Redwood_City_Amendment_0002_6_3_2026_Posted.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 theoffer 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.

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 NUMBE

10B. DATED (SEE ITEM 13)

CODE FACILITY CODE

J 1 4

0002 03 JUN 2026 NA

W912P7

W075 ENDIST SAN FRAN

KO CONTRACTING DIVISION, 450 GOLDEN GATE AVENUE

SAN FRANCISCO, CA 94102-3406

UNITED STATES

LOGAN CHAMPLIN, EMAIL: LOGAN.CHAMPLIN@USACE.ARMY.MIL TELEPHONE:

415-503-6891

SCD: PAS:

W912P726BA002

12 MAY 2026

SEE SECTION G - CONTRACT ADMINISTRATION DATA

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

The purpose of Amendment 0002 is to add the second page of the Continuation of Standard Form 1442 "Corporation Authorization Certificate" as it was missing from the original solicitation. Amendment 0002 also change specs section SECTION 35 20 23 and Section 01 11 00.

CONTINUATION OF STANDARD FORM 1442

CORPORATION AUTHORIZATION CERTIFICATE

I, ___________________________________, certify that I am the Secretary of the

(name) corporation named as offeror in the within offer; that

(name) who signed said offer on behalf of the corporation, was then

_____________________________________ of said corporation, that the signature (title) thereto is genuine; that said contract was duly signed, sealed and attested for in behalf of said corporation by authority of its governing body.

(Name of Corporation)

(Secretary)

(4) IF THE OFFEROR IS AN INDIVIDUAL DOING BUSINESS AS A FIRM, THE OFFER

SHALL BE SIGNED BY THAT INDIVIDUAL IN BLOCK 20B FOLLOWED BY THE WORDS "AN

INDIVIDUAL DOING BUSINESS AS _____________________________________ (INSERT

NAME OF FIRM).

(5) WHEN AN AGENT SIGNS THE OFFER, PROVIDE PROOF OF THE AGENT'S AUTHORITY TO

BIND THE PRINCIPAL.

SO

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W912P726BA002

FY26 Redwood City Channel O&M Dredging Project Solicitation

b. The Contractor shall be responsible for verifying the characteristics of the materials to be dredged from the channel.

1.4.1 Scow Monitoring

The contractor shall comply with the Dredge Data Logging System. The purpose of complying with two different and independent scow monitoring programs is to fulfill obligations from two different and independent government quality assurance agencies.

1.4.1.1 Dredge Data Logging System (DDLS)

Submit the DDLS, the DDLS back-up system, and the qualifications of the DDLSQC firm to the Contracting Officer or delegated representative for approval, as specified in Attachment 1 at the end of the Specification package.

Methods used for the dredge positioning shall also be used to display and record the disposal vessel's location at 1-minute time intervals throughout the loading, transport and disposal cycle of each disposal vessel. The Dredge Data Logging System (DDLS) data shall be received onboard the actual disposal vessel. Position data shall be annotated for the time actual dumping is in progress. A copy record of the DDLS position data, correlated with time and annotated with date, shall be submitted to the Contracting Officer or delegated representative as part of the daily Quality Control Report. The Contracting Officer or delegated representative shall have access to the monitoring equipment in order to observe its operation during disposal operations. Dredge inspectors shall be provided with hand-held GPS equipment to verify dredge disposal in SF-DODS. 1.4.1.2 Dredge Material

Disposal Site Log (DMDSL)

Submit a DMDSL on a weekly basis by noon Monday that enumerates work accomplished during the preceding week. The DMDSL logs to be submitted shall include the reach from where the material came from. Every Monday, the Contractor shall e-mail the prior week's DMDSL data to the government.

Include the dredge episode number. Maintain a DMDSL using the "Dredge Material Disposal Site Log" form in Attachment 2 at the end of the Specification package. DMDSL shall be included as an attachment to QC Daily Reports.

1.4.1.3 DDLS Report/Data

Submit electronic copies of the DDLS positional data for all dredge equipment and all disposal/fill vessels utilized; and dredged quantity, sediment type and GPS positional data on the dredge and disposal or fill locations for all scows and barges by email to the government. This electronic data shall be included in the daily CQC Report submitted in RMS.

1.5 WORK PLAN

The purpose of the work plan is to outline the primary objectives required during construction. The work plan should clearly articulate and outline the steps needed to achieve contract milestones, deliverables, resources, etc. The work plan should be submitted within 15 days after Notice to Proceed or prior to the date of the Preconstruction Conference.

Revise the work plan throughout the project to include any changes in site conditions or contract modifications that change the project scope of work.

SECTION 35 20 23 Page 4

FY26 Redwood City Channel O&M Dredging Project Solicitation shall be performed in strict compliance with applicable OSHA regulations, including but not limited to 29 CFR 1910 and 29 CFR 1926, and all utility owner requirements.

The Contractor shall identify, locate, and verify the position and elevation of all submarine pipelines and overhead utilities prior to dredging including 811 coordination, in accordance with OSHA hazard identification requirements. Work shall not commence until utility locations are confirmed and safe work limits are established.

d. Submarine Pipelines (Below Dredge Level) Dredging shall be controlled to prevent contact with, exposure of, or damage to submarine pipelines. A minimum 10' pipeline cover and dredge cut-off level shall be maintained at all times. Anchoring, spudding, or equipment contact within the pipeline protection zone is prohibited unless approved. If a pipeline is exposed, struck, or suspected to be damaged, work shall stop immediately and the Engineer shall be notified, in accordance with OSHA incident response requirements.

Overhead Powerlines (Above Work Area) Minimum clearance distances from high-voltage overhead powerlines shall be maintained at all times in accordance with OSHA electrical safety regulations (29 CFR 1910.333 and 1926 Subpart K). No part of dredging equipment, including booms, masts, spuds, or ladders, shall encroach into the minimum required clearance zone.

A designated safety observer shall be present during operations beneath overhead powerlines. Work shall cease during conditions that reduce visibility or control, including high winds or storms.

Equipment and Operations Equipment height, swing radius, and dredging depth shall be physically and operationally limited to prevent utility contact. Only approved dredging methods with controlled depth capability shall be used at the utility crossing. Any unsafe condition involving utilities shall be corrected immediately before work resumes.

1.3 MEETINGS

1.3.1 Weekly Meetings

Weekly construction/survey/coordination/progress meetings shall be held between the Contractor and Contracting Officer or delegated representative. Weekly progress meeting agenda shall be provided at least one day before the meeting. Minutes of the weekly meeting shall be prepared by the Contactor's CQC Manager and submitted to the Contracting Officer or delegated representative within 24 hrs.

1.3.2 Preconstruction Conference

After award of contract, a preconstruction conference will be held at such time and location as determined by the Contracting Officer or delegated representative for purposes of discussing and developing mutual understanding between the Contracting Officer or delegated representative and the Contractor's Representatives regarding the terms, conditions, and requirements of the contract. Members of the conference from the Government will include the quality assurance staff, the Contracting Officer or delegated representative, construction staff, and environmental staff. Members from the Contractor shall include the dredge master, chief hydrographic surveyor, and the quality control staff. The discussion will

SECTION 01 11 00 Page 3