1、Designation:D525515Standard Practice forCertification of Personnel Engaged in the Testing of Soiland Rock1This standard is issued under the fixed designation D5255;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revi
2、sion.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope*1.1 This practice provides a guide for evaluation and certi-fication procedures for personnel engaged in testing soil androck in accord
3、ance with ASTM test methods and is intendedfor use by independent organizations providing certificationservices.1.2 Qualifications for certification candidates,qualificationsof those administering the certification examinations,methodsof administering the certification tests,and certain certificatio
4、norganization operating requirements are given.1.3 Certification is specific to a singleASTM test method.Amonitored written examination and a monitored performanceexamination are normally required.NOTE1Personnel certification may be an important aspect of a qualitysystem as described in Practice D37
5、40.Certification of personnel is onemeans of meeting personnel qualifications given in Practice D3740.1.4 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and healt
6、h practices and determine the applica-bility of regulatory limitations prior to use.1.5 This practice offers a set of instructions for performingone or more specific operations.This document cannot replaceeducation or experience and should be used in conjunctionwith professional judgment.Not all asp
7、ects of this practice maybe applicable in all circumstances.This ASTM standard is notintended to represent or replace the standard of care by whichthe adequacy of a given professional service must be judged,nor should this document be applied without consideration ofa projects many unique aspects.Th
8、e word“Standard”in thetitle of this document means only that the document has beenapproved through the ASTM consensus process.2.Referenced Documents2.1 ASTM Standards:2D653 Terminology Relating to Soil,Rock,and ContainedFluidsD3740 Practice for Minimum Requirements for AgenciesEngaged in Testing and
9、/or Inspection of Soil and Rock asUsed in Engineering Design and Construction3.Terminology3.1 Definitions:3.1.1 For definitions of common technical terms,refer toTerminology D653.3.1.2 agencyan organization,or part of an organization,engaged in activities of technically oriented testing orinspection
10、,or both.3.1.3 inspectionthe process of measuring,examining,testing,gaging,or using other procedures to ascertain thequality or state,detect errors or defects or otherwise appraisematerials,products,services,systems,or environments to apre-established standard.3.1.4 testingthe determination by techn
11、ical means ofproperties,performance,or elements of materials,products,services,systems,or environments that may involve applica-tion of established scientific principles and procedures.3.2 Definitions of Terms Specific to This Standard:3.2.1 administratively independentall policy decisions re-lating
12、 to certification matters are the sole decision of thecertifying organization and not subject to approval by any otherbody and that all financial matters related to the operation ofthe certifying organization are segregated from those of theparent or affiliated organization.3.2.2 certificationan act
13、ion which determines and an-nounces that an individual has fulfilled the pre-established1This practice is under the jurisdiction of ASTM Committee D18 on Soil andRock and is the direct responsibility of Subcommittee D18.99 on Quality Control.Current edition approved May 1,2015.Published May 2015.Ori
14、ginallyapproved in 1992.Last previous edition approved in 2014 as D5255 14.DOI:10.1520/D5255-15.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Su
15、mmary page onthe ASTM website.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 requirements and is competent to perform the designatedtask(s)associated with a single ASTM tes
16、t method.3.2.3 certification organizationan independent body en-gaged in the evaluation and credentialing of the knowledge andabilities of individuals performing specified tasks.3.2.4 examineecertification applicant involved in the ex-amination process.3.2.5 examinera qualified professional who administersand evaluates the performance examination component of thecertification process.3.2.6 personnelemployees of inspection and testing agen-cies who perform soil and rock tests.3.2.7 proctorthe ind