Diamond Bar Planet bids #RFP-2026

The City of Diamond Bar is seeking qualified geotechnical engineering firms to provide on-call professional services supporting municipal and private development projects. - Government Buyer: - City of Diamond Bar, Department of Public Works - Contact: Hal Ghafari, P.E., Public Works Manager/Assistant City Engineer - Services Requested: - On-call geotechnical and soils engineering services - Plan and report review - Inspections and construction support - Geotechnical investigations and monitoring - Forensic evaluations and peer review - Technical advisory and emergency response support - Specialized analyses related to soil, foundation, slope, and earthwork performance - Key Requirements: - All services must be performed under the responsible charge of a California-licensed Geotechnical Engineer - Ability to process electronic plan submittals and provide timely inspections (generally within 48 hours) - Strict conflict of interest policy: firms may not serve other clients doing business with the City during the contract and for six months after, unless approved - Insurance requirements must be met - Selection and Contract Details: - Up to three firms will be selected - Contract term is three years with an option for a two-year extension - Compensation is on a lump-sum or time-and-materials basis, with firm fixed hourly rates for the initial term - No specific OEMs or product vendors are named, as this is a professional services solicitation

The City of Diamond Bar is seeking proposals from qualified Geotechnical Engineering firms to provide on-call geotechnical engineering services. The contract aims to retain up to three firms to support private development projects, public capital improvement projects, and other city needs with services including plan and report review, inspections, investigations, analysis, and construction support. The contract term is anticipated to be three years with an option to extend for two additional years. Proposals are due by April 16, 2026.