1.0 Introduction
1.1 Aim
This assessment will critical review the process of BHP Billiton changes and detail practice application as result use the managing change theory.
1.2 Structure Critical evaluation Alternative change intervention Maintain the change
1.3 Main point previewed Implementation process Institutionalization
1.4 General background Diagnosing the problem

2.0 Critical evaluation

Interventions:
Intervention is a tool using when organization planned change in current situation. To effectively adapt and thrive in today's business world, organizations need to implement effective organizational development interventions (Bridges, 1991). Interventions are aimed at improving organization performance in group and individual levels; these changed are intended to improve the efficiencies and effectiveness in the functioning of the organizations. To achieve effective intervention needs to have valid information, free and informed choice and internal commitment of the organizations, also, it needs to linked with the firm’s vision and focused at the appropriate level of the company. Effective intervention is a mixture of actions; use to transfer competence to manage change to organization members.

Culture change

Culture change helps organizations develop cultures appropriate to their strategies and environments. Organization culture includes behaviours, values, beliefs and norms; it is the soul of the organization. When organization starts intervention on company structure; culture is a soft way to help organization apply those change activities. Peters (1982) said: all successful companies known what the company’s proposal are and establish and formed a company's value standard seriously. Organization culture giving all organization members a clear direction to achieve efficiency developing, give employee a strong culture can easier