How It Works - Sunk Caisson Construction for Lift Stations

Metropolitan Council Environmental Services (MCES) operates the Minneapolis-St. Paul regional wastewater system. Our wastewater pumping stations are often constructed with sunk caissons when open excavation is not possible.
This short video, part of MCES’s “How it works” video series, explains how sunk caisson construction works.

[@m3talh3ad18]

Beautifully explained! Great visual aids too.

[@zenzenthaiamulethobby7109]

Short and sweet.

[@seanwilliams_31]

My question is: if the goal of the structure is to eventually pump water why is it necessary if they were able to pump out water in the first place to put in the structure?

[@elijah707]

Sometimes these lift stations pump sewage.

[@maddeusdoggeus1]

Sewage is what is being “Lifted” at a Lift Station.

[@narsinghdhavare7733]

Nice video

[@Alexandruthewolf]

mind blown

[@manam8322]

Can we do this method in loose sand?

[@rudrakshdubey1604]

Yes i have a house in thar constructed with the same method for underground water storage

[@edwardhunter3647]

Build that to.

[@ofcv1238]

This looks like sunk caisson construction and surge of water could have been bentonite suspension breaking through when structure shifted or settled.

[@lahaina4791]

Irritating background audio, why use it?

[@ericlucas6045]

and all the trees within a mile will die.

[@nonenone6403]

y

[@user-qs8qt9nz6y]

This has to be the dumbest explanation of a caisson i have ever seen. There are so many things wrong with this. You don't dewater the outside, the tremie seal is poured under water!