B01c_EG_Appendix_C.docx

Solicitation: 1282CS19Q4004 ENSIGN GULCH Stewardship Appendix C Contract: Assigned at award

APPENDIX C – ENSIGN GULCH STEWARDSHIP

Road Maintenance Specifications

T- Specifications T-802, T-803, T-807, T-808, T-814, shall be included in the Carrol Lakes Stewardship Project. See the following Tables for Pre-Haul, During-Haul and Post-Haul Maintenance on the applicable roads.

Contract Road Maintenance Requirements Summary Applicable Pre-haul Maintenance Requirements

T-803

T-807

T-808

T-814

C=Contractor Performance Item Applicable During-haul Maintenance Requirements

T-803

T-807

T-814

C

C

Applicable Post-haul Maintenance Requirements

T-803

T-807

T-814

Road Maintenance T-Specifications

SPECIFICATION T-800 DEFINITIONS

Wherever the following terms or pronouns are used in Specifications T-801 through T-811, the intent and meaning shall be interpreted as follows:

800-1.1 - Agreement. Maintenance projects require a mutually acceptable method to resolve the problems which arise when incompatible situations arise between drawings and specifications and actual conditions on the ground to allow orderly and satisfactory progress of the maintenance.

These specifications have been developed in anticipation of those problem areas and have provided that such changes will be by Agreement.

It is intended that drawings and specifications will govern unless "on-the-ground" conditions warrant otherwise, when specifications call for "Agreement", "agreed", or "approval" such Agreement or approval shall be promptly confirmed in writing Prehaul Maintenance work the Contractor elects to perform will be in compliance with the Road Maintenance T-Specifications.

800-1.2 - Annual Road Maintenance Plan. A plan prepared by various users of one or several roads. The plan is an Agreement on maintenance responsibilities to be performed for the coming year.

800-1.3 - Base Course. Material used to reinforce Subgrade or, as shown on drawings, placed on Subgrade to distribute wheel loads.

800-1.4 - Berm. Curb or dike constructed to prevent Roadway runoff water from discharging onto embankment slope.

800-1.5 - Borrow. Select Material taken from designated borrow sites.

800-1.6 - Crown, Inslope, and Outslope. The cross slope of the Traveled Way to aid in drainage and traffic maneuverability.

800-1.7 - Culverts. A conduit or passageway under a road, trail, or other obstruction. A culvert differs from a bridge in that it is usually entirely below the elevation of the Traveled Way.

800-1.8 - Drainage Dip. A dip in the Traveled Way which intercepts surface runoff and diverts the water off the Traveled Way. A Drainage Dip does not block the movement of traffic.

800-1.9 - Drainage Structures. Manufactured structures which control the runoff of water from the Roadway including Inslope, overside drains, aprons, flumes, downdrains, downpipes, culverts and the like.

800-1.10 - Dust Abatement Plan. A table which lists the road, dust palliative, application rates, and estimated number of subsequent applications.

800-1.11 - Lead-off Ditches. A ditch used to transmit water from a Drainage Structure or Drainage Dip outlet to the natural drainage area.

800-1.12 - Material. Any substances specified for use in the performance of the work.

800-1.13 - Prehaul Maintenance. Road maintenance work which must be accomplished to maintain the roads to a satisfactory condition commensurate with the Contractor's use, provided Contractor's Operations do not damage improvements under FAR 52.236-9 or National Forest resources and hauling can be done safely. This work will be shown in the Annual Road Maintenance Plan as provided in Appendix C.

800-1.14 - Roadbed. The portion of a road between the intersection of Subgrade and sideslopes, excluding that portion of the ditch below Subgrade.

800-1.15 - Road Maintenance Plan. A table which shows applicable road maintenance specifications to be performed by Contractor on specific roads.

800-1.16 - Roadside. A general term denoting the area adjoining the outer edge of the Roadway.

800-1.17 - Roadway. The portion of a road within the limits of excavation and embankment.

800-1.18 - Shoulder. That portion of Roadway contiguous with Traveled Way for accommodation of stopped vehicles, for emergency use, and lateral support of base and Surface Course, if any.

800-1.19 - Slide. A concentrated deposit of Materials from above or on back slope extending onto the Traveled Way or Shoulders, whether caused by mass land movements or accumulated raveling.

800-1.20 - Slough. Material eroded from the backslope which partially or completely blocks the ditch, but does not encroach on the Traveled Way so as to block passage of traffic.

800-1.21 - Slump. A localized portion of the Roadbed which has slipped or otherwise become lower than that of the adjacent Roadbed and constitutes a hazard to traffic.

800-1.22 - Special Project Specifications. Specifications which detail conditions and requirements peculiar to the individual project.

