FSSS.docx

Appendix A RECOVERY: Aquarius & Road 247 Pavement Rehabilitation

FOREST SERVICE SUPPLEMENTAL SPECIFICATIONS

Table of Contents

Preface 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

101.01 Meaning of Terms

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

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:

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.

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 Bid, Award, and Execution of Contract

Delete Section 102 in its entirety.

103 - Scope of Work Deletions

Delete all but subsection 103.01 Intent of Contract.

104 - Control of Work Deletions

Delete Sections 104.01, 104.02, and 104.04.

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 Material Sources

Add the following to section (b) Contractor-located sources.

Prior to any pit development or use of materials, the CO shall receive state certification the pit site is free of noxious weeds.

106 - Acceptance of Work

106.07 Delete

Delete subsection 106.07.

107 - Legal Relations and Responsibility to the Public

107.05 Responsibility for Damage Claims.

Delete the entire subsection.

107.06 Contractor’s Responsibility for Work.

Delete the following from the first paragraph.

“except as provided in Subsection 106.07”.

107.09 Legal Relationship of the Parties.

Delete the entire subsection.

108 - Prosecution and Progress 108 Delete.

Delete Section 108 in its entirety.

109 - Measurement and Payment 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 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.

153 – Contractor Quality Control Add the following:

153.07. Project Submittals

At a minimum the contractor shall provide project submittals as shown on the below Submittal Log. Submittal requirements are listed in the Standard Specifications, Supplemental Specifications, and Plans.

Submittal Log

Pay Item(s)

/Drawings Additional Specification References

Certification FSSS 105.02(b)

Certification

Approval

155 - Schedules for Construction Contracts 155 Delete.

Delete Section 155 in its entirety.

203 - Removal of Structures and Obstructions

203.05 Disposing of Material.

Modify this subsection as follows:

(a) Remove from project. Add the following:

All materials designated for removal become the property of the Contractor and are to be disposed of by removing off of Forest Service Lands in accordance with all local, state and federal requirements.

(b) Burn. Delete this section.

(c) Bury. Delete this section.

204 - Excavation and Embankment Delete Section 204 in its entirety and replace with the following.

204.01 Description

This work consists of excavating material, constructing embankments and drainage excavation. This includes furnishing, hauling, stockpiling, placing, disposing, sloping, shaping, compacting, and finishing earthen and rocky material.

204.02 Definitions

(a) Excavation. Excavation consists of the following:

(1) Roadway excavation. All material excavated from within the right-of-way or easement areas, except subexcavation covered in (2) below and structure excavation covered in Sections 208 and 209. Roadway excavation includes all material encountered regardless of its nature or characteristics.

(2) Subexcavation. Material excavated from below subgrade elevation in cut sections or from below the original groundline in embankment sections.

(3) Borrow excavation. Material used for embankment construction that is obtained from outside the roadway prism. Borrow excavation includes unclassified borrow, select borrow, and select topping.

(b) Embankment construction. Embankment construction consists of placing and compacting roadway or borrow excavation. This work includes:

(1) Preparing foundation for embankment;

(2) Constructing roadway embankments;

(3) Benching for side-hill embankments;

(4) Constructing dikes, ramps, mounds, and berms; and

(5) Backfilling subexcavated areas, holes, pits, and other depressions.

(c) Conserved topsoil. Excavated material conserved from the roadway excavation and embankment foundation areas that is suitable for growth of grass, cover crops, or native vegetation.

(d) Waste. Excess and unsuitable roadway excavation and subexcavation that cannot be used.

204.03 Material

Conform to the following Subsections:

Construction Requirements

204.04 Preparation for Roadway Excavation and Embankment Construction Clear the area of vegetation and obstructions according to Sections 201 and 203.

204.05 Reserved

204.06 Roadway Excavation

Excavate as follows:

General. Do not disturb material and vegetation outside the construction limits.

