Sol_140P4326Q0002_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

Jason Albright

See continuation page

NPS, NER - NE MABO

Boston National Historical Park Charlestown Navy Yard Building I-1 Boston MA 02129-4543

PNN

140P4326Q0002

01/21/2026

01/09/2026

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

140P4326Q0002/0002

Salem Maritime National Historical Park Visitor

Center HVAC RTU Replacement

The purpose of this amendment is to provide a response to all questions received, and to provide the list of attendees to the second organized pre-bid site-visit, conducted on

January 20, 2026.

Therefore:

1. A response to all questions received is incorporated into this Amendment.

2. List of attendees to the January 20, 2026, site-visit is attached.

Period of Performance: 01/30/2026 to

05/30/2026

Request for Quote Number 140P4326Q0002 Page 3 of 7 Replace HVAC Roof Top Unit (RTU) at the Visitor Center for Salem Maritime National Historical Park Amendment 0002 – Request for Information (RFI) Responses

DESCRIPTION OF AMENDMENT/MODIFICATION

The following are a list of questions received for the Solicitation Number 140P432CR0002, Replace HVAC Roof Top Unit (RTU) at the Visitor Center for Salem Maritime National Historical Park.

A. Ductwork & Insulation

1. Is replacement or repair of existing duct insulation included in the scope?

Answer: No. Existing duct insulation to remain.

2. Should the existing duct system be air balanced after the RTU replacement?

Answer: Yes. The existing duct system is to be air balanced after RTU replacement.

3. Is cleaning of the existing ductwork required as part of this project?

Answer: No. Cleaning existing ductwork is not part of this project.

4. Are damaged exterior ductwork dampers to be replaced under this scope?

Answer: Yes. Damaged exterior ductwork dampers are to be replaced.

5. Are there any drawings of the existing VAV boxes?

Answer: No. As-built drawings are not available.

6. Do drawings show the desired CFM for each box?

Answer: As-built drawings are not available.

7. Do you want fuses balanced for the VAV

Answer: Yes

B. Controls

8. What type of control system is currently installed?

Answer: Current controls consist of a thermostat in office off the main room.

9. What type of control system is being specified or preferred for the new RTU (existing controls, new standalone, or integration with BAS)?

Answer: Contractor shall provide a new standalone control to be located in a more appropriate location. New control needs to be tamper proof.

Request for Quote Number 140P4326Q0002 Page 4 of 7

10. Is there a temperature control contractor on site to disconnect and reconnect to the new unit, or will that need to be provided by the vendor?

Answer: Vendor must supply

C. Electrical

11. Is a new electrical disconnect required for the RTU?

Answer: No. We anticipate the existing disconnect is adequate

12. Is there an existing service outlet at the unit, or is a new service outlet to be provided by the contractor?

Answer: There is an existing service outlet at the unit.

13. What is the available electrical capacity at the electrical panel that the current RTU is wired to?

Answer: Electrical panel is located in the basement. Panel D1 800A, 120V/208V, 3 PH, 4 Wire

C. Permits & Labor

14. Are permits required for this work, and if so, who will be responsible for obtaining them?

Answer: No.

15. Can all work be performed on straight time, or are there schedule or after-hours restrictions?

Answer: Work should be performed on straight time. However, after-hours work is possible if necessary, in coordination with park staff.

E. Access & Logistics

16. Where is the designated location for ladder or equipment set up to access the roof?

Answer: Ladder access and equipment set-up should be in the parking lot on the east side of the building. There will be space for crane, limited lay-down area, and minimal parking (1 or 2 vehicles). Closure of parking lot will need to be coordinated with Peabody Essex Museum (PEM) at least one week in advance.

Request for Quote Number 140P4326Q0002 Page 5 of 7

17. Are there any access limitations or special requirements we should be aware of?

Answer: The RTU is located on top of the portion of the building controlled by the PEM. Contractor must be escorted through the PEM space. PEM staff will escort the contractor through the building to the roof and will stay on the roof with the contractor.

18. Will there be another time for a walk-thru if a vendor was not able to attend the first one?

Answer: In accordance with Amendment 0001, dated January 15, 2026, a second organized site-visit was scheduled for January 20, 2026, at 10:00 am ET.

F. Portable Heater Bid Option

19. Is the portable heater to be installed permanently or will it be removed after the RTU is in place.

Answer: The portable heater will be removed after the RTU is in place.

However, the park will retain ownership of the heater, so rental is not an option.

G. Proposal and Submissions

20. Will the submission deadline be extended?

Answer: Due to scheduling restrictions, the deadline for receipt of offers will not be extended.

21. Please clarify besides the 1449, pricing and technical statement what we need to submit with our proposal.

Answer: Proposal contents shall include a signed SF1449, technical, past performance, and price related items listed in Clause 52.212-2 Evaluation

– Commercial Products and Commercial Services within the solicitation, and a completed copy of the provision 52.212-3 – Offeror Representations and Certifications - Commercial Items.

Sponsored by GSA FAR (48 CFR) 53.110