Sol_140P1526Q0018_Amd_0002.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

140P1526Q0018

02/02/2026

02/02/2026

1 10

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

140P1526Q0018/0002

Q&A attached. Q&A period is now over.

CS: dennis_zoltak@nps.gov

CO: Taylor_A_Jones@nps.gov

Period of Performance: 02/27/2026 to

04/17/2026

Solicitation #: 140P1526Q0018

Amendment #: 00002

INSPECT AND CLEAN MOCA/TUZI WATER TANKS

Questions and Answers listed below:

QUESTIONS:

Question # Question Answer/Response

1. Could you provide the specific diameter and height

(or length/width) for the 50,000-gallon tanks at both locations?

dimensions of each tank (pricing is based on square footage of the tank floors)

The Montezuma Castle tank is 30' (diameter) and the Tuzigoot Tank is 22' x 44'.

2. Are the tanks welded steel, bolted steel, concrete, or another material?

The Tuzigoot tank is concrete, below ground and the MOCA tank is steel welded and partially below grade.

3. Is there any external insulation on the tanks?

Additionally, are there specific cathodic protection systems we should be prepared to inspect?

The Montezuma Castle tank has a cathodic protection system.

4. For the internal dive inspections, could you confirm the size and location (side-shell or roof) of the primary access hatches?

Access hatches for both tanks are on the roof. The Tuzigoot hatch is 34" x 34". The Montezuma Castle hatch is 24"x24".

Montezuma Castle is 10 feet tall and has an exterior stairway.

5. Does the park have a designated area for the disposal of sediment/wash water, or is the contractor required to haul all waste off-site?

Disposal requirements for sediment removed from the tanks

Wastewater and solids from both tanks should be disposed of at the Montezuma Castle National Monument sewage lagoons.

6. Could you provide pictures of Tanks and Areas Surrounding?

See attached

7. Can you please provide drawings and pictures of the two tanks.

See attached

8. Clarification on temporary water requirements, including turnover rate and volume needed at each

No temporary water requirements for either park unit.

location

9. Will the tank be full or empty while inspection and sediment is being removed. SOW states in one area to fill and disinfect and in the section after states to drain.

The tanks will be full during inspection and cleaning.

Tuzigoot Tank

Montezuma Castle Tank

Gravel Service Road

Figure 1. Overview of Tuzigoot Tank.

Figure 2. Tuzigoot hatchway.

Figure 3. Overview of Montezuma Castle tank.

Figure 4. Montezuma Castle service road.

Montezuma Castle hatchway.

Sponsored by GSA FAR (48 CFR) 53.110