SW5220101_Plansheet (C9.02-4) - SCM Detail_20220728

NOTES: TRASH RACK
(SEE DETAIL, SHEET C9.02)
1. REMOVED TOPSOIL SHALL BE STOCKPILED FOR USE IN PLANTING (SEEDING) THE DAM COMPACTED BERM SECTION
EMBANKMENT ONCE FINAL GRADES (AS SHOWN ON THE GRADING PLAN) HAVE BEEN TOP OF HANDWHEEL CONCRETE COLLAR
APPROXIMATE LOCATION OF (SEE BERM AND SOIL
ESTABLISHED WITH COMPACTED FILL. PRIOR TO TOPSOIL INSTALLATION, THE CONTRACTOR TO EXTEND 1-FOOT (TO BE CONSTRUCTED IN THE FIELD BY THE COMPACTION SPECIFICATIONS,
SHALL SCARIFY THE TOP 2- TO 3-INCHES OF THE BERM SECTION TO PROMOTE BONDING EXISTING GROUND ABOVE TRASH RACK CONTRACTOR, SEE DETAIL, SHEET C9.03
OF THE TOPSOIL WITH THE COMPACTED FILL. THE TOPSOIL DEPTH SHALL RANGE FROM 3- ) SHEET C9.01)
A
TO 4-INCHES ON THE DAM EMBANKMENT. 1'L WEIR INVERT
TOP OF EMBANKMENT = 274.50 EL. = 237.25' PROPOSED GRADE SPILLWAY FILTER
APPROXIMATE LOCATION OF 100-YR STORM W.S.E = 273.97 (SEE DETAIL,
EXISTING GROUND 25-YR STORM W.S.E = 273.88 6"0 EMERGENCY DIP DRAIN TOP OF DAM WIDTH = 10' MIN. SHEET C9.03)
10-YR STORM W.S.E = 273.69 WITH TRASH RACK 12" COVER
TOP OF EMBANKMENT = 274.50 PROPOSED GRADE 1-YR STORM W.S.E = 273.57 (SEE DETAIL, SHEET C9.03) (MIN.) 3 H MIN :1 V
TOP OF RISER = 273.50
-1 - - - - - - - - - _ WEIR INVERT = 273.25 0 0
.1" WATER QUALTY STORM W.S.E. = Ny
272.87 _ _____________________
FLOW 28.00 LF CLASS III 18"0 0-RING RCP (ASTM C76-LATEST) Q 1.79%
MAN __ ____
NORMA OOL W. = 2 2.00
MICROPOOL ��y MICROPOOL
2NMjN (FOREBAY) N N (NON-FOREBAY)
1 "0 0-RING RCP INVERT OUT EL. = 71.50 J��L - - ° °-�- ° o o • o
PROPOSED GRADE J 269.00 -1 " THICK JOINT 2.0' MIN
FILLER MATERIAL -I -CONCRETE INVERTED TAKE CRADLE
IN 18' CLASS III 0-RING RCP (SEE DETAIL
-
(SEE DETAIL, SHEET C9.03) I INV. IN = 271.50 = _ 5.0' MIN -SHEET C9-03)
RIONTRACTOR SHALL FORM SER STRUCTURE TO DRAIN INVERT OF I I I I I I
9
6" PLUG VALVE. THE VALVE SHALL BE A
-POSITIVELY TO INVERT OF OUTLET
I I I M&H STYLE 1820 ECCENTRIC VALVE OR BARREL USING NON -SHRINK GROUT
APPROVED EQUAL. THIS VALVE SHALL BE_ -
IN ACCORDANCE WITH AWWA C517, AND KEY TRENCH (SEE BERM AND SOIL
SHALL BE OPERABLE FROM TOP OF COMPACTION SPECIFICATIONS, ENDWALL PER
OUTLET STRUCTURE VIA A HANDWHEEL. DETAIL ON SHEET C9.01) NCDOT STD. 838.80
CONCRETE INV. OUT (18" RCP) = 271.00
ANTI -FLOTATION BLOCK (SEE DETAIL SHEET C9.03)
PERMANENT DAM AND SCM CROSS SECTION (SEE DETAIL) A DOUBLE LAYER OF NON -WOVEN CLASS 'B' RIP RAP
GEOTEXTILE FABRIC SHALL BE PLACED VELOCITY DISSIPATOR
N.T.S. AROUND EACH JOINT OF THE 18"0 0-RING RCP
PAD 9.0'L X 4.5'W X 22"T
BARREL IN 2' WIDE STRIPS CENTERED ON JOINT. (SEE DETAIL, SHEET C9.03)
3j"L x 4"0 GRADE 8
G STAINLESS STEEL
CONCRETE LAG
SCREW
0
18" X 4" X "
GALVANIZED STEEL
o STRAP (4 PER
RISER JOINT)
on
RISER JOINT CONNECTION DETAIL
N.T.S.
NOTES
1. CONCRETE ANTI -FLOTATION BLOCK TO BE PROVIDED WITH MINIMUM TEMPERATURE AND
SHRINKAGE STEEL REINFORCEMENT.
2. TRASH RACKS NOT SHOWN FOR CLARITY.
3. THE NUMBER OF GUIDES FOR THE VALVE STEM SHALL BE DETERMINED IN THE FIELD BY THE
CONTRACTOR. THE VALVE STEM MUST BE OPERABLE FROM THE TOP OF THE RISER VIA THE
HANDWHEEL WITH AN INSIGNIFICANT AMOUNT OF PLAY IN THE VALVE STEM.
4. CONTRACTOR SHALL PROVIDE A JOINT IN THE OUTLET BARREL NO MORE THAN 5-FT FROM THE
RISER.
d < d
< 5'
4'
/18"0 0-RIN�
RCP
d d
< d
12" 4
< Q
CONCRETE
ANTI -FLOTATION
BLOCK
I 6"0 DIP DRAIN W/ TRASH RACK
INV. = 271.70
(SEE DETAIL SHEET C9.03)
8'
1. 5' _ _ 5' _ _ 1.5' _
d d
d
(1) 1'L WEIR < d
INVERT EL. = 273.25 a
4
d
6"0 DIP DRAIN
W/ TRASH RACK < d
(SEE DETAIL <
SHEET C9.03) ❑
V
d
8' 5'
<
INVERTED INTAKE O
(SEE DETAIL,
SHEET C9.03)
<Q FT d
4
< a1
d d 4 4
d d
< < d
I I <
CONTRACTOR SHALL PROVIDE
STEPS IN ACCORDNACE WITH
NCDOT STD. 840.66. STEPS
SHALL BE PLACED AT 16" O.C.
