SW6231107_Plansheet - SCM Detail_20240813

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KINGSTON VILLAGE POND A AY ELEV.249.39 TOP OF EMBANKM GABION BASKET FOREBAY WEIR DETAIL ENT 70P OF EMBANKMENT AT ELEV.249.30 reviewed
NOT TO SCALE
- date May 2023
164'±
\\ }\ ,.e STORMWATER PERMANENT POOL EL.245.00 job no. 20-1035-02
IiIX
GABION GABION i
BASKETS BASKETS
/ \ BASKET ---BASK-TURNLD
TURNED
LONGWAYS ON(iWAYS _-
-
^-, FILTER FABRIC
A --
,\ 42"HIN \1. H
\\ OUT @ 245.46 \ A B TOP OF MARKER 249.00 W 4�
42"HW kph � - ��\ \ \\ `� - �� C� Q-I
245.46 4'orifice
OUT
/ @ - - j`��' -------='^���� z�a _ �-- - -- -\ �`_�- = �\ Elevation �. _ � ,-I C] -2 U
overt 246.75 z
NOTE:
1. LAP CONCRETE UP ON SIDES AROUND THE
BASE OF BOX MIN.OF 6". W a o
2.ANCHOR 6'X6`X2.50'THICK CONCRETE PR01lIDE FDD AND I rrrAM a 4' PVC (SDR 35) Q o U
/ ANTI-FLOTATION BLOCK TO RISER WITH REBAR, "__ - W
J' FOREBAY#1 \ \ \ RQD FOR 241 AOEESS HM.E CAPPED UN TUP _+ i J � a)
/ - ----FOREBAY ENTRANCE TO _ gP�o�_________- G �` � 2ps ?A� ` ? \\ AND ANCHORING SYSTEM.ANCHORING SYSTEM _
J BE DEEPER THAN C(, 40- 2 3 e SLu
%J FOREHAY EXIT. �� �p �\ \ \ `\ SHALL BE SUBMITTED TO THE ENGINEER FOR TRASH RACK TO INCLUDE a Q
1 1 J J! C\� `` _` \ \ 4 APPROVAL. E
3.POUR INVERT IN BOX TO ALLOW FLOW FROM ANTI-VORTEX PLATES PERMANENT POOH ELAT Mi ,245.an
Ora down Pipe e GATE TO GO TO PIPE. ALL ASPECTS OF THE OUTLET RLT R M CDIIC. SEE DETAIL THIS SHEET _ cal b
1 I1 -- P 4-Onfice BEONTROL NONCORROSIVERE SHALL I' RED DUCT TAPE
�O Elevation 246.75
DIMENSIONS, MATERIALS= r =
OR BLOCK STRUCTURE AI _ AROUND CIRCUMFEREN E
�� FLAT PLATE, 1/4 Dr PVC PIPE
BI _ FLAT ANGLE, 1/4
Q \ 5'x 5'PRECAST CONCRETE BOX r r
(TWO)SEDIMENT CLEAN011T EL 240.00
} \ Permanent Pool 24",RCP C,, 6' C-C BAR STOCK, #4 EL 239.50
Elevation 245,00 i
` D, .
6' C-C HOLE SIZE= ��
E, 68" COATING= -Ni
- ---- Flange POOL FI -� I I I11 fI I ITT I a
HINGED, N/A =_
_ t 4 -'� \ �� _ 6"PVG Tee W14' i• _ e
Drawdown Orifice -
_ � \� @ ELEVATION 245-00 Lp ALUM"TRAM RNC 11 6 Q
Blind Flange w1 I I NOT
SFCWALVFI\Idr /7LV = 1
_ -=_ __ �� '``•� `����--�`~ 15"HW `:` Drilled Orifice L J 6" DRAWDOWN DETAIL BOTTOM OF MARKER 233.50-iiL
@ y Orifice Diameter
OUT 245.oa r _ I4) N.T.S. =' SEDIMENT MARKER DETAIL
241.75 �� N N
-7 NOT TO SCALE
ti -- zs� !
