![By the Book](https://cole-plumbermag.imgix.net/https%3A%2F%2Fwww.plumbermag.com%2Fuploads%2Fimages%2Ffranklin_9.jpg?crop=focalpoint&fit=crop&fp-x=0.5&fp-y=0.5&h=620&ixlib=php-1.1.0&q=75&w=1024&s=7d96e3bc448bf57782780037f35dcf11)
Strong sewer odors permeating Franklin (Illinois) High School triggered complaints to Darrin Seymour, maintenance superintendent. He knew the problem stemmed from cracks in a 6-inch ductile iron main. The 205-foot-long pipe hung in a utility corridor beneath the main hallway, but...