Amendment W912WJ25QA040-0004.pdf

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

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.

12. ACCOUNTING AND APPROPRIATION DATA (If required)

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)

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

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

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.

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

15B. CONTRACTOR/OFFEROR

(Signature of person authorized to sign)

15C. DATE SIGNED 16B. UNITED STATES OF AMERICA

(Signature of Contracting Officer)

16C. DATE SIGNED

Previous edition unusable STANDARD FORM 30 (REV. 11/2016) Prescribed by GSA FAR (48 CFR) 53.243

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

2. AMENDMENT/MODIFICATION NUMBER 3. EFFECTIVE DATE 4. REQUISITION/PURCHASE REQUISITION NUMBER 5. PROJECT NUMBER (If applicable)

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

8. NAME AND ADDRESS OF CONTRACTOR (Number, street, county, State and ZIP Code) (X) 9A. AMENDMENT OF SOLICITATION NUMBER

9B. DATED (SEE ITEM 11)

10A. MODIFICATION OF CONTRACT/ORDER NUMBER

10B. DATED (SEE ITEM 13)

CODE FACILITY CODE

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SUMMARY OF CHANGES

Section A - Solicitation/Contract Form

The following changes have been made:

Miscellaneous text in this section has been modified to:

SITE VISIT ATTENDEE LIST:

NAME COMPANY

Bob Delamare Dome Construction William May Trident Waterproofing Cheryl Rachupka R&V Contracting Inc Richard Vena R&V Contracting Inc Henri Bunolo The Aulson Company Brian Ferreira Econ Electrical Jeffrey Perky Centimark Michael Cabral Centimark Neil Aexis Cornerstone

REQUEST FOR INFORMATION

Question 1: Who is the incumbent?

Response 1: This is a new requirement. As such, there is not an incumbent.

Question 2: What is the past contract award number?

Response 2: See response above.

Question 3: Has a budget been approved for this contract?

Response 3: The Government does not provide information on budget. The only information provided is the magnitude of construction, which is included in section I of the solicitation.

W912WJ25QA0400004

Question 4: Is there a scheduled site visit day, date and time?

Response 4: Information is provided in section L of the solicitation. Please reference provision 52.236- 27 Alt I.

Question 5: Do you have the pricing template in an Excel, pdf, or another form to submit in clean format?

Response 5: Pricing shall be completed on the solicitation document, SF18, in the included block on page 4 and submitted as such to the Government.

Question 6: Is perimeter netting required during demolition?

Response 6: The scope of work requires Contractors to contain debris during demolition. The exact means and methods of debris containment shall be selected by contractors. Perimeter netting may be used but is not specifically required.

Question 7: Can the Contractor temporarily park vehicles next to garage bay door during demolition and to deliver materials?

Response 7: Yes, the area next to the garage can be used temporarily each day. Area shall be cleared each night and as requested by government staff.

Question 8: After demolition down to the concrete deck, can the Government clarify if a concrete sealer and vapor barrier is required?

Response 8: Yes, please refer to revised Figure 5 and revised Statement of Work. Revised FIGURE 5 which has a note added to clarify the requirement for the concrete deck to receive a two-component, liquid-applied urethane coating to form a tough elastomeric water-resistant coating able to bridge cracks followed by application of a membrane vapor barrier.

Question 9: Are mechanical fasteners acceptable to install into the 5" concrete deck?

Response 9: Yes.

Question 10: Can the Government clarify the basis of design for the expected roof system layers?

Response 10: Basis of design for roof layers includes primer/sealer coat on bare concrete deck, membrane vapor barrier, tapered insulation mechanically fastened into the concrete deck, 1/2" cover board fully adhered to the insulation followed by PVC layer fully adhered to the cover board.

Question 11: The existing 24"x 32" Chimney on the lower roof appears to have some cracks in the blocks and may be vulnerable to water intrusion. Does the Government want to address the chimney in the contract?

Response 11: The Government will have the chimney blocks repointed outside of the contract prior to the Contractors mobilization. Please refer to revised Figure 5 and revised Statement of Work. Revised FIGURE 5 has a note added to require that the chimney be waterproofed and sealed with a two-component, liquid-applied urethane coating to form a tough elastomeric liner able to bridge cracks.

Coating shall extend from the base up to the existing cap, color shall be white.

Question 12: There are eight concrete raised curbs for equipment on the roofs could be vulnerable to water intrusion. Does the Government want to address the equipment curbs in the contract?

Response 12: Yes, please refer to revised Figure 5 and revised Statement of Work. Revised FIGURE 5 has a note added to require that all eight concrete curbs to be coated with a two-component, liquid-applied urethane high performance coating that cures in hours to form a tough, flexible elastomeric surface able to bridge cracks. Color shall be white.

Question 13: On the upper roof, there are numerous conduits, railings and the ladder that could potentially limit the thickness of the insulation layer. Will the Government accept less than the required R30 value of insulation on the upper roof if limited by existing equipment?

Response 13: Yes, as long as the minimum drainage slope of 1/8" per foot requirement is met.

Question 14: Are all the existing roof penetrations needed?

Response 14: There are two existing 4" diameter penetrations that are not needed in the future. Please refer to revised Figure 5 and revised Statement of Work. Revised Figure 5 has a note added to require that these two existing penetrations on the upper roof be filled. The Government will remove any existing cables in these penetrations prior to Contractor mobilization.

Question 15: Is a vapor barrier required? If yes, can you confirm the type and thickness?

Response 15: Please refer to previous responses and the revised Statement of Work. A vapor barrier is required. Type is included in the solicitation documents. Vapor barrier shall have a minimum thickness of 15 mils.

Question 16: Is cover board included? If included, is it 1/2" or 5/8".

Response 16: Specifications for cover board are included in the responses to previous questions and the revised Statement of Work.

Question 17: What is the minimum R-value for insulation?

Response 17: Minimum R-value is included in the Statement of Work and responses are included in previous questions.

Question 18: What is the tapered insulation slope? 1/4" per foot.

Response 18: Taper requirements are included in the Statement of Work.

KO CONTRACTING DIVISION, 696 VIRGINIA ROAD

CONCORD, MA 01742-2751

UNITED STATES

JENNIFER SAMELA, EMAIL: JENNIFER.M.SAMELA@USACE.ARMY.MIL TELEPHONE: 978-318-8324

AdminBy:

SCD: PAS:

CLOSING REMAINS JULY 3, 2025 AT 5:00 PM EASTERN.

ALL OTHER TERMS AND CONDITIONS REMAIN UNCHANGED.