U.S NAVAL STATION MAYPORT MAINTENANCE DREDGING, DUVAL COUNTY, FLORIDA

Form / Attachment / Pricing Sheet

This document is a Geotechnical Data Report (GDR) for the U.S. Naval Station Mayport Maintenance Dredging project in Duval County, Florida. It provides detailed information on the subsurface soil conditions encountered during geotechnical field investigations.

• Scope: Details the geotechnical investigations, characterization of materials, definitions of terms, and presentation of geotechnical data.
• Character of Materials: Describes the local geology, including Pleistocene and Holocene age sediments, and the underlying Pliocene and Miocene formations. It also lists materials encountered during dredging, such as interbedded layers of clay, silt, sand, and shell fragments, as well as construction debris and potential in-situ rock.
• Definitions: Provides definitions for various geological and soil terms used in the report.
• Geotechnical Data: Includes summaries of field investigations (vibracores), index testing data, boring logs, and laboratory testing data.
• Inspection of Recovered Materials: Outlines the availability of recovered materials for inspection by prospective offerors at the Corps of Engineers District warehouse in Jacksonville, FL, including address, hours, and scheduling procedures.

This report is crucial for bidders to understand the subsurface conditions and material characteristics relevant to the dredging project. It informs decisions regarding equipment selection, excavation methods, dewatering requirements, and potential challenges. The availability of recovered materials for inspection allows bidders to conduct their own assessments before submitting proposals. Prospective offerors are strongly advised to view the samples before submitting their bids.

Specifications / Attachments

This document, Volume 2 of 2, contains the Construction Solicitation and Specifications for the U.S. Naval Station Mayport Maintenance Dredging project in Duval County, Florida. It details various technical specifications and requirements for the project, including:

• Division 00 - Procurement and Contracting Requirements: Includes control monument descriptions and weather, water stage, and tide data.
• Division 01 - General Requirements: Covers summary of work, price and payment procedures, administrative requirements, project schedule, submittal procedures, governmental safety requirements, quality control, temporary construction facilities, environmental protection, and turbidity monitoring.
• Division 35 - Waterway and Marine Construction: Specifically addresses dredging, including requirements for the National Dredging Quality Management Program for scow ullage, hopper dredge operations, and pipeline hydraulic dredge operations.

This document is crucial for potential bidders as it outlines the detailed technical specifications, requirements, and procedures for the maintenance dredging project at Naval Station Mayport. It covers critical aspects such as scope of work, safety, environmental protection, quality control, and specific dredging methodologies. Bidders must review these specifications to understand the full scope of work, compliance requirements, and potential risks associated with the project.

Solicitation / RFP / RFQ

This solicitation is for U.S. Naval Station Mayport Maintenance Dredging in Duval County, Florida. The U.S. Army Corps of Engineers, Jacksonville District, is procuring these services.

The project involves various dredging activities, including:

• Mobilization and Demobilization

• Excavation of specific areas such as Bar Cut-3, M.E.C. STA. 15+00 to M.E.C. STA. 63+41.62, Turning Basin, Destroyer Slip, and Small Boat Basin.

• Environmental and Water Quality Monitoring

• Mobilization and Demobilization for Sea Turtle Trawling

• Sea Turtle Trawling

• Standby Time

• Contract Type: Firm Fixed Price

• Target Price Range: $10,000,000.00 - $25,000,000.00

• Period of Performance: To be detailed in Section 00 73 00.

• Bids are due on March 31, 2026, at 1:00 PM (EST).

• Bid Opening will be held virtually on March 31, 2026, at 2:00 PM (EST) via Microsoft Teams.

• Electronic bids are required and must be submitted via the Procurement Integrated Enterprise Environment (PIEE) website.

• A pre-bid conference will be held virtually on Friday, March 20, 2026, at 10:00 a.m. EDT.

• Technical inquiries and questions must be submitted via ProjNet no later than March 20, 2026.

• This procurement is unrestricted.

• NAICS Code: 237990

• Small Business Size Standard: $37.0 Million

• HUBZone small business concerns may receive a 10 percent price evaluation preference.

• Offerors must be registered in the System for Award Management (SAM).

• A site visit has been scheduled for Thursday, March 19, 2026, at 10:00 AM (EDT) and will be conducted virtually.

• Specific instructions for electronic bid submission, file naming conventions, and upload limits are provided.

Plans / Drawings

This document contains a series of detailed engineering drawings for the U.S. Naval Station Mayport Maintenance Dredging project, identified by Solicitation No. W912EP26BA005. The drawings provide comprehensive plans for dredging various areas including Bar Cut-3, the Mayport Entrance Channel (MEC), Turning Basin, Destroyer Slip, and Small Boat Basin.

Key information for bidders includes:

• Dredging Plans: Detailed layouts of the dredging areas, stationing, and ranges are provided across multiple sheets (C-01 through C-11).
• Dredging Quantities: Sheet C-03 provides estimated dredging quantities in cubic yards for each location, totaling 860,000 cubic yards (476,000 cubic yards required depth and 384,000 cubic yards allowable overdepth).
• Dredging Depths: Specific required depths and allowable overdepths are indicated for each area, generally ranging from 27 feet to 50 feet plus overdepth.
• Control Data: Sheets G-02, G-04, and C-11 provide crucial control data, including coordinate systems (State Plane Coordinate System of 1983, Florida East Zone), tidal datums (Mean Lower Low Water - MLLW), and survey notes.
• Cross Sections: Sheets C-12 through C-14 present dredging cross-sections illustrating existing and proposed bottom profiles, required depths, and allowable overdepths for specific stations.
• Disposal Plan: Sheet C-15 details the Ocean Dredged Material Disposal Site (ODMDS) Zone A and project release zones.
• General Notes and Symbols: Various sheets include legends, terms and abbreviations, general notes, and survey notes relevant to understanding the project requirements and execution.

This set of drawings is essential for bidders to understand the scope, technical requirements, and physical layout of the dredging work.