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This is an Amendment of Solicitation (Amendment 0004) issued by NAVFACSYSCOM Mid-Atlantic for Solicitation N4008526B0002 concerning maintenance dredging services at Philadelphia Navy Yard, Philadelphia, PA. The amendment was issued on 09 October 2026 with an effective date of 09 October 2026, and is administered by the Navy Facilities and Engineering Systems Command Mid-Atlantic located at 9324 Virginia Avenue, Norfolk, VA 23511-0395. The primary contracting officer is Brittany N. Cristelli (Telephone: 757-341-1978; Email: brittany.n.cristelli.civ@us.navy.mil).

The key change implemented in this amendment extends the bid due date from 15 October 2026 to 15 January 2027, with responses due no later than 1400 Eastern Standard Time (EST). Additionally, the response time zone has been changed from Eastern Daylight Time (UTC -4) to Eastern Standard Time (UTC -5). The amendment incorporates four DFARS clauses by reference, effective as of June and September 2026: restrictions on acquisition of certain magnets, tantalum, and tungsten (252.225-7961); prohibitions relating to Chinese military companies (252.240-7007); prohibitions on transfer of Department of Defense employee data to third parties (252.240-7992); and prohibitions on procurement of foreign-made unmanned aircraft systems (252.240-7994). All terms and conditions of the original solicitation dated 23 April 2026 remain in effect except as modified by this amendment. Offerors must acknowledge receipt of this amendment prior to the submission deadline using one of three specified methods.

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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 NUMBE

10B. DATED (SEE ITEM 13)

CODE FACILITY CODE

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SUMMARY OF CHANGES

Section 00 00 00 - Procurement and Contracting Requirements

The following changes have been made:

INFORMATION FROM TO

Response Due Time Zone

Eastern Daylight Time (UTC -4) Eastern Standard Time (UTC -5)

Response Due Date 15 Oct 2026 15 Jan 2027

Section 00 70 00 - Conditions of the Contract

Additional Information/Notes

The following clauses were added:

DFARS Clauses Incorporated by Reference

Number Title Effective Date Alternate/ Deviation

Variation Effective Date

252.225-7961 Restriction on the Acquisition of Certain Magnets, Tantalum, and Tungsten. (DEVIATION 2026-O0041)

Jun 2026 Deviation 2026-O0041 Jun 2026

252.240-7007 Prohibitions Relating to Chinese Military Companies. (DEVIATION 2026- O0025)

Sep 2026 Deviation 2026-O0025 Sep 2026

252.240-7992 Prohibition on the Transfer of Certain Data of Department of Defense Employees to Third Parties. (DEVIATION 2026-O0025)

Sep 2026 Deviation 2026-O0025 Sep 2026

252.240-7994 Prohibition on the Procurement of Foreign-Made Unmanned Aircraft Systems. (DEVIATION 2026-O0025)

Sep 2026 Deviation 2026-O0025 Sep 2026

N4008526B00020005

IDCode: J
Page: 1
Pages: 2
AmendNo: 0004
EffDate: 09 Oct 2026
ReqNo: See Continuation Sheet
ProjNo: 1783178
IssCode: N40085
AdmCode:
IssuedBy: NAVFACSYSCOM MID-ATLANTIC

9324 VIRGINIA AVENUE, NORFOLK VA 23511-0395

NORFOLK, VA 23511-0395

UNITED STATES

Brittany Cristelli, Email: brittany.n.cristelli.civ@us.navy.mil Telephone: 757-341-1978 AdminBy:

SCD: PAS:

ContractorNameAdd:
Code:
FacCode:
SolChg: 1
SolNo: N4008526B0002
SolDate: 23 Apr 2026
AwardChg: Off
AwardNo:
AwardDate:
Amended: 1
OffrExt: 1
OffrNoEx: Off
NoCopies: 1
ApprData: See Section 00 70 00 - Conditions of the Contract
ChgeOrd: Off
ChgeOrder:
Modify: Off
SuppAgre: Off
SuppAuth:
ModOthr: Off
OthrSpec:
NoReq: Off
Require: Off
Copies:
Descript: N4008526B0002 - MAINTENANCE DREDGING, PHILADELPHIA NAVY YARD, PHILADELPHIA, PA

The bid due date has been extended to 15 January 2027 NLT 1400 (EST)

SEE CONTINUATION PAGE.

ContNameTitle:
CoNameTitle: BRITTANY N. CRISTELLI
ContDate:
CODate: 09 Oct 2026

File details come from the government source that posted it. Updated .