SW8961004_APPROVED PLANS_19961028 (2)

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SW8 q b 10 04
DOC TYPE
❑ CURRENT PERMIT
M, APPROVED PLANS
❑ HISTORICAL FILE
❑ COMPLIANCE EVALUATION INSPECTION
DOC DATE
lagb IO 2$
YYYYMMDD

a
35.83 TP
STORMWATER
n E C E I V E
OCT 0 71996
D E M
PROJ #__
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C NSER ION 33A \
,.LOT
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\ 36.36 TP
LOT "N"
Er`-osiom Com-Lrrol amd
DEM S-Lormwa-.er Plan.
GRAPHIC SCALE
100 0 100 200 300 400
�\ \ _ \ 1
�- - � - � � " � "../�� RCP i \ 1 \ \I 1, \
20 DRAINAGE
NO� IN
EASEMENT \1
\ PROJECT ® ` \\ S C% v'� 1
\� \ 37 DRA[NAGE V I \IAA 111 11
L J vYa v j- ESEENT �I i IpI�A\Il WA TORM
AMj 111. 1 Y
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'
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30 DRAINAGE ❑ +\ \+11+111 \
EASEMENT
`1 ^Lill p` \\ \\\A \ ��� \�I 111Q1 II � � IP `,11
it \ \ \ \ \ U 1111 I n, 0\l� ` 1
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i PROJECT BOUNDARY \
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zt
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I100 \ 1+\
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It lt�l0 VA� 4
j 10 hi�u
GENERAL NOTES:
LEGEND
EXISTING ITEM
RIGHT-OF-WAY/PROPERTY LINE
EDGE OF PAVEMENT
- -W--- WATER LINE W/ VALVEW
- -s- - D SAh•[ITARY SEWER W/ MH
- -D- - STORM DRAIN D
___1 - - - - - EASEMENT
- -E- = OVERHEAD ELEC_TRfC
INLET PROTECTION
TOP OF PAVEMENT.(TP
"E
DUTHERN
FROM
TO
J.
NODE
NODE
IRTHERN POND
PIPING:
-7
I-I0
I -I
-6
I-9
1-6
-5
I-8
1-7
-4
PT
[-1
-9
I-11
1-2
-8
I-2
1-1
-3
1-1
J-2
-2
J-2
J-1
-I
J-1
FES
POND
PIPING:
-16
1-12
1-8
45
I-Il
I-10
-14
I-10
I-9
-13
1-9
I-8
-12
1-0
J-4
-I[
-1-4
J-3
-le
J-3
FES
DIA
LENGTH
SLOPE
UPPER
LOWER
(IN)
ILFI
(Xl
INVERT
INVERT
18
18
4.17
31.50
30,75
IB
18
HI
31.35
3L15
24
194
0.10
3L15
30.95
30
[64
0.12
30.95
30,75
IB
18
2.17
31.09
31.50
24
266
0.28
31.50
30.75
36
44
0.60
30.75
30.45
36
212
0.61
30.45
29.15
36
106
0.61
29.15
28.50
18
IE3
8.33
31.73
30.23
18
20
2.50
31.23
3073
24
105
0.13
30.73
30.48
30
112
0.22
30.40
30.23
30
62
0.52
30.23
29.91
36
215
0.52
29.91
20.00
36
154
0.52
28.80
28.00
I. SURVEY INFORMATION OBTAINED FROM MICHAEL UNDERWOOD
AND ASSOCIATES. P.A.; ELEVATIONS REFER TO MEAN SEAL LEVEL.
2. ALL WORK WITHIN RIGHT-DF-WAY AREAS SHALL BE IN ACCOR-
DANCE WITH NHC. STATE AND FEDERAL REOUIREMENTS.
3, ALL ROADS TO BE PUBLIC: WATER AND SEWER FACILITIES TO BE
FROM NEW HANOVER WATER AND SEWER DISTRICT.
4. STORMWATER FACILITIES (POND) TO BE CONSTRUCTED IN ACCOR-
DANCE WITH NCDEHNR STORMWATER STANDARDS. DETAILED CALCU-
LATIONS TO BE SUBMITTED TO NCDEHNR FOR APPROVAL.
5. REFER TO SHEETS 2 AND 3 FOR ADDITIONAL SEDIMENTATION AND
EROSION CONTROL_ REOUIREMENTS.
