Subsurface Investigation Services

The government authority located in Dover, DE, seeks subsurface investigation services statewide across any terrain, including riverbeds, canals, marshes, bedrock, and sandy areas. The buyer requires vendors to obtain samples, perform visual examinations, document observed samples, and conduct testing services as needed. Requested work involves advancing investigations through unconsolidated or partly consolidated sediment and rock, or through rock core drilling. The scope may also encompass installing observation wells, performing double-ring or borehole infiltration testing for stormwater management design, and conducting piezometer testing to measure groundwater levels and pore water pressure. The buyer restricts eligibility to onshore USA organizations and mandates onsite work performance. The buyer seeks proposals for the budget and establishes a three-year contract period. Bidders must submit all questions no later than September 1, 2026.