permissible pressure at the bottom of the excavation

He reaches a layer of grainy cinders and ash, then sand or clay, serving as a sealant for what’s beneath.

loss of all infrastructure constructed up to the time of a pumping interruption causing the slope instability and/or bottom heave;

Lastly, the Starsol® piles will be installed by Soletanche Bachy Fondations Spéciales (SBFS) from the bottom of the excavation from spring 2019.

The excavation works on the Royal-Hamilius construction site, called ‘Fond de fouille’, were achieved this week, in perfect timing!

First, a large trench was excavated and geosynthetic fabric was rolled out to cover the bottom of the StormTech system.

The processing plants are composed of a primary crusher and a secondary unit both located in the excavation bottom and a tertiary grinding and screening unit.

Once excavation of the permanently open-cut option is completed, the pumping would have to be maintained in order to prevent bottom heave and/or filling of the lower portion of the underpass.