44 REASON ISSUE 1 2017 It s your typical Sunday People are watching football the drinks are cold in the fridge and the steam turbine gen erator at the local power station that makes all this possible is humming along Suddenly there s a problem An electrical fault in one of the generator control systems causes a master fuel trip As thousands lose power the operators at the station detect smoke coming from the distributed control systems room The circuit breaker that connects the generator to the electrical grid fails to automati cally open but operators don t notice The generator which remains electrically connected to the grid starts to motorize the turbine The steam turbine starts overheating due to this motoring phenomenon and still the problem remains undetected due to the numerous alarms and the operators focus on the dis tributed control systems room After 10 minutes the steam turbine starts to vibrate quickly reaching alarm and trip levels As the unit continues to motor turbine blades fail caus ing violent shaking of the rotor in its casing Foundation mounts and oil lines shear Oil is released and immediately ignites Twenty minutes later the steam turbine violently fails sending components across the turbine hall and through the roof The DC emergency lubrication oil pump continues to feed the fire as personnel are unable to shut down the pump An all ensuing fire develops adding to the catastrophic mechanical damage of the steam turbine generator Fortunately this scenario is not playing out in an active power plant It s happening in a conference room at Basin Electric Power Cooperative s Antelope Valley Station in Beulah North Dakota USA The technicians at the coal based plant are taking part in a Scenario Based Training SBT class offered by FM Global SBT is designed to simulate catastrophic equipment breakdown and fire loss scenarios based on past industry events The training assists FM Global clients in preparing for and effectively responding to similar events should they occur Classroom training walks par ticipants through abnormal operating conditions and helps identify potential vulnerabilities in safety systems operating procedures and programs which if not corrected may result in significant property loss and forced outage SBT is currently offered to clients with power generation and forest products facilities Scenario Based Training walks operators supervisors and frontline managers through loss scenarios they never saw explains FM Global s Erik Verloop staff vice president prin cipal engineer power generation Ultimately with our clients we aim to prevent power generation equipment losses SBT allows participants to not only learn from losses that have happened but more importantly from large losses that might happen at their facility Modeled after chemical industry The SBT program was modeled after hazard analysis processes conducted in the chemi cal industry It is common practice in that industry to run what if scenarios when dealing with various hazardous chemicals The FM Global SBT program began as an ad hoc program offered by one of the compa ny s chemical account engineers The engi neer was also serving clients in the power generation industry and started applying the same process to those clients Formal train ing materials were eventually developed and FM Global began offering the program to power generation clients in 2011 SBT facilitators employ a series of equipment breakdown and fire loss scenar ios representing events that have occurred or can occur with power generation equipment These include loss of DC direct current and or AC alternating current power loss of bearing lubrication generator motoring overspeed and high pressure spray oil fires Scenario Based Training is an advanced process that FM Global brought to our attention where you proactively look at events and situations explains Joe Von DerHaar station manager Spurlock Station East Kentucky Power Cooperative EKPC You storyboard them and analyze them to see if you can improve your processes before you have an event So it s a very pro active way to reduce and eliminate risk SBT focuses on loss scenarios that may be infrequent but if they occur can result in severe if not total loss Verloop explains that walking through the various what if sce narios is key to identifying weaknesses in safety systems and operator preparedness If

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