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Q1) The typical cross sections have a note that states to cold plane AC Pavement 0.50' and place 0.50' of AC Paving. Below this area is another note which says Exist. 0.50' AC & 0.70' AB. Is the area defined by the latter existing note correct? That is, are we cold planing 0.50' of (E) AC and there will still be another 0.50' of AC beneath that or is the total AC section 0.50'? In which case we would be cold planing all the way to the existing AB.
A1) Approximately 0 .50’ of AC, and 0.70’ of AB define the total existing cross-sections. Of which, the existing 0.50’ AC is to be removed (Cold Plane AC Pvmt), and replaced with 0.50’ AC (Type A).