REQUEST FOR PROPOSAL (RFP)

RFP #P26-13

Prospect Energy 50 - Orphaned Wells Plugging & Decommissioning Project

1. GENERAL INSTRUCTIONS FOR PROPOSERS:

1.1 Artificial Intelligence (AI) Disclosure:

Portions of this solicitation may have been prepared or modified with the assistance of Artificial Intelligence (AI) technologies. All such content has been reviewed, verified, and approved for accuracy and compliance by the Purchasing Agent prior to issuance.

RFP SUMMARY:

To enter into an agreement with an oil and gas operator who will cap 50 orphan oil wells in Larimer County.

PRE-PROPOSAL MEETING: August 27, 2026 @ 10:00 AM (MT)

A Pre-Proposal Conference will be held via ZOOM

Join Zoom Meeting https://larimer-org.zoom.us/j/94585037673?pwd=DE94LoRuk4DXqaEt7NLabYEKbNCNpo.1 Meeting ID: 945 8503 7673 Passcode: 542047

Representatives of Larimer County will be present to discuss the project and answer questions.

Respondents are requested (not required) to attend and participate in the conference. Vendors should read the entire RFP document prior to the meeting.

Respondents are requested (not required) to attend and participate in the conference. Vendors should read the entire RFP document prior to the Pre-Proposal Meeting.

QUESTION DEADLINE: September 2, 2026 @ 10:00 a.m. (MT)

All questions regarding this solicitation must be emailed to the Contact Person identified below. If you do not receive a confirmation email of receipt, please call the Contact Person to verify receipt of your questions. No questions will be accepted after the date and time referenced above. All questions received will be answered via Addendum only.

DEADLINE FOR SUBMITTALS: September 14, 2026 @ 2:00 p.m. (MT) The Board of Larimer County Commissioners will only be accepting proposals electronically submitted via the Rocky Mountain E-Purchasing System (BidNet, BidNet Direct) portal, up to the date and time referenced above, at which time they will be recorded, but not publicly opened on behalf of the Community Development Department.

BIDNET PORTAL / RFP OFFICIAL WEBSITE:

To submit your proposal and view official solicitation documents and addenda only available on the BidNet portal, use the following link: https://www.bidnetdirect.com/colorado/larimer-county/

CONTACT PERSON:

Purchasing Agent Les Brown, brownxld@co.larimer.co.us, 970-498-5954

NOTE: Unauthorized contact with a County employee other than the Contact Person listed above or Purchasing Manager regarding this RFP may result in disqualification of your Proposal.

https://larimer-org.zoom.us/j/94585037673?pwd=DE94LoRuk4DXqaEt7NLabYEKbNCNpo.1 https://www.bidnetdirect.com/colorado/larimer-county/

1.2 Cooperative Use

Other governmental entities may piggyback on the award of this solicitation, assuming the award vendor is amenable, and should contact Larimer County Purchasing for any necessary procurement documents. The entity will deal directly with the award vendor concerning the placement of Purchase Orders, freight charges, contracting and disputes, invoicing, and payment. Larimer County will not be held liable or responsible for any liability, claims, costs, damages, demands, actions, losses, judgments or expenses incurred by the vendor or any government entity relating to such use.

1.3 Equal Opportunity Employer (EEO) / Disadvantaged Business Opportunities:

Larimer County, in accordance with Federal and State laws, is an Equal Opportunity Employer and does not discriminate. Larimer County strongly encourages the use of small and minority firms, women's business enterprises, and labor surplus area firm services.

Larimer County hereby notifies all Proposers they will be afforded full and fair opportunity to submit a Proposal in response to this RFP and they will not be discriminated against on the basis of age 40 and over, race, sex (including pregnancy), color, religion, national origin, disability, genetic information, sexual orientation, gender identity, gender expression, military or veteran status, or any other applicable status protected by Federal, State, or local law in consideration for award.

1.4 Payment:

Payment for work performed or goods sold to Larimer County can be expected within 30 days after receipt of the invoice and satisfactory acceptance by the Department receiving the service or goods (unless otherwise stated and agreed to by County).

1.5 Proposal Consideration:

Larimer County reserves the right to reject any and or all proposals, to further negotiate with any and/or all qualified proposers and to waive informalities and irregularities in proposals received, and to accept any portion of the proposal if deemed to be in the best interest of Larimer County to do so. If, in the sole judgment of the Board of County Commissioners, the proposals are substantially equal, the Board may grant the contract to companies located in Larimer County, however this is not applicable in the case that Federal funds are used.

1.6 Proposal Preparation:

Proposers will not be compensated for generating, producing, or duplicating any proposal materials associated with this RFP. Proposals must be furnished exclusive of any Federal, State, or Local taxes; Larimer County is tax exempt.

1.7 Proposal Submission:

Proposers must be registered with BidNet in order to submit a proposal; registration is free. Larimer County strongly recommends proposers register well in advance of the submittal deadline to ensure they have adequate time to upload and submit their proposal.

It is the sole responsibility of the Proposer to ensure all required Proposal documents are submitted through BidNet by the submission deadline. Proposals will be time-stamped by BidNet upon receipt; BidNet does not allow for uploading or submitting Proposal documents after the Proposal submittals deadline has passed, so allow adequate time to upload and submit your Proposal prior to the deadline. Larimer County will not accept uploads that are “saved” but not “submitted”. To verify that a Proposal has been submitted successfully, Proposers may contact BidNet Support, or verify, via the Proposal Management tab in the Proposer’s account, that the documents are not in “Draft” status.

Proposers are required to submit one (1) non-redacted proposal. All parts of the proposal should be combined and submitted as one (1) single .pdf file; proposals comprised of multiple separate files are not acceptable and your proposal may be rejected.

By submitting a proposal, the proposer agrees they may not rescind their proposal on or after the closing date and time identified in the RFP or as modified by addendum. No delivery will become due or be accepted until an agreement has been completed either in the form of a formal executed contract, or a purchase order issued

Page of 2 20 by the Purchasing Manager of Larimer County. Prices and terms will remain in effect until a contract has been executed.