800-1.23 - Subgrade. Top surface of Roadbed upon which Base Course or Surface Course is constructed. For roads without Base Course or Surface Course, that portion of Roadbed prepared as the finished wearing surface.

800-1.24 - Surface Course. The Material placed on Base Course or Subgrade primarily to resist abrasion and the effects of climate. Surface Course may be referred to as surfacing.

800-1.25 - Surface Treatment Plan. A table which lists the roads and surface treatments to be applied.

800-1.26 - Traveled Way. That portion of Roadway, excluding Shoulders, used for the movement of vehicles.

800-1.27 - Turnouts. That portion of the Traveled Way constructed as additional width on single lane roads to allow for safe passing of vehicles.

800-1.28 - Water Source. A place designated on the Road Maintenance Map for acquiring water for road maintenance purposes.

800-1.29 - Waterbar. A dip in the Roadbed which intercepts surface runoff and diverts the water off the Roadway. A Waterbar is not designed to be traversable by logging trucks.

SPECIFICATION T-802 DITCH CLEANING

DESCRIPTION

1.1 Ditch cleaning is removing and disposing of all Slough Material and other debris from Roadway ditches, including outlet and lead-off ditches, to provide a free-draining waterway.

REQUIREMENTS

3.1 Ditch cleaning shall be repeated during the year as often as necessary to facilitate proper drainage.

3.2 All Slough Material or other debris which might obstruct water flow in the Roadway ditch shall be removed. Material removed from the ditch, if suitable, may be blended into existing native road surface or Shoulder or placed in designated Berms in conjunction with Surface Blading T-803 operations.

Material removed from ditches that is not by Agreement blended into existing roads or placed in Berms shall be loaded and hauled to the disposal site designated by the Forest Service.

3.3 Roadway backslope or Berm shall not be undercut.

SPECIFICATION T-803 SURFACE BLADING

1.1 Surface blading is keeping a native or aggregate Roadbed in a condition to facilitate traffic and provide proper drainage. It includes maintaining the Crown, Inslope or Outslope of the Traveled Way, Turnouts, and Shoulder; repairing Berms; blending approach road intersections; and cleaning bridge decks, Drainage Dips, and Lead-off Ditches.

REQUIREMENTS

3.1 Surface blading shall be performed before, during, and after Contractor's use as often as necessary to facilitate traffic and proper drainage.

3.2 The surface blading shall preserve the existing cross-section. Surface irregularities shall be eliminated and the surface left in a free-draining state and to a smoothness needed to facilitate traffic. Surface Material which has been displaced to the Shoulders or Turnouts shall be returned to the Traveled Way. The blading operation shall be conducted to prevent the loss of surface Material and to provide for a thorough mixing of the Material being worked.

3.3 Water, taken from Water Sources designated on Contract Area Map, shall be applied during blading if sufficient moisture is not present to cut, mix, or compact the surface Material.

3.4 On native surfaced roads, Material generated from backslope Sloughing, and ditch cleaning may be blended with the surface Material being worked. On aggregate surfaced roads this Material shall not be blended with Surface or Base Course Material unless agreed otherwise.

3.5 Roadway backslopes or Berms shall not be undercut, nor shall new Berms be established unless agreed otherwise.

Berms shall be repaired by placing Material, as needed to restore the Berm, to reasonably blend with existing line, grade, and cross-section.

3.6 Drainage Dips and Lead-off Ditches shall be cleaned and maintained to reasonably blend with existing line, grade, and cross-section.

3.7 Intersecting roads shall be bladed for a distance of 50 feet to assure proper blending of the two riding surfaces.

3.8 Rocks or other Material remaining on the Traveled Way after the final pass that are larger than 4 inches in diameter or are larger than the maximum size of imported surfacing shall be removed from the Traveled Way. Unless otherwise designated by the Forest Service, the oversized Material shall be disposed of by sidecasting. Sidecasting into streams, lakes, or water courses will not be permitted.

3.9 Material resulting from work under this specification shall not remain on or in structures, such as Culverts, overside drains, cattleguards, ditches, Drainage Dips, and the like.

3.10 Material resulting from work under this specification, plus any other accumulated debris, shall be removed from bridge decks and the deck drains opened. This includes existing debris under pre haul maintenance.

SPECIFICATION T-807 ROADWAY VEGETATION

DESCRIPTION

1.1 This work consists of cutting vegetative matter including brush and trees from within the Roadway limits.

REQUIREMENTS

3.1 Remove all vegetative matter from Roadbed and ditch for a minimum Roadbed width of twelve (12) feet and ditch width of three (3) feet. Roadbed width includes extra width for curve widening and turnouts. Cut trees and brush parallel to the ground and to a maximum height of one (1) inch above the ground. All limbs which extend over the roadbed or ditch within fourteen (14) feet above the road elevation shall be removed. Tree limbs shall be trimmed as near flush with the trunk as practicable or to within twelve (12) inches from the tree.

