SW1230501_O&M Agreement/Plan_20230612

Operation & Maintenance Agreement
Verner
Asheville, NC BUNCOMBE County
Cover' Page
Maintenance records shall be kept on the following BMP(s). This maintenance record shall be kept in a log in a known set location.
Any deficient BIVIP elements noted in the inspection will be corrected, repaired, or replaced immediately, These deficiencies can
affect the integrity of structures, safety of the public, and the pollutant removal efficiency of the BMP(s).
The BMP(s) on this project include (check all that apply &
Bioretention Cell
Quantity:
Dry Detention Basin
Quantity:
Grassed Swale
Quantity:
Green Roof
Quantity:
Infiltration Basin
Quantity:
Infiltration Trench
Quantity:
Level SpreaderNFS
Quantity'.
Permeable Pavement
Quantity:
Proprietary System
Quantity:
Rainwater Harvesting
Quantity:
Sand Filter
Quantity:
Stormwater Wetland
Quantity:
Wet Detention Basin
Quantity:
Disconnected Impervious Area
Present:
Soil Amendments
Present:
ig O&M tables will
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
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I acknowledge and agree by my signature below that I am responsible for the performance of the maintenance procedures listed for
each BMP above, and attached O&M tables. I agree to notify NCDENR of any problems with the system or prior to any changes to
the system or responsible party.
* Responsible Party:
Title & Organization'.
Street address:
City, state, zip:
Phone number(s):
Clark Wyatt
Buncombe County Board of Education
175 Bingham Road
Asheville, NC 28806
828-255-5921
[e-mail]
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Signature: 5'
Date:
ct a Notary Public for the State of NJ��- (F U A. a —
County of do hearby certify that
0
personally appeared before me this day of v and
acknowledge the due execution of the Operations and Maintenance Agreement
Witness my hand and official seal,
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Fly commission expires (t� -2-7,2-42,�S — 3129/2023
t&�-arwar Page 1 of 1
Version 1.4

Infiltration System Maintenance Requirements
Important maintenance procedures:
The drainage area will becarefully managedtoreduceThesedhmom load huThe infiltration basin.
Immediately after the infiltration basin is estabfished, the vegetation will be watered twice weekly if needed until
- the plants become established (commonly six weeks).
No portion of the infiltration basin will be fertilized after the initial fertilization that is required to establish the
vegetation.
- The vegetation in and around the basin will be maintained at height ofapproximately six inches.
After the infiltration basin is established, it shall be inspected once a quarter and within 24 hours after every storm event
greater than 1.Oinches (or i.Sinches ifinuCoastal Qoumty. Records ofoperafionand maintenance shall bekept inaknown
set location and shall beavailable upon request.
Inspection activities shall beperformed aafollows. Any problems that are found shall berepaired immediately.
BIVIP element:
Potential problem:
How to remediate the problem:
The entire BIVIP
Trash/debris is present.
Remove the trash/debris.
The perimeter of the
Areas of bare soil and/or
Regrade the soil if necessary to remove the gully, and then plant a
infiltration basin
erosive gullies have formed.
ground cover and water until it is established. Provide lime and a one-
time fertilizer application.
The inlet device: pipe or
The pipe is clogged (if
Unclog the pipe. Dispose of the sediment off -site.
Swale
applicable),
The pipe is cracked or
Replace the pipe.
otherwise damaged (if
Erosion is occurring in the
Regrade the swale if necessary to smooth it over and provide erosion
swale (if applicable).
control devices such as reinforced turf matting or riprap to avoid future
problems with erosion.
The forebay
Sediment has accumulated
Search for the source of the sediment and remedy the problem if
and reduced the depth to 75%
possible. Remove the sediment and dispose of it in a location where it
of the original design depth.
will not cause impacts to streams or the BMP.
Erosion has occurred or riprap
Provide additionall erosion protection such as reinforced turf matting or
is displaced.
riprap if needed to prevent future erosion problems.
Weeds are present.
Remove the weeds, preferably by hand. If pesticides are used, wipe
them on the plants rather than spraying.
The main treatment area
A visible layer of sediment has
Search for the source of the sediment and remedy the probIem if
accumulated.
possible. Remove the sediment and dispose of it in a location where it
will not cau�se impacts to streams or the BMP. Replace any media that
was removed in the process. Revegetate disturbed areas immediately.
Water is standing more than 5
Replace the top few inches of filter media and see if this corrects the
days after a storm event.
standing water problem. If so, revegetate immediately. If not, consult
an appropriate professional for a more extensive repair.
Weeds and noxious plants are
Remove the plants by hand or by wiping them with pesticide (do not
growing in the main treatment
spray),
The embankment
Shrubs or trees have started
Remove shrubs or trees immediately.
to grow on the embankment.
Ali annual inspection by an
Make all needed repairs.
appropriate professional
shows that the embankment
needs repa�r.
The outlet device
Clogging has occurred.
Clean out the outlet device. Dispose of the sediment off -site.
The outlet device is damaged
Repair or replace the outlet device,
The receiving water
Erosion or other signs of
Contact the local NC Department of Environment and Natural
damage have occurred at the
Resources Regional Office.
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O&M Manual
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