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Search results with tag "Standard specifications for highways and structures"
Standard Specifications for Highways and Structures 2013
ddot.dc.gov311.03 adjust manhole frames/drop inlet frames 151 311.04 reset manhole frames/drop inlet frames 151 311.05 adjust standard basin tops/elongation tops 152 311.06 furnish inlet frame and manhole frame units 152 311.07 manhole adapter rings 152 311.08 rebuild sewer-water manholes and standard basins 152 311.09 replace basins 152