SW4240501_Plansheet - SCM Detail_20240819 (2)

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ENGINEER'S CERTIFICATION OF STORMWATER QUALITY CONTROL LEGEND_ FACE—OF-CURB
TO FACE—OF-CURB
Q�
I CERTIFY THAT, PURSUANT TO GENERALLY ACCEPTED ENGINEERING STANDARDS AUE ACCESS &CUTIBITY EASEMENT
\ \ / IN THE COMMUNITY, IT IS MY PROFESSIONAL OPINION THAT RUNOFF FROM THE ��� ���� 'c�JGj SI TE
FIRST INCH OF RAINFALL IS CONTROLLED BY A PERMANENT ENGINEERED ��J��N CAROB����� AE ACCESS EASEMENT ��
\ \ STORMWATER QUALITY CONTROL THAT HAS BEEN DESIGNED TO MEET OR �� f�L / ., FFE FINISHED FLOOR ELEVATION �•
\ \\ EXCEED THE REQUIREMENTS IN THE NORTH CAROLINA DEPARTMENT OF ' �0 ��FESS/Q�9 -,'� MAE MAINTENANCE & ACCESS EASEMENT
ENVIRONMENTAL QUALITY ST RMWATER DES IG A AL.
\� \ \ \ y \ �� = SEAL SDE SIGHT DISTANCE EASEMENT
I \ \ \ oo DISTURBED AREA o
\ \ 1 \ P.E. SIGNATURE . 10727 . ))))
1 \ - DATE AUGUST 19, 2024 �'o0A F NGI NEE W DIVERSION R BERM lO Z
� P EX. POWER
'.,
S
ZC ,�. G EX. COMMUNICATION
— GAS — EX. GAS 6'���z
WATER
VALVE HONE❑ PEDESTAL
VICINITY MAP
, ® UTILITY POLE 1" = 2000'
/ \ ENGINEER'S CERTIFICATION OF STORMWATER QUANTITY CONTROL ���� N CARD ��i,� �- SIGN
C.`n THE STORMWATER CONTROL STRUCTURE(S) SHOWN ON THIS PLAN IS (WILL BE) �` p ESS/ / �i GUY WIRE
/ I \ � \�` I \ DESIGNED TO REDUCE THE POST-DEVELOPMENT 1-YR, 24 HOUR STORM EVENT TO �ti9
PRE-DEVELOPMENT RATES.
F_ _ SEAL
o 10727
P.E. SIGNATURE 00 ZO p=�
LNG I
DATE AUGUST 19, 2024
CONSTRUCTION SEQUENCE
W W W W
1. OBTAIN GRADING PERMIT
2. INSTALL EROSION CONTROL MEASURES AS SHOWN ON EROSION CONTROL PLAN.
/ ��\��• / / W y W / W W y W I \ \ 1
y W 3. COMPLETE GRADING FOR WET POND. POND WILL FUNCTION AS
SKIMMER BASIN DURING CONSTRUCTION.
\ \ 4. AFTER COMPLETION OF CONSTRUCTION, REGRADE WET POND TO
DESIGN STANDARDS, REMOVING ANY DEPOSITED SEDIMENT. SEED
DISTURBED AREAS AND SEED VEGETATIVE SHELF.
W�W W / WSW o I
I 1 \I 5. AFTER STABILIZATION OF DISTURBED AREAS, REMOVE
_ SURROUNDING EROSION CONTROL DEVICES.
O \OI I I\/ 6. COMPLETE AS-BUILT OF WET POND.
/ \ VEGETATED SHELF.
w — 6 MIN. WIDTH
W
W o — MAX SLOPE: 6H 1 V
/ — VEGATATION:
INV OUT = 942.00 MIN. 3 DIVERSE,
Z7 W ©�-�W , \ HERBACEOUS, NATIVE SPECIES
_ PTI 3 — 50 PLANTS PER 200 SF OF SHELF
' RIPRAP DIS. PAD POND RISER WZ TRASH RACK
/ ANTI—VORTEX DEVICE
W = g CREST = 945.0 MIN. 10'
CLASS B RIPRAP 2" ORIFICE W/ 7 TEE = 943.7 x7> ANTI—SEEP
M AUNT• gE�l � I \ I —
9470
�o / J 1 .5" ORIFICE W/ TEE — 942.0 RIPRAP DIS. PAD
—
6 DEWATERING VALVE 935.0
COLLAR L = 18'
/
24" STORM OUT = 933.0 W = 9'
941 .5/ 100—YEAR ELEV = 94578 CLASS B RIPRAP/ 36' STORM .
