The planning and control of operations is all about understanding and managing demand from customers, providing the required resources to meet that demand and planning and scheduling the use of those resources. That means not only manufacturing meet due dates either for stock or for specific customer orders, but operation planning function also aims to ensure that operations resources are used efficiently. Since in most situations over-provision of resources is costly, whilst under-provision will lead to miss deadlines.
INFORMATION REQUIRED FOR OPERATIONS PLANNING FUNCTION
The information has been categorized into 3 sections showed as follows:
At the time of issuing a marketing forecast, marketing department will issue an instruction which will authorize the manufacture of a product or group of products. This is the initial information required for arising production planning and control activities.
?nbsp; Data required for measurement of load
The production department will then obtain from the planning department a route and schedule of manufacture for each product.
An example is showed as follows:
Job numberProductQuantityDue week
Operation Department Number of standard operator hours SettingTime Number of Operator
Outstanding work should also be considered so as to avoid obtaining the route and schedule of manufacture with understated load.
?nbsp; Data required for the measurement of capacity
Capacity is the resource available to complete the available work during any convenient period of time. Clearly there must be some match between needs characterized by market forecast and abilities characterized by capacity. That why production manager will give a statement of each department capacity, which involves assessing labor, equipment, hours of work and material requirements after summarizing all jobs. These figures represent the biggest capacities hold by each department, but actual capacities. So it is necessary to adjusted downwards to allow for absenteeism, casual holidays, maintenance requirements, work efficiencies, accidents and...