Attachment 02 CNF Specifications.pdf

CNF_01/06/2022

CHEROKEE NATIONAL FOREST ROAD MAINTENANCE SPECIFICATIONS

Section 800 Definitions and Abbreviations

800.1Definitions

Wherever in these specifications, or in other contract documents, the following terms, or pronouns in place of them, are used, the intent and meaning shall be interpreted as follows:

1. Acceptable Quality Levels (AQL). AQLs for each performance standard are established in each road maintenance specification section in the attached documents. These AQLs will apply to all ordered work unless otherwise specified in a task order. Acceptance and payment for road maintenance will be based on visual inspection of pay items. If visual inspection finds that Acceptable Quality Levels for any Performance Standard is not met, rework will be required.

2. Agreed or Approved. Official agreement or approval by use of a written document issued by the Government. Agreements also require signature of Service Provider's Representative and are dated.

3. 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.

4. Base Course. The layer or layers of material placed on a subbase or a subgrade to support a surface course. (See Illustration of Road Maintenance Terms.)

5. Berm. Berms are those that are created by wrong grading methods or erosion along the road edge, prevent positive drainage from the road, and cause erosion damage to the road. These are to be removed during regular road maintenance.

6. Borrow. Select Material taken from designated borrow sites.

7. Bridge. A structure, including supports, erected over a depression or an obstruction such as water, whether on a road, a trail, a railway, and having a deck for carrying traffic or other loads.

8. Broad-based Dip. A shallow ditch placed across the roadbed to remove water from the roadbed surface that can be driven across by high clearance vehicles; usually placed diagonal to the centerline.

9. Brushing Window. The area to be brushed between the edge of the road and the clearing limits or the width given in the drawing detail or Task Order for brushing.

10. Catch Basin. The area immediately adjacent to inlet invert of the culvert.

11.Channel. A natural waterway leading into or away from a culvert or bridge.

12. Cross ditch. A shallow ditch placed across the roadbed to remove water from the roadbed surface that can be driven across by full-size pickups or other high clearance vehicles; usually placed diagonal to the centerline.

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

14. Culvert. Any structure that provides a passageway, drain, or waterway under a road or embankment.

15. Ditch. A relatively long narrow excavation placed to collect or disperse water.

16. Drainage Dip. A drainage structure that was previously constructed within the roadbed surface to form a uniform depression that allows routine passage of vehicles while diverting water from the traveled way.

17. Drainage Ditch/Roadway Ditch. A ditch located parallel to and abutting the roadbed.

18. Drainage structure. Constructed or installed structures which control the runoff of water from the Roadway including inslope, overside drains, aprons, flumes, down drains, downpipes, and the like.

19. Drawings. Illustrations showing details of required work.

20. Equipment. All machinery, operating supplies, and tools necessary for the proper performance and acceptable completion of the work.

21. Excess Material. Material from the roadway in excess to that needed for maintenance of roadway.

22. Foreslope. The slope of the ditch section nearest to the traveled way.

23. Grade. The vertical alignment of the top surface of the road.

24. Highway Vehicles. Vehicles such as, passenger cars and high clearance vehicles.

25. High Clearance Vehicles. Vehicles such as, pickups, 4x4s, and log trucks.

26.Hydrologic Function. Physical properties of the occurrence and movement of water on the earth’s surface and, specifically, that part which crosses transportation systems.

27. Lead-off ditch. A ditch used to transmit water from a Drainage Structure or

Drainage Dip outlet to natural drainage area.

28.Log-out. The work to remove fallen logs and vegetation from the roadway. Fallen logs are cut back to the clearing limits to remove from the roadside.

29. Materials. Any substances specified for use in the performance of the work.

30. Measurement. The process of identifying the dimensions, quantity, or capacity of an item.

31. Nominal Dimensions or Weights. The numerical values shown on the drawings or in the specifications as measurements for the work.

32. Paved Surface or Pavement. Denotes asphalt, concrete, or other stabilized materials excluding natural aggregates. Dust palliative treatments are not considered as pavement.