Incorporate only suitable material into embankments. Replace any shortage of suitable material caused by premature disposal of roadway excavation At the end of each day's operations, shape to drain and compact the work area to a uniform cross-section. Eliminate all ruts and low spots that could hold water.

Retrieve material deposited outside of the clearing limits.

204.07 Subexcavation

Excavate all unsuitable material. Prevent unsuitable material from becoming mixed with the backfill. Dispose of unsuitable material according to Subsection 204.14. Backfill the subexcavation with topping, or other suitable material. Compact the material according to Subsection 204.11.

204.08 Borrow Excavation

Use all suitable roadway excavation in embankment construction. Borrow excavation shall include only the quantity necessary to complete the embankment to the required dimensions. Excess borrow will be deducted from the contract quantity.

Obtain borrow source acceptance according to Subsection 105.02. Develop and restore borrow sources according to Subsection 105.03. Do not excavate beyond the established limits. When applicable, shape the borrow source to permit accurate measurements when excavation is complete.

204.11 Compaction

Compact the embankment using the following method:

Adjust the moisture content of the material to a moisture content suitable for compaction. Operate compaction equipment over the full width of each 12 inch layer with a minimum of three complete passes or until visual displacement ceases.

204.12 Ditches

Slope, grade, and shape ditches. Remove all projecting roots, stumps, rock, or similar matter. Maintain all ditches in an open condition and free from leaves, sticks, and other debris.

204.13 Sloping, Shaping, and Finishing.

Complete slopes, ditches, culverts, riprap, and other underground minor structures before placing aggregate courses. Slope, shape, and finish as follows:

(a) Sloping. Leave all earth slopes with uniform roughened surfaces, except as described in (b) below, with no noticeable break as viewed from the road. Except in solid rock, round tops and bottoms of all slopes including the slopes of drainage ditches. Round material overlaying solid rock to the extent practical. Scale all rock slopes. Slope rounding is not required on tolerance class D through M roads.

If a slide or slipout occurs on a cut or embankment slope, remove or replace the material, and repair or restore all damage to the work. Bench or key the slope to stabilize the slide. Reshape the cut or embankment slope to an acceptable condition.

(b) Shaping. Shape the subgrade to a smooth surface and to the cross-section required. Shape slopes to gradually transition into slope adjustments without noticeable breaks. At the ends of cuts and at intersections of cuts and embankments, adjust slopes in the horizontal and vertical planes to blend into each other or into the natural ground.

(c) Finishing. Finish the roadbed to be smooth and uniform, and shaped to conform to the typical sections. Remove unsuitable material from the roadbed and replace it with suitable material. Scarify to 6 inches below the bottom of low sections, holes, cracks, or depressions and bring back to grade with suitable material. Maintain proper ditch drainage.

For surfaced roads, remove all material larger than 6 inches from the top 6 inches of the roadbed.

204.14 Disposal of Unsuitable or Excess Material.

Dispose of unsuitable or excess material at designated sites or legally off of the project.

There is no pay item for waste material.

204.15 Acceptance

Material for roadbed fill and conserved topsoil will be evaluated under Subsections 106.02 and 106.04.

Excavation and embankment construction will be evaluated under Subsections 106.02 and 106.04.

Clearing and removal of obstructions will be evaluated under Sections 201 and 203.

204.16 Measurement

Measure the Section 204 items listed in the bid schedule according to Subsection 109.02 and the following as applicable.

204.17 Payment

The cost of excavation, embankment and haul required for placement of roadway fill is incidental to pay items listed in the bid schedule. No payment will be made under Item 204.

324 - Minor Aggregate Course - Commercial Source

Description

324.01 This work consists of constructing one or more courses of aggregate on a prepared surface. Work includes producing aggregate by crushing methods.

Material

324.02 Conform to the following Subsections:

Construction Requirements

324.03 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 aggregate gradations for approval by the CO.

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.

0. Mixing and Spreading. Mix the aggregate and adjust the moisture content to obtain a uniform mixture with 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. Place the mixture in a maximum compacted layer thickness of 6 inches.