AND SHALL LINE UP WITH TRASH
RACK ACCESS HATCH
TOP OF HANDWHEEL TO EXTEND
1-FOOT ABOVE TRASH RACK
(1) 1'L WEIR
INVERT EL. = 273.25
TOP OF RISER REAR WALL EL. = 275.50
VALVE STEM GUIDE
CONTRACTOR SHALL PROVIDE (SEE NOTE #3)
STEPS IN ACCORDNACE WITH
NCDOT STD. 840.66. STEPS (1) 1'L WEIR
SHALL BE PLACED AT 16" O.C. INVERT EL. = 273.25
AND SHALL LINE UP WITH
TRASH RACK ACCESS HATCH
TOP OF RISER EL. = 273.50
WEIR INVERT EL. = 273.25
2' INVERTED INTAKE
(SEE DETAIL C9.03)
d
4' RISER INVERT EL. = 271.50
0.5' 4" PVC INVERTED INTAKE
-r INVERT FI = 971 FV)
<
d d <
1.0 �
4
Q < BOTTOM EL. = 270.00 d d
CONTRACTOR SHALL FORM INVERT 6"0 DIP DRAIN PIPE CONTRACTOR
OF RISER STRUCTURE TO DRAIN SHALL CORE -DRILL THE HOLE
POSITIVELY TO INVERT OF OUTLET FOR THE 6"0 DIP PIPE IN THE
BARREL USING NON -SHRINK GROUT FIELD. PRECASTER SHALL OMIT
INVERTED INTAKE REINFORCEMENT IN THIS AREA
(SEE DETAIL, 6"0 DIP DRAIN W/
SHEET C9.03) TRASH RACK
18" 0 CLASS III 0-RING RCP INV. = 271.70
INVERT = 271.50 (SEE DETAIL SHEET C9.03)
PERMANENT OUTLET STRUCTURE DETAILS
N.T.S.
1" THICK CONCRETE CRADLE
JOINT FILLER (SEE DETAIL
MATERIAL SHEET C9.03)
4
d d
4 d
18"0 0-RIN `RCP
FLOW
<
d d
d \
1 " THICK
JOINT FILLER
MATERIAL
PRECASTER SHALL PROVIDE
A BLOCK OUT FOR THE 18"0
0-RING RCP
- CONCRETE COLLAR
(TO BE CONSTRUCTED IN
THE FIELD BY THE
CONTRACTOR - SEE DETAIL)
- SAW OFF 4"0 PVC (SCH 40) TO
ADJUSTED NORMAL POOL
FOLLOWING AS -BUILT SURVEY
EVALUATION BY DESIGN ENGINEER.
DESIGN NORMAL POOL = 272.00
(SEE DETAIL ON SHEET C9.03)
- CONTRACTOR SHALL PROVIDE
STEPS IN ACCORDNACE WITH
NCDOT STD. 840.66. STEPS
SHALL BE PLACED AT 16" O.C.
AND SHALL LINE UP WITH
TRASH RACK ACCESS HATCH
CONCRETE COLLAR
(TO BE CONSTRUCTED IN THE
FIELD BY THE CONTRACTOR -
4 d SEE DETAIL)
2.0' PRECASTER SHALL PROVIDE
A BLOCK R
OUT FOR THE 18"0
O-R
4�
0 4 d
<
<
d d
< 4
4
I< Q
< Q
18"0 0-RING RCP
FLOW
<
- -� <
d d
6" PLUG VALVE. THE VALVE SHALL BE 1 " THICK
JOINT FILLER
A M&H STYLE 1820 ECCENTRIC VALVE
MATERIAL
OR ENGINEER -APPROVED EQUAL. THIS
VALVE SHALL BE IN ACCORDANCE WITH
AWWA C-517, AND SHALL BE CONCRETE CRADLE
OPERABLE FROM TOP OF OUTLET (SEE DETAIL
STRUCTURE VIA A HANDWHEEL. SHEET C9.03)
CONTRACTOR SHALL SEAL THE PIPE
PENETRATION USING A RUBBER BOOT
AND STAINLESS STEEL HARDWARE
NOTES:
1. ALL REBAR TO BE #4 REBAR.
2. ALL REBAR AND ANGLES TO BE HOT -DIPPED GALVANIZED AND BE PROVIDED WITH AN EPDXY COATING.
3. THE HOT -DIPPED, GALVANIZED 2"x2"x1/4" ANGLE SHALL BE WELDED TO THE REBAR TRASH RACK. ONCE
WELDED, THE ENTIRE ASSEMBLY SHALL BE PLACED ONTO THE RISER WITH ANGLES SITTING DIRECTLY ON
TOP OF RISER.
4. TRASH RACK IS TO BE SECURELY FASTENED TO THE SPILLWAY RISER WITH A MINIMUM OF FOUR
CORROSION -RESISTANT ANCHORS.
5. ACCESS HATCH SHALL ALIGN WITH STEPS IN RISER.
CORROSION RESI
(TYP., SEE NOTE #
7.0 LF
2"x2"x7' ANGLE
ACCESS HATCH TO BE PROVIDED BY THE TRASH
RACK FABRICATOR PER OUTLET STRUCTURE
MATERIAL SPECIFICATIONS (SHEET C9.F1)
NOTES:
1. ALL REBAR TO BE #4 REBAR.
2. WRAP OUTSIDE OF PIPE WITH VOLCLAY WATERSTOP-RX®
101 (OR PRE -APPROVED EQUIVALENT) AT THE FACE OF
THE PRECAST STRUCTURE WALL. PROVIDE 6" OVER LAP
ON THE BOTTOM OF THE PIPE.
