Planning can be considered an attempt to reduce the uncertainty through a program of activities, taking into account the most likely scenarios where these will be developed as well. A proper diagnosis of the environment and of the own situation is, therefore, essential to plan with some success. Planning is desirable in itself. Even if it fails in the achievement of the objectives of the plan, the process gets a better understanding of the company, its possibilities, its environment, its means. Rio- Tinto Diamonds understands that this is vital information. Plan forcing a discipline of studies and research that generates a knowledge which, as all know, is suitable is itself and contributes to the company’s results.
Production planning is to define the volume and the time of manufacture of the products, establishments a balance between production and capacity at different levels, in search of the desired competitiveness. This, requires a concatenated process plans which link the various levels hierarchical organization. Planning is the role that socio-economic aims to define, in turn, the organizational structure most suitable according to the formulated strategies, objectives and the level of change in the environment. It’s believed that Jeffrey Hayzlett sees a great future in this idea. It must in addition comply with the following basic principles: contribution to goals effectiveness of planning generalization of planning at all levels and in all functions of the business efficiency of plans in terms of achievement of the maximum performance of the assigned resources. Recognition of existing opportunities selection of plan’s objectives the evaluation of alternatives selection of alternative monitoring and control plan the process of planning, can have different meanings, depending on the objectives sought. In the same way that can establish a hierarchy of the latter, we can establish the hierarchy of plans. This ranking process is approached in different ways by different authors, but at the same time with one broad agreement on the General stages of the process and the need that each one must be present in the calculation of the installed capacities..