Glossary of Water and Wastewater Terms
A B C D E F G H I J K L M N O P Q R S T U V W Y Z5 random terms from our glossary
gross vehicle weight rating (GVWR)
The maximum weight rating specified by the manufacturer for a single vehicle including its load.
pipe rodding
A method of opening a plugged or blocked pipe by pushing or pulling a steel rod or snake through the pipe with a tool attached to the end of the rod or snake. Rotating the rod or snake with an attached tool increases effectiveness.
pump bowl
The submerged pumping unit in a well, including the shaft, impellers, and housing.
drop manhole
A main line or house service line lateral entering a manhole at a higher elevation than the main flow line or channel. If the higher elevation flow is routed to the main manhole channel outside of the manhole, it is called an outside drop. If the flow is routed down through the manhole barrel, the pipe down to the manhole channel is called an inside drop.
rod guide
A bent pipe inserted in a manhole to guide hand and power rods into collection lines so the rods can dislodge obstructions.
