SW3230605_Plansheet - SCM Detail_20231011

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w µ " POND CONSTRUCTION SEQUENCE CL
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1. POND WILL BE USED AS A EROSION CONTROL SEDIMENT BASIN DURING THE CONSTRUCTION PHASE OF U 0
m . • j ° #� Eca
" THE PROJECT. PRIOR TO ACCEPTANCE OF THE WET POND FOR OPERATION THE FOLLOWING ITEMS N Co L_
N1-DI MUST BE COMPLETED: C)QaoU
AT" CP 635 , \e A. THE POND MUST BE CLEANED OF ALL SEDIMENTS ACCUMULATED DURING
20 C CONSTRUCTION.
�MERGEN
W 3 B. THE CONTROL STUCTURE SHALL BE INSTALLED PER THE DESIGN. "�
vd ° SPILLWAY C. ALL VEGATATIVE PLANTINGS SHALL BE ESTABLISHED. �O�`'�N CAR
•63 D THE POND WATER LEVEL SHALL BE AT THE PERMANENT POOL ELEVATION
t • �• ,,...v.. ,m.... � o0000 0000 -i
EL�(/ O
w a °
2. CONTRACTOR SHALL PROVIDE AS-BUILT INFORMATION TO THE ENGINEER FOR FORMAL CERTIFICATION =o 00
w w � .� �" � o ENGINEERING o -
m OL STRUCTURE OF THE COMPLETION OF THE BMP TO THE DESIGN PARAMETERS.
n
0.0 18" P ATES
635 SEE DETAIL THIS SH �'o OUOTHIEAST poo
- /{ 1 i4'I f =--�9��'Cp38810000�O�ti�-�
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B _ - - 1o'TOPOFBERM :u:u. iiaRs� MAINTENANCE SCHEDULE '%1O111111
ELEV.6' .u.u.u:u . . LL.. .� ..LL LLLLLL LL . � � �
1 1. POND WILL BE USED AS A EROSION CONTROL SEDIMENT BASIN DURING THE
I 637___6 Jill
3 p� .� � CONSTRUCTION PHASE OF THE PROJECT. PRIOR TO ACCEPTANCE OF THE WET
.� 635 . . . .. . . . . . . . . � .
634 T ex6v = : �_ u`?' :u. . . u u u. E POND FOR OPERATION THE FOLLOWING ITEMS MUST BE COMPLETED:Up
07
a ° - `.J� MP PLANTING NOTES A. THE POND MUST BE CLEANED OF ALL SEDIMENTS ACCUMULATED ��
aLL.. . . : :.. . . . . ::Y `. DURING CONSTRUCTION. 'f
N { :" "r-: • • : : : : 1. IF BARE ROOT SPECIMENS ARE NOT TO BE USED WITHIN 4 DAYS, B. THE CONTROL STRUCTURE SHALL BE INSTALLED PER THE DESIGN. ►
3..1 a - a u. . .u. .u. . .u.u. . . - . . . : . . . . : . ::u: THEY SHOULD BE PLANTED IN SUITABLE BEDS WITH THE C. ALL VEGETATIVE PLANTINGS SHALL BE ESTABLISHED. t A( r--.
O N 1 :•: : : .50'.'•' ' ' ' ` 629 ASSUMPTION THAT IT WILL BE A WHILE BEFORE THEY CAN BE D. THE POND WATER LEVEL SHALL BEAT THE PERMANENT POOL 523410
645 S . . .:.:. . . .0 �' 628� =
© LL: LL: : : `` USED. AND THEY SHOULD BE PROVIDED WITH CONDITIONS ELEVATION.
627
a3 :u` u t MAKING IT POSSIBLE FOR THEM TO SURVIVE AND GROW AS
u u•u , u• # / OPTIMALLY AS POSSIBLE. 2. AFTER EVERY SIGNIFICANT RUNOFF PRODUCING RAINFALL EVENT AND AT
6"DIP POND DRAIN �u� �� � � � � 2. CONTAINER PLANTS WILL NEED TO BE WATERED REGULARLY LEAST MONTHLY:
l
(SEVERAL TIMES DAILY WHEN WEATHER IS HOT). A. INSPECT THE WET DETENTION BASIN SYSTEM FOR SEDIMENT
31: l I ^ # ACCUMULATION,EROSION,TRASH ACCUMULATION,VEGETATED
3. PIN ALL SUBMERGED/FLOATING PLANT MATERIAL SECURELY TO COVER,AND GENERAL CONDITION.
�yl 0 THE BOTTOM OF THE POND WITH 12"BENT WIRE PINS. B. CHECK AND CLEAR THE ORIFICE OF ANY OBSTRUCTIONS SUCH
TRASH RACK I j: (0 s THAT THE DRAWDOWN OF THE TEMPORARY POOL OCCURS
SEE DETAIL THIS SHEETS ...m IN ,LL/. LL co" 4. CUTBACK TALL AND EASILY BROKEN LEAVES AND STEMS AT THE WITHIN 2 TO 5 DAYS AS DESIGNED.
:;1 TIME OF TRANSPLANTING.
VALVE STEM EXTENSION S : MAI I p u.` 2. REPAIR ERODED AREAS IMMEDIATELY.RE-SEED THE EMBANKMENT AS
" NECESSARY TO MAINTAIN GOOD VEGETATIVE COVER.MOW VEGETATIVE
12 BELOW GRATE BOTTOM POND ELEV=626�50 `• ,. 5. NEWLY RECEIVED NURSERY STOCK AND DISTURBED TRANSPLANTS
SEDIMENT STORAGE TOP ELEV=67.00 00''ti . SHOULD NOT BE EXPOSED TO DIRECT SUN ANY MORE THAN COVER ON EMBANKMENT TO MAINTAIN MAXIMUM HEIGHT OF SIX INCHES,
u. NECESSARY UNTIL THEY ARE PLACED IN THEIR PERMANENT REMOVE TRASH AS NEEDED.
} �o POSITIONS.
M �,� 3. INSPECT AND REPAIR THE COLLECTION SYSTEM(i.e.CATCH BASINS,PIPING,
N,, a 6. INSERT DRY FERTILIZER TABLETS OR SPIKES NEAR THE PLANTS AT SWALES,RIPRAP,ETC.)QUARTERLY TO MAINTAIN PROPER FUNCTIONING.
ao RIPRAP THE TIME OF TRANSPLANTING.
