Purchasing and _ represent the implementation and control phase of the production planning and control system.

production activity control (PAC)

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production activity control (PAC)

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·         Strategic Business Plan

It is senior management’s statement of the broad direction of the firm, major goals and objectives the company expects to achieve over the next two to ten years or more.

It is based on long-range forecasts and provides a framework that sets the goals and objectives for further planning by marketing, finance, engineering and production/operations. The level of detail is not high.

It is concerned with general market and production requirements. It is often stated in dollars rather than units.

·         Production Plan (PP)

Given the objectives set by the strategic business plan, production management is concerned with the following:

The quantities of each product group or family that must be produced in each period,

The desired inventory levels,

The resources of equipment, labor, and material needed in each period

The availability of the resources needed.

For effective planning, there must be a balance between priority and capacity.

·         he planning horizon is usually six to 18 months and is reviewed perhaps each month or quarter.

·         Master Production Schedule (MPS)

MPS breaks down the production plan to show, for each period, the quantity of each end item to be made.

Inputs to the MPS are

The production plan, the forecast for individual end items,

sales orders,

inventories, and

existing capacity.

The level of detail for the MPS is higher than for the production plan.

The planning horizon usually extends from three to 18 months but primarily depends on the purchasing and manufacturinglead times.

Master scheduling describes the process of developing a master production schedule;

The term master production schedule is the end result of the process.

Plans are reviewed and changed weekly or monthly.

·         Material Requirements Plan (MRP)

MRP is a plan for the production and purchase of the components and/or services used in making the items in the MPS.

The MRP establishes when the components and services are needed to make each end item.

The level of detail is high.

The planning horizon is similar to MPS, extending from 3 to 18 months.

·         Purchasing and Production Activity Control (PAC)

PAC represents the implementation and control phase (execution phase).

Purchasing is responsible for establishing and controlling the flow of raw materials into the factory.

PAC is responsible for planning and controlling the flow of work through the factory.

The planning horizon is very short. The level of detail is high.

·         Capacity Management

At each level in the manufacturing planning and control system, the priority plan must be tested against the available resources and capacity of the manufacturing system.

The basic process is one of calculating the capacity needed to manufacture the priority plan and of finding methods to make that capacity available.

If the capacity cannot be made available when needed then the plans must be changed.

Regards,

Saiyid

PPC control phase is represented by Production activity control

Purchasing and production activity control represent the implementation and control phase of the production planning and control system.

material requirements planning (MRP)

sorry i'm not expert on this field

production activity control is the answer