ASTM D2321-04e1

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An American National Standard
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Designation: D 2321 – 04
Standard Practice for
Underground Installation of Thermoplastic Pipe for Sewers
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and Other Gravity-Flow Applications
This standard is issued under the fixed designation D 2321; 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 (e) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
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e NOTE—Figure X1.2 was editorially corrected in April 2005.
1. Scope responsibility of the user of this standard to establish appro-
priate safety and health practices and determine the applica-
1.1 This practice provides recommendations for the instal-
bility of regulatory limitations prior to use.
lation of buried thermoplastic pipe used in sewers and other
gravity-flow applications. These recommendations are in-
2. Referenced Documents
tended to ensure a stable underground environment for ther-
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2.1 ASTM Standards:
moplastic pipe under a wide range of service conditions.
D8 Terminology Relating to Materials for Roads and Pave-
However, because of the numerous flexible plastic pipe prod-
ments
ucts available and the inherent variability of natural ground
D 653 Terminology Relating to Soil, Rock, and Contained
conditions, achieving satisfactory performance of any one
Fluids
product may require modification to provisions contained
D 698 Test Methods for Laboratory Compaction Character-
herein to meet specific project requirements.
istics of Soil Using Standard Effort (12,400 ft-lbf/ft (600
1.2 The scope of this practice necessarily excludes product
kN-m/m))
performance criteria such as minimum pipe stiffness, maxi-
D 2487 Test Method for Classification of Soils for Engi-
mum service deflection, or long term strength. Thus, it is
neering Purposes (Unified Soil Classification System)
incumbent upon the product manufacturer, specifier, or project
D 2488 Practice for Description and Identification of Soils
engineer to verify and assure that the pipe specified for an
(Visual-Manual Procedure)
intended application, when installed according to procedures
D 3839 Practice for Underground Installation of Fiberglass
outlined in this practice, will provide a long term, satisfactory
(Glass-Fiber Reinforced Thermosetting Resin) Pipe
performance according to criteria established for that applica-
D 4318 Test Method for Liquid Limit, Plastic Limit, and
tion. A commentary on factors important in achieving a
Plasticity Index of Soils
satisfactory installation is included in Appendix X1.
F 412 Terminology Relating to Plastic Piping Systems
NOTE 1—Specific paragraphs in the appendix are referenced in the
body of this practice for informational purposes.
3. Terminology
NOTE 2—The following ASTM standards may be found useful in
3.1 General—Definitions used in this practice are in accor-
connection with this practice: Practice D 420, Test Method D 1556,
dance with Terminologies F 412 and D 8 and Terminology
Method D 2216, Specification D 2235,Test Method D 2412, Specification
D 653 unless otherwise indicated.
D 2564, Practice D 2657, Practice D 2855, Test Methods D 2922, Test
Method D 3017, Practice F 402, Specification F 477, Specification F 545, 3.2 Definitions of Terms Specific to This Standard:
and Specification F 913.
3.2.1 foundation, bedding, haunching, initial backfill, final
NOTE 3—Most Plumbing Codes and some Building Codes have provi-
backfill, pipe zone, excavated trench width—See Fig. 1 for
sions for the installation of underground “building drains and building
meaning and limits, and trench terminology.
sewers.” See them for plumbing piping applications.
3.2.2 aggregate—a granular material of mineral composi-
1.3 This standard does not purport to address all of the
tion such as sand, gravel, shell, slag or crushed stone (see
safety concerns, if any, associated with its use. It is the
TerminologyD8).
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This practice is under the jurisdiction of ASTM Committee F17 on Plastic
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Piping Systems and is the direct responsibility of Subcommittee F17.62 on Sewer For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Pipe. contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Current edition approved Dec. 1, 2004. Published January 2005. Originally Standards volume information, refer to the standard’s Document Summary page on
approved in 1989. Last previous edition approved in 2000 as D 2321 – 00. the ASTM website.
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D 2321 – 04
5. Materials
5.1 Classification—Materi
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