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|Title:||STORM WATER MANAGEMENT FOR AN INDIAN TOWN EMPLOYING WATER SENSITIVE URBAN DESIGN PHILOSOPHY|
MICROSCOPIC APPROACH PLANNING
|Abstract:||Hydrology of urban areas is dominated by preponderance of impervious surfaces and presence of manmade drainage channels. Engineering objective when dealing with urban hydrology is to provide for control of peak flows and maximum depths at all locations within the drainage system. Rational formula and SCS method have been explained with illustrative examples to provide an understanding of urban hydrology. Storm Water Management Model (SWMM) is a rainfall runoff simulation model which can be used for single event or long-term (continuous) simulation of runoff quantity and quality from primarily urban areas. Only runoff component routing and detention pond portion of the SWMM have been explained and applied in the present study. SWMM 5 is the latest version of software which has been downloaded from internet and studied in detail. One application studies are provided in this dissertation and the studies is for simulating different storm runoff. Study deals with existing drainage system of ADARSH NAGAR area. Field survey and filed data have been collected to provide properties of subcatchments and existing drainage as per requirement for use of SWMM. Even though it is combined sewer system in ADARSH NAGAR area. A record of observed daily rainfall values, of length 30 (1981-2010) years, were collected from Department of Hydrology, UT Roorkee. Design storm hyetographs for 4-hr, 6-hr and 12-hr duration of 25 year storm runoff drainage has been considered. It is found that existing layout and capacities are not able to handle 25 year storm event. Computer based Storm Water Management Model can be used in several practical applications. This study provides an understanding of urban hydrology and microscopic approach to planning of urban drainage and illustrate procedure for achievement of this engineering objective of urban hydrology i.e. control of peak flows within the drainage system. iii|
|Appears in Collections:||MASTERS' DISSERTATIONS (Hydrology)|
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