To Find and Modify Duplicate Linework

Place a fence around the source linework.
From the Topology Cleanup toolbox, select the Find Duplicate Linework tool.
From the Find Duplicate Linework tool settings window, select a Mode type.
If applicable, turn on Facetize and specify the Columns and Rows, and set the Level where duplicates will be relocated.
Accept a data point to find and modify the linework.
Shortly, the duplicates are modified. A Results window shows the outcome.

Note: The results may be saved or appended to a text file by selecting the appropriate option from the Results window’s File menu.