Assume you are in charge of implementation and deployment of a new system that is replacing a critical existing system that is used 24 hours a day. To minimize risk, you plan to phase in deployment of new subsystems over a period of six weeks and operate both systems in parallel for at least three weeks beyond the last new subsystem deployment. Because there aren’t enough personnel to operate both systems, you plan to hire up to 30 temporary workers during the parallel operation period. How should you use the temporary workers? In answering that question be sure to consider these issues:

a. Some current personnel will be trained before subsystem deployments, and those employees will train other employees.

b. Employees newly trained on the system will probably not reach their former levels of efficiency for many weeks.