140S0326R0001_AMEND_3_Q_A_0003.pdf

Offers must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended, by one of the following methods:

(a) By completing items 8 and 15, and returning or (c) By separate letter or electronic communication which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGMENT TO BE RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION OF YOUR OFFER. If by virtue of this amendment you desire to change an offer already submitted, such change may be made by letter or electronic communication, provided each letter or electronic communication makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

E. IMPORTANT: is not is required copies to the issuing office.

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT 1. CONTRACT ID CODE

2. AMENDMENT/MODIFICATION NUMBER 3. EFFECTIVE DATE 4. REQUISITION/PURCHASE REQUISITION NUMBER 5. PROJECT NUMBER (If applicable)

7.ADMINISTERED BY (If other than Item 6) CODE

STANDARD FORM 30 (REV. 11/2016)

Prescribed by GSA FAR (48 CFR) 53.243

FACILITY CODE

9A. AMENDMENT OF SOLICITATION NUMBER

9B. DATED (SEE ITEM 11)

10A. MODIFICATION OF CONTRACT/ORDER NUMBER

10B. DATED (SEE ITEM 13)

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

The above numbered solicitation is amended as set forth in Item 14. is extended. is not extended.

12. ACCOUNTING AND APPROPRIATION DATA (If required) copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted;

13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS.

IT MODIFIES THE CONTRACT/ORDER NUMBER AS DESCRIBED IN ITEM 14.

CHECK ONE A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE CONTRACT ORDER

NUMBER IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation data, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(b).

C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority)

Except as provided herein, all terms and conditions of the document referenced in Item 9A or 10A, as heretofore changed, remains unchanged and in full force and effect.

15C. DATE SIGNED

15A. NAME AND TITLE OF SIGNER (Type or print)

16C. DATE SIGNED

16A. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)

14. DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

PAGE

6. ISSUED BY CODE

8. NAME AND ADDRESS OF CONTRACTOR (Number, street, county, State and ZIP Code) (X)

CODE

15B. CONTRACTOR/OFFEROR

(Signature of person authorized to sign)

16B. UNITED STATES OF AMERICA

(Signature of Contracting Officer)

Previous edition unusable

PAGESOF

Contractor

The hour and date specified for receipt of Offers to sign this document and return

Cathy Boulware

See continuation page

OSMRE Lakewood, CO DOI, Office of Surface Mining & Rec Acquisition Management Branch Building 25 Kipling St & W 6th Ave Lakewood CO 80235

S30

140S0326R0001

Pollyanna #209/30/2026

09/30/2026

1 3

CONTINUATION SHEET

REFERENCE NO. OF DOCUMENT BEING CONTINUED PAGES

NAME OF OFFEROR OR CONTRACTOR

SUPPLIES/SERVICES

(B)

UNIT

(D)

UNIT PRICE

(E)

AMOUNT

(F)

OPTIONAL FORM 336 (4-86)

Sponsored by GSA FAR (48 CFR) 53.110

ITEM NO.

(A)

QUANTITY

(C)

NSN 7540-01-152-8067

140S0326R0001/0003

AMENDMENT 3 - Questions/Responses, revised Bid

Sheet. and due date extension.

Vendor questions with Government Responses are attached.

Revised Bid Sheet is attached.

The due date for proposals has been extended till Friday, 11/20/2026 5pm EST.

AMENDMENT 2 - SITE VISIT SIGN-IN SHEET

Pollyanna #2 Acid Mine Drainage

Pre-bid Site Visit:

Attendance at the pre-proposal meeting is NOT mandatory for your proposal to be considered.

Any information missed at the pre-proposal meeting is not the responsibility on the

Government. The pre-proposal meeting is scheduled on Tuesday, 10/20/2026, at 11:00 AM local time and may go until 1:00 PM. The meeting will commence at:

GPS coordinates: 34°52-7.78-N, 95°28-2.10-W

Legal description: NE/4 of NW/4 of NW/4 & NW/4 of NE/4 of NW/4 Section 36, Township 05 North, Range 17 East, Latimer County, Higgins USGS

Quadrangle 7.5 Minute Map

Payment Bond and Performance Bonds:

If your construction costs are > $150,000.00, you are required to furnish in duplicate, within 14 days, Performance (Standard Form 25) and Payment Bonds (Standard Form 25a) of 100 percent, with surety of sureties acceptable to the Government.

Contracts > $150,000- (1) Performance bonds.

Unless the contracting officer determines that a lesser amount is adequate for the protection of the Government, the penal amount of performance bonds must equal-

(i) 100 percent of the original contract price;

and (ii) If the contract price increases, an additional amount equal to 100 percent of the increase.

(2) Payment bonds. (i) Unless the contracting

Continued...

