NEW Road Maintenance Technical Specs.pdf

Attachment 4

TECHNICAL SPECIFICATIONS FOR ROAD MAINTENANCE

Roads which may be designated to receive maintenance under this contract are limited to: (1) Roads under Forest Service jurisdiction and (2) Roads under other local jurisdiction that are designated for Forest Service maintenance under a cooperative agreement. Work to be performed under this contract is comprised Grading Aggregate Surfaced Roads, Spot Surface Repair, Cleaning and Reshaping Ditches, Cleaning Cattle guards, Mowing, Seeding and Fertilizing, Machine Placing Riprap, Replacing and Installing signs and Equipment rental.

DIVISION 100 - GENERAL SPECIFICATIONS

110 - Scope of Contract

Provide all equipment, labor, materials, tools and other incidentals and execute all work necessary to perform the required maintenance on the designated National Forest roads in accordance with these specifications and exhibits.

The work consists of routine maintenance activities normally associated with gravel and native surfaced single and double-lane roads.

120 - Location and Description of Work

This work is located on the Angelina and the Sabine Ranger Districts, Angelina and the Sabine National Forests.

Roads which may be designated to receive maintenance under this contract are limited to: (1) Roads under Forest Service jurisdiction and (2) Roads under other local jurisdiction that are designated for Forest Service maintenance under a cooperative agreement. Work to be performed under this contract is comprised of various maintenance activities as listed in the Schedule of Items and in accordance with Division 200 - Technical Specifications.

130 - Schedule of Work

Delivery orders may be placed throughout the fiscal year. However, primary orders for services will be placed once each quarter, as shown below:

Primary Delivery Dates

1st Quarter - October 1 through December 31 2nd Quarter - January 1 through March 31 3rd Quarter - April 1 through June 30 4th Quarter - July 1 through September 30

Refer to Sections C & G of this contract for ordering procedures and restrictions. Delivery orders issued by the Government will detail the roads to be serviced, and services to be provided and the order in which performance is required. Actual quantities of services ordered will depend upon existing conditions at the time of government inspection.

140 - Emergency Response Time

In the event of emergency road maintenance needs, as determined by the Contracting Officer, the Contractor must be able to respond to oral or telecommunicated orders under this contract within 48 hours. Such orders will be confirmed by a written delivery order.

150 - Superintendence by the Contractor

At all times during the performance of this contract and until the work is completed and accepted, the Contractor shall directly super intend the work or assign and have on the worksite a competent superintendent who is satisfactory to the Contracting Officer and has authority to act for the Contractor. The superintendent shall be designated in writing to the Contracting Officer prior to the contract start date.

160 - Quality Control

At all times during the performance of this contract the Contractor shall be responsible for supervision and inspection procedures necessary to insure that all contract specifications are met, and that all equipment used is maintained in good and safe working conditions.

170 - Equipment Requirements and Transportation

All equipment proposed to be used for performance of the work shall be the size, type and in such condition to properly pursue the requirements of this contract. Grading equipment must be capable of curring, crowning, and shaping operations necessary to meet the requirements of Activity Codes 109, 113, 301, and the Typical Section drawings.

Equipment, as a minimum, shall conform to the following:

• Motor grader - shall be diesel powered, 125 horsepower or more, with a mold board of not less than 12 feet.

• Mowing Equipment - shall consist of a wheel tractor not less than 30 horsepower equipped with a minimum 5 foot rotary mower.

The contractor's proposed equipment shall be made available to the Contracting Officer’s Representative for inspection prior to award of the contract. If at any time during the course of this contract any equipment is deemed unsatisfactory, the Contracting Officer may order removal and may require a satisfactory replacement, at contractor's expense.

Any movement or transportation of equipment to or from the work area(s) required to pursue the work, repair or replace, or for Contractor's convenience shall be at the Contractor's expense.

