Hydraulic Efficiency of Grate and Curb Inlets - Urban Drainage and ...

LIST OF FIGURES
Figure 1-1: Map of the Urban Drainage and Flood Control District (UDFCD, 2008)....................2
Figure 2-1: Inlet types (UDFCD, 2008)...........................................................................................7
Figure 2-2: Typical gutter section with composite cross slope (UDFCD, 2008) ............................8
Figure 2-3: Curb inlet openings types (UDFCD, 2008) ................................................................13
Figure 3-1: Photograph of model layout........................................................................................22
Figure 3-2: Flume cross-section sketch (prototype scale) .............................................................23
Figure 3-3: Manning’s roughness for the model-scale street section at expected flows ...............24
Figure 3-4: Curb inlet gutter panel during fabrication (Type R) ...................................................29
Figure 3-5: Combination-inlet gutter panel during fabrication (Type 13 and 16 grates) ..............29
Figure 3-6: Type 13 grate photograph ...........................................................................................30
Figure 3-7: Type 16 grate during fabrication.................................................................................30
Figure 3-8: Single No. 13 combination photograph ......................................................................31
Figure 3-9: Double No. 13 combination photograph.....................................................................31
Figure 3-10: Triple No. 13 combination photograph.....................................................................32
Figure 3-11: Single No. 13 combination with 4-in. curb opening photograph..............................32
Figure 3-12: Single No. 13 combination with grate only photograph ...........................................32
Figure 3-13: Single No. 13 curb opening only photograph ...........................................................33
Figure 3-14: Single No. 13 combination debris test one photograph ............................................33
Figure 3-15: Single No. 13 combination debris test two photograph............................................33
Figure 3-16: Single No. 16 combination photograph ....................................................................34
Figure 3-17: Double No. 16 combination photograph...................................................................34
Figure 3-18: Triple No. 16 combination photograph.....................................................................34
Figure 3-19: Single No. 16 with 4-in. curb opening photograph...................................................35
Figure 3-20: Single No. 16 grate only photograph ........................................................................35
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