CONTINUATION SHEET

REFERENCE NO. OF DOCUMENT BEING CONTINUED PAGES

NAME OF OFFEROR OR CONTRACTOR

SUPPLIES/SERVICES

(B)

UNIT

(D)

UNIT PRICE

(E)

AMOUNT

(F)

OPTIONAL FORM 336 (4-86)

Sponsored by GSA FAR (48 CFR) 53.110

ITEM NO.

(A)

QUANTITY

(C)

NSN 7540-01-152-8067

140S0326R0001/0003 officer makes a written determination supported by specific findings that a payment bond in this amount is impractical, the amount of the payment bond must equal-

(A) 100 percent of the original contract price;

and (B) If the contract price increases, an additional amount equal to 100 percent of the increase.

(ii) The amount of the payment bond must be no less than the amount of the performance bond.

These forms are available at https://www.gsa.gov/reference/forms.

NAICS 562910 (<1,000 employees) is applicable.

Davis Bacon Act applies.

Wage determination is attached (ATTACH 2) to award and can be found at http://www.wdol.gov/dba.aspx

PROJECT MAGNITUDE Between $1 million and $5 million

Period of Performance: 01/19/2027 to

01/18/2028

No

Reference Question/Clarification Government Responses

1 Bid Schedule

Where should costs associated with the performance and payment bond be included in the current bid schedule?

For federal contracts, contractors generally include anticipated bond costs in their proposals. Therefore, while there is a cost to obtaining the bonds, it is typically considered part of the contractor's cost of doing business and project pricing and not

2 SECTION C -

DESCRIPTION/SPECIFICATI

ONS, Background

Please confirm that the successful Prime Contractor for this opportunity must have a physical office in Oklahoma

No. All OK licenses must required must be obtained before performance begins.

3 Question Submissions

Due to the approximately one-week interval between the question submission deadline and the Government’s anticipated responses, we respectfully request an extension of the proposal submission deadline. This extension would allow sufficient time to share the complete Q&A with our vendors, obtain and evaluate updated pricing, and submit the most competitive proposal offering the best value to the Government.

Yes, the new due date for Proposals shall be 11/20/2026

4 Item 18. Should the Contractor consider NORM as a constituent waste streams? At this time, the substances (if any) residing within the onsite tanks is unknown. NORM has been known to occur in acid mine drainage related to coal mining activities. To our knownledge and based on previous information on how the active treatment of the acid mine drainage occurred and was discharged via Oklahoma Department of Mining and Oklahoma Department of Environmental Quality standards, NORM should not have to be considered but the determination will be left up t th di ti f th l t d t t

5 Item 3. Pond Dewatering

Please provide any available recent water-quality data and estimated water volumes for the two ponds to be dewatered. Please also confirm the approved discharge location(s) and whether treatment will be required prior to discharge.

We do not have any current water quality on either pond other than visual observations of aquatic life in the ponds. The estimated water volume for both ponds is anticipated to be 5.2 acre feet or less. The approved discharge location will be into either the ditch occurring to the southeast (along the entry road) or to the tributary to the northwest. No water treatment is anticipated to be required for either pond prior to discharge

SECTION C -

DESCRIPTION/SPECIFICATION

S, Background

Section C states that no Storm Water Discharge Permit is required, while the Pond Dewatering specification states that the Contractor will acquire a stormwater discharge permit if necessary. Please clarify whether any permit is expected for dewatering/discharge from the two existing ponds and identify responsibility for application fees, sampling, treatment, and compliance requirements associated with the discharge.

ODEQ has indicated no discharge permit will be required for the dewatering and discharging of water from either pond.

Pond sludge and residual management will be required to be handled by the contractor.

8 General Is this project considered Tax Exempt? NO

9 Are permits required? If so, who is responsible for pulling permits Contractor 10 What kind of permits are required. A stormwater pollution preventation plan and a general construction permit are anticipated, but other required permits will be determined by the selected contractor.

11 Bid Schedule Line 23 -- pertains to the Bid Guarantee. Confirm this does not include the Performance & Payment Bond

The bid Guarantee does not include the Performance & Payment Bond

12 Question Submissions Bid Item #9 calls for a 10" diameter dosing siphon. Is i possible to utilize a 12" diameter dosing siphon and neck it to 10" to maintain the correct Gallons Per Minute(GPM)?

Yes

13 Specifications Is there drawings associated to the dosing siphon with required specs such as an average discharge rate or maximum/minimum discharge rate?

Sheet 2 of 3 under REVISED_Channel- Pond Dosing Siphon Plan View (1) 0001.pd -

14 Section F Verify contract duration, Box 11 of the SF1442 states 365 Calendar Days of award where Section F - Delivers or Performance 52.211-10 states 325 Calendar Days.

