Sol_140P1526Q0068_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

Jessica Owens

See continuation page

NPS, IMR - Arizona MABO 1824 S Thompson St, Ste 200 Flagstaff AZ 86001-2694

PIA

140P1526Q0068

06/17/2026

06/17/2026

1 4

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

140P1526Q0068/0001

The purpose of amendment 1 is to:

1. Incorporate questions and answers.

2. Extend the proposal due date to 7/22/2026.

No additional questions will be accepted at this time. All other terms and conditions remain unchanged.

00010 GLCA Lee's Ferry Replace Water Tank Fill Line in accordance with solicitation documents

Firm-Fixed Price

Product/Service Code: Z1NE

Product/Service Description: MAINTENANCE OF

WATER

SUPPLY FACILITIES

Requisition No: 0044036915

Period of Performance: 09/01/2026 to

11/30/2026

United States Department of the Interior

NATIONAL PARK SERVICE

CONTRACTING OPERATIONS - CENTRAL

1849 C Street

NW Washington, DC 20240

July 16, 2026

Questions and Answers

GLCA LF Water Tank Fill Line Replacement

Solicitation 140P1526Q0068

1 On the 3-inch fill line, is there an option to use a 3-inch stainless steel pipe with four bolt flanges instead of what is called out for the fill line pipe. Instead of one continuous welded pipe, we could install 20 ft or 30 ft long stainless-steel pipe which would last longer, and if there are ever issues in the future, you wouldn't have to remove the entire fill line for repairs or maintenance issues that may come up in the future? It would also last much longer than the steel pipe.

NPS – Open to the option. Note **It would be an expensive option and could likely result in a bid bust.

2 Electrical power for the temporary booster pump. The specification requires the temporary water system to maintain a minimum 45 psi outflow via a booster pump, with backup power provided by the Contractor. Please confirm whether NPS will provide primary electrical power for the booster pump at the temporary-system location. XE will provide backup power per the specification; this question concerns the primary power source only.

NPS – We do have a Federal building in proximity that can provide power to the temporary water system.

3 Access method — crane with personnel backet. Because the fill line extends to approximately 100 ft on the elevated tank, XE intends to use a mobile crane with a manufactured, OSHA-rated personnel platform as the primary means of access for the removal and installation work, in lieu of full-height scaffolding. XE will provide the required

OSHA 29 CFR 1926.1431 justification and testing. Please confirm that NPS has no objection to crane-based personnel access as the Contractor's means and methods on this site.

NPS – No objection

4 Because the work is performed on National Park Service federal land at Glen Canyon

National Recreation Area, please confirm whether an Arizona Registrar of Contractors

(ROC) license is required of the prime contractor and/or subcontractors for this scope, or whether the federal-land location exempts the work from Arizona ROC licensing.

NPS – This project does not meet Arizona’s minor-work exemption, which is for minor work under $1,000.00. We would require the Prime (GC) to be licensed/bonded.

5 Please also confirm whether any tribal (e.g., Navajo Nation) licensing or permitting applies to the specific site location.

NPS – No Tribal land licensing applies to this project.

Sponsored by GSA FAR (48 CFR) 53.110