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ASTM C1244-05a

(Test Method)

Standard Test Method for Concrete Sewer Manholes by the Negative Air Pressure (Vacuum) Test Prior to Backfill

Standard Test Method for Concrete Sewer Manholes by the Negative Air Pressure (Vacuum) Test Prior to Backfill

SCOPE
1.1 This test method covers procedures for testing precast concrete manhole sections when using the vacuum test method to demonstrate the integrity of the installed materials and the construction procedures. This test method is used for testing concrete manhole sections utilizing mortar, mastic, or gasketed joints.
1.2 This test method is intended to be used as a preliminary test to enable the installer to demonstrate the condition of the concrete manholes prior to backfill.
1.3 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.
1.4 This test method is the companion to metric Test Method C 1244M; therefore, no SI equivalents are shown in this test method.
Note 1—Vacuum test criteria presented in this test method are similar to those in general use. The test and criteria have been widely and successfully used in testing manholes.
Note 2—The user of this test method is advised that no correlation has been found between vacuum (air) and hydrostatic tests.

General Information

Status
Historical
Publication Date
30-Sep-2005
ICS
23.040.50 - Pipes and fittings of other materials
Technical Committee
C13 - Concrete Pipe
Drafting Committee
C13.06 - Manholes and Specials
Current Stage
Ref Project

Relations

Replaces
ASTM C1244-05 - Standard Test Method for Concrete Sewer Manholes by the Negative Air Pressure (Vacuum) Test Prior to Backfill
Effective Date
01-Oct-2005
Replaced By
ASTM C1244-05ae1 - Standard Test Method for Concrete Sewer Manholes by the Negative Air Pressure (Vacuum) Test Prior to Backfill
Effective Date
01-Oct-2005
Referred By
ASTM F2551-09(2023) - Standard Practice for Installing a Protective Cementitious Liner System in Sanitary Sewer Manholes
Effective Date
01-Oct-2005
Referred By
ASTM C1719-11(2017) - Standard Test Method for Installed Precast Concrete Tanks and Accessories by the Negative Air Pressure (Vacuum) Test Prior to Backfill
Effective Date
01-Oct-2005

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ASTM C1244-05a - Standard Test Method for Concrete Sewer Manholes by the Negative Air Pressure (Vacuum) Test Prior to BackfillASTM C1244-05a - Standard Test Method for Concrete Sewer Manholes by the Negative Air Pressure (Vacuum) Test Prior to Backfill
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ASTM C1244-05a - Standard Test Method for Concrete Sewer Manholes by the Negative Air Pressure (Vacuum) Test Prior to Backfill
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: C 1244 – 05a
Standard Test Method for
Concrete Sewer Manholes by the Negative Air Pressure
1
(Vacuum) Test Prior to Backfill
This standard is issued under the fixed designation C 1244; 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.
1. Scope 3. Terminology
1.1 This test method covers procedures for testing precast 3.1 For definitions of terms relating to manholes, see
concrete manhole sections when using the vacuum test method Terminology C 822.
to demonstrate the integrity of the installed materials and the
4. Summary of Practice
construction procedures. This test method is used for testing
concrete manhole sections utilizing mortar, mastic, or gasketed 4.1 All lift holes and any pipes entering the manhole are to
be plugged.Avacuum will be drawn and the vacuum drop over
joints.
1.2 This test method is intended to be used as a preliminary a specified time period is used to determine the acceptability of
the manhole.
test to enable the installer to demonstrate the condition of the
concrete manholes prior to backfill.
5. Significance and Use
1.3 This standard does not purport to address all of the
5.1 This is not a routine test. The values recorded are
safety problems, if any, associated with its use. It is the
applicable only to the manhole being tested and at the time of
responsibility of the user of this standard to establish appro-
testing.
priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use.
6. Preparation of the Manhole
1.4 This test method is the companion to metric Test
6.1 All lift holes shall be plugged.
Method C 1244M; therefore, no SI equivalents are shown in
6.2 All pipes entering the manhole shall be temporarily
this test method.
plugged, taking care to securely brace the pipes and plugs to
NOTE 1—Vacuum test criteria presented in this test method are similar
prevent them from being drawn into the manhole.
to those in general use. The test and criteria have been widely and
successfully used in testing manholes.
7. Procedure
NOTE 2—The user of this test method is advised that no correlation has
7.1 The test head shall be placed at the top of the manhole
been found between vacuum (air) and hydrostatic tests.
in accordance with the manufacturer’s recommendations.
2. Referenced Documents
7.2 A vacuum of 10 in. Hg shall be drawn on the manhole,
2
2.1 ASTM Standards: the valve on the vacuum line of the test head closed, and the
C 822 Terminology Relating to Concrete Pipe and Related vacuum pump shut off. The time shall be measured for the
Products vacuum to drop to 9 in. Hg.
C 924 Practice for Testing Concrete Pipe Sewer Lines by 7.3 The manhole is acceptable if the time for the vacuum
Low-Pressure Air Test Method reading to drop from 10 in. Hg to 9 in. Hg meets or exceeds the
C 969 Practice for Infiltration and Exfiltration Acceptance values indicated in Table 1 or Table 2.
Testing of Installed Precast Concrete Pipe Sewer Lines 7.4 If the manhole fails the initial test, the manhole shall be
C 1244M Test Method for Concrete Sewer Manholes by the repaired by an approved method until a satisfactory test is
Negative Air Pressure (Vacuum) Test Prior to Backfill obtained.
7.5 Use or failure of this vacuum test shall not preclude
acceptance by appropriate water infiltration or exfiltration
1
This test method is under the jurisdiction of ASTM Committee C13 on
testing, (see Practice C 969), or other means.
Concrete Pipe and is the direct responsibility of Subcommittee C13.06 on Manholes
and Specials.
8. Precision and Bias
Current edition approved Oct. 1, 2005. Published November 2005. Originally
approved in 1993. Last previous edition approved in 2005 as C 1244 – 05.
8.1 No justifiable statement is presently capable of being
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
made either on the precision or bias of this procedure, since the
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
test result merely states whether there is conformance to the
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. criteria for the success specified.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
C 1244 – 05a
TABLE 1 Minimum Test Times for Various Manhole Diameters TABLE 2 Minimum Test Times for Various Diameters (78 – 120
(30–72 in.) in Seconds in.) in Seconds
Diameter, in. Diameter, in.
Depth (ft) Depth (ft)
30 33 36 42 48 54 60 66 72 78
...

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