ASTM F449-02e1

Standard Practice for Subsurface Installation of Corrugated Polyethylene Pipe for Agricultural Drainage or Water Table Control

ABSTRACT
This practice covers the procedures for subsurface installation of corrugated polyethylene pipe, in accordance with the flexible conduit principles, intended for agricultural drainage or water table control. It is not however recommended for sanitary and storm sewer applications. General requirements for installation include: maximum and minimum burial depth; trench width; design of blinding, bedding, or envelope materials that are to be placed as the pipe is installed to ensure uniform continuous support; and granular or synthetic filters that are used to restrict the movement of particles into the pipe so as to maintain its hydraulic capacity. The pipe shall be aligned as smooth as possible with a curve radius larger than five times the pipe diameter while the backfill material shall be placed preferably on an angle to prevent pipe displacement or deflection. Stony trenches shall be avoided and any over-excavation or rock excavation shall be treated with proper bedding material. Factors that affect the proper handling of the pipe such as temperature; stretch caused by tension and bending forces; synthetic envelopes and filters that are subject to abrasion and tearing; and protection from fire hazards, livestock, heavy wheel traffic, and rodents or other animals shall also be considered during installation.
SCOPE
1.1 This practice is recommended for and limited to gravity flow subsurface drainage systems or water table control, but not recommended for sanitary or storm sewer applications. Procedures are outlined to minimize pipe deflection or structural damage during and after the installation process. These installation procedures are in accordance with "flexible conduit" principles.
1.2 This practice applies to all agricultural subsurface drainage or water table control installations using Specification F 405, F 667 or other plastic pipe.
1.3 This 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 and health practices and determine the applicability of regulatory limitations prior to use.

General Information

• Status: Historical
• Publication Date: 09-Sep-2002
• ICS: 23.040.20 - Plastics pipes
• Technical Committee: F17 - Plastic Piping Systems
• Drafting Committee: F17.65 - Land Drainage

Relations

• Replaces: ASTM F449-02 - Standard Practice for Subsurface Installation of Corrugated Polyethylene Pipe for Agricultural Drainage or Water Table Control
• Effective Date: 10-Sep-2002
• Replaced By: ASTM F449-02(2008) - Standard Practice for Subsurface Installation of Corrugated Polyethylene Pipe for Agricultural Drainage or Water Table Control
• Effective Date: 01-Nov-2008
• Referred By: ASTM F412-23 - Standard Terminology Relating to Plastic Piping Systems
• Effective Date: 10-Sep-2002
• Referred By: ASTM F667/F667M-16(2021) - Standard Specification for 3 through 24 in. Corrugated Polyethylene Pipe and Fittings
• Effective Date: 10-Sep-2002
• Referred By: ASTM F3390-20 - Standard Specification for 3 through 24 in. Lined Flexible Corrugated Polyethylene Pipe for Land Drainage Applications
• Effective Date: 10-Sep-2002
• Referred By: ASTM F3219-19 - Standard Specification for 3 to 30 in. (75 To 750 mm) Polypropylene (PP) Corrugated Single Wall Pipe and Fittings
• Effective Date: 10-Sep-2002
• Referred By: ASTM F2435-22 - Standard Specification for Steel Reinforced Polyethylene (PE) Corrugated Pipe
• Effective Date: 10-Sep-2002
• Referred By: ASTM F2648/F2648M-23 - Standard Specification for 50 mm to 1500 mm [2 in. to 60 in.] Annular Corrugated Profile Wall Polyethylene (PE) Pipe and Fittings for Land Drainage Applications
• Effective Date: 10-Sep-2002
• Referred By: ASTM F481-97(2019) - Standard Practice for Installation of Thermoplastic Pipe and Corrugated Pipe in Septic Tank Leach Fields
• Effective Date: 10-Sep-2002