I r : 4. REMOVE WOODY VEGETATION NOT PART OF THE APPROVED PLAN ALONG THE
BERM 7. FENCE ENTIRE PLANTING AREA WITH 36"TALL PLASTIC FENCE DAM EMBANKMENT.
LITTORAL SHELF LL ` `LL WITH 1.5"12"OPENINGS. PLASTIC SHALL BE UV STABLE. COLOR
2'RECTANGULAR WEIR u: SHALL BE BLACK. INSTALL WITH STEEL POST SPACED AT 111 5. REMOVE INVASIVE AND DEAD VEGETATION IN THE LITORAL SHELF AND
ELEV:634.00 6:1 SLOPE ? en
%0 : ` . MAX.PIN THE BOTTOM LAYER OF THE FABRIC TO THE GROUND REPLANT AS NECESSARY.
n J WITH 10-12 PINS. FENCING TO REMAIN IN PLACE FOR A PERIOD
VALVE STEM EXTENSION OF THE ONE YEAR POST INSTALLATION OF PLANT MATERIAL. 6. REMOVE ACCUMULATED SEDIMENT FROM THE WET DETENTION BASIN
° up
SYSTEM SEMI-ANNUALLY OR WHEN THE DEPTH IS REDUCED TO 75%OF THE
>_WITH SUPPORTS MOUNTED °° co u.` 8. STAKE 9"AND 18"PLANTING ZONES PRIOR TO INSTALLATION AND ORIGINAL DESIGN DEPTH. REMOVED SEDIMENT SHALL BE DISPOSED OF IN AN
TO STRUCTURE WALL VERIFY AREAS ON PLAN. APPROPRIATE MANNER AND SHALL BE HANDLED IN A MANNER THAT WILL NOT
INV=632.50 ° ADVERSELY IMPACT WATER QUALITY(I.E.STOCKPILING NEAR A WET
9. PLANTS ARE TO BE INSTALLED IN A RANDOM ARRANGEMENT DETENTION BASIN OR STREAM,ETC.).
2.5" WATER QUALITY WITHIN THEIR RESPECTIVE ZONES. INDIVIDUAL SPECIES MAY BE
ORIFICE BLEEDER ° . :': PLANTED TOGETHER IN GROUPS OF 3 TO 5. PLANTS MAY ALSO BE 7. PERFORM ANNUAL INSPECTION OF THE POND(ANNUAL INSPECTION REPORTS
s PLANTED INDIVIDUALLY. TO BE KEPT BY THE OWNER). PRIOR TO INSPECTION NOTIFICATION MUST BE
2:1 SLOPE .u. GIVEN TO STORM WATER SERVICES. z0
I -:u . . BOTTOM POND ELEV=626,$0-.• - 10. PLANT QUALITIES ARE TO BE VERIFIED BY CONTRACTOR PRIOR TO N
OP 6�� INSTALLATION. 8. A DAM SAFETY EXPERT SHALL BE CONTRACTED TO MAKE INSPECTIONS OF THE >
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DAM. cc
36 RCP 5=J d 11.1 V-627.00 11. NO TREES OR WOODY SHRUBS SHALL BE PLANTED ON WET POND
INV:630.09 6O EMBANKMENTS. 9. MAINTENANCE SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR FOR ONE
:�
:- -` 2.00' (1)CALENDAR YEAR FOLLOWING THE CERTIFICATION OF COMPLETION,AND
6�9 12. SEE NCDEQ WETPOND DETAIL FOR PLANTING INFORMATION. THEREAFTER SHALL BE THE RESPONSIBILITY OF THE SUBDIVISION H
° ` ` LL TOP OF FOREBAY BERM HOMEOWNER'S ASSOCIATION.oe p
1196��
ELEV=633.00
6 GATE VALVE P ' ' 627 ELEV=634.00- SPILLWAY EOL =632 CREST OF ' P EV50 C;< < LL . .0 PROVIDE SEDIMENT RIPRAP
°
` ELEV 632.50 _®
1`-6"DIP z
° "RCP mm STAKE IN FOREBAY °
.. ..... . ..
� � � � _ - - - - 2 STIPULATION FOR REUSE
I I I_I I I_I I I_I I I_
-III=III=III-III=III®
CLASS 1 RIPRAP APRON 1 13.5"THICK THIS DRAWING WAS PREPARED FOR USE
FOREBAY I I®I I®I I®III®III®III TOP OF BERM
MAIN POND CLA55 B RIPRAP ON THE SPECIFIC SITE, NAMED HEREON,
°ANTI=FLOTA BLOCK o ° 4 -J La=20' z III-III-III-III=1 I I=1 I I=1 I I ELEV=63s.00
MIN.DIMENSIONS: ° ' w, _ .LL W=23' 1
1=1 1=1 1=1 1=1 1=1 1=1�I_ CONTEMPORANEOUSLY WITH ITS ISSUE
° p , 7riul�
®I I®I I®I I®I I® 1 J1 DATE AS LISTED, HEREON. AND IT IS NOT
7W X 7 L I H : 3D0=9 1 I=1 I=1 I=1 I=1 I=1 I=1 I=1 I=� 3 EMERGENCY SPILLWAY 3 SUITABLE FOR USE ON A DIFFERENT
" 111=7.2" 11 =111=
PROJECT SITE OR AT A LATER TIME.USE OF
6"DIP DRAIN TO CREST ELEV THIS DRAWING FOR REFERENCE OR EXAMPLE
SIDE VIEW 20' ON ANOTHER PROJECT REQUIRES THE
POND BOTTOM S .�:�`
RIPRAP BERM DETAIL.u. :u: � EMERGENCY SPILLWAY DETAIL ARCHITfECTS AND ENGINEERS.LREPRODUCTION
OUTLET STRUCTURE .µ _ Mp :: : : NOT TO SCALE
NOT TO SCALE. OF THIS DRAWING FOR REUSE ON
NOT TO SCALE � � �� �.
ANOTHER PROJECT IS NOT AUTHORIZED
AND MAY BE CONTRARY TO THE LAW.
TRASH RACK OUTLETSTRUCTURE
SEE DETAIL THIS SHEET 2.5" V PLANT � BMP-wETPOND Q
�
VEGETATED SHELF 2,485 SQ.FT.
