Active Standard: C12 - 13a
Revisions to Note 4 - Sand used as a bedding material is defined in the previous sentence. The definition of haunching has been removed from ASTM C896.
Keywordsbackfilling; bedding; clay pipe; compaction; construction; design; excavation; installation; load factors; perforated pipe; pipe; sewers; trench foundation; trenching; vitrified;
Ballot Item Approved as C12-2013A and Pending Publication