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Construction Trailer Utilities.

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martin888888

Civil/Environmental
Joined
Jun 15, 2010
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157
Location
US
We have a proposed signicant size construction trailer area. Per the owner, the area will be paved and sanitary and water services will be brought to the surface and ready for connection once trailers are moved in. We do have a trailer layout from the owner with 6' seperation between trailers. A few questions....
1) For the water, we will have 6" DIP mains running behind the trailers with 2" services required. I am thinking to install a 4"x2" DIP tee connection with a flange on the 2" side. A 2" gate valve will be connected directly to the tee. Since there is not 2" DIP we will have type k copper from gate valve and terminate 6" above ground.
a) for the copper connection to the gate valve is there a special fitting needed?
B) if we terminate it 6" above ground with a cap I am afraid of it being run over and destroyed while putting trailers in place. Anyone have any experience with this.
C) I believe type k copper is flexible and fittings are not needed?

2) for sanitary we have 8" mains running behind the trailers and will simply install a wye connection at the main and 4" lateral with it stubbed and capped flush with grade.
A) any reason to use an inserta tee instead of wye at the main. My experience is inserta tees are just used for connections to existing mains.
B) any self leveling sealant needed between where the line protrudes from the asphalt? The asphalt will be placed after the utility installation.
 
I have not seen one snap off in 20 years either. It's a 4" mainline. I think the easiest solution here is just a 4"x2" tee with a flanged 2" gate valve connected to it. You can then screw a flanged connection on a galvanized steel pipe and connect it to the gate valve. And then just cap a few inches above finished grade for trailer connection.
 
And these are new water mains being put in
 
Ok...now I understand. The main is 4". Your original post said the main was 6". Glad you got it all worked out.
 
It might end up being a 6", it serves 20 trailers. Thanks for the help
 
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