ʻŌwili wela ʻano UPuʻu Pepa kilaHiki ke hoʻohana ʻia, ma ke ʻano he mea kūkulu hale hou, ma ke ʻano he mea paʻa lepo, paʻa wai a me ka pā paʻa one i ke kūkulu ʻana i ka cofferdam alahaka, ke kau ʻana i nā paipu nui a me ka ʻeli ʻana i ka ʻauwai no ka manawa pōkole. He kuleana koʻikoʻi kona i ka ʻenekinia e like me ka pā paʻa, ka pā paʻa a me ka pale ʻana i ka embankment ma ka uwapo a me ka pā hoʻokuʻu. ʻO ka puʻu pepa kila Larsen ma ke ʻano he cofferdam ʻaʻole wale ia he ʻōmaʻomaʻo, palekana kaiapuni, akā he wikiwiki hoʻi ke kūkulu ʻana, haʻahaʻa ke kumukūʻai kūkulu ʻana, a he hana wai maikaʻi kona.