SW6230601_Plansheet - SCM Detail_20231206

2� GRASS SPILLWAY
\ ( ( \
MAIN POND AREA
E 1
TOP OF STORMWATER
EMBANKMENT � Y � � MANAGEMENT/ / EASEMENT
\ A� ELEV=375.0
)/ VEGETATED SHELF T �\
\ \ _ — i i LO \ l \, `� AREA-4,170 SF A
Yx REFER TO DETAIL \ V
ON SCM-2 FOR
PLANTINGS
RIP-RAP DISSIPATER PAD j
� WIDTH-27' / / I V °°� / \ ( �� CLASS B RIP-RAP
LENGTH=24' - O / OVER FILTER
�// T O / / \ ` FABRIC AT
THICKNESS24" ,-�
RIP-RAP CLASS-1 7� — — / �° �1 �� / A °�y- O Y o Y FOREBAY WEIR
\
'0
SOD AREAS ABOVE
- j / // / NORMAL POOL
0 — T / 2 0`00 // �\ EELVATION c o C) '0 c
- - s Y �
FES �i / / // A Y .E N co 0
ELEV=366.0 _ — — �, L+50 00 / / /� Y // \ �� U w �o U o U
r Q z E
/ Y - -/// ' � / / °5 V o - -
i 60LF-36" HDPE @1.67W _
Vz
OUTLET PIPE °°��oG/ / as �a0 / \ /
°° �CA� m m
FUREBAY AREA
2� CONCRETE / 7 / /
SEEPAGE COLLAR ° / �/ , Lj NLET PIPE WITH / A
qc RIP—RAP APRON /
(DESIGNED BY /
�// / ��O O - OTHERS)
Y OUTLET CONTROL, �, / l _ O Cy j 0
STRUCTURE REFER /
TO DETAILS ON ��� — / / //
SCM-2 �� �� / / x % / / LU I
z
TOP OF
/ VEGETATIVE SHELF O
/ ELEV-367.5
W LU
BOTTOM of ��� - - , , 'STORMWATER 5 PLAN VIEW
VEGETATIVE SHELF i , �� 0�, EOOE�TNT �� w o
� \ ELEV=366.0 �� �, � / =�__� — � ,-5 � � _
/ RIP-BAP DISSIPATER PAD -'� GRAPHIC SCALE z
T WIDTH-22' _ �� �� �� W
TEMPORARY POOL LENGTH=19' 2 �L� �� 30 0 15 30 60 12o Q W
M LU
7 / / ELEV 369.8 i / THICKNESS-36"
STORMWATER RI
/ �' �
P-RAP CLASS-2 V
�� / v
MANAGEMENT ' _ L W
IN CID EASEMENT �' — / �r / / / r� �LJ 1 inch FEET
ft. CC Q
/ T\ �� r� / �� r� W Q
PROP Ln O O O N fl Q O
GRADE 03 CDCDCD
IT C-0 CD C-Do � z
LU
Ex CD 00 � � N � 00 � LU
cc
GRADE 5 7 0 7 5 0
' cm cm U0 0
L1J
Jbu Cl) m
a
EXISTING
575 Z EGA 05
} r
1 SLOPE
100-YR ELEV=373.52
1 SLOPE ` SEAL
CONCRETE
i
SEEPAGE COLLAR
10-YR ELEV=371.22 ¢' + •r
e
#� •■rsr k
370 — 2=YR ELEV.=370,09 370 # (j
-- --- ----------------- ----- ---- ---- --------------- - --- ------------ i
1-YR ELEV.=369.78
i
/ 1" STORM ELEV.=367.21
/ PERMANENT POOL ELEV.=367.0 00-
PLAN STATUS
565 FES 565 04/11/23 INITIAL SUBMISSION
08/30/23 End SUBMISSION
o
FLEV TOP G[- PH
DATE DESCRIPTION
ELEV= 60.5 CEP CEP MEE
DU U POPE (Top Of SEDild[PI
_ DESIGN DRAWN CHKD
SCALE H: 1" = 30'
V:
JOB No. 22016401003
WET POND D R O O L E MEW DATE APRIE 11, 2023
H ORI ZOH TAL SCALE 1 " TO FILE No,
VERTICAL SCALE 1 " Z9
SHEET SCM-1
Cad file name: VA220164 — Stonegate\220164-01-003 (ENG) — Wimberley Development — Hoke County, NC\Engineermg\EngineeTmj Plans\Construction Plans\048-030—SWDdwg

