A04_Attachment_2_SOW_TFO_LCNCA-Aggregate_Final.pdf

Bureau of Land Management Tucson Field Office

Las Cienegas National Conservation Area (LCNCA) Road Aggregate Surfacing Material 7/22/2022

Statement of Work:

A. Background:

The Bureau of Land Management (BLM) is soliciting quotes for furnishing and delivering road surfacing material in the Las Cienegas National Conservation Area (LCNCA). The delivery site is on BLM managed land, along SR83 north of the Town of Sonoita, approximately 60 miles from Tucson, in Pima County, Southeastern Arizona.

B. Scope of Work:

Provide all labor, transportation, equipment, materials and supplies necessary to furnish and deliver approximately 2,230 tons of aggregate base course (ABC) material according to the schedule and requirements below.

C. Schedule:

Material: ABC 3/4"- 1" crushed rock aggregate, consisting of both fine and coarse, hard, durable crushed rock or stone fragments, well graded and mixed, free of topsoil, vegetation or other objectionable material, with the following gradation (according to standard testing method for sieve analysis, AASHTO T27, or ASTM C136).

Sieve Percent passing

(by weight)

1.0 in 10 3/4/ in 70-100 3/8/in 50-85 No. 4 35-65 No. 8 20-50 No. 50 15-30 No 200 8-15

Delivery: The material shall be delivered as required for use in a single or several, road maintenance projects to be scheduled between August 15, 2022, and August 14, 2023. Incremental deliveries of 2,230 tons of aggregate base will be required as defined below. Delivery will be on roads being maintained by a motor grader crew, and the material will be placed on the roadway for spreading by the road maintenance crew.

The delivery sites planned for the material are shown on the map on Figure 2. dates and quantity needed will be coordinated with the contractor at least one week in advance. The contractor shall provide a name and contact phone number for scheduling delivery.

BLM shall contact the responsible vendor within 3 days of a scheduled delivery. The vendor shall provide a contact name and phone number to arrange delivery for a specific quantity of aggregate. It is the responsibility of the BLM Contracting Officer Representative (COR) and the vendor to maintain knowledge of the quantities order against the total tonnage of 2,230. Order over this tonnage shall not be placed against this requirement.

D. Location:

The delivery sites are in the Las Cienegas National Conservation Area (LCNCA) at the Empire Ranch Headquarters and nearby designated project sites as shown on the attached maps. Access to the delivery sites may be from State Highway 83 north of the town of Sonoita between milepost 39 and 40, or from State Highway 82 east of Sonoita between milepost 35 and 36. The delivery sites are approximately 40 miles from the BLM Tucson Field Office, and approximately 60 minutes driving time.

The delivery sites are shown on the attached maps, and summarized below:

Item ID Delivery site Lat Long County

1 Ranch Headquarters 31.785191° -110.641989° Pima 2 Empire Gulch parking area 31.787555° -110.636089° Pima 3 Airstrip 31.789642° -110.632381° Pima 4 South Road parking area 31.703087° -110.592085° Santa Cruz

E. Government Furnished Property:

None.

F. Deliverables:

Delivery tickets with the date and quantity of material in tons delivered, and the delivery/trucking fee in hours. Certification the material delivered meets the requirements upon request.

G. Quality Assurance Plan:

The material will be inspected upon delivery. The Government reserves the right to test the material for conformance with requirements.

H. Payment:

Invoicing shall be submitted by the end of each month during which a delivery was made, with a a copy of the signed and accepted delivery ticket.

I. Submittals:

Bids will be reviewed according to the schedule below.

Contractor Submitting Bid:

Contact to arrange for delivery: ________________________________ Phone number: ____________________________

Bid Schedule:

Item ID Delivery site Tentative delivery dates

Qty Ton Bid Amount

1 Ranch Headquarters August 15 to September 2, 2022 710 2 Empire Gulch parking area September 6 to September 16, 2022 140 3 Airstrip September 19 to October 14, 2022 1060 4 South Road parking area October 17 to October 28, 2022 320

Total 2230

J. Coordination for Delivery shall be made with:

Name: Chris Chavez Title: Engineering Technician/PI Phone: 520-258-7270 Email: rchavez@blm.gov mailto:rchavez@blm.gov

Figure 1- Map- Location of Delivery Site

Figure 1- General Location Las Cienegas National Conservation Area

Figure 2- Aggregate material delivery sites

LCNCA Aggregate, Delivery Sites

Figure 3- Delivery Site #1, Empire Ranch headquarters

Figure 4- Delivery Site #2, Empire Gulch Parking area

Figure 5- Delivery Site #3, Airstrip

Figure 6- Delivery Site #4, South Road portal parking area.