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[coolidge]

Knew it was coming soon, had a polite chat with the road foreman for the town today, guess the neighbors don't like the "bump" from when I dug up the road and installed my Logstor. Town officials are saying the heatloss from my underground pipe is causing the road to go too hell, Politely explained to the foreman there was No heatloss on my 75 ft run. 185 at boiler 185 at manifold. Can't help that it's all clay with absolutely no drainage.

[slimjim]

Show them your temp gauges, the fresh fill will settle after the frost comes out of the clay

[coolidge]

Where I dug is fine, on both sides for at least ten feet, the road heaves badly.

We talked about digging the hot top out and a couple inches if clay and installing some  foam insulation board and repave, try token the ground from freezing, with some drainage of course.

[MattyNH]

How are you able to dig up a town road to run pipe?

[coolidge]

With the then road commissioner approval. He is no longer in that position though.

[mlappin]

It takes years for clay to properly settle, we installed some drain tile 3 years ago in a field across the road and it will probably take a pass with the small disc again this year to get rid of the dip.

I installed the Logstor in the fall of 2014 and used a chain trencher set up for a 6 inch trench thru the yard, looks like I’ll need to add a little again this spring as you can see that it settled more. I also aded more railroad rock to the 2 spots we crossed the drive with the logstor a month ago.

Typical practice here when a culvert needs replaced under the road is to dig it up, replace it, then just keep adding gravel until it’s done settling then it’s repaved. May take up to a year before it’s done settling in and more gravel isn’t need to keep it level.

What you’re describing we’d consider normal here.