CONSTRUCTION SEQUENCE 10' MIN
FOR WET DETENTION POND: EMBANKMENT WIDTH
1, INSTALL EROSION CONTROLS,
6" TOPSOIL FOR ALL
2, CONSTRUCT DAM BASE AND AREAS BELOW THE AREAS ABOVE THE
NORMAL POOL, CONSTRUCTION TO BE NORMAL POND ELEVATION
PERFORMED UNDER THE INSPECTION OF THE
GEOTECHNICAL ENGINEER, SEED UPON
TRASH RACK
COMPLETION,
REFER TO DETAIL
3, INSTALL OUTLET PIPE, RIP-RAP APRON AND THIS SHEET
STONE FILTER RING, 36" CLASS III RCP WITH WATER TIGHT SEAL
PIPE TO BE BEDDED
4, CONSTRUCT OUTLET STRUCTURE, PER DIRECTION OF GEOTECHNICAL
6" TOPSOIL ABOVE
5, REMOVE ACCUMULATED SEDIMENT AND SEED ENGINEER 3 6" CLAY LINER REFER TO DETAIL
UPON COMPLETION, ON LITTORAL SHELF FOR INCREMENTAL
1 6" CLAY SOIL WEIR
LINER ON INSIDE 6" TOPSOIL FOR ALL
3
FACE OF AREAS ABOVE THE
EMBANKMENT NORMAL POND ELEVATION
6
4'x4' PRECAST
6FT LITTORAL 1 CONCRETE RISER FOREBAY BERM WIDTH OF BERM = 20 FT
SHELF (INSTALL STEPS
AS NECESSARY)
6" TOPSOIL ABOVE
6" CLAY LINER 3:1 NOTE: PUMPS SHALL BE USED TO DRAIN
ON LITTORAL SHELF THE FOREBAY WHEN NECESSARY, REFER TO DETAIL
SEDIMENT STORAGE THIS SHEET FOR DEWATERING REQUIREMENTS.
6FT 6:1 TOP FOREBAY BOTTOM
� LITTORAL
PVC ELBOW SHELF
3' MIN SEE DETAIL 2
2 NOTE. PUMPS SHALL BE USED TO DRAIN
THE POND WHEN NECESSARY, REFER TO DETAIL CLASS BRIP-RAP
m THIS SHEET FOR DEWATERING REQUIREMENTS, OVER FILTER FABRIC
x x MIN. 4' GRASS FOREBAY WEIR
4' RIP, ASTM C-923 SEAL
KEY
BETWEEN BARREL & RISER
RISER BASE TO BE FILLED
CUTOFF TRENCH WITH CONIC, TO INVERT OF BOTTOM OF POND (TOP OF SEDIMENT STORAGE)
--ZZAPPROXIMATE SIZE BARREL CONCRETE SHALL BE FOREBAY ENTRANCE SHALL BE
6" TOPSOIL FOR ALL
AREAS ABOVE THE
EXCAVATE AND BACKFILL 8"X8"X1"X12" LONG ANGLE (6 TOT. REQUIRED) TO ANCHOR RISER TO PLACED IN RISER AFTER BOTTOM OF SEDIMENT STORAGE DEEPER THAN FOREBAY EXIT NORMAL POND ELEVATION
BASE. PROVIDE 2-3/4" A307 BOLTS FROM ANGLE TO RISER AND ANGLES ARE SECURED BOTTOM OF SEDIMENT
WITH COMPACTED TO BASE AND RISER.STRUCTURAL FILL AS 2-A307 "J" HOOKS 3T4" DIA. X 12" LONG FROM ANGLE TO BASE, STORAGE/EXIT BOTTOM OF SEDIMENT
ANGLE TO BE FIELD COATED WITH ZINC RICH PAINT AFTER STORAGE/ENTRANCE -6 -6
DIRECTED BY GEOTECHNICAL CONSTRUCTION. "J" HOOKS TO BE PLACED UNDER LOWER REINFORCING J rn O J
ENGINEER STEEL, 6" CLAY SOIL CZ o co
5'x5'x1.5' GONG, BASE REINFORCE WITH #4 BARS At 12" O,C. TOP LINER FOREBAY ENTRANCE SHALL BE FOREBAY c 0 co c
DEEPER THAN FOREBAY EXIT •Ej 0