1.8 Public Records:

Proposers may choose to also provide one (1) redacted .pdf proposal (as one single file), excluding any information that is not subject to disclosure under the Colorado Open Records Act (“CORA”), such as trade secrets, privileged information and confidential commercial, financial, geological or geophysical data exempt from public disclosure under C.R.S. §§ 24-72-204(3)(a)(IV). Statements that the entire proposal is confidential will not be honored. After the Notice of Award has been issued, all information submitted in response to this request for proposal (RFP) may be publicly disclosed if required under the CORA. If provided, the redacted electronic copy will be used to satisfy CORA requests. Proposers that do not provide a redacted electronic copy will have their non-redacted electronic copy used to satisfy CORA requests. Larimer County will endeavor to keep the non-redacted proposal, separate and apart from the redacted proposal subject to the provisions of CORA or Order of Court.

1.9 Reasonable Accommodations:

Per the Americans with Disabilities Act (ADA), Larimer County will provide reasonable accommodation to qualified individuals with a disability who need assistance. Services can be arranged with at least seven (7) business days’ notice. Please email the Contact Person listed on the page 1 or call Relay Colorado 711.

“Walk-in” requests for auxiliary aids and services will be honored to the extent possible but may be unavailable if advance notice is not provided.

1.10 Regulatory and Legal Compliance Requirements:

No vendor awarded a solicitation will be federally debarred. Such debarment will be checked through the System for Award Management, at www.sam.gov.

All businesses, organizations, and individuals contracting with Larimer County must comply with Title II of the Americans with Disabilities Act of 1990, as amended. For more information on these requirements and to read the full Title II text, please go to the following web page: https://www.ada.gov/ada_title_II.htm.

The Keep Jobs in Colorado Act (§ 8-17-101, et. seq., C.R.S.) requires that contractors who work on a public works project financed in whole or in part by the state, counties, school districts, or municipalities of Colorado, meet the 80% Colorado labor requirement on that public works project, as defined in § 8-19- 102(2), C.R.S.

See https://cdle.colorado.gov/dlss/labor-laws-by-topic/job-postings-and-hiring/keep-jobs-in-colorado-act for more information regarding this Act, which applies to Public Works projects only. The definition of Public Works along with other “Frequently Asked Questions” about this Act may be found at: https:// cdle.colorado.gov/sites/cdle/files/ Keep%20Jobs%20in%20Colorado%20FAQs%20October%202020%20accessible.pdf

The Proposer certifies that by submitting an offer, neither the contractor nor subcontractors, the organization nor its principals are suspended or debarred or otherwise excluded from procurement by the Federal government and do not appear on the Excluded Parties List System (EPLS) maintained by the General Services Administration (GSA).

2. PROJECT OVERVIEW:

Colorado Law requires the Energy and Carbon Management Commission (ECMC) to administer and enforce state regulations pertaining to oil and gas operations. The Colorado legislature set up the "Orphaned Wells Mitigation Enterprise" to fund and oversee the plugging, reclaiming, and remediating of orphaned wells and marginal wells in Colorado. The enterprise is designed to be industry-funded, with the fee structure aimed at generating approximately $10 million annually to address the growing backlog of orphaned wells.

In cooperation with the ECMC, Larimer County seeks to plug 50 orphaned well locations, including the decommissioning and removal of production equipment, decommissioning and removal/abandonment of onsite flowlines, as well as removal and proper disposal of all debris from each location. See Exhibit A - Final Intergovernmental Grant Agreement to review the agreement between Larimer County and Colorado State.

Page of 3 20 https://www.sos.state.co.us/pubs/info_center/laws/Title24/Title24Article72Part2.html http://www.sam.gov/ https://www.ada.gov/ada_title_II.htm https://cdle.colorado.gov/dlss/labor-laws-by-topic/job-postings-and-hiring/keep-jobs-in-colorado-act https://cdle.colorado.gov/sites/cdle/files/Keep%2520Jobs%2520in%2520Colorado%2520FAQs%2520October%25202020%2520accessible.pdf https://cdle.colorado.gov/sites/cdle/files/Keep%2520Jobs%2520in%2520Colorado%2520FAQs%2520October%25202020%2520accessible.pdf https://cdle.colorado.gov/sites/cdle/files/Keep%2520Jobs%2520in%2520Colorado%2520FAQs%2520October%25202020%2520accessible.pdf

This project is situated in central Larimer County and includes portions of the northern reaches of the City of Fort Collins. The wells and supporting facilities were formerly operated by Prospect Energy LLC (ECMC Operator Number 10312), however they were abandoned and now are part of the ECMC Orphaned Well Program (OWP).

WELL LOCATIONS:

The individual well locations for the proposed project are as follows:

