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. It may also be used to test manholes after backfilling; however, testing should be correlated with the connector supplier.
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 inch-pound Test Method C1244.
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-It should be understood that no correlation has been found between vacuum (air) and hydrostatic tests.
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
C969 Practice for Infiltration and Exfiltration Acceptance Testing of Installed Precast Concrete Pipe Sewer Lines
C1244 Test Method for Concrete Sewer Manholes by the Negative Air Pressure (Vacuum) Test Prior to Backfill
Index Terms
Manholes; Precast concrete manholes; Sewer manholes (concrete); Sewer pipe (concrete); Vacuum testing; concrete sewer manholes-negative air pressure (vacuum) test, practice,; (for metric see C 1244M),; Negative air pressure (vacuum) method; concrete sewer manholes-negative air pressure (vacuum) test, practice,; (for metric see C 1244M),; Pressure testing-pipes; concrete sewer manholes-negative air pressure vacuum) test, practice,; (for metric see C 1244M);
Citing ASTM Standards
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