HomeMy WebLinkAboutSW6221008_O&M Agreement/Plan_20221027Operation & Maintenance Agreement
Project Name:
Project Location:
Stone Creek
Phillipi Church Road, Raeford, Hoke County, NC
Cover Page
laintenance records shall be kept on the following SCM(s). This maintenance record shall be kept in a log in a known set location.
,ny deficient SCM elements noted in the inspection will be corrected, repaired, or replaced immediately. These deficiencies can
ffect the integrity of structures, safety of the public, and the pollutant removal efficiency of the SCM(s).
he SCM(s) on this project include (check all that apply & co
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
onding O&M sheets will
Location(s):
Location(s).-
Location(s):
1 Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
No Location(s):
No Location(s):
No Type:
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acknowledge and agree by my signature below that I am responsible for the performance of the maintenance procedures listed for
ach SCM above, and attached O&M tables. I agree to notify NCDEQ of any problems with the system or prior to any changes to
ie system or responsible party.
Responsible Party:
Title & Organization:
Street address:
City, state, zip:
Phone number(s):
Email:
Signature
RobQ44kM 'ck, , C-, rl-y4rl
Member 1 Wolf Development Holding, LLC
2422 Wrightsville Avenue
Wilmington, NC 28403
910-740-2547
rbbritt@gmail.com
Date: �' —."N
MQ,l xt , W a Notary Public for the State of NOS( l ojztIhOL,
:ounty of jj q �}, � j(, do hereby certify that 1(liid.01r\ W 1 W G UAL b
ersonally appeared before me this day of��0111,�� 1 �U�— and
cknowledge the due execution of the Operations and Maintenance Agreement .
Vitness my hand and official seal,
r eian+e Miller
I�O�AR PUBLIC
Brunswick aunty, NC
My Commission ex res pctobef 04, 2025
,eal
FORM-EZ
My commission expires
6124/20,
MA rums Mainteria"ce Mequirernents
mportant operation and maintenance procedures:
Immediately after the wet detention basin is established, the plants on the vegetated shelf and
- perimeter of the basin should be watered twice weekly if needed, until the plants become established
(commonly six weeks).
No portion of the wet pond should be fertilized after the initial fertilization that is required to establish
the plants on the vegetated shelf.
Stable groundcover will be maintained in the drainage area to reduce the sediment load to the wet
pond.
If the pond must be drained for an emergency or to perform maintenance, the flushing of sediment
through the emergency drain will be minimized as much as possible_
At least once annually, a dam safety expert will inspect the embankment. Any problems that are
found will be repaired immediately.
_ The measuring device used to determine the sediment elevation shall be such that it will give an
accurate depth reading and not readily penetrate into accumulated sediments.
After the wet pond is established, it will be inspected quarterly and within 24 hours after every storm event greater
than 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_
'CM element:
Potential problem:
How to remediate the problem:
'he entire wet pond
Trash/debris is present.
Remove the trash/debris.
'he perimeter of the wet
Areas of bare soil and/or
Regrade the soil if necessary to remove the gully, plant ground
fond
erosive gullies have
cover and water until it is established. Provide lime and a one-
formed
time fertilizer application.
The inlet pipe is clogged (if
Unclog the pipe. Dispose of the sediment off -site.
applicable).
The inlet pipe is cracked or
otherwise damaged (if
Repair or replace the pipe.
'he inlet device
applicable).
Erosion is occurring in the
Erosi
Regrade the swale if necessary and provide erosion control
applicable}.
swalproblems
devices such as reinforced turf matting or riprap to avoid future
with erosion.
Sediment has
accumulated to a depth
Search for the source of the sediment and remedy the problem
greater than the original
if possible. Remove the sediment and dispose of it in a location
design depth for sediment
where it will not cause impacts to streams or the SCM.
storage.
'he forebay
Erosion has occurred.
Provide additional erosion protection such as reinforced turf
matting or riprap if needed to prevent future erosion problems.
Weeds are present.
Remove the weeds, preferably by hand. If pesticide is used,
wipe it on the plants rather than spraying.
;CM element:
VVUL rurlu iwairlrenarlce neyuiremen[5 tL.vniinueo)
Potential problem: How to remediate the problem:
Sediment has
accumulated to a depth Search for the source of the sediment and remedy the problem
greater than the original if possible. Remove the sediment and dispose of it in a location
design sediment storage where it will not cause impacts to streams or the SCM.
depth.
'he main treatment area (Algal growth covers over Consult a professional to remove and control the algal growth.
150% of the area.
'he vegetated shelf
'he embankment
'he outlet device
1oating wetland island
if applicable)
Cattails, phragmites or
other invasive plants cover
Remove the plants by wiping them with pesticide (do not spray)
50% of the basin surface.
Best professional practices
show that pruning is
prune according to best professional practices.
needed to maintain
optimal plant health.
Determine the source of the problem: soils, hydrology, disease,
Plants are dead, diseased
etc. Remedy the problem and replace plants. Provide a one -
or dying.
time fertilizer application to establish the ground cover if a soil
test indicates it is necessary.
Weeds are present.
Remove the weeds, preferably by hand. If pesticide is used,
wipe it on the plants rather than spraying.
Shrubs have started to
Remove shrubs immediately.
grow on the embankment.
Evidence of muskrat or
Consult a professional to remove muskrats or beavers and
beaver activity is present.
repair any holes or erosion.
A tree has started to grow
Consult a dam safety specialist to remove the tree.
on the embankment.
An annual inspection by
an appropriate
professional shows that
Make all needed repairs immediately.
the embankment needs
repair.
Clogging has occurred.
gg g
Clean out the outlet device and dispose of any sediment in a
location where it will not cause impacts to streams or the SCM.
The outlet device is
Repair or replace the outlet device.
jdamaged.
Weeds or volunteer trees
Remove the weeds or trees.
are growing on the mat.
The anchor cable is
damaged, disconnected or
Restore the anchor cable to its design state.
missing.
rxet ryna maintenance MUgUIrernents tL.Ununuecaj
;CM element:
Potential problem:
How to remediate the problem:
Erosion or other signs of
damage have occurred at
Repair the damage and improve the flow dissipation structure.
the outlet.
Discharges from the wet
'he receiving water
pond are causing erosion
Contact the local NCDEQ Regional Office.
or sedimentation in the
receiving water.
VVUL UUMILwn rUrIu vebiyrr aurnrnary
WET POND ID FOREBAY MAIN POND
1 1 Permanent Pool El. 176 Permanent Pool Ei. 176
Pretreatment other Na
than forebay?
Has Veg. Filter? No
Temporary Pool El:
177.8
Clean Out Depth:
4
Sediment Removal El
172
Bottom Elevation:
171
ATTACH ADDITIONAL SHEETS IF NECESSARY
Temporary Pool El.-
177.8
Clean Out Depth:
4
Sediment Removal EI
172
Bottom Elevation:
171