1. Muddy Sandstone Unit (MSSU) #17-1 (API 069-06312)

2. Muddy Sandstone Unit (MSSU) #17-2 (API 069-06306)

3. Muddy Sandstone Unit (MSSU) #19-1 (API 069-06250)

4. Muddy Sandstone Unit (MSSU) #19-2 (API 069-06251)

5. Muddy Sandstone Unit (MSSU) #19-3 (API 069-06252)

6. Muddy Sandstone Unit (MSSU) #19-4 (API 069-06287)

7. Muddy Sandstone Unit (MSSU) #19-5 (API 069-06301)

8. Muddy Sandstone Unit (MSSU) #19-6 (API 069-062302)

9. Muddy Sandstone Unit (MSSU) #19-7 (API 069-06303) 10.Muddy Sandstone Unit (MSSU) #19-8 (API 069-06285)

11. Muddy Sandstone Unit (MSSU) #19-9 (API 069-06289) 12.Muddy Sandstone Unit (MSSU) #19-10 (API 069-06313) 13.Muddy Sandstone Unit (MSSU) #20-1 (API 069-06309) 14.Muddy Sandstone Unit (MSSU) #20-2 (API 069-06307) 15.Muddy Sandstone Unit (MSSU) #30-2 (API 069-06076) 16.Muddy Sandstone Unit (MSSU) #30-6 (API 069-06094) 17.Muddy Sandstone Unit (MSSU) #30-7 (API 069-06095) 18.Muddy Sandstone Unit (MSSU) #30-8 (API 069-06253) 19.Muddy Sandstone Unit (MSSU) #30-10 (API 069-06255) 20.Muddy Sandstone Unit (MSSU) #30-11 (API 069-06256) 21.Muddy Sandstone Unit (MSSU) #30-12 (API 069-06257) 22.Muddy Sandstone Unit (MSSU) #30-13 (API 069-06258) 23.Muddy Sandstone Unit (MSSU) #30-14 (API 069-06297) 24.Muddy Sandstone Unit (MSSU) #30-17 (API 069-06284) 25.Muddy Sandstone Unit (MSSU) #30-18 (API 069-06311) 26.Muddy Sandstone Unit (MSSU) #30-19 (API 069-06315) 27.Muddy Sandstone Unit (MSSU) #31-1 (API 069-06316) 28.Muddy Sandstone Unit (MSSU) #31-3 (API 069-06318) 29.Krause #1 (API 069-05121) 30.Krause #2 (API 069-06032) 31.Whitaker Blunk #1 (API 069-05108)

32.K.W.B. #1 (API 069-05124)

33.Community #1 (API 069-05129) 34.Community #2 (API 069-05133) 35.Community #3 (API 069-05132) 36.Community #5 (API 069-05125) 37.Community #6 (API 069-05137) 38.Community #7 (API 069-06400) 39.Martinez #1 (API 069-05134) 40.Martinez, F G #2 (API 069-05136) 41.Martinez #3 (API 069-06399) 42.Sabin #1 (API 069-05135) 43.Hearthfire #1 (API 069-06254) 44.Cheyenne Ridge #7-1 (API 069-06310) 45.Meyer #1 (API 069-05113) 46.Meyer #2 (API 069-06033) 47.Meyer #3 (API 069-05114)

48.KIIX #1 (API 069-06332)

49.Peterson #14-20 (API 069-06083) 50.Worth #1 (API 069-05115)

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Locations without wells include:

1. COMMUNITY-68N68W #18NENE (OWP), Loc. ID474545

2. 8-8N-68W SWSW Cheyenne Ridge TB, Loc. ID 482538

The following activities typically associated with plugging and abandonment of oil and gas facilities are specifically excluded from this solicitation:

1. Collection and documentation of Global Positioning System well location data and flowline riser endpoint data will be measured by ECMC staff or others.

2. Reclamation and management of oil and gas exploration and production (E&P) waste beyond the extent necessary to perform work related to plugging the Wells, abandoning flowlines, and decommissioning production equipment. If the Operator discovers existing historic contamination from former oil and gas operations at the Locations during execution of the work, Operator shall immediately notify the ECMC Environmental Specialist. Removal or remediation of existing historic contamination beyond the work areas required by the Operator to execute the Scope of Work in this solicitation is not included in the Scope of Work for this project.

3. Pre-and-post-methane monitoring for this project will be conducted by another firm and is not part of this solicitation.

4. The Engineering & Permitting Consultant as well as the Project Oversight Consultant are not part of this solicitation, and those tasks will be performed by other firm(s).

3. QUALIFICATIONS:

Qualifications, at a minimum, include the following and should be documented explicitly in your proposal:

1. Able and willing to be a Registered Operator with the ECMC.

1.1.An Operator that’s only planning to plug orphaned wells needs to file a Form 1, a Form 1A, and a Form 1B.

1.2.No financial assurance is required except the insurance requirements in ECMC Rule 705.

4. SCOPE OF WORK:

The Operator at a minimum, will provide, perform, and/or furnish the following:

1. MINIMUM GENERAL EXPECTATIONS:

1.1. Assist the County in prioritizing the sequence in which the orphaned well locations should be plugged and decommissioned.

1.2. Work with the required engineering and site analysis (e.g. wellbore diagrams) prepared by the separately hired Oil and Gas Engineering and Permitting Consultant.

1.3. Prepare, submit, and receive approval of all required ECMC Forms for plugging oil and gas wells.

1.4. Issue any required notifications to affected property owners and/or agencies of the work to be performed.

1.5. Complete plugging and decommissioning work at each well/site location.

1.6. Sample of any area that is impacted by plugging and decommissioning.

1.7. Remediate a 6x6x6 area around the wellbore.

1.8. Remediate soil or water contamination that occurs as a result of its operations (not historic contamination).

1.8.1.Immediately notify the ECMC Environmental Specialist if there is historic contamination beyond the work areas.

1.9. Obtain all inspection approvals from the ECMC or others for the plugging and decommissioning of each well/site location.

1.10. Provide detailed billing utilizing the agreed upon price (see Attachment B - Pricing).

2. PLANNING AND PRIORITIZATION

2.1. Operator will work with Larimer County and the City of Fort Collins to prioritize locations according to the threat they pose to public health, safety, welfare, and the environment as well as for efficiency and cost savings.

3. DAILY REPORTS

This specification covers the Operator’s Daily Reports for all Project Locations, including operations of all subcontractors.

3.1. Materials

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3.1.1.As needed for the Operator’s methods.

3.2. Execution

3.2.1.A Daily Report will be submitted to the Project Oversight Consultant and Supervisor within 24 hours of the end of the workday for each location where work specified under this contract has been performed and shall start on the day that the Operator, or any of their subcontractors, begins work on any site.

3.2.1.1.The Project Oversight Consultant is to be notified before any work begins on any Location.

3.2.2.The Operator’s Daily Reports shall include accurate records of the daily work progress with the following minimum information:

3.2.2.1.Date of the report, Contract Award Number, ECMC Location Number or API Number, and

Location Name where the work was performed.

