Alameda Zone 7 PL 84-99 Repairs (Phase 2 and 3)

Solicitation

This document is a solicitation for "Alameda Zone 7 Flood Control Channels, PL 84-99 Repairs, Phase 2." The project involves repairing storm damage to flood control channels in Alameda County, California, to restore damaged slopes to their original grade. Phase 2 includes 21 repair sites across five locations: Arroyo de la Laguna (Line B), Arroyo del Valle (Line E), Alamo Canal (Line F), Arroyo Mocho (Line G), and Tassajara Creek (Line K).

• Repair of damaged flood control channel slopes at 21 specific sites.

• Restoration of slopes to original grade prior to storm damage.

• Work involves excavation, placement of engineered fill, gravel filter, rock slope protection (RSP), and topsoil fill.

• Specific repair types and estimated quantities are detailed in the Summary Table on Sheet G-023.

• Environmental protection measures, including Best Management Practices (BMPs), are critical.

• Compliance with permits, habitat protection, and archaeological monitoring is required.

• The solicitation number is W912P726BA005.

• The contract number is W912P726CA0XX.

• The issue date is March 2026.

• The document includes detailed plans, general notes, abbreviations, and typical repair details.

• Specific proposal or quote submission instructions are not detailed in this document, but it references the need for RFIs (Requests for Information) via RMS (Resident Management System).

• Evaluation criteria are not specified in this document.

• Key deadlines are not specified in this document, but the issue date is March 2026.

• No specific set-aside or eligibility requirements are mentioned in the provided document excerpts.

• The project is an operations and maintenance project.

• Horizontal datum is NAD 83 (2011), and the vertical datum is NAVD 88.

• Contractors must field verify all dimensions, work limits, and elevations.

• Strict adherence to safety, environmental, and utility protection requirements is mandated.

• Construction activities in water are restricted to specific periods (June 15 to October 15) unless approved otherwise.

• Work stoppage plans are required for rain events.

• Numerous detailed drawings (sheets G-021 through C-521) provide site-specific information, haul routes, construction limits, typical sections, and repair details.

Solicitation

This solicitation outlines the "Alameda Zone 7 Flood Control Channels, PL 84-99 Repairs, Phase 2 and Phase 3" project. The project aims to repair storm damage to flood control channels in Alameda County, California, caused by erosion and bank failures during atmospheric rivers in late 2022 and early 2023. The work involves repairing 46 damaged sites across seven flood control channels.

• Phase 2 (21 sites): Repairs at Arroyo de la Laguna, Arroyo del Valle, Alamo Canal, Arroyo Mocho, and Tassajara Creek.

• Phase 3 (20 sites): Repairs at South San Ramon Creek, Alamo Canal, and Alamo Creek.

• Repair Methods:

  • Toe Erosion Repair (16 sites): Installation of 1½-ton rock riprap armoring on the lower 1/4 to 1/3 of the slope face, keyed into the toe of the slope, separated by a gravel filter layer. The area between the 2- and 10-year flow elevations will be backfilled with soil and covered with 0.5 ft of compacted native soil, then hydroseeded.
  • Full Bank Repair (19 sites): Excavation of damaged areas, placement of 1½-ton rock riprap armoring from the toe of the slope to the 10-year water surface elevation, keyed into the toe and separated by a gravel filter layer. The bank above the 10-year water surface elevation will consist of compacted soils reinforced with uniaxial geogrid. This will be backfilled with soil and covered with a 0.5-foot-thick layer of compacted native soil, then hydroseeded.

• Environmental Controls: Strict adherence to environmental protection measures, including work windows (June 15 - October 15 for in-water work, with potential extensions), protection of special-status species (California red-legged frog, Central California Coast steelhead), erosion and sediment control, stormwater management, and waste management.

• Project Schedule: Environmental work windows are specified for Phase 2 (2026) and Phase 3 (2027).

• Contract Type: Not specified in this document.

• Period of Performance: Environmental work windows indicate 2026 for Phase 2 and 2027 for Phase 3.

• Estimated Value: Not specified in this document.

• Submittals: Requires various submittals including Preconstruction Submittals (e.g., Accident Prevention Plan, Construction Site Plan, Quality Control Plan), Product Data, Test Reports, and Certificates.

