| 摘要 |
A method for renovating a well curb by lifting it to a first position, whereafter a compressible device is positioned around the well curb. Hereafter the well curb is lowered to a second position so that the compressible device is abutting the upper edge of the well, whereafter a casting material is injected into the cavity between the surface dressing and a filling around the well. Finally the well curb is lowered to a third and final position. Also, a compressible device for use in the method. |
