20181080 Ver 1_Scour Hole O&M agreement_20181022

& Maintenance
Project Name: Df tnmrn
Project Location: IKernersville, NC
Cover Page
Maintenance records shall be kept on the following BMP(s). This maintenance record shall be kept in a log in a known set
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 a
Bioretention Cell
Dry Detention Basin
Grassed Swale
Green Roof
Infiltration Basin
Infiltration Trench
Level SpreadertVFS
Permeable Pavement
Proprietary System
Rainwater Harvesting
Sand Fitter
Stormwater Wetland
Wel Detention Basin
Disconnected Impervious Area
User Defined BMP
O&
I 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 party.
Responsible Party:
Title & Organization:
Street address:
City, state, zip:
Phone number(s):
G
Signatur
e
%: Z Date:)
I, J11.! A. P77 , a Notary Public for the State of N -914-y, � I Cay ofi
r
County of �G�--Vim;-�-_`— , do hearby certify that Jtd Iy ri Qn ..Stiu tCfi ¢
personalty appeared before me this day of 06, n,6e,- and
acknowledge the due execution of the tions and ///Maintenance Agreement.
Witness my hand and official seal,,
seal My commission expires

Section 1
Important installation procedures:
Install scour hole per dimensions on approved site plan
Minimum width of the PSRM apron is the standard PSRM roll
PSRM must be tucked a minimum of 1 foot underneath the filter
Scour hole must be installed in a flat area
Immediately atter construction, stabilize the exit areas with
Section 2
Scour hole inspection and maintenance activities shall be as follows:
Description
Method
Frequency
Time of Year
Check for trash and debris, general
Visual
After every significant
As needed or
conditiion of the structure and remove
runoff producing rainfall
Monthly as a
any obsructions
event or monthly
minimum
Inspect area around structure for erosion
Visual
As needed
As needed
or vegitative failure. Eroded rills and
ullies should be filled with topsoil,
Remove accumulated sediment debris
Mechanical or
Semi -Annually
All year
from structure
by hand
Repair any displaced rip -rap to maintain
Mechanical or
Semi -Annually
All year
structure as intended and to correct
by hand
elevation
Check filter fabric under rip -rap and
Mechanical or
Semi -Annually
All year
replace fabric if rips are found
by hand
Annual BMP Certification
Visual
Annually
By August 15