HomeMy WebLinkAboutSW6210907_O&M Agreement/Plan_20210930Operation & maintenance Agreement
Project Name:
Project Location:
ITimberiand Gas Station
Calloway Road, Hoke County
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.
any 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 & corres
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):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
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Type:
1
No
No
No
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:
1'�4�arrza k S� 0.h ba.i r,
President 1 J&K General Contractor, Inc.
649 Laurinbarg Road
Raeford, NC 28376
91 d-284-6464
mal@jandkbuilders.com
Date:
a Notary Public for the State of
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Y � , do hereb certify that
ersonally appeared before me this ^- day of and
cknowledge the due execution of the Oper tions a MaiWPnance Agreement .
Vitness my hand and official seat,
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'nportant operation and maintenance procedures:
- The drainage area will be carefully managed to reduce the sediment load to the infiltration basin.
No portion of the infiltration basin will be fertilized after the initial fertilization that is required to establish
- the vegetation. Lime may be allowed if vegetation is planted on the surface of the infiltration basin and a
soil test shows that it is needed.
- The vegetation in and around the basin will be
maintained at a height of four to six inches.
After the infiltration basin 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 infiltration
oasin Trash/debris is present.
Remove the trash/debris.
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 -
'he grass filter strip or formed.
time fertilizer application.
other pretreatment area 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
three inches.
where it will not cause impacts to streams or the SCM.
The structure is clogged.
'he
Unclog the conveyance and dispose of any sediment in a location
flow diversion
where it will not cause impacts to streams or the SCM.
,fracture (if applicable)
The structure is damaged.
Make any necessary repairs or replace if damage is too much for
repair.
The inlet pipe is clogged (if
Unclog the pipe and dispose of any sediment in a location where
applicable).
it will not cause impacts to streams or the SCM.
The inlet pipe is cracked or
otherwise damaged (if
Repair or replace the pipe.
applicable).
'he inlet device Erosion is occurring in the
Regrade the swale if necessary and provide erosion control
swale (if applicable).
devices such as reinforced turf matting or riprap to avoid future
erosion problems.
Stone verge is clogged or
covered in sediment (if
Remove sediment and clogged stone and replace with clean
applicable).
stone.
More than four inches of
Search for the source of the sediment and remedy the problem if
sediment has accumulated.
possible. Remove the sediment and dispose of it in a location
where it will not cause impacts to streams or the SCM.
Erosion of the basin
'he basin surface has occurred or
Provide additional erosion protection such as reinforced turf
riprap is displaced.
matting or riprap if needed to prevent future erosion problems.
Water is standing more
Replace the top few inches of soil to see if this corrects the
than three days after a
standing water problem. If not, consult an appropriate
storm event.
professional for a more extensive repair.
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;CM element:
Potential problem:
How to remediate the problem:
Shrubs or trees are
growing on the
Remove shrubs and trees immediately.
embankment.
An annual inspection by an
'he embankment
appropriate professional
shows that the
Make needed repairs immediately.
embankment needs repair.
Clogging has occurred.
Clean out the outlet device and dispose of sediment in a location
'he outlet device
where it will not cause impacts to streams or the SCM.
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
infiltration basin are
causing erosion or
Contact the local NCDEQ Regional Office,
sedimentation in the
receiving water.