FIELD: lining and repairing pipe lines. SUBSTANCE: two members of a protecting covering, made of, e.g. snow or ice, are built-up on both sides of the projecting axis of a pipe line. A trench is made between the members of the covering. For this purpose, the mineral soil is ground up to 5 cm fraction and placed on the surface of the covering. A pipe line is laid into the trench and the trench is filled with the fine fraction soil. The humus coating is then restored. EFFECT: simplified method. 4 cl, 3 dwg
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|---|---|---|---|
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SU1745836A1 |