\` 0
5 " L6�- - -� � a d
- ` I PLAN
5`x5'INTERIOR DIM.CONCRETE RISER WI TRASH RACK \ o m o W
TOP OF CONCRETE RISER 247.33
TRASH RACK Six S INTERIOR FLOATING SKIMMER e m oa
TOP OF TRASH RACK 249.33 TRASH RACK
= DIMENSIONED PRECAST C C
CONCRETE BOX OR
INV.24"0-RING OUT @ 244.79 MODEL 9144 MODEL#144 0 0 v g
\ 6"PVC PIPE W/4"ORIFICE DRAWDOWN @ 245.00 a
APPROVED EQUAL a w d=
4"ORIFICE @ 246.75 TOP EL. WATER SURFACE m as a
INTERIOR BOTTOM OF BOX ELE-244.79 247.33 I C`z 4a
OUTER BOTTOM OF BOX ELE. @ 244.29
�\ \ SIMILAR SPECIES OF PLANTS O a --
�� � ` ATTACH 6'X 6'X 2.5'ANTI FLOTATION BLOCK FROM (TYP) SEE NOTE 4 to o c
EMERGENCY �� \ ELE.241.79 TO ELE.244.29 = >
SPILLWAY moo ��� 8"BOTTOM DRAIN ELEV.244.79 (ATTACH SKIMMER FOR 20 4' ORIFICE 246J5 6 5 246.75 P a'vAd
@247.70 EROSION CONTROL W1 FLEXIBLE BOOT) b
POOL ELEV+0.5' m n o`` \ r m
1-� ;/ SHALLOWiiii 6" DRAWDBWN TEE W/ 4' ORIFICE 245.00 I "I n n a
ANTI-SEEP - LAND ri M a a a
COLLARS N ,� NO
**SEE DETAIL PERMANENT POOL ! I - - 24"RCP --
i ---- C-4
THIS SHEET SHALLOW N I INV.EL.244.79 SWIMMING
SEDIMENT BASIN NOTES 24"HW ` � r WATER I7 24' RCP INV. 244J9 ° '' ❑,J NQT OR
` OUT @ 244.65 j , � POOL ELEV-0.5' FRONT VIEW 2.50 AUTHORIZED ENTER FISHING \``�t1111I I I I11 rl,,//
r
POND IS TO BE USED AS A SEDIMENT BASIN DURING THE PERSONNEL ONLY
�� ��' 2'
CONSTRUCTION OF THE SITE. ! ! �\` ',\ �; ��� T ws2 WS3
1 r �1 yp' NOTE:CONTINUOUS 8"GATE VALVE WS1 _ O • p�
r `'r �� U1
ONCE THE SITE IS STABILIZED THE POND IS TO BE CLEARED OF _ _ RUBBER WATER STOP AT FOR DRAINING POiVD :o J
ALL SEDIMENT AND ANY NECESSARY REPAIRS ARE TO BE �` 1 lr �� r ALL CONSTRUCTION JOINTS FOR MAINTENANCE CONCRETE ANCHOR POND WARNING SIGNS _ N w t Q
MADE. r -- _. TYPICAL 120 SOFT. PLAMING DIAGRAM f�1 Slope _ W
TIO �` , NOT TO SCALE SECTION NOT TO SCALE �•:d Q
SEE SHEETS I2A & 12B FOR EROSION CONTROL INFORMATION. r r � NOTE: \
..- 1. THE DAM STRUCTURE, INCLUDING FRONT AND BACK EMBANKMENT SLOPES. OF THE POND SHALL BE VEGETATED WITH 1.T ��id0
1
j ' r NON-CLUMPING TURF GRASS; TREES AND WOODY SHRUBS SHALL NOT BE ALLOWED. O� OW �� HE FLOATING SKIMMER IS FOR EROSION CONTROL
1 i AND IS TO REMAIN IN PLACE DURING THE
2. ALL PLANT SPECIES SHALL BE FROM THE NCDENR-DEQ APPROVED PLANT UST FOR SHALLOW WATER AND SHALLOW NOT TO SCALE CONSTRUCTION OF THE PROJECT.
LAND HERBACEOUS PLANTS AND AS RECOMMENDED BY A CERTIFIED LANDSCAPER OR SUPPLY NURSERY FOR THE
APPLICABLE PLANTING ZONE OR REGION. 2.ONCE THE SITE IS STABILIZED THE FLOATING SKIMMER
THE VEGETATED SHELF FOR POND A IS TO BE REMOVED.THE ORIFICE TEE AND CAPS CAN
IS APPROXIMATELY 4,0 SF. A NTS 50 3. THE VEGETATED SHELF SHALL BE PLANTED WITH A MINIMUM OF THREE DIVERSE SPECIES OF HERBACEOUS, NATIVE THEN BE INSTALLED.
