SW3200101_As-Built - Wet Pond Certification_20220216

Project Name
Cresswind Phase I
Permit # SW8 SW3200101
AS -BUILT DESIGNER'S CERTIFICATION FOR
WET DETENTION POND PROJECT
I hereby state that I am a licensed professional and I certify by my signature and seal below, that I have observed
the construction of the project named above to the best of my abilities with all due care and diligence, and that the
project meets all of the MDC found in 15A NCAC 02H.1053, in accordance with the permit documents, plans and
specifications on file with or provided to the Division, except as noted on the "AS -BUILT" drawings, such that the
intent of the stormwater rules and the general statutes has been preserved.
® Check here if this is a partial certification. Section/phase/SCM #
❑ Check here if this is part of a Fast -Track As -Built Package Submittal per 15A NCAC 02H .1044(3).
❑ Check here if the Designer did not observe the construction but is certifying the project.
❑ Check here if pictures of the SCM are provided.
Printed NameMatthew S. Kiker Signature
NC Registration Number049480 Date
SEAL:
- SEAL
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S.
Consultant's Mailing Address:
1020 Euclid Avenue
City:Charlotte State:NC Zip:28203
Phone:[phone]
Consultant's Email address:
kiker.m(@tandh.com
iD Circle N if the as -built value differs from the Plan/permit. If N is circled, provide an explanation on page 2.
O N/E = Not Evaluated (provide explanation on page 2). (IN/A = Not Applicable to this project or SCM.
This Certification must be completed in conjunction with the General MDC certification under 15A NCAC 02H.1050.
Consultant's Certification (MDC 15A NCAC 02H .1053)
Forebay / Depths / FountainOAs-built
OO N/E
OO N/A
1. The available Sediment storage is consistent with the approved
Y N
X
plan and is a minimum of 6 in.
or
2. Water flow over the forebay berm into the main pond occurs at a
Y or N
X
non -erosive velocity.
3. The provided Forebay Volume is 15%-20% of the main pool
Y or N
X
volume.
4. The Forebay entrance elevation is deeper than the exit elevation
Y or N
X
into the pond.
5. The Average Design Depth of the main pond below the
Y or N
X
permanent pool elevation is consistent with the permitted value?
6. Fountain documentation is provided.
Y or N
X
NCDEQ 2/9/2018

Project Name
Cresswind Phase I
Permit # SW8 SW3200101
Side slopes / Banks / Vegetated Shelf
OAs-built
OO N/E
OO N/A
1.
The width of the Vegetated Shelf is consistent with the approved
Y
or
N
X
plans and is a minimum of 6 feet.
2.
The slope of the Vegetated Shelf is consistent with the approved
Y
N
X
plans and is no steeper than 6:1.
or
As -built Main Pool / Areas / Volumes / Elevations
OAs-built
OO N/E
OO N/A
1.
The permanent pool surface area provided is consistent with the
Y
or
N
X
permitted value.
2.
The Temporary Pool Volume provided is consistent with the
Y
or
N
X
permitted value.
3.
The permanent pool elevation is consistent with the permitted
Y
N
X
value.
or
4.
The temporary pool elevation is consistent with the permitted
Y
or
N
X
value.
Inlets / Outlet / Drawdown
OAs-built
OO N/E
OO N/A
1.
The design volume draws down in 2-5 days.
Y
or
N
X
2.
The size of the Orifice is consistent with the permitted value.
Y
or
N
X
3.
A trash rack is provided on the outlet structure.
Y
or
N
X
4.
Hydrologic impacts to the receiving channel are minimized from
Y
N
the 1 yr 24-hr storm discharge?
or
X
5.
The inlets and the outlet location are situated per the approved
Y
or
N
X
plan and avoid short-circuiting.
Vegetation
OAs-built
OO N/E
OO N/A
1.
The vegetated shelf has been planted with a minimum of 3
Y
or
N
X
diverse species.
2.
The vegetated shelf plant density is consistent with the
approved plans and is no less than 50 plants per 200 sf or no
Y
or
N
less than 24 inches on center.
Provide an explanation below for every MDC that was not met, and for every item marked "N/A" or "N/E."
Attach additional pages as needed.
This pond is still currently be used as an erosion control BMP and has not been
converted to a permanent pond. As built data will be provided at a later date.
NCDEQ 2/9/2018