SEDIMENTATION AND EROSION CONTROL NOTES
1. ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH STATE AND LOCAL
REOU[REMENTS.
2. SUFFICIENT ERGS{ON CONTROL PRACTICES MUST BE INSTALLED AND MAINTAINED
TO RETAIN SEDIMENT WITHIN THE BOUNDARIES OF THE SITE. ALL DISTURBED AREAS
SHALL BE NON -EROSIVE AND STABLE WITHIN THIRTY (30) WORKING DAYS OR 120
CALENDAR DAYS AF TER COMPLETION OF THE ACT[VITY. WHICHEVER IS SHORTER.
3. CONSTRUCTION SEDUENCE:
INSTALL GRAVEL CONSTRUCTION ENTRANCE(S) AND SILT FENCING.
INSTALL PONDS. PIPING AND INLET PROTECTION: SEE END OF DAY DETAIL.
COMPLETE GRADING OF RIGHT -OF "JAY AREA.
STABILIZE AND SEED ALL DENUDED AREAS AND S[DESLOPES
4, MATERIALS:ICUL
A. AGRICULTURAL LIMESTONE - 2 TONS/ACRE
B. FERTILIZER - 1000 LBS/ACRE 10-10-10 va
C. SUPERPHOSPHATE - 500 LBS/ACRE - 20%
D. MULCH - 2 TONS/ACRE SMALL GRAIN STRAW
E. ANCHOR - ASPHALT EM'ULSfON ® 300 GALS./ACRE
5. SEEDING:
DATE TYPE PLANTING RATE
AUG 15 - NOV I TALL FESCUE 300 LBS/ACRE
NOV I - MAR I TALL FESCUE AND 300 LBS/ACRE
ABRUZZI RYE 25 LBS/ACRE
MAR I - APR 15 TALL FESCUE 300 LEIS/ACRE
APR 15 JUNE 30 BULLED COMMON BERMUDAGRASS 25 LBS/ACRE
JUL I - AUG 15 TALL FESCUE AND 120 LBS/ACRE
BROWNTOP MILLET". OR 35 LBS/ACRE
SORGHUM-SUDAN HYBRIDS" 30 LDS/ACRE
" TEMPORARY- RESEED ACCORDING TO OPTIMUM SEASON FOR
DESIRED PERMANENT VEGETATION. DO NOT ALLOW TEMPORARY
COVER TO GROW OVER 12 INCHES. IN HEIGHT BEFORE MOWING.
OTHERWISE FESCUE MAY BE SHADED OUT.
6. MAINTENANCE. ALL EROSION AND SEDIMENT CONTROL PRACTICES TO BE
1NRPEE1[f MND AFTER EVERY RUNOFF PRODUCING RAINFALL EVENT. NEEDED REPAIRS
WIMEDE IMMEDIATELY. TOPDRESS TEMPORARY SEEDING WITH 50 POUNDS PER ACRE
OFN[TROGEN IN MARCH. IF COVER IS NEEDED THROUGH THE FOLLOWING SUMMER.
0\ffiIREIE1MPOUNOS PER ACRE OF KOBE LESPEDEZA.
7. MAXIMUM (TRADED SLOPE SHALL NOT EXCEED THREE (31 HORIZONTAL TO ONE (1)
VEII311 ILT,SS OTHERWISE INDICATED OR DIRECTED.
B. SEEDBED PREPARATION:
A. CHISEL COMPACTED AREAS AND SPREAD TOPSOIL 3 INCHES DEEP OVER ADVERSE
SOIL_
COND[TIONS. IF APP-[CABLE.
B. RIP THE ENTIRE AREA TO A DEPTH OF 6 INCHES.
C. REMOVE ALL LOOSE ROCK, ROOTS. AND OTHER OBSTRUCTIONS LEAVING SURFACE
REASONABLY SMOOTH AND UNIFORM.
D. APPLY AGRICLLTURAL LIME. FERTILIZER, AND SUPERPHOSPHATE UNIFORMLY AND
MIX WITH
SOIL [SEE BELOWI.
E. CONTINUE TILLAGE UNTIL A WELL -PULVERIZED, FIRM. REASONABLY UNIFORM
SEEDBED IS .
