98-09, rev. 11-14-07 Oversized Plans

6.82
1 RELEASE FOR PERMITS
2 NCDENR COMMENTS
3 NCDENR COMMENTS
NO. DESCRIPTION
JKA
1/15/07
JKA
8122107
JKA
11/14/07
BY
DATE
i
1`���e�cutttt»ts
\ 16LF 18' RCP
0 � \ (1) FES
ENLARGED VIEW - STORMWATER RETENTION POND 2
SCALE 1 "=30'
C TO AI7 C` nA00 / / nn- �DRED
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BASIN BENCHMARK = 6.50' TOP OF STRUCTURE
TOP OF RISER/CREST = A /
TOP OF WEIR = B
30" CMP RISE
INVERT ORIFICE = C (PERMENANT POOL ELEV)
TnD nF r'nNnRFTF = n / .p
'U
IA `
d
d
n
d d d
A
4
a da
d .da o_0
a
a vd
a o
PROVIDE FIRM AND STABLE
SUPPORTING AREA FOR RISER
AND CONCRETE ANCHORAGE
5' SQUARE
IS7M.n1
TRASH SCREEN
#5 REBAR @ 4" O.C. E.W.
3" WIDE x 1/4" THICK METAL
STRAPS 24" O.C. ANCHORED
IN CONCRETE 12" MIN.
1' (TYPICAL OF 4)
6" DIA. INLET PIPE
CONTINUOUSLY WELDED
TO RISER .
INLET PIPE = E
HARDWARE CLOTH AND -
STAINLESS STEEL STRAP
11
ANCHOR 30" CMP RISER IN
CONCRETE SLAB. PLACE CONCRETE
INSIDE OF RISER TO ELEVATION D
1 OUTLET STRUCTURE
C9 C9 NOT TO SCALE
3
1
F-
a t
p
p
p
a p �
Q p
- 24" CMP OUTLET PIPE
LF 24" CMP OUTLET PIPE
l' o
PORTABLE PUMP TO BE USED,
TO EMPTY POND FOR MAINTENANCE
ACTIVITIES /
i
PROVIDE PLANTINGS SPECIFIED AROUND
FULL POND PERIMETER (10 FOOT STRIP)
LEGEND S SEWER LINE
W WATER LINE RCP REINFORCED CONCRETE PIPE
D RCP +27 O PROPOSED SPOT ELEVATION (GRADE
EVENLY BETWEEN SPOT ELEVATIONS)
SILT FENCE 0 SEDIMENT TRAP L 0
C9 C16 `� j DROP INLET C9 Cl6 C9 C16
OUTLET PROTECTION H N VALVE & VALVE BOX A
C9 C16 C9 C17
SCOUR HOLE I O PERMANENT 2' BLOWOFGC91
C9 C1
CHECK DAM 1" WATER SERVICE C
C9 C17
C9 C16
NOTES:
1. SEE
DETAILS A, B & E, SHEET
C16 FOR TYPICAL ROAD DETAILS.
2. SEE
DETAIL C, SHEET C16 FOR
NEW PAVEMENT SECTION.
3. SEE
DETAIL D, SHEET C16 FOR
SIDEWALK CONSTRUCTION.
4. REVEGETATE ALL DISTURBED AREAS
IN ACCORDANCE
WITH
THE PROJECT VEGETATION
PLAN, SEE
DETAIL M, SHEET C16.
5. SEE
DETAIL H, SHEET C17 FOR
TYPICAL TRENCH SECTION.
h'Y�
FIRE HYDRANT D
C9 C17
1" SEWER SERVICE
F
C9 C17
THRUST BLOCK E
\ PRECAST MANHOLE
C
C9 C17
C9 C17
DRAINAGE STRUCTURE SUMMARY '
jSj
STATION
RIM
INVERT
REMARKS
1
2+00
13.5
11.4
CURB INLET I
2
2+00
13.5
11.2
CURB INLET
3
0+53.61
12.9
10.7
CURB INLET
4
0+53.61
12.9
10.5
CURB INLET
5
7+80.75
13.0
10.0
CURB INLET
6
7+80.75
13.0
9.8
CURB INLET
7
5+50
14.0
11.2
CURB INLET
8
5+50
14.0
11.0
CURB INLET
9
-
14.5
9.1
DROP INLET
10
-
14.5
8.2
DROP INLET
11
-
14.0
9.6
DROP INLET
12
-
14.0
8.4
DROP INLET
13
4+81.91
8.6
5.3
CURB INLET
14
4+81.91
8.6
5.1
CURB INLET
15
8+30
5.8
5.0
CURB INLET
16
8+30
5.8
6.0
6.0
4.8
1 CURB INLET
17
1+53.70
4.3
CURB INLET
18
1+53.70
4.1
CURB INLET
revisions
SURFACE AREA @ PERMANENT POOL = 21,031 SF
� ELEVATION=4.5' SURFACE AREA @TEMPORARY POOL = 25,203 SF
SAFETY LEDGE SAFETY LEDGE ELEVATION=4.5'
TEMPORARY POOL ELEVATION = 5.1'
ELEVATION=3.5' S �\ _ _ ELEVATION=3_5' _ _ 1
1 - - - - - -ELEVATION=3.0' - - - PERMANENT POOL ELEVATION = 4.0 -
3 0 J 3
1 � FOREBAY ELEVATION= -4.0' 1 1 10
10' 2 2 � POND BOTTOM ELEVATION= -4.0' � 1
2 2 To' -
PROVIDE 4.5' DIA. ANTI -SEEP
COLLARS CONTINUOUSLY
WELDED TO BARREL
@ 20' O.C.
If
3' WIDE x 18" THICK CONCRETE
ANCHORAGE FOR PIPE
SECTION
OUTLET STRUCTURE ELEVATION CHART
A B C D E E ORIFICE (0)
POND 2 6. 5' 5.1 ' 4. 0' ` . 0' 3. 0' 1. 0' 2. 5"
PERIMETER SHELF PLANTING LIST
SCIENTIFIC NAME
COMMON NAME
SIZE
IRIS VIRGINICA
BLUE FLAG IRIS
LARGE PLUG
PELTANDRA VIRGINICA
ARROW ARUM
LARGE PLUG
SAGITTARIA LANCIFOLIA
BULLTONGUE
LARGE PLUG
SAGITTARIA LATIFOLIA
DUCK POTATO
LARGE PLUG
SPARGANIUM AMERICANUM
BUR-REOD
LARGE PLUG
ZIZANIOPSIS MILIACEA
WATER MILLET
LARGE PLUG
PROVIDE A MINIMUM OF 3 OF THE ABOVE LISTED SPECIES IN EQUAL NUMBERS.
INSTALL PLANTS AT 18" OC IN ALL DIRECTIONS. DISTRIBUTE SPECIES EVENLY
REFERENCE: COASTAL PLAIN CONSERVATION NURSERY, INC.
3067 COMMERCE DRIVE
EDENTON, NC 27932
[phone]
STORMWATER DETENTION POND CROSS-SECTION
NOT TO SCALE
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