SW3240302_Plansheet - SCM Detail_20240607

650 2 2 X 3 (MINIMUM) ACCESS
LandDesi'gn.
HATCH 223 NORTH GRAHAM STREET
PERIMETER CHARLOTTE, NC 28202
63a BUFFER LINE(TYP) . 704.333.0325
5'X 5' OUTLET STRUCTURE WWW.LANDDESIGN.COM
REINFORCED CONCRETE BOX
WITH PEAKED ROOF TRASH RACK
PROPOSED BMP CREST ELEVATION: 628.00
EASEMENT(TYP)
626
BOTTOM OF FOREBAY ENTRANCE ,/ / / / \ \ _ / / / / // (2 OPENINGS) 25/50/100-YEAR DETENTION ORIFICE
SHALL BE LOWER THAN FOREBAY / \ \ �� / J I / / W= 4.0' H = 0.25' (1.00 SQUARE FEET)
/ / // ' // ✓ / // // 624 EXIT. PROPOSED SPILLWAY / //
i / TOP ELEVATION: 627.25
-RIP RAP APRON �� / INVERT ELEVATION: 627.00
WIDTH: 10'(MIN.) . /
THICKNESS: 18'(MIN.)
CLASS B RIP-RAP
(NCDOT) /
/ ° - \\ \ (o _ / / ! / (2 OPENINGS) 10-YEAR DETENTION ORIFICE
i TW:638.00 o�� / / 616.50 ° I / r W= 4.0' H = 0.25' (1.00 SQUARE FEET)
\/ TW:641.00 - s� o \ /
BW:640.00 ,- - / i / , ° / / s s2 0 � � � \ co � l / / TOP ELEVATION: 625.75 NOTE:
FES-800 RIP-RAP APRON / / / J ° ° 616.50 i / / s2�s \ , INVERT ELEVATION: 625.50 L 1. STEPS SHALL BE INSTALLED INTERIOR
PIPE INVERT:625.75 / ( / ° / / , / s2 / 0 1 1 I / I\ N TO THE OUTLET STRUCTURE FOR
WIDTH:25.5'(MIN.) _ / S - ° i s I ) �� l / ACCESS AND MAINTENANCE.
LENGTH:22'(MIN.)
THICKNESS: 19" / J /
CLASS B RIP-RAP(NCDOT)
FOREBAY BERM �� \� ) ^M
TOP OF BERM:623.00 2� / / 1 \ ` ,
TW:641.00 FES-800 - - / ° 2-YEAR DETENTION ORIFICE
BW:636.00 RIM:629.71 / / s� \ rn� s s
_ n �N / � / � s �, �s Q p�j W= 2.5 H = 0.25 (0.625 SQUARE FEET)
TOP ELEVATION: 624.25
/ 616.50
INVERT ELEVATION: 624.00
"%' / ° ° 616.50 / / J / \ s BMP-8 OUTFALL RIP-RAP APRON KEY MAP
59.47 LF OF 42"RCP @ 0.50 � ` - i - I / / � \ r'6' � PIPE INVERT:614.00
H CONCRETE BASE FOR
WIDTH: 15'(MIN.) 1� ANTI-FLOATATION MINIMUM
616.50 \ �� LENGTH: 13'(MIN.) WATER QUALITY ORIFICE I 242 CUBIC FEET OF CONCRETE
THICKNESS: 13.5"
MH-801 TW:641.00 CLASS B RIP-RAP(NCDOT) 3.00" DIAMETER (11' (L) X 11' (W) X 2.0' (H))
RIM:635.00 BW:641.00 WET POND#8 / / 1 ( / \ INVERT ELEVATION: 622.00
LITTORAL
PROPOSED STORM J c� ° ° , DA: 16.37 ACRES SHELF(TYP.) / \
l2' DRAINAGE // - o - / - TOP OF BERM:630.00 / 1 BMP-8 HEADWALL
EASEMENT(TYP)
/ PERMANENT POOL:622.00 24" INV. OUT:614.00 ❑