TOP OF STRUCTURE ELEV. 635.50 PERMANENT POOL K7 VEGETATED SHELF PLANTS(50/200 SQ.FT.) 622 HERBACEOUS PLANTS W
" v.�.. ,�
a COMMON NAME BOTANICAL NAME SIZE SPACING CITY. zO/ �
O
SWAMP MILKWEED Asclepias incarnata PLUGS 24"O.C. 207 Z
STEPS PER NCDOT STD.840.66
° ," "• w QUILL SEDGE Carex tenera PLUGS 24"O.C. 207 Q �
I WHITE TUIHEAD Chelone glabra PLUGS 24"O.C. 208
2.5"WATER QUALITY ORIFICE � V
PERMANENT POOL LEVEL TO BE ° 2' S *EQUIVALENT PLANTS MAY BE USED AS IDENTIFIED IN NCDEQ STORMWATER DESIGN MANUAL C-3 WET z
PERMANENTLY MARKED ON FRONT ° POND,TABLE 3:PLANTS FOR SUBMERGED AND PARTIALLY SUBMERGED VEGETATED SHELVES
OF CONTROL STRUCTURE WITH 2.5"WATER QUALITY ORIFICE SAS WATER QUALITY ORIFICE DETAIL
STAFF GAUGE OR SIMILAR DEVICE BLEEDER NOT TO SCALE T Q'
INV.632.50
PERMANENT POOL 6`rD " SLOPES TO BE SEEDED WITH BERMUDA LITTORAL SHELF W/ J
ELEV. 632.50 SOD PER EROSION CONTROL PLANS WETLAND PLANTINGS
OUTLET STRUCTURE WITH 6'MIN.WIDTHtw Q
" MAINTENANCE ACCESS 100 YEAR EVENT RIPRAP BERM AND WEIR TRASH RACK 1'MIN. MAINTENANCE ACCESS O a
GROUND AT FRONT OF STRUCTURE �" � CLASS B RIPRAP FREEBOARD "O'MIN
O
ELEV. 632.00 10'MIN. STORMWATER STORAGE 15"MIN.DEPTH WATER QUALITY ORIFICE
2 RECTANGULAR WEIR / s`"" 7 ELEV.636.78
o ELEV.638.00- TOP ELEV.634.00 LOCATED THIS SIDE SEE DETAIL
ELEV.634.00 36"RCP -ELEV.638EM N
�,.. -..-..-...�.. ..-..-..-..-..-... ..-... ..-...-... ...-... ----- EMERGENCY WEIR
3 PRECAST CONCRETE STRUCTURE ( INV:630.09 �oq, ...-...-...-=...-...-...-...-...-...-...-... _ 50 YR-HW EL 636.49 ...-... ----
riyp 25 YR-III EL 636.21 ELEV.636.50 00
-TEIVIPORARMOI PERMANENT_P bL
INSIDE DIMENSIONS SIX 5 ° -- - ---- 10 YR-HW EL 635.77---- v
/ .... ...... HEADWALL OR FES "ECEGC633 ELE�63�3tr - - - - - 04` `¢o
(NCDOT STD 840.45) / \ INV=632.50 -...-... -. -...-... -....-.. -...-...-...-...
6"WALL THICKNESS 1.5 1 MIN. 2 YR-HW EL 634.57 � q
JOB NUMBER: C220016
-... -...-...-. -.. -...-...-...-...
\ / = ...-... ...�"` "` ...-...-...-...-"` CHECKED BY: BHE
_ I 1, �j
N ` \ STORM INLET `° s�a� 6' GRAPHIC SCALE DRAWN BY: BHE
0 6"DIP DRAIN / ENERGY DISSIPATER 6 LI6 0 SLOPEELF - > INV=630.09 92 ll RCP @ 0. ZO 0 10 20 40 DATE: 08-07-2023
2:1 SLOPE _I
v ° t SHEET TITLE:
MIN.IFT CLEARANCE
n TO STRUCTURE WALL STABILIZED TO POND
tO
STRUCTURE BOTTOM BOTTOM MAIN POND IN FEET
cc I ELEV: 627.00 / i SEDIMENT FOREBAY SEDIMENT STORAGE TOP ELEV=627.00 ANTI-SEEP COLLARS ( ) 6 M P PLAN -
°ANTI=FLO AT BLOCK "' SEDIMENT STORAGE TOP ELEV=627.00 BOTTOM ELEV.626.50 • MATERIAL:CLASS B CONCRETE 1 inch =20 ft.
a o BOTTOM ELEV=626.50 ANTI-FLOATATION PAD • HEIGHT:COLLAR MUST EXTENDED 18" WET POND 1
° °a MIN.DIMENSIONS: ABOVE THE TOP OF PIPE AND 12"BELOW
0 E- , ° 7PWXTL I'H ° ° POND CROSS SECTION THEBOTOLLARMUSTEX ENDED I
t • WIDTH:COLLAR MUST EXTENDED 6 �
I? FRONT VIEW NOT TO SCALE THICKNESS:12"
E BEYOND TRENCH SIDEWALLS
o ***3 Days Before Digging*** SHEET NO.:
N OUTLET STRUCTURE North Carolina811
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Entry
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N NOT TO SCALE Remote Ticket En
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PLANT SCHEDULE BMP WET POND t a 00
MAIN,T N NC
N
LESS w VEGETATED SHELF 3,485 SQ.FT. U) LO
LITTORAL SHELFW/ a •� Cu M
SLOPES TO BE SEEDED WITH BERMUDA VEGETATED SHELF PLANTS(50/200 SQ.FT.) � 872 HERBACEOUS PLANTS r
3 I SOD PER EROSION CONTROL PLANS WETLAND PLANTINGS CD
p� 595 OUTLET STRUCTURE WITH 6'MIN.WIDTH COMMON NAME BOTANICAL NAME SIZE SPACING QTY. A, U) CD
m " I MAINTENANCE ACCESS 100 YEAR EVENT RIPRAP BERM AND WEIR TRASH RACK 1 MIN. MAINTENANCE ACCESS SWAMP MILKWEED Asclepias incarnata PLUGS 24 O.C. 290 W ,
STORMWATER STORAGE CLASS B RIPRAP FREEBOARD 0'MIN n 1
Za l WATER QUALITY ORIFICE QUILLSEDGE Carextenera PLUGS 24"O.C. 291 W
Q y / \ ELEV.598.48 15 MIN.DEPTH LOCATED THIS SIDE SEE DETAIL "�
a ° \ ELEV.600.00- TOP ELEV.596.00 -ELEV.600.00 WHITE TURTLEHEAD Chelone glabra PLUGS 24"O.C. 291
�...
_ -...-...-...-...-... -... -...-.. -... ----- EMERGENCY WEIR O
50 YR-HW EL 598.22 ... ..-... *EQUIVALENT PLANTS MAY BE USED AS IDENTIFIED IN NCDEQSTORMWATER DESIGN MANUAL C-3 WET uj
F -..-..-..-...-...-...-...-...-...-... -... ELEV.598.50 y
y £k ,• Q I /rye 25 YR-HW EL 597.99 -... -... POND,TABLE 3:PLANTS FOR SUBMERGED AND PARTIALLY SUBMERGED VEGETATED SHELVES
"•"• TEIGIPORAlt4Y00)-"' PERMANENT POOL ��-���-��� �/ a �
595 "' ECE�5943�"- -
10 YR-HW EL 597.53.-..
� � HEADWALL ORFES ...-. �� ...-.. .. ...-...
�� INV=594.50�� ...-...-... -...-. -... ...-.. 1'MIN. 2 YR-HW EL 596.45 ... �1 ` N co
B32- Nk I t =III - ^ ...-...-...-...-... I"I"I °? N
III �7 lj 6.1 V
I I �o `D �o LLI O Z
STORM INLET ENERGY DISSIPATER 6'LITTORAL SHELF - 6 a
l INV=592.20 41 LF-36"RCP @ 0. v U
. . . . . . . . . . O
: y ' ` ` / STABILIZED TO POND "' _III
B 1- Bah `� �. �` � '� � � III„ �� ��� ��� ��� ��� ��� ���
H - 2:1 SLOPE oo
O
I BOTTOM MAIN POND Q a0 U
/ $
u SEDIMENT FOREBAY SEDIMENT STORAGE TOP ELEV=589.00 ANTI-SEEP COLLARS
u: SEDIMENT STORAGE TOP ELEV=589.00 BOTTOM ELEV.588.50 • MATERIAL:CLASS B CONCRETE
BOTTOM ELEV=588.50 ANTI-FLOATATION PAD • HEIGHT:COLLAR MUST EXTENDED18" ````�Nur11r1i,,��,�
ABOVE THE TOP OF PIPE AND 12"BELOW °ooCoA
THE BOTTOM OF THE PIPE TRENCH ��� \o°°o o-0ee
H -HW 6 POND CROSS SECTION WIDTH:COLLAR MUST EXTENDED6" =oo°oAMERICANo°o y
' ' ' +► C BEYOND TRENCH SIDEWALLS o ENGINEERING o
' 6 C SS 1 RIPRAP APR NOT TO SCALE o o z,
s S 0 T Q ENT 0 T S U T : -20' gPQ� j • THICKNESS:12 = m� o So
ASSOCIATES
: - ......... - UTH EA o
VI =23' \ o SO EAST o
LL. 1 WI=2 ' i ° c-3s 00 0°°tip:
TRASH RACK TRASH RACK '.�9T°°°o°o°o°°°�,p����•
dS0=7. \ ,� �•- wm �- �� .......... .......... ..w� � i �c
1 SEE DETAIL THIS SHEET SEE DETAIL THIS SHEET 1i,
�D ANTI-ST Er COLLARS \ VALVE STEM EXTENSION
LL; 12"BELOW GRATE
n y TOP OF STRUCTURE
��ltitt#�
a , IP 0 AI ELEV. 597.50 ! /
LL LL . \ •. STEPS PER NCDOT STD.840.66 "
AL
{ € 340
1
1 PERMANENT POOL LEVEL TO BE 21 ,
2 RECTANGULAR WEIR f �, ttJ •`"
3 I PERMANENTLY MARKED ON FRONT
:u ::u OF CONTROL STRUCTURE WITH
LL LL o \ 2"WATER QUALITY ORIFICE BLEEDER ELEV:596.00 6:15LOPE ��
f.... 592,
D STAFF GAUGE OR SIMILAR DEVICE INV.594.50 VALVE STEM EXTENSION
o100+ MA Ft 0 LINE
WITH SUPPORTS MOUNTED
TO STRUCTURE WALL
� PERMANENT POOL
I \ I \ ELEV. 594.50 INV=594.50
( - 2" WATER QUALITY
u: :- a GROUND AT FRONT OF STRUCTURE
3 / ? a ORIFICE BLEEDER a o
: . : a, \ •f T RECTANGULAR WEIR-- I 1 ELEV. 594.00
ELEV.596.00 °
PRECAST CONCRETE STRUCTURE a \ 36 RCP
INV:592.20 2:1 SLOPE ° 36"RCP
INSIDE DIMENSIONS 5'X 5' \ INV:592.20
(NCDOT STD 840.45)
f I 6"WALL THICKNESS °
3 •
LITTORAL SHELF 2 'EMERGENCY SPILLWAY \ � �``";� `�"°•k �
o
$ EL 95 8;60 4"DIP DRAIN
MIN.IFT CLEARANCE 411
GATE VALVE
3 I k ) ��
M/t 00ND
\ TO STRUCTURE WALL 1 -4 DIP
1-' " a a STRUCTURE BOTTOM a a
BOTTOM ONE)ELEV=581.50 \ m' ELEV: 589.00
: E IME STORAGE TOP ELEV=589.60 " ° ° °
I I °ANTI=FLOTw4T BLOCK a a ° °ANTI=FLOTATp BLOCK a °
Q a MIN.DIMENSIONS: MIN.DIMENSIONS: °
I \ w M ° 7PWX7'LX3'H ° 7PWX7'tXVH
C>
Ln
f " DIP DRAIN TO
FRONT VIEW 4PONDBOTTOM
SIDE VIEW
OUTLET STRUCTURE OUTLET STRUCTURE Lu
RIPRAP ERM
� � � NOT TO SCALE NOT TO SCALE
1 0*1 F
FL OD �E�
/ o
z
B M ELEV 8.50
ENT GE � � � STIPULATION FOR REUSE
' ' MAINTENANCE SCHEDULE THIS DRAWING WAS PREPARED FOR USE
. . l 58 ON THE SPECIFIC SITE, NAMED HEREON,
u 1. POND WILL BE USED AS A EROSION CONTROL SEDIMENT BASIN DURING THE CONSTRUCTION PHASE OF THE PROJECT. PRIOR TO POND CONSTRUCTION SEQUENCE CONTEMPORANEOUSLY WITH ITS ISSUE
ACCEPTANCE OF THE WET POND FOR OPERATION THE FOLLOWING ITEMS MUST BE COMPLETED: DATE AS LISTED, HEREON. AND IT IS NOT
1. POND WILL BE USED AS A EROSION CONTROL SEDIMENT BASIN DURING THE CONSTRUCTION PHASE OF THE SUITABLE FOR USE ON A DIFFERENT
A. THE POND MUST BE CLEANED OF ALL SEDIMENTS ACCUMULATED DURING CONSTRUCTION. PROJECT. PRIOR TO ACCEPTANCE OF THE WET POND FOR OPERATION THE FOLLOWING ITEMS MUST BE PROJECT SITE OR AT A LATER TIME.USE OF
u` • • B. THE CONTROL STRUCTURE SHALL BE INSTALLED PER THE DESIGN. COMPLETED: THIS DRAWING FOR REFERENCE OR EXAMPLE
I : C. ALL VEGETATIVE PLANTINGS SHALL BE ESTABLISHED. ON ANOTHER PROJECT REQUIRES THE
D. THE POND WATER LEVEL SHALL BEAT THE PERMANENT POOL ELEVATION. A. THE POND MUST BE CLEANED OF ALL SEDIMENTS ACCUMULATED DURING CONSTRUCTION. SERVICES OF PROPERLY LICENSED
EO u: :LL: : : . . . ARCHITECTS AND ENGINEERS. REPRODUCTION
° _ : B. THE CONTROL STUCTURE SHALL BE INSTALLED PER THE DESIGN. OF THIS DRAWING FOR REUSE ON
2. AFTER EVERY SIGNIFICANT RUNOFF PRODUCING RAINFALL EVENT AND AT LEAST MONTHLY: C. ALL VEGATATIVE PLANTINGS SHALL BE ESTABLISHED.
