Attach2.1240LU26Q0020SOI&SOW.pdf

1240LU26Q0020, Attachment 2 Riley Pass Bluff B Mine Waste Excavation Project

Custer Gallatin NF

ATTACHMENT 2

Schedule of Items/Price Schedule 2026 Bluff B Mine Waste Excavation Project, Riley Pass Uranium Mine Sites

Sioux Ranger District, Custer Gallatin National Forest Harding County, South Dakota

Item No. Description Unit Estimated Quantity Unit Price TOTAL

15101 Mobilization LS All XXXXXX $

15201 Construction Surveying and Staking LS All XXXXXX $

15702* Erosion Control, Straw Wattles LF 2,000 $ $

15801 Watering for Dust Control 1000 gal 500 $ $

20403* Channel Borrow, Placement Method 2 CY 5,850 $ $

20404* Spring Borrow, 2" Open Graded Aggregate, Placement Method 5 CY 200 $ $

20405 Low Water Crossing Sediment Removal LS ALL XXXXXX $

20613 Mine Waste Excavation and Embankment, Compaction Method D (Side Slope) CY 225,000 $ $

20615 Mine Waste Excavation and Embankment, Compaction Method D (Proposed Area 2) CY 85,000 $ $

21201* Linear Grading Mile 0.5 $ $

30201* Aggregate Surfacing Course Type Scoria, Method A CY 600 $ $

30301* Roadway Reconditioning Mile 10 $ $

62501* Seeding Hydraulic Method with Mulch Acre 67 $ $

71401* Separation Geotextile Nonwoven Class 1, Type A SY 267 $ $

TOTAL $

Price quotation furnished by:

Name Phone ( )

Address E-mail

UEI # _______________________

Schedule Notes:

a) The Government intends to make one award from this solicitation. Therefore, to be considered responsive, contractors must submit pricing for all items.

b) Payment for bond premiums, or any costs associated with irrevocable letters of credit, in accordance with Clause 52.232-5, Payments Under Fixed-Price Contracts, shall not be in addition to the contract price. Include bond payments under Pay Item 15101 Mobilization.

c) CY – Cubic Yard; LF – Linear Foot; LS – Lump Sum Quantities

d) * Denotes Contract Quantity Items

DESCRIPTION/SPECIFICATIONS

Scope of Contract

(a) Intent of Contract. The intent of the contract is to provide for the construction and completion of the work described. The precise details of performing the work are not stipulated, except as considered essential for successful completion of the work. The Contractor must furnish all labor, materials, equipment/tools, transportation, supervision, testing and supplies necessary to complete the work according to the contract.

(b) Description of Work. The work shall be performed on Bluff B, which involves excavating historic mine wastes at various locations on Bluff B, placing and compacting the mine wastes in consolidation areas. Bluff B work includes, but is not limited to, the following:

• Mobilization, demobilization, bonding, and insurance

• Construction surveying and staking

• Erosion control

• Water for dust control1

• Channel borrow excavation, hauling and placement

• Excavating, loading, hauling, placing, and compacting mine waste2

• Spring drain installation

• Sediment removal

• Road clearing, compaction, scoria placement.

• Road blading

• Seeding

1. Contractor is responsible for supplying water. A water source is not available from the Government. Identify water source in response documents.

2. Mine waste removal will be from slopes at angle of repose. Access to mine waste will be from the top of slopes.

Project Information

(a) Project Location. The Riley Pass 2026 Bluff B Reclamation Project Site (Project Site) is located in the North Cave Hills land unit of the Custer-Gallatin National Forest (CGNF) in Harding County, South Dakota.

The Project Site is approximately 100 miles north of Belle Fourche, South Dakota, 25 miles north of Buffalo, South Dakota, and 30 miles south of Bowman, North Dakota. The nearest town is Ludlow, South Dakota, which is approximately 5 miles east of the Riley Pass project site. The Project Site can be accessed by turning west off U.S. Highway 85 onto Tufte Road, 2 miles north of Ludlow; then turning left on South Cave Hill Road, which turns into FSR #3120 at the National Forest boundary.

The Project Site is situated on National Forest System (NFS) land managed by the United States Department of Agriculture, Forest Service (USFS), Custer Gallatin National Forest.

(b) Project Magnitude. The project magnitude is estimated to be between $1,000,000 and $5,000,000.

(c) Period of Performance. The contractor may begin work as soon as contract is awarded and after receipt of bonds and issuance of notice to proceed. All work other than seeding shall be completed by July 1, 2026. Seeding shall occur prior to June 15, 2026 or between September 15, 2026 and October 15, 2026 or as approved by the Contracting Officer.

(d) Site Visit. No formal site visit is scheduled but contractor is encouraged and expected to visit the site before submitting a quote.

(e) Government Provided Facilities. Riley Pass Office Site Pad and electric hookup are available, at no cost to the Contractor, for an office trailer.

(f) Utility Locates. The Contractor is responsible for location of all underground utilities prior to ground disturbance on National Forest Service Lands. Damaged utilities shall be repaired at the Contractor’s expense. The Contractor shall contact South Dakota One Call (800-781-7474) prior to any ground disturbance. At no point shall utilities be shut down without prior approval from the Contracting Officer (CO).