PREPARED 4 TO 6 INCHES DEEP,
F. SEED 01\I A FRESHLY PREPARED SEEDBED AND COVER SEED LIGHTLY WITH SEED
LIGHTLY
WITH SEEDING EQUIPMENT OR CULT[PACK AFTER SEEDING.
G. MULCH IMMEDIATELY AFTER SEEDING AND ANCHOR MULCH.
H. INSPECT ALL SEEDED AREAS AND MAKE NECESSARY REPAIRS OR RESEEDINGS
WITHIN THE
PLANTING SEASON. F POSSIBLE. IF STAND SHOULD BE OVER 50'/. DAMAGED.
REESTABLISH
FOLLOWING ORIGINAL LIME. FERTILIZER AND SEEDING RATES.
I. CONSULT CONSERVATION INSPECTOR ON MAINTENANCE TREATMENT AND
FERTILIZATION
AFTER PERMANENT COVER IS ESTABLISHED.
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LOT 16 ',`-<>% PROJECT35
\
DITCH TO BE FILLED _ '', I' ``A, 3l \ \ \
WITHIN PROJECT AREA'
3ssz PROJECT\QOUNC9A Y:
20 DRAINAGE GRADING LMI\S
-� _ - -'o EASEMENT LIMITS �j _ - "� , \
cam, _ , �, OF GRADING ,,�jT� ,' `Ipp
m PP.
ECT BOUNDARY = 6 S \ /L
TYP
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WATER MAIN SEWER MAW
1\" (GRAVITY] / sdjs--"''''``,,A, \ LIMITAV
Taw
4 NOT IN
at\ PROJECT C
\\\ OV - ' 0 TP s, "" 1�20 DRAINAGE ",o at1` `\\ 1" ^ \ \ \ \
C\t, „I CGY :i '"' ' EASEMENTa , \
""' \ \
W\A \ POND\
34 - !�(%� - +`,»`�"+ `'�\Q� `, DEV{•'1�L`'STORM `\
/ 35.00 TP
h`d"dnM ,' \
�,
8' WATER 0
MAIN
ET
44- RCPA%.11 1\,'„t,
150 LF o ( ----- -r _ , . 36.00 TP ;,';2+ \ �\
INX
\ �,\+` , " NOT IN P CTdtU �`;,Pay,,,�.32 ,i \\ \ ,,,\ ♦ Ci \
`-*' Y LIMIr:,, OF
GRAD" lG
`t` y `V'q\''1` a'\t'\1 ' `I
`\+1 ,,,' , i„N `:. as' \ \ \ ` \ m ,dt`\ �^ LbTS TO DRAIN`\ O , © i " \, l \ \ d
\\ e\ ,`, ,'„ TO ENTERPRISE QI q „nap", \,," a WETLAND AREAS [HATCHED)
`,A\ (� 1; u11 DRIVE ONLY NOT IN �j 36.00 TP p ,1 t,,,,,,,t\ lI`\,', 1 \
\ \
All PROJECT
PROJECT
\1\``\`\ \
\,,t\ \ \\ \ i �`,� {� `yam U 35.0 TP ® D ...
PP. Y PP. 'r \
CDNSERV\A1\ION ,
A (WETLANDS)
------------- - "` Af�E \ \ \
; ,� ; -3s RCP „ {� ` \
pRppO MPRK +`1` `\ :.S`\33sY;.�.o '`.3� q.. ` r E GRAC
"`„ ` w 20' DRAINAG „ `I,,,,a , \ \ \ `
?t;,,'VAt NOT IN \ EASEMENT ;; \1� 1 \ PROJECT \„ `,\*„ ``F 7 ' 30° DRAINAGE) n„';i
\\ 1\ °\
rrqq u P, \ � \
�`�, `, ® � 'iv "�` \+. `, D M STORM
LOT -P'
, YY", d
LEGEND
EXISTING ITEM
- - RIGHT-OF-WAY/PROPERTY LINE - -
EDGE OF PAVEMENT
- -W�- WATER LINE W/ VALVE~W
-s- SANITARY SEWER W/ MH
- -D- - STORM DRAIN D
------------- EASEMENT -----------------
- -E- - OVERHEAD ELECTRIC
INLET PROTECTION -D�E)
TOP OF PAVEMENT (TP)
PIPE
FROM
TO
DIA
LENGTH
SLOPE
UPPER
LOWER
NO.