• ANOTHER PROJECT IS NOT AUTHORIZED
A. INSPECT THE WET DETENTION BASIN SYSTEM FOR SEDIMENT ACCUMULATION,EROSION,TRASH ACCUMULATION,VEGETATED D. THE POND WATER LEVEL SHALL BEAT THE PERMANENT POOL ELEVATION. AND MAY BE CONTRARY TO THE LAW.
COVER,AND GENERAL CONDITION. 2. CONTRACTOR SHALL PROVIDE AS-BUILT INFORMATION TO THE ENGINEER FOR FORMAL CERTIFICATION OF
B. CHECK AND CLEAR THE ORIFICE OF ANY OBSTRUCTIONS SUCH THAT THE DRAWDOWN OF THE TEMPORARY POOL OCCURS
•••u " THE COMPLETION OF THE BMP TO THE DESIGN PARAMETERS.
��, • �," °�•� �� WITHIN 2 TO 5 DAYS AS DESIGNED.
4 2. REPAIR ERODED AREAS IMMEDIATELY.RE SEED THE EMBANKMENT AS NECESSARY TO MAINTAIN GOOD VEGETATIVE COVER.MOW g M P PLANTING NOTES o
B � � VEGETATIVE COVER ON EMBANKMENT TO MAINTAIN MAXIMUM HEIGHT OF SIX INCHES,REMOVE TRASH AS NEEDED.
B41-FES 3 ��.
M 3. INSPECT AND REPAIR THE COLLECTION SYSTEM(i.e.CATCH BASINS,PIPING,SWALES,RIPRAP,ETC.)QUARTERLY TO MAINTAIN PROPER 1. IF BARE ROOT SPECIMENS ARE NOT TO BE USED WITHIN 4 DAYS,THEY SHOULD BE PLANTED IN SUITABLE w
a FUNCTIONING. BEDS WITH THE ASSUMPTION THAT IT WILL BE A WHILE BEFORE THEY CAN BE USED. AND THEY SHOULD BE 0 M
6IQ k PROVIDED WITH CONDITIONS MAKING IT POSSIBLE FOR THEM TO SURVIVE AND GROW AS OPTIMALLY AS
"'" ...• 4. REMOVE WOODY VEGETATION NOT PART OF THE APPROVED PLAN ALONG THE DAM EMBANKMENT. POSSIBLE. O Z 00
�- LASS 1 RAP APRON � ,s� � O
5. REMOVE INVASIVE AND DEAD VEGETATION IN THE LITORAL SHELF AND REPLANT AS NECESSARY. 2. CONTAINER PLANTS WILL NEED TO BE WATERED REGULARLY(SEVERAL TIMES DAILY WHEN WEATHER IS a N
,, � n•� a ,., ��., ,m,_. � "' � �, La=10' "� � �S HOT). � V
=2 W -
6. REMOVE ACCUMULATED SEDIMENT FROM THE WET DETENTION BASIN SYSTEM SEMI-ANNUALLY OR WHEN THE DEPTH IS REDUCED TO 75%
D 3DO=9� OF THE ORIGINAL DESIGN DEPTH. REMOVED SEDIMENT SHALL BE DISPOSED OF IN AN APPROPRIATE MANNER AND SHALL BE HANDLED IN A 3. PIN ALL SUBMERGED/FLOATING PLANT MATERIAL SECURELY TO THE BOTTOM OF THE POND WITH 12"BENT v ,
BMP MAINTENANCE AN 0_7.2' 1 MANNER THAT WILL NOT ADVERSELY IMPACT WATER QUALITY(I.E.STOCKPILING NEAR A WET DETENTION BASIN OR STREAM,ETC.). WIRE PINS. x
w ACCESS EASEMENT
" 640-JB`""° / 7. PERFORM ANNUAL INSPECTION OF THE POND(ANNUAL INSPECTION REPORTS TO BE KEPT BY THE OWNER). PRIOR TO INSPECTION 4. CUTBACK TALL AND EASILY BROKEN LEAVES AND STEMS AT THE TIME OF TRANSPLANTING. r T 1
,may �..L�NOTIFICATION MUST BE GIVEN TO STORM WATER SERVICES.
y
i •" . al 1 t 8. A DAM SAFETY EXPERT SHALL BE CONTRACTED TO MAKE INSPECTIONS OF THE DAM. 5 ANY/MORE THAN NECESSARY UNTILTHEDYIA E PLACED INTHEIR PERMANENT POSITIONS.EXPOSED TO DIRECT SUN r
9. MAINTENANCE SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR FOR ONE(1)CALENDAR YEAR FOLLOWING THE CERTIFICATION OF 6. INSERT DRY FERTILIZER TABLETS OR SPIKES NEAR THE PLANTS AT THE TIME OF TRANSPLANTING. O Q
m COMPLETION,AND THEREAFTER SHALL BE THE RESPONSIBILITY OF THE SUBDIVISION HOMEOWNER'S ASSOCIATION.