ORM 5 WIDTH
FOREBAY
/ WQ VOLUME = 942.0-943.7
939.0 li PERM POOL ELEV = 936.0-942.0
938.5 VEGETATED SHELF = 941 .0— 942.0 24" STORM
) _ SEDIMENT STORAGE = 935.0-936.0
�— SED STORAGE 938.0
777o�ooG�oGo��oo
WET POND 2 J1
1" = 20' 1 KEY TRENCH TO BE
WET DETENTION POND DETAIL 5� EXCAVATED TO STABLE
POST-CONSTRUCTION MAINTENANCE
NTS SUB—SOIL; FILLED WITH
1. IMMEDIATELY AFTER THE WET POND IS ESTABLISHED, THE APPROVED MATERIAL &
PLANTS ON THE VEGETATED SHELF AND PERIMETER OF THE COMPACTED TO 95% STD.
BASIN WILL BE WATERED TWICE WEEKLY IF NEEDED, UNTIL THE
PLANTS BECOME ESTABLISHED (COMMONLY SIX WEEKS). PROCTOR, MIN. 5' DEPTH.
2. NO PORTION OF THE WET POND WILL BE FERTILIZED AFTER THE
FIRST INITIAL FERTILIZATION THAT IS REQUIRED TO ESTABLISH
THE PLANTS ON THE VEGETATED SHELF.
3. STABLE GROUNDCOVER WILL BE MAINTAINED IN THE DRAINAGE
AREA TO REDUCE THE SEDIMENT LOAD TO THE WET POND.
w 4. IF THE POND MUST BE DRAINED FOR AN EMERGENCY OR TO
PERFORM MAINTENANCE, THE FLUSHING OF SEDIMENT THROUGH
THE EMERGENCY DRAIN WILL BE MINIMIZED AS MUCH AS
POSSIBLE. LANDSCAPE PLAN
5. ONCE A YEAR, A DAM SAFETY EXPERT SHOULD INSPECT THE
EMBANKMENT. VEGETATED SHELF
w 6. THE MEASURING DEVICE USED TO DETERMINE THE SEDIMENT
o ELEVATION SHALL BE SUCH THAT IT WILL GIVE AN ACCURATE VEGETATED SHELF (PLAN VIEW) W W W W
of DEPTH READING AND NOT READILY PENETRATE INTO W W W W
IZ ACCUMULATED SEDIMENTS. TOTAL AREA = 1430 SQFT
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120 - WHITE TURTLEHEAD (1-QT) PRELIMINARY — NOT FOR CONSTRUCTION
w 119 - SCARLET ROSEMALLOW (1-QT)*, WET POND #2 DETAIL SHEET
Q 119 - GREAT BLUE LOBELIA (1-QT) CONSTRUCTION PLANS
c� DAM STRUCTURE (FRONT AND BACK)
J NON-CLUMPING, TURF GRASS - HYBRID BERMUDA RESERVE AT OLD HOLLOW
°' YP WALKERTOWN LLC
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• '• • '• • '• • '• \N CARO4 ., OLD HOLLOW RD. (NC-66)
FESS/p /�[,�'., KERNERSVILLE TOWNSHIP
0 6' . ,. . ,. . ,. . ,. . ,. . ,. 2 Quo by G FORSYTH COUNTY, NORTH CAROLI N A
0 of 50727 < DATE: 2024-03-08 SCALE: NOTED - - - SHEET: 10 OF 20
F�GINEE HUGH CREED ASSOCIATES, INC., P.A.
o 2, TYPICAL VEGETATED SHELF ,,''��•S,z;,,� P''���, CONSULTING ENGINEERS 8c LAND SURVEYORS
PLANTING PLAN OWNER DEVELOPER:
N
� �, � YP WALKERTOWN, LLC
3410 OWLS ROOST RD. P.O. BOX 9623 PHONE: (336) 275-9826
I NTS GREENSBORO, NC 27410
i o �. 1306 W. WENDOVER AVE. OR (336) 275-8084
Na_ C/O ROBIN YAUN GREENSBORO, N.C. 27408 FIRM LICENSE #C-0551
o .. CO AUGUST 19, 2024 ROBINC�?CANDRBUILDERSNC.COM E—MAIL: [e-mail]
CN (336) 669-7651
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