Storm Sewer Analysis & Design Utilizing Hydrographs

by Bernard L. Golding, Consulting Water Resources Engineer, Orlando, United States,

Document Type: Proceeding Paper

Part of: Engineering Hydrology


In this paper a computer model, designated STORM.HYD, for the analysis and design of storm sewer systems utilizing a hydrograph procedure is presented and discussed. This model which actually consists of several different computer programs, computes an inflow hydrograph at each structure of a particular sewer system by the Santa Barbara Urban Hydrograph method with rainfall-excess being computed by the Soil Conservation Service's Runoff Curve Number procedure. The hydrographs are then summed and/or routed through the sewer system by the model to give the outflow hydrograph. The programs constituting the model are completely interactive and will analyze or design a complete tree-like system in a single run. Included in this paper are the results of the simulation by this model of several actual rainfall/runoff events from a complex urban basin.

Subject Headings: Hydrographs | Computer models | Sewers | Storm sewers | Hydrologic models | Urban areas | Interactive systems | Rainfall-runoff relationships

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