33.Right-of-Way. A general term denoting (1) the privilege to pass over land in some particular line (including easement, lease, permit, or license to occupy, use, or traverse public or private Lands), or (2) real property necessary for the project, including roadway, buffer areas, access, and drainage areas.

34. Roadbed. The portion of a road that supports the subgrade the subgrade.

35. Roadway. The portion of a road within limits of excavation and embankment.

36. Road Listing. A preliminary listing of road locations and any established work priorities.

37. Schedule of Items. A schedule in the Task Order that contains a listing and description of maintenance items, quantities, units of measure, methods of measurement, unit price and amount.

38. Shoulder. The portion of the Roadway contiguous to the Traveled Way for accommodation of stopped vehicles, for emergency use, and for lateral support of Base and Surface Course, if any.

39. Slide. A concentrated deposit of material from above or the backslope extending onto the Traveled Way or Shoulders, whether caused by mass land movements or accumulated raveling.

40. 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. Generally smaller in size than a slide.

41. Slump. A localized portion of the roadbed that has slipped, or otherwise become lower than the adjacent roadbed, and constitutes a hazard to traffic.

42.Special Project Specifications. Specifications which detail conditions and requirements peculiar to the individual project or Task Order.

43.Standard Specifications. Specifications for all divisions of work.

44.Subgrade. Top surface of roadbed upon which the 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.

45. Surface Course/Surfacing. 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.

46. Task Order. A subordinate contract order against an Indefinite Delivery, Indefinite

Quantity Contract which obligates the contractor to perform included work and obligates the Government to pay for said work.

47. Traveled Way. That portion of Roadway designated for the movement of vehicles, exclusive of Shoulders, but including Turnouts and Curve Widening.

48. Turnouts. That portion of Roadway constructed as additional width on single lane roads allowing safe passage of passing vehicles.

49. Unit of Measure. The unit and fractions of units shown in the Schedule of Items.

50. Unsuitable Material. Material removed during maintenance, which must be disposed of in designated locations. Includes material with substantial amounts of vegetation or other objectionable material.

51. Waterbar. A dip in the Roadbed which intercepts surface runoff and diverts the water off the Roadway. A dip is not intended for standard passenger vehicles.

52. Work Schedule. The Service Provider's current schedule for work progression.

800.2 Abbreviations

Whenever in these specifications, or in other contract documents, the following terms, or pronouns in place of them, are used, the intent and meaning shall be interpreted as follows:

(Reference to a specific standard or specification shall mean the latest addition or amendment thereto in effect on date of Invitation for Bids.)

AASHTO – American Association of State Highway and Transportation Officials.

ASTM – American Society for Testing and Materials.

EPA – Environmental Protection Agency.

FAR – Federal Acquisition Regulation System.

FED SPEC – Federal Specifications.

FP-14 – Standard Specifications for Construction of Roads and Bridges on Federal HighwayProjects.

FSSS- Forest Service Supplemental Specifications

MSHA – Mine Safety Health Administration.

MUTCD – Manual of Uniform Traffic Control Devices.

NBS – National Bureau of Standards.

OSHA – Occupational Safety and Health Act.

Illustration of Road Maintenance Term

811 – SURFACE MAINTENANCE 1

CNF 01/06/2022

811 SURFACE MAINTENANCE

811.01 Service Required

Smooth, shape and compact (if required) native or aggregate surfaced roads including traveled way, shoulders, turnouts, and intersections. Reshape or recondition ditches, water bars, and drain dips.

The Contractor shall provide all personnel, equipment, transportation, supervision, supplies, support equipment (vehicles), operating fuels, lubricants, and incidentals necessary to perform this work in accordance to the specifications.

811.02 Performance Standards

A road surface is maintained to standard when the travel way is free of washboards, potholes, or other irregularities. The surface is smooth, compact, crowned or sloped to drain, without segregation of the surfacing materials. Suitable materials have been recovered and incorporated. Unsuitable materials have been removed.

Ditches and road surface drainage structures function efficiently. Unpaved shoulders are shaped to provide a smooth transition from the paved surface and drain efficiently.

Under cutting backslope is permitted unless approved by CO.

When ordered by the Contracting Officer to work in a weed infested area the contractor will be required to prevent spreading the infestation into un-infested areas by cleaning vehicles and equipment. The contractor will use wash stations approved by the Contracting Officer.

811.03 Location of Work

As specified on roads listed on the road listing, shown on the plans, marked on the ground, or as ordered by the Contracting Officer. Locations of weed infested areas are marked on the ground. Do not operate in the weed infested areas unless ordered to do so by the Contracting Officer.

811 – SURFACE MAINTENANCE 2

811.04 Measurement

Measurement under this Section will be made by the total number of units for each item listed in the SCHEDULE OF ITEMS completed and accepted.

A. Single Lane Roads: Surface maintenance will be measured along the centerline of the roadway. Turnouts are incidental. Measurement will be to the nearest one-tenth (0.1) mile.

B. Double Lane Roads: Surface maintenance will be measured along the centerline of the roadway. Measurement will be to the nearest one-tenth (0.1) mile.

C. Road Mile: Work activity will be measured along the centerline of the road regardless of the number of lanes.

811.05 Payment

The accepted quantities will be paid at the contract price per unit of measurement for the Section 811 pay items listed in the schedule of items. Payment will be full compensation for the work prescribed in this Section. Mobilization and Log Out are incidental to pay item.

Pay Item Pay Unit

811(01) Surface Maintenance Level ALL roads Mile

811.06 Acceptable Quality Levels

Acceptance will be determined by visual inspection.

If visual inspection finds that all work conforms to performance standards (811.06 Acceptable Quality Levels Table) the work will be acceptable.

If visual inspection finds that work does not meet the performance standards in the table, then the associated corrections for re-work or other action will be required.

811 – SURFACE MAINTENANCE 3

811.06

Note: All references to required remedies, such as rework, for major or minor defects are at the contractor’s expense.

Description Major Defect Allowable

Major Defects

Action Required to

Correct Major Defects

Minor Defect Allowable Minor

Defects

Action Required to

Correct Minor Defects

Surface Irregularities

Potholes greater than 2” deep and wider than 1 foot

None Rework Potholes 2" or less deep and 1 foot or less wide

5 per 250-ft segment

Rework if 5 or more per 250-ft segment

Washboards greater than 1” deep

None Rework

Washboards 1” or less deep and not exceeding 20 feet long

5 per 250-ft segment

Rework if 5 or more per 250-ft segment

Road Cross Section (Level 3,4 & 5)

Crown or Cross Slope is not uniform and does not drain as specified on more than 250' of surface per mile

None Rework

Crown or Cross Slope is not uniform and does not drain as specified on less than 250' of surface per mile

5 per mile Rework if 5 or more per mile

Road Cross Section (Level 2)

Road surface does not drain properly and causes erosion, or obstructs high clearance vehicles

None Rework

Road surface does not drain properly, but does not cause erosion

Aggregate total greater than 500-ft per mile.

Rework segments more than 1 minor defect per mile.

811 – SURFACE MAINTENANCE 4

Major Defects

Action Required to

Correct Major Defects

Minor Defect Allowable Minor

Defects

Action Required to

Correct Minor Defects

Oversized Material (Level 3 & 4 aggregate surfaced roads)

Material greater than 3" diameter remaining on the road surface

None Rework

Material less than 3" diameter remaining on the road surface and traffic safety is not compromised

Total combined length of defect areas no more than 500-ft. per mile.

Rework segments if 5 or more per mile.

Oversized Material (Level 2 )

Objects in traveled way that obstruct high clearance vehicles

None Rework

Debris in traveled way that may impede high clearance vehicles

Length of segment is passable.

Rework all segments that are not passable by high clearance vehicle.

Aggregate Surface Quality

Gradation of surface aggregate is degraded by more than 10 %

None Rework

Gradation of surface aggregate is degraded by less than 10 %

N/A Accept the degraded loss.

