You'll need Denver concrete specialists who plan for freeze–thaw, UV, and hail. We require 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, ACI/IBC/ADA compliance, and plan pours according to wind, temperature, and maturity dat… Read More