I-SNR1200 yokugrumba isixhobo luhlobo oluphakathi noluphezulu olusebenzayo oluphezulu lwe-hydraulic yokusebenza kwemithombo yamanzi yokugrumba ukuya kuthi ga kwi-1200m kwaye isetyenziselwa amanzi kakuhle, ukubeka iliso emithonjeni, ubunjineli bepompo yobushushu bomhlaba-umthombo wobushushu, umngxunya wokuqhushumba, ibholiti kunye ne-ankile intambo, imfumba encinci njl.Ukuxinana kunye nokuqina ziimpawu eziphambili zesixhobo esenzelwe ukusebenza ngeendlela ezininzi zokugrumba: ukusasaza ukujikeleza ngodaka nangomoya, ezantsi emngxunyeni wokugrumba isando, ukujikeleza okuqhelekileyo. Iyakwazi ukuhlangabezana nemfuno yokomba kwiimeko ezahlukeneyo zejoloji kunye neminye imingxunya ethe nkqo.