Transcription of CHAPTER 202
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INDIANA DEPARTMENT OF TRANSPORTATION 2013 DESIGN MANUAL CHAPTER 202 Hydrology Design Memorandum Revision Date Sections Affected 14-02 Feb. 2014 , Figure 202-3B, Figure 202-3C Page 2 2013 Indiana Design Manual, Ch. 202 TABLE OF CONTENTS LIST OF FIGURES .. 4 INTRODUCTION .. 5 Hydrology Definition .. 5 Exceedance Probability .. 5 Q Definition .. 5 Estimating Flow Rate .. 6 HYDROLOGIC-ANALYSIS PROCEDURES .. 6 Data Gathering and Preliminary Studies .. 6 Hydrologic Factors .. 6 Determining Drainage Area .. 7 Determination of Soil, Vegetation, and Land-Use Factors .. 8 Determination of Time of Concentration .. 8 (01) Sheet-Flow Method .. 9 (02) Shallow-Concentrated-Flow Method.
Page 4 2013 Indiana Design Manual, Ch. 202 LIST OF FIGURES Figure Title 202-2A Example of TR-55 Time of Concentration Worksheet 202-2B Manning’s Roughness Coefficient, n, for Sheet Flow
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