ASTM F3220-17

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation: F3220 − 17
Standard Practice for
Prioritizing Sewer Pipe Cleaning Operations by Using
1
Transmissive Acoustic Inspection
This standard is issued under the fixed designation F3220; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 1.7 The values stated in inch-pound units are to be regarded
as standard. The values given in parentheses are mathematical
1.1 This practice covers procedures for assessing the block-
conversions to SI units that are provided for information only
age within gravity-fed sewer pipes using transmissive acoustics
2 and are not considered standard.
for the purpose of prioritizing sewer pipe cleaning operations.
1.8 This standard does not purport to address all of the
The assessment is based on an acoustic receiver measuring the
safety concerns, if any, associated with its use. It is the
acoustic plane wave transmitted through the pipe segment
responsibility of the user of this standard to establish appro-
under test in order to evaluate the blockage condition of an
priate safety and health practices and determine the applica-
entire segment and to provide an onsite assessment of the
3
bility of regulatory limitations prior to use.
blockage within the pipe segment. (1, 2, 3, 4, 5)
1.9 This international standard was developed in accor-
1.2 The scope of this practice covers the use of the trans-
dance with internationally recognized principles on standard-
missive acoustic inspection as a screening tool. The blockage
ization established in the Decision on Principles for the
assessment provided by the acoustic inspection should be used
Development of International Standards, Guides and Recom-
to identify and prioritize pipe segments requiring further
mendations issued by the World Trade Organization Technical
maintenance action such as cleaning or visual inspection, or
Barriers to Trade (TBT) Committee.
both. Thereby, also identifying the pipe segments which are
sufficiently clean and do not require additional maintenance
2. Terminology
action.
2.1 Definitions:
1.3 This standard practice does not address structural issues
2.1.1 authority, n—party responsible for the generation and
with the pipe wall.
verification of performance to job specification(s) and contract
requirements.
1.4 The inspection process requires access to the manhole
(MH) from ground level. It does not require physical access to 2.1.2 blockage assessment, n—the aggregate blockage
the sewer line by either the equipment or the operator. within a pipe segment between two adjacent MHs.
2.1.3 closed circuit television (CCTV), n—a closed circuit
1.5 This standard practice applies to all types of pipe
pipeline inspection television system including a camera,
material.
camera transporter, integrated lighting, central control system,
1.6 The inspection process requires access to sewers and
video monitor, and recording device.
operations along roadways or other locations that are safety
2.1.4 coordinated universal time (UTC), n—is the primary
hazards. This standard does not describe the hazards likely to
international time standard for regulating clocks and time.
be encountered or the safety procedures that must be carried
out when operating in these hazardous environments.
2.1.5 geographic information system (GIS), n—system de-
signed to capture, store, manipulate, analyze, manage, and
present all types of spatial or geographical data.
1
This practice is under the jurisdiction of ASTM Committee F36 on Technology
2.1.6 global position system (GPS), n—space-based naviga-
and Underground Utilities and is the direct responsibility of Subcommittee F36.20
tion system that provides location and time information any-
on Inspection and Renewal of Water and Wastewater Infrastructure.
where on or near the earth where there is an unobstructed line
Current edition approved April 1, 2017. Published May 2017. DOI: 10.1520/
F3220-17. of sight to four or more GPS satellites.
2
The transmissive acoustic inspection is covered by Patent US8220484B2.
2.1.7 manhole (MH), n—vertical shafts intersecting a sewer
Interested parties are invited to submit information regarding the identification of an
that allows entry to the sewer for cleaning, inspection, and
alternative(s) to this patented item to the ASTM International Headquarters. Your
comments will receive careful consideration at a meeting of the responsible
maintenance.
technical committee, which you may attend.
3 2.1.8 pipe segment, n—the section of a sewer line between
The boldface numbers in parentheses refer to a list of references at the end of
this standard. two a
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