When more than one layer is necessary, compact each layer according to Subsection 324.05 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.

324.05 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 FSSS 204.11.

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 FSSS 204.11.

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 percent 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.

324.06 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.

324.07 Maintenance. Maintain the aggregate course to the correct line, grade, and crosssection by blading, watering, rolling, or any combination thereof until placement of the next course. Correct all defects according to Subsection 324.06.

324.08 Acceptance. See Table 324-1 for sampling and testing requirements.

Aggregate gradation and surface course plasticity index will be evaluated under Subsection 106.03 and 106.04. Other aggregate quality properties will be evaluated under Subsections 106.02 and 106.03. Placement of aggregate courses will be evaluated under Subsections 106.02 and 106.04.

Preparation of the surface on which the aggregate course is placed will be evaluated under Section 204 or 303 as applicable.

Measurement

324.09 Measure the Section 324 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

324.10 The accepted quantities will be paid at the contract price per unit of measurement for the Section 324 pay items listed in the bid schedule. Payment will be full compensation for the work prescribed in this Section. See Subsection 109.05.

403 - Hot Asphalt Concrete Pavement

403.03 (e) Acceptance.

Add the following: After review of the submitted mix design the CO may increase the asphalt content to be used for construction, up to +.3% over that recommended by the Laboratory mix design, at no additional cost, to meet agency or project requirements.

403.06_nat_us_05_17_2005

403.06 Surface Preparation.

Add the following:

Prelevel dips, depressions, sags, excessive or nonexistent crown, or other surface irregularities with hot asphalt concrete according to Section 404. Spread and compact the hot asphalt concrete in layers parallel to the grade line not exceeding 2 inches in compacted depth.

403.16_nat_us_03_02_2005

403.16 Pavement Smoothness.

Delete the heading and replace with the following:

Pavement Smoothness and Surface Tolerance Add the following:

The maximum variation from the compacted width is 3 inches and the average width of 4 or measurements for any ½ mile of road segment is the specified width.

The maximum variation from the compacted specified thickness is ¼ inch and the average thickness of 4 measurements for any ½ mile of road segment is the specified thickness

403.17_nat_us_03_02_2005

403.17 Acceptance.

Modify Table 403-1 Sampling, Testing, and Acceptance Requirements as follows:

In the sampling frequency column for the characteristics: gradation, asphalt content, and compaction, add the following:

but no fewer than a minimum of 1 per shift 403.17_nat_us_03_02_2005

Add the following:

Table 403-1—Acceptance Sampling and Testing Requirements.

409 - Asphalt Surface Treatment 409.02_nat_us_05_12_2004

409.02 Material.

Add the following:

When designated, conform to applicable State department of transportation asphalt cement or emulsified asphalt requirements.

409.06_nat_us_05_12_2004

409.06 Weather.

Delete the first paragraph and replace with the following:

Apply surface treatments with aggregate only when ambient air and surface temperatures are above 60 °F and rising in the shade, when the weather is not foggy or rainy, and when rain is not forecast for at least 24 hours after application.

409.06 Date & Time.

Add the following.

Construct fog seal and single-course surface treatments between June 1 and August 30 409.08_nat_us_06_21_2005

409.08 Asphalt Application.

Add the following to the 3rd paragraph:

Ensure the length of spread is no more than what can be covered with aggregate within 1 minute of the asphalt application.

409.10 Fog Seal.

Add the following to the first paragraph:

Dilute by adding an equal amount of water to the emulsified asphalt. Do not cut the emulsified asphalt more than once.

409.11 Single Course Surface Treatments.

Add the following:

Do not permit traffic to travel over any Asphalt Surface Treatment until completion of rolling.

409.10_01_us_03_08_2006 Delete Table 409-1 and substitute the following:

Table 409-1 Approximate Quantities of Material-Single Course Surface Treatment

Table 409-1 Approximate Quantities of Material for Single-Course Surface Treatment

(1) See Table 703-7 for aggregate gradations.