3.2.2.2.List Operator and every subcontractor’s company name that performed work on that location on that date.

3.2.2.3.Cumulative cost data including Starting Balance, Previous Expenditures, Daily Cost, and

Remaining Balance by contract line as shown in the current approved Operator’s Cost Estimate at each location where work was performed on that date.

3.2.2.4.A list by company name and individual of all Operator and Subcontractor personnel on the Project Location for the day.

3.2.2.5.API Number for any well where work was performed.

3.2.2.6.Bradenhead test date.

3.2.2.7.A summary of the work completed including setting depths, cement quantities, the materials used, and devices placed in any well.

3.2.2.8.Date when cement is recorded at the surface, including photographic evidence.

3.2.2.9.A list of the major equipment used to complete the work.

3.2.2.10.An hourly tally for total time on the Project Location.

3.2.2.11.An hourly tally for standby time related to work delays that are directed by the Project

Oversight Consultant.

3.2.2.12.An hourly tally for standby time related to Operator equipment repairs or maintenance, breakdowns, and accidents.

3.2.2.13.Operator’s supervisor’s signature.

3.3. Measurement and Payment

3.3.1.Measurement will be based upon 100% timely delivery of all Daily Reports for every Project

Location where work specified under this contract has been performed as verified by the Project Oversight Consultant, and as specified in this section.

3.3.2.Payment per Attachment B - Pricing shall constitute full compensation for all of the Operator’s costs for this scope item.

4. MOBILIZATION AND DEMOBILIZATION

This specification covers the Operator’s mobilization to and demobilization from all Project Locations, including Move-In and Rig-Up (MIRU) and Rig-Down and Move-Out (RDMO) on all Wells.

4.1. Materials

4.1.1.As needed for Operator’s methods or equipment during mobilization, MIRU, RDMO, and demobilization.

4.2. Execution

The Operator is responsible for the following:

4.2.1.The Project Oversight Consultant is to be notified before the work begins on a new location.

4.2.2.No work is to be performed prior to receiving written Notice to Proceed from the Project Oversight

Consultant.

4.2.3.Quantities will be measured in the field by the Operator and verified by the Project Oversight

Consultant.

4.2.4.The Operator’s daily job logs shall include accurate records of the daily work progress.

4.2.5.Hauling, unloading, assembly and preparation of the equipment to execute the work.

4.2.6.MIRU and RDMO on all Wells listed in this solicitation.

4.2.7.Disassembly, loading, and hauling equipment between Project Locations and off the final Project

Location after work is complete.

4.2.8.Payment of premiums for any needed bonds and required insurance acquired specifically for this project.

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4.2.9.Establishing and maintaining necessary temporary facilities, including sanitation facilities, and any required temporary utilities at the Project Locations for the duration of the work.

4.2.10.Preparatory work at the Project Locations to a condition adequate for Operator’s methods or equipment, including maintenance of access roads, and restoration of roads used or constructed by the Operator to pre-existing or better condition.

4.2.11.Project Cleanup, including hauling and disposal of rubbish, trash, garbage, and/or debris at an approved disposal site.

4.2.12.Operator travel and per diem: Operator shall provide for movement of personnel, equipment and supplies to and from the Project Locations on a daily basis.

4.2.12.1.Any daily travel time to and from the location to a lodging location chosen by the Operator to and from the Operator’s yard and any associated per diem or incidentals for lodging and meals during the work for Operator’s crew shall be included in unit rates on the Attachment B

- Pricing.

4.3. Measurement and Payment

4.3.1.Measurement shall be made based on 100% completion of mobilization to each and every Project

Location (or “Well”), MIRU, RDMO, and demobilization from each and every Project Location.

4.3.2.Operator shall provide load tickets for hauling and disposal of rubbish, trash, garbage, and/or debris at an approved disposal site.

4.3.3.Payment at the Attachment B - Pricing shall constitute full compensation for all of the Operator’s costs.

5. LIQUID WASTE MANAGEMENT

As required by ECMC 900 Series Rules, the Operator will ensure proper storage, handling, transport, and disposal of E&P Liquid Waste.

5.1. Materials

5.1.1.The Operator shall provide a clean, open-top tank or other vessel capable of capturing liquids, water trucks, pumps, tanks, hoses, and all other equipment as needed for the Operator’s methods to execute the work.

5.2. Execution

5.2.1.Perform the following work:

5.2.1.1.Liquids flowing from the wellbore shall be considered oil and gas Exploration and Production (E&P) liquid waste.

5.2.1.2.Cement returns are also considered E&P waste; disposal of cement returns shall be covered under this item.

5.2.1.3.The Operator shall provide a means to temporarily store E&P liquid waste at the Project Locations, and the storage process shall be designed to prevent E&P waste from coming in contact with the ground surface, native soils, surface water, or well pad fill.

5.2.1.4.The Operator shall provide a means to handle and transport E&P liquid waste to a licensed off-site disposal facility.

5.2.1.5.Transportation of E&P Waste is governed by ECMC 900 Series Rules: for E&P waste, when transported off-site within Colorado for treatment or disposal.

5.2.1.6.The Operator will only transport to the following:

5.2.1.6.1.Facilities authorized by the ECMC, 5.2.1.6.2.Permitted commercial waste disposal facilities, 5.2.1.6.3.Permitted commercial waste recycling facilities, or 5.2.1.6.4.Beneficial use sites approved to receive E&P Waste by Colorado Department of Public

Health and Environment (CDPHE) and Larimer County.

5.2.1.7.When E&P waste governed by ECMC 900 Series Rules is transported to facilities outside of

Colorado for treatment or disposal, the facilities must be authorized and permitted by the appropriate regulatory agency in the receiving state.

5.2.1.8.Operators will comply with the Rocky Mountain Low-level Radioactive Waste Board’s Rules, as incorporated by reference in ECMC 900 Series Rules.

