Digging out the earth to install the irrigation system.
-April 25 - April 30, 2012

Installing the system.
-April 25 - April 30, 2012

Drilling a hole in the wall to start installing the irrigation system.
-April 25 - April 30, 2012

Loading the boulders.
-April 30, 2012

Unloading the boulders.
-April 30, 2012

Storing the boulders.
-April 30, 2012