SW6240201_O&M Agreement/Plan_20240213

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I N d.a P 9 . h t'7 X'Y :I 7. ... . , . d 1 8- - _Project Name: Langdon Preserve Subdivision
Project Location: Harnett County, NC
Cover Page ,
Maintenance records shall be kept on the following SCM(s). This maintenance record shall be kept in a log in a known set location.
Any deficient SCM 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 SCM(s).
The SCM(s)on this project include (check all that apply&corresponding O&M sheets will be added automatically):
Infiltration Basin Quantity: Location(s):
Infiltration Trench Quantity: Location(s):
Bioretention Cell Quantity: Location(s):
Wet Pond Quantity: Location(s):
Stormwater Wetland Quantity: Location(s):
Permeable Pavement Quantity: Location(s):
Sand Filter Quantity: Location(s):
Rainwater Harvesting Quantity: Location(s):
Green Roof Quantity: Location(s):
Level Spreader- Filter Strip Quantity: Location(s):
Proprietary System Quantity: Location(s):
Treatment Swale Quantity: Location(s):
Dry Pond Quantity: Location(s):
Disconnected Impervious Surface Present: No Location(s):
User Defined SCM Present: No Location(s):
Low Density Present: Yes Type: Vegetated swales/roadside ditches
I acknowledge and agree by my signature below that I am responsible for the performance of the maintenance procedures listed for
each SCM above, and attached O&M tables. I agree to notify NCDEQ of any problems with the system or prior to any changes to
the system or responsible party.
Responsible Party: Andrew Ross
Title&Organization: Manager-Triangle Land Partners, LLC
Street address: PO Box 5548
City, state, zip: Cary, North Carolina 27512
Phone number(s): 704-608-3085
al : d- [e-mail]
Signature:
Date: \ 112-l 24)
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I, -((rY1 jp L (\ ),L, \i , a Notary Public for the State of 1 1b CL-i(t( )C<'
County of 1 �l , do hereby certify that �L v\I 0 3
personally appeared before me this I 2_- day of \C-, t- (,,,(L.- 2-'b y 1-i- and
acknowledge the due execution of the O erations and Maintenance Agreement .
Witness my hand and official seal, •
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Version 1.5 O&M Agreement Page 1 of 1

Low Dens€ Maintenance Re•uirements
Important maintenance procedures:
The drainage area to the vegetated conveyance or vegetated receiving area will be
carefully managed to reduce the sediment load to the vegetated conveyance or
After the initial fertilization to establish the grass in the vegetated conveyance or the
vegetated receiving area,fertilizer will not be applied to the vegetated receiving
The vegetated conveyance or vegetated receiving area will be inspected quarterly. Records of
operation and maintenance will be kept in a known set location and will be available upon request.
,ection activities shall be performed as follows.Any problems that are found shall be repaired immediately.
SCM element: Potential problem: How to remediate the problem:
Vegetation is too short
Maintain grassed vegetation such that the swale or
Vegetation or too long. vegetated area does not erode during the peak flow
from the 10-year storm
I IdJII/UCu11J lb Remove the trash/debris.
Regrade the soil if necessary to remove the gully, and
Areas of bare soil
then re-sod (or plant with other appropriate species)
and/or erosive gullies
Vegetated receiving and water until established. Provide lime and a one-
have formed.
areas time fertilizer application.
Trees and/or other Remove the trees and woody vegetation from the
woody vegetation are swale, regrade the swale if necessary and re-establish
present in the swale. grass as shown on the approved plans.
Trash/debris is Remove the trash/debris.
present.
Regrade the soil if necessary to remove the gully, and
Areas of bare soil
then re-sod (or plant with other appropriate species)
and/or erosive gullies and water until established. Provide lime and a one-
have formed. time fertilizer application.
Sediment covers the Remove sediment and dispose in an area that will not
Vegetated grass at the bottom of impact streams or SCMs. Re-sod if necessary.
g the swale.
conveyances/
swales/roadside The side slope is Regrade the slopes to the permitted configuration per
ditches(other than steeper than the the approved plan and reestablish vegetation. If as-
curb outlet swales) approved built or existing conditions do not allow the slopes to
configuration. be regraded, contact the applicable permitting
Determine the source of the problem: soils,
Grass is dead, hydrology, disease, etc. Remedy the problem and
diseased or dying. replace plants. Provide a one-time fertilizer
application to establish the ground cover if necessary.
I rees and/or other Remove the trees and woody vegetation from the
woody vegetation are vegetated conveyance, regrade the vegetated
present in the conveyance if necessary and re-establish grass as
vegetated shown on the approved plans.

Clogging has Clean out the outlet device. Dispose of the sediment
occurred. off-site.
The outlet device (if
applicable)
The outlet device is
Repair or replace the outlet device.
damaged
Erosion or other signs
Repair the damage and improve the flow dissipation
of damage have
structure.
occurred at the outlet.
The receiving water Discharges from the
site are causing
erosion or Contact the local NCDEQ Regional Office.
sedimentation in the
receiving water.