ᐅ What does this soil report from the neighboring property tell me?
Created on: 14 Oct 2014 12:51
T
Tugi2o
Hello everyone,
I am in the process of purchasing a building plot in Baden-Württemberg. It is located at approximately 326m (1070 feet) above sea level, while the neighboring property is 1m (3 feet) lower, at about 325m (1066 feet) above sea level. I plan to build with a basement. I received a soil report from the neighbor (borehole about 25m (82 feet) further south), which looks as follows...
What does this report mean for me????
0–0.05m (0–2 inches): clay, slightly gravelly, brown
-0.6m (-2 feet): silty clay, slightly sandy, yellow-brown, with many iron-manganese concretions
-0.8m (-2.6 feet): clayey silt, slightly sandy, brown, stiff
-2.15m (-7 feet): silty clay to weakly silty, stiff. Yellow-brown down to 1.5m (5 feet), below that yellow-brown to gray-blue marbled
-2.3m (-7.5 feet): gray-blue clay, stiff to soft, with bleached root residues
-3.15m (-10 feet): weathered to heavily weathered claystone, yellow-brown to light gray and blue-gray marbled, upper claystone texture barely visible, increasing disintegration to claystone fragments downward
Groundwater encountered from 3.2m (10.5 feet) depth
Thanks,
TuGi
I am in the process of purchasing a building plot in Baden-Württemberg. It is located at approximately 326m (1070 feet) above sea level, while the neighboring property is 1m (3 feet) lower, at about 325m (1066 feet) above sea level. I plan to build with a basement. I received a soil report from the neighbor (borehole about 25m (82 feet) further south), which looks as follows...
What does this report mean for me????
0–0.05m (0–2 inches): clay, slightly gravelly, brown
-0.6m (-2 feet): silty clay, slightly sandy, yellow-brown, with many iron-manganese concretions
-0.8m (-2.6 feet): clayey silt, slightly sandy, brown, stiff
-2.15m (-7 feet): silty clay to weakly silty, stiff. Yellow-brown down to 1.5m (5 feet), below that yellow-brown to gray-blue marbled
-2.3m (-7.5 feet): gray-blue clay, stiff to soft, with bleached root residues
-3.15m (-10 feet): weathered to heavily weathered claystone, yellow-brown to light gray and blue-gray marbled, upper claystone texture barely visible, increasing disintegration to claystone fragments downward
Groundwater encountered from 3.2m (10.5 feet) depth
Thanks,
TuGi
Soil replacement will probably be necessary, as you cannot build on clay (it is not frost-resistant, water accumulates in it, and on a slope, it also acts as a sliding layer). However, I would definitely commission an independent report, as soil conditions can change drastically from one centimeter to the next (in cases of buildup or sliding).