1.1 Site utility trench along column line 12 is excavated to 4 feet 0 inches below finished grade for the incoming electrical duct bank.
1.2 Site utility trench along column line 18 is excavated to 3 feet 0 inches below finished grade for the domestic water tie-in.
2.1 Site grading slopes away from the building at a minimum 2 percent for the first 10 feet.