(g) Use of Premises. Contractor shall confine equipment, storage of materials, and construction operations to the areas approved by the Contracting Officer. Only authorized personnel are allowed to be onsite during construction activities. Contractor shall not unreasonably encumber the site, or public rights-of-way, with materials and/or construction equipment.

Should Contractor deem it necessary to work outside of the general construction areas shown, the Contractor shall obtain written approval from the Contracting Officer. Camping will not be permitted in the project area without written authorization from the Contracting Officer.

The Contractor shall utilize staging area(s) as shown on the Plans. Access must be maintained to other facilities on the Project Site. The Contractor shall operate all equipment and store, transport, and handle material in a manner that will not damage existing infrastructure.

Site security is the responsibility of the Contractor. The Contractor shall be responsible for protecting all equipment and supplies for the use on the project and store at the Project Site.

The Contractor shall be responsible for all costs required to provide such protection.

Contractor is responsible for obtaining a site access key from USFS CGNF. Such key shall be returned to USFS CGNF prior to final payment. During times when the Contractor is onsite, the Contractor shall leave the gates open, per the direction of the Contracting Officer. During times when the Contractor is not at the site, the Contractor will close and lock the gates, per the direction of the Contracting Officer. Contractor shall carefully coordinate with others who may be on the site regarding the locking of the gate.

The Contractor shall be responsible for solid waste disposal. The Contractor shall, at all times, keep the Project Site in a clean, neat, and orderly condition. Construction-related debris, including, but not limited to, used motor oil, oil cans, grease cartridges, and refuse shall be removed promptly from the site and disposed of in a lawful manner off National Forest System lands. The Contractor shall pay for all landfill or transfer station fees.

(h) Sanitation, Health and Safety.

(1) The Contractor shall observe rules and regulations of Federal, State, and local health officials. Contractor shall not permit any worker to work in surroundings or under conditions that are unsanitary, hazardous, or dangerous.

(2) The Contractor shall provide and maintain portable sanitation toilet facilities for the project. Contractor shall set up the facilities, maintain them during construction, and dismantle them at the end of the project.

(3) Mine waste, spoils, native spoils, and aggregate surfacing on roads may contain hazardous materials that may pose a threat to human health.

This work requires handling of mine wastes that may present an imminent and substantial endangerment to human health and the environment. These conditions meet the criteria for initiating a Removal Action under 40 CFR Section 300.415(b)(2) of the National Contingency Plan (NCP).

The following are the highest concentrations of key analytes measured in waste materials at the Riley Pass Uranium Mine Site:

Analyte Arseni c

Radium

Gamm a

Molybdenu m

Uranium

Uranium

Uraniu m

Unit mg/kg pCi/g µR/hr mg/kg pCi/g pCi/g pCi/g Highest Concentratio

2,953 3,699 1,054 6,134 1,425 65.6 1,425

Sources: Final Waste Characterization Evaluation Report, Riley Pass Uranium Mines Site (North Cave Hills), Harding County, South Dakota, dated November 18, 2015, by Tetra Tech and Survey of Topsoil Borrow Resources for Riley Pass A&E Services

– Abandoned Mine Reclamation, Riley Pass Mining Area, AG-0355-D-12-0021, dated December 2013 by Tetra Tech.

“Mine waste” is defined as native material that has been generated, transported, or reworked during mining activities, which may exhibit arsenic, radium-226, molybdenum, Uranium 238, Uranium 235, and/or Uranium 234 concentrations exceeding cleanup requirements that have been established for the removal action.

Cleanup requirements for the Project Site will apply to mine waste with one or more of the following characteristics:

• Arsenic > 142 mg/kg

• Radium-226 > 30 pCi/g

The Contractor shall exercise caution while working with these materials to minimize exposure to workers. The Contractor shall take measures to mitigate the risk of exposure to airborne dusts. All dust emissions will be kept to a minimum.

Emphasis shall be added during onsite safety meetings, with respect to mitigating potential contaminant exposure through inhalation, ingestion, and/or skin contact.

(4) The Contractor shall comply with the OSHA regulations for hazardous waste sites (29 CFR 1910.120). Due to the presence of hazardous materials on the project, the Contractor’s personnel working on the site are required to have completed OSHA 40-hour HAZWOPER training and subsequent refresher training to be eligible to work on this project. All subcontractors, including but not limited to, surveyors, revegetation personnel, etc., shall have completed HAZWOPER training. Before work commences, the Contractor shall prepare and submit a list of qualified personnel and their certifications and ensure that all personnel at the site follow the requirements of the Contractor’s required Site Health and Safety Plan (FAR 52.236- 13 Alt 1). The Contractor shall provide written documentation (certificates) that all onsite personnel engaged in the work have received the OSHA 40-hour HAZWOPER Training required under 29 CFR 1910.120.

Government-Furnished Property

Channel borrow is available on National Forest System Land at the designated location.

