Attachment_1_-_Axolotl_Lakes_Road_Technical_Specifications.pdf

SPECIFICATION INDEX

AXOLOTL LAKES ROAD SURFACING AND REALIGNMENT

MT-01009 . . . . . . . . . . . . . . . . General Information and Requirements

MT-02201 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Watering

MT-02213 . . . . . . . . . . . . . . . . . . . . . . . . . . . . Site Grading

MT-02233 . . . . . . . . . . . . . . . . . . . Crushed Aggregate Base Course

MT-02933 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Seeding

SECTION MT-01009

GENERAL INFORMATION AND REQUIREMENTS

GENERAL INFORMATION AND REQUIREMENTS 01/21

MT-01009-1

PART 1: GENERAL

1.01 SUMMARY:

A. Description of Work: Furnishing labor, equipment, supplies, and materials to grade, shape, water, and surfacing of 4.5 miles of road, realignment and surfacing of 0.57 miles of road, and other related work in accordance with the drawings and these specifications.

B. Stipulations for Performance Time & Site Closure: Contractor shall accomplish the work in 53 Calendar Days within the given performance time.

No variance will be allowed in the site closure date to accommodate public recreational use.

1. One side of Axolotl Lakes Road shall remained opened to allow access to Axolotl Cabin during June 6th through July 29th (53 Calendar Days):

a. Contractor shall perform all work required but not limited to:

all grading, shaping, watering and compacting, and aggregate base course work in accordance with these specifications and drawings.

Work shall be performed Monday through Friday. One side of

Axolotl Lakes Road shall remain open during construction to allow access to Axolotl Cabin throughout the duration of the project.

This shall be communicated with the Government to ensure visitors are able to access the cabin.

C. Location: Work under this Contract is located in Madison County, Montana.

Work locations are shown on the drawings.

1.02 REFERENCES:

A. Referenced Specifications/Standards with Abbreviations and/or Acronyms:

Wherever the following acronyms are used in these specifications or on the drawings, they are to be construed the same as the respective expressions represented. Copies of the referenced specifications/standards referred to herein may be procured by the Contractor from the following:

AASHTO American Association of State Highway and Transportation

Officials

444 North Capitol Street N.W., Suite 225

Washington, DC 20001

ASTM American Society for Testing and Materials

1916 Race Street

Philadelphia, PA 19103

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FP Standard Specifications for Construction of Roads and

Bridges on Federal Highway Projects

Superintendent of Documents

Government Printing Office

Washington, DC 20402

Fed. Spec. Federal Specification/Standard

General Services Administration

Specifications Branch

Room 6039, GSA Building

Seventh and D Streets, S.W.

Washington, DC 20407

MDT Standard Specifications for Road and Bridge Construction, 1995

Edition

Montana Department of Transportation

Contract Plans Section

2701 Prospect Avenue

Helena, MT, 59620

MUTCD Manual on Uniform Traffic Control Devices

Superintendent of Documents

Government Printing Office

Washington, DC 20402

OSHA Occupational Safety and Health Administration Standards

U.S. Department of Labor

Occupational Safety and Health Administration

Denver Area Office

333 West Colfax Avenue

Denver, CO 80204

*Federal Specifications and catalogs may be obtained at Business Service

Centers of Regional Offices of the General Services Administration.

(Washington, DC; Boston, MA; New York, NY; Philadelphia, PA; Atlanta, GA;

Chicago, IL; Kansas City, MO; Fort Worth, TX; Denver, CO; San Francisco, CA;

and Auburn, WA.)

1.03 DEFINITIONS:

A. Approvals: Approval of the submittal is an indication that the

Contractor's submittal has been reviewed and that there are no objections, except as noted. Approval of deviations shall apply only to those deviations or omissions from the requirements of the drawings and specifications brought to the Government’s attention in writing. After approval of an item, the Contractor may submit a substitute for approval when the approved item cannot be purchased or delivered in time to avoid delay in completion of the project.

