Standard Practice for Continuity Verification of Liquid or Sheet Linings Applied to Concrete Substrates

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

09-01-2018

Publisher

American Society for Testing and Materials

1.1This practice covers procedures that may be used to allow the detection of discontinuities in nonconductive linings or other non-conductive coatings applied to concrete substrates.

1.2Discontinuities may include pinholes, internal voids, holidays, cracks, and conductive inclusions.

1.3This practice describes detection of discontinuities utilizing a high voltage spark tester using either pulsed or continuous dc voltage.

Note 1:For further information on discontinuity testing refer to NACE Standard SP0188-2006 or Practice D5162.

1.4This practice describes procedures both with and without the use of a conductive underlayment.

1.5The values stated in SI units are to be regarded as standard. The values given in parentheses are for information only.

1.6This 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. For a specific hazard statement, see Section 7.

1.7This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Committee	D 01
DocumentType	Standard Practice
Pages	5
PublisherName	American Society for Testing and Materials
Status	Current
Supersedes	ASTM D 4787 : 2013 ASTM D 4787 : 2013

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ASTM G 62 : 2014	Standard Test Methods for Holiday Detection in Pipeline Coatings
ASTM D 5162 : 2000	Standard Practice for Discontinuity (Holiday) Testing of Nonconductive Protective Coating on Metallic Substrates