180 - Public Safety and Traffic Control

The Contractor shall exercise caution and care while pursuing the work to prevent unnecessary conflict with, or potential hazards to, road users.

The Contractor shall post warning signs on each end of the section of road being worked. Signs shall be of the size, quantity, and colors as required in the current edition of the "Manual on Uniform Traffic Control Devices", (MUTCD). A copy of MUTCD is located in the District Ranger's Office and may be available to the Contractor for in-office reference on request. These signs shall be moved as needed to properly delineate and identify the section of road being maintained. At no time shall these signs be more than two miles from operating equipment and shall be in place only when road equipment or men are actually performing operations. All slow-moving equipment shall have a reflectorized "slow moving" vehicle emblem properly attached.

All work shall be so scheduled that at the end of a working day, the road is passable for the type of traffic normally using the road. If for any reason traffic hazards are left in or adjacent to the road after normal work period, they shall be properly signed as hazards and visibly illuminated at night. Segments of unfinished work which may present a hazard to road users, such as rolls of surface material, berms on the shoulder, etc., may not be left in the roadway overnight, weekends or holidays.

190 - Accomplishment Records and Reports

The contractor shall maintain records of accomplishment using the Activities Schedule/Accomplishment Report form. These records shall be delivered to the Contracting Officer's Representative monthly unless otherwise agreed, with an invoice for the services rendered that month and shall become the property of the Government. No payment shall be made prior to receipt of these records and acceptance of the work performed.

DIVISION 200 - TECHNICAL SPECIFICATIONS

210 - Definition of Road Structure

Graphic definitions of road structural terms are shown on the Typical Section drawings. 215 – Protection of Threaten and Endangered Species No maintenance activities shall be performed on FDR 113 of the Sabine District between the months of March 1st and May 31st unless otherwise agreed.

220 – Protection of Archeological, Botanical and Aquatic Resources

If a previously unidentified archeological or historical site(s) is encountered, the Contractor shall discontinue work in the general area of the site(s) and notify the Contracting Officer’s Representative immediately.

Protection of Botanical and Aquatic Resources

COR will consult with Forest specialists to determine the presence/absence of any botanical and/or aquatic resource that needs to be avoided within the project area prior to beginning work. The location of these areas will be staked on the ground prior to the contractor beginning work. These may also be accompanied by monumentation (signs) in view of the roadway that indicate protection of a site (no earth-moving activities beyond this sign without consultation, etc.). The contractor shall be responsible for complying with guidelines for operating in these areas.

Any damage as a result of the contractor’s negligence shall be repaired at the contractor’s expense.

230 - Maintenance Activities

All maintenance work ordered under this contract shall be performed in accordance with the requirements of the following Technical Specifications and Activity Codes.

ACTIVITY CODE: 109- BLADING AGGREGATE SURFACED ROADS

Maintenance Requirements

Blading operations shall be conducted over the entire riding surface in order to remove, by cutting out, all ruts, potholes, corrugations and berms. All suitable dislodged aggregate shall be smoothly redistributed over the entire riding surface to produce the proper cross slope or crown. Road structural terms are illustrated on the Typical Section drawing.

Aggregate surfacing which has been worked onto road shoulders by traffic or maintenance activities shall be reclaimed and smoothly redistributed over the entire riding surface. Riding surface widths shall be perpetuated as existing. Dips and swales designed to control surface drainage shall be maintained. No undercutting of road surface or material berms will be allowed. Assure proper surface drainage after all operations.

Usual amounts of grass, leaf litter or pine straw shall be smoothly spread within the riding surface after movement sufficient to sift out surface aggregate. Where grass, leaf litter or pine straw is excessive, as determined by the Contracting Officer’s Representative, this material will be piled in spots along the road shoulder and left to decay.

Care shall be taken that this material does not interfere with surface drainage. Any such material shall be reclaimed in subsequent bladings and smoothly spread within the riding surface.