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1.04 SUBMITTAL:

A. Scope: Submittals may include, but not necessarily limited to, the following: design computations, shop drawings, manufacturer’s literature, as-built drawings, samples, and maintenance manuals.

B. Requirements: Refer to specifications for required submittals. Allow at least 5 working days for review. Submittal shall be delivered to the

Government prior to any work beginning.

C. Identification of Submittal: Submit two copies of each submittal for approval.

1. Name and address of submitter, plus name and telephone number of the individual to contact for further information.

2. Name of project as it appears in these specifications.

3. Contract number, drawing number, and specification section number to which the submittal applies.

4. Whether this is an original submittal or re-submittal.

5. Each item shall clearly note the manufacturer's name and address, trade name, product, lot, style, color, catalog designation or model number, and locations of use.

1.05 CERTIFICATES OF CONFORMANCE:

A. Requirements: The Government may permit use, prior to sampling and testing of materials, when accompanied by a Certificate of Conformance.

Materials used on the basis of a Certificate of Conformance may be sampled and tested. Installation of materials on the basis of Certificates of

Conformance shall not relieve the Contractor of the responsibility for incorporating materials conforming to the requirements of the drawings and specifications. Material not conforming to those requirements will be subject to rejection, whether in place or not.

B. Format: The form of the Certificate of Conformance provided by the supplier shall be as follows: Submit one copy of the Certificate of

Conformance for approval.

1. The certificate shall state that the named product conforms to the

Contract requirements.

2. The certificate shall either be accompanied with a certified copy of the test results or certify that such test results are on file with the manufacturer and will be furnished to the Government upon request.

3. The certificate shall provide the name and address of the manufacturer, the testing agency, and the date of tests.

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4. The certificate shall set forth the means of identification permitting field determination of the product delivered as being the product covered by the certification.

1.06 QUALITY ASSURANCE:

A. Codes and Standards: All work shall comply with codes and standards applicable to each type of work and as listed in the individual sections of these specifications. This Contract incorporates materials, applications, and tests by reference with the same force and effect as when they were given in full text.

B. Conflict: Where a conflict occurs between reference documents and project specifications, the project specifications shall govern.

1.07 PROJECT/SITE CONDITIONS:

A. Access to the Work: The work site is accessed by state, county, and federal roads. Contractor shall furnish all construction signage required by local, state, or federal authorities with jurisdiction. It is the

Contractor’s responsibility to provide adequate barriers and signage to communicate the site closure to the public. Do not start any construction until the proper traffic control devices for warning, channeling, and providing safety for the motorists are in place at the project site. All signage and barricades shall be placed in accordance with MUTCD standards.

B. Construction Stipulations:

1. The area under construction shall be closed to the public during the construction process. Any closures shall be communicated to the public through the use of construction signage.

C. Environmental Considerations: The aesthetic value of the site and surrounding area are of prime importance. The Contractor shall take all care necessary to preserve all plant life and other natural features. Any surface damage outside the roadway area shall be corrected by the

Contractor at his expense. Any damage to existing state, county, or local roads, used to transport materials to the project, shall be corrected by the Contractor at his expense.

D. Construction facilities:

1. Do not park vehicles or equipment or store materials on private property without written permission from the property owner.

E. Repair of Underground and Overhead Utilities: Contractor is responsible for any damage to underground and overhead utilities such as but not limited to: water, electrical, phone, sewer, and main power lines.

Contractor shall contact the Montana one-call system for utility locations

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prior to starting work. The number for the Montana one-call system is 1-

800-424-5555.

1.08 SEQUENCING AND SCHEDULING:

A. Work Schedule: The schedule shall be submitted at the pre-work conference. Contractor shall not perform any work at the project site until a schedule of work is received by the Government. When requested, the Contractor shall submit an updated schedule within 3 calendar days.

PART 2: PRODUCTS

(There are no applicable requirements.)

PART 3: EXECUTION

3.01 PROJECT MEETINGS:

A. Pre-Work Conference:

1. Notification: A pre-work conference will be held prior to the start of work. The Contractor will be notified in advance of meeting time, date, and place. The purpose will be to review required work, project drawings and specifications, construction schedules, payroll and payments, and administrative provisions of the Contract.

