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Imperial County Department of Public Works·California

On Call, As Needed, Civil Engineering Design and Inspection Services County Project No. 6685PWS

Closes 1/19/2026$500k – $2MRequest for Proposal
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Description

Imperial County is seeking a qualified civil‑engineering firm to provide on‑call, as‑needed design, plan‑checking, and inspection services for a variety of public‑works projects. The work will be delivered through individual task orders, each covering specific deliverables such as grading and drainage plans, utility design, structural calculations, and related engineering reports. The contract is initially for one year with the option to renew up to four additional one‑year terms, and consultants must maintain appropriate licensing, insurance, and DIR registration. • Provide third‑party plan‑checking and red‑line comments with rapid turnaround (5‑10 business days). • Prepare full PS&E packages (plans, specifications, estimates, reports) for transportation, water, sewer, storm‑water, and related infrastructure projects. • Deliver task‑order services on a fixed‑fee or hourly basis, adhering to Caltrans, ADA, and prevailing‑wage requirements. • Offer optional support services such as grant writing, project management, and coordination with sub‑consultants (subject to County approval). • Maintain insurance coverage, retain records for 3‑5 years, and comply with DBE and equal‑opportunity policies.

Attached files

Contact

Alfonso Varela(Administrative Analyst II)

[email protected]

(442) 265-1818

Key dates

Opened
11/24/2025
Questions due
12/22/2025
Closes
1/19/2026
Duration
1 year

Last updated

Details

Type
Request for Proposal
Industry
Civil Engineering
NAICS
541330
Solicitation №
County Project No. 6685PWS

Budget estimate

$500,000 – $2,000,000

Because the solicitation does not disclose a total contract value, a reasonable estimate can be derived from typical hourly rates for licensed civil‑engineering firms in California (approximately $150–$250 USD per hour) and the expected workload of multiple task orders over a one‑year period. Assuming 2,000 hours of billable work in the first year (a modest volume for an on‑call contract) yields a low‑end estimate of $300,000, while a higher utilization of 4,000 hours (full‑time effort) at $250 USD/hour would approach $1,000,000. Including potential fixed‑fee task orders and renewal options, the total earnings could range from roughly $500,000 to $2,000,000 over the possible five‑year contract life.

AI estimate from the solicitation

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