W912P525RA001 A0007 SF 30_Final_15July2025.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

PROJECT: Chickamauga Lock Approach Wall Block 14 (Description of Amendment/Modification):

and Decommissioning PURPOSE: The purpose of this Amendment is to:

1) Provide updated Technical Plans and Specifications, and updated Price Schedule.

2) Provide Government answers to questions received from Industry in Projnet Bidder Inquiry.

3) Update DFARS Clause 252.236-7001, Contract Drawings and Specifications.

4) Update FAR Provision 52.252-3, Alterations in Solicitation.

The deadline for receipt of proposals has not been extended and remains 01 August 2025 at 11:00AM Central Time.

Section 00 01 15 - List of Drawing Sheets

The attachments table has changed from:

Identifier Document Name Document Description Reference Identifier

Date Line Item Page Numbers

Document Type

Provided Under Separate Cover

Instructions to Offerors, Procedures for Submission of Offerors & Proposal Evaluation Approach_REV2

Instructions to Offerors and Procedures for Submission of Offerors and Proposal Evaluation Approach

03 Feb 2025 30 Attachment No

DBA WD

TN20250145

03Jan2025 (Hamilton County, TN Heavy Construction)

Wage Determination 03 Jan 2025 5 Attachment No

CKL Approach Wall and Decommissioning Price Schedule_11J

UNE2025

Price Breakout Schedule 11 Jun 2025 4 Attachment No

W912P525RA001

Amendment 0001 Changes_20Feb2025

Amendment 0001 Summary of Changes 14 Feb 2025 1 Attachment No

W912P525RA001

Amendment 0003 Changes_Updated

28MAR2025

Amendment 0003 Summary of Changes 28 Mar 2025 3 Attachment No

W912P525RA001

Amendment 0004 C hanges_29Apr2025

Amendment 0004 Summary of Changes 29 Apr 2025 3 Attachment No

W912P525RA001

Amendment 0006 Changes_11Jun2025

Amendment 0006 Summary of Changes 11 Jun 2025 Attachment No

To:

Identifier Document Name Document Description Reference Identifier

Date Line Item Page Numbers

Document Type

Provided Under Separate Cover

Instructions to Offerors, W912P525RA0010007

Procedures for Submission of Offerors & Proposal Evaluation Approach_REV2

Instructions to Offerors and Procedures for Submission of Offerors and Proposal Evaluation Approach

03 Feb 2025 30 Attachment No

DBA WD

TN20250145

03Jan2025 (Hamilton County, TN Heavy Construction)

Wage Determination 03 Jan 2025 5 Attachment No

CKL Approach Wall and Decommissioning Price Schedule_11J

ULY2025

Price Breakout Schedule 10 Jul 2025 4 Attachment No

W912P525RA001

Amendment 0001 Changes_20Feb2025

Amendment 0001 Summary of Changes 14 Feb 2025 1 Attachment No

W912P525RA001

Amendment 0003 Changes_Updated

28MAR2025

Amendment 0003 Summary of Changes 28 Mar 2025 3 Attachment No

W912P525RA001

Amendment 0004 C hanges_29Apr2025

Amendment 0004 Summary of Changes 29 Apr 2025 3 Attachment No

W912P525RA001

Amendment 0006 Changes_11Jun2025

Amendment 0006 Summary of Changes 11 Jun 2025 5 Attachment No

W912P525RA001

Amendment 0007 C hanges_10JUL2025

Amendment 0007 Summary of Changes 11 Jul 2025 3 Attachment No

The following contract documents were added:

CKL Approach Wall and Decommissioning Price Schedule_11JULY2025 W912P525RA001 Amendment 0007 Changes_10JUL2025

The following contract documents were deleted:

CKL Approach Wall and Decommissioning Price Schedule_11JUNE2025

The following contract documents Page Counts were changed:

DOCUMENT PAGE COUNTS

DOCUMENT NAME FROM TO

W912P525RA001 Amendment 0007 Changes_10JUL2025 none 3

Section 00 21 00 - Instructions

The following clauses were modified:

52.252-3Alterations in Solicitation.Apr 1984 hereby reads as follows:

As prescribed in , insert the following provision in solicitations in order to revise or 52.107(c) supplement, as necessary, other parts of the solicitation that apply to the solicitation phase only, except for any provision authorized for use with a deviation. Include clear identification of what is being- altered.

