Construction Materials Testing (CMT) & Observation

The contract seeks a qualified subcontractor to perform comprehensive field and laboratory testing services during construction, specifically for earthwork compaction, concrete, and structural backfill materials, along with associated special inspection duties. The work requires adherence to established standards and protocols to ensure material integrity and structural compliance throughout the project lifecycle, with testing conducted in real time at construction sites and in certified laboratories. The solicitation is issued by the City of Issaquah under NAICS code 541380 and is open for responses until August 14, 2026, with proposals due by 11:00 PM Pacific Time. This is a subcontract opportunity, and bidders must be prepared to meet the technical, logistical, and regulatory requirements expected by the city for construction materials verification and quality assurance.