2. Attendance: The Contractor, subcontractors, and the persons responsible for coordination of the work shall be present at the meeting.

3. Presentation: The Contractor shall be prepared to summarize and explain procedures planned for the project and present the submittal requested in the specifications.

B. Progress Meetings:

1. Location: Meetings shall be held at the project site or as determined by the Government.

2. Notification: Meetings may be called by either the Government or the

Contractor. The request shall state who should attend.

C. Final Inspection:

1. Location: Meeting shall be held at the project site, or as determined by the Government.

2. Notification: The Contractor shall notify the Government, in writing, at least two working days before the completion date so the Government can schedule final inspection.

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3. Attendance: The Contractor shall require the superintendent to be present during this inspection.

3.02 WORK LAYOUT:

A. Contractor Requirements:

1. The Contractor shall direct the trucks where to spread the delivered aggregate base course material to obtain the required 4 to 6-inch compacted thickness for the resurface area, and a 6-inch compacted thickness for the realigned area as shown on the drawings, and as staked in the field.

3.03 CLEANUP:

A. Waste Removal: The Contractor shall at all times keep the premises free from accumulation of waste materials or rubbish caused by his employees or work. At the completion of the work, the Contractor shall remove all such materials from the work site. The Government may remove all such materials and charge the cost to the Contractor, if the site is left untidy.

PART 4: MEASUREMENT AND PAYMENT

4.01 METHOD OF MEASUREMENT:

A. Units: The work described in this section will not be measured for payment.

4.02 BASIS OF PAYMENT:

A. Payment: No direct payment for the work described under this section will be made. Consideration for this item shall be included in the bid price for other items of the Contract.

END OF SECTION

SECTION MT-02201

WATERING

WATERING 01/21

MT-02201-1

A. Section Includes: Distributing and applying water required for compaction of the existing road and the new realigned road outlined in these specifications

1.02 PROJECT/SITE CONDITIONS:

A. Water Source: Contractor shall be responsible for obtaining the water source. The project site is near Moran Creek, and a few lakes.

Contractor shall obtain and bear all costs for any permits required to draw water from the creek, lakes, or any other water source as required by state law.

2.01 MATERIALS:

A. Water: Shall be clean and free from deleterious materials.

2.02 EQUIPMENT:

A. Requirements: Provide necessary pumping equipment and water trucks.

Water trucks shall be equipped with a pressure pump and spray bar of adequate capacity and designed to ensure uniform application of water in the amounts designated.

3.01 APPLICATION:

A. Requirements: Water shall be applied in such a manner to ensure uniform moisture content.

B. Compaction: The amount of water added or applied shall be sufficient to obtain a relative compaction.

C. Dust Control: Water dry material to prevent dust.

A. Units: The work described in this section will not be measured for payment.

WATERING 01/21

MT-02201-2

A. Payment: No direct payment for the work described under this section will be made. The Contractor shall include consideration for this item in the bid price for other scheduled items of the contract.

SECTION MT-02213

SITE GRADING

SITE GRADING 01/21

MT-02213-1

A. Section Includes: All earthwork required to complete the subgrade sections of the project, including clearing and grubbing, excavation, embankment, grading, compacting, and all miscellaneous landscaping related work to prepare the site as indicated and as shown on the drawings.

A. American Association of State Highway and Transportation Officials

AASHTO T 99-86 Moisture-Density Relations of Soils Using a 5.5-lb (2.5

kg) Rammer and a 12-inch (305 mm) Drop

AASHTO T 239-86 Moisture Content of Soil and Soil-Aggregate in Place by

Nuclear Methods (Shallow Depth)

1.03 DEFINITIONS:

A. Excavation: All excavation materials shall be considered as unclassified excavation, regardless of its nature.

B. Embankment: Shall be mineral soil, free from peat, frozen material, brush, trees, roots over 2 inches in diameter, and rocks over 6 inches in greatest diameter, and be obtained from on-site during excavation.