Submittals

The Contractor shall submit to the Contracting Officer the following plans at least fourteen (14) days prior to beginning work. A draft Quality Control plan shall be submitted three (3) days in advance of the post award orientation (pre-work) meeting. In addition, the Contractor shall supply the Contracting Officer all required submittals for each bid item at least fourteen (14) days prior to commencing work on the corresponding item. All submittals shall be reviewed and approved by the Contracting Officer.

(a) Construction Schedule (S-001). The Contractor shall prepare a detailed construction schedule that outlines the sequence of work, duration of each work item, and specifies key construction milestones. The schedule shall allow time for surveying, inspection, and field testing of work by the Government or its engineer. An annotated bar, or Gantt-type schedule, will be acceptable for purposes of this deliverable. The schedule shall be revised and submitted within 72 hours if the work is determined to be a minimum of two (2) weeks behind schedule.

The schedule shall also address the following:

(1) Potential conflicts and coordination with other work in the area,

(2) Contingencies for sequence of work.

(b) Health and Safety Plan (S-002). The Contractor shall submit to the Contracting Officer a Health and Safety Plan before work commences. Minimum items to be included in the safety plan are:

(1) Project Description

(2) Authority, Roles, and Responsibilities

(3) Proposed Competent Person and Qualifications

(4) Lines of Communication/Communication System

(5) Hazard Identification and Control

(6) Evacuation Plan/Direction to Nearest Hospital

(7) Proposed Equipment

(8) Proposed Trenching and Excavation Safety Measures including Competent

Person and Qualifications (if any)

(9) Proposed Personnel Protective Equipment (PPE)

(10) First Aid Station

(11) Employee Training (40-hour HAZWOPER with 8-hour refresher a minimum)

In accordance with OSHA (29 CFR 1926), the Contractor is responsible for the safety of all work activities at the site and shall ensure that proper safety requirements are followed.

(c) Erosion Control Plan (S-003). The Contractor shall submit an Erosion Control Plan (ECP) for construction activities associated with this project. The plan shall be written in accordance with the South Dakota Department of Transportation Construction Field Manual, Construction Site Management and Erosion and Sediment Control and the U.S.

Environmental Protection Agency’s Storm Water Management for Construction Activities:

Developing Pollution Prevention Plans and Best Management Practices, October 2011. The Contractor shall include in the ECP the measures that will be taken for controlling precipitation and stormwater run-on and run-off at the Project Site. The submitted plan is expected to be specific to the Project Site and shall detail locations and types of best management practices (BMPs) that will be used during construction.

(d) Quality Control Plan (S-004). The Contractor shall provide quality control to assure that construction complies with the requirements of the project specifications, contract provisions, and contract plans. A draft Quality Control plan shall be submitted three (3) days in advance of the post award orientation (pre-work) meeting. The Contracting Officer will be responsible for quality assurance in the form of receiving and reviewing all quality control documentation as provided by the Contractor, including construction oversight and any testing or additional testing as deemed necessary by the Contracting Officer. Submit all soil lab testing data to the Contracting Officer at least five (5) days prior to the use of the material. Submit all field test data weekly.

(e) Temporary Haul Road Plan (S-005). Show locations of temporary construction roads and drainage crossings (if necessary), road widths, turnouts, and any proposed road surfacing. If any proposed disturbances are outside of the disturbance boundaries, cultural clearances would be required, and additional time would be needed for review and approval. Temporary haul roads shall be removed and reclaimed following the completion of the project. Haul road reclamation will require topsoil and seeding.

(f) Other Submittals. Other submittals may be necessary according to the specifications and contract provisions. The Contractor is responsible for identifying all required submittals.

The following is a listing of other submittals required under this contract. This list summarizes the requirements shown under each work item; however, the list may not be all-inclusive.

Item No. Submittal

Schedule of Items – Actual Quantity Items

Contractor’s Survey Results for Verification of Quantities, including source files, csv point file, surface files, copies of survey field notes, and copies of calculations and survey error reports showing conformance to the tolerance requirements in Table 152-1.

Forest Service Supplemental Specification – Section 107.10 Spill Prevention Plan.

Forest Service Supplemental Specification – Section 151

Location and methods for cleaning equipment prior to mobilization and demobilization.

Forest Service Supplemental Specification – Section 152

Copies of all Control Data & Surveys in electronic format (CADD), general surveying methods and equipment, source survey files, csv point files, and copies of field survey notes and calculations.

Staging and Storage Areas

Areas for staging operations and storage of materials shall be approved by the Contracting Officer. The Contractor must request approval in writing from the Contracting Officer to stage/house material and equipment onsite. Fueling areas will be situated at least 150 feet from any normal high-water mark.

Standard Specifications

"Standard Specifications for Construction of Roads & Bridges of Federal Highway Projects" (FP-14, U.S. Customary Units) are included in this solicitation by reference only. The requirements contained in these Specifications are hereby made a part of this solicitation and any resultant contract.

Copies are available electronically on the U.S. Department Of Transportation Federal Highways Administration website at https://flh.fhwa.dot.gov/resources/specs/.