1. ʻO ka maʻemaʻe, ʻaʻohe mea ʻawaʻawa, ʻaʻohe fouling, ʻaʻohe microorganisms, a hōʻoiaʻiʻo i ka maikaʻi o ka wai

2. Kūʻē i ka ʻino kemika, ka lepo a me ka ʻino o ke kai, ke kūʻē cathodic disbondment.

3. ʻO ke kaʻina hana hoʻonohonoho he makua, kūpono, a wikiwiki hoʻi, a ua like ka pilina me ka paipu galvanized maʻamau

4. Kūleʻa maikaʻi i ka wā, kūpono i nā wahi paʻakikī e like me nā wao nahele a me ka saline-alkali

5. Paʻa paipu maʻemaʻe, hoʻomaikaʻi i ka lawe ʻana i ka pono a me ke ola lōʻihi