(2) Aggregate masses are for aggregates having a bulk specific gravity of 2.65, as determined by AASHTO T 84 and T 85. Make proportionate corrections when the aggregate furnished has a bulk specific gravity above 2.75 or below 2.55.

(3) Adjust the asphalt content for the condition of the road. For Region One use only 3/8 inch aggregate unless approved by Regional office.

409.13_nat_us_05_13_2004

409.13 Acceptance.

Delete the 2nd paragraph and replace with the following:

Aggregate gradation for asphalt surface treatment will be evaluated under Subsection 106.04.

Table 409-4 Sampling and Testing Requirements.

Delete the last cell (4th) under Sampling Frequency and replace with the following:

1 per tanker truck and 1 per trailer Delete the 2nd and 3rd cell under Type of Acceptance and replace with the following:

Measured and tested for conformance (106.04)

Section 414. Asphalt Pavement Crack Sealing

414.01 This work consists of preparing and sealing pavement cracks with low-modulus rubberized asphalt sealer as specified below.

Material

414.02 All material used must meet or exceed the following Low-Modulus Rubberized Asphalt Specifications. Use sealant meeting the requirements of ASTM D5167 and D5329 as shown below and specified in the Montana DOT special provisions for crack sealing.

Three known supplier product that meet these requirements in the past are:

1. Crafco 522

1. Maxwell Elastoflex 72

1. Crackfiller Mfg. CMC-101-ELT-B4135

Prior to the prework meeting the contractor shall provide a manufacturers’s certificate for the proposed sealant that shows the product meets or exceeds the above requirements. If directed by the CO a sample will be available for confirmation testing. All containers of crack sealer shall be clearly mark with specific product name and numbers as shown on manufacturer’s certification. Product will be approved by CO prior to use.

Construction Requirements

414.03 Routing Route and clean all existing cracks between 1/4” and 1” wide. Route cracks to produce straight 1/4” vertical walls and a 1 ½” wide flat bottom reservoir. Remove and dispose of the routed material.

414.04 Cleaning Ensure the reservoir and crack are dry and free of dust, dirt and loose materials immediately before placing the backer rod, if applicable, and applying the sealant. Use air equipment producing at least 100 CFM and a continuous line pressure of at least 125 PSI. the air must be free of oil and water.

414.05 Sealing Place sealant material within 72 hours of routing. Follow the sealant manufactures handling , mixing and application temperature requirements. Apply sealant, fillng the reservoir flush to the top, using a pressure type applicator. Open the completed work to traffic only when the sealant will not track. Repair or replace all seal work damaged by traffic at Contractor expense. All cracks sealed require blotter material and the only approved blotter material is toilet paper. Install backer rod, or other approved asphalt filler material, in cracks ¾” or wider or where the sealant penetrates more than two times the crack width for ½” -1” cracks. For cracks less than 1/4 “, clean and apply a sealant band of 2” width such that the crack is centered under the band. For cracks wider than 1” , treat as an Asphalt Pavement Patch Section 430, cutting full depth on each sides of the crack( 6” each side, 12” total), then clean, tack and fill flush and compact with an approved asphalt mix according to sections 401,402,403,404 or 417.

414.06 Temperature Limitations Do not rout when the mat temperature is below 350F. Apply the sealant when there is no evidence of frost in the road section, the roadway surface is dry, the weather is not foggy or rainy, and the road surface temperature is between 350F and 680F.

414.07 Acceptance. Material for asphalt pavement crack sealing will be evaluated under Subsections 106.02 and 106.03. At project startup, Contractor and FS will select random sections (~ 113 ft in length), representative of project to compare pre-seal crack measurements to sealed crack measurements. At any time results deviate more than + or – 15%, sealing will stop until descrepancy is resolved.

Asphalt pavement crack sealing will be evaluated under Subsection 106.04.

