FLAP_snoparks_Project_Specifications 1 .pdf

Table of Contents

Table of Contents

Preface

101 - Terms, Format, and Definitions

101.01 Meaning of Terms

101.03 Abbreviations

101.04 Definitions

102 - Bid, Award, and Execution of Contract

102 Bid, Award, and Execution of Contract

103 - Scope of Work

Deletions

104 - Control of Work

Deletions

104.06 Use of Roads by Contractor

105 - Control of Material

105.02 Material Sources

105.02(a) Government-provided sources

105.02(b) Contractor-provided sources

105.04 Storing and Handling Material

105.05 Use of Material Found in the Work

106 - Acceptance of Work

106.07 Delete

107 - Legal Relations and Responsibility to the Public

107.05 Responsibility for Damage Claims

107.06 Contractor’s Responsibility for Work

107.09 Legal Relationship of the Parties

107.10 Environmental Protection

108 - Prosecution and Progress

108 Delete

109 - Measurement and Payment

109 Deletions

109.02 Measurement Terms and Definitions

154 – Contractor Sampling and Testing

155 - Schedules for Construction Contracts

155 Delete

156 – Public Traffic

171 – Weed and Disease Prevention

203 - Removal of Structures and Obstructions

203.01 Description

203.04 Removing Material

203.05 Disposing of Material

322 - Minor Aggregate Courses

404 - Minor Hot Asphalt Concrete

404.01 Description

404.02 Material

404.03 Composition of Mix (Job-Mix Formula)

404.04 Base Repair

404.05 Surface Preparation

404.06 Weather Limitations

404.07 Hauling

404.08 Placing

404.09 Compacting

404.10 Pavement Smoothness

404.11 Acceptance

404.12 Measurement

404.13 Payment

412 - Asphalt Tack Coat

412.07 Acceptance

414 - Asphalt Pavement Crack and Joint Sealing

414.02 Material

414.05 Crack Cleaning and Sealing

414.05 Asphalt Pavement Crack Sealing and Filling

415 – Paving Geotextiles

415.06 Paving Geotextile Placement

635 - Temporary Traffic Control

635.03 General

703 - Aggregate

718 - Traffic Signing and Marking Material

718.05 Aluminum Panels

Preface

Preface_wo_03_15_2004_m

Delete all but the first paragraph and add the following:

The Forest Service, US Department of Agriculture has adopted FP-03 for construction of

National Forest System Roads.

101 - Terms, Format, and Definitions

101.00_nat_us_07_25_2005

101.01_nat_us_01_22_2009

101.01 Meaning of Terms

Delete all references to the TAR (Transportation Acquisition Regulations) in the specifications.

101.03_nat_us_06_16_2006

101.03 Abbreviations.

Add the following to (a) Acronyms:

AFPA

MSHA

NIST

NESC

WCLIB

American Forest and Paper Association

Mine Safety and Health Administration

National Institute of Standards and Technology

National Electrical Safety Code

West Coast Lumber Inspection Bureau

Add the following to (b) SI symbols:

mp Milepost ppm Part Per Million

101.04_nat_us_03_29_2007

101.04 Definitions.

Delete the following definitions and substitute the following:

Bid Schedule--The Schedule of Items.

Bridge--No definition.

Contractor--The individual or legal entity contracting with the Government for performance of prescribed work. In a timber sale contract, the contractor is the “purchaser”.

Culvert--No definition.

http://www.nist.gov/

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.

Add the following:

Adjustment in Contract Price--“Equitable adjustment,” as used in the Federal Acquisition

Regulations, or “construction cost adjustment,” as used in the Timber Sale Contract, as applicable.

Change--“Change” means “change order” as used in the Federal Acquisition Regulations, or

“design change” as used in the Timber Sale Contract.

Design Quantity--“Design quantity” is a Forest Service method of measurement from the FS-96

Forest Service Specifications for the Construction of Roads and Bridges. Under these FP specifications this term is replaced by the term “Contract Quantities”.

Forest Service--The United States of America, acting through the Forest Service, U.S.

Department of Agriculture.

Neat Line--A line defining the proposed or specified limits of an excavation or structure.

Pioneer Road--Temporary construction access built along the route of the project.

Purchaser--The individual, partnership, joint venture, or corporation contracting with the

Government under the terms of a Timber Sale Contract and acting independently or through agents, employees, or subcontractors.

Protected Streamcourse--A drainage shown on the plans or timber sale area map that requires designated mitigation measures.

Road Order--An order affecting and controlling traffic on roads under Forest Service jurisdiction. Road Orders are issued by a designated Forest Officer under the authorities of 36

CFR, part 260.

Schedule of Items--A schedule in the contract that contains a listing and description of construction items, quantities, units of measure, unit price, and amount.

Utilization Standards--The minimum size and percent soundness of trees described in the specifications to determine merchantable timber.

Add Figure 101-1—Illustration of road structure terms:

Figure 101-1—Illustration of road structure terms.

102 - Bid, Award, and Execution of Contract

102.00_nat_us_02_16_2005

102 Bid, Award, and Execution of Contract

Delete Section 102 in its entirety.

103 - Scope of Work

103.00_nat_us_02_16_2005

Deletions

Delete all but subsection 103.01 Intent of Contract.

104 - Control of Work

104.00_nat_us_06_16_2006

Deletions

Delete Sections 104.01, 104.02, and 104.04.

104.06_nat_us_02_17_2005

Add the following subsection:

104.06 Use of Roads by Contractor

The Contractor is authorized to use roads under the jurisdiction of the Forest Service for all activities necessary to complete this contract, subject to the limitations and authorizations designated in the Road Order(s) or described in the contract, when such use will not damage the roads or national forest resources, and when traffic can be accommodated safely.

105 - Control of Material

105.02_nat_us_01_18_2007

105.02 Material Sources.

Comply with the requirements of 30 CFR 56, subparts B and H. Use all suitable material for aggregate regardless of size unless otherwise designated. When required, re-establish vegetation in disturbed areas according to section 625.

105.02(a) Government-provided sources.

Government-provided sources for this project are identified as follows:

• Existing onsite suitable excavated material as identified.

• Replacement interpretive signs currently located at the Prospect Ranger Station, coordinate with

CO for delivery.

105.02(b) Contractor-provided sources.

All material (e.g., soil, gravel, sand, borrow, aggregate, etc.) transported onto National Forest System land or incorporated into the work will be weed-free.

The Forest Service will inspect proposed sources to determine weed-free status. Provide the

Contracting Officer written notification of proposed material sources 30 days prior to use. Written approval of the specific source will be provided to the contractor. If weed species are present in the proposed source, appropriate mitigation measures may allow conditional use of the source as required by the Contracting Officer.

105.04 Storing and Handling Material.

Approved staging areas for individual sites are located on the vicinity maps contained in the contract drawings. Staging of materials or equipment or camping will not be permitted in campgrounds.

105.05_nat_us_05_12_2004

105.05 Use of Material Found in the Work.

Delete 105.05 (a) and (b) and the last sentence of the second paragraph and substitute the following:

Materials produced or processed from Government lands in excess of the quantities required for performance of this contract are the property of the Government. The Government is not obligated to make reimbursement for the cost of producing these materials.

106 - Acceptance of Work

106.07_nat_us_05_11_2004

106.07 Delete

Delete subsection 106.07.

107 - Legal Relations and Responsibility to the Public

107.05_nat_us_05_11_2004

107.05 Responsibility for Damage Claims.

Delete the entire subsection.

107.06_nat_us_06_16_2006

107.06 Contractor’s Responsibility for Work.

Delete the following from the first paragraph.

“except as provided in Subsection 106.07”.

107.09_nat_us_06_16_2006

107.09 Legal Relationship of the Parties.

Delete the entire subsection.

107.10_nat_us_06_16_2006

107.10 Environmental Protection.

Add the following:

Design and locate equipment repair shops, stationary refueling sites, or other facilities to minimize the potential and impacts of hazardous material spills on Government land.

Before beginning any work, submit a Hazardous Spill Plan. List actions to be taken in the event of a spill. Incorporate preventive measures to be taken, such as the location of mobile refueling facilities, storage and handling of hazardous materials, and similar information. Immediately notify the CO of all hazardous material spills. Provide a written narrative report form no later than 24 hours after the initial report and include the following:

Description of the item spilled (including identity, quantity, manifest number, and other identifying information).

