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Modern Shiftwork Schedules
Johannes GärtnerVienna University of TechnologyXIMES GmbH (A & D)
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XIMES
• Spin off - Vienna University of Technology – 1997 – Assoc. Prof. DI Dr. Johannes Gärtner and DI Sabine Wahl
• XIMES focuses on Working Time
– Software• Shift Plan Assistant - SPA: Shift plan design• Operating Hours Assistant - OPA: Design of Shifts, staffing• Time Intelligence: Forecasting, Staffing , WorkingHoursControlling• ..
– Consulting in Shiftwork (A, D, UK, …) > 500 projects
– Training Working Time Managers = Training of internal consultants(4 Days Software-Training + 9 Days Training on Working Time Management)> 90 participants
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Books by XIMES
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We go for WIN-WIN
Employer
Employees
+
+
–
–
We aim for intelligentsolutions
WIN-WINSituations
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Overview
Modern Shiftwork Schedules I – more complex patternsModern Shiftwork Schedules II – influence of employeesModern Shiftwork Schedules III – differing demandModern Shiftwork Schedules IV – varying demandModern Shiftwork Scheduling
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Modern Shiftwork Schedules I – more complex patterns
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Classical Shiftwork Schedules
Mo Di Mi Do Fr Sa So Mo Di Mi Do Fr Sa SoF FS SN N
Mo Di Mi Do Fr Sa So Mo Di Mi Do Fr Sa SoF FS SN N
discontinuos
part.continuos
close to continuos
full continuos
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SIMPLE ROTA STRUCTURES
Group A Group B Group C Group D Group E
Groupcombination
Group A A1A2A3A4A5
Group B B1B2B3B4B5
Enlargedgroups
Subgroup Mo Tu We Th Fr Sa Su Mo Tu We Th Fr Sa SuGroup A
Group B Classicgroups
A1A2A3A4B1B2B3B4
A1A2B1B2C1C2D1D2E1E2
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Example Classical Schedules
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Example Group Combinations
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Modern Shiftwork Schedules II –Influence of employees
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Approach: Joint planning
We are experts for• Techniques & Calculations• How to go about planning
– Analyzing data– Developing plans– …
• external Knowledge– Ergonomics– Law
Managers & employees are experts for• Requirements• Judgments
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Individual schedules
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Modern Shiftwork Schedules III – Differing Demand
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Demand profiles
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Consequences of using more shifts
7h - 10h shifts:
02
4
6
8
10
1214
16
18
20
22
24
26
05:00 15:00 01:00 11:00 21:00 07:00 17:00 03:00 13:00 23:00 09:00 19:00 05:00 15:00 01:00 11:00 21:00Time
Mon
day
Tues
day
Wed
nesd
ay
Thur
sday
Frid
ay
Satu
rday
Sund
ay
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Modern Shiftwork Schedules IV – Changing Demand
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Ever changing demand & changes over the year
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Relation of working hours and number of customers
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Combining Plans
Plan A
Time
Dem
and
Ammending Plans
Flex-Element
Switching plans
Plan APlan A
Time
Dem
and
Plan B
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Flexibility – building blocks
StockForecast
Supply chain
Technique & OrganizationUsing Flexibility
Time accounts Shifts
Flexibility – Working time
Part Time Plans/Groups
Steering
FlexibilityScenarios Mechanisms
Vacation Time supplements
Controlling
Personnel
Leasing Qualification
Temps Parental leave...
Overtime
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Modern Shiftwork Scheduling
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Schedules connect …
• Efficient• Flexible• Effective
• Individual• Meeting demand• reliable• Easy to get• ...
CostsQuality of the
Service/Product
Working conditions
Schedules• Influence•Respect•Time off• Pressure• ...
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Working Time Management In most cases - isolated processes
Demand products/services
Act. Demand/RevenuesQuality of services
Duties/Staffing
Forecasting
Contingency ReservesRulesLong term planningShort term planning
Actual Times/CostsWorking Conditions
Personnel requirements
Data for Forecasts
Demand for Personnel
Calculation
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PROFESSIONAL WORKING TIME MANAGEMENTNEEDS INTEGRATION OF ALL PLANNING PROCESSES
– Forecasting– Staffing & shifts– Schedules– …
NEEDS INTEGRATION OF ALL PLANNING ASPECTS– costs.– ergonomic criteria and preferences of employees– quality of products and services.– all legal requirements.– …
NEEDS EDUCATED PLANNERS– Technique– Ergonomics– …
NEEDS MECHANISMS/RULES– Company flexibility– Individual flexibility