6913G626R200002 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

Patricia Barnett

See continuation page

VOLPE NAT'L TRANSPORTATION SYS CNTR

220 Binney St.

Cambridge MA 02142-1001

6913G6

6913G626R200002

07/14/2026

06/17/2026

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

6913G626R200002/0003

The purpose of this Amendment 0003 to RFP

6913G626R200002 is to formally address the retirement of Standard S-2034 (Car Builder

Certification) within the solicitation and SOW, directing offerors to follow current AAR guidance. See attached continuation sheet for the detailed text modification.

Except as provided herein, all other terms and conditions remain unchanged. The Phase II

Proposal Due Date (July 31, 2026, at 5:00 PM

ET) remains unchanged.

Period of Performance: 09/30/2026 to

09/30/2031

AMENDMENT NO. 0003

SOLICITATION NO. 6913G626R200002

RAIL ROLLING STOCK MODERNIZATION & SUSTAINMENT (RMS) IDIQ

The purpose of this amendment is to address the formal retirement of a specific industry standard within the Solicitation, Amendments, Statement of Work (SOW), and associated attachments.

Specifically, this amendment:

1. Formally retires Standard S-2034 (Car Builder Certification) and directs contractors to follow current Association of American Railroads (AAR) guidance.

Accordingly, SOLICITATION NO. 6913G626R200002 is amended as follows:

Part I: Global Solicitation & SOW Revisions

1. Global Replacement - Retirement of Standard S-2034 (Car Builder Certification)

Wherever Standard S-2034 (Car Builder Certification) is referenced, cited, or required within the Solicitation, Amendments, Statement of Work (SOW), or any associated Attachments, it is hereby deleted in its entirety and replaced with the following provision:

REVISED STANDARD: The Government acknowledges that Standard S-2034 (Car Builder Certification) has been formally retired by the Association of American Railroads (AAR).

Contractors shall follow current AAR guidance on the proper standards, practices, and certifications that shall be used in its place for the manufacturing, modernization, and sustainment of railcars.

End of Amendment No. 0003

Sponsored by GSA FAR (48 CFR) 53.110