(a) At the time of surveying and laying out a subdivision or addition to a Municipal corporation, the proprietor of such subdivision or addition shall plant at the corner of the public ground or lot, if there is such, and if there is none, then at the corner of one of the inlots and at the corner of each outlot, a good and sufficient stone of such size and dimensions and in such manner as the surveyor, provided for under Ohio R.C. 711.01, directs, for a corner from which to make future surveys; and the point at which the stone may be found shall be designated on the plat.
(b) Such proprietor shall also set at least four permanent markers in each plat of ten lots or less and not less than six permanent markers in each plat containing over ten lots, and iron pins shall be set at all lot corners. The permanent markers shall be of one-inch pipe or steel rod set in and running through a concrete block at least six inches in diameter and at least thirty-six inches long, and the bottom of such concrete block shall be set at least thirty-six inches deep, below finished grade in the plat, and the points at which the markers may be found shall be designated on the plat.
(c) The perimeter corners of each outlot shall be concrete monuments of rectangular truncated prisms, six inches by six inches at the top and eight inches by eight inches at the base, and forty-eight inches long, with tops six inches above finish grade and carrying a permanent marked point in the top surface. (Ord. 1389. Passed 1-10-80.)