Uma kukhulunywa ngezinduku zokubhola eziqinile, ezithembekile, i-TDS ikhiqiza ipayipi lokubhola lekhwalithi ephezulu ye-HDD (Horizontal Directional Drilling) kanye namathuluzi.Imikhiqizo yethu yekhwalithi ephezulu yokumba eqondile inqoba amaphrojekthi adinga kakhulu.Kusukela emhubheni ngaphansi kwemigwaqo ukuya ekubhobozeni ngaphansi kwezindawo eziminyene kakhulu kanye nezindawo ezizwelayo emvelweni, sisevisa zonke izinsimbi zokubhola ezinkulu ezincane ukuya kwamaphakathi nosayizi ovundlile.Ikakhulukazi senza futhi sinikeze izinsimbi zokubhola namapayipi ahambisanayo kuma-HDD alandelayo.