697DCK-24-Q-00028_Amendment 0001.pdf

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

1. CONTRACT ID CODE

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

PAGE OF PAGES

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

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

CODE

9A. AMENDMENT OF SOLICITATION NO.

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

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 is extended, is not extended.

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.

(x) 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 THE AUTHORITY OF:

D. OTHER (Specify type of modification and authority) appropriation date, etc.) SET FORTH IN ITEM 14.

E. IMPORTANT: Contractor is not, is required to sign this document and return

ORDER NO. IN ITEM 10A.

1 1

0001 02/22/2024

FEDERAL AVIATION ADMINISTRATION

AAQ-500 - REGIONAL ACQUISITIONS

1701 COLUMBIA AVENUE

COLLEGE PARK GA 30337

AAQ510ATL-AFN

x

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

separate letter or telegram which includes a reference to the solicitation and amendment number. 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 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.

copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted ; or (c) By ___________ x x

697DCK-24-Q-00028

copies to the issuing office.

02/16/2024

(x)

Amendment 0001 is being issued to incorporate the below questions and answers into the

Request for Quote (RFQ).

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

15C. DATE SIGNED 16B. CONTRACT AUTHORITY 15B. CONTRACTOR/OFFEROR 16C. DATE SIGNED

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

Jacqueline T. Jones

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 .

Question 1) What is the rental start date?

Response 1) Chiller rental needs to start on April 6, 2024. The current chiller rental contract will expire on April 5, 2024.

Question 2) Will pumps need to be provided or will the existing pumps be used?

Response 2) Existing pumps will be used.

Question 3) What is the available amperage?

Response 3) 400A

Question 4) What will the operating temperature be?

Response 4) -20F to 95F Ambient.

Question 5) If you need supply hose, what footage and diameter is needed?

Response 5) 25ft 6” supply hose.

Question 6) If you need return hose, what footage and diameter is needed?

Response 6) 25ft 6” return hose.

Question 7) What is the desired GPM?

Response 7) 260 GPM

Question 8) The ratings of the chiller change as you get to lower temps such as -20, so I want to make sure I can provide you with the correct flow and chiller tonnage.

Response 8) Use flow and tonnages referenced in RFP and answered questions.

Question 9) What type of glycol is being used or will be used in this process?

Response 9) Proplyene Glycol.

Question 10) I saw an existing loop has 40%, I just need to know what type?

Response 10) 35% Propylene Glycol.

Question 11) Who is the current incumbent and the Award #?

Response 11) TRANE USA is the incumbent contractor; 697DCK-22-P-00020.

Question 12) Can we clarify the operating parameters for in/out temp and flow rates which is not provided? It reads like unit can operate at 95F but also in low ambient down to -20°F but seems unclear on the actual process temperatures. If we can clarify the in/out temp and flow rate I’ll have a better idea of our options.

Response 12) CHWS temperature is 44F and return is 54F flow rate is 260 GPM.