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Junction Structures

Junction structures are concrete structures that are often poured-in-place at the intersection of 2 or more storm drainage pipeline systems. Good carpentry work is important to building a structurally secure concrete basin. These usually have an opening at the top...

Junction Structure

A drainage junction box is being formed with wood at the intersection of this storm drainage pipeline structure. At this junction a storm drain junction manhole will have concrete poured-in-place. ...

Manhole Cone

This storm drain manhole has a built-in-place or poured-in-place manhole square shaft. Above this is a manhole cone, called a "cone" for its uneven, angled side that lends itself to a smaller opening at the top or entrance of the...

Concrete Stormceptor

This concrete stormceptor takes the place of a conventional manhole or inlet structure within a storm drain system. The circular design (as opposed to a square or rectangular design) is important because it will help prevent turbulent eddy drainage currents...

Reinforced Junction Structure

Show here is a partially poured-in-place junction box structure reinforced with rebar that will serve to connect an intersecting storm drain pipeline and manhole. ...

Maintenance Hole

Fresh concrete manhole bottom to connect 2 sewer lines....

Sewer Maintenance

Worker pouring a concrete bottom for a new sewer maintenance hole. ...