Section
General
155.001 Purpose
155.002 Conflicting ordinances
155.003 Compliance with other ordinances
155.004 Policy
155.005 Definitions
Permits
155.015 Construction permits in the floodway
155.016 Information requirements
155.017 Determination of runoff quantities
155.018 Amount of runoff to be accommodated by various parts of drainage facility
155.019 Easements
155.020 Permit and review fees
Storm Sewer Design Standards
155.030 General
155.031 Manning’s equation
155.032 Minimum size
155.033 Grade
155.034 Alignment
155.035 Manholes
155.036 Inlets
155.037 Workmanship and materials; special hydraulic structures
Open Channel Design Standards
155.050 General
155.051 Manning’s equation
155.052 Channel cross-section and grade
155.053 Side slopes
155.054 Channel stability
155.055 Drainage of waterways
155.056 Establishment of new regulated drain
155.057 Appurtenant structures
155.058 Disposition of spoil
155.059 Construction and materials
Storm Water Detention
155.070 Purpose
155.071 Acceptable detention methods
155.072 Design of detention facilities
155.073 Allowable release rate
155.074 Drainage system overflow design
155.075 Determination of storage volume; rational method
155.076 Determination of storage volume; other methods
155.077 General detention basin design requirements
155.078 Dry bottom basin design requirements
155.079 Wet bottom basin design requirements
155.080 Rooftop storage
155.081 Parking lot storage
155.082 Facility financial responsibilities
155.083 Facility maintenance responsibilities
155.084 Inspections
155.085 Corrective measures
155.086 Joint development of control systems
155.087 Installation of control systems
155.088 Detention facilities in floodplains
155.089 Off-site drainage provisions
155.090 Applicability
At Completion
155.100 Certifications required
155.101 Changes in plan
155.102 Determination of impact drainage areas
155.103 Other requirements
155.104 Disclaimer of liability
155.105 Investigations and inspections
155.106 Appeals
155.999 Penalty
Appendix A: Tables
Table 1: Urban Runoff Coefficients
Table 2: Rural Runoff Coefficients
Table 3: Runoff Coefficients C by Land Use and Typical Inlet Times
Table 4: Typical Values of Manning’s n
Table 5: Maximum Permissible Velocities in Vegetal-Lined Channels
Table 6: IDF Curve
Appendix B: Figures
Figure 1: Nomograph for Determining Time of Concentration