Amendment 0001 7241766.pdf

7241766 Replace Rooftop Units Building

MCAS Cherry Point, NC

AMENDMENT #0001

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.

NAVFAC

SPECIFICATION

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

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

0001 12/22/2025 7241766

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

CG MCAS Cherry Point

FACILITIES, ROICC

B-87, 748 Roosevelt Blvd.

PSC BOX 8006

CHERRY POINT, NC 28533

8. NAME AND ADDRESS OF CONTRACTOR (No., street, county, State and ZIP Code) 9A. AMENDMENT OF SOLICITATION

9B. DATED (SEE ITEM 11)

AMENDMENT MUST BE ACKNOWLEDGED WITH YOUR PROPOSAL 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.)

7241766 Replace Rooftop Units Building 87, Marine Corps Air Station Cherry Point, NC Amendment 0001 is being issued to provide RFI responses, revise document 00 01 15 1.2 and reference supplementary

NAVFAC Drawings 12782496,12782509 and 12913249.

The new proposal due date is January 6, 2026 at 12:00 PM local time.

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

Generator and ATS Replacement, AirOps

1. Can the contractor requested model and serial numbers for the existing RTU’s to match curb adapters for the new equipment to be provided under the subject solicitation.

Response: RTU-1 Model Number is SSHLF30ECC47C69CD9001A0WE0##0L00RT0Y8600.

RTU-1 Serial Number is C10K04990. RTU-2 Model number is SSHLF40EEC46AD9001A0WE0##0L00RT0Y8600. RTU-2 Serial Number is C10K04991.

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

2. On plan sheet M-111 General Note 3 the contractor is to verify the existing roof truss members don’t have any deterioration. During the site visit we were unable to look at the trusses. Is there an attic that we can go into to verify the trusses for damage? Can another walk-through be scheduled to inspect the trusses and existing ceiling conditions?

Response: Access to trusses to verify damage is through a suspended ceiling. Reference revised Specification Section 00 01 15. Reference supplementary NAVFAC Drawings 12782496 and 12782509. Submit proposals in accordance with RFP, Specifications, Drawings and all amendments.

3. On plan sheet ED130, the contractor is to remove the existing conduits and homerun back to the panel MDP. Can a reflective ceiling plan be provided for reference of the existing conditions in the areas of work?

Response: Reference revised Specification Section 00 01 15. Reference supplementary NAVFAC Drawing 12782509. Submit proposals in accordance with RFP, Specifications, Drawings and all amendments.

4. The morning warm up sequence calls for the “compressor settings shall adjust as needed to continue temperature increase”. Can you confirm if the unit is a heat pump or a cooling only unit? If the unit is a heat pump, can you please provide the required performance?

Response: RTU-1 and RTU-2 are cooling only units. Reference NAVFAC Drawing 12913251, Packaged Rooftop Unit Schedule. Submit proposals in accordance with RFP, Specifications, Drawings and all amendments.

5. The existing roof curb looks to be about 24” above the finished roof. Curb adaptors for RTUs can easily add an additional 24” in height. This would make the new unit 48” above the finished roof. Can the existing curb be demolished and replaced with a new curb? If not, is there a requirement for a maintenance platform to be provided?

Response: Re-use existing curb if possible or provide specified curb adaptor to existing roof curbs not to exceed 48 inches in height. Reference revised NAVFAC Drawing 12913249. Submit proposals in accordance with RFP, Specifications, Drawings and all amendments.

6. Plan Sheet MD111, Note 1 demolish equipment support. Can this roof rail remain as is? The existing roof is in terrible shape and it may be best not to compromise it. See attached pictures.

Response: Reference revised NAVFAC Drawing 12913248. Submit proposals in accordance with RFP, Specifications, Drawings and all amendments.

7. Plan Sheet M-00, General Note 3, Where a product is submitted that is not the basis of design the impact of cost shall be included in the contractors price and not passed on to the owner. Please provide the basis of design.

Response: Basis of Design is AAON RNA-040-D-A-8-HABJB-00000: 00-0AGAM-F00-

00000-ABCBJ-DC-CB0-A-00-00-0-AZ0-EM-DA0A-00-000-A00A00-C0000F-000000B.

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

8. The bid date is December 29, 2025 at 12:00 pm. I am requesting that the bid date be moved until after the first of the year. Most contractors and vendors are off during the Christmas and the New Year Holidays (many travel to see family). For instance, Our office is closed from December 23 to January 5th. Please review and advise.

Response: The proposal due date will be extended to Tuesday, January 6, 2026 via this amendment.

9. Note 1 on sheet M-111 states to adjust ductwork and connect to the new unit and test the ductwork to the unit for leaks. The existing unit is on a curb that acts as a plenum from the unit to the duct below the curb so there is no ductwork in between. Is this acceptable to go back with a unit that the existing curb will act as a plenum, or are we to install duct through the curb to the unit?

Response: Reference NAVFAC Drawing 12913249 Sheet Keynotes 1 and 2. Submit proposals in accordance with RFP, Specifications, Drawings and all amendments.

Replace Both Rooftop Units Building 87 7242175 MCAS Cherry Point, NC

DOCUMENT 00 01 15

LIST OF DRAWINGS

02/24

PART 1 GENERAL

1.1 SUMMARY

This section lists the drawings for the project pursuant to contract clause "DFARS 252.236-7001, Contract Drawings and Specifications."

