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Using existing water drainage channels under roads

Using existing water drainage channels under roads

Using existing water drainage channels under roads

(OP)
Hello
I have a question relating to the use of existing rainwater channels under highways (I´m not sure about the correct technical term for these channels, as I am a chemical engineer).
I need to pass a pipeline through (under) a highway, and was thinking of using the existing water drainage channels to do this. Howver, a colleague told me that the curent standard in my country doesn't allow the passage of new pipelines through existing water drainage channels. My question is: do you know any standard that allows for this use of water channels? How can this be done?
Thank you

RE: Using existing water drainage channels under roads

When you say drainage channel, are you referring to an open channel such as a stream or a ditch, or are you referring to a pipe?   What type of pipeline are you going to install?

RE: Using existing water drainage channels under roads

(OP)
In this case it is a concrete open channel, not a pipe. We intend to install a gas pipeline.

RE: Using existing water drainage channels under roads

Your first concern is the integrity of the pipeline, and locating in on the surface of a concrete channel makes it susceptible to structural damage and to corrosion.   The normal method for a roadway crossing (at least in my area) is to locate the pipe line in a casing pipe.   The casing is usually steel pipe and can be augered i place.  This provides protection for the pipeline and allows it to be removed without excavating the roadway.   Surface mounting a pipeline to a concrete channel is not a gooed idea.

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