Whether amount spilled is EPA or state reportable, and if so whether it was reported, and to whom.

Exact time and location of spill including a description of the area involved.

Containment procedures.

Summary of any communications the Contractor had with news media, Federal, state and local regulatory agencies and officials, or Forest Service officials.

Description of clean-up procedures employed or to be employed at the site including final disposition and disposal location of spill residue.

When available provide copies of all spill related clean up and closure documentation and correspondence from regulatory agencies.

The Contractor is solely responsible for all spills or leaks that occur during the performance of this contract. Clean up spills or leaks to the satisfaction of the CO and in a manner that complies with Federal, state, and local laws and regulations.

108 - Prosecution and Progress

108.00_nat_us_02_16_2005

108 Delete.

Delete Section 108 in its entirety.

109 - Measurement and Payment

109.00_nat_us_02_17_2005

109 Deletions

Delete the following entire subsections:

109.06 Pricing of Adjustments.

109.07 Eliminated Work.

109.08 Progress Payments.

109.09 Final Payment.

109.02_nat_us_06_16_2006

109.02 Measurement Terms and Definitions.

(b) Contract quantity.

Add the following:

Contract quantities will be adjusted only when there are errors in the original design of 15% or more.

Change the following:

“(b) Cubic yard” to “(c) Cubic yard”.

Add the following definition:

(p) Thousand Board Feet (Mbf). 1,000 board feet based on nominal widths, thickness, and extreme usable length of each piece of lumber or timber actually incorporated in the job. For glued laminated timber, 1,000 board feet based on actual width, thickness, and length of each piece actually incorporated in the job.

154 – Contractor Sampling and Testing

Measurement and Payment

154.06 Delete this subsection.

Payment

154.07 Delete this subsection.

Add the following:

Measurement and Payment

154.06 Do not measure Contractor Sampling and Testing for payment.

155 - Schedules for Construction Contracts

155.00_nat_us_05_11_2004

155 Delete.

Delete Section 155 in its entirety.

156 – Public Traffic

Delete Section 156 in its entirety and replace with the following:

Description

156.01 This work consists of controlling and protecting public traffic adjacent to and within the project.

Material

156.02 Conform to the MUTCD and the following Sections and Subsections:

Construction sign panels 633

Retro-reflective sheeting 718.01

Temporary concrete barrier 618

Temporary plastic fence 710.11

Temporary traffic control devices 718.22

156.03 General. Prior to the start of construction, submit a written traffic control plan for approval.

Plan shall included traffic control signing, proposed flagging operations, and expected closure periods. Plan shall comply with OSHA and the latest edition of the “Manual on Uniform Traffic

Control Devices” (MUTCD).

Perform no work that interferes or conflicts with traffic or existing access to the roadway surface until a traffic control plan has been approved. Post construction signs and traffic control devices in conformance with MUTCD. All required signs will be in place and approved prior to beginning work on project.

156.04 Temporary Traffic Control. Install and maintain temporary traffic control devices adjacent to and within the project as required by the approved traffic control plan and the MUTCD. Install and maintain traffic control devices as follows:

(a) Furnish and install traffic control devices before the start of construction operations.

(b) All detours outside of clearing limits will be approved in writing by the Contracting

Officer as part of the traffic control plan.

(c) Install only those traffic control devices needed for each stage or phase.

(d) Relocate temporary traffic control devices as necessary.

(e) Remove devices that no longer apply to the existing conditions.

(f) Immediately replace any device that is lost, stolen, destroyed, or inoperative.

(g) Keep temporary traffic control devices clean.

(h) Remove all temporary traffic control devices upon contract completion or when approved.

(i) When required, use flaggers certified by the American Traffic Safety Services Association, the

National Safety Council, the International Municipal Signal Association, a state agency, or other acceptable organization. Perform the work described under MUTCD Part 6. Use type III, VII, VIII, or IX retroreflective sheeting on flagger paddles. Do not use flags. Flaggers must wear high visibility safety apparel as required by MUTCD 6E.02.

