11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offers is extended. is not extended.

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 copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted;

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.

12. ACCOUNTING AND APPROPRIATION DATA (If required)

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)

E. IMPORTANT: Contractor is not is required to sign this document and return copies to the issuing office.

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

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.

15A. NAME AND TITLE OF SIGNER (Type or print) 16A. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)

15B. CONTRACTOR/OFFEROR

(Signature of person authorized to sign)

15C. DATE SIGNED 16B. UNITED STATES OF AMERICA

(Signature of Contracting Officer)

16C. DATE SIGNED

Previous edition unusable STANDARD FORM 30 (REV. 11/2016) Prescribed by GSA FAR (48 CFR) 53.243

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

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

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

8. NAME AND ADDRESS OF CONTRACTOR (Number, street, county, State and ZIP Code) (X) 9A. AMENDMENT OF SOLICITATION NUMBER

9B. DATED (SEE ITEM 11)

10A. MODIFICATION OF CONTRACT/ORDER NUMBER

10B. DATED (SEE ITEM 13)

CODE FACILITY CODE

1.

2.

3.

SF 30 BLOCK 14 CONTINUATION PAGE

SUMMARY OF CHANGES

Solicitation/Contract Form Continuation

The following changes have been made:

Miscellaneous text in this section has been modified to:

Amendment 0001:

Update to Questions section in Instructions to Quoters:

10. QUESTIONS: All inquiries and/or comments regarding the solicitation must be submitted to Whitny Hart via email at whitny.hart@usace.army.mil no later than five (5) working days prior to for consideration or action taken prior the RFQ closing date by 3 February 2026 9 a.m. PST to receipt of quotes. Late inquiries may not receive a response. For timely submitted inquiries, responses may be posted as an amendment to the solicitation via the Contract Opportunities website at www.sam.gov . Contractors are responsible prior to RFQ closing date by 5 February for review of the Contract Opportunities website for any posted amendments to this RFQ.

Responses to questions received:

CMMC - Please confirm whether CMMC compliance (if applicable) is required only for the prime contractor or also for subcontractors performing portions of the work. Please review DFARS 252.204-7021(d) for requirements including requirements for subcontractors.

Limitations on Subcontracting - Please confirm whether this clause applies to this acquisition and whether subcontractors may be used, provided the prime meets the 50% self-performance requirement for services (including similarly situated entities, if applicable). Yes, clause 52.219-14 applies.

Incumbent Information - If there is an incumbent, could you please share the Purchase Order number and the total contract value associated with the current contract?

W912DW25P0013 $58,766.00 (Base); W912DW20P0039 $299,525.00 (Base +4 Option Years)

W912DW26QA0060001

KO CONTRACTING DIVISION, 4735 EAST MARGINAL WAY SOUTH

SEATTLE, WA 98134-2329

UNITED STATES

WHITNY HART, EMAIL: WHITNY.HART@USACE.ARMY.MIL TELEPHONE: (206) 316-3937

AdminBy:

SCD: PAS: