Construction Materials Testing & Geotechnical Investigation

The City of Denton is requesting qualifications for a three-year professional services contract for construction materials testing and geotechnical investigation services on capital and construction projects, with proposals due October 21, 2026 and options to renew for two additional one-year periods.

The scope encompasses asphaltic concrete and bituminous materials observation and testing, including mix designs and field nuclear density tests; Portland cement concrete and aggregates testing with compressive strength analysis; soil observation and testing for earthwork with moisture-density evaluation; geotechnical investigations and drilling services with comprehensive reporting; and structural steel and welding inspection. The testing firm must respond to material sampling requests within 24 hours and deliver geotechnical reports and recommendations within four weeks of request. Soil borings must extend to depths up to 50–60 feet or deeper as needed. Reports must include utility line locates and soil stabilization recommendations.

Qualified submittals must include firm overview with years in business, office locations, and staff counts; identification of at least three Texas municipal client references; resumes of proposed team members including a Registered Professional Engineer with Texas registration and at least two engineering technicians; quality control and quality assurance processes; documentation management and failed test result tracking procedures; and examples of geotechnical and construction materials testing reports. Proposers must complete an Excel spreadsheet detailing services the firm provides from the City's list of available services. The scope is preliminary and subject to negotiation with the selected firm.

No contract value, set-aside, incumbent contractor, or pricing terms are specified in the available source material.