 
	ASTM C1244/C1244M-20 Standard test method for concrete sewer manholes by the negative air pressure (vacuum) test prior to backfill
Publication Year
2020
Document Status
Current
Abstract
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.
Document History
Reapproved 2025.
Publisher Information
American Society for Testing and Materials
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