Volume 2-05, Chapter 3 - City of Wichita

Chapter 3 - Table of Contents
3.2.8.3 Pollutant Removal Capabilities .................................................................................... 99
3.2.8.4 Application and Site Feasibility Criteria ..................................................................... 100
3.2.8.5 Planning and Design Criteria ..................................................................................... 101
3.2.8.6 Design Procedures .................................................................................................... 106
3.2.8.7 Inspection and Maintenance Requirements .............................................................. 108
3.2.8.8 Example Schematics ................................................................................................. 109
3.2.9 Bioretention Areas ........................................................................................................................ 111
3.2.9.1 General Description ................................................................................................... 112
3.2.9.2 Stormwater Management Suitability .......................................................................... 113
3.2.9.3 Pollutant Removal Capabilities .................................................................................. 114
3.2.9.4 Application and Site Feasibility Criteria ..................................................................... 115
3.2.9.5 Planning and Design Criteria ..................................................................................... 116
3.2.9.6 Design Procedures .................................................................................................... 120
3.2.9.7 Inspection and Maintenance Requirements .............................................................. 122
3.2.9.8 Example Schematics ................................................................................................. 123
3.2.10 Stormwater Wetland ..................................................................................................................... 127
3.2.10.1 General Description ................................................................................................... 128
3.2.10.2 Stormwater Management Suitability .......................................................................... 129
3.2.10.3 Pollutant Removal Capabilities .................................................................................. 130
3.2.10.4 Application and Site Feasibility Criteria ..................................................................... 130
3.2.10.5 Planning and Design Criteria ..................................................................................... 131
3.2.10.6 Design Procedures .................................................................................................... 138
3.2.10.7 Inspection and Maintenance Requirements .............................................................. 140
3.2.10.8 Example Schematics ................................................................................................. 141
3.3 Secondary TSS Treatment Facilities ...................................................................................................... 145
3.3.1 Proprietary Treatment Systems ................................................................................................... 147
3.3.1.1 General Description ................................................................................................... 148
3.3.1.2 Guidelines for Using Proprietary Systems ................................................................. 148
3.3.1.3 Other Requirements .................................................................................................. 149
3.3.1.4 Inspection and Maintenance Requirements .............................................................. 149
3.3.2 Gravity (Oil-Water) Separator ...................................................................................................... 151
3.3.2.1 General Description ................................................................................................... 152
3.3.2.2 Pollutant Removal Capabilities .................................................................................. 152
3.3.2.3 Design Criteria and Specifications ............................................................................. 153
3.3.2.4 Inspection and Maintenance Requirements .............................................................. 154
3.3.2.5 Example Schematic ................................................................................................... 155
3.3.3 Alum Treatment ............................................................................................................................ 157
3.3.3.1 General Description ................................................................................................... 158
3.3.3.2 Pollutant Removal Capabilities .................................................................................. 158
3.3.3.3 Design Criteria and Specifications ............................................................................. 159
3.3.3.4 Inspection and Maintenance Requirements .............................................................. 159
3.3.4 Underground Sand Filter .............................................................................................................. 161
3.3.4.1 General Description ................................................................................................... 162
3.3.4.2 Stormwater Management Suitability .......................................................................... 163
Volume 2, Technical Guidance
Page 3 - iii