Sol_140P4325Q0061_Amd_0001.pdf

(x)

140P4325Q0061 x x

1 copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted ; or (c) By separate letter or electronic communication which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGEMENT 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.

x

Boston MA 02129-4543

PNN

Building I-1 Charlestown Navy Yard Boston National Historical Park

NPS, NER - NE MABO

07/01/20250001

13. THIS ITEM ONLY APPLIES TO MODIFICATION OF CONTRACTS/ORDERS. IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14.

12. ACCOUNTING AND APPROPRIATION DATA (If required) is not extended.is extended, Items 8 and 15, and returning

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

The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offers

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

FACILITY CODE CODE

10B. DATED (SEE ITEM 13)

10A. MODIFICATION OF CONTRACT/ORDER NO.

9B. DATED (SEE ITEM 11)

9A. AMENDMENT OF SOLICITATION NO.

CODE

8. NAME AND ADDRESS OF CONTRACTOR (No., street, county, State and ZIP Code)

7. ADMINISTERED BY (If other than Item 6)CODE 6. ISSUED BY

PAGE OF PAGES

4. REQUISITION/PURCHASE REQ. NO.3. EFFECTIVE DATE2. AMENDMENT/MODIFICATION NO. 5. PROJECT NO. (If applicable)

1. CONTRACT ID CODE

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

07/01/2025

CHECK ONE A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE CONTRACT

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority) appropriation data, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(b).

E. IMPORTANT: Contractor is not is required to sign this document and return __________________ copies to the issuing office.

ORDER NO. IN ITEM 10A.

14. DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

The purpose of this amendment is to respond to the requested RFIs. This amendment doesn't change the closing date of this solicitation.

1. Can you provide photos of the theater room and office space area where the current system is located at the THST visitor center? I don't have any photos available.

2. Are there existing as-built drawings or schematics for the current HVAC systems and ductwork? Yes. See attached 2007 HVAC plans.

3. For Option Bids, especially Option 3 (mini-split system), are there specific capacity or zoning requirements for the interpretation office? The office capacity is 6-8 employees. I

Continued ...

16A. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)15A. NAME AND TITLE OF SIGNER (Type or print)

15C. DATE SIGNED 16B. UNITED STATES OF AMERICA 15B. CONTRACTOR/OFFEROR 16C. DATE SIGNED

(Signature of person authorized to sign) (Signature of Contracting Officer)

Melvin Gartrell

STANDARD FORM 30 (REV. 11/2016)

Prescribed by GSA FAR (48 CFR) 53.243

Previous edition unusable

Except as provided herein, all terms and conditions of the document referenced in Item 9 A or 10A, as heretofore changed, remains unchanged and in full force and effect .

ITEM NO. SUPPLIES/SERVICES QUANTITY UNIT UNIT PRICE AMOUNT

NAME OF OFFEROR OR CONTRACTOR

2 3

CONTINUATION SHEET

REFERENCE NO. OF DOCUMENT BEING CONTINUED PAGE OF

(A) (B) (C) (D) (E) (F)

140P4325Q0061/0001 don't have any zoning requirements.

4. Are there any known asbestos-containing materials (ACM) or lead paint in mechanical rooms or ductwork that may affect removal or installation? There is no ACM or lead paint that will affect removal or installation.

5. What are the ceiling heights and access constraints at each install site (e.g., Theater, Lower Lobby at GEWA)? The HVAC equipment is location in the attic area of the theater and office area at Thomas Stone visitor center. Both areas have a pull-down stair access, ceiling in the attic is tall, no height constraints. The ceiling height in the THST office and theater is approximately 9-10 feet tall. There's no height or access constraints in the GEWA visitor center.

The lower lobby ceiling height is a sloped ceiling; it's approximately 14-18 tall. The theater ceiling height is approximately 12-15 tall.

6. What are the physical limitations of the staging areas? Is there secure on-site storage available for materials and tools? The park can provide an area for the contractor's storage

(i.e. shipping container or utility trailer). The park doesn't have room for an office trailer. The contractor is responsible for any tools, equipment and materials stored on site. The park is not responsible for anything stored on site.

7. Are there working elevators or lifts for moving equipment to different floors at GEWA?

There are no elevators or lifts at either site, GEWA or THST.

8. Is temporary HVAC or ventilation required during removal/replacement, especially in visitor-accessible areas? No temporary HVAC or ventilation is required during the removal/replacement of equipment.

9. Can we confirm the SEER rating requirement for all new units is 15 SEER or greater, and if any location-specific standards exceed this? New heat pump units shall 15 SEER or greater. No location exceeds this.

Period of Performance: 08/04/2025 to 10/03/2025

Continued ...

NSN 7540-01-152-8067 OPTIONAL FORM 336 (4-86)

Sponsored by GSA

FAR (48 CFR) 53.110

ITEM NO. SUPPLIES/SERVICES QUANTITY UNIT UNIT PRICE AMOUNT

NAME OF OFFEROR OR CONTRACTOR

3 3

CONTINUATION SHEET

REFERENCE NO. OF DOCUMENT BEING CONTINUED PAGE OF

(A) (B) (C) (D) (E) (F)

140P4325Q0061/0001

NSN 7540-01-152-8067 OPTIONAL FORM 336 (4-86)

Sponsored by GSA

FAR (48 CFR) 53.110