Sunday, December 6, 2009

The art of excavation

With all the holes for the caissons drilled, the grading sub is now finishing the foundation excavations. With a small footprint like the one of our building, this proves a challenge to the construction workers. They need to be very careful not to damage the remaining earth and bedrock walls between excavations- not an easy task with the heavy equipment involved. The photo shows, how the backhoe, hovering above a trench, loads earth on the bobcat which in turn has to cross another trench to unload the soil. The caissons have been covered with plywood lids to prevent dirt from falling in.
The grading inspection is scheduled for Monday- as is some rain in the forecast.

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