CNNF & OTT Gravel Crushing - Specifications - 2020 Rv1.doc

Solicitation# 12569R20Q0004 Gravel Crushing IDIQ

Chequamegon-Nicolet National Forest and Ottawa National Forest

CONTRACT DOCUMENTS, EXHIBITS OR ATTACHMENTS

ATTACHMENT 1 – DESCRIPTION/SPECIFICATION/STATEMENT OF WORK

SCOPE OF WORK

The Forest Service (FS) has a requirement to establish an Indefinite Delivery-Indefinite Quantity Contract for the crushing, stockpiling, and testing of aggregate from designated Government sources throughout the Chequamegon-Nicolet and Ottawa National Forests. One fixed price contract award for the entire forest is anticipated. The contractor shall provide all labor, materials, equipment, tools, supplies, transportation, and incidentals necessary in accordance with the following terms and specifications.

The Contractor must comply with the Agricultural Act of 2014; the Food, Conservation and Energy Act of 2008 (FECA); Section 9002 of the Farm Security and Rural

Investment Act of 2002 (FSRIA); Executive Order (EO) 13514, “Federal Leadership in Environmental, Energy and Economic Performance”(10/2009); Executive Order (EO) 13423, “Strengthening Federal Environmental, Energy, and Transportation Management”(01/2007); Presidential Memorandum, “Driving Innovation and Creating Jobs in Rural America through Biobased and Sustainable Product Procurement” (02/2012); and the Federal Acquisition Regulation to provide biobased products.

The Contractor shall utilize products and material made from biobased materials to the maximum extent possible without jeopardizing the intended end use or detracting from the overall quality delivered to the end user. All supplies and materials shall be of a type and quality that conform to applicable Federal specifications and standards. All supplies and materials to be used in the performance of work described herein are subject to the approval of the Contracting Officer Representative (COR).

Ordering

(a) Any supplies and services to be furnished under this contract shall be ordered by issuance of task orders by a warranted Forest Service procurement official, within the limits of said warrant. Such orders may be issued from date of contract award through December 31, 2024.

(b) Task orders will include specified project estimated quantities, location maps, access descriptions, pit development plans, and completion date requirements.

(c) All task orders are subject to the terms and conditions of this contract. In the event of conflict between a delivery order or task order and this contract, the contract shall control.

(d) If mailed, a task order is considered "issued" when the Government deposits the order in the mail. Orders may be issued orally, by facsimile, or by electronic commerce methods only if authorized in the Schedule.

LOCATION

Work shall be performed in the Pits within the following areas:

Chequamegon-Nicolet National Forest in northern Wisconsin. Counties included are Ashland, Bayfield, Sawyer, Taylor, Price, Florence, Vilas, Oneida, Oconto, Langlade, and Forest. Government sources will be identified on project location maps.

Ottawa National Forest in the western upper peninsula of Michigan. The Ottawa National Forest is located in the following counties: Gogebic, Houghton, Baraga, Iron, and Ontonogan. Government sources will be identified on project location maps.

EQUIPMENT

The Contractor shall furnish sufficient equipment necessary to crush and stockpile up to 40,000 cubic yards of crushed aggregate. All equipment shall be of the proper type, sufficient size, and in such mechanical condition to produce a satisfactory quantity of work. The crushing operation shall be equipped with a primary rock breaker to reduce the size of source material. The Contracting Officer may order the removal and require replacement of any unsatisfactory equipment.

PERSONNEL QUALIFICATIONS

The Contractor shall furnish qualified equipment operators capable of performing in a skillful and professional manner. The Contracting Officer may require the replacement of any operator considered incompetent, careless, or otherwise objectionable.

METHOD OF OPERATION IN GOVERNMENT PIT

(a) Development - Pit development work shall be in accordance with these specifications and the Pit Development Plan. Pit development shall include maintaining the pit access road, clearing and grubbing, stockpiling of topsoil and oversized rock, disposal of stumps, brush, and unsuitable material.