Alterations in Solicitation (Apr 1984)

Portions of this solicitation are altered as follows:

Amendment 0001:

Project: Chickamauga Lock Approach Wall and Decommissioning The purpose of this amendment is to:

1) Update DFARS Clause 252.236-7001, Contract Drawings and Specifications to add FIO drawings and instrumentation inventory report and remove FIO miscellaneous drawings and specifications appendix not used.

2) In accordance with Class Deviation 2025-O0002, remove PLA requirement from Section 00 21 00, Instructions to Offerors and Procedures for Submittal of Offers and Proposal Evaluation Approach, and Section 00 73 00, Supplementary Conditions.

3) Remove FAR Provision 52.222-33, Notice of Project Labor Agreement, and FAR Clause 52.222-34, Project Labor Agreement.

4) Provide updated Price Schedule.

5) Update FAR 52.236-27, Site Visit - Construction, Alternate I to provide the new site visit date of 04 March 2025. Due to inclement weather, a "virtual" Pre-proposal meeting is scheduled for 20 February 2025. All other pertinent information remains the same.

6) Provide the slide presentation and attendance list from the "virtual" pre-proposal meeting.

7) Update FAR Provision 52.252-3, Alterations in Solicitation.

Amendment 0002:

Project: Chickamauga Lock Approach Wall and Decommissioning The purpose of this amendment is to:

1) Extend the due date for receipt of proposals from 07 April 2025 at 2:00PM Central Time to 08 July 2025 at 11:00AM Central Time.

2) Provide the physical site visit sign-in sheet from the site visit that was held on 04 March 2025.

3) Questions shall be due in Projnet Bidder inquiry not later than 16 May 2025. All Government responses will be entered into Projnet on or about 06 June 2025.

4) A second site visit has been scheduled for 02 April 2025 at 10:00AM Eastern Time. Interested contractors will need to register to attend the site visit by submitting either the U.S. Citizen Security Access Form or the Foreign Nation Security Access Form (whichever is applicable). If you were previously approved and attended the first site visit on 04 March 2025, a new security access form is not required but please still inform the Government that you would like to attend. Please see the Instructions to Offerors and FAR Provision 52.236-27 Alt I, Site Visit - Construction for special instructions and meeting location information.

5) FAR Provision 52.252-3, Alterations in Solicitation has been updated.

NOTE: Please ignore any changes in Section 00 10 00 to the Line Items due to system issues they appear to have been removed. There are no line item changes to the CLIN structure in Amendment 0002. There is also a system error with the update to FAR Provision 52.252-3, Alterations in Solicitation, with the information for Amendment 0002 from populating on the SF30. All changes to the Solicitation for Amendment 0002 are contained in Block 14 of the SF30.

Amendment 0003:

PROJECT: Chickamauga Lock Approach Walls and Decommissioning PURPOSE: The purpose of Amendment 0003 is to:

1) Provide updated Technical Plans and Specifications, updated Price Schedule, GBR, MV Photos, and TVA Geologic Report.

2) Provide Government answers to questions received from Industry.

3) In accordance with Class Deviation 2025-O0003, Restoring Merit-Based Opportunity in Federal Contracts, and Class Deviation 2025-O0004, Revocation of Executive Order on Sustainability, update the

FAR Provisions and Clauses. Please see "W912P525RA001 Amendment 0003 Changes" for full details of all the provision and clause changes.

4) Update DFARS Clause 252.236-7001, Contract Drawings and Specifications.

5) FAR Provision 52.252-3, Alterations in Solicitation has been updated.

NOTE: Exhibit Line Items display as added due to a correction from a system error in Amendment 0002 where they displayed as removed. The only line item that was added by Amendment 0003 to the price schedule is Line Item 03-AH35.

