Amendment 01.pdf

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Attached to
Lindberg Field ATCT Heat Pump and AHU Replacement
Solicitation number
697DCK-23-R-00269
Issued by

About this file

This document contains an amendment to a solicitation for the replacement of heat pumps and air handling units at the Lindbergh Field Air Traffic Control Tower in San Diego, California. The scope of work includes demolishing and replacing two existing heat pumps and two air handling units with similar updated units of the same capacity utilizing R-410A refrigerant. Additional work includes installing disconnects, replacing controls and associated wiring, replacing a cab thermostat and installing a remote temperature sensor, removing and reinstalling two louvers, demolishing and replacing dampers and actuators, and adding or reusing ducts per SMACNA standards. A question was received regarding crane access through louver openings to remove old equipment, requiring contractors to submit a means and methods plan for equipment removal using a boom lift, telehandler, swing stage or other approved methods due to walkway obstructions.

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Other files

File Type Posted
Amendment 02.pdf PDF
SAN Specification.Rev 12.19.2022.pdf PDF
SAN ATCT Cab HVAC and Electrical set.pdf PDF
DB.pdf PDF
697DCK-23-R-00269 (4).pdf PDF
Past Performance Survey on 697DCK-23-R-00269.pdf PDF

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AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

1. CONTRACT ID CODE

5. PROJECT NO. (If applicable)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

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 2

2. AMENDMENT/MODIFICATION

NO. 0001 03/31/2023

FEDERAL AVIATION ADMINISTRATION

AAQ-500 - REGIONAL ACQUISITIONS

2200 S. 216TH STREET

DES MOINES WA 98198-6547

AAQ530ANM-AFN

x 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 ___________ 1 x x

9A. AMENDMENT OF SOLICITATION

NO.697DCK-23-R-00269

1 copies to the issuing office.

9B. DATED (SEE ITEM 11)

03/09/2023

(x)

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)

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

The following is hereby added tot he subject RFO:

Answer to received question: See attached

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 .

Q. Below are excerpts from the Specifications

C. The following items are strictly prohibited on the faculty: 1.

Any unsafe act. 2. Explosives. 3. Pets or animals. 4. Blocking facility driveways or entrances. 5. Allowing fumes or odors from the work to enter the facility. 6. Working on energized electrical circuits. 7. Fires or burning.SAN DIEGO ATCT

(SAN) NOVEMBER 15, 2022 CAB HVAC REPLACEMENT

100% DESIGN REVIEW SUBMITTAL SAN DIEGO,

CALIFORNIA WORK RESTRICTIONS 01 14 00 - 5 8. Use of forklifts, manlifts, loaders or other self-propelled equipment unless equipped with a fire extinguisher

If this refers to crane, how can we bring down the old units and bring up the new ones?

I think about using the louver opening but, honestly, I can not picture how to do it?

A: Two louvers on the cable access level and eighth floor need to be removed to have an access path for removing equipment. Contractor shall submit a “means and methods plan” for removing equipment. They can use boom lift, telehandler, swing stage or any other methods.

Crane will be a little bit challenging as there is a walkway above louver.

File details come from the government source that posted it. Updated .