A team of 20 maintenance personnel maintains a widely distributed network of 60 storage tanks on a 20 acre site. You are asked to perform
1. Estimate how much time on average the team spends on direct hands-on maintenance of equipment (vs traveling, admin and personal time
2. estimate the percentage of time the tanks are operational
What technique is most efficient?
A. Time study
B. Predetermined time systems
C. Work sampling
D. lean six sigma
Answer: C