AND BOTTOM OF EACH DIRECTION PROVIDE 3" MIN, CLEARANCE MAIN POOL cs It2
BETWEEN EDGE OF CONC, AND STEEL REINFORCING. U � Z q U
ct
Q C'j= rn E
PROFILE OF WET POND DETENTION SYSTEM o w o
SCALE: NTS STORMWATER MANAGEMENT DESIGN WET DETENTION POND C) < CZ
RIVER BASIN: LUMBER m m
RECEIVING STREAM: QUEWHIFFLE CREEK
STREAM INDEX: 14-2-14
NOTES: STREAM CLASS: C
1, SEE DESIGN PLANS FOR SPECIFIED DIMENSIONS OF RISER, HUC 0304020302
FILTER MEDIA (SEE NOTE 2) 2 TRASH RACK DIMENSION CRITERIA SPECIFIED IS APPROXIMATE AND VARIES BY MANUFACTURER, PROJECT COORDINATES: 35.100808'N, -79.377331'W STAGE/STORAGE TABLE
3, INSTALLATION OF TRASH RACK SHALL BE ACCORDING TO MANUFACTURER'S RECOMMENDATIONS,
SILT FENCE AS NEEDED-,", ��UMP 4, ALL COMPONENTS OF TRASH RACK SHALL BE OF STAINLESS STEEL OR OTHER NON-CORROSIVE MATERIAL, POND DESIGN SUMMARY STAGE FT ELEVATION CONTOUR AREA INCREMENTAL TOTAL STORAGE
5, ALL MOUNTING HARDWARE SHALL BE OF STAINLESS STEEL OR OTHER NON-CORROSIVE MATERIAL (FT) (SF) STORAGE (CF) (CF)
FLOW DRAINAGE AREA TO POND: 30.69 ACRES
TRASH RACK A SITE IMPERVIOUS AREA TO POND: 8,52 ACRES 00 367.0 29,810 0 0
NON CORROSIVE MATERIAL r 5.5" OFF-SITE DESIGN IMPERVIOUS AREA TO POND: 0,57 ACRES 05 367.5 32,690 15,625 15,625 VJ
@ 5.5" SPACING �� �� �� TOTAL DESIGN IMPERVIOUS AREA TO POND: 9,09 ACRES 1.0 368.0 34,530 16,805 32,430
TRASH RACK � � � � 20 369.0 38,230 36,380 68,810
PRE-DEVELOPED POST-DEVELOPED POST DEVELOPED Q Z
TO POND TO POND THROUGH POND 28 369.8 41,240 31,788 100,598 (WQV)
5.5" DRAINAGE AREA: 30,69 AC 30,69 AC 30 370.0 41,990 8,323 108,921
NOTES: WATER LEVEL �� w
CURVE NUMBER: 65.7 78.7 4,0 371,0 45,180 43,585 52,506
TIME OF CONCENTRATION: 6 8 MIN 5.0 MIN Q Z
5,0 3720 47,810 46,495 199,001
1, PRIOR TO INSTALLATION, MANUFACTURER SPECIFICATIONS OF FILTER MEDIA SHALL BE REVIEWED TO ❑❑❑❑ 5.5" 6,0 373.0 50,490 49,150 248,151
ENSURE THAT DISCHARGE FROM FILTER MEDIA SHALL MEET OR EXCEED THE PROVISIONS OF THE CLEAN ❑❑❑❑� �OYEAR STORM
EVENT: 5 88 CFS 63,74 CFS 0.663 CFS
WATER ACT. 7,0 374.0 53,220 51,855 300,006
❑❑❑❑❑❑❑ 2-YEAR STORM EVENT: 28,44 CFS 88,60 CFS 2,771 CFS 80 375.0 56,010 54,615 354,621 Z
2, ENSURE THAT PUMP PRESSURE DOES NOT EXCEED FILTER MEDIA PRESSURE RATING. 5,5" w
I❑❑❑❑❑❑I 10-YEAR STORM EVENT: 69.58 CFS 162 4 CFS 23.15 CFS Lij
3, FILTER MEDIA MAY BE, BUT NOT LIMITED TO, SAND MEDIA FILTRATION DEVICES, RATED FILTER FABRIC ❑❑❑❑❑❑ 100-YEAR STORM EVENT: 147,3 CFS 284.2 CFS 75,42 CFS
BAGS OR POLYMER BASED DEWATERING PRACTICES, ❑❑❑❑❑❑� NOTE: RISER W O