5.3. Measurement and Payment

5.3.1.Measurement will be based upon 100% completion of storage, handling, transportation, and disposal of liquid waste for this scope item as verified by the Project Oversight Consultant, and as specified in this section.

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5.3.2.The Operator shall submit daily job logs, load tickets, manifests, and disposal certificates for E&P liquid waste to the Project Oversight Consultant to verify liquid waste quantities.

5.3.3.Liquid waste shall be measured in oilfield barrels (42 U.S. liquid gallons per barrel).

5.3.4.Payment will be based on the total barrels of E&P liquid waste handled and transported only.

5.3.5.Payment of Disposal Fees will be for the fees as paid only as shown on the Operator’s invoices and as approved by the Project Oversight Consultant.

5.3.6.Payment at the Attachment B - Pricing shall constitute full compensation for all of the Operator’s costs for this scope item.

6. SOLID WASTE MANAGEMENT

6.1. As required by ECMC 900 Series Rules, the Operator will ensure proper storage, handling, transport, and disposal of E&P Waste generated during the work.

6.2. All solid materials, including materials that solidify from circulated wellbore fluids, or solids that come in contact with wellbore fluids during execution of the work described herein shall be considered E&P solid waste.

6.3. Materials

6.3.1.Dump trucks, backhoes, loaders, and all other equipment as needed for the Operator’s methods to execute the work.

6.4. Execution

6.4.1.The Operator shall provide a means to temporarily store E&P solid waste on the Project Locations, and the storage process shall be designed to prevent E&P waste from coming in contact with the ground surface, native soils, surface water, or well pad fill.

6.4.2.The Operator shall provide a means to handle and transport E&P solid waste to a licensed off-site disposal facility.

6.4.3.Transportation of E&P Waste is governed by ECMC 900 Series Rules for E&P waste, when transported off-site within Colorado for treatment or disposal.

6.4.4.The Operator will only transport E&P Waste to facilities authorized by the Project Oversight Consultant, to permitted commercial waste disposal facilities, permitted commercial waste recycling facilities, or beneficial use sites approved to receive E&P Waste by CDPHE and the Relevant Local Government.

6.4.5.When E&P waste governed by ECMC 900 Series Rules is transported to facilities outside of Colorado for treatment or disposal, the Operator will only transport to facilities authorized and permitted by the appropriate regulatory agency in the receiving state.

6.4.6.Operators will comply with the Rocky Mountain Low-level Radioactive Waste Board’s Rules, as incorporated by reference in 900 Series Rules.

6.5. Measurement and Payment

6.5.1.Measurement will be based upon 100% completion of solid waste removal for this scope item as verified by the Project Oversight Consultant, and as specified in this section.

6.5.2.The Operator shall submit daily job logs, load tickets, manifests, and disposal certificates for E&P solid waste to the Project Oversight Consultant to verify solid waste quantities.

6.5.3.Solid waste shall be measured in tons.

6.5.4.Payment will be based on the total tons of E&P Solid Waste handled and transported only.

6.5.5.Payment of Disposal Fees will be for the fees paid only as shown on The Operator’s Invoices and as approved by the Project Oversight Consultant.

6.5.6.Payment at the Attachment B - Pricing shall constitute full compensation for all of the Operator’s costs for this scope item.

7. PLUGGING AUTHORIZATION

7.1. Submit a proposed schedule via email to the OWP Staff Contact two (2) weeks prior to beginning operations.

7.1.1.Submit any changes to this schedule via email as soon as they are known.

7.2. Work with the Engineering & Permitting Consultant to submit Form 6 Initial, Notice of Intent to

Abandon for ECMC approval prior to any Plugging and Abandonment operations.

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7.3. Submit cost estimate which describes the work as approved on the Form 6 Initial, Notice of Intent to Abandon.

7.3.1.In addition to the “Cost Estimate Requirements” listed below, the estimate must include, at a minimum:

7.3.1.1.All required wireline operations (CBLs, perforating runs, etc.).

7.3.1.2.Mechanical plugs and depths (Cast Iron Bridge Plugs, Cast Iron Cement Retainers, etc.).

7.3.1.3.Cement plug types (e.g., balanced, squeeze, etc.) and depths.

7.3.1.4.Both height and sack count must be listed.

7.3.1.5.Total amount of tubing in hole and estimated value of all tubing to be salvaged.

7.3.1.6.Estimated days of plugging operations.

7.3.1.7.Time and Materials (T&M) price sheet.

7.3.1.8.Total cost estimate based on pricing provided.

7.4. If unexpected items are encountered (i.e. fishing, replacement of plugs due to low-tags or no-tags, change in design, etc.), submit via email to the OWP Staff Contact a summary of these events as they are encountered (next day is acceptable).

7.5. Work with ECMC Staff to submit Form 27 Initial Site Investigation for ECMC approval prior to any Plugging and Abandonment operations (Form 27 will also include production equipment decommissioning and Out of Service Lockout and Tagout flowlines, if applicable.)

7.6. Work with the Engineering & Permitting Consultant to submit Form 42, Field Operations Notice, as required by ECMC Rule 405 for:

7.6.1.Notice of move-in and rig-up on an oil and gas location.

7.6.2.Notice of plugging operations.

8. PLUG WELLS

Plug wells as required by ECMC 400 and 600 Series Rules, the approved Form 6I and wellbore diagrams for the Wells, and the specifications in this section. The Form 6I will also specify ECMC Engineering Conditions of Approval (if any) that apply to well plugging work.

8.1. Materials

8.1.1.As needed for the Operator’s methods or equipment during well plugging operations.

8.2. Execution

8.2.1.The Operator shall plug the well as directed by the Project Oversight Consultant.

8.2.2.The Operator will provide all equipment or services necessary to complete the work shown in this task order, on the approved Form 6I, Notices of Intent to Abandon, and Wellbore Diagrams.

8.2.3.Perform a pre-plugging bradenhead test and submit a Form 17, Bradenhead Test Report.

