Gas Turbine LOTO Checklist For Hot Gas Path
JOB #_________ Customer Name: __________________________________
Equipment Description: Serial #:
Location: _________________________________Date: ______________________
Work Description: ____________________________________________
Please Initial Accordingly System
System
Manapower /
Field Customer Identification
N/A* Time
Craft
Engineer Rep.
Hot Gas Path Inspection LOTO Checklist Number
Supervisor (if Applicable)
Mechanical Lock out Tag Out
Fuel Gas System,
Fuel Gas Heater Inlet Valve Closed and locked or tagged
Fuel Gas Heater Bypass Valve Closed and locked or tagged
Fuel Gas Heater Vent open and locked or tagged
Steam/ Water supply to preheaters Valve closed and locked or tagged
Steam/ Water Return to preheaters Valve closed and locked or tagged
Steam/ Water Vent open and locked or tagged
Knockout Drum/ Filter Vessel Inlet valve closed and locked or tagged
Knockout Drum/ Filter Vessel Return valve closed and locked or tagged
Knockout Drum/ Filter Vessel vent open and locked or tagged
Duct Burner Supply Valve closed and locked or tagged
Duct Burner vent open and locked or tagged
Main Block valve closed and locked or tagged
Main Vent Open
PM1 (Pre-Mix) Vent open
PM2 (Pre-Mix) Vent open
PM3 (Pre-Mix) Vent open
PM4 (Pre-Mix) Vent open
Fuel Oil System,
Main Isolation Valve Closed and Locked or tagged
Water Injection System
Water Injection Pump Inlet Valve Closed and Locked or tagged
Water Injection Pump Discharge Valve Closed and Locked or tagged
Main Isolation Valve Closed and Locked or tagged
Instrument Air System
Local Isolation Valve closed
Instrument Air Supply to Liquid fuel module valve closed and locked or tagged
Instrument Air supply to compressor bleed valves closed and locked or tagged
Liquid Fuel purge isolation valve closed
Water Purge isolation valve closed
Fire Protection System
Main Valve on CO2 Tank closed and locked or tagged
Remove Pipe Unions to separate local zones
Cooling water System
Cooling water main supply valve closed and locked or tagged
Cooling water Return valve closed and locked or tagged
Cooling water Return for Flex legs valve closed and locked or tagged
Cooling water supply for Flex legs closed, drained and locked or tagged
Cooling water Return valve for flame scanner closed and locked or tagged
Cooling water supply valve for flame scanner closed and locked or tagged
Cooling Water supply Valve to Atomizing air coolers valve closed and locked or
tagged
Cooling Water Return Valve to Atomizing air coolers valve closed and locked or
tagged
Form EHS 009 rev1 March 2006 1 of 4
Gas Turbine LOTO Checklist For Hot Gas Path
JOB #_________ Customer Name: __________________________________
Equipment Description: Serial #:
Location: _________________________________Date: ______________________
Work Description: ____________________________________________
Please Initial Accordingly System
System
Manapower /
Field Customer Identification
N/A* Time
Craft
Engineer Rep.
