Table 1. Minimum Standard for Drainage Facility Maintenance.

   If you have any of the following components listed in the top row you are required to complete the associated maintenance task as indicated by the marker.

	Components
Tasks	Detention Basin Side- Slopes	Detention Basin Bottom	Detention Basin Inlets	Detention Basin Outlet or Outflow Control Structures	Onsite/Private Closed Drainage System, e.g. pipe, inlets	Open Drainage System, e.g. ditch, swales
Inspect for sediment accumulation		∙	∙	∙	∙	∙
Remove sediment accumulation		∙	∙	∙	∙	∙
Inspect for debris (dead vegetation and trash)	∙	∙	∙	∙	∙	∙
Clean debris	∙	∙	∙	∙	∙	∙
Inspect for erosion on banks and bottom	∙	∙	∙	∙		∙
Reestablish permanent vegetation on eroded slopes	∙	∙	∙	∙		∙
If permanent vegetation is not sufficient to control erosion, install structural erosion control (permit required)	∙	∙	∙	∙		∙
Remove dead vegetation	∙	∙	∙	∙		∙
Inspect for and remove invasive plant life	∙	∙	∙	∙		∙
Replace stone rip-rap, not less than IDOT RR-5			∙	∙		∙
Mowing	∙	∙				∙
Inspect structural elements during wet weather and compare to as-built plans (by a professional engineer).			∙	∙	∙
Make adjustments or replacements as determined by annual wet weather inspection		∙	∙	∙	∙	∙
Keep records of all inspections and maintenance activities. A reporting schedule shall be required for new or redevelopments.	∙	∙	∙	∙
Keep records of all costs for inspections, maintenance and repairs.	∙	∙	∙	∙
Professional engineer carry out emergency inspections upon identification of severe problems	∙	∙	∙	∙	∙	∙

 

(Ord. 2008-45. Passed 9-2-08.)