COM 0178.000 2006-2008 - Laserfiche WebLink

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S f drainage plan approved by the Department of Public Works. Plan approval is a review by the Planning Department that is required of new construction, except in the RS, RA, A, FA, and IA zones and single-family dwellings in all zones. For example, a new apartment building, hotel, industrial building, or commercial building would need plan approval. The CZARA does not cover agricultural uses, but the proposed Chapter 25 amendments include a new requirement that "major agricultural products processing facilities" receive plan approval. Although these are allowed in Agricultural zones as a matter of right, they are often more like industrial buildings, and it would be more in keeping with the spirit of the CZARA to include such buildings under the requirements. A few types of uses that require plan approval will not need the site drainage plan, such as the change in use of existing buildings (Section 25-2-71(b)). 3. Chapter 27 (Flood Control) -The requirements of the site drainage plan are contained in the proposed amendments to Section 27-20. Chapter 27 is the County's flood control code, and technically, the Planning Commission does not need to review changes to Chapter 27. The proposed amendments, however, are a package and have to be reviewed in combination with the changes to Section 27- 20. The site drainage plan also requires that the developer provide a storm water system that contains rainwater onsite up to the one-hour, ten-year storm, and discharge it into a drywell or other infiltration device. RECOMMENDATION For the reasons cited above, the Planning Director is initiating amendments to Chapters 23 (Subdivision), 25 (Zoning), and 27 (Flood Control) and recommends that the Planning Commission send a favorable recommendation to the Hawaii Courny Council. The accompanying draft bill to amend Chapters 23, 25 and 27 is provided for your favorable consideration. -3-