ODOT, FRA-270-17.28, IR-270/US-33 Interchange Improvements, Columbus OH

National Engineering & Architectural Services Inc.  (NEAS Inc.) was hired as a subconsultant to provide survey, SUE and geotechnical services for the reconstruction of the I-270/SR-161 interchange to include replacement of loop ramps with flyover ramps and possible widening of US 33 from Avery Road to Frantz Road. NEAS Inc. survey crews conducted field survey to establish the existing centerline alignments of I-270 (SLM 16.00 to 18.50) and US 33 (SLM 1.30 to 3.20). Additionally NEAS Inc. was retained to provide full structure surveys for eight structures within the project corridor. SUE work involved locating and collecting top of water line data. All deliverables were prepared in conformance with ODOT standards and were submitted in MicroStation format.


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