156.05 Closures. Closures to each individual project site shall be made as follows during the duration of work at that site:

Claude Lewis Snopark: entrance to site shall be closed at the junction with Highway 230.

Thousand Springs Snopark: closure to the site shall be made during construction, provide traffic control along Highway 62 in accordance with the approved traffic control plan. Closure of this site shall also be made in accordance with the terms of the ODOT permit as described in contract section

H-6.

Appropriate barricades and signs will be erected and maintained as shown in the traffic control plan or as otherwise designated.

Prior to closing each site during construction, provide written notice to the Contracting Officer at least 14 days in advance to allow public notification.

156.06 Acceptance. Public traffic work will be evaluated under Subsection 106.02.

Measurement and Payment

156.07 Do not measure Public Traffic for payment. Compensation is incidental to section

635.

171 – Weed and Disease Prevention

(Added Section)

Description

171.01 This work consists of washing and treating construction equipment to remove seeds, plants, and plant fragments from the equipment before the equipment is used on National Forest System lands.

Material

171.02 Conform to the following Subsection:

Water 725.01

Construction Requirements

171.03 General . Notify the CO in writing at least 24 hours before moving any construction equipment onto or off of National Forest System lands or between project sites. Construction equipment does include cars, pickup trucks, and other vehicles that regularly travel between the construction site and areas outside of National Forest System lands. Notification will include an agreed upon location where the equipment will be available for inspection by the Forest Service.

Inspection will be required after every cleaning.

171.04 Equipment. Use a high pressure washing system. Do not mix soaps, detergents, or other chemicals with wash water except as prescribed in Subsection 725.01.

171.05 Washing. Wash the sides, tops, and undercarriages of all construction equipment. Remove all seeds, plants, plant fragments, dirt, and debris from the construction equipment.

171.06 Inspection. Inspect the washed construction equipment, including the undercarriage, to ensure that the washing removed the dirt, debris, and seeds from the construction equipment. Rewash the construction equipment as necessary or as directed.

171.07 Acceptance. Weed prevention will be evaluated under Subsection 106.02.

Measurement

171.08 Do not measure weed prevention for payment.

Payment

171.09 Include all costs associated with the Section 171-Weed Prevention in the unit price for

Section 151-Mobilization.

203 - Removal of Structures and Obstructions

203.01_nat_us_02_25_2005

203.01 Description.

Delete and replace with the following:

This work consists of disposing of construction slash and debris, salvaging, removing, and disposing of buildings, fences, structures, pavements, culverts, utilities, curbs, sidewalks, and other obstructions.

203.04_nat_us_02_18_2005

203.04 Removing Material.

Replace the fourth and fifth paragraphs with the following:

Where part of an existing culvert is removed, remove the entire culvert upstream from the removal. The remaining downstream culvert may be left in place if no portion of the culvert is within 12 inches of the subgrade, embankment slope, or new culvert or structure; and the culvert ends are sealed with concrete.

Remove structures and obstructions in the roadbed to 12 inches below subgrade elevation.

Remove structures and obstructions outside the roadbed to 12 inches below finished ground or to the natural stream bottom.

203.05_nat_us_02_18_2005

203.05 Disposing of Material.

Add the following:

(e) Windrowing Construction Slash. Place construction slash outside the roadway in neat, compacted windrows approximately parallel to and along the toeline of embankment slopes. Do not permit the top of the windrows to extend above subgrade. Use construction equipment to matt down all material in a windrow to form a compact and uniform pile. Construct breaks of at least 15 feet at least every 200 feet in a windrow. Do not place windrows against trees. Obtain approval for pioneer roads. A pioneer road may be constructed to provide an area for placement of windrows, provided the excavated material is kept within the clearing limits and does not adversely affect the road construction.

(f) Scattering. Scatter construction slash outside the clearing limits without damaging trees.

Limb all logs. Place logs and stumps away from trees, positioned so they will not roll, and are not on top of one another. Limb and scatter other construction slash to reduce slash concentrations.

(g) Chipping or Grinding. Use an approved chipping machine to grind slash and stumps greater than 3 inches in diameter and longer than 3 feet. Deposit chips or ground woody material on embankment slopes or outside the roadway to a loose depth less than 6 inches. Minor amounts of chips or ground woody material may be permitted within the roadway if they are thoroughly mixed with soil and do not form a layer.

