The soil at this location from the results of the mapping geologi2 is interpreted as deposits of the slopes were sourced from weathering rocks of sandstone in the upper part. The thickness of this layer reach 9 metres and a land area of about 4 ha reserve. Thick soil average after deducting thick surface soil stripping presumed about 5 meters. From the above data, the amount of soil material from the backup location of alternative II can be calculated i.e approximately 200,000 m3.The location of the source of building materials include stone material, material reserves of sand and soil materials as outlined above can be shown in the map like in Figure 1.14.
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