Z--Riverside Vessel Barrier Replacement at Hoover Dam

Amendment / Modification

This document is Amendment No. 0001 to Solicitation No. 140R3026Q0066 for the Riverside Vessel Barrier Replacement at Hoover Dam.

• The "SITE VISIT" section has been updated to reflect a change in the site visit date from Wednesday, May 27, 2026 to Wednesday, June 10, 2026, and the contact person's name from Mrs. Jennalyn Kent to Mrs. Jennalyn Kent.

• The "WRITTEN QUESTIONS" section has been updated to change the deadline for submitting written questions from Wednesday, May 27, 2026 to Monday, June 15, 2026.

• The proposal submission deadline has been extended. Offers are due by 1700 (hour) local time on 06/25/2026.

• The period of performance has been updated to 07/06/2026 to 08/21/2026.

Amendment / Modification

This document is Amendment 0001 to the "Wage Determinations" attachment for Solicitation No. 140R3026Q0066. It updates the "General Decision Number" to NV20260024 and revises the publication date to 05/18/2026.

• The "General Decision Number" and "Publication Date" have been updated.
• Wage rates for various classifications (e.g., Electrician, Lineman, Crane Operators, Laborers, etc.) are listed with their respective rates and fringes, reflecting the updated publication date.

This amendment provides updated wage determinations. Bidders should ensure they are using the most current wage rates as specified in this amendment for any cost estimations or proposals related to the solicitation.

Amendment / Modification

This amendment (0001) to solicitation 140R3026Q0066 modifies the original solicitation with the following key changes:

• Site Visit Information: Provides updated site visit details for June 10, 2026, at 9 AM PDT, as referenced in paragraph L.4.

• Wage Determinations: Updates the applicable Wage Determinations.

• Quote Due Date Extension: Extends the quote due date to June 25, 2026, at 5 PM PDT.

• Item 00010 Modification: Updates Item 00010, "Riverside/Downstream Vessel Barrier Replacement at Hoover Dam," to reflect the obligated amount.

• Item 00010 (Supplies/Services)

• Paragraph L.4 (Site Visit)

• Applicable Wage Determinations

• Quote Due Date

• The deadline for submitting quotes has been extended to June 25, 2026, at 5 PM PDT.

• Offerors must acknowledge receipt of this amendment. If an offer has already been submitted, it may be modified or withdrawn by providing appropriate communication prior to the new deadline.

Solicitation / RFP / RFQ

This document is a solicitation for the Riverside Vessel Barrier Replacement at Hoover Dam. The estimated magnitude of construction is between $250,000 and $500,000.

• The core requirement is the "Riverside Vessel Barrier Replacement at Hoover Dam."

• All work shall be performed in accordance with the attached Statement of Work (Attachment 1).

• The period of performance is from 06/22/2026 to 08/07/2026.

• The contract type is not explicitly stated, but it is a "Sealed Bid (IFB)" solicitation.

• Sealed offers are due by 06/05/2026 at 1700 hours local time.

• Offers will be publicly opened at that time.

• Envelopes must be marked with the offeror's name and address, solicitation number, and due date/time.

• Offers providing less than 30 calendar days for Government acceptance will be rejected.

• Pricing breakout details are available in Section B.2, Price Schedule, of the solicitation document.

• Not explicitly stated in the provided pages.

• Attachment 1 is the Statement of Work.

• Performance and Payment Bonds are required within 14 calendar days after award.

Form / Attachment / Pricing Sheet

This document is Attachment 3 to Solicitation No. 140R3026Q0066, titled "Release of Claims." It is a standard form that contractors must complete and submit to the Department of the Interior prior to receiving final payment under the contract. The form serves as a formal release of all claims against the United States related to the contract, except for any specifically noted.

• Contract Information: Fields for Solicitation Number, Contract Number, and Date.
• Release Statement: A declaration by the contractor releasing the United States from all claims, debts, liabilities, and demands arising from the contract, except as specified.
• Amount Due: A space to specify the sum of money due to the contractor, which serves as consideration for the release.
• Contractor Identification: Sections for the contractor's name, signature, and details (Corporation, Partnership, Joint Venture, or Individual).
• Corporate Certification: A section to be completed only if the contractor is a corporation, certifying the authority of the signatory.
• [SEAL]: A designated area for the corporate seal.

