ITC-Midwest acquired Alliant Energy’s Interstate Power and Light Company (IPL) high-voltage electric power lines and substations (34.5 kV and above) in Iowa, Minnesota, and Illinois. With that acquisition came over 43,000 equipment vendor drawings, bills of material, and other miscellaneous drawings on microfiche aperture cards.
To speed its ability to read these drawings, ITC-Midwest contracted with Commonwealth Associates, Inc. to convert the cards to electronic files. The ITC-Midwest team in Dubuque, Iowa, shipped the aperture cards to Commonwealth, where we catalogued each card and sent them on to our imaging subcontractor for conversion to *.tif format. Once scanned, the cards and electronic images were returned to Commonwealth, where we quality checked and catalogued each image before sending them on to ITC-Midwest for inclusion in its on-line document management system. We also checked to be sure all physical cards had been returned before sending them back to ITC-Midwest for archiving to off-site storage.