7. FENCE ENTIRE PLANTING AREA WITH 36"TALL PLASTIC FENCE WITH 1.5"X2"OPENINGS. PLASTIC SHALL BE
UV STABLE. COLOR SHALL BE BLACK. INSTALL WITH STEEL POST SPACED AT 10'O.C.MAX.PIN THE BOTTOM N
LAYER OF THE FABRIC TO THE GROUND WITH 10-12"PINS. FENCING TO REMAIN IN PLACE FOR A PERIOD OF
3 THE ONE YEAR POST INSTALLATION OF PLANT MATERIAL.
00
8. STAKE 9"AND 18"PLANTING ZONES PRIOR TO INSTALLATION AND VERIFY AREAS ON PLAN.
a
O1 OUTLET STRUCTURE 2.00' 9. PLANTS ARE TO BE INSTALLED IN A RANDOM ARRANGEMENT WITHIN THEIR RESPECTIVE ZONES. INDIVIDUAL
CIO JOB NUMBER: C220016
SPECIES MAY BE PLANTED TOGETHER IN GROUPS OF 3 TO 5. PLANTS MAY ALSO BE PLANTED INDIVIDUALLY. CHECKED BY: BHE
t 2"PVC
TOP OF FOREBAY BERM 10. PLANT QUALITIES ARE TO BE VERIFIED BY CONTRACTOR PRIOR TO INSTALLATION. DRAWN BY: BHE
1' ELEV=596.00
o ELEV=596.00- CREST OF 10'RIPRAP 11. NO TREES OR WOODY SHRUBS SHALL BE PLANTED ON WET POND EMBANKMENTS. DATE: 08-07-2023
PERMANENT POOL p SPILLWAY ELEV=596.00
Y 12. SEE NCDEQ WETPOND DETAIL FOR PLANTING INFORMATION. SHEET TITLE:
„ „ ELEV=594.50- RIPRAP
m TOP OF BERM 13.5 THICK ®III®III®III®III® 2
3 CLASS B RIPRAP _ 1 BMP PLAN -
ELEV=600.00 FOREBAY I I®I I®I I®I I®III®I I I
x 1 �1 2 111-III-III-III-III-III-III MAIN POND
2"WATER QUALITY ORIFICE 3 EMERGENCY SPILLWAY 3 1 I I= 1 1®I�1® zz
I I®I 1 I®III®1 11®I I WET POND 2
bD CREST ELEV=s9s.so I I-III-I I I-III®III-I 1®I I®1 1®I GRAPHIC SCALE
I I®III®I I I®I I I d I I®I I I®I I I®1 11=1 11=I
20 0 10 20 40
20' I
WATER QUALITY ORIFICE DETAIL EMERGENCY SPILLWAY DETAIL
c NOT TO SCALE NOT TO SCALE. RIPRAP BERM DETAIL ***3 Days Before Digging*** SHEET NO.:
N North Carolina 811
NOT TO SCALE
( IN FEET) 811 or 1-800-632-4949
1 inch - 20 ft. Remote Ticket Entry
http://nc811.org/remoteticketentry.htm

Z a °°
d N
a �C N I-
i
20' MAINTENANCE ACCESS 0 O O
NOTES: POST CONSTRUCTION �1W1 U) ~
CONTROLS EASEMENT PCCE 1N MIN. STABILIZED MAINTENANCE ACCESS ROAD
1. 4-6 INCH LAYER OF AMENDED (PCCE) M INTENANCE ROAD B D i
SOIL IS RECCOMMENDED ON ° MAX. CROSS SLO 1' TO 2' ABOVE HIGH WATER ELEVATION W
LITTORAL SHELF AREA WHERE
HIGH WATER ELEVATION N �
~,,;', ,"� "'^^.„�� OUTLET STRUCTURE 3.1 STABILIZED SLOPEca
PLANTINGS ARE REQUIRED (SEE }> ? 'u`s'1,
d '
SOIL PARAMETERS IN BMP
DESIGN MANUAL) ; ;:; "G' ALL BERM SLOPES TO BE WITH TRASH RACK.
r=, s 10 FOOT LITTdRAL SHELF
'=<"'''•`;.' -•ap + "'u STABILIZED WITH GRASS. 6" MIN. FREEBOARD
20' FOOT MAINTENANCE ACCESS �� PERMANENT POOL ELEVATION
W yo
:>•�s_Si; CO OLS EASEMENT POOL 15% MAXIMUM LONGITUDINAL SLOPE
2. PROVIDE 20 ACCESS EASEMENT a c-. r. ;;,,^. '` ^"":` e�c�'",: ' "h';.
POST CONSTRUCTION FROM TEMP
t CONTROLS RIP RAP BERM � Q
a-a i
TO CONNECT WETPOND ''
7 s-,,• �" ,,., 10' OFFSET FROM AND WEIR CLASS ELEV. LITTORAL SHELF Wj a)
1, ,, ,, = _ _.e� INVERTED - O N
EASEMENT TO DEDICATED RIGHT e:asy;' ;" ' 3:1 SLOPE yy:z" ''" , •�, 3:1 SLOPE SLOPE BREAK B RIP RAP 15° WETLAND PLANTINGS +-
u a'" :F WATER QUALITY C Co
OF WAY. ACCESS ROAD SHALL yic-? }� `",71uE '=`` =%r;r;'?->',_,r, -_ „ 'h. MIN. DEPTH. 10' MIN.