Amendment 0004:

PROJECT: Chickamauga Lock Approach Wall and Decommissioning PURPOSE: The purpose of this Amendment is to:

1) Provide update Technical Plans, Technical Specifications, and Price Schedule.

2) Provide Government answers to questions received from Industry.

3) Provide attendance list from second physical site visit held on 02 April 2025.

4) Update DFARS Clause 252.236-7001, Contract Drawings and Specifications.

5) Update FAR Provision 52.252-3, Alterations in Solicitation.

Amendment 0005:

PROJECT: Chickamauga Lock Approach Wall and Decommissioning PURPOSE: the purpose of this Amendment is to:

1) Extend the deadline for submission of questions in Projnet Bidder Inquiry from 16 May 2025 to 06 June 2025.

2) Update FAR Provision 52.252-3, Alterations in Solicitation.

Amendment 0006:

PROJECT: CHICKAMAUGA LOCK APPROACH WALL AND DECOMMISSIONING

PURPOSE: THE PURPOSE OF THIS AMENDMENT IS TO:

1) Provide updated Technical Specifications, Technical Plans, and Price Schedule.

2) Provide Government answers to questions received from Industry in Projnet Bidder Inquiry.

3) In accordance with the rescission of Class Deviation 2025-O0002, add the Project Labor Agreement requirement and provide updated Section 00 21 00 Instructions to Offerors and Procedures for Submittal of Offers and Proposal Evaluation Approach. The Project Labor Agreement has been added as Factor V, Project Labor Agreement, as a non-cost/price factor.

4) Add FAR Provision 52.222-33, Notice of Project Labor Agreement, and FAR Clause 52.222-34, Project Labor Agreement.

5) Extend the deadline for receipt of proposals from 08 July 2025 at 11:00AM Central Time to 01 August 2025 at 11:00AM Central Time.

6) The deadline for submission of questions in Projnet Bidder Inquiry has been extended from 06 June 2025 to 30 June 2025.

7) Update Solicitation Section 00 73 00 Supplementary Conditions Paragraph 4 Project Labor Agreement and Paragraph 5 Government Furnished Property to add Item 20 Block 45 Precast Stair.

8) Update DFARS Clause 252.236-7001, Contract Drawings and Specifications.

9) Update FAR Provision 52.252-3, Alterations in Solicitation.

Amendment 0007:

PROJECT: Chickamauga Lock Approach Wall and Decommissioning PURPOSE: The purpose of this Amendment is to:

1) Provide updated Technical Plans and Specifications, and updated Price Schedule.

2) Provide Government answers to questions received from Industry in Projnet Bidder Inquiry.

3) Update DFARS Clause 252.236-7001, Contract Drawings and Specifications.

4) Update FAR Provision 52.252-3, Alterations in Solicitation.

(End of clause)

Section 00 72 00 - General Conditions

The following clauses were modified:

252.236-7001Contract Drawings and Specifications.Aug 2000 hereby reads as follows:

As prescribed in 236.570(a), use the following clause:

CONTRACT DRAWINGS AND SPECIFICATIONS (AUG 2000)

(a) The Government will provide to the Contractor, without charge, one set of contract drawings and specifications, except publications incorporated into the technical provisions by reference, in electronic or paper media as chosen by the Contracting Officer.

(b) The Contractor shall-

(1) Check all drawings furnished immediately upon receipt;

(2) Compare all drawings and verify the figures before laying out the work;

(3) Promptly notify the Contracting Officer of any discrepancies;

(4) Be responsible for any errors that might have been avoided by complying with this paragraph (b); and

(5) Reproduce and print contract drawings and specifications as needed.

(c) In general--

(1) Large-scale drawings shall govern small-scale drawings; and

(2) The Contractor shall follow figures marked on drawings in preference to scale measurements.

(d) Omissions from the drawings or specifications or the misdescription of details of work that are manifestly necessary to carry out the intent of the drawings and specifications, or that are customarily performed, shall not relieve the Contractor from performing such omitted or misdescribed details of the work. The Contractor shall perform such details as if fully and correctly set forth and described in the drawings and specifications.