A loss of more than 10 CY/mile

Replace or recover lost material at contractor’s expense.

A loss of less than 10 CY/mile

N/A Accept the loss of material

Surfacing is segregated over more than a 100 square yard area per 1000 linear feet of road and traffic safety is compromised

None Rework

Surfacing is segregated over less than a 100 square yard area per 1000 linear feet of road and traffic safety is not compromised

N/A Accept the loss of material

811 – SURFACE MAINTENANCE 5

Major Defects

Action Required to

Correct Major Defects

Minor Defect Allowable Minor

Defects

Action Required to

Correct Minor Defects

Backslopes

Undercut backslope will result in destabilization of slope

None Repair and Stabilize

Undercut backslope will not result in destabilization of slope

One location less than 100 feet in length per mile

Revegetate if greater than one minor defect.

Compaction

Visible displacement occurs under hauling or spreading equipment

None Rework Displacement of 1 inch or less

Segment less than 150 ft in length

Rework Segment

Ditches and Road Drainage Structures

Impeded flow or water diverted out of drainage structures

None Rework < 20% impeded, but water will stay in the channel

Less than 5 locations per mile.

Rework if 5 or greater locations per mile.

Unpaved Shoulders (Level 3,4 &5)

Elevation difference between pavement and shoulder is greater than 1"

None Rework

Elevation difference between pavement and shoulder is less than 1" for less than 100-ft segment.

Less than 5 per mile.

Rework if 5 or greater.

(Continued on next page)

Material greater than ¼-in diameter remaining on the road surface.

None

Rework if greater than 3 major defect occurrences per mile.

Material 1/4" diameter or less remaining on the road surface and traffic safety is not compromised

Less than 10 per mile.

Rework if 10 or greater.

811 – SURFACE MAINTENANCE 6

Major Defects

Action Required to

Correct Major Defects

Minor Defect Allowable Minor

Defects

Action Required to

Correct Minor Defects

Unpaved Shoulders (Level 3,4 &5)

Does not drain away from the pavement

None Rework Does not drain away from the pavement

None Rework

Safety and Traffic Management

Not following approved safety plan which may include signs, flaggers, barricades, and other temporary traffic control measures.

None Suspend work until compliance

Not following approved safety plan which may include signs, flaggers, barricades and other temporary traffic control measures

None Suspend work until in compliance

Work and/or Activities Outside of Approved Project Limits

Area contains invasive weeds

None

Repair and treat affected areas as directed by the Contracting Officer.

N/A N/A N/A

834 - DRAINAGE STRUCTURE MAINTENANCE 1

834 ROADWAY DRAINAGE SYSTEM MAINTENANCE

834.01 Service Required

Clean and recondition roadway drainage systems including culverts, ditches, inlet and outlet channels, catch basins, and appurtenances.

The Contractor shall provide all personnel, equipment, transportation, supervision, supplies, support equipment (vehicles), operating fuels, lubricants, and incidentals necessary to perform this work in accordance to the specifications.

834.02 Performance Standard

Drainage system maintenance is complete when no obstruction remains in the defined area adjacent to the structure or in ditches which would have the potential to block water from entering the structure, back water into the structure (except for structures designed to function in a back-flooded manner) or divert water outside the defined channel. Equipment operation in live streams or hydraulic flushing of drainage structures is not permitted.

When ordered by the Contracting Officer to work in a weed infested area the contractor will be required to prevent spreading the infestation into un-infested areas by cleaning vehicles and equipment. The contractor will use wash stations approved by the Contracting Officer.

834.03 Location of Work

As specified on roads listed on the road listing, shown on the plans, marked on the ground and/or ordered by the Contracting Officer and;

1. Drainage structures including inlet structures, culverts, catch basins, inlet/outlet channels, and ditches within the area shown on the plans or in the supplemental specifications.

2. Culverts - a minimum external horizontal distance of 10 feet in any direction from the inlet and outlet end and a minimum internal distanceof 3 feet from the inlet and outlet ends.

