He paʻakikī ka hana ʻana o ka lua hāmama i nā kūlana hana, me ka nui o nā papa hana lepo o ka ʻiliʻili a me ka pālolo.Hoʻohana nui ʻia ʻo DH24C2 no ka wehe ʻana i ka lua o ka lua hāmama, ka lawe ʻia ʻana o ka lepo e nā kaʻa slag i ke awāwa, a laila hoʻohana ʻia ʻo DH24C2 no ka hana backfill.Ke hana mau nei ka mīkini no 20 mau hola i kēlā me kēia lā, hoʻonui ka hana kiʻekiʻe i ke koi kiʻekiʻe ma ka hilinaʻi o ka mīkini.I kēia manawa, ua hana ʻo ia no 3,600h me ka hāʻule ʻole, ka mea i lanakila i ka ʻoluʻolu o ka mea hoʻohana kiʻekiʻe a alakaʻi i nā kauoha kūʻai no nā mīkini DH24C2 he nui ma kēia wahi.
