2019 NERC GADS DRI Changes
Current Clients: Note that all systems are updated with the latest rules shortly after NERC GADS updates are published. An email with update times and any additional information will be sent to your organization.
The "Allowable Event Type Changes" described by Figure III-3 on page III-20 has caused the following changes:
· Before: ME can change into ME, RS, SF, U1, D1, D2, D3, D4 or PD.
After: ME can change into MO, RS, SF, U1, D1, D2, D3, D4 or PD.
· Before: PE can change into PE, RS, SF, U1, D1, D2, D3, D4 or PD.
After: PE can change into PO, RS, SF, U1, D1, D2, D3, D4 or PD.
New Cause Codes have been added:
· 3248, 'Cooling Tower Overhaul' for Fossil, Nuclear and Combined Cycle units
· 8565, 'Electrostatic Precipitator rebuild/overhaul' for Fossil Steam and Fluidized Bed units
· 4460, 'Turbine overspeed trip test' for CT and Diesels/Internal Combustion/Reciprocating Engines
· 5114, 'Lube oil filters' for Diesels/Internal Combustion/Reciprocating Engines
The "Allowable Event Type Changes" described by Figure III-3 on page III-20 has caused the following changes:
· Before: ME can change into ME, RS, SF, U1, D1, D2, D3, D4 or PD.
After: ME can change into MO, RS, SF, U1, D1, D2, D3, D4 or PD.
· Before: PE can change into PE, RS, SF, U1, D1, D2, D3, D4 or PD.
After: PE can change into PO, RS, SF, U1, D1, D2, D3, D4 or PD.
New Cause Codes have been added:
· 3248, 'Cooling Tower Overhaul' for Fossil, Nuclear and Combined Cycle units
· 8565, 'Electrostatic Precipitator rebuild/overhaul' for Fossil Steam and Fluidized Bed units
· 4460, 'Turbine overspeed trip test' for CT and Diesels/Internal Combustion/Reciprocating Engines
· 5114, 'Lube oil filters' for Diesels/Internal Combustion/Reciprocating Engines