safer work schedules an innovative approach to crew scheduling kerry hamlett, bp america steve...
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![Page 1: Safer Work Schedules An Innovative Approach to Crew Scheduling Kerry Hamlett, BP America Steve Heise, ePM Kerry Hamlett, BP America Steve Heise, ePM](https://reader031.vdocuments.mx/reader031/viewer/2022020320/5697bfae1a28abf838c9c962/html5/thumbnails/1.jpg)
Safer Work SchedulesAn Innovative Approach to Crew Scheduling
Kerry Hamlett, BP AmericaSteve Heise, ePM
Kerry Hamlett, BP AmericaSteve Heise, ePM
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BP America Decatur, Alabama• Specialty chemicals for plastic
bottles and high-performance polyesters
• Over 1 million tons per year produced and shipped
• Six production units or “trains”
• 800 employees and contractors
• 24x7 operation
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Docks• 250 barges per year at
irregular intervals
• Inbound feed stocks
• Outbound finished products
• Two-man on-duty crew for 24 to 48 hours
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Outside Battery Limits (OSBL)• Twice-daily inspections for
leaks and other malfunctions
• Not performed when the on-duty crew are servicing barges on the dock
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Other Crew Duties• Routine maintenance
• Contractor permitting
• Special projects such as renovations and repairs
• Training and certification
• Cover for training time and other absences
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Crew Scheduling Challenges• Too much overtime can
interfere with employees’ personal lives
• Substitutions are limited by skill and certification requirements
• 24x7 operations are especially challenging
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Organization Simulation ModelsSimVision® Better-Informed Decisions
• What-if scenarios
• Organize the work differently
• Change policies and practices
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What-If Scenarios and VariationsOperations and Demand• Number and types of barges• Barge arrival timing• Number of trains operating• Production rates and
volumes• Mix of products• Pipeline availability• Rail car availability
Organization and Work• Separation of duties• Specialized sub-teams• Total manpower• Work schedules• Crew sizes• Overtime policy• Training methods
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Simulation Scenario Examples • Average demand exceeds
capacity by about 3 operators
• More at peak times when several barges arrive in close succession
• Backlog represents unfulfilled OSBL inspections and maintenance
• To offset the shortfall requires– 3 additional full-time employees– 30% to 40% overtime– Some combination of the two
Operator Demand (FTEs)
Operator Backlog (FTE-days)
Capacity4 Crews of 2
Operators Each
With 30% Overtime
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Simulation Scenario Examples• Varying combinations of
demand and organization
• Safety: communication and coordination
• Process: conformance to procedure
• Product: conformance to specification
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Simulation Scenario Examples• Varying conditions and
policies• On-duty crew size• Annual barge traffic• Multiple back-to-back barge
arrivals• Organization of the work• Maintenance and
inspection schedules
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Conclusions• Better-informed decisions
• Quantify trade-offs
• Explore many alternatives
• Balance many competing factors
• Applicable to any industry
• SimVision®