Bidders should be aware that upon successful award and prior to final payment, they will be required to complete and submit this "Release of Claims" form. It signifies the contractor's acknowledgment of full payment and relinquishment of further claims against the government for the work performed under the contract.

Solicitation / RFP / RFQ

This solicitation is for the replacement of the critical waterborne vessel barrier system on the riverside (downstream) portion of Hoover Dam. The project is considered construction and will be subject to Davis-Bacon wage rates.

• Replacement of the Riverside Vessel Barrier System.

• Includes removal of the existing barrier system and installation of a new one.

• Requires necessary personnel, materials, equipment, services, and facilities.

• Contract Type: Firm-Fixed Price purchase order.

• Estimated Magnitude: Between $250,000 and $500,000.

• Period of Performance: June 22, 2026 to August 7, 2026.

• Submission Deadline: Offers are due by June 5, 2026, at 1700 hours local time.

• Questions Deadline: Written questions are due by May 27, 2026.

• Site Visit: A site visit is available; interested parties must contact Jennalyn Kent by May 27, 2026, to request attendance.

• Evaluation Criteria: Award will be made to the responsible offeror whose quote is the lowest priced among those that conform to the technical and past performance acceptability requirements. Technical and past performance will be evaluated on an acceptable/unacceptable basis.

• Not specified in the provided sections.

• The solicitation number is 140R3026Q0066.

• The Statement of Work is provided as Attachment 1.

• Vendors must complete SF-1442 and Section B (Price Schedule).

• Payment and Performance Bonds are required for construction projects over $35,000 (payment) and $150,000 (performance).

• Electronic invoicing will be processed through the U.S. Department of the Treasury's Invoice Processing Platform (IPP).

Form / Attachment / Pricing Sheet

This document provides the prevailing wage determinations for various labor categories applicable to heavy construction projects in Clark County, Nevada. It is intended to ensure that contractors pay laborers and mechanics employed on federal or federally funded construction projects in this area no less than the locally prevailing wages and benefits.

• General Decision Numbers: Specific wage determinations are identified by numbers such as NV20260024 and NV20250024.
• Labor Classifications: Lists various trades and their corresponding wage and fringe benefit rates (e.g., Electrician, Line Construction, Power Equipment Operator, Ironworker, Laborer, Plumber/Pipefitter, Bricklayer, Carpenter, etc.).
• Rates and Fringes: Provides the hourly wage rate and the hourly fringe benefit rate for each classification.
• Geographic Area: Specifies the county or counties to which the wage determination applies (e.g., Clark County, Nevada).
• Construction Type: Indicates the type of construction the wage determination is for (e.g., Heavy Construction Projects).
• Effective Dates: Specifies the period for which the wage rates are effective.
• Executive Orders: Includes notes on Executive Orders 13706 (Paid Sick Leave) and 13658 (Minimum Wage), outlining contractor obligations.

Bidders must use this information to accurately estimate labor costs for their proposals. The wage rates listed are the minimum required for laborers and mechanics working on the project. Failure to comply with these wage determinations can result in penalties and contract non-compliance.

Statement of Work (SOW)

To replace the existing riverside vessel barrier system at Hoover Dam, which has reached its end-of-life, and includes a new boat access gate. This barrier is part of the security perimeter and controls water-side access to non-public areas downstream of Hoover Dam.

• Provide a complete, turnkey replacement of the existing riverside vessel barrier system.

• Include all materials, components, equipment, and labor for removal and disposal of the old system, and installation and commissioning of the new system.

• The new system must be engineered for continuous operation in fast-moving water, maintain structural integrity, be durable in all-season conditions, have a high-visibility design, be constructed of self-rotating HDPE (or equivalent), and be compatible with existing dam safety and security operations.

• Meet regulatory compliance for dam safety, navigational hazard mitigation, and public access risk management.

• A fully assembled fast-water vessel barrier system with an integrated boat access gate.

• All necessary mounting hardware, anchors, and installation materials.

• Additional hardware for attachment of a future containment barrier.

• Maintenance and technical documentation.

• Work will be performed at Hoover Dam, Nevada Tail Bay.

• Work to begin within 30 days of contract award.

• On-site installation to be completed within 15 days.

• Contractor personnel require Hoover Dam security badges.

• Work to be performed during normal business hours (Monday-Friday, 6:00 AM - 3:00 PM PDT).

• Maintain situational awareness and ensure Government vehicle access.

• Contractor shall provide any temporary power required for installation activities.

• Government will supply and install the padlock for the boat access gate.