SW5201101_O&M Agreement_20210115

Project Name: I Duke Energy Progress Louisburg Capacitor Bank 116kV
Project Location: 1480 sr1211/West River Road
Cover ,Pa e
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 & coi
Infiltration Basin
Quantity:
Infiltration Trench
Quantity:
Bioretention Cell
Quantity:
Wet Pond
Quantity:
Stormwater Wetland
Quantity:
Permeable Pavement
Quantity:
Sand Filter
Quantity:
Rainwater Harvesting
Quantity:
Green Roof
Quantity:
Level Spreader - Filter Strip
Quantity:
Proprietary System
Quantity:
Treatment Swale
Quantity:
Dry Pond
Quantity:
Disconnected Impervious Surface
Present:
User Defined SCM
Present:
Low Density
Present:
O&M sheets 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):
Type:
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: Alan Lewis
Title &Organization Manager, Substation Engmeering�, Duke
Street address: 410 South Wilmington Street
City, state, zip: ,Raleigh, NC 27601
Phone number(s): I(919) 646-7461
Signature: �'Date:( ` " a" a Notary Public for the State of �j d -G� kt
County of �"� �m� µ„ � � , do hereby cert' y that � HK 4. o
personally appeared � , day of #L c� f � � and _
a before me this
acknowledgq ire due execution oft O er tions and Maintenance Agree ent .
���d, w ®a eee®e¢®®®�® ' Wet s h i rd r�Vfficial seal,
Notary Public
wake (county r
My Qommissron Expires
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Seal My commission expires
STORM-EZ 1/8/2021
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 will 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 will not be applied to the vegetated receiving areas.
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.
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 swale 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 -
Vegetated receiving
areas
erosive gullies have
sod (or plant with other appropriate species) and water until
formed.
established. Provide lime and a one-time fertilizer application.
Clogging has occurred.
Clean out the outlet device. Dispose of the sediment off -site.
The outlet device (if
applicable)
The outlet device is
damaged
Repair or replace the outlet device.
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.