7385095 AMENDMENT 0005_Final.pdf

NAVFAC

SPECIFICATION

7385095 Replace Chillers, Building 4224

MCAS Cherry Point, NC AMENDMENT

#0005

IMPORTANT

This amendment should be acknowledged when your proposal is submitted. Failure to acknowledge the amendment may constitute grounds for rejection of the proposal.

If your proposal has been submitted prior to the receipt of this amendment, acknowledgement should be made by telegram, which should state whether the price contained in your proposal is to remain unchanged, is to be decreased by an amount, or is to be increased by an amount. The acknowledgement must be received prior to proposal opening time.

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT 1. CONTRACT ID CODE PAGE OF PAGES 1 3

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

0005 09/03/2025 7385095

6. ISSUED BY Code N40085 7. ADMINISTERED BY (If other than item 6.) Code

FEAD CHERRY POINT

PSC BOX 8006

CHERRY POINT, NC 28533

8. NAME AND ADDRESS OF CONTRACTOR (No., street, county, State and ZIP Code) 9A. AMENDMENT OF SOLICITATION Project Number 7385095 Replace Chillers, Building 4224

9B. DATED (SEE ITEM 11)

10A. MODIFICATION OF CONTRACT/ORDER NO.

10B. DATED (SEE ITEM 13)

CODE FACILITY CODE

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

The above numbered solicitation is amended as set forth in item 14. The hour and date specified for receipt of Offers is extended is not extended. 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 1 copy of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted; or (c) By separate letter or telegram 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 telegram or letter, provided each telegram or letter makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

12. ACCOUNTING AND APPROPRIATION DATA (if required)

13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS,

IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14.

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

CONTRACT ORDER NO. IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATION CHANGES (such as changes in paying office, appropriation date, 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)

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

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

AMENDMENT MUST BE ACKNOWLEDGED WITH YOUR PROPOSAL

Project Number 7385095 Replace Chillers, Building 4224, Marine Corps Air Station Cherry Point, NC

The date and the hour for the receipt of proposals remains 4 September 2025 no later than 12:00 pm (EDT).

See continuation pages.

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

15B. CONTRACTOR/OFFEROR (Same as Item 8) 15C. DATE SIGNED 16B. UNITED STATES OF AMERICA 16C. DATE SIGNED

BY

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

NSN 7540-01-152-8070 30-105 STANDARD FORM 30 (REV.1-83) 0224-3(10-90)

PREVIOUS EDITION UNUSABLE Prescribed by GSA

06/25/2025

Replace Chillers Building 4224 Amendment 0004 MCAS Cherry Point, North Carolina Project No. 7385095

Block 14. DESCRIPTION OF AMENDMENT (cont.)

A. This amendment provides responses to pre-proposal inquiries:

1. The plans call for an “inline, close coupled pump” but the details shows a base mounted, split case, close coupled pump with horizontal suction and discharge connections. The suction and discharge piping both immediately elbow upwards after the pump connections. Will a base mounted, split case, split coupled pump with vertical suction and discharge connections be acceptable? This will save floor space and cost as it will eliminate the need for suction diffusers and elbows. If a close coupled, base mounted, split case pump is required with either horizontal or vertical connections, please provide a basis of design. I cannot find any manufactures who make this style pump in the close coupled construction.

Response:

Provide an inline close couple pump with inertia base with a pump configuration with the motor mounted vertically on the pump. Reference revised NAVFAC Drawing 12892020, 12892022, and 12892023. Submit proposals in accordance with RFP, Specifications, Drawings and all amendments.

2. Sheet M-702 indicates that the existing digital control system will manage lead/lag control of the 2 new chillers. Simultaneously, it specifies that the new chillers will use their integral controllers to manage lead/lag control of the 3 new pumps. This dual-control approach introduces a risk of conflicting logic and operational inefficiencies. To ensure optimal performance and maintainability, we recommend implementing a single chiller plant management system that oversees the entire lead/lag sequence of operation for the chillers, pumps, and control valves. Please clarify the design intent for the chiller plant control system.

Response:

A single chiller plant management system that oversees the entire lead/lag sequence of operation for chiller, pumps, and control valves. Reference revised NAVFAC Drawing 12892026. Submit proposals in accordance with RFP, Specifications, Drawings and all amendments.

3. What are the warranty requirement for the air cooled chillers?

Response:

Reference Specification Section 01 78 00 CLOSEOUT SUBMITTALS Subsection

1.5.1 d. (6) and 01 78 32 OPERATION AND MAINTENANCE DATA Subsections

1.6.6.5 and 1.6.6.6. Submit proposals in accordance with RFP, Specifications, Drawings and all amendments.

B. This amendment incorporates the following attachments:

Replace Chillers Building 4224 Amendment 0004 MCAS Cherry Point, North Carolina Project No. 7385095

1. NAVFAC DWG NO. 12892020, 12892022, 12892023, and 12892026 as provided in the original RFP are deleted. They are replaced with NAVFAC DWG NO.

12892020, 12892022, 12892023, and 12892026 revised 09/02/2025.

C. All other contract terms and conditions remain unchanged.

Pg2 Amnd 0005 7385095