5'
3" CLEARANCE TO
OUTSIDE OF #4
3" CLEARANCE TO REBAR)
OUTSIDE OF #4
REBAR) 3" CLEARANCE WRAP OUTSIDE OF
TO OUTSIDE OF PIPE WITH FLEXIBLE
#4 REBAR) WATERSTOP SEAL (SEE
NOTE 2)
d d
d
a � �
/ 18" \I
2 7' I 0-RING
RCP
3.5'
° d•
d 6" INVERT
d• d - TO ANTIFLOAT
1.0' d
ANCHOR
DEPTH
Q
4 d
d
a
d
a
d d
d
�
4 d a 41,d
a
a
a
4.6" 3.7' 4.6"
(CENTER TO (CENTER TO (CENTER TO
CENTER) CENTER) CENTER)
CONCRETE FRONT VIEW
ANTI -FLOTATION
BLOCK
5.5'
1.0' O.C. (TYP.)
CORROSION RESISTANT ANCHOR
(TYP., SEE NOTE #4)
FABRICATED HINGES FOR THE 4'X3'
ACCESS HATCH. ACCESS HATCH SHALL
BE POSITIONED OVER STEPS.
4'X4' RISER 3-SIDED TRASH RACK DETAIL
N.T.S.
3" ANCHOR DEPTH
PRECAST
1' DEPTH
STRUCTURE
3000 PSI CONCRETE
WALL
COLLAR
#4 REBAR ANCHORS.
(MIN.28 DAY STRENGTH)
CONTRACTOR SHALL DRILL
INTO PRECAST STRUCTURE
3" CLEARANCE TO
WALL AND SET ANCHORS
OUTSIDE OF #4
USING EPDXY GROUT
REBAR)
18" 0-RING
WRAP OUTSIDE OF PIPE
RCP
WITH FLEXIBLE
<
WATERSTOP SEAL (SEE
5.5" CENTER
NOTE 2)
- -
TO CENTER
d
6" INVERT
TO
ANTIFLOAT
<
12" ANCHOR DEPTH
d d
d
d
T
Ij
#4 REBAR ANCHORS.
a
CONTRACTOR SHALL
3" CLEARANCE
DRILL INTO PRECAST
BASE AND SET
TO OUTSIDE OF
ANCHORS USING EPDXY
#4 REBAR)
GROUT
SIDE VIEW
CONCRETE
ANTI -FLOTATION
BLOCK
18"0 CONCRETE COLLAR DETAIL
N.T.S.
g„
(TYP.)
TRASH RACK (ABOVE)
ANCHOR TRASH RACK TO RISER WALL WITH FOUR
EQUALLY SPACED STAINLESS STEEL CONCRETE
WEDGE ANCHORS. EACH CLAMP ATTACHED TO
RISER BY 2-4"x1/4" CONCRETE ANCHOR BOLTS
EACH CLAMP TO BE COATED W/ AN EPDXY
COATING.
#4 REBAR ANCHORS.
CONTRACTOR SHALL DRILL INTO
PRECAST STRUCTURE WALL AND
SET ANCHORS USING EPDXY
GROUT
4"
(CENTER TO
CENTER)
5'
o^
v
w w
U C>
0
CONCRETE
ANTI -FLOTATION
BLOCK
1' DEPTH
3" CLEARANCE
TO OUTSIDE OF
#4 REBAR)
18"
0-RING
RCP
3000 PSI CONCRETE
o COLLAR
(MIN.28 DAY
4.6" o STRENGTH)
(CENTER TO o
CENTER)
PRECAST
STRUCTURE WALL 3" CLEARANCE
WRAP OUTSIDE OF PIPE J TO OUTSIDE
WITH FLEXIBLE OF #4 REBAR)
WATERSTOP SEAL (SEE TOP VIEW
NOTE 2)
'J
McADAMS
The John R. McAdams Company, Inc.
2905 Meridian Parkway
Durham, NC 27713
phone [phone]
fax [phone]
license number: C-0293, C-187
www.mcadamsco.com
BODDIE-NOELL ENTERPRISES, INC.
P.O. BOX 1908
ROCKY MOUNT, NC 27802
Contact
PHONE: [phone]
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REVISIONS
NO. DATE
1
2
3
4
5
6
PLAN INFORMATION
PROJECT NO.
2021110321
FILENAME
2021110321-SW
CHECKED BY
RW
DRAWN BY
KEG
SCALE
NTS
DATE
06.21.2022
SHEET
STORMWATER CONTROL
MEASURE DETAILS
C960
2
PRELIMINARY DRAWING - NOT RELEASED FOR CONSTRUCTION

NOTES:
1. ALL REINFORCING STEEL IN RISER ANTI -FLOTATION BLOCK TO BE GRADE
60 #4 BARS FOR HORIZONTAL CROSSING AND GRADE 60 #4 BARS FOR
VERTICAL CONNECTIONS.
2. INSIDE OF RISER BOTTOM TO BE FORMED WITH NON -SHRINK GROUT TO
INVERT ELEVATION OF BARREL.
3. ALL PIPE PENETRATIONS THROUGH THE CONCRETE RISER STRUCTURE
INSIDE OF RISER TO BE
SHALL BE MADE WATERTIGHT.
FORMED WITH NON -SHRINK
PRECAST
GROUT TO INVERT
RISER STRUCTURE
ELEVATION OF BARREL
I 18„� I
0-RING
#4 STEEL
\ RCP /
REBAR
�6�
\ /
6"�
A'
d d
4
#4 REBAR VERTICAL
d
A'
'
°
CONNECTION (TYP.)
°
d °
°d
N
�
a
N•4
•°
• ° �
°.
r
B'
<°d
°
d
B'
°
° < ° •
3000 PSI CONCRETE
8 0'
ANTI FLOTATION
BLOCK
#4 STEEL
REBAR
0
c6
BAR
CROSS SECTION A' -A'
N. T. S.
UA DCDAD %/CDTIl1AI
I.KVJJ JtI.IIVIV tf -C
N.T.S.
RISER/ANTI-FLOTATION BLOCK CONNECTION
N.T.S.
NOTES: Z
INSTALL ALL STEPS PROTRUDING 4" FROM INSIDE FACE OF STRUCTURE WALL. 2
STEPS DIFFERING IN DIMENSIONS, CONFIGURATION, OR MATERIALS FROM THOSE SHOWN MAY ALSO BE USED PROVIDED THE CONTRACTOR HAS FURNISHED H- Q
THE ENGINEER WITH DETAILS OF THE PROPOSED STEPS AND HAS RECEIVED WRITTEN APPROVAL FROM THE ENGINEER FOR THE USE OF SUCH STEPS. Q
"00 .
8 _ 0010=z
1" m F-U<O�
r L
H
ACC "<
=� m O Cn pC
z r,
rn rn d >
r n\�� LU O
O
(-
PLAN SIDE
ELEVATION
PLAN SIDE
ELEVATION _ m
N
5j8„
1 I� o a
U_ W
CAST IRON 14/2 CAST IRON z Cn
ELEVATION ELEVATION W
1 /6Cr
„
:±
#6 BAR OR =
�;� 11/4° #8 BAR Q
1 8314 \ GALV'D. z
w 1/„ Q CA
s6.� , W
T Q Q
T POLYPROPYLENE 0 Z
PLAN SIDE PLASTIC SIDE Q �"�
8" ��{{ i2 ELEVATION ELEVATION 0 CaC
= COMPOSITE PLAN G
1/ „ I REINFORCING STEEL
12" Ft R77_7_�
ELEVATION NOTE:
#3 DEFORMED 12" DO NOT USE IN
STEEL ROD SANITARY SEWER MANHOLES.
ELEVATION SHEET 1 of 1
SECTION A -A 840.66
(2) 4" PERFORATED,
CORRUGATED HDPE
PIPE (DOUBLE -WALL
SMOOTH BORE HDPE
TYPE "S" OR ENGINE[
APPROVED EQUIVALEN
NOTE:
1. HAVILAND DRAINAGE PRODUCTS 4" ALUMINUM ANIMAL
GUARD ITEM NUMBER AGSSO4 (OR ENGINEER
APPROVED EQUIVALENT) TO BE INSTALLED AT OUTLET
OF 4" HDPE PIPES
PROPOSED
GRADE
6" MIN.
18"0 RCP �22
FLOW-,
A. °
C <
e ° • °4 • ° • °
0
1' MIN. o
c
NO. 67 WASHED STONE
ENCASED IN
NON -WOVEN FILTER
FABRIC (MIRAFI 18ON
OR EQUIVALENT)
(2) 4" PERFORATED,
CORRUGATED HDPE PIPE
(DOUBLE -WALL SMOOTH BORE
HDPE TYPE "S" OR ENGINEER
APPROVED EQUIVALENT) WITH
ANIMAL GUARD
ENDWALL PER NCDOT
STD. 838.80
4" WEEPHOLES TO BI
PROVIDED WITH ANIME
GUARD ON DOWNSTR[
SIDE AND GALVANIZE[
HARDWARE CLOTH ON
UPSTREAM SIDE (Y4"
MAXIMUM OPENINGS)
ENDWALL
PER
NCDOT
o 0
STD.
o
838.80
0 0
ooUo o
0
0 0 0
oU o 0 0 0 0 0
0 0�0�0 0 0 0
NO. 67 WASHED
(2) 4" PERFORATED,
STONE ENCASED
CORRUGATED HDPE PIPE
IN NON -WOVEN
(DOUBLE -WALL SMOOTH BORE
FILTER FABRIC
HDPE TYPE "S" OR ENGINEER
(MIRAFI 180N OR
APPROVED EQUIVALENT) WITH
EQUIVALENT)
ANIMAL GUARD
18" SPILLWAY FILTER
DETAIL
N.T.S.
J
R
ON
#4 REBAR
(TYP.)
W1 (FT.)
1-0
ELEVATION
W2 (FT.)
co >
D
I \�
PLAN \
PERMANENT
OUTLET
STRUCTURE •° °
a
e'
a d
SAW OFF 4"0 PVC (SCH 40) 4"0 PVC (SCH 40)
TO ADJUSTED NORMAL POOL
FOLLOWING AS -BUILT ° a
SURVEY EVALUATION BY
°
DESIGN ENGINEER. DESIGN
NORMAL POOL = 272.00 4
3" 4tM
"C CAP
(MIN.) " ° 4 CREW
PLUG
4" PVC CAPTOP EL. = 272.33
WITH SCREW CONTROL FL. = 272.00
TYPE PLUG
v
4
VC INVERT EL. = 271.50
°
° 4" PVC CAP WITH
4s • 41"0 DRILLED
CONTRACTOR TO PROVIDE d ° ORIFICE
WATERTIGHT CONNECTION 4
BETWEEN INVERTED INTAKE ° d ° • g
AND RISER 14' ° °
°
d < ° 44
° ° •d•
CONCRETE ANTI -FLOATATION - -
BLOCK
INVERTED INTAKE DETAIL (RISER
N.T.S.
z
O O
NOTES: H Q
Q
H
D 6" * THIS PRECAST ENDWALL MAY BE USED FOR THE FOLLOWING
* STANDARDS: 838.01, 838.11, 838.21, 838.27, 838.33, LL J 6I--I Z
838,39, 838.51, 838.57, 838.63 AND 838.69. O 0 U) =
INSTALL PRECAST ENDWALLS WITH WINGS AND PAY LU Q Q LL =
FOR IN ACCORDANCE WITH SPECIFICATION SECTION 838. �- U p� O Ur
1 0 USE 4000 PSI CONCRETE. H 2~ Z Iy
* PROVIDE ALL REINFORCING STEEL WHICH MEETS ASTM A615 U �- LL O J
FOR GRADE 60 AND WELDED WIRE FABRIC CONFORMING cr 0 Q
O
H2
H1
TO ASTM A185 WITH 2" MIN. CLEARANCE.
PLACE LIFT HOLES OR PINS IN ACCORDANCE WITH
OSHA STANDARD 1926.704.