Embankment is defined as any material placed beneath roads, and along adjacent hillsides needed to bring the project area to subgrade elevations.

C. Waste Excavation: Excavation that is not used for construction of embankments shall be wasted in areas on-site, as directed by the

Government.

1.04 QUALITY ASSURANCE:

A. Failure Criteria: Not limited to the following:

1. Formation of pools of moisture where positive drainage is indicated on the drawings and in waste embankment areas.

2. Settlement of embankment.

3. Flow of moisture toward, or entrapment against, building foundations.

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1.05 PROJECT/SITE CONDITIONS:

A. Excess Material:

1. Excavated material unsuitable for building up embankment sections of the subgrade surface shall be wasted on-site as designated by the

Government.

2. Usable excess material excavated shall be used in the subgrade embankment construction before the use of imported borrow is allowed.

Borrow wasting is not permitted.

3. All oversized rocks removed below subgrade elevations shall be brought back to the original subgrade elevation using excavated material before the use of imported borrow is allowed. Borrow wasting is not permitted.

4. Rocks and boulders greater than 2 feet in diameter shall be separated and set aside at the direction of the Government in the field. All rock removal is considered incidental to site grading.

B. Elevations: Verify the grade elevations existing on the site. Notify the Government immediately if adjustments are required to provide finish elevations indicated. Site drainage shall be considered of prime importance.

C. Environmental Conditions: Do not attempt to grade saturated material.

Water dry material to prevent dust.

A. General: See definitions.

3.01 CLEARING AND GRUBBING:

A. Requirements: The area to be excavated, and the surface area to be covered by embankments, shall be thoroughly cleared and stripped of objectionable vegetative matter, brush, trees, stumps, roots, and rocks and shall be wasted in areas on-site, as directed by the Government and shown on the drawings.

3.02 SCARIFYING:

A. Requirements: Sod and vegetation shall be removed from the surface upon which the fill shall be placed, and the cleared surface shall be completely broken up by scarifying to a minimum depth of 6 inches.

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Scarifying furrows shall be a maximum of 3 feet apart and shall be parallel to the center line of the fill. No embankment materials shall be placed until the surface upon which the embankment material shall be placed has been approved.

3.03 PREWATERING:

A. Requirements: Excavation areas may be pre-watered prior to excavation.

The area to be excavated shall be moistened to the full depth from the surface to the bottom of the excavation. The application of water shall be controlled so that the excavated material will be near the optimum moisture content as specified in paragraph 3.06 A below. When necessary, pre-watering shall be supplemented to ensure that embankment material and backfill material moisture content comply with paragraph 3.06 A below.

Obtain water for pre-watering according to Section MT-02201 - Watering.

3.04 INSTALLATION:

A. Excavation: Excavated material shall be used to bring designated construction areas to the required subgrade and finished grade elevations as shown on the drawings or as staked in the field. Contractor shall obtain sands and gravels from the excavated material and mix to obtain the best possible embankment for which the fill is intended.

B. Grades: Grades not otherwise indicated shall be level or maintain uniform slopes between points where elevations are given, or between such points and existing finished grades. Any abrupt change in slopes shall be blended accordingly.

C. Earthfill Placement: Embankment materials shall be spread over the full width of the cross section of the embankment to a maximum compacted thickness of 6 inches and shall be compacted as specified in paragraph

3.06 A and B before the next layer is spread. Contractor shall use compaction equipment suitable to the type and depth of material being compacted, in order to obtain the required degree of compaction. The in-place materials shall be free of lenses, pockets, streaks, or layers of materials that differ substantially in texture or gradation from the surrounding materials.

D. Disposal of Materials: Excess excavation shall be disposed of on-site as designated by the Government. Waste material shall be shaped and blended in with the surrounding terrain and shall not exceed 2:1 slopes in the realigned area unless otherwise specified by the Government in the field.

E. Use of Borrow Material: Do not use imported borrow material until after the materials obtained from the required excavation have been placed in the fill, unless otherwise directed by the Government.

