Ask yourself these questions after you have described your recommendation and the analysis supporting it:
1. Did I solve the problem(s) that I identified?
2. Did I support each decision in the most effective manner possible, considering the facts with which I had to work?
If the answer is 'Yes' to both questions, you have completed your analysis and can conclude the effort with the final section. If not, you started writing the report too soon and should backtrack and rebuild your case.
The analysis should occupy the majority of the space in the report.
Conclusion
The main paper of this section is to bring together the key points that have been made. It is the synthesis of all your work, and supporting arguments should be restated in a summary fashion. Do not simply state that 'The argument above support this as the proper decision.' This wording forces the reader to refer back to the main body of the report to understand what you mean. The conclusion section must stand on its own feet.
This is where the brief implementation plan should be presented. A good format is to list each of the basic implementation steps. Try to keep the list short.