Amendment 0006.pdf

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

1. CONTRACT ID CODE

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

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

STANDARD FORM 30 (REV. 10-83)

Prescribed by GSA FAR (48 CFR) 53.243

FACILITY CODE

9A. AMENDMENT OF SOLICIATION NO.

9B. DATED (SEE ITEM 11)

10A. MODIFICATION OF CONTRACT/ORDER NO.

10B. DATED (SEE ITEM 11)

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 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 your 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 APPROPIRATION DATA (If required)

13. THIS ITEM ONLY APPLIES TO MODIFICATION OF CONTRACTS/ORDERS.

IT MODIFIES THE CONTRACT/ORDER NO. 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

NO. IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE 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 copies to the issuing office.

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.

15C. DATE SIGNED

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

16C. DATE SIGNED

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

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

PAGE OF PAGES

6. ISSUED BY CODE

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

CODE

15B. CONTRACTOR/OFFEROR

(Signature of person authorized to sign)

16B. UNITED STATES OF AMERICA

(Signature of Contracting Officer)

NSN 7540-01-152-8070

Previous edition unusable

1 3

AMENDMENT NO. 0006 08/24/26 24-0045

N40085

NAVFAC Mid-Atlantic Resident Officer in Charge of Construction 1107A Birch Street Camp Lejeune, NC 28547-2521

See Item 6

✘ N40085-26-R-9077

07/31/26

24-0045, WWTP FC436 Clarifier Repairs and G575 Lift Station Repairs Amendment 0006, Answering RFIs.

The time and date for receipt of proposals remains August 31, 2026 at 2:00 PM EST.

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

See Continuation Page(s)

N40085-26-R-9077 Amendment 0006

CONTINUATION SHEET

1. QUESTION: Xylem recommends replacing the grout as part of the clarifier installation.

This was discussed with Dewberry during our March 2026 meeting and is noted on Drawing CD201.

ANSWER: Grouting should be replaced and is intended to be part of the project. Spec 46 43 21 section 3.2 describes the grouting procedure.

2. QUESTION: LiDAR scanning is Xylem's preferred method for verifying existing tank dimensions. The grout layer is a standard installation requirement that provides the finished floor profile needed to maintain proper clearance between the Unitube suction header and the tank floor. While the LiDAR scan will verify the overall tank geometry, localized variations in the existing grout surface may exceed the manufacturing tolerances of the suction header.

ANSWER: It’s unclear if the KTR are asking if they need to regrout prior to scanning, vs the grout needs to be just chipped before scanning, or if they are just giving a general disclaimer that their measurements won’t be perfectly exact. Regardless, the grout must be replaced. The exact specifics of how they regrout the tank is means and methods.

3. QUESTION: If grout replacement is not feasible, the Contractor should be prepared to add grout in low areas and grind high spots as required to achieve the proper floor profile and ensure optimal sludge removal. Xylem does not recommend trimming the neoprene squeegee below the suction header.

ANSWER: N/A, grout must be replaced.

4. QUESTION: I share the contractor’s concern regarding the 270-day schedule requirement, although I haven’t been able to verify that requirement in the bid docs. We are still developing a project-specific lead time estimate, but our current assumptions are 14 weeks for submittals following final agreement, 4 weeks for Engineer review, and 24 weeks for fabrication after submittal approval. Based on these assumptions, shipment would occur approximately 294 days after final agreement and does not include contract negotiations or installation. A 270-day schedule does not seem achievable, so can the schedule be reasonably extended?

ANSWER: Allow 365 days.

5. QUESTION: Xylem intends to provide clarifier components with shop-primed structural steel. Section 09 96 00 specifies a two-component catalyzed epoxy primer for non-immersed carbon steel and a two-component glass-flake-reinforced amine epoxy primer for immersed carbon steel. The previous rehab of Clarifiers 1-3 utilized Tnemec FC20 as the shop primer.

Since FC20 has been discontinued and replaced by Tnemec N140F, Xylem intends to use Tnemec N140F as the shop primer for this project. Can the Engineer confirm that this approach is acceptable?

ANSWER: Updated shop primer is acceptable

6. All other terms and conditions remain unchanged.