PIPE TO BE GROUTED INTO HEADWALL AT JOB SITE BY
CONTRACTOR
Z I
F- f>-I
r LU
O
�O -
* ALL ELEMENTS PRECAST TO MEET ASTM C913.
* WELDED WIRE FABRIC MAY BE SUBSTITUTED FOR REBAR
AS LONG AS THE SAME AREA OF STEEL IS PROVIDED.
* CHAMFER ALL CORNERS 1" OR HAVE A RADIUS OF 1".
68" O. C.(TYP.)
REFER TO CHART
FOR BAR SIZE
NOTE: THE MINIMUM BAR SIZE SHALL BE #5 BARS
w
J y
SIDE
AT 8" CTS.THE CONTRACTOR WILL HAVE THE OPTION
'r
0 J
TO INCREASE THIS BAR SIZE AS NEEDED.LL
Q o
ENDWALL DIMENSIONS
FT.
MINIMUM
MIN./MAX.
MIN./MAX.
MIN./MAX.
MIN./MAX.
MIN./MAX.
PIPE DIA.
BAR
SIZE
H1(FT.)
H2(FT.)
D (FT.)
W1
W2
1.0
#5
@ 8"
1.25/2.00
2.00/3.75
1.25/1.75
3.00/3.75
5.50/6.00
1.25
#5
@ 8"
1.25/2.00
3.00/3.75
1.25/2.00
3.50/3.75
6.50/6.75
1.50
#5
@ 8"
1.25/2.00
3.00/4.25
1.50/2.50
3.50/3.75
6.50/6.75
2.0
#5
@ 8"
1.50/2.50
4.00/4.75
1.75/2.50
4.00/4.25
7.50/8.25
2.5
#5
@ 8"
2.50/3.50
4.00/6.00
2.00/3.00
4.50/5.50
10.00/11.50
3.0
#5
@ 8"
3.00/3.50
5.00/6.00
2.75/3.50
5.25/5.75
11.50/11.75
3.5
#5
@ 8"
3.25/4.50
6.00/6.75
3.25/3.50
6.00/6.75
12.00/13.25
4.0
#5
@ 8"
3.50/4.50
6.50/7.00
3.25/3.50
6.50/6.75
13.00/13.25
4.5
#5
@ 8"
4.00/5.00
6.50/8.50
3.25/4.00
7.00/9.25
13.50/15.75
5.0
#5
@ 8"
4.50/5.00
7.00/8.50
3.25/4.00
7.25/9.25
13.75/15.75
5.5
1 #5
@ 8"
1 4.50/5.00
7.50/8.50
3.25/4.00
1 7.25/9.25
1 14.00/15.75
6.0
1 #5
@ 8"
4.50/5.00
1 7.50/8.50
3.25/4.00
1 7.75/9.25
1 14.75/16.75
NOTES:
1. A FILTER BLANKET IS TO BE INSTALLED BETWEEN THE RIPRAP AND SOIL
FOUNDATION. THE FILTER BLANKET WILL CONSIST OF A MINIMUM 4" THICK
LAYER OF STONE (NCDOT #57) UNDERLAIN WITH MIRAFI FILTER WEAVE 700
OR ENGINEER -APPROVED EQUIVALENT.
2. RIPRAP TO EXTEND TO TOP OF CHANNEL WITH 2:1 SIDE SLOPES
THROUGHOUT THE EXTENT OF CHANNEL.
PER
TD. E",, ". - '
N
8
18"
RCI
MINIMUM DIMENSIONS
NCDOT CLASS B RIPRAP
9'L X 4.5'W X 22" THICK
TO BE LINED WITH
GEOTEXTILE FABRIC OR
ENGINEER -APPROVED
EQUIVALENT
91
�-
PLAN
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a)ZG ,
H Z
3: LLI w
Q a
o W a
O Ill- N
= = N
0cr
z¢ Z
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NOTE:
1. CONTRACTOR SHALL PROVIDE A JOINT IN THE OUTLET BARREL NO
MORE THAN 5-FT FROM THE RISER.
ANTI -FLOTATION
BLOCK TOP VIEW
#6 REBAR
PERIMETER
FRAME
4"x4" 8 WELDED
WIRE FABRIC 6" MIN.
(EACH SIDE & WALL
TOP OF CAGE) THICKN
18" TYP.
2.03'
," -ruir V I/IIAIT
CONCRETE ANTI-r L V I r� I Ivry
BLOCK
SIDE VIEW
RISER BARREL/CRADLE CONNECTION DETAIL
N.T.S.
4%4" WELDED WIRE FABRIC
(EACH SIDE & TOP OF CAGE) 0.86'
(CENTER TO CENTER)
E S CONTRACTOR SHALL SEAL
THE PIPE PENETRATION d ° 6" MIN. WALL
° USING A RUBBER BOOT ° d ° THICKNESS
AND STAINLESS STEEL
HARDWARE
2LF O° °
6"0 DIP d
2.00'
° f a 6" PLUG VALVE. THE VALVE
SHALL BE A M&H STYLE 18" (TYP.) d
° 1820 ECCENTRIC VALVE OR
° d d d ° ENGINEER -APPROVED ° 2 LF
9 d EQUIVALENT. THIS VALVE d 6"0 DIP
4" ANCHOR DEPTH ° SHALL BE IN ACCORDANCE °
CONTRACTOR SHALL d` d a ° WITH AWWA C-517, AND #6 REBAR °
DRILL INTO SHALL BE OPERABLE FROM PERIMETER ° A
PRECAST EXTENDED TOP OF OUTLET STRUCTURE FRAME
BASE AND SET 0.86 VIA A HANDWHEEL. 6" PLUG VALVE. THE VALVE
ANCHORS USING (CENTER TO CENTER) SHALL BEAM &H STYLE 1820
EPDXY GROUT CONTRACTOR SHALL SEAL THE ECCENTRIC VALVE OR
PIPE PENETRATION USING A ENGINEER -APPROVED
RUBBER BOOT AND STAINLESS EQUIVALENT. THIS VALVE SHALL
STEEL HARDWARE BE IN ACCORDANCE WITH AWWA
C-517, AND SHALL BE
OPERABLE FROM TOP OF OUTLET
STRUCTURE VIA A HANDWHEEL.
