Sol_140G0126Q0252_Amd_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

Mindie Dixon

See continuation page

USGS OAG RESTON ACQUISITION BRANCH

205 NATIONAL CENTER

12201 SUNRISE VALLEY DRIVE

RESTON VA 20192

USGS OAG RESTON ACQUISITION BRANCH

205 NATIONAL CENTER

RESTON VA 20192

GRB

GRB

140G0126Q0252

09/02/2026

08/27/2026

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

140G0126Q0252/0001

The purpose of this amendment is to extend the solicitation close date to September 11, 2026, at 5:00 PM Mountain Time; add provision FAR

52.237-1, Site Visit (APR 1984); add the local

Department of the Interior clause GS2109, Scheduling of Site Tour (AUG 2016); post the received questions and the Government's responses as Attachment 4, and system schematics as Attachment 5.

For Questions Contact Mindie Dixon -mindie_dixon@ios.doi.gov

52.237-1 Site Visit. (APR 1984) Offerors or quoters are urged and expected to inspect the site where services are to be performed and to satisfy themselves regarding all general and local conditions that may affect the cost of contract performance, to the extent that the information is reasonably obtainable. In no event shall failure to inspect the site constitute grounds for a claim after contract award.

(End of provision)

GS2109 Scheduling of Site Tour (AUG 2016) The provision FAR 52.237-1, Site Visit, provides that the contractor will not be entitled to an increase in the contract price for conditions affecting performance which were ascertainable from a reasonably thorough inspection of the site. In view of this, a tour of the site has been scheduled and will meet at the following time and place.

Date: September 9, 2026

Time: 10:00AM Eastern Time

Location: USGS Eastern Ecological Science Ctr

Address Line 1: 11649 Leetown Road

Address Line 2: Kearneysville WV 25430 US

Firms interested in attending the tour should email the Contracting Officer - mindie-dixon@ios.doi.gov at least 24 hours in advance of the scheduled tour.

Sponsored by GSA FAR (48 CFR) 53.110