Opportunity

Delaware My Market Place #DOT262216-2217-SUB_INVEST

DelDOT Solicits Statewide Subsurface Investigation Services

Posted

August 21, 2026

Respond By

September 10, 2026

Identifier

DOT262216-2217-SUB_INVEST

NAICS

213115

Delaware Department of Transportation (DelDOT) is seeking qualified firms to provide statewide subsurface investigation services. - Scope of Work: - Obtain soil and rock samples, perform visual examinations, and document findings - Conduct drilling (including standard penetration testing and undisturbed sampling) - Install observation wells, perform infiltration and piezometer testing - Execute laboratory analyses: Soil Index, Triaxial, Direct Shear, Unconfined Compressive Strength, pH Resistivity - Technical Requirements: - Work may occur in riverbeds, marshes, bedrock, and sandy terrains - Equipment may include barge-mounted rigs, all-terrain vehicles, and rock drilling apparatus - Staff must have experience with Delaware soil conditions - Delaware Well Drillers License required for drilling - Contract Structure: - Indefinite Delivery Indefinite Quantity (IDIQ) contract - Three-year base term with two one-year extension options - Up to two agreements may be awarded; each capped at $3 million - Payment is cost per unit of work - Regulatory Notes: - No Disadvantaged Business Enterprise (DBE) participation goal due to federal regulatory changes - All permits and licenses are the responsibility of the selected firm(s) - No specific OEMs or vendors are named in the solicitation.

Description

This solicitation issued by the Delaware Department of Transportation (DelDOT) seeks proposals from interested firms to provide subsurface investigation services. The work includes obtaining samples, performing visual examination, documentation of observed samples, and testing services as needed across various terrains statewide. The contract is an Indefinite Delivery Indefinite Quantity (IDIQ) type with a three-year term and two possible one-year extensions. Up to two agreements may be awarded, and the anticipated method of payment is cost per unit of work.

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