Measurement

414.08 Measure the Section 414 items listed in the bid schedule according to Subsection 109.02.

414.09 The accepted quantities will be paid at the contract price per unit of measurement for the Section 414 pay items listed in the bid schedule. Payments will be full compensation for the work prescribed in this Section. See Subsection 109.05.

Section 430. Asphalt Pavement Patching

430.01 This work consists of performing full depth patching, patching with geotextiles, skin patching, spray-injection patching, and removal and replacement of asphalt berms.

Material

430.02 Conform to the following Subsections:

Construction

430.03 Composition of Mix (Job-Mix Formula). Furnish either Hot Asphalt Pavement or Cold Asphalt Mix as approved by the CO.

430.04 Full Depth Patch.

Remove material to a minimum depth of 4 inches, or as necessary to reach firm support. If firm support for a patch is unavailable, notify the CO prior to placing any material.

Trim or mill the edges of the prepared hole to form a vertical face in un-fractured asphalt surfacing. Make the prepared hole rectangular, and clean it of all loose material. When the hole is dry, apply emulsified asphalt to the bottom and faces of the hole. Barricade prepared sites. Patch the sites immediately after the emulsified asphalt breaks. Place the asphalt concrete mixture in layers not exceeding 4 inches. Thoroughly compact each layer with hand or mechanical tampers or rollers. For hot asphalt concrete mixtures, compact the mix while it is above 230 °F.

Compact the finished surface with a steel-wheel roller or vibratory plate compactor. Ensure that the compacted patch is approximately 1/8 to 1/4 inches above the level of the adjacent pavement. Seal the edges of the completed patch with emulsified asphalt, and blot with fine sand.

430.05 Patching with Geotextile. Prepare the surface by digging out and patching according to Subsection 430.04 or by cleaning the surface, removing vegetation, and filling all cracks more than 1/4 inch wide with an approved crack-filling material. Remove excess crack-filling material. Spray the prepared surface with asphalt cement or emulsified asphalt according to the geotextile manufacturer’s direction. Immediately place the geotextile over the repaired area. Allow emulsified asphalt to break before placing geotextile. Extend the fabric a minimum of 6 inches beyond the repaired or patched area onto sound adjoining pavement. Use a minimum of 2 inches overlap where adjacent fabric panels are needed to cover the repaired area.

Do not place the asphalt concrete mixture until authorized by the CO. Uniformly distribute asphalt concrete mixture in layers not to exceed 2 inches compacted depth. Feather the edges of skin patches. When placing more than one layers, offset all joints at least 6 inches between layers. Compact each layer with an 8 to 10 ton steel roller. For hot asphalt concrete mixtures, compact the mix while it is above 230°F. Ensure that the completed patch does not have abrupt transitions that could adversely affect the steering of a passenger car traveling across the area. Provide transition tapers for skin patches that are 12 inches long per 1/8 inch thickness of patch in the direction on travel.

430.06 Skin Patches. Prepare the surface on which the skin patch is placed by cleaning the surface, removing vegetation, and filling all cracks more than 1/4 inch wide with an approved crack-filling material. Remove excess crack-filling material. Spray the surface with emulsified asphalt at the rate approved by the CO.

Apply the asphalt concrete mixture according to Subsection 430.05.

430.07 Spray-Injection Patching. Use an approved continuous process that cleans and dries the area to be patched, sprays a tack coat of binder on the sides and bottom of the pothole, place aggregate coated with emulsified asphalt, and covers the area with a choker aggregate.

430.08 Asphalt Berm. Remove damaged segments of berm and bevel exposed ends at approximately 45 degrees from vertical. Clean and patch the berm foundation as necessary. Coat the foundation and joining surfaces with emulsified asphalt. Place and compact asphalt mix to conform to the shape of the undamaged segment.

430.09 Waste Material. Dispose of all materials removed from potholes, patches, and berms in accordance with Subsection 203.05(a).

