1、Designation:F309517aStandard Practice forLaser Technologies for Direct Measurement of CrossSectional Shape of Pipeline and Conduit by Rotating LaserDiodes and CCTV Camera System1This standard is issued under the fixed designation F3095;the number immediately following the designation indicates the y
2、ear oforiginal adoption or,in the case of revision,the year of last revision.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 covers the procedure for the post installa-ti
3、on verification and acceptance of buried pipe deformationusing a visible rotating laser light diode(s),a pipeline andconduit inspection analog or digital CCTV camera system andimage processing software.The combination CCTV pipeinspection system,with cable distance counter or onboarddistance encoder,
4、rotating laser light diode(s)and ovalitymeasurement software shall be used to perform a pipe mea-surement and ovality confirmation survey,of new or existingpipelines and conduits as directed by the responsible contract-ing authority.This standard practice provides minimum re-quirements on means and
5、methods for laser profiling to meetthe needs of engineers,contractors,owners,regulatoryagencies,and financing institutions.1.2 This practice applies to all types of material,all types ofconstruction,or shape.1.3 This practice applies to gravity flow storm sewers,drains,sanitary sewers,and combined s
6、ewers with diametersfrom 6 to 72 in.(150 to 1800 mm).1.4 The Laser Light Diode(s)shall be tested,labeled andcertified to conform to US requirements for CDRH Class 2 orbelow(not considered to be hazardous)laser products orcertified to conform to EU requirements for Class 2M or belowlaser products as
7、per IEC 60825-1,or both.1.5 The profiling process may require physical access tolines,entry manholes and operations along roadways that mayinclude safety hazards.1.6 This practice includes inspection requirements for de-termining pipeline and conduit ovality only and does notinclude all the required
8、 components of a complete inspection.The user of this practice should consider additional itemsoutside this practice for inspection such as joint gapmeasurement,soil/waterinfiltration,crackandholemeasurement,surface damage evaluation,evaluation of anypipeline repairs,and corrosion evaluation.1.7 Thi
9、s standard practice does not address limitations inaccuracy due to improper lighting,dust,humidity,fog,mois-ture on pipe walls or horizontal/vertical offsets.Care should betaken to limit environmental factors in the pipeline that affectaccuracy of the inspection.1.8 The values stated in inch-pound u
10、nits are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.9 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibil
11、ity of the user of this standard to establish appro-priate safety,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.There are no safety hazards specifically,however,associatedwith the use of the laser profiler specified(listed and labeled assp
12、ecified in 1.3).1.10 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization Tech
13、nicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2E177 Practice for Use of the Terms Precision and Bias inASTM Test MethodsE691 Practice for Conducting an Interlaboratory Study toDetermine the Precision of a Test MethodF1216 Practice for Rehabilitation of Existing Pipeli
14、nes andConduits by the Inversion and Curing of a Resin-Impregnated Tube1This practice is under the jurisdiction of ASTM Committee F36 on Technologyand Underground Utilities and is the direct responsibility of Subcommittee F36.20on Inspection and Renewal of Water and Wastewater Infrastructure.Current
15、 edition approved Dec.1,2017.Published December 2017.Originallyapproved in 2014.Last previous edition approved in 2017 as F3095-17.DOI:10.1520/F3095-17A.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStanda
16、rds volume information,refer to the standards Document Summary 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 StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued