Sonoma County Supplier Systems #SC001-0000002211

Sonoma County Ecological Restoration and Planting Maintenance at Wohler Road Bridge

Sonoma County is seeking ecological restoration and planting-maintenance services for the Wohler Road Bridge project over Mark West Creek. - Government buyer: County of Sonoma, Public Infrastructure Department (SPI); the solicitation identifies SPI Purchasing and names John Leong. - Scope: Manage and coordinate the work; assess slopes, erosion, vegetation, and invasive species; prepare an irrigation plan; provide seasonal watering, weeding, plant care, replanting, erosion control, site repairs, and follow-up reporting. - Key requirements: Meet an 85% native-plant survival target; remove invasive plants without herbicides; obtain County approval of the irrigation plan; and do not use water from Mark West Creek. The broader mitigation project includes at least 72 mitigation trees and long-term monitoring. - Qualifications and term: Contractors need a valid C-27 Landscaper’s License and Department of Industrial Relations registration. The agreement has a two-year initial term and up to two optional one-year extensions; related mitigation obligations extend longer, with watering specified for the first through fourth dry seasons. - Products and vendors: No products, part numbers, OEMs, or service vendors are identified. The bid lists one lump-sum service line; the stated placeholder price is not the actual proposed cost. - Estimated value: Approximately $50,000–$200,000; the solicitation does not state a contract value.

Description

Sonoma County Public Infrastructure seeks proposals from a professional consultant experienced in ecological restoration to provide watering and planting maintenance services at Wohler Road Bridge at Mark West Creek. Services include project coordination, site evaluation and irrigation planning, watering, weeding and plant maintenance, replanting, and site or erosion repairs to meet post-construction environmental requirements. Proposers must hold a valid C-27 Landscaper’s License and be registered with the Department of Industrial Relations. Proposals are due November 24, 2026, and must be submitted as one signed hard copy and one electronic copy on a flash drive; online submissions are not accepted.

View original listing