(h) Debris Mat. Use tree limbs, tops, cull logs, split stumps, wood chunks, and other debris to form a mat upon which construction equipment is operated. Place stumps upside down and blend stumps into the mat.

(i) Decking Firewood Material. Remove brush from decks. Limb and deck logs that do not meet Utilization Standards according to Subsection 201.04 as directed by the CO. Cut logs to lengths less than 30 feet. Ensure that logs stacks are stable and free of brush and soil.

(j) Removal to designated locations. Remove construction slash to designated locations.

(k) Piling. Pile construction slash in designated areas. Place and construct piles so that if the piles are burned, the burning will not damage remaining trees. Keep piles free of dirt from stumps. Cut unmerchantable logs into lengths of less than 20 feet.

(l) Placing Slash on Embankment Slopes. Place construction slash on completed embankment slopes to reduce soil erosion. Place construction slash as flat as practicable on the completed slope. Do not place slash closer than 2 feet below subgrade. Priority for use of available slash is for: (1) through fills; (2) insides of curves; and (3) ditch relief outlets.

(m) Hydrological Sensitive Placement. Where required use this method in combination with other designated methods to dispose of material to reduce erosion and to aid in re-vegetation:

1. Place windrow segments on contours, wrap in type I geotextile.

2. Place logs as log erosion barriers on contours. Place logs so that 80% of their length is on the ground surface.

3. Scatter slash on bare or disturbed areas within or outside the clearing limits as directed.

4. Scatter chips or ground woody material on bare or disturbed areas within or outside the clearing limits as directed.

Place stumps in swales or on sites to form planting pockets. Place windrow segments on contours, wrap in type I geotextile.

322 - Minor Aggregate Courses

(Added Section)

322.00_nat_us_10_24_2007

Description

322.01 This work consists of constructing one or more courses of aggregate on a prepared surface. Work includes producing aggregate by grid rolling, screening, or crushing methods, or placing pit-run or Government-furnished aggregate.

Surface aggregate grading is designated as shown in Table 703-3.

Subbase and base aggregate grading is designated as shown in Table 703-2.

Screened aggregate grading is designated as shown in Table 703-16.

Material

322.02 Conform to the following Subsections:

Aggregate 703.05

Water 725.01

Construction Requirements

322.03 General. Prepare the surface on which the aggregate course is placed according to Section

204 or 303 as applicable.

Request approval of the roadbed in writing before placing aggregate.

Develop, haul, and apply water in accordance to Section 170.

Submit target values within the gradation ranges shown in Table 703-2 or 703-3 for the required grading. After reviewing the proposed target values the CO will determine the final values for the gradation and notify the Contractor in writing.

No quality requirements or gradation other than maximum size will be required for pit run and grid-rolled material. For grid rolling, use all suitable material that can be reduced to maximum size.

After processing on the road, remove all oversize material from the road and dispose of it as directed by the CO.

If the aggregate is produced and stockpiled before placement, handle and stockpiled according to

Section 320. Establish stockpile sites at approved locations.

322.04 Mixing and Spreading. Mix the aggregate and adjust the moisture content to obtain a uniform mixture with a moisture content suitable for the specified compaction method. Spread and shape the mixture on the prepared surface in a uniform layer with no segregation of size, and to a loose depth that will provide the required compacted thickness.

Do not place in layers exceeding 6 inches in compacted thickness for aggregate base and surface courses or twice the maximum particle size for screened aggregate. When more than one layer is necessary, compact each layer according to Subsection 322.05 before placing the next layer. Route hauling and leveling equipment uniformly over the full width.

When placing aggregate over geotextile, place aggregate in a single lift to the full depth specified.

322.05 Compacting. Compact each layer full width. Roll from the sides to the center, parallel to the centerline of the road. Along curbs, headers, walls, and all places not accessible to the roller, compact the material with approved tampers or compactors.

Compact the aggregate using one of the following methods as specified:

Compaction A. Operating spreading and hauling equipment over the full width of the travelway.

