Engineering Standards

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Marion County Public Works Engineering Standards

These are the Public Works Engineering Standards of Marion County. They establish the general criteria and detailed standards used for work both within public right-of-ways and dedicated easements of the county. They shall govern:

A. The design of roads, streets, and appurtenances in unincorporated areas within county right-of-ways and roadways in incorporated cities under county jurisdiction.

B. The design of drainage facilities, including those associated with public right-of-ways, roads, paved driveways, and parking and loading areas on private property, as well as stormwater quality treatment facilities in the Stormwater Management Area.

C. The use of public right-of-ways and drainage easements for other purposes and facilities to insure that such other uses do not adversely affect the integrity, use and maintenance of the roadway and drainage facilities.

D. Where improvements to public roadways and drainage facilities are required under the authority of the Marion County Zoning Ordinance and the Marion County Subdivision and Partitioning Ordinance, such improvements shall conform to these standards.

Interpretation and enforcement of these standards shall be the responsibility of the Marion County Department of Public Works.

These standards shall apply to new and reconstructed facilities. Funds will not be available in the foreseeable future to bring all existing facilities up to these standards.

These standards are intended as a working document to provide a common understanding for design affecting Marion County roads and public right-of-ways. As such, they will be revised and updated periodically.

2021 ADA Design Standards & Forms