Water and Wastewater Terms Beginning O
A B C D E F G H I J K L M N O P Q R S T U V W Y Z
offset invert
A trough or channel in the bottom of a manhole that is not centered in the bottom.
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A B C D E F G H I J K L M N O P Q R S T U V W Y Z
A trough or channel in the bottom of a manhole that is not centered in the bottom.