ROH §43-11.5
Approval of drainage plans
Read the official text at honolulu.gov ↗If you are building in certain flood-prone areas shown on maps, you must get the chief engineer's approval for your drainage plans before you can get a building permit. This section only covers that approval step.
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The ordinance, as written (Honolulu County) — Approval of drainage plans
A copy, taken August 22, 2026. The version published by Honolulu is the one that governs, and it may have changed since. Check it before relying on anything here.
Any applicant for a building permit for the construction of a structure within the areas indicated in Exhibits A through M, mentioned in § 43-11.3 , shall submit plans for the improvement or construction of drainage facilities to the chief engineer for approval. Upon approval of such plans, the applicant shall be entitled to the issuance of the building permit, if all other requirements of law have been complied with.
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Published by the City and County of Honolulu through American Legal Publishing.
LawTrove is not legal advice. The summary above is a computer-generated restatement — the authoritative text is the official version linked above.