A00001 - Appendix A - REVISED___Manchester.pdf

Manchester IRSC Page 1 of 2

Arapaho and Roosevelt NFs APPENDIX A Boulder RD

Appendix A

TECHNICAL SPECIFICATIONS FOR SERVICE WORK ITEMS

TASK DESCRIPTIONS:

All non-sawtimber trees are to be removed from the project area.

Task 1 - Felling:

All trees are designated for cutting when meeting the minimum specifications for cutting as shown in the table below and not selected as Leave trees.

DBH and SPACING CRITERIA

UNIT CUTTING DESIGNATION REQUIREMENTS

All

All live Lodgepole Pine greater than 6.0 inch stump diameter Cut all live Lodgepole Pine trees

Wildlife Trees— marked with pink paint Retain all trees marked with pink paint

Task 2 – Skidding/Yarding:

(a) All Units: All non-sawtimber trees are to be yarded (whole tree skidding) to a designated landing.

(b) All Units: Skidding within 100 feet of live streams shall not be permitted. Skid trails shall be located high enough out of draws and swales to permit diversion of runoff water to forest ground cover. Prior to periods of accelerated water runoff, Contractor shall inspect and open culverts, drainage structures, construct cross ditches for road runoff and take other reasonable measures to prevent erosion.

Task 3 – Slash Treatment:

(a) All Units: All trees shall be whole tree skidded (trees are intact when skidded). All trees are to be processed (limbs and tops removed) at the landing.

(b) All Units: Incidental biomass size trees that cannot be feasibly skidded or fall out of the grapple during the skidding operation, may be treated by lopping and scattering not to exceed a depth of 18 inches.

(c) See Contract Section H.23 for the Contractor’s slash responsibility.

Task 4 – Road Maintenance:

During-haul and Post-haul road maintenance shall be performed to the standards and specifications in Appendix C, Road Maintenance Requirements.

Manchester IRSC Page 2 of 2

Arapaho and Roosevelt NFs APPENDIX A Boulder RD

Task 5 – Obliteration of Temporary Roads, Skid Trails, and Landings:

Unless otherwise agreed to in writing, temporary roads, skid trails, and landings associated with the Units listed in the following table shall be obliterated using the methods described.

OBLITERATION TABLE

UNIT TYPE OF FACILITY CLOSURE METHOD

All

Temporary Roads

(a) Temporary roads will be closed for the entire length. Closure will be accomplished using a Forest Service approved method that includes one or a combination of the following methods: slash, including large diameter cull logs; Kelly hump; tank trap; and/or rocks.

(b) Scarify to a minimum depth of 10 inches.

(c) On road sections where grades exceed 10%; create waterbreaks/waterbars every 50 feet on average.

(d) Temporary culverts will be completely removed from the National Forest and the streambanks at the crossing will be reshaped to a natural profile.

Fill used to cover the culvert will be scattered outside of the riparian area.

(e) Seed as directed in K-G.6.0.1#.

(f) Where available, up to 60% of the disturbed surface of the facility will be covered by scattering slash so it will not exceed 12 inches above the ground surface. Slash preferred will be tops and foliage.

(g) The temporary road that crosses private property shall be fully recontoured after use in addition to scarify and seed as stated above.

Landings

(a) Scarification to a minimum depth of 10 inches.

(b) Seed as directed in K-G.6.0.1#.

(c) Where available, up to 60% of the disturbed surface of the facility will be covered by scattering slash so it will not exceed 12 inches above the ground surface. Slash preferred will be tops and foliage.

All Main Skid Roads/Trail Approaches to Landings 100 feet into the Units

Contract Administration team will determine which obliteration method will be used on a site-by-site basis. These methods may include, but are not limited to: install drainage structures; place slash or other material (rocks, logs, stumps); out slope roadbed; and/or decompact by scarification to a depth of 10 inches.