SOW_CRD_HoustonValley_OHV_Restoration_2023.docx

SCOPE OF WORK – SECTION C

CHATTAHOOCHEE-OCONEE NATIONAL FOREST, CONASAUGA

RANGER DISTRICT, WHITFIELD COUNTY, GEORGIA

CONASAUGA RD HOUSTON VALLEY TRAIL RESTORATION

C.1 Description of Work

The Contractor(s) shall furnish all labor, supervision, equipment and materials to perform all operations necessary to accomplish the work in accordance with the Solicitation Provisions, Contract Clauses, Statement of Work, and contract issued as a result of this solicitation.

The work under this contract is considered service work and the Service Contract Act wage determination and service contracting and payment procedures will apply to those orders.

All equipment proposed for use for performance of the work shall be of the size, type, and in such condition to properly pursue the requirements of this contract. The contractor’s proposed equipment shall be made available to the Contracting Officer for inspection prior to award of the contract if requested by the Contracting Officer.

Trail treadway on 23.2 miles will be restored to the original template and will have a smooth and consistent finish. On all trail miles contractor will perform drainage maintenance that will include cleaning eight culverts, cleaning and restoring a total of 615 drainage dips and their outlets; directing water from the trail where washing of the trail bed is or has been occurring; draining low spots in the trail bed that tend to hold water, and re-establishing clearing limits.

All OHV trails within the Houston Valley trail system are Trail Class 3, double-lane, all-terrain vehicle trails. (See Design Parameters: All-Terrain Vehicles, Appendix A). Existing trail widths vary from 8 to 16 feet and are to be maintained to their existing widths. Projectwide, 15.2 (65.5%) of the total trail miles are to be maintained to an-8-10 foot width. Eight miles (34.5%) are to be maintained to a 16 foot width.

C.2 Project Location

Work will be performed solely on the Houston Valley trail system of the Conasauga Ranger District.

Directions to the Houston Valley OHV system trailhead: From I-75 take exit #336 Dalton/Rocky Face exit. Go north on US Hwy 41 for approximately 3 miles to intersection with GA Hwy 201. Turn left on GA Hwy 201 and go to second road on the right, Houston Valley Road. Turn right on Houston Valley Road and continue thru two intersections. Go 1 mile past the second intersection to Capehart Road on the left. Turn left on Capehart Road and continue for 1 mile to dead end at parking lot for Houston Valley Area.

C3. Work Items

Item Number 907(01): Mobilization: This work consists of moving personnel, equipment, material, and incidentals to the project and performing all work necessary before beginning work at the project site. Mobilization includes the costs associated with obtaining permits, insurance, and bonds. Mobilization is not intended to pay for the costs of materials before they are used on the project site.

Item Number 911.30.01 – Existing Trail Maintenance - Existing Trail Maintenance – 23.2 miles

Restore the original trail template, including removing slough and berm, filling ruts and troughs, reshaping backslopes, reshaping trail tread, restoring drainage and removing protruding rocks, roots, stumps, slough, and berms.

The items specific to this requirement are as follows:

· Rock and Root Removal. Uniformly scatter the removed rocks and roots below the trailway anddistribute to ensure no blockage of watercourses or creation of a windrow. Fill holes with suitable material and compact.

· Slough and Berm Removal and Excess Material. Use suitable slough and berm material within the trailway to restore the trailbed as SHOWN ON THE PLANS. Place all unsuitable and excess material beyond the downslope edge of the trailbed and uniformly spread to a depth not exceeding 4 inches and so as not to obstruct drainage or interfere with the drainage of outsloped tread. Remove berm when daylight can be obtained within a distance of 5 feet from the outslope edge of finished tread unless otherwise DESIGNATED ON THE GROUND or SHOWN ON THE PLANS.

· Fill Material and Borrow. Use suitable material to fill ruts, troughs, and potholes in the tread that cannot be leveled and outsloped through performance of work in Subsection 915.06. Compact and shape as SHOWN ON THE PLANS.

· Drainage. Restore drainage dips and ditches to reestablish drainage as SHOWN ON THE PLANS by removing obstructions such as rocks, roots, and sticks to make ditches and culverts free draining.

Clean deposited material and restore drain dips by removing all debris from the lead-off area of dips that restricts the free flow of water away from the trail. Use suitable material obtained by cleaning dips for fill on the downgrade side, removing rock more than 3 inches at its greatest dimension. Compact all material placed in the trail tread.

There are a total of 615 dips on the Houston Valley System.

· Reshaping and Finishing Trailbed and Backslopes. Provide a firm and uniformly finished trailbed in accordance with cross-sections SHOWN ON THE PLANS.

Item Number 912.30 - Logging Out : This work consists of removing brush, logs, and down trees from the clearing limits. Total trail miles: 23.2 miles

· Cut and remove all logs that extend across or into the clearing limits. The portions of cut logs that remain on the upper side of the trail shall be either firmly anchored to prevent sliding or rolling onto the trailway or moved across the trail to the lower side and scattered outside the clearing limits.

Fell all trees over 4 inches in diameter that are leaning into the clearing limits and that are within 10 feet above the trailbed. Stump height of leaning trees that are cut outside the clearing limits shall not exceed 12 inches as measured on the uphill side of the stump. Disposal and payment for the leaning trees described above will be the same as for down logs and trees.

Remove roots and stumps from trees within the trailway that have been uprooted.

Rerouting the trail around windfalls, uprooted trees, and other obstacles will not be permitted. Ramp or reroute sections of the trail tread that have been damaged by uprooted stumps as necessary to provide safe passage on the trail. Payment for such work will be incidental to the specified work item, and no extra payment will be made.

Remove sticks or wood chunks exceeding 2 inches in diameter and 12 inches in length that have fallen onto the trailbed.

Scatter the down trees on the lower side of the trailway outside the clearing limits. Do not place such materials in stream channels, drainage ways, ditches, culvert catch basins or other locations where they would prevent the free flow of water away from the trailbed.

Item Number 921.70 – Culvert Maintenance:

This work consists of cleaning 6 existing culverts.

- Remove debris causing water to be diverted from the intended channel. Divert water off and away from the trailbed.

· If washing or ponding has been or is occurring, dig a shallow ditch sloped 2 to 5 percent to the downstream side of the trail and 3 inches minimum deep and 12 inches minimum wide across the trail at the point where water enters the trail.

· Clean ditches to permit the free flow of water into culverts and away from the trail.

· Scatter all unusable or unneeded material that is cleared from the drainage structures 3 feet or more beyond and below the trail or drainage facility and out of water courses.

· Remove debris and soil from catch basins and inlet and outlet ditches and inside culverts to permit the unobstructed flow of water into, through and away from the culvert.

Period of Performance Estimated Start Date – January 1, 2023 Contract duration – 75 days Completion Date – March 18, 2023