Competency needs are the correct basis for workforce planning because a reliability organization must first understand the capabilities required to execute its strategy. Workforce planning is not simply filling boxes on an organization chart or following generic HR policy. It must identify the technical, analytical, leadership, safety, planning, condition-monitoring, reliability-engineering, and work-execution competencies needed for current and future performance. Option B is incorrect because HR policy governs employment practices, but it does not define the capability demand created by the reliability strategy. Option C is also incorrect because an organizational chart shows structure and reporting lines, not whether the people in those roles have the skills required to perform. In CRL Leadership for Reliability, competency-based learning and human capital management are central because reliability performance depends on people being prepared to perform the right work correctly. Reliabilityweb states that a competency model based on Uptime Elements identifies the skills, knowledge, and characteristics needed to be an effective reliability leader. That makes competency needs the proper foundation.