140R3025Q0050_-_Statement_of_Work_0004.pdf

Solicitation No. 140R3025Q0050

Statement of Work -Yuma Area Office Stockpiling Road Base Material and 4” Minus Materials

1. Scope of Work

The work to be performed under this contract consists of the purchase, delivery, and stockpiling of Aggregate Base Course (ABC) material into designated Bureau of Reclamation stockpile sites along the Colorado River. The contractor is required to provide certified weight tickets for each delivery at the time of delivery, detailing the weight of the material.

2. Period of Performance

Work must be completed within 320 calendar days from the date of the notice of award. The Contractor is required to submit a detailed delivery schedule within one week of receiving the award notice. Deliveries should commence at stockpile site A-174.3, particularly if the Contractor intends to deliver to one site at a time. Delivery of ABC and 4” Minus materials to stockpile site A-174.3 must occur by October 31, 2025.

3. Location of Work

Yuma Division:

Stockpile Site A13.5: Located approximately 0.25 mile south of the intersection of West County 15th Street and Salinity Canal in Yuma, Arizona (Reclamation Withdrawn Land).

GPS coordinates: 32°36'27.52"N, 114°47'24.08"W. Estimated Quantity of 11,000 tons of Road Base Material.

Stockpile Site A34.1: Located approximately 0.75 mile north of the intersection of US Route 95 and South Avenue 4 ½ E in Yuma, Arizona (Reclamation Withdrawn Land).

GPS coordinates: 32°42'41.54"N, 114°33'14.73"W. Estimated Quantity of 11,000 tons of Road Base Material.

Cibola Division:

Stockpile Site C104.0: Located approximately 0.25 mile north of River Road Bridge in Palo Verde, California (Reclamation Withdrawn Land). GPS coordinates: 33°24'54.94"N, 114°39'32.49"W. Estimated Quantity of 10,000 tons of Road Base Material.

Parker Division:

Stockpile Site C139.9: located approximately 17 miles north of Blythe, CA along US- 95N (Colorado River Indian Tribe Land). GPS coordinates: 33°48'56.44"N, 114°31'52.29"W. Estimated Quantity of 10,000 tons of Road Base Material.

Stockpile Site C151.8: Located approximately 0.75 mile north of Water Wheel Resort on US 95 in Blythe, California (Reclamation Withdrawn Land). GPS coordinates:

33°55'46.42"N, 114°32'31.23"W. Estimated Quantity of 10,000 tons of Road Base Material.

Stockpile Site C156.8: Located in Parker, Arizona (Colorado River Indian Tribe Land).

GPS coordinates: 33°58'43.80"N, 114°28'48.18"W. Estimated Quantity of 10,000 tons of Road Base Material.

Stockpile Site C162.5: Located approximately 0.85 mile south of Colorado River Road Bridge on 15th Avenue in Parker, Arizona (Colorado River Indian Tribe Land). GPS coordinates: 34° 1'48.78"N, 114°26'3.65"W. Estimated Quantity of 10,000 tons of Road Base Material.

Stockpile Site A-174.3: (known as CRIT Rodeo Grounds stockpile) Located approximately 2 miles southwest of Parker, Arizona. (Colorado River Indian Tribe Land).

GPS coordinates: 34° 8'7.74"N, 114°19'7.63"W. Estimated Quantity of 17,000 tons of Road Base Material and 1,000 tons of 4” minus material.

Mohave Division:

Stockpile Site C248.7: Located approximately 0.10 miles west of the intersection of West Park Road and Needles Highway in Needles, California (BLM-administered land).

GPS coordinates: 34°52'34.39"N, 114°38'43.12"W. Estimated Quantity of 10,000 tons of Road Base Material.

Stockpile Site C253.8: Located approximately 2.75 miles along River Road from the intersection of Needles Highway and River Road in Needles, California (Fort Mojave Indian Reservation). GPS coordinates: 34°57'1.31"N, 114°37'57.07"W. Estimated Quantity of 10,000 tons of Road Base Material.

4. Conduct of Operations

Deliveries are permitted only between the hours of 7 a.m. to 4 p.m., Monday through Friday. No deliveries shall occur outside of these hours or on federal holidays unless prior written approval is obtained from the Contracting Officer (CO). Contractor to submit requests for work outside of the stated normal business hours to the CO and Contracting Officer Representative (COR) for approval at least 48 hours in advance of the work. The specific day that each holiday is recognized for each year can be found at the following site: Federal Holidays (opm.gov).

The contractor is responsible for ensuring that effective dust control measures are implemented and maintained to minimize dust emissions and comply with all applicable local, state, and federal regulations.

5. Gradation Requirements

The purchased Aggregate Base Course material shall meet the requirements of the gradation given in Table 1 when tested per ATM 304. The gradation shall be well graded from coarse to fine and shall not vary from the lower limit on one sieve to the high limit on an adjacent sieve or vice versa. Sieves shall conform to ASTM E 11 (2024). Prior to delivery, the Contractor is required to provide verification that the material complies with the specified gradation standards.

Table 1 –Requirements for Gradation of Aggregates

SIEVE DESIGNATION PERCENTAGE PASSING BY WT.

1 ¼ In. 100

1 In. 60 – 100

½ In. 30 – 65

No. 4 20 – 50

No. 10 15 – 40

No. 40 5 – 25

No. 200 0 – 8

The purchased 4-inch minus material must adhere to the following specifications: the size of the material should range from a maximum of 4 inches to a minimum of 1 inch. It must be free from organic matter, clay lumps, soft rock, and any other harmful substances. Additionally, the material shall be graded according to the requirements outlined in Table 2, based on weight as determined through laboratory sieves. Prior to delivery, the Contractor is required to provide verification that the material complies with the specified gradation standards.

Table 2 – Gradation Requirements for 4” minus, 1,000 tons

SIEVE DESIGNATION

PERCENTAGE

PASSING BY WT.

4-inch square mesh 100

2-inch square mesh 15 to 50

1-inch square mesh 12 to 20

6. Stockpile Requirements

The location for gravel stockpiling shall be designated by the Contracting Officer Representative (COR). All work related to stockpiling operations must be conducted within this designated area to ensure compliance with project specifications.

Materials shall be stockpiled in a manner that maximizes compaction, with an average uniform height of 12 feet and without observable peaks or valleys. This practice is essential to maintain the integrity and stability of the stockpile.

Hauling equipment shall be directed to traverse the entire area of each layer of the stockpile prior to the addition of subsequent layers. This procedure is critical to achieving uniform compaction and ensuring the overall quality of the stockpiled material.

7. Submittals

The following items must be submitted to the Contract Specialist (CS) for approval by the Contracting Officer (CO):

a. Scale Certification and Calibration: Certification of the weighing scales used for deliveries.

b. Weigh Tickets: Submit weigh tickets weekly. Weigh tickets must clearly indicate the type of material on the truck, the location where the truck was weighed, and the final destination of the truck. Each ticket must show the tare weight of the truck, loaded weight of the truck, and the weight of the material being transported.

c. Equipment Proposed for Use: A list of all equipment intended for use in the delivery and stockpiling process.

d. List of Key Personnel: Include names and relevant qualifications of key personnel involved in the project, along with certifications for Heavy Equipment Operators.

e. List of Subcontractors: Provide names and certifications for Heavy Equipment Operators employed by subcontractors.