SEDIMENT STORAGE ELEV:617.00
BOTTOM ELEV:616.50
85.00 LF OF 24"RCP
x%// oho oho _ \ / / J / �✓ / / 1 ANTI-SEEP (WATERTIGHT)@ 3.53%
COLLARS
SEAL
TW:641.00
p� BW:634.00
GQ �o %� \ \ r'�, o - r - - J INSIDE OF BERM
Nti / SEE GRADING PLAN(C501) o� / 616.50 - - - / �/
� / / / ELEVATION:630.10 1 �IV '
O / FOR BMP MAINTENANCE o 6r, 6 a / / r / - i i / p,SS CORPORATE
ACCESS
SEAL
616.50
/ PROPOSED BMP ACCESS \ TW:637.00 j / \ \ // // / / l i BMP-8 RISER
EASEMENT TYP
( ) \ BW:630.00 J
� i /� _ / / / / RIM:628.00 � v�
3.0"DIA.WQ ORIFICE INV.:622.00
3.0'X 0.25'2-YR ORIFICE INV.:624.00
(2)4.O'X0.25'10-YR ORIFICE INV.:625.25
2 4.0'X 0.25'25-YR ORIFICE INV.:627.00 I A Cq
/ ` / 24" INV. OUT:617.00 �.` .,
\/ I FEs i
05�
P/v // /// I I I I / � - � / � / / / PE°�I� I I 1 I / Z SEAL
I / � OUTLET STRUCTURE SCHEMATIC '
N.T.S. T
TW:637.00
I ` X BW:637.00 I - / / STRUCTUR %, G
06/05/24
/ PROPOSED BMP
/ EASEMENT(TYP) PROJECT
_� PERMANENT POOL 11
THE PRESERVE
ORIFICE SHALL BE INSTALLED
WITH A RUBBER BOOT OR AT FOREST
CONNECTION ATERTIGHT CREEK - PHASE 2
WATER QUALITY ORIFICE - - - -
2' H WAXHAW VENTURES LLC
PROPOSED PIPE
PVC WATER QUALITY ORIFICE DETAIL (DIAMETER VARIES) 5615 POTTER RD
MATTHEWS NC 28104
CLASS B CONCRETE
CONTRACTOR SHALL PROTECT PIPE 2'
WITHIN THE BASIN FROM FLOTATION
4'X 4' OUTLET RISER WITH
u?� REMOVABLE TRASH RACK 10' TRENCH
S' TOP OF BERM:630.00 2 WIDTH 2
BOA 100 YR ELEV: 628.89 LANDDESIGN PROJ.#
50 YR ELEV: 628.22
SPILLWAY:629.00 1021143
-
SECTION
_._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._.�._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._ S7._. 25 YR ELEV: 627.59 -•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•- ---- ----•-•-•-•-•-•-•-•-•-•-•-•-•-•-•--•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•--
3
._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._. _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._.TOP OF RISER:628.00_. ._._._._._._._._._._._._._._. ._._._._._._._._._._._._._._._._ I I III III III III III I I I
„ REVISION / ISSUANCE
10 YR ELEV: 626.70 25/50/100-YEAR DETENTION ORIFICE -�
_._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._.�_._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._.