TRASH RACK SHALL BE INSPECTED
4, PUMP STRAINER SHALL NOT BE IN CONTACT WITH BOTTOM OF POND, - ❑❑❑❑❑❑�❑❑ PERIODICALLY AND ANY DEBRIS ON
❑❑❑�� ❑�❑❑� THE TRASH RACK IS TO BE REMOVED
BMP POND DEWATERING OW POINT ❑❑LL AND PROPERLY DISPOSED OR < Lw
RISER z
RISER TRASH RACK DETAIL a Ir
m
w SEEDBED PREPARATION: RISER STRUCTURE
6" PVC SCREW CAP TOP OF STRUCTURE NOT SHOWN FOR CLARITY o
1, CHISEL COMPACTED AREAS AND SPREAD TOPSOIL THREE INCHES DEEP OVER ADVERSE SOIL CONDITIONS, IF TVp
AVAILABLE, FOR CLEANING ACCESS OS (REMOVABLE TRASH RACK)
2, RIP THE ENTIRE AREA TO SIX INCHES DEEP. WFTR 3YE Ir
3, REMOVE ALL LOOSE ROCK, ROOTS AND OTHER OBSTRUCTIONS, LEAVING SURFACE REASONABLY SMOOTH AND FLOW LONG TOP OF EMBANKMENT W
UNIFORM IT B W SS CHANNEL LINING SPILLWAY ELEVATION
4, APPLY AGRICULTURAL LIME, FERTILIZER, AND SUPERPHOSPHATE UNIFORMLY AND MIX WITH SOIL (SEE SEEDING 0(100) SLOPE(%) ELEVATION TFRMFOTAT W
5, CONTINUE TILLAGE UNTIL A WELL-PULVERIZED, FIRM, REASONABLY UNIFORM SEEDBED IS PREPARED FOUR TO SIX GRASS STRAW WITH NET NAG 2" MIN, EXTENDPVC wFR 369g
INCHES DEEP 75,42 CFS 33.3% 1.5' 20.0' 29,0' 3:1 375.0 373.5
6, SEED ON A FRESHLY PREPARED SEEDBED AND COVER SEED LIGHTLY WITH SEEDING EQUIPMENT OR CULTIPACK SPILLWAY SHOREMAX W/ P300 THROUGH
AFTER SEEDING OPERATION & MAINTENANCE RISER Uj
7, MULCH IMMEDIATELY AFTER SEEDING AND ANCHOR MULCH. STRUCTURE m
8, INSPECT ALL SEEDED AREAS AND MAKE NECESSARY REPAIRS OR RE-SEEDINGS WITHIN THE PLANTING SEASON, IF BMP element: Potential problem7 How I will remediate the problem W 6"d' PVC TEE a
POSSIBLE, IF STAND SHOULD BE MORE THAN 60% DAMAGED, RE-ESTABLISH FOLLOWING THE ORIGINAL LIME, The entire BMP trash/debris Is present Remove the trash/debris EXTEND LINING TO EXTEND LINING TO
FERTILIZER AND SEEDING RATES. he TOP OF SPILLWAY TOP OF SPILLWAY TOP OF EMBANKMENT=375.0 PERM. POND ELEV.=367.0 �� 26 FT 20 SL
9, CONSULT S&EC ENVIRONMENTAL ENGINEERS ON MAINTENANCE TREATMENT AND FERTILIZATION AFTER PERMANENT etentenure er ohe we Areas of bare soil andor Deed
the soil if necessarion basin erosive gullies have formed rem CAP AT END OF TEE
gove the gully, and then p to plant ► INSTALL 6" PVC SCREW
COVER IS ESTABLISHED, a ground cover and water until it
LANDSCAPING NOTES: is established. Provide lime and AND DRILL 4"DIA. HOLE
a one-time fertilizer application S ITCHANNEL LINING INTO PVC CAP AT
ALL LANDSCAPING SHALL BE IN COMPLIANCE WITH THE NCDEQ BMP REQUIREMENTS. Vegetation is too short or too Maintain vegetation at a height if SPILLWAY ELEVATION=373.5 ELEV-367.0
Tong of approximately six inches,
The inlet device: pipe or The pipe Is clogged. Unclog the pipe Dispose of the MATTING SHALL BE AS NOTED 12" MIN,
LANDSCAPE CONTRACTOR SHALL PROVIDE ATWO-YEAR WARRANTY FOR BMP PLANTING SURVIVAL/REPLACEMENT. wale sediment off-site. OR APPROVED EQUAL, B
The pipe Is cracked or Replace the pipe.
At THE END OF THE FIRST YEAR AND AT THE END OF THE TWO-YEAR WARRANTY PERIOD, ALL PLANTS THAT DO NOT otherwise damaged
SURVIVE MUST BE REPLACED. Erosion is occurring in the Degrade the swage if necessary GRASS SPILLWAY DETAIL GRASS SOD ON SPILLWAY OUTLET CONTROL STRUCTURE - INCREMENTAL WEIR
swale, to smooth it over and provide AND SIDE SLOPES
rosion controlsuch s
ESTABLISHMENT PROCEDURES, SUCH AS CONTROL OF INVASIVE WEEDS, ANIMAL AND VANDAL DAMAGE, MULCHING, reinfo ced turf mdat�ting ces or nprap SCALE: N.T.S.
RE-STAKING, WATERING, AND MESH OR TUBE PROTECTION REPLACEMENT, SHALL BE IMPLEMENTED TO THE EXTEND to avoid future problems with
NEEDED TO ENSURE PLANT SURVIVAL. STAKING MUST BE REMOVED AFTER ESTABLISHMENT (APPROXIMATELY 12 erosion. r -t ;at•*""`+��
MONTHS), TO PREVENT GIRDLING (STRANGLING) OF ALL WOODY PLANTS. The forebay Sediment has accumulated to Search for the source of the * :
a depth greater than the sediment and remedy the �+
SOD WITHIN BMP AND SURROUNDING AREAS TO BE BERMUDA OR CENTIPEDE GRASS. original design depth for problem if possible. Remove the PVC DRAIN OUTLET C +_sediment storage, sediment and dispose of It Ina SEAL +
GRASS OR WILDFLOWER SEED MUST BE APPLIED AT THE RATES SPECIFIED BY THE SUPPLIERS. IF PLANT location where It will not cause SCALE: N.T.S.impacts to streams or the BMP,
ESTABLISHMENT CANNOT BE ACHIEVED WITH SEEDING BY THE TIME OF SUBSTANTIAL COMPLETION OF THE STORMWATER Erosion has occured. Provide additional erosion
FACILITY PORTION OF THE PROJECT, THEN THE CONTRACTOR SHALL PLANT THE AREA WITH WILDFLOWER SOD, PLUGS, protection such as reinforced turf % (4,&
CONTAINER PLANTS, OR OTHER MEANS TO COMPLETE THE SPECIFIED PLANTING AND PROTECT AGAINST EROSION matting or ricrac if needed to 12" 6•C # _ +� 'I + •
BEFORE WATER IS ALLOWED TO ENTER THE STORMWATER BMP FACILITY. prevent future erosion problems. x
Weeds are present. Remove the weeds, preferably by # [j ♦46
ALL MATERIALS SHALL BE ACQUIRED FROM AN APPROVED RODEO PLANT VENDOR. PLANT MATERIAL SHOULD BE hand, If pesticide Is used, wipe it 3.0' "'
