ASTM-D7703 › Standard Practice for Electrical Leak Location on Exposed Geomembranes Using the Water Lance Method
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1.1 This practice is a performance-based standard for an electrical method for locating leaks in exposed geomembranes. For clarity, this practice uses the term “leak” to mean holes, punctures, tears, knife cuts, seam defects, cracks, and similar breaches in an installed geomembrane (as defined in ).
1.2 This practice can be used for geomembranes installed in basins, ponds, tanks, ore and waste pads, landfill cells, landfill caps, canals, and other containment facilities. It is applicable for geomembranes made of materials such as polyethylene, polypropylene, polyvinyl chloride, chlorosulfonated polyethylene, bituminous geomembrane, and any other electrically insulating materials. This practice is best applicable for locating geomembrane leaks where the proper preparations have been made during the construction of the facility.
1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
arc testing method; bare geomembrane survey; damage; electrical leak detection method; electrical leak location; electrical leak location method; exposed geomembrane survey; geoelectric leak location; geomembrane; leak detection; leak location survey; leak survey; linear integrity survey; spark testing method; water lance method; water puddle method;; ICS Number Code 91.100.50 (Binders. Sealing materials)
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Jan. 15, 2016