PLANTS PER 200 Si 1,019 PLANTS VEGETATION AT A MINIMUM DENSITY OF 50 PLANTS PER 200 SQUARE FEET OF SHELF AREA.""
ARE REQUIRED- I�
NOTE: 4. SIMILAR SPECIES OF PLANTS ARE TO BE GROUPED TOGETHER. TRASH RACK PLACE ANTI-SEEP COLLAR AS LO
Persuant to G.S. 113A-57(2), the angle for graded slopes and fills shall be ANTI-VORTEX 8" THICK SHOWN IN PROFILE OR NO MORE
60" PRECAST CONCRETE
TOP TRASH RACK PLATES THAN 10' UP-STREAM & DOWN-
not greater than the angle that can be retained by vegetative cover or other 5. PLANTS SHALL COME FROM THE NURSERY IN AT LEAST A 4 CUBIC-INCH CONTAINER. JUNCTION BOX CID
O
ELEV. 249.33 STREAM OF THE CENTERLINE OF
adequate erosion-control devices or structures. In any event, slopes left MMTHE EMBANKMENT.
exposed Will, within 7 calendar days of completion of any phase of grading, be 6. THE PLANTING DENSITY SHALL BE 24" ON CENTER, WITH A MINIMUM OF 50 TOTAL PLANTS PER 2005E OF VEGETATED RISER OVERFLOW 18" {V
SHELF AREA. ELEV. 247.33
planted or otherwise provided with temporary or permanent ground cover,
devices, Or structures sufficient to restrain erosion. Persuant to G.S.113A(3), 7. THE FOLLOWING PLANTS ARE TO BE UTILIZED ON THE SHELF OF THE POND. OTHER PLANTS MAY BE SUBSTITUTED AT 4" ORIFICE ELE. 246.75 24" RCP BARREL ' DISCHARGE PIPE < U may, O
provisions for permanent round cover sufficient to restain erosion must be THE PROFESSIONAL DISCRETION OF THE LANDSCAPER BUT ONLY WITH APPROVAL OF ENGINEER AND NCDEQ: a--r 00 r"'
P P 9 1-6" DRAWDOWN PIPE W/ 4" ORIFICE Q
accomplished for ail disturbed areas within 15 working days or 90 calendar HERBACEOUS SPECIES FOR INV 245.00 18' SQUARE CONCRETE ANTI-SEEP Q
days whichever is shorter following completion of construction or VEGETATEDSHELF COMMON NAME COLLAR. MINIMUM 2500 PSI O (� O
y ) g P 5'X5' PRECAST CONCRETE CONCRETE DIMENSIONS 2D
IL
development. Aselepiasincarnata Swamp milkweed (INTERIOR DIMENSIONS) SQUARE X 8" THICK. (} _ r
5'
Eupatoriadelphus dubius Dwarf Jae Pye Weed 6"WALL ANTI-VORTEX X �>
FOR RISER ANTI-FLOTATION TRASH RACK PLATE TYPICAL ANTI-SEEP COLLARS
Hibiscus couineus Scarlet rosemal low L_ O
27.30' - 24" (0-RING) RCP BARREL DISCHARGE PIPE NTS mm (1)ATTACH ANCHOR BLOCK AT (n
Lobelia Cardinalis Cardinal Flower IN 244.79 BOTTOM OF RISER. ANCHOR TO
BE 6'X6'X2.50' IN SIZE. FROM ELEV. 249.33 W
GRAMINDIDS/POND SLOPES COMMON NAME ELEVATION 241.79 TO 244.29. T2.0'
°.'_'• -• ° CONCRETE ANCHOR RISER OVERFLOW
Eremochloa ophiurodes Centipede grass OUT 244.65 :!' 6.0'x6.0'x2.50'
''d f+a, ( ) ELEV. 247.33 r 0- LL t}
i I.+.