*�
on the plants rather than �• � 6
PURCHASED FROM A LOCAL SOURCE TO ENSURE SURVIVABILITY. LOCAL VENDORS FOR THIS SITE INCLUDE: spraying, SHALLOW LAND ZONE
- CILL IRE NATIVE PLANT NURSERY 919-662-5566 The vegetated shelf Best professional practices Prune according to best HERBACEOUS PLANTS SHALLOW WATER ZONE
- GROWING WILD NURSERY 910-259-6361 show that pruning is needed professional practices ° a ° ° HERBACEOUS PLANTS
- NC FOREST SERVICE 919-731-7988 to maintain optimal plant a °
- PLANT DELIGHTS NURSERY 919-772-4794 health, °a a ° a 4 DEBAR @ 12" OC
STORMWATER MANAGEMENT NOTES: # ❑�
❑/rf
- TARHEEL NATIVE TREES 919-553-5927 Plants are dead, diseased or Determine the source of the o ° a r
dying, problem: soils, hydrology, disease, ° a a IN FRONT & REAR FACE C POND
etc. Remedy the problem and a ° OF COLLAR, DEBAR TO �❑
IMMEDIATELY AFTER THE WET DETENTION BASIN IS ESTABLISHED, THE PLANTS ON THE VEGETATED SHELF AND THE DEVELOPER OR HIS AGENT SHALL CONTACT THE DESIGN ENGINEER WHEN (NORMAL POOL)
replace plants. Provide a a ° HAVE E MIN, CONIC. COVER ❑
PERIMETER OF THE BASIN SHOULD BE WATERED TWICE WEEKLY IF NEEDED UNTIL THE PLANTS BECOME ESTABLISHED one-time fertilizer application to THE BEST MANAGEMENT PRACTICES) ARE CONSTRUCTED AND ABOUT TO a ° a ° FROM EDGE OR FACE OF COLLAR 1
(COMMONLY SIX WEEKS) establish the ground cover if a BECOME OPERATIONAL SO A FINAL INSPECTION CAN BE PERFORMED TO °
soil test indicates it is necessary, DETERMINE COMPLIANCE WITH THE APPROVED PLAN CAN BE PERFORMED. ° 6
NO PORTION OF THE WET DETENTION POND SHOULD BE FERTILIZED AFTER THE FIRST INITIAL FERTILIZATION THAT IS Weeds are present. Remove the weeds, preferably by ° ° °a PLAN STATUS
REQUIRED TO ESTABLISH THE PLANTS ON THE VEGETATED SHELF. hand, If pesticide Is used, wipe It 2, ANNUAL MAINTENANCE INSPECTION AND REPORT REQUIRED - THE OWNER OF ° a °a
on the plants rather than A PERMITTED STRUCTURAL STORMWATER BMP/CONTROL SHALL ANNUALLY a ° 04/11/23 INITIAL SUBMISSION
NOTES: TYPICAL LITTORAL SHELF VEGETATION DETAIL
LANDSCAPING NOTES: The main treatment area sediment has accumulated to Sparchgfor the source of the SUBMIT A MAINTENANCE AND INSPECTION REPORT FOR EACH BMP TO THE ° ° ° � 1. ALL CONCRETE TO BE 3000 PSI NON-FLY 08/30/23 2Yld SUBMISSION
a depth greater than the sediment and remedy the STORMWATER ADMINISTRATOR, ANNUAL INSPECTIONS SHALL BEGIN WITHIN a ° a ° ASH. SCALE: N.T.S.