365 days

15 ATTACHMENT 1- Plans

The plans identify a potential borrow area but does not estalish available quantity or suitability. Please confirm whether the designated potential borrow is available at no charge to the contractor and if there is any geotechnical or material characterization testing available.

Approx, 3,000 cy is available at no charge to the contractor.

16 Bid Item No. 4

If onsite material is determined unsuitable by the inspector or insufficient to complete the required grades, please clarify whether importing suitable fill and/or disposing of unsuitable material offsite is incidental to Item 4 Earth Work or would require a separate line.

Change Order

17 Bid Item No. 7

The specification requires AASHTO #3 high-calcium limestone having at least 95% calcium carbonate purity. Please confirm whether OSMRE has identified or approved any local sources meeting this requirement and identify the documentation/testing required to demonstrate calcium carbonate content prior to delivery.

Yes - Marble City

18 Bid Schedule

The bid schedule identifies Item 11 Wetland Seeding and Planting as 260 units, while the specification describes a 240-foot by 40-foot wetland planted on 24-inch centers, approximately one plant per four square feet. Please clarify what the bid quantity of 260 represents and provide the contractual quantity/basis for pricing and payment as that would only cover 1,040 sqft of wetland area as opposed to 9,600 sqft (240 ft x 40 ft).

The actual "floor" of the wetland is 12' x 220' or 2,640 ft^2.

The true number should be 660 units planted.

19 Drawing No. 1 Plan View and General Layout Dated 8/5/2026 list Drawing NO. 1 of 3. Please provide additional pages or drawings The full set is under REVISED_Channel- Pond_Dosing_Siphon_Plan_View_(1)_0001.pd posted on October 14th.

Attachment 1 - OSMRE-Title V Supplement Specfications Earth Fill /Dirt Work

The Earth Fill/Dirt Work specification describes one foot of compost within the wetland and variable compost depths, but Attachment 3 contains no separate compost bid item. Please confirm whether furnishing, transporting, placing, and grading the wetland compost is incidental to Item 4 Earth Work or Item 11 Wetland Seeding and Planting. Please also provide the required compost material specification.

The compost is incidental to the Earth Fill/Dirt Work wetland creation item. The required material can be a mix of wood mulch, spent mushroom compost, regular compost, or hay.

The material will need to be suitable to allow the develop of wetland vegetation. We will allow the material to be mixed with suitable wetland type soils located onsite to be cost ff 21 Subfactor 2 - Key Personnel & Staffing Plan

Is current MSHA training certification required for site personnel No

22 STORM WATER POLLUTION

PREVENTION PLAN, page 7

It is stated that a SWPPP is not required for this project and that OSMRE developed the BMPS in an attached drawing. Please provide the contract requriments for BMP installation, inspections, and maintenance.

A stormwater pollution preventation plan and a general construction permit are anticipated and will be the responsibility of the contractor. The information related to OSMRE developed BMPs and the associated attachment were attached to this RFP by mistake. The contrator will be required to develop and acquire a SWPPP

Can you confirm whether the subcontractor qualifications will count towards the past performance requirements in relation to the subject solicitation?

No, only the Prime. This is a small business set a-side and a sub-contrctor plan is not required.

24 What size riprap is to be installed per OSMRE design? AASHTO #3 25 Which line item shall riprap be included within the Bid Schedule? Line item 7.

Could you please identify the specific state and local licenses, registrations, and permits the successful contractor will need for this project? Also, which environmental permits or approvals has OSMRE already obtained, and which would be the contractor’s responsibility, particularly for stormwater, pond dewatering, and AMD discharge?

The necessary permits we anticipate this project requiring are a stormwater pollution preventation plan and a general construction permit from the state, any and all other permits necessary for the project to be successful will be determined by the contractor. The pond dewatering will not require a ODEQ permit. No discharge permit is applicable for the contractor, at this time, for the AMD as it is related directly to the permit and the former operator. The contractor will need to obtain or hold licenses to perform all work in Oklahoma related to this j ' bj iThe RFP references a site-specific Stormwater Pollution Prevention Plan (SWPPP) sheet as being included in the project plans; however, this sheet does not appear to be included in the RFP documents. Can the referenced SWPPP sheet be provided to bidders?

A stormwater pollution preventation plan and a general construction permit are anticipated and will be the responsibility of the contractor. The information related to OSMRE developed BMPs and the associated attachment were attached to this RFP by mistake. The contrator will be required to develop and acquire a SWPPP

Are contractors able/allowed to dual-hat any of the Key Personnel on this effort? Yes

Are there any specific education, experience, or certification requirements for Key Personnel? No

Is the Safety representative required to maintain a full-time site presence? No

Sponsored by GSA FAR (48 CFR) 53.110