8.2.4.Prior to plugging any wells, a Bradenhead Test is required.

8.2.5.Test procedures are described in ECMC’s Guidance Document “Operator Instructions, Bradenhead Testing and Reporting” dated January 15, 2021.

8.2.6.Prior to plugging, the Operator will be responsible for checking the function of bradenhead and intermediate casing taps (if present).

8.2.7.If the wells are not plumbed for Bradenhead Testing, then the Operator shall install new taps and plumb to surface or above ground level to prepare for a pre-plug Bradenhead Test.

8.2.8.The top of the casing with cement to the surface will be left exposed with no leaks and a needle valve.

8.2.8.1.Excavation for cut and cap with welded, labeled cap will be performed by others.

8.2.9.Plug the well as required by ECMC 400 Series Rules, the approved Form 6i, Notice of Intent to Abandon, and any ECMC Conditions of Approval cited on the form.

8.3. Measurement and Payment

8.3.1.Submit monthly work summaries with costs and a detailed invoice to the OWP Staff Contact.

8.3.2.Measurement will be based upon 100% completion of plugging and abandonment of each well, as verified by the Project Oversight Consultant, and as specified in the approved Form 6I and Wellbore Diagram and in this section.

8.3.3.The Operator shall provide all Daily Job Logs for each Well to the Project Oversight Consultant.

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8.3.4.Payment at the Attachment B - Pricing for all items and procedures required to plug the wells shall constitute full compensation for all of the Operator’s costs for this scope item.

9. CUT AND CAP WELLHEAD

The casing left exposed at the surface by the Operator is to be excavated in accordance with the approved ECMC Site Investigation and Remediation Work Plan; Form 27 to a depth adequate to allow cutting off the casing and installing a welded cap.

9.1. Materials

9.1.1.A welded cap is to be provided with the required information in accordance with the ECMC 400 series rules.

9.2. Execution

9.2.1.Well casing is to be exposed by digging a 6x6x6 foot hole.

9.2.2.Contaminated soil is to be disposed of properly.

9.2.3.Samples are to be taken according to Form 27.

9.2.4.Include GPS locations in degrees and decimal degrees to within one meter accuracy for the wellhead.

9.2.5.Unless otherwise directed in the field by the Project Oversight Consultant, the casing is to be cut in such a manner as not to interfere with soil cultivation or other surface use, the cap with the Well’s legal location.

9.2.6.Well name and number, and API Number is to be permanently welded to the top of the casing, and the resulting excavation is to be backfilled.

9.2.7.Use appropriate best management practices to prevent stormwater and sediment migration during excavation activities.

9.2.7.1.This shall include, but is not limited to, preventing storm water accumulation in the excavation and containment and/or covering of any temporary stockpiles or disturbed areas using silt fence or other methods approved by the Project Oversight Consultant.

9.3. Measurement and Payment

9.3.1.Measurement will be based upon 100% completion of capping each and every wellhead for this scope item as verified by the Project Oversight Consultant and as specified in this section.

9.3.2.The Operator shall submit daily job logs, load tickets for hauling and tipping of imported fill. Clean fill shall be measured in cubic yards as determined by the trucking company’s load tickets.

9.3.3.Purchase of clean fill to replace contaminated soil removed above will be at purchased price only as shown on the Operator’s Invoices and as approved by the Project Oversight Consultant.

9.3.4.Payment at the Attachment B - Pricing shall constitute full compensation for all of the Operator’s costs for this scope item.

9.4. BACKFILL WELLHEAD

Stained soil excavated around the wellhead in the process of cutting and capping the well four (4) feet below grade shall be considered E&P solid waste.

9.4.1. Materials

9.4.1.1.The 6x6x6 foot hole resulting from cutting off the wellhead four (4) feet below grade must be backfilled and compacted.

9.4.1.2.Material used for backfilling shall be clean segregated onsite soil or clean imported fill from offsite source, free of unsuitable or manmade materials or rocks larger than six inches.

9.4.2.Execution 9.4.2.1.Unless otherwise directed in the field by the Project Oversight Consultant, backfill will be placed and compacted as close as practical to the nature and density of the in-situ soil.

9.4.2.2.Regrading to match existing topography.

9.4.2.3.Use appropriate best management practices to prevent stormwater and sediment migration during excavation activities.

9.4.2.3.1.This shall include containment of any temporary stockpiles or disturbed areas using silt fence or other ECMC-approved methods.

9.4.3.Measurement and Payment

9.4.3.1.Measurement will be based upon 100% completion of backfilling each and every wellhead for this scope item as verified by the Project Oversight Consultant and as specified in this section.

9.4.3.2.The Operator shall submit daily job logs, load tickets for hauling and tipping of imported fill.

Clean fill shall be measured in cubic yards as determined by the trucking company’s load tickets.

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9.4.3.3.Purchase of clean fill to replace contaminated soil removed above will be at purchased price only as shown on the Operator’s Invoices and as approved by the Project Oversight Consultant.

9.4.3.4.Payment at the Attachment B - Pricing shall constitute full compensation for all of The Operator’s costs for this scope item.

9.5. REMOVE ON-SITE FLOWLINES

Work described in this section applies to flowline removal on the Project Locations.

9.5.1. Materials

9.5.1.1.Threaded bull plugs (or similar mechanical plugs) with needle valves, flexible foam plugs (to hold flowline fill material in place), and/or fill material shall be provided and installed by the Operator on the Project Locations using the procedures specified below.

9.5.1.2.Concrete fill material used as plugs shall be a pre-blended mixture of cement and aggregates for general structural uses, requiring only the addition of water capable of meeting ASTM C387 such as QUIKRETE Concrete Mix.

9.5.1.3.Lock-Out or Tag-Out devices for flowline risers shall be OSHA-compliant.

9.5.1.4.Any changes in the type or materials for end caps must be approved by the Project

Oversight Consultant.

9.5.2.Execution

Methods listed below incorporate the requirements of ECMC’s Rule 1105.b.

