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Top Terms > Facilities > Transportation, hydraulic and utility facilities > Hydraulic structures > Irrigation and drainage structures > Drainage structures > Manholes

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Manholes (Pmhpdq)

Definition
Openings in an underground system which workers may enter for the purpose of making installations, removals, inspections, repairs, connections and tests. Also referred to as Utility Access Holes. (Source: AASHTO Glossary)
Use For
Sewer access holes
Utility access holes
Broader Term
Drainage structures (Pmhpd)
Related Terms (Hierarchical)
Catch basins (Pmhpdb)
Detention basins (Pmhpdc)
Ditches (Pmhpdd)
Drainage canals (Pmhpde)
Drains (Pmhpdf)
Drainage basins (Pmhpdh)
Drainage blankets (Pmhpdj)
Grates (Pmhpdm)
Gutters (Pmhpdp)
Sewers (Pmhpds)
Sumps (Pmhpdu)
Swales (Pmhpdv)