On Call, As Needed Mechanical Engineering Services County Project No. 6685PWS

Imperial County’s Department of Public Works is seeking an on‑call, as‑needed mechanical engineering consultant to provide a broad range of services for county facilities and infrastructure. The contract is a one‑year initial term, renewable up to four additional years, with work issued on a task‑order basis; there is no guaranteed minimum workload. Bidders must be California‑licensed mechanical engineers, possess DIR registration, and submit separate technical and cost proposals through the PlanetBids portal. • Services include HVAC, plumbing, controls, pump‑station upgrades, boiler and gas distribution design, commissioning, testing & balancing, and related construction‑administration tasks. • Compensation is time‑and‑materials with hourly rates fixed for the first year; invoices are paid in full (no retention) after approval of task‑order milestones. • Mandatory compliance includes DIR registration, prevailing‑wage adherence, DBE participation, and insurance coverage; proposals must be submitted by Jan 27 2026.