Any down trees in the traveled way or shoulders are considered incidental to Blading Aggregate Surfaced Roads and shall be removed from the traveled way and shoulders. Disposal shall be on National Forest land unless otherwise agreed upon by COR. Disposal shall not impede any stream courses or flow lines. Larger logs may be cut up into smaller pieces and placed in turnouts for firewood purposes.

Blading operations shall be conducted as required to remove surface material and accumulated debris from concrete bridge decks without allowing any material to fall into watercourses below. It includes sweeping sand and fines from the bridge decks and depositing the removed material in a location along the roadway that will not allow it to enter waterways or stream courses. Care shall be taken not to damage any part of the bridge. All suitable material shall be smoothly redistributed over the riding surface at bridge approaches.

Care will be taken to avoid blading any surface material into cattle guards. Any material deposited in cattle guards as a result of the Contractor's operation shall be cleaned out at the expense of the Contractor.

Loose rocks protruding three inches (3) or more above the graded surface shall be removed. It is permissible to waste these rocks off the riding surface away from drainage ditches.

All traveled way widths shall be perpetuated as existing. Dips and swales within the traveled way designed to control surface drainage shall be maintained.

Soil Moisture Conditions

Suitable moisture conditions for surface blading shall be from 5 to 20 percent by mass. Unless authorized by the Contracting Officer’s Representative, no surface blading shall be performed while moisture content is outside this range.

Method of Measurement

Measurement shall be made to the nearest tenth of a mile using an odometer or measuring instrument, calibrated over a measured mile.

Basis of Payment

Payment shall be made for all work of this activity, inspected and accepted in accordance with the following pay item and the bid unit price.

Pay Item Description Pay Unit 109(01) Blading Aggregate Surfaced Roads Mile

ACTIVITY CODE: 113- SPOT SURFACE REPAIR, AGGREGATE SURFACED ROADS

This activity consists of replacement of surface aggregate lost due to surface failure, traffic wear or erosion. The work includes preparation of the existing surface, furnishing, loading, hauling and spreading specified aggregate material, compacting and finish blading.

Remove, by cutting out, all damaged areas of surface, and work new material smoothly over the entire riding surface width. Avoid disturbing base or subgrade material. New aggregate shall be deposited in the section being worked, mixed when required, and shaped to achieve proper grade, thickness and template as directed by the Contracting Officer’s Representative. No material shall be allowed to remain in ditch lines. Aggregate surface material shall be compacted by operating spreading and hauling equipment over the full width of each layer of aggregate. The entire area being worked shall be finish bladed in accordance with Activity Code 109.

113(01) SPOT SURFACE REPAIR, CRUSHED AGGREGATE, LIMESTONE

Crushed Limestone Aggregate shall be furnished by the Contractor, and meet the following gradation requirements.

TxDOT TYPE A GRADE 1

SIEVE Size Percent Passing (AASHTO T-11 & T-27) 1 3/4 inch 100 7/8 inch 65 - 90 3/8 inch 50 - 80 No. 4 35 - 55 No. 40 15 - 30

ACTIVITY CODE: 114- FURNISHING AND PLACING BACKFILL MATERIAL

This activity consists of replacement of select backfill material lost due to surface failure, traffic wear or erosion.

The work includes preparation of the existing surface, furnishing, loading, hauling and spreading specified borrow material, compacting and finish blading.

Remove, by cutting out, all damaged areas of surface, and work new material smoothly over the entire riding surface width. New backfill material shall be deposited in the section being worked, mixed when required, and shaped to achieve proper grade, thickness and template as directed by the Contracting Officer’s Representative. No material shall be allowed to remain in ditch lines. Backfill material shall be compacted by operating spreading and hauling equipment over the full width of each layer of aggregate. The entire area being worked shall be finish bladed in accordance with Activity Code 109.

114(01) FURNISHING AND PLACING BACKFILL MATERIAL

Backfill material shall be furnished by the Contractor, and shall meet the following requirements.

