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<br />, <br /> <br />. <br /> <br />. <br /> <br />- <br /> <br />the technical aspects of the study shall contain a brief description <br /> <br />of the methods and sources of data used to establish the hydrologic <br /> <br />and hydraulic study. <br /> <br />Detailed description of standard methodologies, however, should <br /> <br />be avoided. The addendum shall contain all the basic data, hydro- <br /> <br />logic and hydraulic computations, a complete computer printout of <br /> <br />the final run(s) and other applicable data which was used to develop <br /> <br />the study and the report. <br /> <br />The technical addendum shall indlude the following types of data: <br /> <br />Drainage Basin Maps <br />Precipitation Maps <br />Soils and Vegetation Maps <br />Land Use Maps <br />Curve Number Calculations <br />Unit Hydrograph Coefficients and Equations) <br />Lag and Time of Concentration Calculations <br />stream Plow Records <br />Stream Flow Regionalization Analysis Data <br />Channel Roughness Coefficients <br />Expansion and Contraction Coefficients <br />Bridge and/or culvert Loss Coefficients <br />Water Surface Profile Computations <br /> <br />Any other data not included above, but used in the study shall <br /> <br />be included in the technical addendum. <br /> <br />~7- <br /> <br />