For Project Cost Management as it pertains to lessons learned during resource planning, cost estimation, budgeting and cost control, or other project...

For Project Cost Management as it pertains to lessons learned during resource planning, cost estimation, budgeting and cost control, or other project cost management areas are:  When it comes to cost overruns due to unavailable experienced resources for certain tasks which used resources that had different skill sets that performed the task, how should a detailed implementation plan include: specific objectives, actions, roles and responsibilities, budget, training, revisions in process, documentation requirements, issues/risks, and any necessary management approvals?