Same as ASTM C1244 with changes to facilitate vacuum testing of round manholes after installation and backfilling is complete.
ASTM c1244 has long been in place for testing structures after assembly but before backfill. This new specification will enable testing in final installed condition.
Vacuum Testing, manholes, flexible connectors, gaskets, pipe, backfill
The title and scope are in draft form and are under development within this ASTM Committee.
Citing ASTM Standards
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