AASHTO M 199M/M 199 : 2017
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
SPECIFICATION FOR PRECAST REINFORCED CONCRETE MANHOLE SECTIONS
30-12-2022
22-05-2013
This specification covers the manufacture and purchase requirements of products used forthe assembly and construction of circular vertical precast reinforced concrete manholes and structures used in sewer, drainage, and water works.
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