This standard covers jet grouting operations for the purpose of enhancing the water impermeability of soil,rock and backfill.
1.2It does not deal with
—the associated drilling work (Cf. DIN 18301);
—grouting other than jet grouting (cf. DIN 18309).
1.3Clauses 1 to 5 of DIN 18299 shall also apply. In cases where the specifications of DlN 18299 contradict the present standard,the latter shall take precedence.