Cynodon dactylon Bermuda grass
COMPACTED EARTHEN
DRAWDOWN ASSEMBLIES (RISER MOUNTED) Ni TOP OF DAM 249-30 DAM(GRASS LINED) 0
SOD ALL SLOPES ABOVE PERMANENT POOL EL, NOTE: \ Crest of weir CO)
N.T.S. 1.RISER IS PRECAST CONCRETE BOX, BARREL RCP AND TRASH RACK Spillway Elev. Z
SHALL BE PLASTIC PRECAST BOX OR APPROVED EQUAL. Z247.70 ❑
OR FLATTER �OUTLET TO EX.GRADE
TOP ❑F BERM 3
611 SHELF BELOW PERMANENT POOL EXCAVATE POND
3 PLANTED WITH SUITABLE WETLAND o W o W o 11 TO THE ELEV
z n z o _I,n o J n ,n z o
�1 SPECIES OR VEGETATI❑N, _ _ N o _ Y = o SHOWN ON THE / \ "�����%�\r \} ' '
Y N Y 7 VI N N a Vl N M IL N
6 z z N N z PLANS
pagj QQ 0 N W N W N w N ¢ N Q \/ /
1 M w �,J w I J �i w J }+ J J J O,y�ji tJ ~
p PERMANENT POOL k w O w G w z w w w o w TOP OF DAM TOP OF DAM
WET DETENTION POND.-PLANTING o o ,y W o ,� Y COMPACTED EARTHEN 249.30
CONTRACTOR TO INSTALL ON THE 6.1 SLOPED SHELF, o 0 0 6:1 SHELF BELOW PERMANENT POOL m o o ao z 249.30 DAM(GRASS LINED)
EQUAL NUMBERS OF EACH OF THE LISTED SUITABLE 11--f I I I t a PLANTED WITH SUITABLE WETLAND " o \ I 3
PLANTS. DURING INSTALLATION, GROUP SIMILAR SPECIES -1 I I- 3 SEE PLAN TOP OF BERM EL.249.30 of SPECIES OR VEGETATION. FOREBAY#2 TO BE CONSTRUCTED AS G ~ W \\\//� \
I I� --1 a o w \•\`/\\\' �1 LENGTH OF WEIR 20'
\f.
OF PLANTS TOGETHER. INSTALL PLANTS 24' O.C. IN A ,� I 1 10' 10.5 3' °s TOP OF TRASH RACK 249.33 SHOWN BY GRADING ON PLAN. 15.75' 06 3' 3' 1D.5' 16' o J�/� 'r
CHECKERBOARD PATTERN. I 3' DEEPEST POINT IN FOREBAY#2 TO BE d \ I;
-- - 3%SLOPED 241.75'ELEVATION,WITH SEDIMENT p SPILLWAY EL 247.70
- - EMBANKMENT STORAGE UP TO ELEVATION 242.5'. \ \ \/\/ \I\ \ \ \ \�\ \
s _ I a r 4 1-_ \�j�1\ f�/\1 /\/\ \ \ J \'i:: NOTES: N
i III I I I; I. TOP OF RISER 247.33 TOP OF EACH FOREBAY 42"HEADWALL S' I-I I�I I 1-I I �/\.� ♦V�\�\/�/�//�f �//`�//�1
4` ORIFICE W 246.75 EL.245.00 42"INV.OUT 245.4E 1. COMPACT EARTHEN DAM TO 98%
-_ I I !I ' l I' III I i I�I � AY MAX DENSITY(ASTM D-698).
PONDPONDSE�+TTON ��F Y,-III _� II 4=1.I 1 ' - _ 2. REMOVE ACCUMULATED
yl` ON I -I I iy=1 I I-III-1 i C I!4=# 1 I i-{I iiiiiiiiiiii' s' PVC DRAWDOWN TEE W/ 4' DIA ORIFICE 0 245.00 54.36'42"RCP @.24°/ NOT TO SCALE SEDIMENT FROM THE POND
NOT TO SCALE -11 1= I 1-1 I I-i I I=I 11-1 I I-i 13-I 11=I --,. 6:1 } Y PERMANENT POOL EL.245.00 6:1 I
L-11 I-=1 11=I I I 711 i-I I L=1 I I'=I I I- EI�1=I 1 1'" 111- I I= I - 6• DRAWDOWN --. !l l 1 I WHEN SEDIMENT REACHES A
-{ I I - DEPTH OF 1.0'.
