ASTM C1244 / C1244M - 20

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

    Active Standard ASTM C1244 / C1244M | Developed by Subcommittee: C13.06

    Book of Standards Volume: 04.05


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    Significance and Use

    5.1 This is not a routine test. The values recorded are applicable only to the manhole being tested and at the time of testing.

    1. 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. Users are hereby cautioned that misuse or misapplication of the test criteria contained herein can cause permanent damage to the system being tested.

    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.

    1.3 The values stated in inch pound or SI units are to be regarded separately as standard. The SI units are shown in brackets. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the standard.

    1.4 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

    1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    C822 Terminology Relating to Concrete Pipe and Related Products

    C924 Practice for Testing Concrete Pipe Sewer Lines by Low-Pressure Air Test Method

    C924M Practice for Testing Concrete Pipe Sewer Lines by Low-Pressure Air Test Method (Metric)

    C969 Practice for Infiltration and Exfiltration Acceptance Testing of Installed Precast Concrete Pipe Sewer Lines

    C969M Practice for Infiltration and Exfiltration Acceptance Testing of Installed Precast Concrete Pipe Sewer Lines (Metric)


    ICS Code

    ICS Number Code 23.040.50 (Pipes and fittings of other materials)

    Referencing This Standard
    Link Here
    Link to Active (This link will always route to the current Active version of the standard.)

    DOI: 10.1520/C1244_C1244M-20

    Citation Format

    ASTM C1244 / C1244M-20, Standard Test Method for Concrete Sewer Manholes by the Negative Air Pressure (Vacuum) Test Prior to Backfill, ASTM International, West Conshohocken, PA, 2020, www.astm.org

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