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F--CERCLA removal action at Mojave NP

Awarded
140P2126Q0049Federal

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

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A firm-fixed-price contract has been awarded for a non-time-critical removal action under CERCLA at the Hidden Hill Mine site within the Mojave National Preserve in southern California, with performance centered on the southeast slope of the Providence Mountains at coordinates 34.80613° N, 115.545029° W. The contractor is responsible for excavating, removing, stockpiling, transporting, and disposing of contaminated materials, including non-RCRA hazardous waste, California hazardous waste, and non-hazardous waste, using licensed off-site disposal facilities. All work must occur within a 400-calendar-day period following the Notice to Proceed, with field activities strictly limited to November 30 through March 1 to protect desert tortoise habitat and avoid extreme heat, and mobilization cannot begin before January 4, 2027. Access to the site is via Kelbaker Road and Hidden Hill Road, requiring four-wheel drive and high-clearance vehicles. The work is governed by the Statement of Work, Non-Time-Critical Removal Action Work Plan, and Engineering Evaluation/Cost Analysis, and must comply with NPS ecological screening values, California HAZ certification, EPA sample preservation protocols, and Section 508 accessibility standards. Sampling requires precise chain-of-custody documentation, with all containers labeled with date, time, sample ID, analyses, and matrix, and shipped using Pace containers with intact custody seals and tracking numbers; soils must be frozen within 48 hours unless exempted. The contractor must provide key personnel with current HAZWOPER certification and a California Professional Engineer or Geologist license with 15 years of experience, while all field staff must wear identifiable uniforms or badges. Compliance with the Davis-Bacon Act is required under wage determination CA20260026, and all archaeological findings are federal property requiring immediate work stoppage and notification. Options for additional services—such as collecting confirmation samples, performing archaeological monitoring, or removing hazardous and non-hazardous waste—are available at the government’s discretion and may be exercised unilaterally. The contracting officer, Sarah Welch, and contracting officer’s representative, Jenny Phillippe PG, retain full authority for inspection, acceptance, and approval of all deliverables, including final reports submitted electronically, with final acceptance contingent upon meeting Removal Action Objectives and NPS approval. Technical evaluation prioritizes relevant prior experience in similar CERCLA removal actions, past performance, proposed schedule feasibility, and key personnel

General Info

Environmental cleanup at Hidden Hill Mine; reserved for Indian Small Business; firm-fixed-price contract.

Contract Value

$259,157.5

NAICS

562910 - Remediation Services

Place of Performance

CO, USA

Set-Aside

NONE

Award Issued Date

Documents

11

Amendment 0001 to Solicitation 140P2126Q0049 for CERCLA Removal Action

PDF, High priority: read this firstamendment
High

Attachment 5: Clarifications to Solicitation #140P2126Q0049

PDF, High priority: read this firstclarifications
High

Attachment_1_Statement_of_Work__Hidden_Hill_Mine_NTCRA.pdf

PDF

Attachment_2_MOJA_Hidden_Hills_NTCRAWP.pdf

PDF

Attachment_3_MOJA_Hidden_Hill_mine_EECA_3-7-17.pdf

PDF

Attachment_4_Wage_Determination_CA20260026_1-23-26.pdf

PDF

RFQ_Form_6_-_FAR_representations.docx

DOCX

RFQ_Form_7_-_Relevant_Experience.docx

DOCX

RFQ_Form_8_-_General_References.docx

DOCX

RFQ_Forms_2_through_5_-140P2126Q0049.xlsx

XLSX

Sol_140P2126Q0049.pdf

PDF

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Timeline

1 update
PhaseAwarded
Posted

Presolicitation

Type Changed

Presolicitation → Solicitation

Notice updated

The notice title changed. The notice description changed. The point of contact changed.

Awarded

Contract was awarded

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Organization & Contact Information

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AgencyDepartment Of The Interior → Washington Contracting Office
Contacts1 person available
OfficeLAKEWOOD, CO, 80225, USA
Office AddressLAKEWOOD, CO, 80225, USA

Full Description

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This is a pre-solicitation and "save the date" notice for a Non-Time Critical Removal Action (NTCRA) under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) at the Hidden Hill Mine contaminated site within Mojave National Preserve (MOJA). This is not the full solicitation; quotations are not requested at this time. The acquisition is set-aside for Indian Small Business Economic Enterprises (ISBEEs) in accordance with Department of the Interior Acquisition Regulation (DIAR) 1480.

SITE VISIT: A group site visit is scheduled at 10:00 am on 4/9/26. Pertinent details will be provided in Section L of the solicitation, which will be posted at www.SAM.gov on or before 3/27/26. Attendance at the site visit is strongly encouraged (not mandatory). Requests for individual site visits will not be honored.

