Rockford Combustion Solutions Training Handouts

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GAS PIPING CORROSION QUESTIONS TO ASK 1. Is our underground piping system coated? 2. When was our underground carbon steel piping system installed? 3. Is the underground carbon steel piping insulated from above- ground piping? 4. Is underground carbon steel piping system currently being cathodically protected? 5. Is the cathodic protection system being monitored? *NFPA 54, 2018 Edition 7.1.3.3 Cathodic protection systems shall be monitored by testing and the results shall be documented. 6. Does our natural gas piping system have an accurate map or drawing? 7. Do we have a maintenance program for our exposed steel gas piping? 8. Do we have any atmospheric corrosion on our exposed steel gas piping? 9. When was the last time we had a Gas Leakage Detection Survey conducted on our facilities underground piping systems? 10. What loss of production and revenue would we sustain if fuel gas supply was interrupted for one day? One week? 11. Has the Natural Gas Piping Facility Isolation Valve and Building Isolation Valve been labeled and function properly? 4
COMBUSTION SOLUTIONS TRAINING “15 MINUTES COULD SAVE A LIFE” REMEMBER: LOOK, LISTEN & FEEL YOUR SYSTEMS! It is good practice to perform a walk-around of your equipment prior to start-up. This should especially be done after a unit has been down due to maintenance, repairs, or on extended down time. This walk-around should attempt to identify any deviations from normal operation/condition of the equipment. The following checklist should be a “Best Practice” to identify these issues. Note: This checklist is not specific to any particular piece of fuel-fired equipment but should be used as a guideline only. A. Review control panel lights, markings and internal wiring. Look for jumpers across terminals and relays that may be blocked & jammed open. B. Review all safety interlock switch settings to make sure they appear reasonable (as per marked settings). C. Verify all Main & Pilot Fuel Train Valves to make sure they are in the proper position prior to start-up (i.e. safety shut-off valve visual indication shows closed). D. Verify all sensing lines to interlock switches, ratio regulators and other devices are connected.’ E. Verify that all firebox and or access doors to combustion chamber or furnace or oven chamber making sure all are latched properly. F. Review fan dampers so that they are free to move and are not jammed. Check that all filters are unclogged and in place. Check fan blades and general fan condition. Verify if purge fans are moving air. G. Review the exhaust system fans, dampers, linkage and related components. H. Locate the termination of each vent/bleed line. Review for gas flow and insect/bird nests (or other type of blockage such as ice, snow, etc.). I. Verify time settings on all purge timers. J. Do a no fuel ignition sequence (Close GV2) if possible, to verify that BMS sequences properly. 5
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Page 9 and 10: COMBUSTION SOLUTIONS TRAINING NOTES

Rockford Combustion Solutions Training Handouts

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