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Columbus › Departments › Public Service › Design and Construction › supplemental specifications
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Department of Public Service 111 N. Front Street
Columbus, OH 43215 Office : (614) 645-3111 Fax : (614) 645-7805 Email : Contact Information
Supplemental Specifications are listed below.
Refer to the ODOT Supplement if the City supplemental specification is not listed below. ODOT Proposal Notes, Supplemental Specifications, and Supplements