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3.05 FINISHING:

A. Subgrade for the new road shall be finished with equipment capable of shaping and grading the finished surface within the tolerance specified below.

1. The surface will be checked for the required grades staked in the field by the Government with a tolerance of ± 5 hundredths of an inch.

B. Road Grading: Contractor shall blade the new road just prior to final project inspection.

1. Existing Road

a. Sections of road constructed with roadside ditches on both sides shall be bladed and reshaped to maintain a crown at the centerline of the roadbed. The cross section shall slope uniformly both ways from the crown apex to the shoulder at a minimum grade of 2 percent and a maximum of 4 percent.

b. Sections of road constructed without roadside ditches shall be uniformly in-sloped or out-sloped the entire width of the road. The in-slope or out-slope grade shall be a minimum of 2 percent and a maximum of 4 percent unless otherwise staked on the ground. Care shall be taken during grading operations to prevent undercutting the road slopes.

2. Realignment Section

a. Road to be graded in accordance with contract drawings and as staked in the field.

C. Compaction: Material on the new road shall be compacted to the full width by means of compaction equipment suitable to the type and depth of material being compacted. Trucks and heavy equipment are not considered compaction equipment. Compact until a density of not less than 95 percent of the maximum dry density determined in accordance with AASHTO T 99.

D. Moisture Content: Water and mix until windrow material is uniformly moistened to optimum water content (-4 to +2 percent).

3.06 FIELD QUALITY CONTROL:

A. Moisture Content: During watering and compacting of the embankment subgrade, the optimum moisture content (-4 percent to +2 percent), as determined by AASHTO T 99 and AASHTO T 239, shall be maintained by wetting or drying.

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1. Waste shall be watered to control dust. Compaction for the waste may be limited to wheel rolling from heavy equipment used for placing and shaping the waste material.

E. Field Density Testing: The embankment subgrade and all crushed aggregate base course material shall be compacted to a minimum density of 95 percent of the maximum dry density obtained by AASHTO T 99. All field density testing shall be performed by a Certified Geotechnical Laboratory.

1. In-place field density tests for quality assurance will be performed at the discretion of the Government in accordance with the following:

AASHTO T238 and T239 (ASTM D2922 and D3017), Nuclear Densometer

Methods. Government will be responsible for all compaction testing.

A. Units: The site grading described in this section, including all clearing, grubbing, excavation, embankment, grading, general earthwork, watering, compacting, and all miscellaneous landscaping will be measured and paid for on a lump sum basis under MT-02213(1) Road Grading.

B. Units: The completed road maintenance will be measured in miles to the nearest tenth of a mile. The measurement will be taken along the centerline of the road for one length, regardless of the number of passes needed for grading, shaping, watering, and compacting. The measurement will be taken by using the odometer of a Government vehicle.

C. Units: Crushed aggregate base course material will be paid separately from site grading work under Section MT-02233 Crushed Aggregate Base

Materials.

A. Payment: The accepted quantities will be paid for at the contract price per unit of measurement, respectively, for the Road Grading and Road

Maintenance pay item shown in the Bid Schedule. Price and payment shall be full compensation for furnishing all labor, equipment, tools, and incidentals necessary to complete the work described in this section.

Payment will be made under:

Pay Item Pay Unit

MT-02213(1) Road Grading . . . . . . . . . . . . . . . . . . . . . Lump Sum

MT-02213(2) Road Maintenance . . . . . . . . . . . . . . . . . . . Mile

SECTION MT-02233

CRUSHED AGGREGATE BASE COURSE

CRUSHED AGGREGATE BASE COURSE 01/21

MT-02233-1

A. Section Includes: This work shall include furnishing, placing, watering and compacting aggregate base course material on the prepared existing subgrade of the roadway and realignment to these specifications and to the lines, grades, and thickness as shown on the drawings or as staked in the field. The material and delivery shall be according to these specifications.

1.02 CERTIFICATE OF CONFORMANCE:

A. Certification: Contractor to submit one copy of written certification that the Contractor-furnished material to be delivered conforms to the requirements of this specification section.