3. Ditches adjacent to the roadbed.

4. This work does not include bridges, cattleguards, drain dips, or waterbars.

5. Do not operate in the weed infested areas marked on the ground unless ordered to do so by the Contracting Officer.

834 - DRAINAGE STRUCTURE MAINTENANCE 2

834.04 Measurement

Measurement under this Section will be made by the total number of units for each item listed in the SCHEDULE OF ITEMS completed and accepted.

Mile: Work activity will be measured along the centerline of the road regardless of the number of lanes.

834.05 Payment

A. The accepted quantities will be paid at the contract price per unit of measurement forthe Section 834 pay items listed in the schedule of items. Payment will be full compensation for the work prescribed in this Section.

B. Mobilization and Log Out (TYPICAL: LOGOUT) are incidental to pay item.

834(5) Clean Ditches and Drainage Structures Mile

834.06

Acceptance will be determined by visual inspection.

If visual inspection finds that all work conforms to performance standards (834.06 Acceptable Quality Levels Table) the work will be acceptable.

If visual inspection finds that work does not meet the performance standards in the table, then the associated corrections for re-work or other action will be required.

834 - DRAINAGE STRUCTURE MAINTENANCE 3

834.06

Note: All references to required remedies, such as rework, for major or minor defects are at the contractor’s expense

Major Defects

Action Required to Correct

Major Defects

Minor Defect Allowable Minor

Defects

Action Required to

Correct Minor Defects

Blocked Culverts

Greater than 20% of end area blocked

None Rework 20% or less of end area blocked

Less than 4 per mile.

Rework if 4 or greater per mile

Damaged Culvert Inlet/outlets

Greater than 20 % of end area blocked

None Rework 20% or less of end area blocked

Less than 4 per mile

Rework if 4 or greater per mile

Ditches, inlet/outlet channels, and catch basins

Impeded water flow; water diverted out of the drainage structure or system

None Rework

Less than 20% impeded, and water flow remains in the channel

Less than 4 locations per mile.

Rework if 4 or greater per mile

Debris in Traveled Way (Level 3,4 & 5)

Debris in Traveled Way that may impede traffic

None Rework

Debris in Traveled Way that may slow traffic

None Rework

834 - DRAINAGE STRUCTURE MAINTENANCE 4

Major Defects

Action Required to Correct

Major Defects

Minor Defect Allowable Minor

Defects

Action Required to

Correct Minor Defects

Debris in Traveled Way (Level 2)

Objects in Traveled Way that obstruct high clearance vehicles.

None Remove

Debris in traveled way that may impede high clearance vehicles but does not block traffic.

10 or less location per mile; each 25-ft length or less segment.

Remove debris if more than 10 locations per mile.

Vegetation

Woody vegetation within 5 feet of the inlet end of the drainage structures or in ditches.

None Remove

Low growing vegetation within 5 feet or more of inlet end of drainage structures or in ditches that does not interfere with flow

N/A Leave in place.

Safety and Traffic Management

Not following approved safety plan which may include signs, flaggers, barricades, and other temporary traffic control measures

None Suspend work until compliance

Not following approved safety plan which may include signs, flaggers, barricades, and other temporary traffic control measures

None Suspend work until in compliance

Work and/or Activities Outside of Approved Project Limits

Area contains invasive weeds

None

Repair and treat affected areas as directed by the Contracting Officer

N/A N/A N/A

842 - ROADWAY VEGETATION MAINTENANCE 1

842 ROADWAY VEGETATION MAINTENANCE

842.01 Service Required

Remove and dispose of vegetation to provide user safety and to facilitate roadway surface and drainage maintenance.

The Contractor shall provide all personnel, equipment, transportation, supervision, supplies, support equipment (vehicles), operating fuels, lubricants, and incidentals necessary to perform this work in accordance to the specifications.

842.02 Performance Standard

Vegetation maintenance is attained when vegetation has been removed, damaged trees have been removed or treated, and residual debris has been properly disposed of (as shown on the Standard Brushing Typical and described in the Acceptable Quality Levels).

