Sol_140P1526Q0014_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

Taylor Jones

See continuation page

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

PIA

140P1526Q0014

02/17/2026

02/17/2026

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

140P1526Q0014/0001

The purpose of Amendment 0001 is to incorporate

Government responses to questions received.

Offeror must acknowledge Amendment with quote package.

Due date and time remain unchanged.

United States Department of the Interior

NATIONAL PARK SERVICE

CONTRACTING OPERATIONS - CENTRAL

1849 C Street NW Washington, DC 20240

Solicitation #: 140P1526Q0014

Amendment #: 0001

GRCA Water & Wastewater Treatment Chemical BPA

Questions and Government Responses listed below:

Question # Question Answer/Response 1 Do you have delivery addresses for us to utilize when finalizing the bid?

1 Rowe Well Road

Grand Canyon, AZ 86023

2 Is it the expectation that the bidders provide every item requested?

Yes. It is the expectation that bidders provide pricing and availability for all items requested.

While the exact monthly quantities and specific chemical needs are not known at this time, all listed chemicals will be required.

3 Can I ask who the current supplier is? Hill Brothers Chemical Co.

4 HB104C 50-gal drum – Since this item is proprietary to one provider, is the government open to an alternate or equivalent material?

No, not unless it can be vetted by park operational staff

5 Magnesium Hydroxide 5-gal bucket – What concentration of the mag hydroxide does the government require? (i.e., 58%)

53-61%

6 Requesting that you provide the detailed product data sheets for Items 001, 002, and 003, including the exact chemical formulation and specifications for each. The current abbreviations listed are not sufficiently precise for us to make an accurate technical evaluation or recommendation.

HB104C is a blend of Aluminum Chloride and Quaternary Ammonium Homopolymer

SBS is Sodium Bisulfite (different concentrations.)

Sponsored by GSA FAR (48 CFR) 53.110