NO. DESCRIPTION DATE
�IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII
CLASS B CONCRETE 1 1ST- CD SUBMITTAL 10/14/22
Q
2 YR ELEV: 625.24 10-YEAR DETENTION ORIFICE -� O
�, -
._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._.�._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._. ______________ ___ III III I I III
INLET PIPE � = EARTHEN BERM =III = 2 2ND- CD SUBMITTAL 02/10/23
SEE INVERT,AND PIPE CATION, _ 3 3RD- CD SUBMITTAL 04/28/23
SIZE WQ ELEV: 623.68 2-YEAR DETENTION ORIFICE �� III III = COMPACTED TO 95/o = III III 18
._._._._._._. _ _._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._. ._._._._._.=._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._. STANDARD PROCTOR }�--
-• • RIP RAP APRON (TYPICAL)
TOP OF BERMS 623.00 - - -
-• ....... -•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-•-• PERMANENT POOL ELEV: 622.00 -•-•-•-•-•-•-•-•-•-•-•-•-•-•-• -•-•-•-•-•-• 4 4TH - CD SUBMITTAL 06/09/23
._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._. ._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._�._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._._. _
11�11� - - - -- - -PE�IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII�
5 5TH - CD SUBMITTAL 09/29/23
Q - -
5�
O II III III �? III III III III III III III III III III III III III III III III III III III III III III III III III I 3.00 WQ ORIFICE 6 6TH - CD SUBMITTAL 11/03/23
I I I I I I I I I I I �� I �� H ll I I I I I III-
FOREBAY BERM I I I
A
TYPICAL 7 7TH - CD SUBMITTAL 12/05/23
SEDIMENT STORAGE ELV:617.00 (TYPICAL)
SEDIMENT STORAGE ELV:617.00
TRENCH
- - - - - -.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-. fl WIDTH BOTTOM OF FOREBAY:616�17
- - - $ 1ST-RTAP SUBMITTAL 01/09/24
BOTTOM OF BASIN:616.50
ANTI-SEEP COLLAR (TYP)
-III III=616.50
PLAN
I III I I I I I I I I 9 2ND RTAP SUBMITTAL
03/15/24
616.17 L
10 8TH - CD SUBMITTAL 05/06/24
ANTI-SEEP COLLAR
-
- ourL
ET PIPE WITH
WATER TIGHT N.T.S. DRAWN BY: CAP
JOINTS
CHECKED BY: FJM
„ II LEGEND:
NOTES: BOTTOM OF FOREBAY ENTRANCE scALE NORTH
1. RIM ELEVATIONS GIVEN ON THESE PLANS ARE APPROXIMATE AND ARE FOR INFORMATIONAL SHALL BE LOWER THAN FOREBAY
PURPOSES ONLY.ACTUAL RIM ELEVATIONS SHALL BE DETERMINED BY CONTRACTOR AND EXIT. EXIST. BOUNDARY LINE
ADJUSTED TO MATCH FIELD CONDITIONS. EXIST. MAJOR CONTOUR 555
2. APPROVAL OF THIS PLAN IS NOT AN AUTHORIZATION TO GRADE ADJACENT PROPERTIES
EXIST. MINOR CONTOUR 552
VERT: N/A POND SECTION _ I HORZ: 1"=2 0'
3. THE PURPOSE OF THE STORM DRAINAGE EASEMENT IS TO PROVIDE STORM WATER I 11 i i
CONVEYANCE AND ANY STRUCTURES AND/OR OBSTRUCTION TO STORM WATER FLOW IS PROP. MAJOR CONTOUR 77
630
FILL RISER WITH CONCRETE TO -
PRL DESIGN
ED. N.T.S. INVERT OF OUTLET PIPE(t62 VF) " „III PROP. MINOR CONTOUR 628 0 10' 20' 40'
4. ALL DESIGN AND CONSTRUCTION METHODS SHALL BE DONE IN ACCORDANCE WITH TOWN OF
WAXHAW, NCDOT AND NCDEQ STANDARDS AND SPECIFICATIONS. BASE MUST CONTAIN AT MINIMUM 432 CUBIC FEET OFCONCRETE FOR ANTI-FLOTATION PROP. MINOR (ODD) CONTOUR - - - - 627 - - - - SHEET TITLE
5. STORM DRAINAGE PIPE BETWEEN RISER STRUCTURE AND HEADWALL SHALL BE INSTALLED CO C X E FOR
X ANTI-FLOTATION
(H)) EXIST. R/W -- --WITH WATER TIGHT JOINTS AND ANTI-SEEP COLLARS. TOP OF BASE)616.50
6. ALL HEADWALLS/ENDWALLS TO BE DESIGNED BY OTHERS.CONTRACTOR SHALL SUBMIT BOTTOM OF BASE.613.50 EXIST. PROPERTY LINE -- -- -- WETPOND-8 PLAN
SHOP DRAWINGS FOR APPROVAL PRIOR TO CONSTRUCTION. BMP EASEMENT
7. ANY EXPOSED RISER OUTLET PIPE IN POND SHALL BE PROTECTED FROM FLOTATION.
PERIMETER BUFFER
SHEET NUMBER
C406
6/5/2024 10:45 AM DAVID GUSTY P:\CLT\ 2021\1021143\CAD\DOCUMENTATION\CD\PHASE 2\21143 PLN POND.DWG ORIGINAL SHEET SIZE:24"X 36"