The following are what an inspector looks for during a Concrete Waterways Inspection.
Concrete mix design submittal's to meet Ogden City specifications of 4,000 p.s.i. 6 ½ bag mix. Cold weather concrete bag mix design increases from 6 ½ bags to 7 ½ bags between October 1st to March 1st.
Grade staking for control.
Required road base depth placed and compaction test known prior to placement.
Rebar placement at 11 inch o.c. longitudinal and 24 inch o.c. lateral throughout pour with bars supported above road base at 3 inches.
Depth of concrete - all waterways at 8 inches concrete pour depth and placed monolithically throughout waterway. If frogs are placed at either end of waterway rebar to continue per above placement.