Ingelosi inika ukhetho olukhulu lweenkqubo zokucoca amanzi ukuze
ukuhlangabezana neemfuno ezithile zaso nasiphi na isicelo sorhwebo okanye ishishini.
Gxininisa kwintsimi yezisombululo zokucoca amanzi zorhwebo iminyaka engaphezu kwe-20, kwaye uphathe ngaphezu kwamatyala angama-5000.Sinemizila yeemveliso ezityebileyo kunye nobuchule bokuvelisa, obunokubonelela ngexabiso eliphantsi, elipheleleyo kunye nesisombululo esisebenzayo sokuhlanjululwa kwamanzi zorhwebo kwizakhiwo zokuhlala, izakhiwo zeofisi, iivenkile zokutyela, izibhedlele, izikolo, iinqwelo-moya, iipaki kunye nezinye iindawo zoluntu ezineemfuno ezininzi zokucoca amanzi.