Springfield, Ill.-based engineer Crawford, Murphy & Tilly Inc. (CMT) has a transformative effect on the design issues it encounters.
To contend with sanitary sewer overflows in an area served by a 9.4-mile-long section of trunk sewer, Metropolitan St. Louis Sewer District (MSD) initially considered constructing a $120-million to $160-million deep tunnel relief sewer until, during a predesign study, client and CMT began to brainstorm.