The centerline of a street is at an elevation of 98.60. A footing is to be located with the bottom of the footing 2`6` below the centerline of the street. A backsite to the centerline of the street reads 5`8″. A frontsite to the location where the footing is to be located 3`4″. How deep do you need to dig?

The centerline of a street is at an elevation of 98.60. A footing is to be located with the bottom of the footing 2`6` below the centerline of the street. A backsite to the centerline of the street reads 5`8″. A frontsite to the location where the footing is to be located 3`4″. How deep do you need to dig?