B09_Amendment_1_0001.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

Michelle Potter

See continuation page

BOEM-HQ

45600 Woodland Road, VAE-AMD Sterling VA 20166-9216

M10

140M0126Q0033

06/22/2026

06/22/2026

1 4

Michelle Potter Typewritten Text

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

140M0126Q0033/0001

This amendment is being issued to answer the question received, to extend the quotation due date and to update who the quotation needs to be sent to. Please see attached pages, including amended solicitation section 4.2 with changes made in red strike out.

Please sign and return the standard form page along with your quotation.

RFQ 140M0126Q0033

Amendment 0001

Attachment 1 Questions and Answers

Request for Quotation (RFQ) 140M0126Q0033, Amendment 0001

Number Questions and Answers Question No. 1 The SOW (Task 2) bases sediment characterization on sub-sampled box/push cores analyzed ex-situ in the laboratory. We would like to ask whether BOEM would consider or permit an offeror to propose, Sediment Profile Imaging (SPI, examples below) paired with Plan View (PV) imagery, as a complementary in-situ method within the technical approach. We have collected paired SPI and PV imagery and can demonstrate the approach in this context.

Our rationale is twofold:

• Spatial representativeness at low cost and broad coverage. With SPI/PV, it’s possible to collect data at many more seafloor locations than with grab/core sampling plus lab analysis. This would help characterize the spatial variability of the sediment field and assess how representative the collected cores are of the broader areas. PV provides areal context while SPI provides the vertical cross-section, together characterizing the spatial variability of the sediment field and how representative the collected cores are of the broader leasing areas. In-field image review can also guide adaptive, more complete sampling. In-situ seafloor imaging is already recognized as valuable in this exact context (Gazis et al. 2025, cited in the SOW). (Germano et al. 2011; Solan et al. 2003; Rhoads & Germano 1982;

Gazis et al. 2025)

• Preservation of intact structure relevant to plume modeling. SPI characterizes the undisturbed sediment-water interface, capturing fine-scale layering and the physical state of the surficial sediment. Therefore, SPI characterizes a vertical dimension that plan-view imagery and homogenized grab/core samples cannot resolve. The peer-reviewed literature, including work from the same research groups cited in the SOW, documents that ex-situ handling and homogenization disaggregate flocs and bias grain-size and settling-velocity measurements, the very properties on which the Task 3 plume models are most sensitive. Intact information on near-surface layering is directly relevant to modeling what sediment is mobilized and how it settles. (El Mousadik 2024)

Would BOEM consider incorporating SPI (with paired PV) into the scope, or treat it as an allowable complementary method that an offeror may include within the period of performance and budget?

Answer No. 1 Sediment samples for this study have already been collected from the central Pacific by federal partners. At this given time, it is not feasible for BOEM to support additional fieldwork as part of this effort. Despite the merits of SPI/PV in situ observations, this study will need to rely on laboratory analyses of the already collected box core samples to inform the sediment plume modeling simulations.

RFQ 140M0126Q0033 PAC-DIRT Page 22 of 35

SECTION 4

QUOTATION PREPARATION INSTRUCTIONS

NOTICE: The failure to submit any of the information requested in this RFQ may lead to the rejection of your quotation without further consideration.

4.1 SUBMISSION OF QUESTIONS

Any questions regarding this RFQ must be delivered Michelle Potter at michelle_potter@ios.doi.gov no later than 5:00 PM Eastern Time on June 30, 2026. Please be advised that the Government reserves the right to transmit those questions and answers of a common interest to all prospective Quoters. PHONE CALLS ARE STRONGLY

DISCOURAGED.

4.2 QUOTATION DUE DATE

Quotations submitted in response to this RFQ shall be received by the due date and time established herein via email to caroline_laikin-credno@ios.doi.gov and michelle_potter@ios.doi.gov with subject title, “140M0126Q0033, PAC-DIRT.”

Quotations shall be submitted no later than 115:00 APM Eastern Time, on July 150, 2026, to be considered for award. Please be advised that it is the quoter’s responsibility to ensure the Government receives your submission on or before the specified due date. Any submissions received after the date and time specified herein will NOT be considered for award.

Additionally, any and all technical issues must be resolved prior to the submission due date to ensure timely delivery by the quoter. PHONE CALLS ARE STRONGLY DISCOURAGED.

4.3 QUOTATION INSTRUCTIONS

Quotes must be submitted in two separate volumes: 1) Price Volume and 2) Technical Volume in accordance with the instructions contained in this solicitation. Both Price and Technical volumes must be submitted in Microsoft Word, Adobe PDF, and/or Microsoft Excel.

The failure to submit any of the information requested in this RFQ may lead to the rejection of your quotation without further discussion.

This RFQ in no way obligates the Government to issue or award orders. The Government will not be responsible for any costs incurred by responding to this RFQ or subsequent orders. You may participate by submitting your response in accordance with the instructions contained herein.

4.3.1 Price Volume

Sponsored by GSA FAR (48 CFR) 53.110