SW3230701_O&M Agreement/Plan_20240621

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Project Name: Stewart's Grove
Project Location: Wingate, Union County, NC 28374
Cover Page
intenance records shall be kept on the following SCM(s). This maintenance record shall be kept in a log in a known set location.
/deficient SCM elements noted in the inspection will be corrected, repaired, or replaced immediately. These deficiencies can
;ct the integrity of structures, safety of the public, and the pollutant removal efficiency of the SCM(s).
SCM(s)on this project include (check all that apply &corresponding O&M sheets will be added automatically):
Infiltration Basin Quantity: 0 Location(s):
Infiltration Trench Quantity: 0 Location(s):
Bioretention Cell Quantity: 0 Location(s):
Wet Pond Quantity: 0 Location(s):
Stormwater Wetland Quantity: 0 Location(s):
Permeable Pavement Quantity: 0 Location(s):
Sand Filter Quantity: 2 Location(s): N: 448,467.34 E: 1,565,161.17
Rainwater Harvesting Quantity: 0 Location(s):
Green Roof Quantity: 0 Location(s):
Level Spreader- Filter Strip Quantity: 0 Location(s):
Proprietary System Quantity: 0 Location(s):
Treatment Swale Quantity: 0 Location(s):
Dry Pond Quantity: 0 Location(s): N: 448,430.81 E: 1,564,702.39
Disconnected Impervious Surface Present: No Location(s):
-User Defined SCM Present: No Location(s):
Low Density Present: No Type:
:knowledge and agree by my signature below that I am responsible for the performance of the maintenance procedures listed foi
:h SCM above, and attached O&M tables. I agree to notify NCDEQ of any problems with the system or prior to any changes to
system or responsible party.
Responsible Party: David Chapman
Title &Organization: Manager, Southbury Development, LLC
Street address: 20 Cochrane Castle Ciricle
City, sta zip: Pinehurst, NC 28374
Phone n er(s): (760) 567- 039
Email: d'chap @aol.com
Signature: ��� ��^ Date: 6//aa V
O U4- o b np , a Notary Public for the State of Ptrld't(lid 1,17k
Jnty of J{6 , do hereby certify that p(.sA o- Li
leito Mar✓
sonally appeared before me this )g day of ) 12. and
:nowledge the due execution of the Operatio nd Maintenance� Agreement .
ness my hand and official seal, 030 .
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9/ My commission expires U gsPDa-II
RM-EZ 6/5/:

)ortant operation and maintenance procedures:
- Manage the drainage area to reduce the sediment load to the sand filter.
- Clean out the sedimentation chamber or forebay whenever sediment depth exceeds six inches.
- At least once a year, skim the sand media
- Replace the sand filter media whenever it fails to function properly after maintenance.
fter the sand filter is established, it shall be inspected quarterly and within 24 hours after every storm event greater
an 1.0 inches (or 1.5 inches if in a Coastal County). Records of operation and maintenance shall be kept in a known
set location and shall be available upon request.
Inspection activities shall be performed as follows. Any problems that are found shall be repaired immediately.
M element: Potential problem: How to remediate the problem:
tire sand filter Trash/debris is present. Remove the trash/debris.
jacent pavement(if Sediment is present on the Sweep or vacuum the sediment as soon as possible.
plicable) pavement surface.
Areas of bare soil and/or Regrade the soil if necessary to remove the gully, plant ground
erosive gullies have cover and water until it is established. Provide lime and a one-
e perimeter of the sand formed. time fertilizer application.
er
Vegetation is too short or Maintain vegetation at an appropriate height.
too long.
The structure is clogged. Unclog the structure and dispose of sediment in a location where
e flow diversion it will not cause impacts to streams or the SCM.
ucture (if applicable) Make any necessary repairs or replace if the damage is too mud-
The structure is damaged. for repair.
The inlet pipe is clogged (if Unclog the pipe and dispose of sediment in a location where it
applicable). will not cause impacts to streams or the SCM.
The inlet pipe is cracked or
otherwise damaged (if Repair or replace the pipe.
applicable).
e inlet d vice Regrade the swale if necessary and provide erosion control
Erosion is occurring in the devices such as reinforced turf matting or riprap to avoid future
swale (if applicable). problems with erosion.
Stone verge is clogged or Remove sediment and clogged stone and replace with clean
covered in sediment (if
stone.
applicable).
Sediment has accumulated Search for the source of the sediment and remedy the problem if
to a depth of greater than possible. Remove the sediment and dispose of it in a location
six inches. where it will not cause impacts to streams or the SCM.
diment chamber
rebay) Provide additional erosion protection such as reinforced turf
Erosion has occurred. matting or riprap if needed to prevent future erosion problems.
•
Weeds are present. Remove the weeds, preferably by hand. If a pesticide*is'used,
wipe it on the plants rather than spraying y r°-
Al� "

M element: Potential problem: How tmmmmmediate the problem: .
��haohbo see �the coUector i� o|og�ad �nd �uah/�
m� ���mn������ \&�teriapondingon �h� -�-'—�� '
ne000aary. |fxvotar still ponds, remove the top few inches offi|te|
�������� m�U���*��� ou���afmrnlomathaU �4 � ' �
Aemm hours after storm. bed media and replace. |f water still ponds, then consult on
appropriate professional. /
/
Clean out the outlet device and dispose of sediment ina'location
Clogging has 000urnad '
�m «xwtUmt device where it will not cause impacts to streams or the SCM. �
The outlet device io
Repair mr replace the outlet device.
damaged.
Erosion or other signs of
damage have occurred at Repair the damage and improve the flow dissipation structure.
the outlet.
m receiving water Discharges from the sand
filter are causing erosion or
Contact the local NCOEQ Regional Office.
sedimentation inthe
receiving water.
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