Ma mua o kēia makahiki, ua hoʻopaʻa ʻo Dutra Group i kahi ʻaelike mai ka Army Corps no ka mālama ʻana i ka dredging makahiki o ka Sacramento River Deep Water Channel (DWSC).
Hoʻopili ka papahana i ka dredging makahiki o ke kahawai ʻo Sacramento DWSC i -30-ft (MLLW) a me 1-ft o ka hohonu o ka uku a me ka lawe ʻana i nā mea dredged i nā wahi hoʻolei uka.
Ua hoʻokuʻu ka hui i nehinei i nā kiʻi e hōʻike ana i ka clamshell dredge DB24 me ka dump scow KS10 ikaika i ka hana ma kēia papahana.
ʻO kēia papahana miliona miliona, i hoʻomaka i ʻAukake 2022, e hoʻopau ʻia i nā mahina e hiki mai ana.
ʻO ka Sacramento Deep Water Ship Channel he papahana hoʻohana haʻahaʻa, hohonu-draft i ʻae ʻia e mālama i kahi kahawai hohonu 30-kapuaʻi no ka 43 mile kiʻekiʻe o kahi awāwa moku 80-mile lōʻihi.Hoʻopili ia i ke awa o West Sacramento me ka Moana Pākīpika.Aia pū i ka papahana he 33 mau mile o ka hoʻokele ʻelua kumu a me nā ʻili pale wai.
He mea koʻikoʻi ke kahawai moku o ka kaiaola kaiaola Kaleponi Bay Delta a kākoʻo i ke awa o West Sacramento kahi loulou koʻikoʻi i ka ʻoihana mahiʻai o Kaleponi.