Geotechnical drilling services for a proposed bridge pier protection project where US101 crosses over the Umpqua River near Reedsport, OR at approximately MP 211.1. As these fender structures are in the water to protect from boat collisions, the drilling will need to take place on a barge. A total of 8 geotechnical holes are required.
Pre-Bid Conference: None.
Provide one truck or track-mounted geotechnical drilling rig with dedicated drill crew, water supply and support vehicles operating from a barge in the Umpqua River. Advance eight holes to 40 feet below the mudline using mud rotary and/or HW casing advancer with HQ3T wireline coring, perform SPT sampling at 2.5- to 5-foot intervals and Shelby tube sampling as directed, seat conductor casing, contain and dispose of drilling fluids and cuttings, abandon holes per OWRD requirements, maintain daily work logs, and submit OWRD Geotechnical Hole Reports.
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Source: OregonBuys (bid S-73000-00018235), retrieved via the OregonBuys statewide open-bids board. View the official posting, and always confirm requirements and deadlines with the issuing agency.