§ 85-811. Decommissioning.

A. 

If the geothermal system remains nonfunctional or inoperative for a continuous period of one year, the system shall be deemed to be abandoned and shall constitute a public nuisance. The owner shall remove the abandoned system at his/her expense in accordance with the below after obtaining a demolition permit.

B. 

Closed loop piping systems shall be decommissioned by flushing and filling the piping with potable water and capping off the ends. If the heat transfer fluid contains regulated materials (e.g., antifreeze, biocides or corrosion inhibitors), the heat transfer fluid shall be contained and disposed of in accordance with applicable regulations.

C. 

Open loop wells shall be decommissioned per NYSDEC requirements.

D. 

The heat pump and any external mechanical equipment shall be removed.

E. 

Pipes or coils below the land surface shall be filled with grout to displace the heat transfer fluid. The heat transfer fluid shall be captured and disposed of in accordance with applicable regulations. The top of the pipe, coil or boring shall be uncovered and grouted.

F. 

Water body geothermal systems shall be completely removed from the bottom of the body of water.

Amended 5-21-2015 by L.L. No. 10-2015, effective 6-2-2015