6"0 EMERGENCY DIP DRAIN TRASH RACK DETAILS
NOTE:
1. AS AN ALTERNATE TO A CONCRETE CRADLE UNDER THE BARREL PIPE (THIS DETAIL), THE
CONTRACTOR MAY CHOOSE TO ELIMINATE THE CONCRETE CRADLE AND USE COMPACTED BACKFILL IF
THE ON -SITE GEOTECHNICAL ENGINEER WILL PROVIDE A NC PE SEALED LETTER CERTIFYING THAT
THE COMPACTION UNDER, AROUND, AND ABOVE THE BARREL MEETS THE SPECIFICATIONS OF THE
EMBANKMENT COMPACTION REQUIREMENTS AND MOISTURE CONTENT. THIS CERTIFICATION LETTER
MUST BE SUBMITTED TO THE DESIGN ENGINEER BEFORE AS -BUILT CERTIFICATION OF THE FACILITY.
THIS SEPARATE CERTIFICATION MUST BE SPECIFIC TO THE BARREL PIPE FOR THE FACILITY, AND
MUST CLEARLY STATE THAT ALL SOIL MATERIAL UNDER, AROUND, AND ABOVE THE BARREL PIPE
MEETS THE BERM MATERIAL SPECIFICATIONS. THIS CERTIFICATION IS TO INCLUDE REFERENCE TO
BOTH MATERIAL AND COMPACTION, AND MUST STATE THAT ALL MATERIALS UNDER, AROUND, AND
ABOVE THE BARREL HAVE BEEN COMPACTED PER THE BERM MATERIAL SPECIFICATIONS (AT LEAST
95% OF MAXIMUM DRY DENSITY USING ASTM D698 STANDARD PROCTOR) WITH NO VOID SPACES
PRESENT. THE CONTRACTORS INTENT TO UTILIZE THIS ALTERNATIVE MUST BE STATED PRIOR TO
CONSTRUCTION TAKING PLACE. THIS CONTRACTORS CERTIFICATION MUST BE PRESENTED TO THE
DESIGN ENGINEER BEFORE AN AS -BUILT CERTIFICATION CAN BE ISSUED FOR THIS FACILITY.
2. CONTRACTOR SHALL PROVIDE A JOINT IN THE OUTLET BARREL NO MORE THAN 5-FT FROM THE
RISER.
BARREL PIPE CONCRETE CRADLE CONSTRUCTION SEQUENCE
1. IF OPTION A IS CHOSEN FROM NOTE 9 OF THE OUTLET STRUCTURE MATERIAL SPECIFICATIONS, THEN
BRING GRADE OF DAM EMBANKMENT TO SPRINGLINE OF PIPE ELEVATION. IF OPTION B IS CHOSEN
FROM NOTE 9 OF THE OUTLET STRUCTURE MATERIAL SPECIFICATIONS, THEN CONSTRUCT FORMWORK
FOR CONCRETE CRADLE ON EXISTING GRADE.
2. IF OPTION A IS CHOSEN FROM NOTE 9 OF THE OUTLET STRUCTURE MATERIAL SPECIFICATIONS, THEN
EXCAVATE TRENCH FOR CRADLE AND BARREL PER DIMENSIONS ON DRAWINGS. IF OPTION B IS
18"0 0-RING RCP CHOSEN FROM NOTE 9 OF THE OUTLET STRUCTURE MATERIAL SPECIFICATIONS, PROCEED TO STEP 3
BELOW.
ENDWALL PER NCDOT STD. 838.80 3 PLACE BARREL PIPE ON CONCRETE BLOCKS TO GRADE AT THIS STEP CONTRACTOR SHALL WRAP A
III I/II,
FILTER BLANKET
(SEE NOTE)
PROFILE VIEW
OUTLET BARREL VELOCITY DISSIPATER
N.T.S.
N.T.S.
DOUBLE LAYER OF NON -WOVEN GEOTEXTILE FABRIC AROUND EACH JOINT OF THE 18"0 0-RING RCP
BARREL IN 2' WIDE STRIPS CENTERED ON JOINT.
4. PLACE CONCRETE FOR CRADLE FOR EACH SECTION FROM ONE SIDE OF THE TRENCH. ALLOW
CONCRETE TO FILL ENTIRE AREA UNDER PIPE AND PIPE HAUNCHES AS TO LEAVE NO VOIDS UNDER
THE PIPE BEFORE PLACING CONCRETE ON THE OPPOSITE SIDE OF THE TRENCH. PLACE ENTIRE
CRADLE AS ONE LIFT (VERTICALLY) PER DRAWINGS.
5. CONCRETE CRADLE MAY BE ELIMINATED PER RECOMMENDATION FROM THE ON -SITE GEOTECHNICAL
ENGINEER. ANY DEVIATION FROM THIS DETAIL SHALL BE SUBMITTED TO AND REVIEWED BY THE DESIGN
ENGINEER PRIOR TO IMPLEMENTATION. IF THE CRADLE IS ELIMINATED, THEN A LETTER FROM AN NC
PE CERTIFYING THAT ALL SOIL MATERIAL UNDER, AROUND, AND ABOVE THE BARREL PIPE MEETS THE
22" LAYER
BERM MATERIAL SPECIFICATIONS IS REQUIRED.
CLASS
�OF
B RIPRAP
6. ALLOW CRADLE TO CURE FOR A MINIMUM OF 7 DAYS BEFORE ANY VIBRATING COMPACTION
4" FILTER
BLANKET
EQUIPMENT IS USED IN THE VICINITY OF THE BARREL PIPE.
7. TRENCH TO BE BACKFILLED IN 5" LIFTS WHEN COMPACTION IS BY HAND. BACKFILL IS IN 8" LIFTS
WHEN CONDUCTED BY MACHINE. MINIMUM OF 2 FEET COVER MUST BE PRESENT ON 18"0 RCP
BEFORE DRIVING OVER WITH HEAVY EQUIPMENT.
� 1 I
(MIN.)
I
18"0 0-RING RCP A.
