Possessing all the necessary skills and with all the money spent on spares and training, why is that maintenance activity runs smoothly in certain companies and not others? This is because the maintenance department plans the activity and schedules it properly. In simple words, planning maintenance activity is going through all the steps to perform a task on paper (or on screen). Planning is just figuring out what resources needed for each step. There are a few steps in the Planning process. They are: A need has been shown through a work request, work order or notification, an Inquiry has asked whether the job should be done, getting approval if necessary based on an estimate of costs.