CONTRACTOR SHALL COMPLY WITH ALL APPLICABLE CODES AND ORDINANCES REGARDING LANDSCAPING. original design sediment problem if possible. Remove the ONE YEAR OF THE RECORDATION OF ANY DEED(S) SHOWING STORMWATER ((3
a 2. APPLY n' THICK WRAP OF ASPHALTIC
2, IT IS THE RESPONSIBILITY OF THE CONTRACTOR TO ESTABLISH A HEALTHY STAND OF GRASS ON ALL SEEDED
storage depth. sediment and dispose of It Ina BMPsTCONTROL STRUCTURES. a o a° CEMENT AROUND DISCHARGE PIPE 6"
AREAS, location where It will not cause 6" CLASS III RCP BEYOND PLANNED SEEPAGE COLLAR ON NURSERY CONTAINER
3, CONTRACTOR SHALL PROVIDE NATURAL TOPSOIL THAT IS FERTILE, FRIABLE, WITHOUT MIXTURE OF SUBSOIL impacts to streams or the BMP, a ° SCIENTIFIC NAME COMMON NAME PLANTING ZONE QUANTITY SPACING PLANTING SEASON
MATERIALS, AND OBTAINED FROM A WELL DRAINED, AVAILABLE SITE, IT SHALL NOT CONTAIN SUBSTANCES Algal growth covers over 50% Consult a professional to remove 3, UPON COMPLETION OF THE PROJECT, AND BEFORE A CERTIFICATE OF °a BOTH SIDES, TYPE
WHICH MAY BE HARMFUL TO PLANT GROWTH, TOPSOIL SHALL BE SCREENED AND FREE FROM CLAY, LUMPS, of the area, and control the algal growth, OCCUPANCY SHALL BE GRANTED, THE ENGINEER OF RECORD SHALL CERTIFY ° 3. APPLY ADDITIONAL ASPHALTIC CEMENT At DATE DESCRIPTION
STONES, ROOTS, PLANTS, OR SIMILAR SUBSTANCES 1" OR MORE IN DIAMETER, DEBRIS, OR OTHER OBJECTS Cattails, phragmltes or other Remove the plants by wiping THAT THE COMPLETED PROJECT IS IN ACCORDANCE WITH THE APPROVED ° a °a PIPE/SEEPAGE COLLAR INTERFACE ON Jancus effesus Soft Rush SHALLOW WATER 174 PEAT POT 6' O.C. SPRING/SUMMER
WHICH MIGHT BE A HINDERANCE TO PLANTING OPERATIONS, TOPSOIL SHALL CONTAIN AT LEAST 4-6% ORGANIC invasive plants cover 50% of them with pesticide (do no STORMWATER MANAGEMENT PLANS AND DESIGNS, D UPSTREAM FACES,
he basin surface, spray) a ° a 4. TO BE FIELD INSPECTED BY GEOTECHNICAL CEP CEP MEL
MATTER BY WEIGHT AND HAVE A PH RANGE OF 5.5 TO 7.0. s virginica Blue Flag Iris SHALLOW WATER 74 PEAT POT 6' O.C. SPRING/SUMMER
4, CONTRACTOR SHALL BE RESPONSIBLE FOR THE WATERING AND THE MAINTENANCE OF ALL LANDSCAPED AREAS The embankment Shrubs have started to grow Remove shrubs immediately, 4, A FINAL INSPECTION OF THE SITE AND STORMWATER COP MANAGEMENT a a ° ° ENGINEER. ASPHALTIC CEMENT TO MEET OR
on the embankment BMP/CONTROLS TO BE SCHEDULED WITH AND COMPLETED BY THE PROJECT ° a a EXCEED FEDERAL SPECIFICATION SS DESIGN DRAWN CHKD
UNTIL THE LATER OF; (a) THIRTY (30) DAYS FOLLOWING THE PLANTING OF THE GRASS AND SHRUBS, OR (b) Evidence of muskrat or beaver Use traps to remove muskrats ENGINEER. ° Schoeno Iectus tobernaemontani
THE DATE THAT STORE OPENS FOR BUSINESS TO THE PUBLIC, CONTRACTOR SHALL ALSO BE RESPONSIBILITY activity is present, and consult a professional to o a ° TYPE 1: ASTM-D-2822-75 TYPE 1. P Soft Stem Bulrush SHALLOW WATER 74 PEAT POT 6' O.C. SPRING/SUMMER H:
FOR THE SURVIVAL OF THE BMP PLANTING MATERIALS DURING THE TWO-YEAR WARRANTY PERIOD AND SHALL remove beavers, ° a a ° a SCALE A:
REPLACE ALL PLANTS THAT DO NOT SURVIVE AT THE END OF THE FIRST YEAR AND AT THE END OF THE A tree has started to grow on Consult a dam safety specialist 5, NCDEQ AND THEIR ASSIGNS HAVE RIGHT TO ACCESS THE STORMWATER ° a ° a Eupatoriadelphus maculatus Spotted Trumpetweed SHALLOW LAND 174 PEAT POT 6' O.C. SPRING/SUMMER
he embankment, to remove the tree. CONTROL(s) FOR INSPECTIONS OR MAINTENANCE AS NECESSARY, ° SOB N0. 22016401-003
SECOND YEAR OF THE WARRANTY PERIOD. °
An annual innspection by an Make all needed repairs.
