20180612 Ver 1 _SW O&M Agreement _20180831

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Project Name:
Project Location:
WCU - Central Drive Parking
Cullowhee, North Carolina
Maintenance records shall be kept on the following BMP(s). This maintenance record shall be kept in a log in a known sei
location. Any deficient BMP 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 BMP(s).
The BMP(s) on this project include (check all that apply & correspc
Bioretention Cell
Quantity:
Dry Detention Basin
Quantity:
Grassed Swale
Quantity:
Green Roof
Quantity:
Infiltration Basin
Quantity:
Infiltration Trench
Quantity:
Level SpreaderNFS
Quantity:
Permeable Pavement
Quantity:
Proprietary System
Quantity:
1
Rainwater Harvesting
Quantity:
Sand Filter
Quantity:
Stormwater Wetland
Quantity:
Wet Detention Basin
Quantity:
0
Disconnected Impervious Area
Present:
No
User Defined BMP
Present:
No
O&M tables will be added automatically):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s): Central Drive Parking Lot
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
Location(s):
acknowledge and agree by my signature below that I am responsible for the performance of the maintenance procedures listed
for each BMP above, and attached O&M tables. I agree to notify NCDENR of any problems with the system or prior to any
changes to the system or responsible parry.
* Responsible Party:
Title & Organization:
Street address -
City, state, zip:
Phone number(s):
Email:
Signature:
County of
Western Carolina University
Joe Walker, PE Asst. Vice Chancellor for Facilities Management
3476 Old Cullowhee Road
Cullowhee, North Carolina 28723
[phone]
[e-mail]
Date: P/2 4) ( g
, a Notary Public for the State of
, do hearby certify that Icer- ^�
personally appeared before me this �D�h day of ALbL),r and
acknowledge the due execution of the O rations and Mainte ante Agreement.
Witness mK,b", ppd official seal,
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Projrial em Maintenance Requimmente
How many devices are
Contech StormFilters? 1
Important operation and maintenance procedures:
- The drainage area will be carefully managed to reduce the sediment load to the StormFilter.
- The sedimentation chamber or forebay will be cleaned out whenever sediment depth exceeds six inches.
The StormFilter system 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.
BMP element:
Potential problem:
Flow to remediate the problem:
Adjacent pavement (if
applicable)
Trash/debris is present.
Remove the trash/debris.
Flow diversion structure
Sediment is present on the
pavement surface.
Sweep or vacuum the sediment as soon as possible.
StormFilter Cartridges
The structure is clogged.
Unclog the conveyance and dispose of any sediment offsite.
The structure is damaged.
Make any necessary repairs or replace if damage is too large for
Outlet device
Clogging has occurred.
Clean out the outlet device. Dispose of the sediment offsite.
The outlet device is damaged
Repair or replace the outlet device.
Receiving water
Erosion or other signs of
damage have occurred at the
outlet.
Contact the 401 Oversight Unit at 919-733-1786.
All other operation and maintenance activities should be in accordance with Contech's StormFilter Inspection and Maintenance
Procedures document. Any problems that are found shall be repaired immediately. The responsible party shall have received and
understand Contech's StormFilter Inspection and Maintenance Procedures document.
ORM-EZ 812812(