Big earth moving machines can remove or dump soil. Here, they are removing several inches of "placed fill".

In this high tech era, lasers are set up to shoot the grade. The earth moving equipment have laser receivers mounted on them, tracking the grade.

The utility crew is using a fresh air pump to help clean the air in the new man-hole, while a worker is in this concrete hole.

The electricians are now running thier "underground electrical conduit" through the job site.