Calibration services for highway construction material testing lab and field equipment.

The State of Hawaii Department of Transportation (HDOT) is seeking a qualified vendor to provide calibration services for its Highways Construction Materials Testing Laboratory and associated field equipment. The work includes seasonal (Fall and Spring) calibration of balances, ovens, furnaces, load cells, pressure vessels, and other test instruments across multiple lab locations (Oahu, Maui, Kauai, Hawaii Island) and field offices. An allowance of $5,000 is included for additional unforeseen calibration tasks. The contract runs from 09/21/2026 to 09/20/2027 (one year) and will be awarded to the lowest responsive bidder under an open small‑purchase procurement. • Scope: Perform calibration/verification per ASTM E898, AASHTO M231, R‑18, T‑308, etc. • Locations: Central Lab (Oahu) and district labs/field offices (Maui, Kauai, Hawaii). • Deliverables: Calibration certificates, test data, corrective actions, and traceability documentation. • Quantity: One contract covering all listed equipment (approximately 30+ instruments). • Budget: Not disclosed; typical state lab calibration contracts range from $50k‑$150k.