• '• •. d,
s " ' a ; °
MIN ; t °
3000 PSI CONCRETE, OR
PER RECOMMENDATION FROM
ON -SITE GEOTECHNICAL ENGINEER
18" CONCRETE CRADLE DETAIL
N.T.S.
'J
McADAMS
The John R. McAdams Company, Inc.
2905 Meridian Parkway
Durham, NC 27713
phone [phone]
fax [phone]
license number: C-0293, C-187
www.mcadamsco.com
BODDIE-NOELL ENTERPRISES, INC.
P.O. BOX 1908
ROCKY MOUNT, NC 27802
Contact
PHONE: [phone]
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REVISIONS
NO. DATE
1
2
3
4
5
6
PLAN INFORMATION
PROJECT NO.
2021110321
FILENAME
2021110321-SW
CHECKED BY
RW
DRAWN BY
KEG
SCALE
NTS
DATE
06.21.2022
SHEET
STORMWATER CONTROL
MEASURE DETAILS
C9603
PRELIMINARY DRAWING - NOT RELEASED FOR CONSTRUCTION

STORMWATER CONTROL MEASURE 'A' PIANIING PLAN SPECIFICATIONS
LEGEND
QTY. SYM. SCIENTIFIC NAME COMMON NAME HATCH TYPE SPACING % OF TOTAL AREA PROVIDED AREA I
LOW MARSH (SHALLOW WATER, TOTAL AREA = 2,507 SF)
183 JE JUNCUS EFFUSUS COMMON RUSH 4—INCH CONTAINER 24" O.C. PROVIDED PERCENTAGE = 29% 731 SF
152 PP PONTEDERIA PECTINATUS PICKEREL WEED 4—INCH CONTAINER 24" O.C. PROVIDED PERCENTAGE = 24% 608 SF
292 ZM ZIZANIOPSIS MILIACEA GIANT CUTGRASS 4—INCH CONTAINER 24" O.C. PROVIDED PERCENTAGE = 47% 1,168 SF
HIGH MARSH (SHALLOW LAND, TOTAL AREA = 2,311 SF)
177 VH VERBENA HASTATA SWAMP VERBENA 4—INCH CONTAINER 24" O.C. PROVIDED PERCENTAGE = 30% 705 SF
213 HA HELENIUM AUTUMNALE SNEEZEWEED
0 0 17 4—INCH CONTAINER 24" O.C. PROVIDED PERCENTAGE = 37% 850 SF
189 CG CHELONE GLABRA WHITE TURTLEHEAD
4—INCH CONTAINER 24" O.C. PROVIDED PERCENTAGE = 33% 756 SF
SEEDBED PREPARATION
1. CHISEL COMPACTED AREAS AND SPREAD TOPSOIL 3 INCHES DEEP OVER ADVERSE SOIL
CONDITIONS, IF AVAILABLE.
2. RIP THE ENTIRE AREA TO 6 INCHES DEPTH.
3. REMOVE ALL LOOSE ROCK, ROOTS, AND OTHER OBSTRUCTIONS LEAVING SURFACE
REASONABLY SMOOTH AND UNIFORM.
4. PER ONE TIME ONLY, APPLY AGRICULTURAL LIME, FERTILIZER, AND SUPERPHOSPHATE
UNIFORMLY AND MIX WITH SOIL.
5. CONTINUE TILLAGE UNTIL A WELL —PULVERIZED, FIRM REASONABLY UNIFORM SEEDBED IS
PREPARED 4 TO 6 INCHES DEEP.
6. SEED ON A FRESHLY PREPARED SEEDBED AND COVER.
7. MULCH IMMEDIATELY AFTER SEEDING AND ANCHOR MULCH.
8. INSPECT ALL SEEDED AREAS AND MAKE NECESSARY REPAIRS OR RESEEDINGS WITHIN
THE PLANTING SEASON, IF POSSIBLE. AFTER PERMANENT COVER IS ESTABLISHED.
9. CONSULT CONSERVATION INSPECTOR ON MAINTENANCE TREATMENT
TEMPORARY SEEDING SCHEDULE
SEEDING DATE
JAN 1 — MAY 1
MAY 1 — AUG 15
AUG 15 — DEC 30
SEEDING MIXTURE
RYE (GRAIN)
KOBE LESPEDEZA
GERMAN MILLET
RYE (GRAIN)
APPLICATION RATE
120 LBS/AC
50 LBS/AC
40 LBS/AC
120 LBS/AC
SOIL AMENDMENTS
FOLLOW RECOMMENDATIONS OF SOIL TESTS OR APPLY 2,000 LB/AC GROUND AGRICULTURE LIMESTONE AND
750 LB/AC 10-10-10 FERTILIZER (FROM AUG 15 — DEC 30, INCREASE 10-10-10 FERTILIZER TO 1000 LB/AC)
MULCH
APPLY 4000 LB/AC STRAW. ANCHOR STRAW BY TACKING WITH ASPHALT, NETTING, OR A MULCH ANCHORING
TOOL. A DISK WITH BLADES SET NEARLY STRAIGHT CAN BE USED AS A MULCH ANCHORING TOOL.
MAINTENANCE
JAN 1 — AUG 15: REFERTILIZE IF GROWTH IS NOT FULLY ADEQUATE. RESEED, REFERTILIZE, AND MULCH
IMMEDIATELY FOLLOWING EROSION OR OTHER DAMAGE.
AUG 15 — DEC 30: REPAIR AND REFERTILIZE DAMAGED AREAS IMMEDIATELY. TOP DRESS WITH 50 LB/AC
OF NITROGEN IN MARCH. IF IT IS NECESSARY TO EXTEND TEMPORARY COVER
BEYOND JUNE 15, OVERSEED WITH 50 LB/AC KOBE LESPEDEZA IN LATE FEBRUARY
OR EARLY MARCH.
NOTE: USE THE TEMPORARY SEEDING SCHEDULE ONLY WHEN DATE IS NOT CORRECT TO USE THE PERMANENT
SEEDING SCHEDULE.