Compaction B. Operate rollers and compact as specified in Subsection 204.11(a)(1).

Compaction C. Moisten or dry the aggregate to a uniform moisture content between 5 and 7 percent based on total dry weight of the mixture. Operate rollers and compact as specified in Subsection 204.11. Where use of equipment specified in Subsection 204.11 is not feasible due to work area dimensions use hand operated equipment resulting in similar in place density.

Compaction D. Compact to a density of at least 95 percent of the maximum density, as determined by AASHTO T 99, method C or D.

Compaction E. Compact to a density of at least 96 percent of the maximum density, as determined by the Modified Marshall Hammer Compaction Method (available upon request from USDA Forest Service, Regional Materials Engineering Center, P.O. Box

7669, Missoula, MT 59807).

Compaction F. Compact to a density of at least 95 per-cent of the maximum density, as determined by AASHTO T 180, method C or D.

Compaction G. Compact to a density of at least 100 percent of the maximum density as determined by the Modified Marshall Hammer Compaction Method (available upon request from USDA Forest Service, Regional Materials Engineering Center, P.O. Box

7669, Missoula, MT 59807).

For all compaction methods, blade the surface of each layer during the compaction operations to remove irregularities and produce a smooth, even surface. When a density requirement is specified, determine the in place density and moisture content according to AASHTO T 310 or other approved test procedures.

322.06 Construction Tolerance. If grade finishing stakes are required, finish the surface to within ±0.10 feet from staked line and grade elevation.

If grade finishing stakes are not required, shape the surface to the required template and check the surface with a 10-foot straightedge. Defective areas are surface deviations in excess of 1/2 inch in

10 feet between any two contacts of the straightedge with the surface.

Correct all defective areas by loosening the material, adding or removing material, reshaping, and compacting.

Ensure that the compacted thickness is not consistently above or below the specified thickness.

The maximum variation from the compacted specified thickness is ½ inch.

Ensure that the compacted width is not consistently above the specified width. The maximum variation from the specified width will not exceed +12 inches at any point.

322.07 Maintenance. Maintain the aggregate course to the correct line, grade, and cross-section by blading, watering, rolling, or any combination thereof until placement of the next course.

Correct all defects according to Subsection 322.06.

322.08 Acceptance. See Table 322-1 or Table 322-2 as applicable, for sampling and testing requirements.

Aggregate gradation and surface course plasticity index will be evaluated under Subsection 106.04.

If the aggregate is obtained from a Government stockpile then the above characteristics will be evaluated under Subsection 106.02. Other aggregate quality properties will be evaluated under

Subsections 106.02 and 106.04. Placement of aggregate courses will be evaluated under

Subsections 106.02 and 106.04.

The allowable upper and lower aggregate gradation limits are the Target Value plus or minus the allowable deviations shown in Tables 703-2 and 703-3.

The allowable upper and lower Plasticity index limits for surface courses are stated in 703.05(b).

Preparation of the surface on which the aggregate course is placed will be evaluated under Section

204 or 303 as applicable.

Measurement

322.09 Measure the Section 322 items listed in the bid schedule according to Subsection 109.02 and the following as applicable.

Measure square yard width horizontally to include the top of aggregate width including designed widening. Measure the square yard length horizontally along the centerline of the roadway.

If the measurement for aggregate is by cubic yard using contract quantities then measure aggregate by the cubic yard in-place once compacted, otherwise measurement for aggregate by the cubic yard is measured by the cubic yard in the hauling vehicle.

Measure thickness perpendicular to the grade of the travelway.

Measure width perpendicular to the centerline.

Payment

322.10 The accepted quantities will be paid at the contract price per unit of measurement for the

Section 322 pay items listed in the bid schedule. Payment will be full compensation for the work prescribed in this Section. See Subsection 109.05.

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322.00_nat_us_10_14_2011

404 - Minor Hot Asphalt Concrete

Delete this section and substitute the following:

404.01 Description This work consists of constructing minor hot asphalt concrete for sidewalks, paved waterways, curbs, and roadways. It also includes removing aggregate base and subgrade as well as backfilling to repair failing areas.