(b) Pit Access Road - The Contractor shall be responsible for maintaining the pit access roads.

(c) Clearing and Grubbing - In areas requiring removal of timber, trees shall be piled at a location approved by the Contracting Officer. Stumps shall be grubbed as needed prior to the removal of any material for crushing. The Contractor shall pile all resulting stumps and slash in the area indicated on the Pit Development Plan and/or as approved by the Contracting Officer.

(d) Operations

(1) All pit development work shall be completed by the Contractor prior to start of crushing operations. A 10-foot-wide cleared area shall be maintained along the top edge of the pit face.

(2) All available material suitable for crushing, including the floor of the existing pit, shall be utilized in the Contractor's operations. The floor of the pit shall be sloped to drain away from the pit face.

(3) Unsuitable material shall be incorporated into a disposal area designated by the Contracting Officer. Oversized rock encountered during the crushing operations shall be stockpiled, away from the pit face, in an area designated by the Contracting Officer. Placement of oversized rock in the area immediately adjacent to the pit face being utilized for current operations will not be allowed.

(4) Any available topsoil material encountered in the "Area to be Developed", shown on the Pit Development Plan, shall be stockpiled in the area designated by the Contracting Officer.

(e) Stockpile

(1) The stockpile site shall be located as indicated on the Pit Development Plan or approved by the Contracting Officer. The floor of the pit shall be uniform in slope. The Contractor shall notify the Contracting Officer prior to the start of any crushing operations, to allow sufficient time for cross-sectioning of the pit floor.

(2) The stockpile shall be built up in layers 1 to 4 feet in depth, then leveled. Material shall be deposited in a manner which prevents segregating, cones are unacceptable. The completed stockpile shall be neat and regular in form and shall be made to occupy the smallest feasible area.

(f) Site Finishing

(1) At the completion of operations in the pit, all areas disturbed by the Contractor shall be neat in appearance. The pit face shall have all overhanging material removed and be finished to approximately a 1-1/2 to 1 slope, unless otherwise directed by the Contracting Officer. The floor of the pit shall be sloped to drain away from the pit face, and in such a manner that water will not collect or pocket. Placement of oversized material or debris against a face of the pit which contains crushable material will not be allowed.

(2) Material placed in the Disposal Area shall not be placed against trees. The Disposal Area shall be covered with available suitable material and seeded as directed by the Contracting Officer. The completed Disposal Area shall be neat and natural in appearance and shall blend with the surrounding area.

(3) A minimum 10 foot wide cleared area shall be maintained along the top edge of the pit face.

(4) Area which the Contracting Officer determines contain no additional crushable material shall be finished to a minimum 3 to 1 slope upon completion of all crushing operations. Unsuitable material may be buried within the finished slopes when approved by the Contracting Officer. Any salvaged topsoil material shall be placed over these finished slopes as directed by the Contracting Officer.

(g) Seeding – Apply turf establishment to prepared ground or any disturbed area between May 15 and September 15. Apply turf establishment to the areas shown on the plans or worklists within 15 days after completion of ground disturbing activities. Seeded areas damaged by construction activities shall be reseeded within 10 days of the damage. Do not seed during windy weather or when the ground is excessively wet, frozen, or snow covered. Assure that all seed and mulch used in the work conforms to the weed free requirements. Ensure that the surface soil is in a roughened condition favorable for germination and growth.

Apply fertilizer having a chemical analysis as listed below by the following methods.

(a) Dry Method. Apply the fertilizer with approved mechanical equipment. Hand operated methods are satisfactory on areas inaccessible to mechanical equipment.

(b) Hydraulic method. Use hydraulic-type equipment capable of providing a uniform application using water as the carrying agent. Add fertilizer to the slurry and mix before adding seed. Add the tracer material when designated by the CO.

