Apply expertise to your project as required. This can range from creation of simple schedules and budgets (to help you get organized), all the way through to managing all project phases as your representative.
Study feasibility. Collect & analyze data. Research best practices. Prepare drawings and sketches of design concepts. Perform due diligence to manage risk. Evaluate bids. Gather lessons learned. Consult with subject matter experts, etc.
Prepare PowerPoint and other media to communicate ideas and concepts. Employ minutes, work flow diagrams, org charts, activity registers, etc. to help your projects run smoothly.