oemodm Posted May 23, 2014 Share Posted May 23, 2014 Hello everyone, Is there a way to determine the frost line depth? We're in Bourganeuf. I've contacted the Marie and local estate agents but not hopeful of a reply. Need to bury some pipes in the garden which carry thermal water supply from solar panels. Tubing is insulated but needs to be below frost line. If the frost line isn't known, how deep should I bury it to be sure? 1 metre? 2 metres?Any guidance would be wonderful. thanks / simon Link to comment Share on other sites More sharing options...
oemodm Posted May 23, 2014 Author Share Posted May 23, 2014 OK I found the answer. 67cm Link to comment Share on other sites More sharing options...
Pierre ZFP Posted May 23, 2014 Share Posted May 23, 2014 I am intrigued how you found outObviously it depends on factors like location and winter temperatures so is there a website for this? Link to comment Share on other sites More sharing options...
Pickles Posted May 23, 2014 Share Posted May 23, 2014 I am rather more intrigued by the timestamp of the posts: are the insomnia fairies particularly active in your neck of the woods? Link to comment Share on other sites More sharing options...
oemodm Posted May 24, 2014 Author Share Posted May 24, 2014 I would love to have insomniaLeroy merlin and other building sites have generic depth maps. Then you'll increase depth depending on altitude. Link to comment Share on other sites More sharing options...
andyh4 Posted May 24, 2014 Share Posted May 24, 2014 I strongly counsel adding a good safety margin. Our commune water supply is built to the norms but this did not stop the supply to our house and to several other properties around the commune from freezing for a period of 19 days 2 winters ago. Link to comment Share on other sites More sharing options...
oemodm Posted May 24, 2014 Author Share Posted May 24, 2014 Thanks Andy. What do you reckon. Extra 30%, 50%? Link to comment Share on other sites More sharing options...
andyh4 Posted May 25, 2014 Share Posted May 25, 2014 I could only guess, but I would have thought 30% would probably be enough. Link to comment Share on other sites More sharing options...
crakpot Posted May 25, 2014 Share Posted May 25, 2014 It was a quick measure 9 years back my water supply was 5 foot in the air in metal pipes when I arrived most frosty mornings I had to take a blow lamp to a 20 foot length to have flowing water. I replaced the length with plastic only a few inches deep The idea was to bury them deeper when the ground thawed I never got around to it and not once has the supply failed Link to comment Share on other sites More sharing options...
oemodm Posted May 26, 2014 Author Share Posted May 26, 2014 crakpot. what a name. love it. where are you based, for reference please Link to comment Share on other sites More sharing options...
crakpot Posted May 27, 2014 Share Posted May 27, 2014 Hi 330 metres up just short of SpainPS I was toying with Swetinbedde,Gyldenbolloks,and Glasscock very old Saxon surnames Link to comment Share on other sites More sharing options...
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