ASTM C1214M-02

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Designation:C1214M–02
Standard Test Method for
Concrete Pipe Sewerlines by Negative Air Pressure
1
(Vacuum) Test Method (Metric)
This standard is issued under the fixed designation C 1214M; 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.
TABLE 1 Minimum Test Time
1. Scope
Nominal Nominal
1.1 This test method covers procedures for testing concrete
T (Time), T (Time),
Pipe Pipe
min/100 m min/100 m
pipesewerlines,whenusingthenegativeairpressure(vacuum)
Size, mm Size, mm
test method to demonstrate the integrity of the installed
100 0.9 525 9.7
material and the construction procedures. This test method
150 2.0 600 11.0
200 3.5 675 13.0
covers testing of 100 to 900-mm diameter circular concrete
250 4.7 750 15.0
pipe sewerlines utilizing gasketed joints.
300 6.0 825 17.0
375 6.8 900 19.0
NOTE 1—The user of this specification is advised that methods de-
450 7.7
scribed in this test method may also be used as a preliminary test to enable
the manufacturer or installer to demonstrate the condition of sewer pipe
prior to delivery or backfill. Minimum test times presented in Table 1 are
C 969 Practice for Infiltration and Exfiltration Acceptance
for pipelines. Holding times for testing an individual pipe may have to be
2
Testing of Installed Precast Concrete Pipe Sewer Lines
increased to allow for the accumulation of leakage when the tested pipe
are incorporated into a continuous pipeline.
3. Terminology
1.2 This test method is the metric companion to Test
3.1 Definitions—For definitions of terms relating to con-
Method C 1214.
crete pipe, see Terminology C 822.
NOTE 2—The user of this test method is advised that the negative air
4. Summary of Test Method
pressure (vacuum) test criteria presented in this test method are similar to
those in general use. The test and criteria have been used widely and
4.1 The sewerline to be tested is plugged. Air is removed
successfully in testing smaller diameter pipe. Larger pipe will be accepted
from the plugged line by a vacuum pump or vacuum reservoir.
more conveniently by visual inspection and individual joint testing.
The amount of vacuum loss is used to determine the accept-
NOTE 3—The user of this test method is advised that no correlation has
ability of the sewerline.
been found between loss of vacuum and water leakage.
1.3 This standard does not purport to address all of the
5. Significance and Use
safety concerns, if any, associated with its use. It is the
5.1 This is not a routine test. The values recorded are
responsibility of the user of this standard to establish appro-
applicable only to the sewer being tested and at the time of
priate safety and health practices and determine the applica-
testing.
bility of regulatory limitations prior to use. See Section 6 for
specific safety precautions.
6. Safety Precautions
6.1 Warning—The user of this test method is advised that
2. Referenced Documents
this test will be dangerous if a line is not prepared properly and
2.1 ASTM Standards:
proper procedures are not followed.
C 822 Terminology Relating to Concrete Pipe and Related
6.2 Accessmanholesorstructuresmustbeventilatedandair
2
Products
quality continuously monitored.
C 924 Practice for Testing Concrete Pipe Sewer Lines by
6.3 No one shall be allowed in or near the manholes during
2
Low-Pressure Air Test Method
testing.
7. Preparation of the Sewerline
1
This test method is under the jurisdiction of ASTM Committee C13 on
7.1 Where practical, clean the line prior to testing, wet the
Concrete Pipe and is the direct responsibility of Subcommittee C13.09 on Methods
of Test.
pipe surface, and eliminate debris.
Current edition approved Aug. 10, 2002. Published October 2002. Originally
NOTE 4—The user of this test method is advised that a wetted exterior
published as C 1214M–92. Last previous edition C 1214M–94 (2000).
2
Annual Book of ASTM Standards, Vol 04.05. pipe surface is desirable and will produce more consistent test results.Air
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C1214M–02
TABLE 2 Allowable Air Loss
8.2 Evacuate air until the internal air pressure of the
Nominal Nominal sewerline is lowered by approximately 27.0 kPa of mercury.
3 3
Pipe Q,m /min Pipe Q,m /min
Close the valve on the vacuum line and shut off the vacuum
Size, mm Size, mm
pump. Allow the air pressure to stabilize.
100 0.6 525 0.15
8.3 When the pressure has stabilized and is at or below the
150 0.6 600 0.17
startingtestvacuumof23.6kPaofmercury,commencethetest
200 0.6 675 0.18
...