SW1210501_O&M Agreement/Plan_20210713

Operation & Maintenance Agreement
Project Name: lWastewater Treament Plant Improvements Phase I
Project Location: 1566 Walnut Trail Rd, Waynesville, NC 28785
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 & correspon
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:
No
User Defined SCM
Present:
I No
Low Density
Present:
Yes
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:
)e aoaea autom
Vegetated swaleslroadside ditches
1 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: Rob Hites
Title & Organization: Town Manager, Town of
Street address: 16 South Main Street
City, state, zip: Waynesville, NC 28786
Phone number(s): 828-452-2491
Email: rhites(rDwaynesvillenc.gov
Signature: /�--� Date:
I, &adll LQ AK-D `a Notary Public for the State of f_ �OL` I ` A� Cc) I 1 yi)}
County of i1QUt L)/y[ do hereby certify that " UObC C-L- W 9w, S12
personally appeared before me"this day of 7�( and
acknowledge the due execution of the O erations and Maintenance Agreement
Witness my hand and official seal,
t40TA14Y
1 PUBLIC tiZ,
Sea!"ll;T, UD„cQlkYt�\
STORM-EZ
Version 1.5
My commission expires 4 — 13 -a5
O&M Agreement
6/25/2021
Page 1 of 3

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
too long.
Maintain grassed vegetation such that the swale or vegetated
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
erosive gullies have
formed.
sod (or plant with other appropriate species) and water until
established. Provide lime and a one-time fertilizer application.
areas
Trees and/or other woody
Remove the trees and woody vegetation from the swale, regrade
vegetation are present in
the swale if necessary and re-establish grass as shown on the
the swale.
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 with other appropriate species) and water until
formed.
established. Provide lime and a one-time fertilizer application.
Sediment covers the grass
Remove sediment and dispose in an area that will not impact
Vegetated conveyances 1
at the bottom of the swale.
streams or SCMs. Re -sod if necessary.
swales 1 roadside ditches
(other than curb outlet
swales)
The side slope is steeper
than the approved
configuration.
Regrade the slopes to the permitted configuration per the
approved plan and reestablish vegetation. If as -built or existing
conditions do not allow the slopes to be regraded, contact the
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 -
dying.
time 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 and
the vegetated conveyance.
re-establish grass as shown on the approved plans.
Clogging has occurred.
Clean out the outlet device. Dispose of the sediment off -site.
The outlet device (if
The outlet device is
damaged
Repair or replace the outlet device.
applicable)
Erosion or other signs of
damage have occurred at
Repair the damage and improve the flow dissipation structure.
the outlet.
Discharges from the site
The receiving water
are causing erosion or
sedimentation in the
Contact the local NCDEQ Regional Office.
receiving water.