1. Provide complete field design (ie flagging the route in the field) and construction of approximately 1,000 linear feet of single track trail, following US Forest Service Trail Class 3 Design Parameters, suitable for mountain biking. The trail shall consist of a one-way linear route connecting to the Swamp Rabbit Trail at each end. A rough trail alignment can be found here: https://caltopo.com/m/9Q59G0A Final alignment of the trail shall be mutually agreed upon by UGATA and the contractor prior to beginning of construction. 2. Construction of Rad Rabbit 4 may require installation of two small (10” plastic pipe) culverts, one each at the entrance and exit to the Swamp Rabbit Trail. Pipe shall be supplied by UGATA, all other labor and materials must be provided by contractor. 3. This section of trail shall consist of several built features for mountain biking, which are approachable for beginners yet fun for more advanced riders.