R3 Geotechnical Drilling, Sampling and instrumentation US101 MP304. 6 Retz Creek Landslide

The Oregon Department of Transportation (ODOT) is seeking a qualified contractor for geotechnical drilling, sampling, and instrumentation services at the US101 MP304.6 Retz Creek Landslide project in Curry County. The procurement requires a contractor to perform subsurface drilling of six geotechnical drill holes up to 215 feet deep, totaling approximately 870 feet of drilling. Key deliverables include soil and rock sampling, installation of slope inclinometer casings, and vibrating wire transducers using techniques such as mud rotary, HQ3-Wire Line coring, and potentially sonic drilling. Bidders must demonstrate a minimum of 3 years experience in geotechnical sampling and provide a drill crew with at least one licensed monitoring well constructor and an experienced drill helper. The project is scheduled to begin within 30 calendar days of the Notice to Proceed and must be completed by November 1, 2025, with a mandatory project kickoff meeting required before drilling commences. Proposals must be submitted via OregonBuys by July 1, 2025, and will be evaluated based on responsiveness and lowest responsible bid pricing.

The contract does not have a specific small business set-aside but does include Disadvantaged Business Enterprise (DBE) guidelines and federal funding requirements. Bidders must comply with Title VI non-discrimination provisions, Buy America provisions, and Cargo Preference Act requirements. The procurement will require comprehensive insurance documentation, a completed Responsibility Inquiry Form, business registry information, and references demonstrating comparable project experience. While a specific contract value is not explicitly stated, the award will be based on unit pricing for various line items including administration, mobilization, drilling techniques, sampling, and instrument installations. The project is funded through federal aid (OR 2024-02) and is located in ODOT Region 3, involving complex geological conditions in the Dothan/Otter Point Formation. Contractors will be responsible for providing all necessary equipment, machinery, tools, safety equipment, and personnel to complete the specialized geotechnical work.