In 2–3 pages:

Create a work plan listing the tasks that will need to be completed to meet the system’s requirements.
Create a Gantt chart that is based on the details of your work plan. You may use any drawing/presentation/project management tool with which you are familiar and to which you have access. Should you decide to try project management software for this assignment, free options are available for download (such as Open Workbench at http://open-workbench.en.softonic.com/ or OpenProj at http://sourceforge.net/projects/openproj/)
Justify your choices for the work plan and Gantt chart, explaining how your choices meet the requirements of the system.
Cite your sources according to APA guidelines.