The document discusses the building and energy management system designed by SHAKER Consultancy Group. It describes the system's objectives of controlling and monitoring HVAC equipment and electromechanical systems. The system is classified into two categories for basic control/monitoring functions and maintenance/energy management. It outlines the interfaces between the direct digital controllers, mechanical systems, electrical systems and other building components. It also provides details about the control and monitoring of specific HVAC equipment, lighting, electrical equipment and other building systems.