(a) General Requirements. All research, investigation, monumentation, measurement specifications, plats of survey, descriptions, and subdivision plats shall conform to the Minimum Standards for Boundary Surveys in the State of Ohio, Section 4733-37-03 (Administrative Code) Ohio Revised Code. These standards are intended as a minimum requirement, and where the surveying profession requires or recommends a higher level of standards, the higher or most restrictive of such standards shall apply. Additional standards for monumentation may be found in the City Standard Plans and Specifications.
(b) Location. Monuments shall be placed at all angle points on the outside boundary of the subdivision. Iron pins shall be placed at all corners of all lots, intersections of the centerlines of streets, and at the beginning and end points of each curved street section centerline. In those cases where sanitary sewer manholes prevent the setting of monuments, such monuments shall be offset five feet (5') in each direction along the street centerline. Monuments are to be tied to existing City of Circleville monumentation and reported in Ohio State Plane South NAD83 (Horizontal) and NAVD29 (Vertical).
(c) When Set. Monuments in the street centerlines shall be placed upon the completion of paving of the streets. All other monuments are to be set upon completion of the street, water, sanitary sewer improvements, and over lot grading and before acceptance of improvements by the City of Circleville. Iron pins designating lots shall be set after grading of lots, but prior to pouring of sidewalks.
(d) Materials. Monuments to consist of, at a minimum, brass cap and 36" 5/8" rebar set in concrete. Iron pins shall be as per the standards cited above in subsection (a) hereof.
(e) Flood Plains. When all or part of a proposed subdivision is located within land subject to flooding, as defined in Chapter 1105 of this Zoning Ordinance, the Owner/Developer shall direct and cause the surveyor to place at least one benchmark tied to USGS elevation data.
(f) Reference to State Plane Coordinate System. The Owner/Developer shall direct and cause the surveyor to place and set at least one (1) intervisible pair of NGS Class C monuments referenced to Ohio State Plane Coordinate System.
(Ord. 06-45-2015. Passed 6-16-15.)