HomeMy WebLinkAboutAuto Max O&M Manual 04.26.13
Operation, Inspection & Maintenance of Stormwater Facilities
Project Name
Auto Max
Owner Information
Block Properties, Inc.
Damion Oancea
13205 Griffon Run
Carmel, IN 46032
317-439-1274
Owner Signature _________________________________ Date ________________
Stormwater Best Management Practices (BMP)
General Inspection & Maintenance Information
Owners and operators of stormwater drainage facilities and post-construction water quality
measures installed in accordance with the City of Carmel Stormwater Technical Standards Manual
are responsible for implementing BMP inspection and maintenance programs. All drainage
infrastructure and stormwater BMPs should be inspected on a regular basis for continued
effectiveness and structural integrity. In addition to regularly scheduled inspections, all BMPs should
be checked after each major storm event. Scheduled inspections will vary among BMPs. Some
BMPs such as storm treatment structures may require more frequent inspection to ensure proper
operation. During each inspection, the inspector should document whether the BMP is performing
correctly, if the BMP has been damaged since the last inspection, and, if so, what should be done to
repair it.
It is important that routine maintenance and non-routine repair of stormwater BMPs be done
according to a schedule or as soon as a problem is discovered. Because many BMPs are rendered
ineffective for runoff control if not installed and maintained properly, it is essential that maintenance
schedules are maintained and repairs made promptly. In fact, some cases of BMP neglect can have
detrimental effects on the landscape and increase the potential for erosion. However, routine
maintenance, such as cleaning structures and pipes and mowing grasses, should be flexible enough
to accommodate the fluctuations in need based on relative weather conditions.
Representatives from the City of Carmel have the right to enter the property to inspect all stormwater
infrastructure. Any maintenance or remediation specified by City inspection shall be performed by
the Owner.
Listed below are particular inspection and maintenance recommendations that apply to the
stormwater facilities and BMP’s installed at the subject site.
Permable Pavement
The following inspection and maintenance procedures should occur on an annual or as needed
basis:
1. Clean pavement after the last snowfall or by April 30th. Cleaning of pavement can consist of
vacuum sweeping and/or pressure washing the surface to remove accumulated sediment.
Cleaning of pavement may be required more often if water can be seen standing on it or in it
(within the asphalt pavement section), unless the storm event is above a 100-year event.
2. If maintenance does not correct standing water, full or partial replacement of the permeable
asphalt pavement may be required.
3. Inspect/repair outlet control structure.
4. Clear trash racks and outlet drain pipes to maintain a free flowing condition.
Bio-Retention Area
The following inspection and maintenance procedures should occur on an annual or as needed
basis:
1. Inspect and repair/replace treatment components.
2. Mow and remove litter/debris.
3. Stabilize eroded side slopes and bottom.
4. Carefully manage nutrient, herbicide, and pesticide use.
5. Water plant material during drought periods.
6. Remove and replace all dead and diseased vegetation specified in the original planting
plan.
7. Remove invasive vegetation not specified in original planting plan.
8. Clean and remove debris after major storm events (>2" rainfall).
9. Mow and maintain upland vegetated areas.
10. Repair or replace stone aggregate areas.
11. Maintaining inlets and outlets.
The following inspection and maintenance procedures should occur on a 5-year cycle:
1. Remove accumulated sediment from sediment storage areas when 20% of the original
volume has been lost.
2. Scrape bottom and remove sediment to restore original cross section and infiltration rate.
3. Disc bottom of basin if infiltration rates are reduced.
4. Reinstall vegetation as specified in original planting plan to restore ground cover in areas
disturbed during maintenance activities.
Level Spreader
The following inspection and maintenance procedures should occur on an annual or as needed
basis:
1. Remove sediment/debris located in stone.
2. Remove vegetation/roots that reduces the free flow of water over the stone.
3. Regrade and/or replace stone, as needed, to ensure level flow onto Vegetative Filter Strip.
4. Clean and remove debris after major storm events (>2" rainfall).
5. Mow and maintain upland vegetated areas.
6. Inspect that rock lining is intact and not displaced.
Vegetative Filter Strip
The following inspection and maintenance procedures should occur on an annual or as needed
basis:
1. Vegetative Filter strip shall be maintained to keep grass cover dense and vigorous.
2. Maintenance shall include periodic mowing, occasional spot reseeding and weed control.
Filter Strip grasses must never be mowed close to the ground. Grass heights in the 4 to 6
inch range are recommended.
3. Routine maintenance shall also include removing litter/debris from the filter strip area.
4. Stabilize eroded slopes if required.
5. Fertilization of Vegetative Filter Strip shall be done when needed to maintain the health of
the grass, with care not to over-apply the fertilizer. Carefully manage nutrient, herbicide, and
pesticide use.
6. Water grass/plant material during drought periods.
7. Remove and replace all dead and diseased vegetation specified in the original planting plan.
8. Remove invasive vegetation not specified in original planting plan.
9. Clean and remove debris after major storm events (>2" rainfall).
10. Mow and maintain upland vegetated areas.
The following inspection and maintenance procedures should occur on a 5-year cycle:
1. Reinstall vegetation as specified in original planting plan to restore ground cover in areas
disturbed during maintenance activities.