9.5.2.1.Complete CO 811 One Call requirements prior to any excavation.

9.5.2.2.In accordance with the intent of ECMC Rule 1105.b., upon removing [or disconnecting] a flowline or crude oil transfer line from service, Operator shall immediately lockout or tag out the risers while the Operator is in the process of abandoning the pipeline.

9.5.2.3.Lockout and tagout devices must stay in place at all times during the process of abandoning the flowline or crude oil transfer line until the Operator removes the riser.

9.5.2.4.Depressurize and purge the flowlines using negative pressure.

9.5.2.5.Disconnect and isolate the flowlines from all sources and supplies of fluids, including natural gas.

9.5.2.6.Remove any above-grade associated equipment including, but not limited to valves, risers, and piping.

9.5.2.7.Cut and remove each flowline that does not leave the location (i.e. flowlines from wells to tanks on same pad).

9.5.2.8.Record flowline endpoint outside diameters.

9.5.2.9.Abandon flowlines in place, as required by ECMC rules.

9.5.2.10.The only flowlines to be removed are those that are between equipment on the pad site, (e.g. wellhead to separators to tanks).

9.5.2.11.Disconnect cathodic protection anodes and earthing beds (if any) 3 feet below ground surface and remove any other cathodic protection system equipment (if any) including buried cables, impressed current units, power lines, solar arrays and batteries.

9.5.2.12.Backfill and compact any excavations created during the work to match existing grade with suitable material, including bellholes at the endpoints of each flowline, underground pits for valves, and excavations for any other associated equipment.

9.5.2.13.Dispose of trash and debris, including valves, risers and any sections of flowlines that are removed.

9.5.2.14.Remove any signage and line markers associated with the flowline.

9.5.3.Measurement and Payment

9.5.3.1.Measurement will be per 100’ of flowline removed.

9.5.3.2.Payment will be made on the unit price for removal of each flowline per 100’, as approved by the Project Oversight Consultant.

9.5.3.3.The unit prices in the Attachment B - Pricing shall constitute full compensation for all of

Operator’s costs, to complete all on-site flowline removal.

9.6. DECOMMISSION PRODUCTION EQUIPMENT

9.6.1.Disconnect, clean, and remove oil and gas production equipment and debris from the Project Locations, as shown on the Project Location Photographs and Equipment Inventory included with this solicitation.

9.6.2.Haul equipment off site for salvage or disposal. Include salvage credit, if any, for all equipment removed and tubulars recovered during well plugging in the net cost.

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9.6.3.Materials As needed for Operator’s methods or equipment during production equipment decommissioning at each Project Location.

9.6.4.Execution 9.6.4.1.Operator shall provide a pressure washer to clean tanks and separators, vacuum trucks, lifts, trailers, and all other equipment as needed for Operator’s methods to execute the work.

9.6.4.2.Minimum requirements for Decommissioning Production Equipment include:

9.6.4.2.1.Include GPS locations in degrees and decimal degrees to within one meter accuracy for the separator.

9.6.4.2.2.Provide tanks or vessels to allow venting of residual gasses.

9.6.4.2.2.1.For Production Facilities within 1,000 feet of a Building Unit, as defined in

ECMC’s 100-Series Rules, the Operator shall plan for and include costs for implementing measures to control venting and ensure that vapors and odors from well plugging operations do not constitute a nuisance or hazard to public welfare.

9.6.4.2.3.Remove all fluids from tanks and vessels.

9.6.4.2.4.Dismantle and clean all vessels and break down for transport.

9.6.4.2.5.Dismantle and remove pump jacks.

9.6.4.2.6.Remove all other debris, buildings, sheds, trash, and equipment.

9.6.4.2.7.Salvage or properly dispose of all equipment, debris, and trash removed from the

Project Locations.

9.6.4.3.Include salvage credit, if any, for all equipment removed and tubulars recovered during well plugging in the net cost for this scope item.

9.6.5.Measurement and Payment

9.6.5.1.Measurement will be based upon 100% completion Decommissioning Production Equipment at each Project Location, as shown on the Project Location Photographs, the Equipment Inventory, and as specified in this section.

9.6.5.2.Operator shall provide all Daily Job Logs for each Project Location to the Project Oversight Consultant.

9.6.5.3.Lump sum payment at the Attachment B - Pricing, less than any salvage credits, shall constitute full compensation for all of the Operator’s costs to Decommission Production Equipment at each Project Location.

9.7. MONITORING AND SAMPLING

All excavation activities under this contract will involve collecting samples as required by the approved Site Investigation and Remediation Work Plan; ECMC Form 27.

9.7.1. Materials

9.7.1.1.As needed for the Operator, or third-party consultant, to complete site investigations of the oil and gas well locations.

9.7.1.1.1.It is assumed that soil impacts are limited to depths less than 10 feet below ground surface (bgs).

9.7.1.2.Coordination with the consultant to provide access to excavations while open will be the responsibility of the Operator.

9.7.2.Execution Methods listed below incorporate the requirements of ECMC’s 900 Series Rules:

9.7.2.1.The number and location of samples will be determined by a third-party Environmental Consultant approved by the ECMC Project Oversight Consultant and subcontracted for performing environmental oversight and sample collection.

9.7.2.2.Samples will be collected, preserved, documented, and shipped or delivered to an approved laboratory under chain-of-custody protocol using standard environmental sampling procedures in a manner to ensure accurate representation of site conditions.

9.7.2.3.Sample documentation shall include GPS locations in degrees and decimal degrees to within one meter accuracy for all sample locations, endpoints of flowlines left as abandoned in place, and wellhead(s).

9.7.2.4.Samples will be submitted to a laboratory for analysis of compliance with Table 915-1 requirements.

9.7.2.5.The wellhead location and soil sample locations will be documented using a global positioning system (GPS) unit with submeter accuracy.

9.7.2.6.Record and document the coordinates of each soil sample location.