Fertilizer. Apply fertilizer at the rate of 200 pounds per acre. Insure that the fertilizer meets the following chemical analysis:

Nutrient

Percent Nitrogen, N 12%

Phosphorus, P205 12%

Potassium, K 12%

(1) Chequamegon-Nicolet Seeding Mixture:

Type of Seed

Live Seed (Lbs/Acre)

1. Buckwheat (50% by volume)

7 lb/acre

2. Canada Wild Rye (50% by volume)

7 lb/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.

(2) Ottawa Seeding Mixture:

SEEDING AND MULCHING SPECIFICATIONS:

a. Application Dry Method: The Seed Mixture shall be applied at the rate of 110 lbs./acre

b. Methods for Seed, Fertilizer and Limestone

Species Recommended % Mixture

a. Creeping Red Fescue 23%

b. Ladino Clover 9%

c. Alsike clover 23%

d. Annual Rye 45% (NO PERENNIAL RYE)

Apply Mulch within 8 hours after seeding by the following methods.

(a) Dry Method. Apply mulch with a hand spreader or a spreader utilizing forced air at a rate of 2500 pounds per acre.

(b) Hydraulic Method. Apply mulch in a separate application from the seed using hydraulic-type equipment.

Apply wood fiber or grass straw cellulose fiber mulch at a rate of 2500 pounds per acre.

Apply bonded fiber matrix hydraulic mulch at a minimum rate of 2500 pounds per acre.

Apply so no hole in the matrix is greater than 0.04 inches.

Apply so that no gaps exist between the matrix and the soil.

Inaccessible areas may be mulched by hand. Apply mulch uniformly over the entire disturbed area.

Protect and care for seeded areas until final acceptance.

MATERIALS

(a) Crushed aggregate shall be crushed stone, crushed slag, or crushed gravel which conforms to the quality requirements of AASHTO M-147. Material shall be relatively free from excess vegetation, soft or disintegrated particles, lumps or balls of clay, or other deleterious substances.

During crushing operations it may be necessary to ‘reject’ material of a select gradation in order to produce finished material to the specified gradation. The approximate quantity to be rejected will be estimated by the contractor and agreed to by the CO prior to continuing operations. Reject material will be produced by continuous operation of the crushing plant and be stockpiled in an area designated by the CO away from the finished crushed material to avoid contamination. Reject material will be paid for by the CY as pay item 4a – Reject Material.

(b) Gradation Requirements

(1) Gradations of each designated size of aggregate shall be obtained by crushing and blending processes as may be necessary, and shall conform to the percentages shown on the following page:

Grading Requirements for Soil Aggregate Materials Surfacing Gradation ‘U’

Mass Percent Passing Sieve Designation

3/4 inch

71-90(6) 3/8 inch

50-68(7) No. 4

34-51(6) No. 8

19-30(5) No. 40

5-15.0(4) No. 200 (the value in the parenthesis is the allowable deviation from the target value)

Subbase Gradation ‘A’

2-1/2 inch

97-100 2 inch

65-79(6) 1 inch

45-59(7) ½ inch

28-42(6)

9-17(4)

No. 40

4,0-8.0(3)

(the value in the parenthesis is the allowable deviation from the target value)

(Percentage by weight passing, tested in accordance with AASHTO T-27)

Gradation 'D'

70-98

¾ inch

36-60

25-47

No. 8

12-31

No. 30

4-15

Gradation 'F'

3 inch

65-95

28-70

10-35

4-15

(Percentage by weight passing, tested in accordance with AASHTO T-27)

Grading Requirements for Crushed Breaker Rock Breaker Rock Gradation ‘R’

4 inch

90-100 3-1/2 inch

25-60

2-1/2 inch

0-15

1-1/2 inch

0-5

(Percentage by weight passing, tested in accordance with AASHTO T-27)

Culvert Bedding Gradation

90-100 1-1/2 inch

95-75

80-40

45-15

½ inch

20-0

3/8 inch

(Percentage by weight passing, tested in accordance with AASHTO T-27)

Table 705-1

Gradation Requirements for Riprap

CLASS 1 (Modified)

% of Rock Equal or smaller by Count Range of intermediate dimensions (2) Range of Rock Mass (3)

(2) The intermediate dimension is the longest straight-line distance across the rock that is perpendicular to the rock’s longest face with the largest projection plane.

