IFB Water Sampling, Bacteria Testing, and Minor System Maintenance Services for the Sodium Hypochlorite Water Treatment System in Del Norte County.

This solicitation calls for a contractor to provide comprehensive water‑treatment services—including weekly, monthly, and annual water sampling, bacterial testing, chlorine residual monitoring, filter replacements, pump maintenance, and minor repairs—at Caltrans’s Idlewild Maintenance Station and the Collier Tunnel Safety Roadside Rest Area in Del Norte County. The work must be performed by personnel holding California State Water Resources Control Board Water‑Treatment Operator (T‑2/D‑1) certifications and a SWRCB‑accredited ELAP laboratory. All labor, tools, equipment, materials, travel, and incidentals are to be included in a lump‑sum bid, with a maximum contract value of approximately $248,400 over a three‑year period. The contract is subject to prevailing‑wage requirements, small‑business preferences, and environmental compliance (SB 1383). • Perform weekly chlorine residual testing and bacterial presence/absence testing at both sites. • Replace roughing, pre‑giardia, and giardia filters on prescribed schedules and execute minor pump‑tube repairs as needed. • Provide monthly monitoring reports, maintain site binders, and notify Caltrans within 24 hours of any positive bacterial result.