, and mechanically held together by needling, stitching, or chemical adhesives.
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Examples of Geosynthetic clay liner in a sentence

  • The dumpsite is to be closed by placement of a top cover which consists of the following: ▪ Supply & installation of Geo-synthetic clay liner as per given specifications, complete to form an impervious barrier.

  • No change.7. Geosynthetic clay liner (GCL) specifications including handling and placement, conformance testing, seams and overlaps, repair, and placement of soil materials and any overlying materials.(f) Standards for soil liner components.1. Soil components of liners systems shall be constructed to preclude, to the greatest extent practicable, lenses, cracks, channels, root holes, pipes, or other structural inconsistencies that can increase the saturated hydraulic conductivity of the soil component.

  • Each pair shall be drawn up a little at a time until all bolts are uniformly tight.120.5.12 – Bentomat® CL Geosynthetic Clay LinerThe Contractor shall install Bentomat® CL Geosynthetic clay liner around pipe and fittings as shown on the drawings or as directed by Engineer per Construction Standard 1.11.3. Section 120.6 – Installation of Ductile Iron (D.I.) Pipe 120.6.1 – Installation of Ductile Iron Push Joint (D.I.P.J.) Pipe 120.6.1.1 – General Joint AssemblyClean mating surfaces (bell and spigot).

  • For the sideslope areas the liner system consists of the following components from top to bottom: Operations layer; 80-mil HDPE geomembrane; Geosynthetic clay liner and Prepared subgrade.

  • Geosynthetic clay liner (GCL) penetration details should also be as recommended by the GCL manufacturer.

  • All necessary protected species licences have been identified [REP3-054] and will applied for at the appropriate time.

  • Geosynthetic clay liner (GCL) is often used as a mechan- ical and hydraulic barrier to ensure both safety of the de- sign (e.g. in slopes) and prevention of leakage of chemi- cal and hazardous substances and fluid into environment.

  • A sound level measurement that corresponds to the portion of the sound frequency spectrum to which the human ear is most sensitive.DSEIS – Draft Supplemental Environmental Impact Statement EAF – Environmental Assessment Form FSEIS – Final Supplemental Environmental Impact Statement GCL – Geosynthetic clay liner gpad – Gallons per acre per day Greenfield Site – A landfill in a new, relatively undisturbed location.

  • Disclosure to complainants FERPA regulations prohibit the release of names and of information regarding conduct proceedings without the written permission of the student(s) involved.

  • The barrier system (Class B) for the rubble disposal cell is as follows, from the bottom upwards: • In situ material compacted in 300 mm layers to 98% Proctor Density; • 150 mm layer of screened norite (ripped and recompacted); • Geosynthetic clay liner (specification as for waste cells above); • 2 mm HDPE geomembrane; • 1000 g/m2 non-woven geotextile; • 150 mm drainage layer of washed 38 to 50 mm stone; • 750 g/m2 non-woven geotextile; • 300 mm pioneering layer of fine waste rock spoil material.

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