The purpose of this chapter is to improve the administration of state government by consolidating and providing unified direction of policies, procedures and programs in the field of corrections. It is the intent of the general court that this consolidation lead to improved integration of state corrections programs and increased efficiency and effectiveness in the administration of these programs. It is also the intent of the general court that the department of corrections provide for consistency and continuity in the collection, retention and analysis of management information and records and reduction in the administrative and operating costs of corrections agencies.