Selected backfill material shall be furnished by the Contractor and shall have a Plasticity Index (P.I.) of between 4 and 12 with a Liquid Limit (L.L.) of less than 35, and a maximum of 40 percent of the material passing the No. 200 sieve.

ACTIVITY CODE: 117 - SPOT PREMIX PATCHING, PAVED SURFACES

Work under this activity includes using hot mix-cold laid asphaltic concrete material for patching, depressions, potholes, edges, upheavals, and other potentially detrimental or hazardous paved surface conditions as marked on the ground by the Contracting Officer's Representative or Inspector. This work shall be performed in accordance with procedures outlined in the Asphalt Institute's Manual Series No. 16 (MS-16) entitled "Asphalt in Pavement Maintenance." Material requirements are given in Section 250-C of the Technical Specifications. Skin patching will not be allowed unless specifically authorized by the Contracting Officer's Representative.

Material -Hot Mix-Cold Laid Asphaltic Concrete Pavement

The paving mixture shall consist of a uniform mixture of coarse aggregate, fine aggregate and asphaltic material as described by the Texas Highway Department as "Hot Mix-Cold Laid Asphaltic Concrete Pavement", Type "D" (Fine Graded Surfaced Course).

Type "D" (Fine Graded Surface Course) Grading Requirements:

Percent aggregate Passing by weight or Volume ½ inch 3/8 inch .................................. 85 to 100 No. 4 ..................................... 50 to 70 No. 10 .................................... 32 to 42 No. 40 .................................... 11 to 26 No. 80 .................................... 4 to 14 No. 200 .................................. 1 to 6 VMA & mass % min

The asphaltic material shall form from 4 to 8 percent of the mixture by weight or from 9 to 19 percent of the mixture by volume.

Hot mix-cold laid asphaltic material shall be measured by the metric ton as indicated in the bid schedule.

Measurement shall be to the nearest one-tenth ton based on weight tickets from state approved scales, furnished by the Contractor and showing material type, source, gross, tare, and net weights. Preparation of defected area, disposal of waste, and liquid asphalt will not be measured for payment but will be subsidiary to the patching activity.

Basis of Payment

Payment shall be made for all work of this activity, inspected and accepted, in accordance with the following pay item and the bid unit price.

Pay Item Description Pay Unit 117(01) Spot Premix Patching, Paved Surfaces Ton

ACTIVITY CODE: 301- CLEAN AND RESHAPE DITCHES

All ditches shall be maintained in their original location to the grade required to ensure proper drainage. Ditches shall be shaped as shown on the Typical Section drawing, unless otherwise directed by the Contracting Officer’s Representative.

Drainage structures and road appurtenances shall not be damaged during this operation. Handwork required to properly connect ditch flow lines to drainage structure inlets is considered a part of this activity. Cleaning wing and lead off ditches is included in this work. Cleaning silt traps that service the roadside ditches, wing or lead off ditches is included in this item of work. Restore silt traps to their original dimensions and depth.

Road Ditches

All suitable material, having the same character as the road surface, excavated through this activity shall be reclaimed and used within the riding surface. Unsuitable material from ditches or silt traps shall be spread along road shoulders, in depressions, or on fill slopes in a manner which will not affect watercourses and drainage from the traveled way or shoulders. Unless otherwise directed, required to meet culvert inverts, or required to maintain positive flow of water, ditches shall be cleaned to a depth of 1 foot (12”) below the shoulder of the road and the slope of the ditch from the road shoulder to the bottom of the ditch is 3:1 or flatter. Ditches shall be cleaned and re-shaped to not allow drainage into channels or stream courses. Deeper ditches may be required to maintain positive drainage or to match culvert entrances. No debris from ditches shall remain in or around culvert entrances.

Following this work, the riding surface shall be bladed in accordance with Activity Code 109. Payment for this blading will be made under pay item 109(01).

