Riverside Transit Agency (RTA) is seeking qualified contractors to provide monthly de‑ionized water services for its bus‑wash rinse station at 1825 Third Street, Riverside, CA. The contractor must exchange portable de‑ionized water tanks, maintain zero‑downtime operation, and handle all logistics (transport, hookup, disposal/regeneration) for a three‑year base period with two optional one‑year extensions. Bidders must hold a California Class C‑36 (Plumbing) or Class C‑55 (Water Conditioning) license, be registered with the California DIR for prevailing‑wage compliance, and provide required bid, performance, and payment bonds. The contract is a firm‑fixed‑price, “lowest‑base‑bid” award; all costs (including an 8.75 % sales tax on non‑labor items) must be included in a lump‑sum price.
• Monthly exchange of eight portable de‑ionized water tanks (4 cation, 4 anion) for the bus‑wash system, ensuring continuous operation.
• Contractor responsible for transport, installation, inspection, leak‑prevention, and disposal/regeneration of spent resin tanks.
• Must meet California prevailing‑wage requirements, provide $2 M CGL, $1 M auto liability, workers’ comp coverage, and 100 % performance/payment bonds.
• Requires ≥ 5 years relevant experience, active C‑36 or C‑55 contractor license, and DIR registration.
• Options: two one‑year extensions at RTA’s discretion, bringing total possible contract length to five years.