Sol_140P1526Q0018_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

140P1526Q0018

02/02/2026

02/02/2026

1 7

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

140P1526Q0018/0001

Updated SOW, all questions need to be resubmitted if still valid.

The Q&A period is extended to 2/12/26.

CS: dennis_zoltak@nps.gov

CO: Taylor_A_Jones@nps.gov

Period of Performance: 02/27/2026 to

04/17/2026

Statement of Work

Project Title:

Cleaning and Repair of Water Tanks at MOCA and TUZI

Project Location:

Tuzigoot National Monument, 25 West Tuzigoot Road, Clarkdale, AZ 86324

Date:

February 4, 2026

1. Objective

To ensure the continued safety, structural integrity, and water quality of two 50,000-gallon potable water storage tank through a comprehensive inspection, sediment removal, cleaning, and disinfection process. All work will be completed by dive teams without draining tanks.

2. Description of Work

2.1 Pre-Work Preparation

• Notify appropriate public health agencies (if required).

• Secure all required entry permits and approvals.

• Conduct pre-entry air quality assessment (oxygen, combustible gases, toxic vapors).

• Set up and breakdown of all equipment and preparation for safe diving services.

• Utilize diver decontamination procedures outlined in AWWA C652-standards for disinfection and facility preparation, application of disinfectant and sampling and testing.

Disinfect with a minimum of 200 ppm chlorine

• Set up confined space entry procedures with trained personnel and standby rescue.

2.2 Internal Inspection

• Inspect both tanks according to American Water Works Association (AWWA), NACE, SSPC, ASNT, ACI and AWS standards.

• Perform visual inspection of all internal tank components including:

o Floor, walls, roof o Seams, joints, access hatches, tank plumbing, fittings, joints, seams, panels and pipe penetrations o Interior coating/lining condition o Ladder and other appurtenances

• Check for evidence of:

o Corrosion o Coating deterioration (cracking, blistering, pitting) o Biological growth o Cracks or structural defects

• Use photographic/video documentation during inspection. Provide copies of all still photographs and video to the Contracting Officer’s Technical Representative (COTR).

• Document depth of sediment deposits in both tanks.

• Note any safety or structural concerns for repair recommendations.

2.3 External Inspection

• Inspect tank exterior and surrounding area:

o Shell, foundation, supports o Exterior coatings and corrosion o Roof, vents, overflow, access hatches, security fencing/gates

• Document findings with photographs and a written report.

2.4 Cleaning

• Ensure disinfection of all equipment with a minimum of 200 ppm chlorine.

• Remove all visible sediment (up to 3”), sludge, scale, and biological material from floors, ceiling and walls using mechanical or manual methods .

• Ensure safe, environmentally compliant removal of waste material.

• Collect and properly dispose of all wastewater and solids off-site in accordance with local regulations.

2.5 Water Testing

• Following removal of diver and all equipment from the tank, test water for total chlorine content to determine post dive chlorine content. Provide results to the Contracting Technical Representative.

3. Safety Requirements

• Comply with all AWWA and OSHA standards and requirements.

• Follow decontamination procedures identified in ANSI/AWWA C652-02.

• Provide trained personnel in confined space entry, rescue, and CPR/first aid.

• Air monitoring before diver entry.

• Use of PPE including gloves, respirators (if needed), protective suits, and fall protection.

• Lockout/tagout procedures for all inlets/outlets.

4. Deliverables

• Pre- and post-inspection reports with photographs, video and recommendations

• Cleaning and disinfection log sheets

• Bacteriological test results and certification of cleanliness

• Disposal records (if required by local authority)

• Post dive water test results.

• Punch list of deficiencies or required repairs

5. Timeline

• Estimated Duration: 2 days to complete testing and cleaning at both tanks.

• Target Completion: March 13, 2026

6. Roles & Responsibilities

Client Responsibilities:

• Provide safe access to the tank and site

• Coordinate water shutdown and backup supply

• Approve inspection and cleaning schedule

• Review and sign off on deliverables

Contractor Responsibilities:

• Execute inspection, cleaning, and disinfection safely and professionally

• Comply with all regulatory and safety standards

• Provide timely and complete documentation

• Ensure all work areas are restored to original condition upon completion

7. Standards & References

• AWWA C652 – Disinfection of Water-Storage Facilities

• OSHA 29 CFR 1910.146 – Confined Space Entry

• EPA Drinking Water Standards and applicable local codes

• Manufacturer's recommendations for tank maintenance

8. Work Locations

• Montezuma Castle National Monument 2800 Montezuma Castle Road Camp Verde, AZ 86322

• Tuzigoot National Monument 25 Tuzigoot Road Clarkdale, AZ 86324

Sponsored by GSA FAR (48 CFR) 53.110