Storm CAD is a comprehensive modeling software program for design and analysis of storm sewer system. Storm CAD provides calculations for catchment runoff, inlet capacity and gutters & pipe network flow. Storm CAD can import and export drainage data directly from INROADS, Storm CAD allows the input of external contributing areas, additional flow and carry over flow to model non-local runoff contributing to the discharge at any inlet. Stom CAD provides several methods for computing travel time,

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... ncluding full pipe velocity, normal velocity, average end velocity and weighted average velocity. For the efficient functioning of the any housing or industrial sector proper drainage facilities is a must. To overcome these problems simulation of the existing network of the areas or zones is essential is carried out by using Storm CAD. Effective management of storm water runoff is the basic necessity which will help in satisfying the above objectives. Absence of storm water management will result in pollution, sedimentation, local flooding, stream channel instability, declination in the level of ground water table etc. These effects can be reduced to some extent by having a well-designed drainage network. A properly designed storm drainage network will contribute in appropriate disposal of storm runoff, which will help in reducing the stagnant water bodies' formation in the locality due to inappropriate execution of drainage network