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I'm doing grading and utility design for a campground in a Minnesota state park. The campground consists of full RV hookups -- sewer, water and electric. Just curious, but any advice on daily volume of sewage production you would assume for design? Also, our sewage will need on site treatment...

Situation: I recently had a 10-inch sanitary sewer line installed by directional bore. The depth of the line ranged from 21 to 30 feet, so I specified a DR-9 thickness smooth-wall HDPE (which actually gives an inside-diameter of about 8 inches, but that is the design I needed for my flow-line)...

I work for a municipality in Minnesota that is currently in the throes of an agressive capital improvement plan for reconstructing residential streets and improving utility service. As part of our street projects, we specify a bituminous joint saw-and-seal after the wear course lift is placed...

dicksewerrat: Yep. My intent is to put the downspount down into the pipe and to have an open-air transition between the downspout drain and the rain leader. BTW, if it does freeze and plug, I do have an overflow route. The stubs and leaders are buried to 5 feet. Iha: I would have wanted to...

I would like to get an opinion from someone on roof drain leads. Here's the situation: Got a building with a roof. Owner does not want to go with internal plumbing with the roof drains to my one stub to the building. The Owner has decided to go with external downspouts. However, I have to...

I have seen situations where they have built up manholes despite interference from utilities. Usually it involved "cutting" a side of the manhole structure square with the sidewall of the excavation that contained the interfering utility (as opposed to a full round structure) For example, we...