HAVE MIN. 12' STABILIZED 2-1 SLOPE 5;;=;:rk: i'"l 4 ?V,E ._,-;P t:e;:,` * 50 YEAR EVENT ORIFICE N N
,3>va'-' �..-' '; .#' �r :#. #* ;i' STORMWATER STORAGE
WIDTH, MAX. LONG. GRADE OF ° '*;e # O
1st WIDTH 6" FREEBOARD EMERGENCY WEIR O N
„l,,; ;,hi,;,>; ,�, r # LOCATED THIS IF USED SECTION AT MAINTENANCE ROAD ACCESS AND FOREBAY 00
15%, MAX. CROSS-SLOPE 5%, Tiy` ';' rymgf,;: r = * # # r °' ?, SIDE rr N
`•-.` ,- .r' #.�-� ,ya ��
,, -%'C•, ,. ;R �,40TE
IN. FREEBOA Q� BANKMENT POST CONSTRUCTION 3.1 S 24 CE55 1 j O Z
; F.E.S. OORARY POD OLRISER: .,:; CONTROLS EASEMENT CCL
,_PERMANENT POOL ELEV. W.HOOD # ~ ^ HEADWA - MINIMUMFREEBOARD ALONG MAINTENANCE ROAD
6' M RD TABILIZED LOPE MAIN NAN A� 10' OFFSET FROM 12' MIN. STABILI ED RACK UTFALL
=- C7 P ION SLOp ENT�POOLANTI-SEEPSL HIGH WATER ELEVATION 00O
-i i i-s i�- 0DfC
RREL = _ - = 1 OLLARS 3:1 STABILIZED SLOPE O7p PERMAN M %. MA . E ROAD ED OPE BREAK 5% MAX CROSS SL PE I�I -� - ( I -III 'Z Q 0 at E 2' MINIMUM COVER
OVER PIPE TYP STORMWATER OUTLET co
INLET PIPE Q a0 U
RIP RAP INLET 1 SLOPE LF 10' LITTORAL SHE
PROTECTION - * '# * ?� * * J- = PERMANENT POOL ELEVATION
OR INLET PIPE # r - - - - - - - - - - - - -
k 7 ENERGY DISSIPATOR I I - I I-'`� I -III-
NTFN # �.:� # , 777
72Wr�' MAINTENANCE DRAIN 2:1 SLOPE STABILIZED I ANTI-FLdTATION PAD
AOOESS AAC� * # * # �# VALVE (IN BERM) TO POND BOTTOM DUCTILE IRON 10' LITTORAL SHELF ♦♦♦\\ C A
MAIN POND ♦ N R
MAINTENANCE DRAIN
SEDIMENT FOREBAY
♦♦ � o0000000000 �
STRUCTURE PIPE WITH SLUICE Z o° °o
LOCATED AT TOE GATE OR VALVE. SECTION AT STORMWATER OUTFALL o°AMERICAN oo
Q `=3=+,3,y, :'"'•;iK i �a OF 10:1 SLOPE (OFFLINE FROM o° ENGINEERING o�
OUTLET AND LOCATE n o° °o Z
POND MAINTENANCE INFORMATION Sc, « MAINTENANCE ACCESS ROAD - m o ASSOCIATES o 0
_ n MERGENCY SPILLWAY VALVE IN BERM) 3:1 STABILIZED SLOPE 20' MAINTENANCE ACCESS 7�
MUST BE POSTED AT SITE "' >s>; MUST BE LINED AND STABILIZED 0.5% SLOPE MIN. 1` TO 2' ABOVE HIGH WATER ELEVATION o SOUTHEAST o
(10' MINIMUM LENGTH) d = i %000 C-3881 000�Q`
OPTIONAL: OUTLET STRUCTURE OUTLET STRUCTURE �� 000 000 ��
MAY BE DESIGNED AS 50 YEAR NOTES: . 9 °0000000° ♦♦
OVERFLOW IN LIEU OF EMERGENCY 3:1 STABILIZED SLOPE HIGH WATER ELEVATION (�` ♦♦
EASEMENT 2TO PUBLIC 0' ACCESS SPILLWAY. 1 AREA (WHERE PLANTINGS ARE REQUIRED (SEED NCDEQ STORMWATER BMP MANUAL). 12' MIN. STABILIZED ,� O j"A N\\\\♦
R/W, (TYP) MAINTENANCE ROAD BED
5% MAX. CROSS SLOPE ' PERMANENT POOL ELEVATION
WETLANQ PLANTING ON
10 FOOT 10:1 LITTORAL
SHELF AROUND PERIMETER
PLAN VIEW
SECTION AT OUTLET STRUCTURE
NOT TO SCALE NOT TO SCALE NOT TO SCALE
7 .7
TOWN OF WAXHAW TOWN OF WAXHAW TOWN OF WAXHAW
WETPOND � �� �
LAND DEVELOPMENT STANDARDS WETPOND PLAN LAND DEVELOPMENT STANDARDS WETPOND PROFILE LAND DEVELOPMENT STANDARDS CROSS SECTIONS y
9'STD. N0. REV. STD. N0. REV. STD. N0. REV.
405.1 406.1 407.1 f "
;` I.
t gj
SYN
ZONE 6 UNDERDRAIN POST-CONSTRUCTION
OUTLET STRUCTURE WITH TRASH RACK. 6" NOTES: COLLECTION
SYSTEM CONTROLS
MIN. FREEBOARD FROM TEMP. POOL ELEV_ LITTORAL SHELF Wf WETLAND ZONE 1. ALL SAND FILTERS SHALL HAVE EASEMENT
PLANTINGS, 10' MIN. WIDTH ZONE A MINIMUM 20 FOOT ACCESS CLEANOUT (PCCE)
INVERTED WATER QUALITY ORIFICE EASEMENT CONNECTING TO A RIP RAP LPCCE
DEDICATED PUBLIC RIGHT OF APRON
LOCATED THIS SIDE (SEE DETAIL) 6" FREEBOARD ZONE 2 NO TREES ON WAY. ACCESS ROAD SHALL HAVE
NOTES: EMBANKMENT MIN. 12' STABILIZED WIDTH, SIDE
50 YEAR EVENT EMERGENCY WEIR MAX. LONG. GRADE OF 15%,
STORMWATER STORAGE ,,,- EMERGENCY
� IF USED ZONE 1 2 ADDITION, A 10-FOOT WIDE --
_�_... ----- _____ 1. PLANTINGS ZONES AND PLANT ZONE 1
TEMPORARY POOL 6" MIN. FREEBOARD SELECTION PER THE NCDEQ 3 PERMANENT MAINTENANCE PRETREATMENT
Q Zr3 ACCESS EASEMENT MUST BE SEDIMENTATION O
0 PROVIDED AROUND THE CHAMBER
_�_ �...
STORMWATER BMP MANUAL, SEED PERIMETER OF ALL BMPS TO OUTFLOW
EMBANKMENT CHAPTER 6 & APPENDICES. ALLOW FOR ADEQUATE
PERMANENT POOL 6 �?� 3 MAINTENANCE AND REPAIR.
SLO E 2. ALL PLANTINGS SHALL BE LOCAL 2. ALL DRAINAGE AREAS TO A SIDE
0:1 ANTI-SEEP NATIVE SPECIES. ZONE 5/6 SAND FILTER FACILITY ARE TO
MAIN POND Gj� 1 Q'-Q" COLLARS BE STABILIZED PRIOR TO
INSTALLATION OF SAND.