Contractor shall include in the submittal test results from a Certified

Geotechnical Laboratory: Samples shall be obtained from the stockpile of material to be used on this project at the time of delivery.

1. Sieve Analysis according to ASTM C136 and C117.

2. Loose Wet Density, (Unit Weight) of the material according to Jigging

Method ASTM C29.

3. Atterburg limits according to ASTM D4318.

4. Percentage of Mechanically Fractured Particles according to MT-217.

2.01 MATERIALS: Shall be in conformance with the following requirements:

A. General: Aggregate materials shall be free from vegetative matter, and other deleterious substances, and shall not contain an excess of thick or elongated pieces.

B. Aggregate Base Course: Aggregate base course material to be delivered to this project shall meet one of the following gradations:

3/4 INCH GRADATION & REQUIREMENTS:

Sieve Size Percent Passing

3/4 inch 100 percent

No. 4 30-60 percent

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No. 10 25-55 percent

No. 200 5-20 percent

1. The Maximum liquid limit for the material passing the No. 40 sieve is

35.

2. The Plasticity Index for the material passing the No. 40 sieve shall be between 0 and 6.

3. At least 35 percent by weight of the aggregate retained on the No. 4 sieve must have at least one mechanically-fractured face. Test for determining percentage of mechanically fractured particles shall be according to MT-217.

C. 4” – 8” Core Rock: 4” – 8” Core Rock shall be used on the downhill side of the water bars for drainage in accordance with the contract drawings.

2.02 TRUCKS & DELIVERY REQUIREMENTS:

A. Delivery: Contractor shall deliver material by single end dump trucks, truck and pup, belly dumps or transfer trucks. Due to the turnaround limitations on the road, the Contractor will be responsible for the type of trucks to be used.

1. Contractor shall supply a minimum 5 trucks on the days material is to be delivered to the project site.

2. The aggregate base course material shall be spread along the new road and existing road specified on the drawings. The Contractor shall direct the trucks where to spread the delivered material to obtain the required 4–6 inch compacted thickness for the surfacing area, and

6-inch compacted thickness for the realignment area as shown on the drawings.

2.03 Government Finished Property:

A. Water Bar: Water bars shall be provided by the Government. 4” – 8” Core

Rock for drainage area shall be provided by Contractor.

3.01 INSTALLATION:

A. All aggregate base course shall have water added as required in Section

02201 - Watering. The aggregate shall then be mixed and processed to produce a uniform blend of material before final placement. After processing, the material shall be placed and spread on the prepared roadway and turnouts in a uniform thickness of 4 to 6-inches in compacted depth on the resurfaced road, and minimum 6-inches for the realigned

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area. The method of dumping and spreading shall be determined by the

Contractor. The spread material shall be free of segregation.

B. Contractor shall blend into and out of cattleguards, other existing roadway intersections and turnouts along the road with the crushed aggregate base course material. All cattleguards shall be higher than finished road bed and free draining away from each structure.

3.02 COMPACTION:

A. Each layer of aggregate base course material shall be compacted to the full width by means of compaction equipment suitable to the type and depth of material being compacted. Trucks and heavy equipment are not considered compaction equipment. Compaction of each layer shall continue until density of not less than 95 percent of the maximum dry density is achieved in accordance with AASHTO T 99.

3.03 FINISHING:

A. The final layer of aggregate base course shall be finished with equipment capable of shaping and grading the finished surface within the tolerance specified below.

1. The surface will be checked for the required grades specified on the drawings by the Government with tolerances being ± 3-hundreths of a foot.

A. Units: The work described in this section will be measured and paid for by the loose cubic yard of crushed aggregate base course material installed on Axolotl Lakes Road. Determination of quantities shall be as follows:

1. Loose Material hauled shall be weighed at a certified scale and tickets given to the Project Inspector.

2. Loose material hauled shall then be divided by the Loose Wet Density, (Unit Weight) of the material to obtain the Loose Cubic Yards delivered for each truck load.