404.02 Material Conform to the following Subsection:

Minor Aggregate Courses 322

Minor Hot Asphalt Concrete 404

Asphalt Tack Coat 412

Construction Requirements

404.03 Composition of Mix (Job-Mix Formula). Submit a job-mix formula and supporting documentation, test results, and calculations for the material to be incorporated into the work.

Include copies of laboratory test results and mix design data that demonstrate that the properties of the aggregate, additives, and mixture meet the current requirements and criteria of Federal or state agencies. Ensure that the job-mix formula was performed no more than one year prior to placing the hot asphalt concrete. After reviewing the Contractor’s proposed job-mix formula, the

CO will determine the final values for the job-mix formula to be used and notify the Contractor in writing.

404.04 Base Repair. This work consists of repairing base courses and patching the surface of roadways and parking facilities by removing the existing base course and subgrade, backfilling with adequate base aggregate material, applying a tack coat and patching with Minor Hot Mix

Asphalt Concrete.

(a) Type A - This work consists of supplementing and compacting the base rock as needed. Spray CSS-1 tack coat on the existing pavement joints and place an

HMAC lift to match existing AC layer thickness.

(b) Type B - This work consists of removing and replacing the existing base course and subgrade to a depth of 8" below the existing asphaltic concrete course. Spray

CSS-1 tack coat on the existing pavement joints and place an HMAC lift.

404.05 Surface Preparation. Prepare the surface according to Section 209 or Subsection 410.05 as applicable.

404.06 Weather Limitations. Place asphalt concrete on a dry, unfrozen surface when the air temperature in the shade is at least 45 ºF and rising.

404.07 Hauling. Haul the asphalt mix using vehicles conforming to Subsection 401.11.

404.08 Placing. Do not place asphalt until the CO has approved in writing the area where it will be placed. Place the mix with a mechanical paver. For roadway paving, do not place lifts thicker than 4 inches. In areas where mechanical spreading and finishing is impractical, spread and finish each course by hand raking, screeding, or by other approved methods. Construct a surface that is uniform in texture and cross-section. Construct joints according to Subsection 401.15.

404.09 Compacting.

(a) Roadway paving. Compact the mix to a minimum of 90 percent of maximum specific gravity (density). Complete compaction before the mix temperature falls below 160

ºF. Determine density by nuclear gauge.

(b) Non-roadway paving. Compact by rolling with a hand-operated roller with a mass of at least 1 ton. Perform initial compaction while the mixture is above 250 °F and continue until no roller tracks remain.

404.10 Pavement Smoothness. Use a 10-foot metal straightedge to measure at right angles and parallel to the centerline. Defective areas are surface deviations in excess of 1/4 inch in 10 feet between any two contacts of the straightedge with the surface. Correct defective areas using approved methods.

404.11 Acceptance. See Table 404-1 for sampling and testing requirements.

Minor hot asphalt concrete mixture will be evaluated under Subsections 106.02 and 106.03.

Minor hot asphalt concrete construction work will be evaluated under Subsections 106.02 and

106.04.

404.12 Measurement Measure the Section 404 items listed in the bid schedule according to

Subsection 109.02.

404.13 Payment The accepted quantities will be paid at the contract price per unit of measurement for the Section 404 pay items listed in the bid schedule. Payment will be full compensation for the work prescribed in this Section. See Subsection 109.05.

412 - Asphalt Tack Coat

412.07_nat_us_07_03_2007

Measurement

412.07 Acceptance

Delete the first paragraph and replace with the following:

Emulsified asphalt will be evaluated under Subsections 106.02, 106.03, and 702.07.

414 - Asphalt Pavement Crack and Joint Sealing

414.02_nat_us_05_12_2004

414.02 Material.

Add the following:

Backer Rod 712.01(g)

Low-modulus rubberized asphalt 712.01 (a) (7)

414.05_nat_us_05_12_2004

414.05 Crack Cleaning and Sealing.

Delete and replace with:

414.05 Asphalt Pavement Crack Sealing and Filling.

Crack seal and fill only when internal pavement temperatures are between 36 and 68 °F the road surface is dry, there is no frost in the road section, and the weather is not foggy or rainy.

