Use the following situational facts for questions. 12 - 15 Two different "excavators" are contracted to complete new storm sewer installation lines. This project will extend for over 3 miles on the outskirts of a town to incorporate coverage to new residences and planned retail buildings. The storm sewer lines may cross other utility installations at times and be adjacent to city and state roads. This project is taking place in Kentucky. Question: How soon should you notify 811 from the planned start to excavation operations or digging