Hot Gas Path Inspection LOTO Checklist Number
Supervisor (if Applicable)
Mechanical Lock out Tag Out
Water Wash System
Water wash supply valve closed and locked or tagged
Water wash discharge valve closed and locked or tagged
On Line water wash isolation valve closed and locked or tagged
Off Line water wash isolation valve closed and locked or tagged
Water supply valve to pressurized tank closed and locked or tagged
Instrument air to water wash tank valve closed and locked or tagged
Steam Augmentation System
HP (High Pressure) Steam supply Valve closed and Locked or tagged
LP (Low Pressure) Steam supply Valve closed and locked or tagged
Starting System
Steam Start- Steam supply to starter turbine main supply valve closed and locked
or tagged
Gas Expander- Fuel gas supply valve closed and locked or tagged
Gas Expander- Vent open and locked or tagged
Electrical Lock out Tag out
Fuel Oil System,
Fuel Oil Pump Breaker open and locked or tagged
Fuel Oil Forwarding Pump Breaker open and locked or tagged
Water Injection System
Water Injection Pump Breaker open and locked or tagged
Cooling water System
Cooling Water Pump #1 Breaker open and locked or tagged
Cooling Water Pump #2 Breaker open and locked or tagged
Water Wash System
Water Wash Pump Breaker open and locked or tagged
Steam Augmentation System
HP (High Pressure) Steam Supply MOV (Motor Operated Valve) Breaker open
and locked and tagged
LP (Low Pressure) Steam Supply MOV (Motor Operated Valve) Breaker open and
locked and tagged
Cooling air and Ventilation system
Turbine compartment vent fan motor #1 Breaker open and locked or tagged
Turbine compartment vent fan motor #2 Breaker open and locked or tagged
#2 bearing cooling air motor #1 breaker open and locked or tagged
#2 bearing cooling air motor #2 breaker open and locked or tagged
Load compartment vent fan motor #1 Breaker open and locked or tagged
Load compartment vent fan motor #2 Breaker open and locked or tagged
Exhaust Frame blower motor #1 breaker open and locked or tagged
Exhaust Frame blower motor #2 breaker open and locked or tagged
Form EHS 009 rev1 March 2006 2 of 4
Gas Turbine LOTO Checklist For Hot Gas Path
JOB #_________ Customer Name: __________________________________
Equipment Description: Serial #:
Location: _________________________________Date: ______________________
Work Description: ____________________________________________
Please Initial Accordingly System
System
Manapower /
Field Customer Identification
N/A* Time
Craft
Engineer Rep.
Hot Gas Path Inspection LOTO Checklist Number
Supervisor (if Applicable)
Mechanical Lock out Tag Out
Atomizing Air System
Atomizing Air Booster Pump motor breaker open and locked or tagged
Starting system
Turning gear motor breaker open and locked or tagged
Starting motor breaker open and locked or tagged
LCI (Load Commutated Inverter) System Breaker de-energized and racked open
and locked or tagged and properly grounded
Static start motor driven disconnect De-energize motor power in panelboard
Neutral disconnect motor driven disconnect De-energize motor power in
panelboard
Roll out/ lockout Excitation Transformer Breaker
Diesel Start- Disconnect and remove lead from Starter
Direct Current Ratchet Pump Breaker open and locked or tagged
Jogging motor Breaker open and locked or tagged
Ignition Source
Spark plug coil breaker open and locked or tagged
Remove Spark plugs cables from the combustion cans on turbine.
Remove J-Plug Supply jumper in control cabinet (If unit has no isolation for Coil)
Lube Oil system
Main oil pump breaker open and locked or tagged
Aux. Oil pump breaker open and locked or tagged
Direct Current oil pump breaker open and locked or tagged
Seal oil pump breaker open and locked or tagged
Vapor extraction pump breaker open and locked or tagged
Direct Current Seal oil pump breaker open and locked or tagged
Hydraulic System
Primary hydraulic pump breaker open and locked or tagged
Aux. hydraulic pump breaker open and locked or tagged
Lift oil pump breaker open and locked or tagged
Form EHS 009 rev1 March 2006 3 of 4
Gas Turbine LOTO Checklist For Hot Gas Path
JOB #_________ Customer Name: __________________________________
Equipment Description: Serial #:
Location: _________________________________Date: ______________________
Work Description: ____________________________________________
Please Initial Accordingly System
System
Manapower /
Field Customer Identification
N/A* Time
Craft
Engineer Rep.
Hot Gas Path Inspection LOTO Checklist Number
Supervisor (if Applicable)
Mechanical Lock out Tag Out
Lighting and Heating Circuit
Lighting circuit breaker to load compartment open and locked or tagged
Lighting circuit breaker open and locked or tagged
Heating circuit breaker open and locked or tagged
Fuel Gas Heater Breaker open and locked or tagged
Turbine Compartment Heater breaker open and locked or tagged
Turbine compartment lighting circuit breaker open and locked or tagged
Please list other systems checked that are not listed above
This should be used as a guide and may not include all systems. Verify this checklist against the actual P&ID and/or the electrical
Schematic for local configuration and the proper isolation methods of all systems.
Supervisor Name( Print) ________________________
Signature: _____________________ Shift: ________ Date: _______
FE Name (Print)_______________________________________
Signature: _____________________ Shift: ________ Date: _______
Customer Rep Name(Print)_____________________________
Signature_______________________Date____________
* Item not applicable to this particular LOTO
Form EHS 009 rev1 March 2006 4 of 4