Any down trees in the ditch line are considered incidental to Cleaning and Reshaping Ditches and shall be removed from the ditch line. Disposal shall be on National Forest land unless otherwise agreed upon by COR. Disposal shall not impede the traveled way, shoulders, or stream courses. Larger logs may be cut up into smaller pieces and placed in turnouts for firewood purposes.

Wing and Lead-off Ditches

Wing and lead off ditches designated by the Contracting Officer’s Representative shall be cleaned and reshaped to provide drainage away from the roadway. Material excavated from lead off ditches shall not be reclaimed onto the roadway.

Road ditches will be measured to the nearest tenth of a mile, using an odometer or measuring instrument calibrated over a measured mile. Measurement will be made for each side of the road. Wing and lead off ditches will be measured by the number of ditches specified to be cleaned and reshaped.

Basis of Payment Payment will be made for all work of this activity, inspected and accepted, in accordance with the following pay item and the bid unit price.

Pay Item Description Pay Unit 301(01) Clean and Reshape Ditches Mile 301(2) Clean and Reshaped Wing and Lead Off Ditches Each

ACTIVITY CODE: 301- DRAINAGE EXCAVATION TYPE WING DITCH WITH J-HOOK AND LEAD OFF

This work consists of clearing and grubbing associated with wing ditch and lead off ditch construction. It includes excavation associated with wing and lead off ditch construction.

Clearing and grubbing area shall be according to the wing ditch and lead off ditch detail included in the contract.

Constructions slash will be scattered outside the clearing limits

Drainage excavation shall be according to the wing ditch and lead off ditch detail included in the contract. Form furrow ditches by plowing or using other acceptable methods to produce a continuous furrow. Place all excavated material on the downhill side so the bottom of the ditch is approximately 18 inches below the crest of the loose material. Clean the ditch using a hand shovel, ditcher, or other suitable method. Shape to provide drainage without overflow. Wing ditches shall not be constructed to drain into stream channels or waterways.

Measurement shall be made to the nearest tenth of a foot using an odometer or measuring instrument, calibrated over a measured mile.

Basis of Payment Payment shall be made for all work of this activity, inspected and accepted in accordance with the following pay item and the bid unit price.

Pay Item Description Pay Unit 301(03) Drainage Excavation, Type Wing with J-hook Foot 301(04) Drainage Excavation, Type Lead Off Foot

ACTIVITY CODE: 306 - CULVERT REPAIR

Maintenance Requirements

This activity will consist of repairing damaged culvert ends. The work to be done will require straightening the ends of culverts or cutting off the section of culverts that is damaged beyond repair. The determination to straighten or cut off the culvert will be made by the Contracting Officer’s Representative. Outflow perch situations shall be avoided.

When it is necessary to remove a damaged culvert end, the Contractor will be responsible for the disposal of the cutoff section off of Forest Service land.

Method of Measurement

Measurement shall be the number of culverts specified and repaired.

Basis of Payment

Payment shall be made for all work of this activity, inspected and accepted in accordance with the following pay item and the bid unit price.

Pay Item Description Pay Unit 306(01) Culvert Repair Each

ACTIVITY CODE: 307- CLEANING OF CATTLEGUARDS

This activity consists of cleaning cattle guard pits of all dirt, silt, rock, debris and vegetative matter. It includes reshaping of the pit and connecting ditch flow lines as necessary, in order to assure proper drainage. Waste material extracted during this operation shall be disposed of off the roadway and away from ditches. This activity normally requires removal and reinstallation of the cattle guard grid.

Method of Measurement

Measurement will be the number of cattle guards cleaned.

Basis of Payment

Payment will be made for all work of this activity, inspected and accepted, in accordance with the following pay item and the bid unit price.

Pay Item Description Pay Unit 307(01) Cleaning of Cattle guards Each

ACTIVITY CODE: 310 - CLEANING CULVERTS

All culverts selected for this operation shall be cleaned of dirt, silt, muck, rock, debris, and vegetative matter to maintain flow of water for a minimum distance of three (3) feet into both inlet and outlet ends. This activity also includes brushing and debris removal at culvert inlets and outlets, catch basins, and other appurtenant structures.