L� 3. IRRIGATION MAY BE PROVIDED FOR PCCE LEVEL SPREADER PCCE
INITIAL ESTABLISHMENT AND DRY 3. CLEAN OUTS IN THE FILTER BED OVERFLOW LWAY
Ll UNDERDRAIN SYSTEM ARE TO OR RIP RAP
BACK OF OUTLET STRUCTURE SEASONS. PLAN VIEW BE PROVIDED EVERY 50' AS NEEDED
LOCATED AT TOE OF STRUCTURE
10:1 SLOPE NOT TO SCALE MINIMUM. CLEAN OUTS SHALL
ANTI-FLOTATION PAD DUCTILE IRON MAINTENANCE HAVE WATER PROOF CAPSTANDTEXTENDL6" PLAIN VIEW z
DRAIN PIPE WITH SLUICE ZONES: 5/6 4 3 2 2 3 2 1 2 3 4 SEED ABOVE THE SURFACE. C)
GATE OR VALVE. (OFFLINE SEE INSET EARTHEN N
FROM OUTLET AND LOCATE FOR OPTION - BERM w
STRUCTURE- POND PROFILE VALVE IN BERM) 0.5% RIP RAP BERM CLEANOUT cc
SLOPE MIN. Err _ PERFORATED OVERFLOW
WASHED _r_2RIP STANDPIPE FILTER BED SPILLWAY
PERMANENT POOL STONE RAP WQv o WQ AS NEEDED Q
----
v 0
- v
1 '-0>,
WQ -- -- - PRETREATME T a =
r I
i
O
INFLOW
_. ...
Z
WATER QUALITY ORIFICE
OUTFLOW STIPULATION FOR REUSE
UNDERDRAIN THIS DRAWING WAS PREPARED FOR USE
WATER QUALITY ORIFICE DETAIL POND CROSS SECTION INSET PROFILE VIEW COLLECTION THIS
THE SPECIFIC SITE, NAMED HEREON,
NOT TO SCALE SYSTEM
NOT TO SCALE NOT TO SCALE CONTEMPORANEOUSLY WITH ITS ISSUE
DATE AS LISTED, HEREON. AND IT IS NOT
TOWN OF WAXHAW TOWN OF WAXHAW TOWN OF WAXHAW NOT TO SCALE SUITABLE FOR USE ON A DIFFERENT
W ET P O N D W ET P O N D PROJECT SITE OR AT A LATER TIME.USE OF
LAND DEVELOPMENT STANDARDS LITTORAL SHELF AND BERM DETAIL STD. N0. REV. LAND DEVELOPMENT STANDARDS PLANTING PLAN STD, NO, REV. LAND DEVELOPMENT STANDARDS SURFACE SAND FILTER STD. N0. REv. THIS DRAWING FOR REFERENCE OR EXAMPLE
ON ANOTHER PROJECT REQUIRES THE
408.1 409.1 424.1 SERVICES OF PROPERLY LICENSED
ARCHITECTS AND ENGINEERS. REPRODUCTION
OF THIS DRAWING FOR REUSE ON
ANOTHER PROJECT IS NOT AUTHORIZED
AND MAY BE CONTRARY TO THE LAW.
z w
m m ( O Z r-1
00
1;l2 X4" AFDGE OR EPDXY 1•,T2'-X 4' DGF_ C]kX O
�� API H WITH NND WON 'EPDXY ACH C+k�S TED! ^ � N
' AT SLOTTED CONNECTION ( EACH CORNER)
F�1 V
TOPSOIL (3" MIN)
-� FILTER FABRIC i T tJ±NAG LpEO
24"-36"RCP
= I � ' � TO PLATE Tt� �JPEPd � x
A FtAICw
® _ -®"; S B
a� NT
�_ C1EC1 cT0
fk �
2' TO 2.5' (3)#4 BARS @ 6"O.C. x
/ P.A.CE
CLEANED WASHED W/3"CLR.EA.WAY -
"CONCRETE" SAND
. i
3"X 3 j57
SUPPORT PLATE
I � Q
I O a
CONCRETE O
COLLAR 33° 33 viEvY i d+
1"1'
m i I
Y FILTER FABRIC ;� 8 00
o GENERAL NOTES:
d NOTES: ,.. k
m 1.SEE CONCRETE BARREL AND RISER SPECIFICATIONS(THIS SHEET) /2D IRA t r D'ETAI JOB NUMBER: C220016
1. "CONCRETE" SAND REFERS TO SAND THAT Jj1S
IS COMMONLY USED IN CONCRETE MIXES. TYPICAL SECTION PERFORATED 2.ALL SOIL UNDERLYING AND ADJACENT TO RISER AND FOOTING 2-PAR SUPPORT CHECKED BY: BHE
TO BE COMPACTED TO 98%MAXIMUM DRY DENSITY AS DETERMINED t T GEN B"X ^/2" ATE BENT TO
t 2. ALL DRAINAGE AREAS TO A SAND FILTER PIPE/GRAVEL BYASTM D 698(STANDARD PROCTOR)UNDER THE DIRECTION B&LIDED To AR 70ASH RACK ANGI E.
FACILITY ARE TO BE STABILIZED PRIOR UNDERDRAIN DRAWN BY: BHE
OF THE GEOTECHNICAL ENGINEER. PLAT
u TO INSTALLATION OF SAND. �� E1Afi' BATS WELDED TO F"LATE
SYSTEM TRASH DATE: 08-07-2023
3.WATERTIGHT RUBBER BOOTS TO MEET THE ASTM C923-84 STANDARD 3'X 3j6" RACK
3. UNDERDRAIN PIPES SHOULD BE MIN. 6" SUPPORT � � SHEET TITLE:
PERFORATED SCHEDULE 40 PVC PER SPECIFICATIONS FOR RESILIENT CONNECTORS BETWEEN REINFORCED P-ATE +
{ CONCRETE MANHOLE STRUCTURES AND PIPES.
o AASHTO M278) OR DOUBLE WALL HDPE ! _ Ei �"AT101 VFY
(PER AASHTO M252). PERFORATIONS
m..
X SHOULD BE 3/a" SPACED 3" ON CENTER CONCRETE ANTI-SEEP COLLAR DETAIL BMP DETAILS
3 ALONG 4 LONGITUDINAL ROWS SPACED TRASH RACK DETAIL
m
90' APART. NOT TO SCALE NOT TO SCALE.
0 I
E TOWN OF WAXHAW
LAND DEVELOPMENT STANDARDS SURFACE SAND FILTER SECTION STD. NO. REV. ***3 Days Before Digging*** SHEET NO.:
425.1
N North Carolina C5all
0 811 or1-800-632-4944949
Remote Ticket Entry
http://nc811.org/remoteticketenhy.htm