• Evaluation Criteria: Not specified in this document.

• Key Deadlines: Specific deadlines for submittals, such as the Preliminary Project Schedule within 7 days of Notice to Proceed, and the Initial Project Schedule within 42 days of Notice to Proceed.

• Not specified in this document.

• The project is associated with PL 84-99 Rehabilitation Program.

• The document references numerous technical specifications and standards (e.g., USACE, ASTM, Caltrans, MUTCD, EPA, NARA) that bidders must adhere to.

• A Submittal Register is required to track all submittals.

• The Resident Management System (RMS) will be used for contract administration and data management.

Solicitation

This document is a solicitation for Phase 3 of the Alameda Zone 7 Flood Control Channels PL 84-99 Repairs project. The project aims to repair storm damage to flood control channels in Alameda County, California, restoring damaged slopes to their original grade. This phase includes repairs at twenty sites across South San Ramon Creek, Alamo Canal, and Alamo Creek.

• Repair of flood control channels at 20 specific sites.

• Restoration of damaged slopes to original grade.

• Work involves excavation, placement of engineered fill, aggregate base, soil-filled rock slope protection (RSP), and 1/2 ton RSP.

• Environmental protection measures, including Best Management Practices (BMPs), are required.

• Specific requirements for managing construction activities, including work hour restrictions, weather-related stoppages, and utility protection.

• Habitat protection measures, including surveys for protected species and turbidity monitoring, are detailed.

• Solicitation Number: W912P726BA005

• Contract Number: W912P726CA0XX

• Issue Date: March 2026

• The document includes detailed plans, typical sections, and a summary table of estimated quantities for each repair site.

• Proposal submission instructions and evaluation criteria are not detailed in this document, which primarily consists of technical drawings and general notes.

• No specific set-aside information is provided in this document.

• The document includes extensive general notes covering survey, safety, weather, utilities, site access, and environmental compliance.

• Detailed drawings show haul routes, staging areas, construction limits of work, and specific repair details for each site.

• A summary table provides estimated quantities for various materials and work items per site.

Solicitation / RFP / RFQ

This Invitation for Bids (IFB) is for the Alameda Zone 7 Flood Control Channels, PL 84-99 Repairs, Phase 2 and Phase 3 project. This is an Operations and Maintenance project to repair storm damage to flood control channels in Alameda County, California, caused by atmospheric rivers between December 2022 and March 2023. The repairs will restore eroded and failed slopes to their original grade. The estimated magnitude of construction is between $10,000,000 and $25,000,000.

• Phase 2 (Base Contract): Consists of 21 repair sites to be completed in 2026.

• Phase 3 (Optional Work): Consists of 20 repair sites, to be performed in 2027 if exercised.

• Repairs will restore earthen slopes to original grades.

• Environmental work window for in-water work is limited to June 15th to October 15th, with potential extensions.

• Contract Type: Firm-fixed price contract.

• Period of Performance:

  • Phase 2 (Base): 202 calendar days.
  • Phase 3 (Option): 202 calendar days (if exercised).

• Estimated Value: $10,000,000 - $25,000,000.

• NAICS Code: 237990

• PSC Code: Y1PZ

• Bid Submission Deadline: May 11, 2026, at 12:00 PM local time.

• Bid Opening: Public bid opening via Microsoft Teams on May 11, 2026, at 1:00 PM PDT.

• Submission Method: Offers must be submitted electronically through the PIEE website.

• Offer Acceptance Period: 60 calendar days.

• Evaluation Criteria: Not explicitly detailed in this section, but will be based on the "Instructions, Conditions and Notices to Offerors and Evaluation Criteria for Award" section.

• Small Business Set-Aside: This procurement is a small business set-aside.

• Site Visit: Scheduled for April 20, 2026, at 9:00 AM at 6900 W Las Positas Blvd, Pleasanton, CA 94588.

• Bid Guarantee: Required (SF-24), amount is 20% of bid price or $3,000,000.00, whichever is less.

• Performance and Payment Bonds: Required.

• Registration: Prospective Offerors and Subcontractors must be registered in SAM.gov and PIEE.

• Amendments: Offerors are responsible for checking the PIEE website for amendments.