Ganthead offers this free Sample Intranet Project Plan.

This sample PPC Project Engineer file shows you what a finished intranet development project plan might look like using default estimating values. Use this sample as a project plan reference, and plug your own values into the metric model to get an accurate estimate

Ganthead: http://www.gantthead.com/deliverables/Sample-Intranet-Project-Plan-PPC-Project-Engineer.html