Class HES Concrete Supply

This subcontract agreement involves the supply and delivery of specialized High Early Strength concrete for prime contractors working on Texas Department of Transportation roadway projects in Lubbock. The supplier is responsible for manufacturing ready-mix concrete that adheres to TxDOT Item 421 specifications, specifically requiring 4.0 percent air entrainment and a fly ash content ranging between 10 and 35 percent. The concrete must meet strict performance benchmarks, achieving a strength of 1,800 psi within 8 hours and 3,200 psi within 24 hours. This procurement falls under NAICS code 327320 and remains open for responses until December 1, 2026.