Sol_140P5326R0010_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

Ashley Warcewicz

See continuation page

NPS, SER - North MABO 107 Park Headquarters Road Gatlinburg TN 37738

PSN

140P5326R0010

03/02/2026

03/02/2026

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

140P5326R0010/0001

Amendment 1 is issued to post site visit sign-in sheet, questions and answers, and revised Statement of Work. Due Date for proposals remains 3/30/2026 at 5pm EDT.

National Park Service (NPS) Mammoth Cave

National Park is issuing combined sol/synopsis for a requirement to Replace Visitor Center

Exterior Doors. This project includes the removal and replacement of six (6) sets of exterior double doors at the Mammoth Cave

National Park Visitor Center. New doors shall be commercial-grade aluminum-framed systems with thermally broken frames, bird-safe

IGUs, ADA automatic operators, and code-compliant hardware. Includes electrical wiring, sealing, disposal, weatherproofing, and restoration of affected finishes. Installation shall be coordinated to maintain public access and visitor safety.

Address: Visitor Center, 1 Mammoth Cave

Parkway, Mammoth Cave, KY 42259

TYPE OF CONTRACT: Firm Fixed Price

100% small business set-aside procurement.

The NAICS code is 238990 All other Specialty

Trade Contractors $19M

Period of Performance 180 days from NTP

SYSTEM FOR AWARD MANAGEMENT (SAM): Federal

Acquisition Regulations require that federal contractors register in the System for Award

Management (SAM) database at https://www.sam.gov and enter all mandatory information into the system. Award cannot be made until the contractor has registered.

Interested Offerors are encouraged to ensure that they are registered in SAM prior to submitting their quote. THESE REGISTRATIONS

WILL BE COMPLETED BEFORE TIME OF AWARD.

Questions cut-off date: 3/18/2026, 1PM EDT send via-email to Ashley_Warcewicz@nps.gov

Site Visit: Scheduled for March 17, 2026, at

Continued...

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

140P5326R0010/0001

9:00 AM Central Time at the Visitor Center,1

Mammoth Cave Parkway, Mammoth Cave, KY 42259.

Request for proposals closes 3/30/2026 at 5pm

EDT send via-email all proposals to

Ashley_Warcewicz@nps.gov

The contracting office will not provide hardcopies or email copies of solicitation.

No Phone calls, please.

Period of Performance: 04/01/2026 to

10/01/2026

Sponsored by GSA FAR (48 CFR) 53.110