1.2 CONTRACT DRAWINGS

<CTR>SHEET LIST</CTR>

NAVFAC NUMBER SHEET NUMBER SHEET NAME

GENERAL

12913246 G-001 COVER SHEET AND DRAWING

MECHANICAL

12913247 M-001 ABBREVIATIONS, LEGEND

AND GENERAL NOTES

12913248 MD111 MECHANICAL ROOF PLAN -

12913249 M-111 MECHANICAL ROOF PLAN -

NEW WORK

12913250 M-501 DETAILS

12913251 M-601 SCHEDULES

12913252 M-701 CONTROLS

12913253 M-702 CONTROLS

ELECTRICAL

12913254 E-001 LEGEND

12913255 E-002 GENERAL NOTES

12913256 ED130 ELECTRICAL ROOF PLAN -

DEMOLITION

12913257 EP110 LEVEL 1 - POWER PLAN

12913258 EP130 ELECTRICAL ROOF PLAN

12913259 EP410 ENLARGED PLANS

12913260 EP601 POWER ONE LINE DIAGRAMS

12913261 EP701 PANEL SCHEDULE

DOCUMENT 00 01 15 Page 1 12/19/25

Replace Both Rooftop Units Building 87 7242175 MCAS Cherry Point, NC

1.3 SUPPLEMENTARY DRAWINGS

These supplementary drawings may not be a part of the contract but are included with the drawings for information.

1.3.1 Reference Drawings

The following reference drawings are intended only to show the original construction. Drawing are the property of the Government and shall not be used for any purpose other than that intended by the contract. The drawings are half-size. Full-size drawings are available at the bidder's or Contractor's expense.

NAVFAC DWG NO. TITLE

12782496 ROOF FRAMING PLAN

12782509 REFLECTED CEILING PLAN,

BUILDING 87

-- End of Document --

DOCUMENT 00 01 15 Page 2 12/19/25 nicholas.a.hall Callout Two (2) New 4" diameter steel posts on top of New W10X22 to roof deck supporting HVAC equipment.

nicholas.a.hall Callout Existing 4' diameter steel post from slab to roof deck supporting HVAC equipment.

nicholas.a.hall Callout Existing 4" diameter steel post from slab to roof deck supporting HVAC equipment.

nicholas.a.hall Callout New 4" diameter steel pipe welded to top of new W10x 22 to roof deck supporting HVAC equipment.

nicholas.a.hall Callout Existing 4" diameter steel pipe from slab to roof deck supporting HVAC equipment.

nicholas.a.hall Callout Existing 4" diameter steel pipe from slab to roof deck supporting HVAC equipment.

RTU-1

RTU-2

B C D E F G H J

(E)1 1/2"CD

(E) ROOF CURB

(E) ROOF CURB(E) 68x27 SA DN

(E) 69x42 RA DN

THRU ROOF

THRU ROOF

(E) 69x34 RA DN

(E) 68x27 SA DN

(E)1 1/2"CD

THRU ROOF

THRU ROOF

65x46 SA 91x25 RA

65x46 SA

91x25 RA

OPENING OPENING

OPENING

OPENING

04'8' 16' 24'8'

GRAPHIC SCALE: 1/8"GRAPHIC SCALE: = 1'-0"

SATISFACTORY TO DATE

APPROVED

ACTIVITY

FOR COMMANDER NAVFAC

SEAL

A/E INFO

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SCALE:

MAXIMO WORKORDER NO:

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NAVFAC DRAWING NO.

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BRANCH MANAGER

CHIEF ENG/ARCH

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SIGNED FINAL

NICHOLAS A. HALL

NICHOLAS A. HALL

PATRICK FAULKNER

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12913249

GENERAL SHEET NOTES

1 CONNECT NEW CONDENSATE DRAINS TO EXISTING

CONDENSATE PIPING, MAINTAINING 1/8" PER FOOT SLOPE.

2 RE-USE EXISTING CURB OR PROVIDE SPECIFIED CURB ADAPTORS TO

EXISTING ROOF CURB NOT TO EXCEED TOTAL HEIGHT OF 48".

3 CONTRACTOR TO VERIFY THE EXISTING TIMBER ROOF

TRUSS MEMBERS FOR DETERIORATION. SEE SCHEDULE

FOR EXACT UNIT WEIGHTS.

SCALE: 1/8" = 1'-0"M-111

MECHANICAL ROOF PLANA1

SHEET KEYNOTES

1 CONNECT RTU SUPPLY TO EXISTING 69x34 SUPPLY AIR

DUCT AND RTU RETURN TO EXISTING 68x27 RETURN AIR

DUCT. FIELD ADJUST DUCTWORK TO CONNECT TO NEW

RTU. TEST DUCTWORK CONNECTION FOR LEAKAGE

2 CONNECT RTU SUPPLY TO EXISTING 68x27 SUPPLY AIR DUCT AND RTU RETURN TO EXISTING 69x42 RETURN AIR

DUCT. FIELD ADJUST DUCTWORK TO CONNECT TO NEW

RTU. TEST DUCTWORK CONNECTION FOR LEAKAGE.

3 REMOVE SUPPLY DUCT SMOKE DETECTORS AND REPLACE

LIKE-IN-KIND. RECONNECT AS REQUIRED TO EXSITING

FIRE ALARM AND DDC CONTROLS.

4 DURING INSTALLATION AND ALIGNMENT OF NEW

EQUIPMENT ON EXISTING PAD, ENSURE THE EDGE OF THE

EQUIPMENT IS A MINIMUM OF 10'-0" FROM THE EDGE OF

THE BUILDING ROOF.

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04/30/2025

REVISION DATE:

12/19/25 nicholas.a.hall Polygon

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