the Blood Bank (BB) Supervisor. 1.3. Deputise for Shift Supervisor/BB Supervisor when absent or unavailable routine queries. KPA 6 General Functions 6.1. Perform Shift Supervisor functions and other related duties when HOURS ETC.) Overtime as and when required. Shift work and weekend duties as scheduled. Occasional AFTER HOURS ETC.) Overtime as and when required. Shift work and weekend duties as scheduled. Occasional