PERMANENT SEEDING SCHEDULE (DAM EMBANKMENTS)
SEEDING DATE SEEDING MIXTURE APPLICATION RATE
AUG 25 — OCT (BEST) TALL FESCUE 200 LBS/AC
FEB — APR 15 (POSSIBLE)
SOIL AMENDMENTS
FOLLOW RECOMMENDATIONS OF SOIL TESTS OR APPLY 4,000 LB/AC GROUND AGRICULTURE LIMESTONE AND
1000 LB/AC 10-10-10 FERTILIZER.
MULCH
APPLY 4000 LB/AC STRAW. ANCHOR STRAW BY TACKING WITH ASPHALT, NETTING, OR A MULCH ANCHORING
TOOL. A DISK WITH BLADES SET NEARLY STRAIGHT CAN BE USED AS A MULCH ANCHORING TOOL.
MAINTENANCE
INSPECT AND REPAIR MULCH FREQUENTLY. REFERTILIZE IN LATE WINTER OF THE FOLLOWING YEAR; USE SOIL
TESTS OR APPLY 150 LB/AC 10-10-10 FERTILIZER. MOW REGULARLY TO A HEIGHT OF 2-4 INCHES.
NOTE: PERMANENT SEEDING SCHEDULE IS FOR SLOPES OF THE BASIN, TOP OF BERM, AND BASIN FLOOR.
PLANTING INSTRUCTIONS
PLANTING TECHNIQUES
A. INSURE THAT ROOTS, ONCE REMOVED FROM POT, ARE STRAIGHTENED AND FACE
DOWNWARD.
B. CREATE PLANTING AREA FOR EACH PLANT AND EXCAVATE PIT.
C. PLACE PLANTS IN PIT INSURING ROOTS ARE FACING COMPLETELY DOWNWARD.
D. HEEL IN SOIL AROUND PLANT AND PROCEED TO NEXT PLANTING LOCATION.
E. NEWLY PLANTED PLANTS NEED TO BE FASTENED TO THE SUBSTRATE FOR THE
ESTABLISHMENT OF NEW ROOTS.
F. ROOTS SHALL BE SPREAD IN THEIR NORMAL POSITION. ALL BROKEN OR FRAYED
ROOTS HALL BE CUT OFF CLEANLY.
G. THE DIAMETER OF THE PITS FOR ALL VEGETATIVE STOCK SHALL BE AT LEAST
THREE TIMES THE DIAMETER OF THE ROOT MASS. PLANT PIT WALL SHALL BE
SCARIFIED PRIOR TO PLANT INSTALLATION.
H. SET THE PLANTS UPRIGHT, IN THE CENTER OF THE PIT. THE BOTTOM OF THE ROOT
MASS SHOULD BE RESTING ON UNDISTURBED SOIL.
I. PLACE THE BACKFILL AROUND THE BASE AND SIDES OF THE ROOT MASS, AND
WORK EACH LAYER TO SETTLE BACKFILL AND TO ELIMINATE VOIDS AND AIR
POCKETS. WHEN PIT IS APPROXIMATELY 2/3 FULL, WATER THOROUGHLY BEFORE
PLACING REMAINDER OF THE BACKFILL. WATER AGAIN AFTER PLACING FINAL LAYER
OF BACKFILL.
J. BROKEN OR DAMAGED PARTS WILL BE CUT BACK TO UNDAMAGED TISSUE, LEAVING
AS MUCH GREEN BASAL TISSUE AS POSSIBLE ABOVE THE ROOTS. IF MORE THAN
FIFTY PERCENT (50%) OF THE PLANT IS DAMAGED THEN CONTRACTOR SHALL
REPLACE THE PLANT.
CONTAINER STOCK / BARE ROOT
A. STOCK SHALL HAVE BEEN GROWN IN A CONTAINER LONG ENOUGH FOR THE ROOT
SYSTEM TO HAVE DEVELOPED SUFFICIENTLY TO HOLD ITS SOIL TOGETHER ONCE
REMOVED FROM THE CONTAINER.
B. CONTAINER PLANTS WILL NEED TO BE WATERED REGULARLY AND PLACED IN SHADY
CONDITIONS UNTIL PLANTING OCCURS.
C. BARE ROOT PLANTS ARE FOR IMMEDIATE PLANTING, OTHERWISE SEE D) BELOW.
D. IF BARE ROOTS SPECIMENS ARE NOT TO BE PLANTED WITHIN FOUR (4) DAYS,
TEMPORARY HOLDING OF BARE ROOT SPECIMENS ARE TO BE COVERED ENTIRELY BY
A SUITABLE MEDIUM (ETC. SOIL, SAWDUST, MULCH OR THE LIKE) AND WATERED
REGULARLY SO AS TO NOT DRY OUT.
PLANT LOCATIONS
A. NEW PLANTINGS SHALL BE LOCATED WHERE SHOWN ON PLAN EXCEPT WHERE
CHANGES HAVE BEEN MADE IN PROPOSED CONSTRUCTION.
B. NECESSARY ADJUSTMENTS SHALL BE MADE ONLY AFTER APPROVAL BY THE OWNER
OR THE OWNER'S REPRESENTATIVE.
WATER
WATER SHALL BE POTABLE AND SHALL NOT CONTAIN ELEMENTS TOXIC TO PLANT LIFE.
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'J
McADAMS
The John R. McAdams Company, Inc.
2905 Meridian Parkway
Durham, INC 27713
phone [phone]
fax [phone]
license number: C-0293, C-187
www.mcadamsco.com
BODDIE-NOELL ENTERPRISES, INC.
P.O. BOX 1908
ROCKY MOUNT, INC 27802
Contact
PHONE: [phone]
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�:NG I NEF'�;'' �• �:
REVISIONS
NO. DATE
1
2
3
4
5
6
PLAN INFORMATION
PROJECT NO. 2021110321
FILENAME
2021110321-SW
CHECKED BY
RW
DRAWN BY
KEG
SCALE
1"=20'
DATE
06.21.2022
SHEET
STORMWATER CONTROL
MEASURE 'A' PLANTING PLAN
C960
4
PRELIMINARY DRAWING - NOT RELEASED FOR CONSTRUCTION