6, CONTRACTOR TO VERIFY QUANTITIES SCHEDULED
PRIOR TO COMMENCING WORK. a ° p p p y SHALLOW LAND 174 PEAT POT 6' O.C. SPRING/SUMMER
appropriate professional shows 6, THE ENGINEER'S CERTIFICATION OF COMPLETION WILL BE REQUIRED PRIOR TO a ° Eu atorium ur ureum Joe-P e Weed
6. ANY DISTURBED AREAS NOT SCHEDULED FOR HARDSCAPE, PLANTINGS, OR MULCH SHALL BE SEEDED LAWN. that the embankment needs & a °
e air. if a licable THE FINAL PLAT OR CERTIFICATE OF OCCUPANCY, THE STORMWATER a a ° DATE APRIL 11, 2023
REFER TO SITE PLAN FOR LOCATION OF AREAS TO BE SODDED, a
7. NO PLANT SUBSTITUTIONS ARE PERMITTED WITHOUT WRITTEN APPROVAL OF THE OWNERS REPRESENTATIVE. The outlet device Clogging
in has occurred. Clean out the outlet device CONTROL IS TO BE INSPECTED TO ENSURE IT IS FUNCTIONING AS DESIGNED ° Y P nchos ora Rh colorato Starrush WhHetoP SHALLOW LAND 74 PEAT POT 6' O.C. SPRING/SUMMER
8, FOR NEW PLANTING AREAS, REMOVE ALL PAVEMENT, GRAVEL SUB-BASE AND CONSTRUCTION DEBRIS; REMOVE Dispose of the sediment off site, AND HAS FULL DESIGN VOLUME PRIOR TO ISSUANCE OF THE FINAL °
COMPACTED SOIL AND ADD 18" The outlet device is damaged Re air or replace the outlet CERTIFICATE OF OCCUPANCY EILE No,
NEW TOPSOIL, OR TILL AND AMEND THE TOP 18" OF EXISTING SOIL TO MEET 9 p
TOPSOIL/PLANTING MIX STANDARDS FOR TREES. device. CONCRETE SEEPAGE COLLAR
The receiving water Erosion or other signs of contact the local Nc Division of 7 THE PROPERTY OWNER IS RESPONSIBLE FOR MAINTAINING THE STORMWATER TYPICAL LITTORAL SHELF PLANTING SCHEDULE
9, ADJUST TREE PLANTING LOCATIONS TO AVOID UNDERGROUND UTILITIES, PLANT 15' FROM ALL UNDERGROUND damage have occurred at the Water Quality Regional Office, or CONTROLS(s) ACCORDING TO THE APPROVED MAINTENANCE PLAN AND SCALE: N.T.S.
UTILITIES (SEWER AND STORM DRAINAGE, GAS, WATER, PHONE, AND ELECTRICAL LINES,) outlet. the 401 Oversight Unit at DIRECTION OF NCDEQ. S��-�
919-733-1786, SHEET
Cad file name: VA220164 - Stonegate\220164-01-003 (ENG) - Wimberley Development - Hoke County, NC\Engineering\Engineering Plans\Construction Plans\048-030-SWDdwg