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9.7.2.7.Photographs of each wellhead and soil sample location will be taken during sampling to document conditions and sample locations.

9.7.3. Measurement and Payment

9.7.3.1.Measurement will be based on 100% completion of Sampling at all excavation sites and receipt of the analytical reports for each as verified by the Project Oversight Consultant and as specified in this section.

9.7.3.2.Payment will be made at the Attachment B - Pricing for actual hours spent, the lab receipts for sampling, and shall constitute full compensation for all of the Operator’s costs for this scope item.

9.8. SOIL ANALYSIS

9.8.1.The Operator shall perform soil collection for analysis where directed by ECMC staff.

9.8.1.1.Soil sampling/testing for successful revegetation is different from sampling for soil remediation.

9.8.2.The Operator may be required to conduct the following soil tests if requested: SAR – from saturated paste extract, EC – Saturated Paste, ESP %, CEC, pH- saturated paste method, % Organic matter – Walkley-Black method, NO 3 – Nitrate – nitrogen - AB-DTPA, NH 4 - Ammonium

– nitrogen - AB-DTPA, P – Phosphorus, AB-DTPA, K- Potassium AB-DTPA, Zn- AB-DTPA, Fe- AB- DTPA, Mn - AB-DTPA, Cu - AB-DTPA, Cl – Chloride, % calcium carbonate equivalent - gravimetric, Texture – by hydrometer with textures reported as USDA, Boron, hot water soluble method, Plant available Selenium, and Plant available Arsenic. Carbon to nitrogen ratio - C/N - Salt kill locations, high SAR sites, or any sites where high amounts of carbon have been added to the soil. C/N - CHN furnace; subtract CO3-C from total C to get total organic carbon.

9.8.3. Materials

9.8.3.1.The Operator shall provide a means to collect, store, and ship samples.

9.8.4. Execution

9.8.4.1.The Operator should be able to collect samples at various depths.

9.8.4.2.It is important to collect the same amount of soil from all soil depths so the sample is not biased with more soil from the top compared to the bottom, especially since soil biological properties vary with depth.

9.8.4.3.Samples must be kept cool at all times and shipped or delivered to the lab within two (2) days of when they were collected.

9.8.4.4.Do not freeze or dry samples.

9.8.4.5.Samples shall be sent in a sealed and labeled plastic bag or container.

9.8.4.6.Sample labels shall consist of Location name and/or ID, date collected, sample number and depth.

9.8.5. Measurement and Payment

9.8.5.1.Measurement will be based upon 100% completion of samples being collected and submitted for analysis as specified in this section.

9.8.5.2.The Operator shall provide all Daily Job Logs for each Project Location to the Project Oversight Consultant.

9.8.5.3.Payment will be based on Attachment B - Pricing and shall constitute full compensation for all of the Operator’s costs for collection and analysis.

9.9. Safety

9.9.1.The job will involve working on Oil and Gas locations and has the potential for hazards, and it is the responsibility of the Operator and Subcontractors to be aware of all OSHA regulations which apply to this contract, including preparing and executing a Project Safety Plan in conjunction with project implementation, and submit it to Project Oversight Consultant within five (5) working days of Notice to Proceed date (or at the project kick off meeting) for review.

9.9.2.Project Safety Plan must be comprehensive and sufficiently detailed so that every member of the work crew (including sub-contractors) on site understands their responsibilities and the responsibilities of Operator to ensure a safe and injury-free workplace.

9.9.3.This section covers the Operator’s minimum safety requirements. It is the responsibility of the Operator and Subcontractors to be aware of all Local, State, and Federal OSHA regulations which apply to this contract.

9.9.4. Materials

9.9.4.1.As needed for the Operator’s methods to perform work in a safe manner that complies with the OHSA regulations, ECMC’s Health And Safety Plan (HASP) and the 600 series rules.

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9.9.5. Execution

The Operator is responsible for:

9.9.5.1.Reviewing and implementing a Project Safety Plan that meets or exceeds the ECMC’s HASP policy.

9.9.5.2.The Operator will perform work in accordance with ECMC Operational Safety Rules.

9.9.5.3.Notifying the Project Oversight Consultant immediately of all safety incidents associated with the project.

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9.9.6. Measurement and Payment

9.9.6.1.Measurement will be based upon 100% completion of all tasks in a safe manner as verified by the Project Oversight Consultant, and as specified in this section.

9.9.6.2.The Operator shall submit all Job Safety Analysis (JSA) and Project Safety Plans available to the Project Oversight Consultant for review.

9.9.7.Payment will be based on Attachment B - Pricing and shall constitute full compensation for all of the Operator’s costs for collection and analysis.

5. INSURANCE:

BEFORE submitting your company proposal, confirm with your insurance carrier that your company can meet the insurance requirements published in the solicitation. Your company insurance coverages should be correctly noted in the most current EOC. NOTE: All Larimer County contracts require that the Award Vendor possess appropriate insurance at all times during the contract; these coverages are purchased at the company's expense. The County’s insurance requirements may necessitate a company adding or increasing coverage/limits, and those changes may impact pricing for the proposed project. These costs must be included in your pricing at the time of submission and will not be permitted to be added later.

5a. INSURANCE REQUIREMENTS Prior to commencement of any work, a Certificate of Insurance shall be issued to Larimer County, 200 West Oak St., Suite 4000, Fort Collins, Colorado 80521 as the Certificate Holder. The insurance required herein shall be procured and maintained in full force and effect for the duration of the Contract or Agreement and shall be written for not less than the following amounts, or greater if required by law. Such certificate shall be delivered to InsuranceCert@larimer.org.

1. Workers' Compensation and Employers' Liability

1.1.Workers’ Compensation: Statutory 1.2.Employer's Liability: $100,000 Each Accident

$500,000 Disease-Policy Limit $100,000 Disease-Each Employee

1.3.Waiver of Subrogation in favor of Larimer County

1.4. If the contractor/vendor is not required to carry Workers’ Compensation coverage per Colorado

Wor…