Overhaul the "Occupied" System of a Willow Feeder - PEP BB greywillow.sand.overhauloccupy

This is a badge bit (BB) that is part of the PEP curriculum.  Completing this BB is part of getting the sand badge in Greywater and Willow Feeders.

For this Badge Bit you will overhaul the “occupied” system of a willow feeder.

To complete this BB, the minimum requirements are:
  - must use nontoxic materials where possible
  - more substantial than the Improve a willow feeder BB

To show you've completed this Badge Bit, you must show proof of the following (as pictures or a video < 2 mins):
 - show the “occupied” system before the overhaul
 - show the tools and materials for overhauling the “occupied” system
 - show progress of the overhaul of the “occupied” system
 - show the finished overhaul of the “occupied” system