Heat, mix, and apply the crack sealing and filling materials as recommended by the sealant manufacturer. Submit a copy of the manufacture’s recommendations to the CO prior to the start of work.

Prepare cracks between 1/4 inch and 1 inch and apply sealant by one of the following methods:

Crack Sealing - Rout and clean all cracks between 1/4 inch and 1 inch wide. Rout cracks to produce a reservoir with straight ½ inch vertical walls and a 1 1/2 inch wide flat bottom. Use a low-modulus rubberized asphalt. Completely fill the routed cross section flush with the pavement surface.

Crack Filling - Clean the crack between 1/4 inch and 1 inch wide. Prepare cracks to a depth of at least three times the crack width. Ensure crack sealing materials penetrates more than twice the crack width.

For cracks between 1/2 inch and 1 inch where sealant penetrates more than two times the crack width, use a backer rod.

For cracks with a width greater than or equal to 1 inch, clean and fill flush to the existing surface with asphalt mix according to Section 401, 402, 403, 404, or 417.

For cracks less than ¼ inch wide, clean and fill with CSS-1, SS-1, or joint sealant. Apply a sealant band less than 2 inches over the crack, such that the crack is centered under the band.

Submit a copy of, and adhere to, the manufacture’s recommendations for heating and applying the joint sealant.

Clean cracks with a stream of air to remove all dirt, dust, or deleterious matter adhering to the crack walls or remaining in the crack cavity so that the crack is clean and dry when the sealant is applied. Blow or brush dry material off the pavement surface. Avoid damage to the adjacent pavement.

Use approved methods to protect all seal materials from being picked up by traffic. Treat seal material tracked onto the road surface as directed by the CO.

415 – Paving Geotextiles

415.06 Paving Geotextile Placement.

Delete paragraph (4) and replace with the following:

Broom the excess blotter from the geotextile surface before placing the overlay. Repair all damaged fabric before placing overlay. To avoid damaging the geotextile, do not turn equipment on the geotextile.

635 - Temporary Traffic Control

635.03_nat_us_05_13_2004

635.03 General.

Install temporary traffic control signs to temporary posts or approved temporary sign mounts.

703 - Aggregate

Delete 703.05 and replace with the following:

703.05 Base and Surface Course Aggregate.

(a) Base or surface aggregate. Furnish hard, durable particles or fragments of crushed stone, crushed slag, or crushed gravel conforming the following:

(1) Gradation Table 703-2

(2) Liquid limit, AASHTO T 89 25 max.

(3) Plastic limit, AASHTO T 90 Nonplastic

(4) Los Angeles abrasion, AASHTO T 96 40% max.

(5) Sodium sulfate soundness loss (5 cycles), 12% max.

AASHTO T 104

(6) Durability index (coarse), AASHTO T 210 35 min.

(7) Durability index (fine), AASHTO T 210 35 min.

(8) Fractured faces, ASTM D 5821 50% min.

(9) Free from organic matter and lumps or balls of clay

Do not use material that breaks up when alternately frozen and thawed or wetted and dried.

Obtain the aggregate gradation by crushing, screening, and blending processes as necessary. Fine aggregate, material passing the No. 4 sieve, shall consist of natural or crushed sand and fine mineral particles.

Delete Table 703-2 and replace with the following:

b le

-2 rg et

V a lu e

R a n g es f o r

S u b b a se a n d B a se

G ra d a ti ce n t b y M a ss

P a ss in g D es ig n a te d

S ie v e

(A A

S H

T O

T a n d

T

G ra d in g D es ig n a ti

E

B a se

.0

.0

T h e v al u e in t h e p ar en th es es i s th e al lo w ab le d ev ia ti o fr o m t h e ta rg et v al u

B a

.0

.0

C

B a

.0

B

S u b b a

.0

A

S u b b a se

.0

.0

S ie v e

S iz

½ i ch

½ i

/4 i

/2 i

/8 i

N

718 - Traffic Signing and Marking Material

718.05_nat_us_08_05_2009

718.05 Aluminum Panels

Delete the third paragraph and replace with the following:

Clean, degrease and properly prepare the panels according to methods recommended by the sheeting manufacturer. Conversion coatings will conform to ASTM B-921 or ASTM B-449.