HomeMy WebLinkAboutNCS000402_09_Annual Stormwater Operation and Maintenance Report Cover Sheet_20210621Annual Storrawater Operation and Maintenance Report Cover Sheet
City of Mebane, North Carolina
The City of Mebane National Pollution Discharge Elimination System Phase II (NPDES Phase II) Stormwater Permit
(NCS000428) requires that structural SCMs be inspected annually to preserve and continue their function in controlling
stormwater runoff quality and quantity at the degree or amount of function for which the structural SCM was designed.
A. General Information
Use only one Cover Sheet per site with as many specific structural Stormwater Control Measure (SCM)
Inspection Report attachments as needed. Please attach digital photographs of the site and structural SCMs as
applicable.
Project Name: Compass Pointe
Property PIN Number: 163481
SCM Owner: Slatter Management Services, Inc
Owner Address: 4125-G Walker Avenue
Greensboro, NC 27407
Owner Phone #: 336-272-0641 ext. 3999
Owner Email: andrea@slatterinc.com
Annual Inspection Date: 04/22/2020
Inspection Company: G2 Design, P.A.
Company Address: PO Box 297
Apex, NC 27502
Inspector Name: Timothy P. Grady
Inspector Phone #: 919-321-0638
Inspector Email: tgrady@g2designpa.com
B. inspection tceport Attacnments
The listed attachments are the Structural SCM Inspection Reports to be completed for this particular site. Please
use one attachment per inspected and submit all forms together with this Cover Sheet as one single report Also,
please document the number of each structural SCM found at this site in the below blank spaces.
# of SCM's
Bioretention Area
Dry Extended Detention Basin
Filter Strip, Restored Riparian Buffer and Level Spreader
Grassed Swale
Infiltration Basin
Infiltration Trench
Permeable Pavement
Sand Filter
Underground Detention _
Wet Detention Basin 1
Stormwater Wetland
Proprietary Device
Mebane O&M Reports-03-10-2020
Cover Page 1 of 2
Annual Stormwater Operation and Maintenance Report Cover Sheet
City of Mebane, North Carolina
C. Inspection Results
FAIL*
*If any one item on the inspection form is coded as 'Work Needed', then the entire SCM fails inspection.
*If a site has multiple SCMs and one fails inspection, this cover sheet is marked as 'Fail' until all items on all SCMs pass inspection.
Note: Applicable SCM Inspection Reports and confirmatory digital photographs summarizing required repairs must
be submitted to the City following completion of the preliminary inspection. A re -inspection and certification must be
completed within 30 days of the failed preliminary report. It is strongly encouraged that the inspector be part of the
repair and maintenance process in a QA/QC role in order to ensure that repairs are being performed properly.
PASS
ote: A passed inspection form should be signed, stamped, and sealed below by the appropriate Professional
id submitted to the City on or before the established inspection due date. Attach all applicable SCM Inspection
and confirmatory digital photographs accordingly.
D. Professional Certification (Registered North Carolina professional engineer, surveyor, landscape architect,
soil scientist, aquatic biologist, or a person certified by the North Carolina Cooperative Extension Service for
stormwater
To be completed only when all structural SCM's at this site are functional with no outstanding maintenance issues.
as a duly registered
in the State of North Carolina attest that
thorough inspection has been completed for ALL structural SCMs that are associated with this particular site. All
structural SCMs are performing properly and are in compliance with the terms and conditions of the
maintenance agreement required by the City of Mebane.
SEAL
Signature:
Date:
Certification #: 023
Mebane O&M Reports-03-10-2020
Cover Page 2 of 2
Wet Detention Basin
Operation and Maintenance Inspection Report
City of Mebane, North Carolina
Project Name: Compass Pointe
City Project Number: N/A
Property PIN Number: 163481
BMP Name: Wet Detention Pond
BMP Owner: Slatter Management Services, Inc
Owner Address: 4125-G Walker Avenue
336-272-0641 ext. 3999
Owner Phone #: 336-272-0641 ext. 3999
Owner Email: andrea@slatterinc.com
Code Key:
N/A = Not Applicable M = Monitor (potential for future problem)
NP = Not a Problem WN = Work Needed
Inspection Date: 04/22/2020
Recent Rainfall Date: 4/21 /2020
Rainfall Depth (in): 0.44"
Inspector Timothy P, Grady
Company: G2 Design, P.A.
Phone #: 919.321.0638
Email: tgrady@g2designpa.com
Comments
Entire BMP
Trash/debris is present INP -+
Perimeter of the wet detention basin
Bare soil/erosive gullies
WN
See photoqraphic journal
Vegetation is too short or long
N P
Other (describe)
Inlet device: pipe or swale
The pipe is clogged (if applicable)
NP
As best could be observed
The pipe is cracked or otherwise damaged
NP
As best could be observed
Erosion is occurring in the swale (if applicable)
NP
As best could be observed
Other (describe)
Forebay
Sediment accumulation (greater than design depth)
N P
Erosion has occurred
N P
Invasive vegetation
WN
See photographic journal
Other (describe)
Vegetated shelf
Pruning needed for optimal plant health
N P
Plants are dead, diseased or dying
N P
Invasive vegetation
N P
Other (describe)
WN
Discontinue mowinq; See photo journal
Patc l of 2
otential Proble Code Comments
Main treatment area
Sediment accumulation (greater than design depth)
N P
Algal growth over 50% of water surface area
N P
Invasive vegetation covers 50% of water surface
N P
Other (describe)
Embankment
Shrubs/trees present
WN
See photographic journal
Evidence of muskrat or beaver activity is present
N P
Needs repair (determined by appropriate professional)
N P
Other (describe)
WN
Bare areas; See photoqraphic journal
Outlet device
Clogging has occurred
N P
Device is damaged
N P
Debris on trash rack
N P
Other (describe)
WN
Grout separation; See photoqraphic jourr
Receiving Water
Erosion or other signs of damage at the outlet
N P
Other (describe)
WN
Sediment / Veq. See photo journal
Miscellaneous
Access
N P
Vandalism
N P
Signage (if applicable)
N P
Other (describe)
ADDITIONAL COMMENTS
See photographic journal for complete summarization of work required.
PHOTOGRAPHS
Attach digital photographs of the site and structural BMPs including a caption describing the photo.
Page 2 of 2
G
2
n
St or mwat er
Services
P: 919.321 .0638
F: 919.321 .831 1
PO BOX 297
Apex, NC 27502
PHOTOGRAPHIC SUMMARY OF REMEDIATION REQUIRED
A: CUPREMOVE VEGETATION ON THE BACKSIDE OF THE DAM ALL THE WAY DOWN TO THE
TOE OF THE BACK SLOPE; CONTINUE TO MOW ALL SIDES OF THE DAM AS A PART OF
ROUTINE MAINTENANCE TO THE POND
Page 1 of 7
B: CUT AND REMOVE LARGE WILLOWS FROM THE OUTLET DISC
TREAT STUMPS WITH SYSTEMIC AQUATIC HERBICIDE TO PREVENT REGROWTH
Page 2 of 7
61
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D: GROUT VOID AROUND THE ENTIRE OUTLET DISCHARGE PIPE WHERE PIPE
CONNECTS TO THE OUTLET HEADWALL WITH NON SHRINK HYDRAULIC CEMENT
Page 4 of 7
F: CUT & REMOVE CATTAIL DETRITUS FROM THE FOREBAY
G: SCARIFY, SEED W1 K-31, BAHIA, BERMUDA SEED MIX & MAT BARE
SPARSELY VEGETATED AREAS WHERE PRESENT AROUND THE POND
Page 6 of 7
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