City of Corona UTILITIES DEPARTMENT PLUMBING SERVICES

City of Corona Utilities Department is soliciting proposals for on-call, as-needed plumbing services under RFP 27-010SB, with written questions due November 12, 2026 and proposals due December 8, 2026 through the PlanetBids system, which accepts no late submissions. The jurisdiction is Riverside County, California.

Scope covers drain and sewer cleaning, video and jetting, leak detection, commercial and residential plumbing system work, copper sweating, trenchless line repair, natural gas piping, polypropylene fusing, and regulator installations. Contractors must provide all labor, materials, equipment, and mobilization. Eligibility requires a valid C-36 Plumbing Contractor license, Department of Industrial Relations registration, compliance with California prevailing wage laws including certified payroll and apprentice provisions, at least four field plumbers available, and Certificates of Reported Compliance under California Air Resources Board off-road diesel fleet regulations.

Required coverage includes General Liability of $3 million per occurrence and $6 million aggregate, Automobile Liability of $1 million, Workers' Compensation of $1 million, and Contractor's Pollution Liability of $3 million and $6 million, with carriers rated A- VII or better. A 100 percent payment bond is required for individual projects exceeding $25,000, and performance bonds may be required.

Contractors submit hourly rates for master plumbers, journeymen, and apprentices across straight time, overtime, holidays, and emergency work in a separate fee proposal. Materials are billed at cost plus 15 percent, and travel costs and trip fees are not billable. Usage is as-needed with no guaranteed volume.

The initial term runs February 3, 2027 through June 30, 2028, with two optional two-year renewals through June 30, 2032 at City discretion.

Evaluation criteria are completeness of response (pass/fail), work plan and organization, qualifications of company and personnel, approach to safety measures, and reasonableness of cost and price, each worth 25 points. Interviews may add up to 100 points. Contractor selection is anticipated January 4, 2027, Notice to Proceed January 17, 2027, and City Council approval and award February 2, 2027.

Required forms include a non-collusion declaration, a subcontractor designation for work exceeding 0.5 percent of the total bid price or $10,000, a fleet compliance certification, an experience statement listing at least three public-entity references from the last five years, an OSHA safety record, and a statement of past contract disqualifications. Offers must remain firm for 90 days from the RFP close date, and payment terms are Net 30.