Grade ties with road ditches are considered a part of this activity.

Throughout this operation care shall be taken to prevent damage to culvert pipes, end sections, and all other appurtenances. All material, including brush, extracted in this operation shall be disposed of outside of the roadway limits and away from natural or man made drainages.

This activity is not always required on a routine basis. The Contracting Officer's Representative will inspect the proposed culverts and notify the Contractor if such work is needed.

Method of Measurement

Measurement shall be the number of culverts specified and cleaned.

Basis of Payment

Payment shall be made for all work of this activity, inspected and accepted, in accordance with the following pay item and the bid unit price.

310(01) Cleaning Culverts Each

ACTIVITY CODE: 401 - ROADSIDE MOWING

Mowing shall consist of cutting grass and small woody plant growth three (3) inches in diameter or less at mower height within the roadway. This activity includes brushing of all plant growth around signs, bridges, culverts and cattle guards, and fence crossing the road.

All debris larger than three (3) inches in diameter that are thrown onto the travel-way through the Contractor's operation shall be removed. All woody material larger than one (1) inch in diameter or two (2) feet in length, and any other debris which could cause tire damage shall be removed from the riding surface.

Where clearing limits are not defined by treelines or fences, this distance shall not be less than ten (10) feet from the edge of the travelway.

Any additional mowing or clearing for safe sight distance at road intersections or blind curves is considered a part of this activity.

Routine Mowing - This operation shall consist of mowing both sides of the road from the edge of the travelway to the existing clearing limits including wing and lead off ditches.

Reclamation Mowing - This operation shall consists of mowing from the centerline of the road to the existing clearing limits on both sides of the road including wing and lead off ditches.

Method of Measurement

Measurement shall be made by the mile as indicated in the Bid Schedule. Measurement shall be made to the nearest one-tenth (0.1) mile using an odometer calibrated over a measured mile. Measurement will be made along the centerline of the road and will include work on both side of the road.

Basis of Payment

Payment shall be made for all work of this activity, inspected and accepted, in accordance with the following pay items and the bid unit price.

Pay Item Description Pay Unit 401(01) Routine Mowing Mile 401(02) Reclamation Mowing Mile

ACTIVITY CODE: 402(01) - ROADSIDE CLEARING

Maintenance Requirement

Roadside clearing shall consist of the clearing of branches on trees to give a clear height of fifteen (15) feet above bottom of the ditch line and of any branches that will impede the maintenance of backslopes with a motor grader.

This activity includes cutting and/or grubbing trees larger than three (3) inches in diameter along the roadside including wing and lead-off ditches. Trees that are removed by cutting shall be cut flush so as not to impede the mowing activity.

Where clearing limits are not defined by fences, this distance shall not be less than ten (10) feet horizontal from bottom of the roadway ditch lines and from the edges of bridges and culverts and eight (8) feet horizontal from bottom of wing and/or leadoff ditches unless otherwise approved by the Contracting Officer’s Representative. Any additional clearing for safe sight distance at road intersections or blind curves is considered a part of this activity.

Disposing of trees, branches and slash shall be by scattering outside clearing limits. Trees shall not be left hanging or leaning and shall be limbed. Logs and stumps shall be placed away from trees, positioned so they will not roll, and not placed on top of one another. Areas where private land prohibits this disposal, logs, branches and slash shall be removed to areas designated by the Contracting Officer’s Representative. Ditches (roadway, wing and/or lead-off) that are disturbed shall be regraded/cleaned and payment made in accordance with Activity Code 301(01) and/or 301(02).

Method of Measurement

Roadside clearing shall be measured by the mile. Measurement shall be made to the nearest one-tenth (0.1) mile for each side of the road using an odometer calibrated over a measured mile.