3.2 Remove all vegetative matter less than four (4) inches in diameter for 2’ from road shoulder each side of the road including ditch section. Cut trees and brush outside the roadbed and ditch to a maximum height of six (6) inches above the ground surface.

3.3 Remove all vegetative matter from Roadway which interferes with rolling dip or culvert drainage, road maintenance operations such as surface blading and ditch cleaning, and on curves and intersections where sight distance is impeded.

3.4 Vegetative matter removed from the Roadway in excess of one (1) foot in length or three (3) inches in diameter shall be scattered outside the roadway to a depth less then eighteen (18) inches above the ground.

3.5 Vegetative matter shall not be placed in live streams or drainages.

SPECIFICATION T-808 MISCELLANEOUS STRUCTURES

DESCRIPTION

0. Maintenance of miscellaneous structures includes cattleguards, gates, and other similar structures that have been previously installed to insure safe and efficient operation of the road.

0. Furnish and install 16 foot wide Type II road closure gates SHOWN ON DRAWINGS* using fabricated gates and accessories. Remove and salvage gates no longer needed.

MATERIALS

2.1 Any Materials needed in the maintenance of miscellaneous structures shall be similar in type and quality to the Material in the structure being maintained.

2.2 Provide Type II Gate SHOWN in “Exhibit 1 Appendix C Drawings.” Ensure all hardware is galvanized in accordance with AASHTO M 232 and meets the requirements of ASTM A 307. Furnish American Standard plain or cut washers. Furnish timber post lumber that meets the requirements of AASHTO M 168. Furnish and place bag-mix concrete or equal.

REQUIREMENTS

3.1 Cattleguards. Loose rails shall be welded or bolted back in place.

Excess Material carried into the cattleguard shall be removed when drainage is blocked or when it reaches 6 inches from the bottom of the cattleguard frame. Drainage into and from the cattleguard shall be kept open.

3.2 Gates. Gates shall be kept in good repair and made to swing easily. Hinges or latches shall be repaired if not operating properly.

Brush and debris shall be removed from within the swinging radius.

CONSTRUCTION

4.1 Performance. Place road closure devices at locations DESIGNATED ON THE GROUND. Construct all devices to the required dimensions SHOWN in “Exhibit 1 Appendix C Drawings.” In assembling the gates, perform required welding in accordance with the best modern practice and the applicable requirements of AWS D1.1.

After assembly clean all damages to the galvanizing and paint them with one coat of zinc-rich primer and two coats of exterior enamel of the required type and color.

Set all posts vertical and embed them to the required depth. Place concrete for embedment against undisturbed earth with an excavation sized to achieve the embedment dimensions. Compact the backfill in 6 inch layers to the finished grade.

Furnish and install all signs and/or reflective warning markers accessory to the road closure device.

Remove gates no longer needed. Gates designated for salvage by the Forest service will be removed, salvaged and stored for re-use. Gates removed and not designated for salvage by the Forest service become the property of the contractor.

SPECIFICATION T-814 DRAINAGE EXCAVATION

1.1 This work shall consist of excavation and shaping of roadway drainage structures to drain freely including rolling dips, grade dips, roadway ditches, lead-off ditches, and catch basins. Any clearing and grubbing necessary to accomplish the drainage excavation is considered incidental to the pay item.

WORK REQUIREMENTS

3.1 Clearing & Grubbing - All trees, stumps, roots and other protruding vegetative material shall be cleared from drainage. Trees shall be cut into lengths not to exceed 5 feet and all limbs removed. Logs, slash and s tumps shall be scattered outside the drainage or as directed by the Forest Service.

3.2 Excavation - Drainage structures shall be excavated and shaped to a depth and width to provide drainage in conformity with the line grades and cross section as SHOWN ON THE DRAWINGS at locations designated on the ground. Hand work may be necessary to obtain a smooth surface and uniform cross section. Lead-off ditches shall be provided for a distance necessary to drain unless otherwise approved by the Forest Service. Roadside ditches shall be free draining. Material removed if suitable, shall be blended into the existing native road surface or shoulders. Unsuitable material shall be spread evenly and not heaped against existing vegetation. Large rocks encountered during excavation of drainage structures that interfere with the lines and grades of the structure shall be removed, when practical and placed so that they will not roll or obstruct the use and maintenance of the roadway or moved to locations approved by the Forest Service.

MEASUREMENT

4.1 Drainage dip and catch basin measurement will be the number of each item completed and accepted.

Roadside ditches and lead-off ditches will be measured by linear measurement, horizontally along the centerline of the ditch.