Unofficial Notice of Invitation to Bid (NIB)

Redding City is seeking bids from qualified and interested contractors for the following project titled, ENGINEERING SERVICES FOR STORM DRAIN MASTER PLAN UPDATE, identified under Solicitation ID: 5676. Work is to be performed near 777 Cypress Ave, Redding, CA 96001, USA in Shasta County.

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General Project Description

The City of Redding Public Works Department is soliciting proposals for professional engineering and hydrologic and hydraulic (H&H) services. The project involves updating specific drainage basins within the Montgomery Watson City-Wide Master Storm Drain Study to reflect recent land-use, impervious surface changes, new topographic data, new or rehabilitated stormwater infrastructure, and regulatory agency requirements from entities like FEMA and Caltrans. The updated models will be used to support floodplain map revisions, mitigation project development, and emergency management for key basins including Canyon Hollow, Oregon Gulch, Olney Creek, and Bonnyview Drain, with an optional task for the Churn Creek Basin. The scope also encompasses comprehensive project management, data collection, detailed survey services, hydrologic modeling using HEC-1, hydraulic modeling using HEC-RAS, and the preparation of a thorough Storm Drain Master Plan Update report, alongside optional FEMA Floodplain Updates and associated deliverables.

General Bid Items

Quantity: - Unit: - Work Item: Project Management and Scheduling
Quantity: - Unit: - Work Item: Data Collection and Review
Quantity: - Unit: - Work Item: Survey Services
Quantity: - Unit: - Work Item: Hydrologic Modeling (HEC-1)
Quantity: - Unit: - Work Item: Hydraulic Modeling (HEC-RAS)
Quantity: - Unit: - Work Item: Storm Drain Master Plan Update Report
Quantity: - Unit: - Work Item: Hydrologic and Hydraulic Modeling for Churn Creek Basin (Optional Task)
Quantity: - Unit: - Work Item: FEMA Floodplain Updates (Optional Task)

NAICS Classification

NAICS 541330 – Engineering Services (Providing professional engineering services, including hydrologic and hydraulic modeling, storm drain master planning, and floodplain mapping.), NAICS 541360 – Geophysical Surveying and Mapping Services (Performing ground surveys, collecting topographic data, and developing GIS-based floodplain maps.), NAICS 541620 – Environmental Consulting Services (Addressing stormwater infrastructure requirements and regulatory compliance related to flood management and environmental planning.)

Records and Due Date

This bid opportunity was entered into BidAmerica on February 20, 2026, and was last updated on February 20, 2026. All bids and/or proposals are due on March 19, 2026.

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Legal Disclaimer

All bidders are responsible for reviewing and verifying all official bid documentation directly from the issuing agency. BidAmerica aggregates public bid information for advertisement purposes for contractors and government agencies convenience. This Notice of Invitation to Bid is for reference purposes only and is not an official or complete representation of any documents issued by Redding City. BidAmerica does not guarantee the accuracy, completeness, or timeliness of any information displayed and shall not be held liable for any errors, omissions, misinterpretations, or damages resulting from reliance on this summary. Contractors must obtain all official information—including plans, specifications, addenda, deadlines, submission requirements, qualifications, and bidding conditions—directly from Redding City prior to bidding.