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A. Payment: The accepted quantities will be paid for at the Contract price per unit of measurement, respectively, for the pay item shown in the Bid

Schedule. Price and payment shall be full compensation for furnishing and delivering all material, including all labor, equipment, tools, and incidentals necessary to complete the work described in this section.

Payment will be made under:

Payment Pay Unit

MT-02233(1) Crushed Aggregate Base-Installed . . . . . . . . . . Cubic Yard

MT-02233(2) 4” – 8” Core Rock. . . . . . . . . . . . . . . . . . . Cubic Yard

End of Section

SECTION MT-02933

SEEDING

SEEDING 01/21

MT-02933-1

A. Section Includes: Furnishing labor, equipment, supplies, and materials to native seed to disturbance areas adjacent to the realigned road as identified in the contract documents or as directed by the Government in the field.

A. Federal Specifications:

Fed. Spec. JJJ-S-181B Seeds, Agricultural

1.03 SUBMITTALS:

A. General: Submittals shall be according to Section MT-01009 - General

Information and Requirements.

Certificates of Conformance: Submit one copy of written certification from the supplier that they conform to the requirements of this specification section for the following:

1. Native Seed

A. Seed Species: Shall be Pure Live Seed, (PLS), and shall contain no noxious weeds, and conform to the following:

Weed

Purity Germination Content

Seed Species (PLS) Min. % Min. % Max. %

Critana Thickspike Wheatgrass 90 80 .70

Sodar Streambank Wheatgrass 90 80 .70

Pryor Slender Wheatgrass 90 85 .70

Alfalfa Ladak 65 90 80 .70

B. Seed Mix: Shall not exceed 0.5 percent maximum weed content of the total mix, and shall be applied in the following proportions:

MT-02933-2

Hydraulic

Seed Species (PLS) (Pounds of PLS)

Critana Thickspike Wheatgrass 14

Sodar Streambank Wheatgrass 14

Pryor Slender Wheatgrass 4

Alfalfa Ladak 65 8

Total Pounds per Acre 40

3.01 PREPARATION:

A. Site: Upon completion of construction operations, remove rock, debris, and clods that are 3 inches in diameter or larger within the seeded areas.

3.02 APPLICATION:

A. Native Seed and Mulch: Shall include the entire project and shall be applied in the frost-free period between the spring and fall, unless otherwise approved in writing by the Government. The Contractor shall protect seeded areas from damage from traffic or construction equipment.

Any damaged areas shall be repaired by the Contractor. Contractor to apply seed mix and mulch by hydroseeding in a multiple-step process to ensure maximum direct contact of the seeds to soil.

Contractor: DO NOT ADD FERTILIZER TO THE SEED MIX!

STEP-1 Requirements:

1. Mix native seed mix in water with a nonasphaltic tackifier using equipment specifically designed for Hydroseeding applications.

Continue mixing until uniformly blended into homogenous slurry suitable for hydraulic application.

2. Apply the slurry seed mix uniformly to all areas to be seeded. Apply the seed mix at a minimum rate of 40 lbs per acre.

STEP-2 Requirements:

1. Mix wood fiber mulch in water with a nonasphaltic tackifier using equipment specifically designed for Hydroseeding applications.

Continue mixing until uniformly blended into homogenous slurry suitable for hydraulic application.

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2. Apply the slurry wood fiber mulch uniformly to all areas that have been seeded in the first step. Apply the wood fiber mix at a minimum rate of 2000 lbs per acre dry weight.

B. Finishing: Re-seed and mulch areas where mulch is weather damaged.

Repair seedbed and seeding damage caused by displaced mulch material and re-seed and mulch areas. Seedbed repair, re-seeding, and re-mulching required will be at the Contractor's expense.

A. Units: The work described in this section will be measured and paid for as follows:

1. Hydroseeding including seed, mulch, labor, and equipment by the acre in place in a multiple step process.

A. Payment: Prices and payment will be full compensation for the work described in this section. Payment will be made under:

Pay Item Pay Unit

MT-02933(1) Hydroseeding . . . . . . . . . . . . . . . . . Acre