It also defines agency-wide requirements for information architecture, methodology, project management and technology tools that comply with public policy and statewide policies, standards and guidelines. The IRM phases that apply to development are design, construction and installation. Activities,deliverables and responsibilities are defined for each of these development phases during project planning and are managed by the appropriate Management Framework functions. Logical designs convert conceptual designs to an information processing point of view. Logical designs are detailed enough to create a physical design, but independent of a specific physical implementation.
Physical designs convert logical designs to the design of a specific physical implementation.
Physical constraints, performance concerns and technology-specific details are incorporated into physical designs. The intent of the conceptual design phase is to review project requirements and create, verify, refine or redesign the agency business and information resource models to address the projects requirements. The conceptual design specifications are preserved for future reference. The logical design enables agencies to understand the detail of the bigger picture from an information processing point of view. The logical design specifications are derived from the conceptual design specifications, and are preserved for future reference.