FOREBAY 91 TO BE CONSTRUCTED * %i (1 I i I I I �II 111 �: r I I I 1 I� r I 3. USE REINFORCED TURF FABRIC O
WITH GABION BASKETS HPTw �N FOREBAY#I Imo!I I-1 I I�I I�1 I i}I I. I=1� _ _ _
1=l i I-i I i=III-I I- I!I-1 I f=1I 11=I I=1 11-1 I I-I 1 1=1 I��I I-III= 11-I s 1=I FOREBAY AND MAIN POND. GABION �1 III}I 1=I �111 i 1,l 111-i i i=i i 1-1 11=I I I ' ON EMERGENCY SPILLWAY. Z O
_ _ WALL I I=I I El I i-I11=11 I-I I l=1I1=1I I1 NOTES:
BE,WEEN _ I-1 - I _i I I=�I I a I I
-I 11-11 I�1 IYI!I-I H ! !1-!11-I! I I Ill I=1 1=11!-I I 1-III=III= 11=1 11 I I FOREBAY 11 EL 2�9.50 ; I- 1.�1 FI I.1 Z O
_!11- I I 1 -I!I 111- I' ' 111 I =1 11=E!I=111=1 I I=I -I I �RTIc�oR,woowN EL 239.50 AND I 1 11�i I 1-11 l=1!1- 1. CONTRACTOR SHALL VERIFY THE LOCATIONS OF ALL EXISTING
za HEADWALL ;I=1 E== !___I I E l- ' - PIPE WITH Si AND EL.239.50 MAIN FOND EL.239.25 -I 1�I I I-;1 I-I 1 L- UTILITIES PRIOR TO BEGINNING CONSTRUCTION. W
IL in
24' INV.OUT 244.65 _ -r' I - - } - _ f_
sarE VALE i IJ-! I�1�i I I�1 f
27.30'-24`RCP @.60% IN 244.79 i=i I I=1 I f�11�I -
=1 C 1 T I I I=i 1 I= i!=1 11=1 11=i I I- i l =` 1=I'I�I I I I=1 I� 2. ALL SITE CONSTRUCTION TO BE IN ACCORDANCE WITH ALL scale
- L - - - = i = _ _ - - HOKE COUNTY,NCDEQ,AND NCDOT STANDARDS AND
I 1 1 I I I9 I�i I-, 1=1! -I EE I FE i -I I -i I!-I!ICI I I-III=I I i_III 11-1 11-i I E�I i_.._I 11_71 I�i 11EI 11-1 11-1 I ICI 1 I� I- �I I - I F ::,. I I- I I-1 I I�11=1 I-i I i�i I I-1 I I-1!1=
I_ 1 _ II=11 I i 1 . _ GRAPHIC SCALE 1:30
' - I_ :a_I - _ T= _ - 1= I- I- - -- --•- 'Imo' SPECIFICATIONS.
I- - - - - - =III-1 I- I I 111-
..� .I--.-�, . . t i 1 ,.I�I 11. .f I-I I,-i I 1-i I -I f I I�I i�I 1-I1=1 I i 11-1 I�I I� ,- - - I H�-I f l-1 I I-III-f I I�C,_!(I�I I I�I I�i i�!i F�1 I I�I I I.-�-f I I�..I I I--i I I I_�- I I._•� 1b�i. �I 11_I!
= I - =I i - 1=1 I 1=III I ice!I I� I I E f - i _ I =1 I I=I'l-,,, -r-;;I-- 1- -r i- _ -, - =I - - ' - _ _ - I V =1 =I�- - Il hl 1�1 =1 ='I I i=1 I! 1 I .,I I-I I- 111- 30 0 20 30 60 120
I I�`1 i I-III I i I-I 1 11,. l I 131- I I 1 I I I I� I I _. I I I�I I i,. I I I l�-I 1-I,I I I I- l 1 l 1 I i I i 111=1 i I- i H I f i�l I I I I I E=1,I I I -I I I-�E 1 I I- I _ I I-I I I Field Book No.
I 1{ I -II�' -
'' FOR RISER ANTI-FLOTATION -I I I-1 f 1I i 1=1 11-1 11-1}1-i I I I 1=1 11-1 11-1 l I-1 1
N/A
1 s 1 I II ATTACH ANCHOR BLOCK AT I -.-.. SEDIMENT MARKER PIPE { IN FEET )
BOi fOM OF RISER. ANCHOR TO SHEET
O-RING GASKET RC BE 6'X6'X2.50' 1N SIZE. FROM WET POND DETAIL ZZ Z3
ON PIPE DISCHARGE ELEVATION 241.79 TO 244,29. (SEE DETAIL THIS SHEET) 1 inch = 30 ft. Note: All construction to be in accordance with all OF
CONCRET ��
ANTI-SEEP COLLAR NCDOT AND NCDEQ Standards and Specifications.
POND"A"DETAIL SHEET