You need Denver concrete specialists who design for freeze–thaw, UV, and hail. We mandate 4500–5000 psi, air‑entrained mixes (w/c ≤0.45), #4 rebar at 18" o.c., Class 6 bases compacted to 95% Proctor, and saw cuts within 6 to 12 hours. We manage ROW permits, compliance with ACI/IBC/ADA standards, and coordinate pours by wind, temperature, an