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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An American National Standard
´1
Designation:F449–02
Standard Practice for
Subsurface Installation of Corrugated Polyethylene Pipe for
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Agricultural Drainage or Water Table Control
ThisstandardisissuedunderthefixeddesignationF449;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginal
adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.Asuperscript
epsilon (´) indicates an editorial change since the last revision or reapproval.
1
´ NOTE—Section 4.5 was editorially corrected in November 2003.
1. Scope 3.2 backfill—materials used to fill the trench following
installation of the pipe and bedding.
1.1 This practice is recommended for and limited to gravity
3.3 bedding—material which provides stable bottom sup-
flow subsurface drainage systems or water table control, but
port for the pipe including the trench bottom groove support
not recommended for sanitary or storm sewer applications.
angle or select material placed around the pipe, and envelope
Procedures are outlined to minimize pipe deflection or struc-
or filter materials where used during installation.
tural damage during and after the installation process. These
3.4 blinding—the placement of soil, bedding material over
installation procedures are in accordance with “flexible con-
and on the sides of the pipe or envelope to ensure proper grade,
duit” principles.
alignment, support, and protection of pipe during backfilling
1.2 This practice applies to all agricultural subsurface drain-
and after installation.
age or water table control installations using Specification
3.5 boot (also shield)— the protecting apparatus linked to
F405, F667 or other plastic pipe.
the rear of the installation machine in a manner which allows
1.3 This standard does not purport to address all of the
placement of the pipe on the trench bottom, protection of the
safety concerns, if any, associated with its use. It is the
workman, or placement of envelope or filter material, or both.
responsibility of the user of this standard to establish appro-
3.6 cradle—a prefabricated rigid structure designed to pro-
priate safety and health practices and determine the applica-
vide trench bottom support for the pipe when soil support is
bility of regulatory limitations prior to use.
inadequate.
2. Referenced Documents 3.7 envelope—porous material placed around the pipe to
2
provide bedding, improve the flow of ground water into the
2.1 ASTM Standards:
drain, or function as a filter.
D1600 Terminology for Abbreviated Terms Relating to
3
3.8 filter—an envelope of natural or synthetic materials
Plastics
placed completely around a drain to permit free water move-
D2412 Test Method for Determination of External Loading
3
ment into the drain, provide stabilizing support at the soil-filter
Characteristics of Plastic Pipe by Parallel-Plate Loading
interface, and restrict movement of silt and sand into the drain.
F405 Specification for Corrugated Polyethylene (PE) Pipe
3
3.9 grade—the slope of the pipe invert.
and Fittings
3
3.10 groove support angle— angle between the radii of the
F412 Terminology Relating to Plastic Piping Systems
pipe at points of contact with the formed groove of undisturbed
F667 Specification for Large Diameter Corrugated Polyeth-
soil or a cradle.
ylene Pipe and Fittings
3.11 mineral soils—soil containing (1) less than 30 %
3. Terminology
organic matter by weight provided the mineral fraction is 60 %
or more clay, or (2) less than 20 % organic matter by weight
3.1 Definitions are in accordance with Terminology F412
provided the mineral fraction has no clay, or (3) less than a
and abbreviations are in accordance with Terminology D1600,
proportional content of organic matter between 20 and 30 % if
unless otherwise specified.
the clay content of the mineral fraction is between 0 and 60 %.
3.12 natural granular envelope—an envelope of granular
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This practice is under the jurisdiction of ASTM Committee F17 on Plastic
material, usually highly permeable well-graded sand and
Piping Systems and is the direct responsibility of Subcommittee F17.65 on Land
gravel.
Drainage.
Current edition approved Sept. 10, 2002. Published November 2002. Originally
3.13 organic soil—soil containing (1) 30 % or more organic
published as F449 – 76. Last previous edition F449 – 97. DOI: 10.1520/F0449-
matter provided the mineral fraction is 60 % or more clay, or (
02E01.
2) 20 % or more organic matter provided the mineral fraction
2
Annual Book of ASTM Standards, Vol 08.01.
3
has no clay, or (3) a proportional content of organic matter
Annual Book of ASTM Standards, Vol 08.04.
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