Repair suggestions for Pre-Action Supervisory Systems. Do you have them, how maintained, how repaired / find leaks?
Farley - Instrument air with air dryer
Hatch - Instrument air with air dryer, some deluge and dry pipe systems have their own air compressor
Vogtle 1/2 - Instrument air with air dryer, snoop for leaks if needed
Vogtle 3/4 - Instrument air with air dryer
Watts Bar - Instrument air with air dryer, can use helium to detect leaks
Sequoyah - Service air with air dryer
Browns Ferry - Three units with large systems supplied by service air (moisture carryover)
North Anna - Service air with air dryer, no issues
Surry - Service air with air dryer, no issues
St. Lucie - Nitrogen bottles, no issues
McGuire - No pre-action systems
Brunswick -
Oconee - No pre-action systems
Harris -
Catawba - Service air with air dryer, no issues
Robinson - Instrument air with air dryer
VC Summer - Service air with air dryer, no issues
Brunswick- 1 preaction system with its own air compressor. No issues (relatively new system)
Craig Garrison ,could you please provide input to the question I just posted about air compressor PMs?