430.10 Acceptance. Asphalt concrete mixtures will be evaluated under Subsections 106.02 and 106.03. Geotextiles will be evaluated under Subsection 106.03. Spray-injection patching will be evaluated under Subsections 106.02 and 106.03.

Measurement

430.11 Measure the Section 430 items listed in the bid schedule according to Subsection 109.02.

430.12 The accepted quantities will be paid at the contract unit price per unit of measurement for Section 430 pay items listed in the bid schedule. Payment will be full compensation for the work prescribed in this Section. See Subsection 109.05

622 - Rental Equipment

622.02 Rental Equipment

Delete the first two sentences of the first paragraph and add the following:

Provide equipment of the type listed in the Schedule of Items. Provide equipment of at least the minimum size needed to efficiently perform the work. Submit the model number of the equipment to the CO for approval before delivery to the project site. Equipment shall be no more than 15 years old and shall be reasonably free of leaks and other mechanical deficiencies

625 - Turf Establishment

625.03 General.

Delete the first subsection and add the following:

Apply turf establishment to finished slopes and ditches between June 15 and October 30. Do not seed during windy weather or when the ground is excessively wet, frozen, snow covered, extremely dry, cloddy, hard pan, or is otherwise untillable.

Application Methods for Seed, Fertilizer, & Limestone

"Furnish the kinds of seed and the amounts to be applied in terms of pure live seed as follows:

Quantity of Pure Kind of Seed Live Seed (lbs/acre)

1. annual rye grass_ _ (20%)__ _____7.0__________

2. Idaho fescue_ __ _(25%)__ _____8.8__________

3. mountain brome_ (35%)__ ____12.2__________

4. bluebunch wheatgrass (20%)__ _____7.0__________

Total _____35 lbs/acre_ ____

Determine the pounds of seed to be furnished per acre by dividing the pounds of pure live seed required per acre by the product of the percent purity and percent germination.

0.90 x 0.85 purity = 90% and germination = 85%

Apply seed by the dry method. No fertilizer shall be used.

625.05 Watering

Delete the entire subsection

625.07 Seeding.

(a) Dry method

Remove the last sentence: “Lightly compact the seedbed within 24 hours after seeding 627 – Sod

627.01Description Delete this entire subsection and add the following:

This work will consist of removing sod from the edge of asphalt pavement to allow for drainage.

627.02 Material

Delete this entire subsection:

627.03 General

Delete this entire subsection and add the following:

Sod will be removed from the edge of asphalt pavement a minimum of 6”. All waste generated can be disposed of at the Kelly Forks Pasture, approximately ¼ mile from the project site, at a site designated by the C.O.

627.04 Inspection and Delivering

Delete this entire subsection and add the following:

All debris must be removed from the asphalt pavement and the asphalt pavement must be left in a clean condition.

627.05 Preparing the Soil

Delete this entire subsection:

627.06 Placing Sod

Delete this entire subsection:

627.07 Maintaining Sodded Areas

Delete this entire subsection:

627.08 Acceptance

Delete this entire subsection and add the following:

Acceptance will be based on a clean uniform sod line approximately 6” from the edge of asphalt pavement that will allow for drainage of the asphalt pavement. Acceptance will also be based on the soil underneath the removed sod be left in a smooth well grade manner and the asphalt pavement being left in a clean condition.

627.09 Measurement

Delete this entire subsection and add the following:

Measure the section 627 items listed in the bid schedule, Section B, according to the Subsection 109.02.

703 - Aggregate

703.03 Granular Backfill.

Add the following:

(c) Course Granular Backfill. Furnish backfill material that consists of clean, hard durable particles or fragments of crushed stone, crushed slag or crushed gravel meeting the gradation shown below.

703.10(e) Flakiness Index.

Delete and replace with the following:

Flakiness Index, FLH T 508 30% max.

703.10(i) Adherent Coating.

Add the following:

Adherent coating on the aggregate, FLH T 512 0.5% max.

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