In addition to protecting perzed soil under hot workshops from the influx of surface and groundwater from the surrounding area to improve the base under the supporting pillows of the racks of warm buildings, all frozen soil from the entire area under the building and around it, unless the soil is stony, pebble or coarse, remove a width of 1 — 2 m and to a depth of at least 1 m below the immersion in the soil of the most in -depth installations (approximately 3 — 5 m below the upper surface of the permafrost).
Murmular soil: what supports to give preference