While conducting hydraulic fracturing, the flow rate is required to be controlled to enable the hall-off to block off and uncord the eyelet based on the stimulation process.
At one shelter in Reynosa, they even had to install bright construction lights for people with darker skin to shine on their faces so the app would recognize them.
As of this writing, crews are testing some revised drilling procedures that they hope will reduce the disturbance to the clay layer so they can get those piers installed and the building supported as quickly as possible.