In deze samenvatting gaat het over operations planning and scheduling. Verschillende soorten planningen, supply options, type of costs and workforce scheduling worden benoemd.
OPM H10
Operations Planning and
Scheduling
Operations planning and scheduling = the process of balancing supply with
demand, from the aggregate level down to the short-term scheduling level
Demand management = the process of changing demand patterns using one or
more demand options
- Complementary products anticipation inventory
- Promotional pricing workforce adjustment (hiring or layoffs)
- Prescheduled appointments workforce utilization (over- and undertime)
- Reservations part-time workers and subcontractors
- Revenue management vacation schedules
- Backlogs workforce schedules
- Backorder job and customer sequence
- Stockouts expediting
Types of plans with operations planning and scheduling:
- Sales and Operations Plan (S&OP)
o A plan of future aggregate resource levels so that supply is in balance
with demand
o It states a company’s or department’s production rates, workforces
levels, and inventory holdings that are consistent with demand
forecasts and capacity constraints.
o The S&OP is a time-phased plan, meaning that is projected for several
time periods into the future
- Aggregate Plan
o Another term for the sales and operations plan
- Production Plan
o A sales and operations plan for a manufacturing firm that centers on
production rates and inventory holdings
- Staffing Plan
o A sales and operations plan for a service firm, which centers on staffing
and on other human resource-related factors
- Resource Plan
o An intermediate step in the planning process that lies between S&OP
and scheduling.
o It determines requirements for materials and other resources on a more
detailed level that the S&OP.
- Schedule
o A detailed plan that allocates resources over shorter time horizons to
accomplish specific tasks
, Levels in Operations Planning and Scheduling:
- Level 1: Sales and Operations
Planning
o Aggregation
Services or products
Workforce
Time
o Information inputs
o Related plans
Business plan
Annual plan
- Level 2: Resource Planning
o A process that takes sales and
operations plans Figure 10.1 Managerial Inputs from Functional Areas to
Sales and Operations Plans
o Processes time standards, routing, and
other information on how services or
products are produces,
o And then plans the timing of capacity
and material requirements
- Level 3: Scheduling
o A process that takes the resource plan
and translates it into specific
operational tasks on a detailed basis
S&OP Supply Options:
1. Anticipation inventory
2. Workforce adjustment
Figure 10.2 The Relationship of Sales and
3. Workforce utilization Operations Plans to Other Plans
4. Part-time workers
5. Subcontractors
6. Vacation schedules
S&OP Strategies:
- Chase strategy
o A strategy that involves hiring and lying off employees to match the
demand forecast
- Level strategy
o A strategy that keeps the workforce constant, but varies its utilization
via overtime, undertime, and vacation planning to match the demand
forecast
- Mixed strategy
o A strategy that considers the full range of supply options
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