MAINTENANCE TASKS AND SCHEDULE DURING CONSTRUCTION

Tasks Storm Sewer System Catch Basin Sumps Catch Basin Inlet Castings Ditches & Swales Outflow Control Structures Rip Rap Infiltration Basins Storm Detention Areas Wetland Issues Emergency Overflow Schedule
Inspect for sediment accumulation X X   X X   X X     Weekly
Removal of sediment accumulation X X   X X   X X     As needed* & prior to turnover
Inspect for floatables and debris     X X X   X X     Quarterly
Cleaning of floatables and debris     X X X   X X     Quarterly & at turnover
Inspection for erosion       X X   X X     Weekly
Re-establish permanent vegetation on eroded slopes       X     X X     As needed & at turnover
Replacement of Stone         X           As needed* & prior to turnover
Mowing       X X   X X     0-2 times per year
Inspect stormwater system components during wet weather and compare to as-built plans (by professional engineer reporting to "XYZ" Company       X X   X X     Annually & at turnover
Make adjustments or replacments as determined by annual wet weather inspection X X X X X X X X X X *As needed

*As needed means when sediment has accumulated to a maximum of one foot depth.

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SAMPLE

PERMANENT MAINTENANCE TASKS AND SCHEDULE

Tasks Street Cleaning Storm Sewer System Catch Basin Sumps Catch Basin Inlet Castings Ditches & Swales Outflow Control Structures Rip Rap Infiltration Basins Storm Detention Areas Wetland Issues Emergency Overflow Schedule
Inspect for sediment accumulation   X X   X X   X X     Annually
Removal of sediment accumulation   X X   X X   X X     Every 2 years as needed
Inspect for floatables and debris       X X X   X X     Annually
Cleaning of floatables and debris       X X X   X X     Annually
Inspection for erosion         X X   X X     Annually
Re-establish permanent vegetation on eroded slopes         X     X X     As needed
Replacement of Stone           X           Every 3-5 years as needed
Clean Streets X                     Semi-annually
Mowing         X     X X     0-2 times per year
Inspect stormwater system components during wet weather and compare to as-built plans (by professional engineer reporting to "XYZ" Company   X X X X X X X X X X Annually
Make adjustments or replacments as determined by annual wet weather inspection   X X X X X X X X X X As needed
Keep records of all inspections and maintenance activities and report to "XYZ" Company                       Annually
Keep records of all costs for inspections, maintenance and repairs. Report to "XYZ" Company                       Annually

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SAMPLE MAINTENANCE PLAN BUDGET

Annual inspection for sediment accumulation $100.00
Removal of sediment accumulation every 2 years as needed $500.00
Inspect for floatables and debris annually and after major storms $100.00
Removal of floatables and debris annually and after major storms $150.00
Inspect system for erosion annually and after major storms $100.00
Re-establish permanent vegetation on eroded slopes as needed $350.00
Replacement of stone $100.00
Mowing 0-2 times per year $400.00
Inspect structural elements during wet weather and compare to as-built plans every 2 years $150.00
Make structural adjustments or replacements as determined by inspection as needed $400.00
Have professional engineer carry out emergency inspections upon identification of severe problems $200.00
Total Annual Budget $2,550.00

Note: Maintenance plans and budgets vary widely due to the size and unique characteristics of each stormwater management system proposed. Appendix B is intended for use as a starting point in the development of an appropriate maintenance plan specific to the size and components of each system.