DESCRIPTION: The site is a relatively small and remote abandoned mine located on approximately five acres and is at an elevation of approximately 3,400 feet above sea level. The work includes removing approximately 69 CY of comingled tailings and potentially affected underlying material (assuming a thickness of approximately one foot) that are distributed over an area of approximately 1,850 sf. Including any ancillary soils which may become commingled during excavation activities, approximately 100 CY (conservative estimate, includes underlying/commingling) are estimated for the purpose of this Removal Action. Applying a conversion factor of 1.5 tons per cubic yard, NPS estimates 150 tons of material will be excavated, transported, and disposed in the removal action (RA). The work also includes preparation of post-award plans (Site Health and Safety Plan (SHASP), Under-an-Acre Pollution Prevention Plan (UPPP), Traffic Control Plan (TCP), Hazardous Material Spill Plan (HMSP), and Confirmatory and Waste Sampling and Analysis Plan (SAP)), characterizing the material, transporting it to appropriate disposal facility/ies, collecting and analyzing confirmation samples, and preparing a Response Action Completion Report (RACR). The estimated removal quantities are based on previous site investigations. The firm fixed price contract will use a combination of lump sum and unit-priced items subject to the variation in quantity clause in conjunction with an established ceiling and notification requirements. Additional details will be provided in the documents to be posted with the solicitation. A payment bond (100%), performance bond (100%), and liability insurance will be required prior to contract performance.

PROJECT LOCATION: The Site is located on the southeast slope of the Providence Mountains in the southern portion of MOJA; geographic coordinates are 34.80613 degrees north latitude and 115.545029 degrees west longitude. Maps and information about the park are at www.nps.gov/MOJA.

DETAILS: This procurement will cite clauses and provisions from both the codified Federal Acquisition Regulation (FAR) and the Revolutionary Federal Acquisition Regulation Overhaul (RFO); RFO will be cited only for parts whose deviations have been adopted by the Department of the Interior. It will be conducted under FAR 13 procedures. The prime contractor shall not subcontract more than the subcontract limitations specified in RFO clause 52.219-14 to other than similarly situated concerns. For this purpose, work to be performed falls in the category "services". The NAICS code for this project is 562910, Remediation and cleanup of contaminated buildings, mine sites, soil, or ground water, and the small business size standard is 1,000 employees. All work will be performed under a single firm-fixed-price contract subject to the Wage Rate Requirements (Construction), formerly known as the Davis-Bacon Act. The estimated magnitude of this project is below the Simplified Acquisition Threshold ($350,000).

The RFQ and future amendments will be posted in the Contracting Opportunities section of SAM (https://sam.gov/content/opportunities). Quotes will be due approximately 30 days after the RFQ is posted; specifically, they will be due by the date and time specified in Block 13 of the Standard Form 1442 or in the most recent amendment (SF30). Offerors will submit their quotes by email per instructions included in the solicitation. The government will consider each company's technical capability in comparison to its price and award to the firm whose quote represents the best value.

Prospective quoters must visit SAM.gov periodically to check for amendments and other changes to the contract documents; no other notifications will be sent nor will hard copies of the solicitation be mailed or issued. All eligible responsible sources may submit a quote which shall be considered by the National Park Service, however quoters who have not established and/or maintained an active registration at www.SAM.gov prior to the offer due date and time will be considered either ineligible or non-responsive and will not be considered for award.

It is the policy of the Government to provide maximum practicable opportunities in its acquisitions to small business, veteran-owned small business, service-disabled veteran-owned small business, HUBZone small business, small disadvantaged business, Indian Small Business Economic Enterprises, and women-owned small business concerns. Such concerns must also have the maximum practicable opportunity to participate as subcontractors in the contracts awarded by any executive agency, consistent with efficient contract performance. All quoters are strongly encouraged to contact their local Small Business Administration office, to post their need for qualified subcontractors on SUB-Net accessed at https://connect.sba.gov, and to utilize the Small Business Administration (SBA) Dynamic Small Business Search (https://dsbs.sba.gov/search/dsp_dsbs.cfm) for potential subcontractors within these various socio-economic categories.

The Government reserves the right to cancel this solicitation, either before or after the closing date. In the event the Government cancels this solicitation, the Government has no obligation to reimburse a quoter for any costs.

Construction Contract Administration: Revolutionary Federal Acquisition Regulation Overhaul (RFO) 36.101-4 requires agencies provide description of policies and procedures that apply to definitization of equitable adjustments for change orders under construction contracts and data on the time required to definitize equitable adjustments for change orders under construction contracts. This information can be found at: https://www.doi.gov/pam/acquisition/policy/constructioncontract.

For more information, contact the Contracting Officer at contact@example.gov.

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