Kana zvasvika kune dzakaoma, dzakavimbika kudhiraivha tsvimbo, TDS inogadzira yepamusoro-mhando HDD (Horizontal Directional Drilling) pombi yekuboora uye tooling.Zvigadzirwa zvedu zvemhando yepamusoro zvakachinjika zvekuchera zvinokunda mapurojekiti anonyanya kudiwa.Kubva pakuita tunnel pasi penzira kusvika pakuchera pasi penzvimbo dzine vanhu vakatsvikinyidzana pamwe nenzvimbo dzisingatarisi nharaunda, tinosevha madiki kusvika epakati nepakati akachinjika.Kunyanya isu tinogadzira uye nekupa tambo dzechibhorani dzinoenderana nemapombi einotevera HDD's.