Identify who is responsible for each step and who will be supporting them. Support people are not responsible for the outcome of an step, but they assist in the process. Provide a clear schedule for completing steps. Your final goal may be a short_term project or take years to complete. It's important to break down the timeline for each step along the way.List the resources necessary for accomplishing steps. If sufficient resources are not currently available, include a plan for their acquisition.
Snowflake method checklist. Maybe you'd rather work from the top down than from the ground up. Inspired by fractal geometry (really!), Randy Ingermanson's "snowflake method" grows an entire novel from a single sentence. Each step of the process methodically expands upon the one before, filling in detail until you have a complete draft.