Geotechnical Drilling Services for Project OR FLAP DOUGLAS 251(2), Winchester Bridge Replacement

The Western Federal Lands Highway Division of the Federal Highway Administration seeks geotechnical drilling services for the Winchester Creek Bridge Replacement (Project OR FLAP DOUGLAS 251(2)) under a Total Small Business set-aside, with questions due November 12, 2026 and quotations due November 17, 2026 under RFQ 69056727Q000006.

Place of performance is Douglas County, Oregon, where two borings, BH26-01 and BH26-02, will be drilled within the road right-of-way. Boring depths range from 50 to 130 feet. The scope includes P-S suspension logging in the upper 100 feet of one boring, hollow-stem auger or mud-rotary drilling in overburden, and HQ3 wireline core drilling in bedrock. The contractor must perform SPT sampling every 2.5 feet from 5 to 20 feet below ground surface, then every 5 feet thereafter, with a base ceiling of 44 SPT samples. Shelby tube samples are required as directed, with a base ceiling of 4. Field work must finish within six business days beginning late November or early December 2026.

Submittals due 15 business days before mobilization include temporary traffic control plans, hammer efficiency test reports, driller resumes with state licensure, and an executed Douglas County Public Works right-of-way permit. The contractor also handles environmental compliance, utility locates, water procurement permitting, traffic control, asphalt coring and patching, and borehole completions per Oregon State requirements.

Quotations must include a completed Standard Form 1449 and a pricing schedule with unit prices and line-item quantities, submitted electronically in PDF format to WFL.Purchasing@dot.gov. Offerors must acknowledge all amendments and confirm acceptance of government purchase orders. The NAICS code is 238910 with a $19 million size standard, and the PSC is F015. No evaluation criteria, award value, or incumbent is stated in the source.