I attended the UT Knoxville Civil/Environmental graduate school and found it to be an outstanding choice. They were probably the happiest 1.5 years of my life. I interviewed at several other grad schools, and generally found a lack of available graduate funding / assistanships.
I got into UTK...
I'm installing an 8-inch water transmission using C-900 pipe. I've seen criteria for concrete retards for sewer pipe and drainage pipe with slopes in excess of, say 12%. I am not aware if retards are required for potable waterlines. Any comments?? My route will have slopes of up to 40%.