Ecological Restoration Services

The Riverside County Regional Park and Open-Space District is soliciting proposals for a five-year ecological restoration project within the Santa Ana River corridor, including the Hidden Valley Wildlife Area and the Santa Ana River Mitigation Bank. The project focuses on the removal and long-term maintenance of invasive plant species, specifically Giant Reed and Tamarix, with a target cover of 5% or less. The scope of work is divided into an initial removal phase in year one, followed by a maintenance and restoration phase from years two through five. This latter phase includes a native plant materials program involving the collection of local seeds and cuttings, propagation in sanitary containers, and the installation of native plants to restore riparian habitats. The contract has a maximum aggregate funding limit of 975,000 dollars. Key requirements include the provision of onsite biological monitoring for nesting birds and strict adherence to CDFW 1602 Streambed Alteration Agreements and USACE guidelines. Qualified bidders must demonstrate significant expertise, including personnel with at least 15 years of experience in invasive species removal and extensive native plant propagation. The award will be based on best value, considering technical capability, experience, and price. Contractors must be registered with the California Department of Industrial Relations, comply with state prevailing wage laws, and maintain specific insurance coverages. Proposals must be submitted by September 3, 2026, and include a detailed company profile, a budget narrative, and a maximum ten-page narrative describing the project method.