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Korea has experienced serious flood damages caused by severe torrential rain and typhoons for the last decade. Moreover, large cities have recently suffered from not only rainwater overflow through sewages from paved space in the rainy season, but also water shortage from drought and water abuse. Accordingly, it is time to prepare some prevention to resolve the negative effects caused by rainwater at urban space.
The purpose of this study is to develop rainwater management and support systems in the field of rainwater utilization facility, storage and infiltration facility. In this study, the definition of rainwater facility is to include the above three facilities. Especially, this study aims to improve the regulations and support system related to rainwater. The finding and conclusion of this study are as follows.
First of all, this study establishes a new paradigm which puts water utilization, flood control and environment together. Based on this concept, the regulations of rainwater are suggested to be revised as follows: the provisions early made by water law will expand the scope of application to national land plan law; or it will make a new law for just rainwater management. The result after considering these two methods, a suitable method for effective management of rainwater is going to be enacted as a new law.
On the other hand, rainwater is a very useful and environmental resource. However, it has not usually been used by people in real life because of the inconvenience and economic feasibility. Accordingly, this study suggests several support systems including incentive allowance such as tax and water-supply wage rate reduction and capacity release in building, offer of low rate bank-loan as well as a levy on water-supply use. However, the best way for attractive rainwater management is strongly required to work efficiently
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A Study on the Effective Management Method for Rainwater
효율적인 빗물관리방안 연구 Kwang-Mook Kim, Seung-Bok Lee January 2004․250 pages․Korean
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in cooperating the above outputs in concrete regulations.
Consequently, under the unstable climate situation for the last few decades, it must be seriously considered by the central government and local governments as well as the public. Therefore, the central government has to establish rainwater law as soon as possible. And then, local government must make a regulation for suggesting the guideline to establish rainwater utilization facilities in such places as house, apartment and small size of building, etc. Simultaneously, the public information and training should be operated to educate people for the significance of rainwater and to install the rainwater utilization equipment in houses and small buildings.