(e) The work shall conform to the specifications and the contract drawings identified on the following index of drawings:

Title

FIO - Chick Lock Consolidation 100% Folio 1.pdf FIO - Chick Lock Consolidation 100% Folio 2.pdf FIO - Chick Lock Consolidation 100% Folio 3.pdf FIO - Chick Lock Consolidation 100% Folio 4.pdf FIO_Record Drawings Folio 1 of 2.pdf FIO_Record Drawings Folio 2 of 2.pdf FIO_Shop Drawings for DS Cross-Over Bridge and US Lock Wall Bridge Access.pdf FIO_Shop Drawings for Miter Gates_Culvert Valves_Culvert Bulkheads and Airseals.pdf FIO_W912P5-06-C-0009_As-Builts for Combined Cofferdam.pdf

FIO_W912P5-09-B-0019_AACF Plans for Miter Gates_Culvert Valves_Culvert Bulkheads and Airseals.pdf

FIO_W912P5-10-C-0008_As-Builts for Approach Wall Beams.pdf

FIO_W912P5-15-C-0021_AACF_CS_Plans for Cofferdam Stabilization.pdf

FIO_W912P5-16-C-0007_As-builts For Lock Excavation.pdf

FIO_W912P5-16-C-0007_AACF Plans for DS Cross-Over Bridge and US Lock Wall Bridge- Acess.pdf

FIO_W912P5-16-C-0007_AACF_LE_Plans.pdf

FIO_W912P5-17-C-0007_AACF_LC_Plans_Folio 1 of 4.pdf

FIO_W912P5-17-C-0007_AACF_LC_Plans_Folio 2 of 4.pdf

FIO_W912P5-17-C-0007_AACF_LC_Plans_Folio 3 of 4.pdf

FIO_W912P5-17-C-0007_AACF_LC_Plans_Folio 4 of 4.pdf

FIO_W912P5-21-C-0009_AACF_UAW_Plans.pdf

W912P525-R-A-001_Price Schedule_AWD_RTA (CKL Approach Wall and Decommissioning Price Schedule_11JULY2025.xlxs)

FIO - GDR Volume 1.pdf FIO - GDR Volume 2.pdf FIO - CHH instrument Inventory Report.pdf FIO - GBR.pdf FIO - MV_Photos.pdf FIO - The Chickamauga Report (1942).pdf FIO - G&G - 110' Stoplogs - As Builts.pdf

W912P5-25-RA001_TPlans_AWD_Folio 1 of 5.pdf

W912P5-25-RA001_TPlans_AWD_Folio 2 of 5.pdf

W912P5-25-RA001_TPlans_AWD_Folio 3 of 5.pdf

W912P5-25-RA001_TPlans_AWD_Folio 4 of 5.pdf

W912P5-25-RA001_TPlans_AWD_Folio 5 of 5.pdf

W912P5-25-RA001_TPlans_AWD_For-Information-Only-Drawings-Folio.pdf

W912P5-25-RA001_TSpecs_AWD_RTA.pdf

W912P5-25-RA001_Am3_Consolidated_Sheet_Changes.pdf

W912P5-25-R-A001_Am3_Contract Specifications_11MAR2025.pdf

W912P5-25-RA001_Am4_Consolidated_Sheet_Changes_29APR2025.pdf

W912P5-25-R-A001_Am4_Contract Specifications_29APR2025.pdf

W912P5-25-R-A-001_Am6_Consolidated Sheet Changes_11JUN2025.pdf

W912P5-25-R-A001_Am6_Contract Specifications_11JUN2025.pdf

W912P5-25-R-A-001_Am7_Consolidated Sheet Changes_10JUL2025.pdf

W912P5-25-R-A001_Am7_Contract Specifications_10JUL2025.pdf

(End of clause)

KO CONTRACTING DIVISION, 801 BROADWAY RM A604

NASHVILLE, TN 37203-1070

UNITED STATES

ANDREW ROTH, EMAIL: ANDREW.R.ROTH@USACE.ARMY.MIL TELEPHONE: (615) 736-7793

AdminBy:

SCD: PAS: