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Full Version: design of strom water drainage system of tps 43(bhimrad)
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Abstracts: A storm water drainage system should be designed to collect and convey run-off generated within a catchment area during and after rainfall events, for safe discharge into a receiving watercourse or the sea. This storm water is generally extremely foul, because of presence of human excreta in it. To maintain healthy living condition it should be as early as disposed off. To maintain the city neat and clean proper infrastructure facilities are required. Surat is a city of 2.5 million population (2001) spread over 112.274sq-km area and is the second fastest development city in India as per the 1991 census. SMC limit increases from 112.274 km to 326.515 Sq.km. As per SMC T.P. Scheme .It is necessary to developed a new storm drainage network and pumping station for this newly added area. Aim of designing storm network To protect life of human and other living ones against the damage due to flooding and preventive measure for the preservation of health of community of newly added area of Surat city. To protect properties, equipment & machineries etc. of individuals or public as well as infrastructure facilities available in the area against damage due to flooding.
A scientific drainage system to catch water from storms is a long-term ambition of society, especially in cities. The increase in development activities has wrongly called for the need to discharge runoff safely into the environment. It is often occurring that over-densification and modification of underdeveloped lands is also leading to increased flow with increased pollution. Regardless of the city, most of the face of our city will fracture, if a strong storm with high runoff is struck, due to inadequate drainage facilities. Most existing storm drains are in deteriorated stages and do not function properly, they lose self-cleaning, do not require proper maintenance and an incorrect design without any scientific basis, bottlenecks go like this. Proper rainwater design means adequate knowledge of a data collection such as understanding rainfall data clearly, knowing the infiltration rates, concentration time, rainfall intensity, runoff details, etc.

One of the most important factors in the design of sustainable rainwater drainage systems is the physical volume of storage that needs to be provided to achieve flood control and minimize the pollution impact of urban storm water runoff. This section on stormwater drainage begins by examining the performance of current drainage systems and the conditions that lead to flooding and poor water quality. More information on the management of inflow and infiltration can be found in the Regional Policy for Drainage, Infiltration and Exfiltration. Design and evaluation criteria for sewers, rivers and SuDS measures are proposed along with the design principles and procedures for estimating the volumes of individual SuDS facilities. Appendix E provides an illustration of the approach to assessing rainwater storage requirements. It is important to realize that all drainage systems are designed for a set of criteria that are subject to economic, social and environmental constraints. It is not feasible to design for all circumstances and there will always be cases where extreme events will exceed design criteria. Therefore, the design process must be one of risk management, so that the consequences of events larger than the design event are evaluated by their cost and environmental impacts.