Recent works in Planning and Scheduling, lead to a great expectations about how to apply achieved results in real systems. In this scenario, methods, tools and concepts from Knowledge and Requirements Engineering seem to be a key issue for characterizing, understanding and specifying the domain of planning problems. In this case a special attention should be given to the initial stages of the process, where knowledge about the domain is incomplete and there are a few tools to support or partially automate the process, and there is a lack of formal methods for modeling and analysis of requirements in the existing tools. This work proposes the ReKPlan (Requirement Engineering Using KAOS for Planning Problems) which uses KAOS, a goal-oriented method, for modeling requirements. However, the use of KAOS (or another goal-oriented method) don't seem the most appropriate for formal verification of the dynamic behavior of planning systems. The purpose of this work is to combine the use of KAOS with Petri Nets formalism (Rdp)-GHENeSys approach specifically-for modeling and analyzing requirements in the design of planning system. Finally is proposed a model driven engineering mechanism over a design for guiding, until the generation of PDDL instructions as input for planners to solve problems.