Dublin, Ohio, and Lee’s Summit, Mo., are two very different cities — the latter more than twice as large. Yet both apply the same basic technologies to inspect and manage their critical underground infrastructure.Dublin, a northwest suburb of Columbus with 41,000 population, installed its sewer system in 1974. It includes some 220 miles of gravity line, of which 38 percent is clay tile and the rest concrete trunk and plastic. The Streets and Utilities division deals mostly with sewers, but also does some basic stormwater conduit cleaning and inspection. All wastewater is treated at a regional facility in Columbus.Lee’s Summit,
