SW4220602_O&M Agreement/Plan_20220713

Operation & Maintenance Agreement
Project Name:
Project Location:
Nordfab Systems, Inc. Building Expansion
150 Transit Avenue, Thomasville, NC
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 & cc
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:
0
0
0
0
0
0
0
0
0
0
g 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.
ne aaaea automaucaf
(Vegetated swaleslroadside ditches
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:
Title & Organization:
Street address:
City, state, zip:
Phone number(s):
Email:
Erik Olshall
President, Nordfab LLC
150 Transit Avenue
Thomasville, NC 27360
336-821-0801
[e-mail]
Signature: -IUM ULy fl/I
C t'� C.2 E, 1�g Z / , a Notary Public for the State of
Date: `� o
(�
/ /OIV Gav--J 6LU
County of F'� i'� do hereby certify that
personally appeared before me this as day of '2 p a a and
acknowledge the due execution of the Operations a d Maintenance Agreement.
Witness my hand and official seal,
7,7
41111111 f
EUNICE A. FUNEZ-RL
Forsyth County
My Commission Expire
November 21, 2026
E -V
Sea!
STORM-EZ
Version 1.5
My commission expires /V 0 V • 114 oP-0'z6
O&M Agreement
6/17/2022
Page 1 of 2

Low Density Maintenance Requirements
Important maintenance procedures:
i ne aratnage area to the vegetated conveyance or vegetated receiving area wiu oe careruuy
- managed to reduce the sediment load to the vegetated conveyance or vegetated receiving
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.
nspection activities shall be performed as follows. Any problems that are found shall be repaired immediately.
SCM element:
Potential problem:
How to remediate the problem:
Maintain grassed vegetation such that the swale or
Vegetation is too short
Vegetation
vegetated area does not erode during the peak flow from
or too long.
the 40-year storm
Trash/debris is present.
Remove the trash/debris.
Areas of bare sail and/or
Regrade the soil if necessary to remove the gully, and
then re -sod (or plant with other appropriate species) and
erosive gullies have
Vegetated receiving
formed.
water until established. Provide lime and a one-time
areas
fertilizer application -
Trees and/or other
Remove the trees and woody vegetation from the swale,
woody vegetation are
regrade the swale it necessary and re-establish grass as
present in the swale.
shown on the 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 -sod (or plant with other appropriate species) and
erosive gullies have
formed.
water until established. Provide lime and a one-time
fertilizer application_
Sediment covers the
grass at the bottom of
Remove sediment and dispose in an area that will not
impact streams or SCMs. Re -sod if necessary.
Vegetated conveyance
the swale,
! swales / roadside
Regrade the slopes to the permitted configuration per the
ditches (other than curt
The side slope is
approved plan and reestablish vegetation. If as -built or
outlet swales)
steeper than the
existing conditions do not allow the slopes to be
approved configuration.
regraded, contact the applicabie permitting agency.
Determine the source of the problem: soils, hydrology,
Grass is dead, diseased
disease, etc. Remedy the problem and replace plants.
or dying.
Provide a one-time fertilizer application to establish the
ground cover if necessary.
Trees and/or other
Remove the trees and woody vegetation from the
woody vegetation are
vegetated conveyance, regrade the vegetated conveyance
present in the vegetated
if necessary and re-establish grass as shown on the
conveyance,
approved plans.
In has occurred.
Cio 99� 9
Clean out the outlet device. Dispose of the sediment Off -
site.
The outlet device (if
applicable)
The outlet device is
Repair or replace the outlet device.
damaged
Erosion or other signs of
damage have occurred
Repair the damage and improve the flow dissipation
at the outlet,
structu re.
The receiving water
Discharges from the site
are causing erosion or
Contact the local NCQEQ Regional Office.
sedimentation in the
receiving water.