ASTM C1091-03a(2013)
(Test Method)Standard Test Method for Hydrostatic Infiltration Testing of Vitrified Clay Pipe Lines
Standard Test Method for Hydrostatic Infiltration Testing of Vitrified Clay Pipe Lines
SIGNIFICANCE AND USE
5.1 The tests called for herein, for their results, indicate the acceptability of installed vitrified clay pipelines.
SCOPE
1.1 This test method defines procedures for hydrostatic infiltration testing of new installations of vitrified clay pipe lines, to demonstrate the structural integrity of the installed line. Refer to Practice C12.
1.2 This test method is suitable for testing gravity-flow pipe lines constructed of vitrified clay pipe or combinations of clay pipe and other pipe materials.
1.3 This test method is applicable to the testing of the pipe lines only. Manholes or other structures should be tested separately.
1.4 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.5 This standard does not purport to address all of the safety problems, 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.
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Designation:C1091 −03a (Reapproved 2013)
Standard Test Method for
Hydrostatic Infiltration Testing of Vitrified Clay Pipe Lines
This standard is issued under the fixed designation C1091; 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 4. Summary of Test Method
1.1 This test method defines procedures for hydrostatic 4.1 This test method shall be performed on lines after
connection laterals, if any, have been plugged and adequately
infiltration testing of new installations of vitrified clay pipe
braced to withstand the test pressure, and after the trenches
lines, to demonstrate the structural integrity of the installed
have been backfilled and compacted.
line. Refer to Practice C12.
1.2 This test method is suitable for testing gravity-flow pipe
5. Significance and Use
lines constructed of vitrified clay pipe or combinations of clay
5.1 The tests called for herein, for their results, indicate the
pipe and other pipe materials.
acceptability of installed vitrified clay pipelines.
1.3 This test method is applicable to the testing of the pipe
6. Preparation of the Line
lines only. Manholes or other structures should be tested
separately. 6.1 To ensure the proper seating of the test plugs and the
accuracyofthetest,thelinesshouldbecleanedpriortotesting.
1.4 The values stated in inch-pound units are to be regarded
6.2 Examples of methods for cleaning the lines are the
as standard. The values given in parentheses are mathematical
conversions to SI units that are provided for information only sewer cleaning ball and high pressure flushing equipment.
and are not considered standard.
7. Procedure
1.5 This standard does not purport to address all of the
7.1 The hydrostatic infiltration test procedure is applicable
safety problems, if any, associated with its use. It is the
where the measured water table is 2 ft (610 mm) or greater
responsibility of the user of this standard to establish appro-
above the pipe barrel at the lower manhole of the test section.
priate safety and health practices and determine the applica-
Where the ground water elevation is indeterminate, less than 2
bility of regulatory limitations prior to use.
ft (610 mm) above the top of the pipe barrel, or the line is
partially below the water table, use a combination of both the
2. Referenced Documents
air test and infiltration procedure.
2.1 ASTM Standards:
NOTE 1—The most practical method for testing is Test Method C828,
C12 Practice for Installing Vitrified Clay Pipe Lines
and is recommended. However, where ground water is present and meets
C828 Test Method for Low-Pressure Air Test of Vitrified
the criteria established in , the infiltration test procedure outlined in this
Clay Pipe Lines
practice is recommended.
C896 Terminology Relating to Clay Products
7.2 Determine the allowable infiltration rate for the test
section using Table 1.
3. Terminology
NOTE 2—What can be called false infiltration represents condensate on
3.1 Terminology C896 can be used for clarifications of
the pipe walls.
terminology in this test method.
7.3 The test rate table is based on the standard of 50 gal/in.
diameter·mile·day (4.6 L/mm diameter·kilometre·day).
7.4 Table 1 shows the allowable infiltration rate in
This test method is under the jurisdiction ofASTM Committee C04 on Vitrified
gallons · 100 ft of pipe · hour (litres per 30.5 metres · hour) for
Clay Pipe and is the direct responsibility of Subcommittee C04.20 on Methods of
each nominal pipe size.
Test and Specifications.
Current edition approved Dec. 1, 2013. Published December 2013. Originally
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