Brushing/Mowing shall cut to a maximum height of 6-inches or lower and/or per any specific Task Order requirements.

Brushing/Mowing shall cut vegetation up to the maximum diameter as specified in the Task Order requirements.

When ordered by the Contracting Officer to work in a weed infested area the contractor will be required to prevent spreading the infestation into un-infested areas by cleaning vehicles and equipment. The contractor will use wash stations approved by the Contracting Officer.

842.03 Location of Work

Work will apply to those areas as shown on the Task Order or drawings. Additional work may be ordered by the Contracting Officer.

Locations of weed infested areas are marked on the ground. Do not operate in the weed infested areas unless ordered to do so by the Contracting Officer.

842 - ROADWAY VEGETATION MAINTENANCE 2

842.04 Measurement

Measurement will be made of each item or unit of work, as shown in the SCHEDULE OF ITEMS completed and accepted in accordance with the contract provisions, specifications, and drawings.

Mile: Work activities by the mile will be measured along the linear centerline of the roadway, and rounded to the nearest tenth (0.1) of a mile.

842.05

Payment

Accepted quantities will be paid at the contract price per unit of measurement for the Section 842 pay items listed in the Schedule of Items. Parment will be full compensation for the work prescribed in this section.

NOTE: Mobilization is incidental to pay items.

842(01) Roadway Vegetation Maintenance

Double Lane Road Segments Mile

842(02) Roadway Vegetation Maintenance Single Lane Road Segments Mile

842.06 Acceptable Quality Levels

Acceptance will be determined by visual inspection.

If visual inspection finds that all work conforms to performance standards (842.06 Acceptable Quality Levels Table) the work will be acceptable.

If visual inspection finds that work does not meet the performance standards in the table, then the associated corrections for re-work or other action will be required.

842 - ROADWAY VEGETATION MAINTENANCE 3

842.06

Major Defects

Action Required to

Correct Major Defects

Minor Defect Allowable Minor

Defects

Action Required to Correct Minor

Defects

Vegetation Removal

Vegetation remaining within the brushing window, above the traveled way

None Rework

Vegetation remaining within the brushing window, not above the traveled way

An aggregate total of 100 linear feet in any one-mile segment. Spot occurrences shall count for a minimum of 10 linear feet.

Rework, if more than 100 linear feet in any one-mile segment exist.

Vegetation not removed to within 3 inches above the ground over the entire traveled way, shoulders, and turnouts.

None Rework

Vegetation not removed to within 6 inches above the ground outside the traveled way, within the brushing window

An aggregate total of 100 linear feet in any one-mile segment. Spot occurrences shall count for a minimum of 10 linear feet.

Rework, if more than 100 linear feet in any one-mile segment exist.

Vegetation remaining that obscures clear view of signs and markers.

None Rework

Vegetation remaining within the brushing window, not removed to within 18 inches of an obstruction

None Rework

842 - ROADWAY VEGETATION MAINTENANCE 4

Description Major Defect Allowable

Major Defects

Action Required to

Correct Major Defects

Minor Defect

Allowable Minor Defects

Action Required to Correct Minor

Defects

Tree Damage

Bark peeled more than 4 inches in any dimension on trees outside the brushing window

None

Fell tree and scatter with other brushing debris

Bark peeled less than 4 inches in any dimension on trees outside the brushing window

A total of 10 occurrences in any one-mile segment.

Treat with approved material, if more than 10 occurrences in any one-mile segment exist.

Brushing/ Mowing Debris Disposal

Concentration of brushing debris, greater than 3 feet in height, outside the brushing window

None Rework

Concentration of brushing debris, 3 feet or less in height, outside the brushing window

A total of 2 occurrences in any one-mile segment.

Rework, if more than 2 occurrences in any one-mile segment exist.

Brushing/mowing debris placed in a drainage facility (ditch or culvert), outside the brushing window

None Rework

Brushing debris placed on a cut slope, outside the brushing window

1 occurrence in any one-mile segment.

Rework, if more than 1 occurrence in any one-mile segment exists.