Basis of Payment

Payment shall be made for all work of this activity, inspected and accepted, in accordance with the following pay items and the bid unit price.

Pay Item Description Pay Unit 402(01) Roadside Clearing Mile

ACTIVITY CODE: 408 - SEED AND FERTILIZE

This work shall consist of preparing seedbeds, and furnishing and placing required seed and fertilizer. Seed and fertilizer shall be applied with approved mechanical seeding equipment such as seed drills, landscape seeders, cultipacker seeders, fertilizer spreaders or hand-operated seeders. Areas to be seeded shall be disked to a minimum depth of two (2) inches prior to application. Seed and fertilizer shall be applied separately, with fertilizer being applied first. Both shall then be incorporated by dragging. Dragging equipment and method must be approved by the Contracting Officer’s Representative.

Material: Fertilizer

Fertilizer shall be homogenized or blended, and shall provide the following minimum percentages of available nutrients - 13% Nitrogen, 13% Potash and 13% Phosphorus. It shall be furnished in new, clean, sealed containers with the name, weight and guaranteed analysis of contents clearly marked. It shall be applied uniformly at 400 pounds per acre.

Seed

Seed shall be furnished separately or in a mixture in standard sealed containers with (1) seed name, (2) lot number,

(3) new weight, (4) percentages of purity and of germination, and (5) percentage of maximum weed seed content clearly marked for each kind of seed. Seed shall meet the requirements of Fed. Spec. JJJ-S-181B. Seeding shall be performed in accordance with the applicable seasonal schedule and rates as follows:

November 1 – April 30 May 1 - August 31 September 1 - October 31

Annual Rye - 50 LBS Brown Miller 30 LBS Annual Rye 50 LBS Partridge Pea - 5 LBS Pearl Millet 30 LBS Partridge Pea 5 LBS (Innoculated) Black Eyed Susan - 2 LBS

Application of seed and fertilizer will be measured by longitudinal and lateral measurements to the nearest foot and converted to the nearest hundredth of an acre.

Basis of Payment

Payment shall be made for all work of this activity, inspected and accepted in accordance with the following pay item and the bid unit price.

408(01) Application of Seed and Fertilizer Acre

ACTIVITY CODE: 415 - EROSION CONTROL RIPRAP

Requirements

This activity shall consist of furnishing and placing a protective covering of erosion-resistant material at locations designated on the ground. Areas to be protected with riprap shall be free of brush, trees, stumps, and other objectionable debris and shall be dressed to a smooth surface treatment prior to placing riprap. Material may be dumped at locations to receive treatment and rolled into the areas with a machine. The finished riprap areas shall present a reasonable uniform and regular surface, free or humps and depressions.

Material

Crushed riprap, unless otherwise agreed, shall be Glauconite as produced by Welches Pit, Milam, Texas Double R Rock, Inc., San Augustine, Texas, Alexander Const. Co., Lufkin, Texas or equal, and shall not be less than 1/3 of a cubic foot in volume and Not less than three (3) inches in the least dimension. The width of the stone shall not be less than twice its thickness. Verification for size of riprap shall be by visual inspection by the Contracting Officer’s Representative.

Method of Measurement

Aggregate shall be measured by the ton. Measurement will made to the nearest one-tenth of the pay unit. Contractor shall supply weight tickets from state approved scales showing aggregate type, source, gross, tare and net weight.

Basis of Payment

Payment shall be made for all work of this activity, inspected and accepted in accordance with the following pay items and the bid unit price.

Pay Item Description Pay Unit 415(01) Erosion Control Riprap Ton

ACTIVITY CODE: 504 - HAZARD TREE REMOVAL AND DISPOSAL

This activity consists of cutting and removing potentially hazardous dead or leaning trees. Any such hazard trees that may fall onto the roadway, or otherwise obstruct the view of the road shall be cut to fall away from the road where possible. Care shall be taken to avoid damage to adjacent trees. This work also includes any such trees that have fallen within the road right-of-way. Trees to be cut and removed shall be disposed of outside the right-of-way.