(3) Rock mass is based on a specific gravity of 2.65 and 85 percent of the cubic value as calculated using the intermediate dimension.

Riprap rock will be evaluated by visual acceptance and evaluation. (no sieve analysis required)

2) The gradation requirements represent the extreme limits which shall determine suitability of use from all sources of supply. Tests for aggregate gradation from one source shall be uniform and as near the midpoint of individual specification limits as possible.

(c) Filler or Binder - Additional filler or binder shall be added as needed to meet the gradation requirements or for satisfactory bonding of the material. Filler or binder shall be uniformly blended with the other material at the crushing plant.

(d) Quality Assurance

(1 ) The Contractor shall submit in writing a quality control plan with the following information: (a) The authorities and responsibilities of testing and inspection personnel,

(b) The experience and qualifications of inspection and testing personnel, (c) the name and location of any testing facility (for hire) to be used.

(2) Contractor shall obtain samples, perform quality assurance tests and submit original test reports to the Contracting Officer all in accordance with AASHTO T-27.

(3) Testing frequency shall be a minimum of 1 test per 1000 cubic yards processed. Additional sampling, testing, and reports may be required by the Contracting Officer to ensure that gradation of the crushed aggregate meets contract requirements.

(4) Testing shall not be considered a final acceptance and shall not preclude later sampling and testing after final processing of the material. Such testing shall not relieve the Contractor of the responsibility of providing quality control measures to ensure compliance with contract requirements.

(5) The first test for each pit location shall be taken within the first 200 cubic yards crushed at each pit. This test shall be processed immediately and the results shall be furnished to the Contracting Officer before the end of the second day of crushing OR before 1,000 cubic yards has been crushed, whichever comes first.

(6) Test results must be submitted to the Contracting Officer at timely intervals throughout the Contractor's operations. All test results shall be submitted before final payment for contract quantities will be processed.

INSPECTION PROCEDURE

(a) Inspection will be made as work progresses to insure compliance with contract items, conditions, and specifications. If any work is found unsatisfactory during on-site inspection, the unsatisfactory work will be reviewed with the Contractor by the Contracting Officer's Representative. The Contractor shall take prompt action to correct the deficiency at no additional cost to the Government.

METHOD OF MEASUREMENT

(a) Belt Scale

The crushing apparatus used by the Contractor must be equipped with a belt scale to measure output. The belt scale must meet the NIST handbook #44 specifications: and must be properly calibrated and certified for 2016 by the Wisconsin DOT.

(2) The Contractor shall not begin crushing operations until the Contracting Officer has verified the initial belt scale reading.

(3) Crushing operations shall not be completed until the Contracting Officer has verified the final belt scale reading.

(4) Any shortage in contract quantities shall be the responsibility of the Contractor and shall be corrected before payment is issued.

(5) Material crushed in excess of the contract amount becomes the property of the Government with no restitution to the Contractor.

PAYMENT

(a) The yardage of crushed aggregate, determined as provided above, shall be paid for at the contract unit price per cubic yard of material stockpiled. Yardage will be determined based on a unit weight of 3,000 pounds per cubic yard of material crushed. Price and payment shall constitute full compensation for furnishing labor and equipment, tools and supervision, performing required work, including all incidentals necessary to satisfactorily complete this contract in accordance with these specifications.

(b) One acceptable quality assurance test per 1,000 cubic yards of aggregate plus one test per site at 200 cubic yards, meeting gradation requirements, will be paid for at the contract unit price.

(c) Upon completion and acceptance of all pit development items including final shaping and final cleanup, the pit development and restoration will be paid for as a total Lump Sum (all associated work at each pit) at the contract unit price.

(d) Upon completion and acceptance of the work performed and receipt of the quality assurance test reports, the Contracting Officer will process the Contractor's invoice for payment.

***End of Document***