Standard Specification for
Drainage, Sewer, Utility, and Related Castings
AASHTO Designation: M 306-07
SCOPE
1.1.This specification is applicable to frames, grates, rings, and covers for inlets, manholes, and other structures for civil engineering use where items may be placed in traffic service and load bearing is a consideration.
1.2.The values stated in SI units are to be regarded as the standard.
REFERENCED DOCUMENTS
2.1. AASHTO Standard:
- M 105, Gray Iron Castings
- Standard Specifications for Highway Bridges, 17th Edition
2.2. ASTM Standards:
- A 48, Gray Iron Castings
- A 536, Ductile Iron Castings
- B 26, Aluminum -Alloy Sand Castings
Federal Specification:
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Click here to download AASHTO Designation: M 304-03 (2007) pdf free download
