Hello everyone,
our soil report arrived last week, and the earth appears to be of good quality and can be used for backfilling.
Unfortunately, a water exposure class W2.2-E was identified, and the developer therefore recommends a waterproof concrete basement structure ("white tank") due to the presence of groundwater pressure. The construction site is a vineyard with a gentle slope, and the winemaker who has worked the land for over 30 years told me in a conversation that he finds this surprising and does not understand where the groundwater pressure would come from.
Of course, we are both laypeople, so my question is: I have heard that soil experts nowadays tend to be cautious and assume a worst-case scenario. Would you install a waterproof concrete basement in this exposure class? What information would you need to be able to give advice on this?
Thank you!
our soil report arrived last week, and the earth appears to be of good quality and can be used for backfilling.
Unfortunately, a water exposure class W2.2-E was identified, and the developer therefore recommends a waterproof concrete basement structure ("white tank") due to the presence of groundwater pressure. The construction site is a vineyard with a gentle slope, and the winemaker who has worked the land for over 30 years told me in a conversation that he finds this surprising and does not understand where the groundwater pressure would come from.
Of course, we are both laypeople, so my question is: I have heard that soil experts nowadays tend to be cautious and assume a worst-case scenario. Would you install a waterproof concrete basement in this exposure class? What information would you need to be able to give advice on this?
Thank you!
K
k-man20214 Apr 2023 13:02I can only confirm everything mentioned. We are also building on a slope, with a waterproof basement. Although we have forest instead of a vineyard on the hillside, there are no openings in the basement; it is a watertight concrete structure and additionally sealed on the outside.
X
xMisterDx6 Apr 2023 23:07Anything else would just follow the motto, "I don't need winter tires because I never drive when temperatures are below 4°C (39°F)."
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