SW6240401_O&M Agreement/Plan_20240403

Operation & Maintenance Agreement
Project Name: Maple Drive
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: Curb outlet system
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: Robert P. Wellons
Title & Organization: Wellons Realty, Inc.
Street address: 2004 W. Cumberland St
City, state, zip: Dunn, NC 28334
Phone number(s): 910-892-3123
Email: [e-mail]
CaNS-
Signature: Date: a10L010024-
I, 1( J0.-A1.6on , a Notary Public for the State of Nor}\-\(',N(01;n,:\
County of %ACV f't , do hereby certify that I' o\r 4 a ,Icons
personally appeared before me this irh day of F'e.\C,1,1fH Oa4 and
acknowledge the due execution of t a Operations and Maintenance Agreement .
Witness my hand and official se 1 4.1,
't‘OT& s,,CA
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Seal My commission expires B 130°14)
STORM-EZ 2/23/2024
Version 1.5 O&M Agreement Page 1 of 1

Low Density Maintenance Requirements
Important maintenance procedures:
The drainage area to the vegetated conveyance or vegetated receiving area w ill be carefully managed
to reduce the sediment load to the vegetated conveyance or vegetated receiving area.
After the initial fertilization to establish the grass in the vegetated conveyance or the vegetated
receiving area, fertilizer w ill not be applied to the vegetated receiving areas.
The vegetated conveyance or vegetated receiving area w ill be inspected quarterly. Records of operation and
maintenance w ill be kept in a know n set location and w ill be available upon request.
Inspection 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 Vegetation is too short or Maintain grassed vegetation such that the sw ale or vegetated
too long. area does not erode during the peak flow from the 10-year storm
Trash/debris is present. Remove the trash/debris.
Areas of bare soil and/or Regrade the soil if necessary to remove the gully, and then re-
erosive gullies have sod (or plant w ith other appropriate species) and w ater until
Vegetated receiving formed. established. Provide lime and a one-time fertilizer application.
areas
Trees and/or other woody Remove the trees and woody vegetation from the sw ale, regrade
vegetation are present in the sw ale if necessary and re-establish grass as shown on the
the sw ale. approved plans.
Trash/debris is present. Remove the trash/debris.
Areas of bare soil and/or Regrade the soil if necessary to remove the gully, and then re-
erosive gullies have sod (or plant w ith other appropriate species) and w ater until
formed. established. Provide lime and a one-time fertilizer application.
Sediment covers the grass Remove sediment and dispose in an area that w ill not impact
at the bottom of the sw ale. streams or SCMs. Re-sod if necessary.
Vegetated conveyances
/ swales / roadside Regrade the slopes to the permitted configuration per the
ditches (other than curb The side slope is steeper
than the approved
approved plan and reestablish vegetation. if as-built or existing
outlet swales) conditions do not allow the slopes to be regraded, contact the
configuration.
applicable permitting agency.
Determine the source of the problem: soils, hydrology, disease,
Grass is dead, diseased or etc. Remedy the problem and replace plants. Provide a one-time
dying. fertilizer application to establish the ground cover if necessary.
Trees and/or other woody Remove the trees and woody vegetation from the vegetated
vegetation are present in conveyance, regrade the vegetated conveyance if necessary
the vegetated conveyance. and re-establish grass as shown on the approved plans.

The longitudinal slope Regrade to meet the permitted longitudinal slope as show n on the
exceeds 5%. approved plans.
Curb outlet swales or The swale profile does not Regrade the swale to the approved profile as shown on the
vegetated areas match the approved detail. approved plans.
The length of the sw ale or Extend the sw ale to achieve the 100-foot minimum length. If as-
vegetated area is less built or existing conditions do not allow the slopes to be regraded,
than 100 feet. contact the applicable permitting agency.
Clogging has occurred. Clean out the outlet device. Dispose of the sediment off-site.
The outlet device (if
applicable)
The outlet device is Repair or 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.
The receiving water Discharges from the site
are causing erosion or
sedimentation in the Contact the local NCDEQ Regional Office.
receiving water.