Specifications include, but are not limited to: 1. Trail construction a. All trail construction shall meet the specifications and standards for sustainable backcountry trail for full bench trail construction, outlined by author David Salisbury in his “Complete Guide to Trail Building and Maintenance” book, unless an alternative is approved by a designated State Parks representative and approved. b. The contractor is responsible for providing all trail-building tools and transportation. Trail building machinery shall be restricted to electric and gas operated hand tools and mini skid steer systems with a wheel or track width of 42 inches or less. c. The trail must be designed to provide a long-lasting, sustainable, back country trail that can be crossed by novice hikers with moderate effort. i. Due to the nature of the terrain and location of the project, the trail section shall not be designated as an Americans with Disabilities (ADA) compliant trail. ii. The trail shall be designed for hiking and foot traffic only. d. Prior to the start of construction, the State shall provide the contractor with a daily contact list for the designated park staff member from the Cumberland Trail Scenic Park. The list shall identify the points of contact for issues, questions, and design modifications/exceptions. e. The trail corridor includes the trail tread, back slope, out slope, and ceiling above the trail tread. i. The trail corridor should be cleared by removing small trees and limbs to open a "6-foot-wide by 8-foot-tall box". ii. Trees with diameter of 4 inches including roots system shall be removed if in trail tread. iii. Trees 4 inches in diameter in trail corridor but not in trail tread can be cut down to ground. iv. Trees alive or dead with diameter greater than 4 inches cannot be removed unless authorized for the purpose of moving machinery for trail construction. The removal of these trees must be approved by the designated park staff member. f. The trail tread shall be a minimum of 30 inches with a full or solid bench. i. Fill material shall not be used to gain trail width. ii. In areas where rock and trees cannot be removed, a minimum 18 inches of trail tread is acceptable for up to 3 feet of the trail length and must maintain the same trail grade. g. The trail tread must have an out slope of 3% - 6% to ensure proper drainage. i. Roots and rock that pose a tripping hazard shall be fully removed. ii. The trail back slope should be at an angle that resembles the slope of the terrain.