Trees to be cut and removed under this activity will be designated by the Contracting Officer’s Representative.

Work under this specification shall include only those hazard trees considered by the Contracting Officer’s

Representative to be of a routine, recurrent nature, and in numbers that are not significantly inconsistent with the government's estimated quantities. It shall not include trees damaged through storms (i.e. hurricanes, tornadoes, high winds, floods, ice) or other acts of God when the number of trees exceeds the estimated maximum quantity as shown in the Schedule of Items by 100%. Damage exceeding that amount will be considered as catastrophic and not within the scope of the contract.

Method of Measurement

Measurement will be the number of trees cut and removed.

Basis of Payment

Payment will be made for all work of this activity, inspected and accepted, in accordance with the following pay item and the bid unit price.

Pay Item Description Pay Unit 504(01) Hazard Tree Removal and Disposal Each

ACTIVITY CODE: 710 SIGN AND INSTALLATION MAINTENANCE

Work under this activity consists of the installation of traffic control signs and posts, or the replacement of unserviceable traffic control signs on existing posts.

All posts shall be erected plumb, with signs securely attached by vandal-resistant hardware. The Contractor shall furnish all tools, equipment and labor necessary to perform the work.

Pay Item Description Pay Unit 710(01) Sign and Installation Maintenance Each

ACTIVITY CODE: 807- EQUIPMENT RENTAL

This activity consists of furnishing the following Rental Equipment with an operator. Work will be as designated by the Contracting Officer’s Representative.

807(01) BACKHOE (MINIMUM SIZE 50 horsepower)

Use of this equipment will include items such as recovery of lost road surface material, excavation at bridge abutments and removal of beaver dams.

807(02) DUMP TRUCK (MINIMUM CAPACITY 12 cubic yards)

This equipment will normally be used to haul and dispose of unsuitable material excavated in sensitive areas, as determined by the Contracting Officer’s Representative.

807(03) CRAWLER TRACTOR WITH DOZER BLADE (MINIMUM SIZE 65 horsepower)

Use of this equipment will include items such as reshaping of roads and ditches damaged or eroded beyond routine Motor Grader repair, as determined by the Contracting Officer’s Representative.

807(04) MOTOR GRADER (MINIMUM SIZE 120 horsepower with twelve (12) foot BLADE)

Use of this equipment will include scarification of aggregate surfaced roads, spot grading of partially paved roads, shoulders and parking lots, and other areas where measurement and payment by the kilometer is not practical.

Additional Terms and Conditions.

452.237-70 Loss, Damage, Destruction or Repair (Feb 1988)

For equipment furnished under this contract with operator, the Government shall not be liable for any loss, damage or destruction resulting from the negligent or wrongful act(s) of Government Employee(s) while acting within the scope of their employment.

All repairs to equipment made under this contract shall be made by the Contractor at his expense. Repairs shall be made promptly and equipment returned to use within 24 hours. In lieu of repairing equipment Contractor may furnish similar replacement equipment within the terms specified.

All equipment will be inspected before and after use, by the Contracting Officer’s Representative. Inspections will be recorded on the Vehicle/Heavy Equipment Checklist, Form 296, signed by the Contractor.

Method of Measurement

Equipment use hours will be recorded on the Rental Equipment Use Record, Form 297, by the Contracting Officer’s Representative and signed by the Contractor.

Basis of Payment

Payment will be made for all work of this activity, inspected and accepted, in accordance with the following pay items and the bid unit price.

Pay Item Description Pay Unit 807(01) Equipment Rental, Backhoe Hour 807(02) Equipment Rental, Dump Truck Hour 807(03) Equipment Rental, Crawler Tractor with Dozer Blade Hour 807(04) Equipment Rental, Motor Grader Hour

DIVISION 100 - GENERAL SPECIFICATIONS