NODE
NODE
(IN)
(LF)
(%)
INVERT
INVERT
NORTHERN POND
PIPING:
P-7
I-10
I-1
16
18
4.17
31.50
30.75
P-6
I-9
I-8
18
16
1.11
31.35
31.15
P-5
I-8
I-Z
24
194
0.10
31.15
30.95
P-4
I-7
I-1
30
164
0.12
30.95
30.75
P-9
I-11
I-2
18
16
2.17
31.69
31.50
P-8
I-2
1-1
24
266
0.26
31.50
30.75
P-3
I-1
J-2
36
44
0.68
30.75
30.45
P-2
J-2
J-1
36
212
0.61
30.45
29.15
P-1
J-1
FES
36
106
0.61
29.15
26.50
SOUTHERN POND
PIPING:
P-16
I-12
I-6
16
18
8.33
31.73
30.23
P-15
I-11
I-10
18
20
2.50
31.23
30.73
P-14
1-10
I-9
24
166
0.13
30.73
30.48
P-13
1-9
I-8
30
112
0.22
30.48
30.23
P-12
1-8
J-4
30
62
0.52
30.23
29.91
P-11
J-4
J-3
36
215
O 52
29.91
28.60
P-10
J-3
FES
36
154
0.52
28.80
28.00
EASEMENT: LIMITS AtWATER R POND\ \ \
OF GRADING ;�}'%%''"`�`»"` GF2A6ING
36.00 TP "[r P" 1 f�50ND \
. G: i `�S>:11Y�-S YYL�fl11 V' �'''11`11'C t\ \
z :- 'aoa
D „ ( ; tA, 4 :'- s -� - "PROJECT LIMITSAt
\
,R6p • \ '30' DRAINAGE
EASEMENT: LIMI \ \
10 1 A ( OF GRADING - 1 \ \
36.36 TP
' �/ „
, '\ �1+ , ` _
„ ; NOT IN,' 1,, , , ;-''" ',trl, \ \
LOT TO DRAIN TO___ ' ```°, PROJECT BOUNDARY
ENTERPRISE DRIVE LOT 'IN ,;;I,\'� „`\ _;__- �'"_ �_ __ - -
OR EXISTING DITCH:%
NOT INTO TECHNOLOGY ` \ �'+ _" '
COURT SYSTEM "';;1',` `, + PROJECT BOUNDARY
p M rr,
it ,\",` \', ' \ i LOT "M" I ae ------
„' , \, ,
„\, ,,
;:-
-------------
!t
AN
,,,,(yam,
00
,,, ,
GRAPHIC SCALE
z'
100 0 100 200 300 400
GENERAL_ NDTES
1. SURVEY INFORMATION OBTAINED FROM MICHAEL UNDERWOOD
AND ASSOCIATES. P.A.: ELEVATIONS REFER TO MEAN SEAL LEVEL.
2_ ALL WORK WITHIN RIGHT-OF-WAY AREAS SHALL BE IN ACCOR-
DANCE WITH NHC, STATE AND FEDERAL REQUIREMENTS.
3. ALL ROADS TO BE PUBLIC: WATER AND SEWER FACILITIES TO BE
FROM NEW HANOVER WATER AND SEWER DISTRICT.
4. STORMWATER FACILITIES (POND) TO BE CONSTRUCTED IN ACCOR-
DANCE WITH NCDEHNR STORMWATER STANDARDS. DETAILED CALCU-
LATIONS TO BE SUBMITTED TO NCDEHNR FOR APPROVAL.
5.. REFER TO SHEETS 2 AND 3 FOR ADDITIONAL SEDIMENTATION AND
EROSION CONTROL REQUIREMENTS.
SEDIMENTATION AND EROSION CONTROL NOTES
1. ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH STATE AND LOCAL
REQUIREMENTS.
2. SUFFICIENT EROS7 N CONTROL PRACTICES MUST BE INSTALLED AND MAINTAINED
TO RETAIN SEDIMENT :WITHIN THE BOUNDARIES OF THE SITE. ALL DISTURBED AREAS
SHALL BE NON -EROSIVE AND STABLE WITHIN THIRTY (30) WORKING DAYS OR 120
CALENDAR DAYS AFTER COMPLETION OF THE ACTIVITY. WHICHEVER IS SHORTER.
3. CONSTRUCTION SEQUENCE:
INSTALL GRAVEL CONSTRUCTION ENTRANCES) AND SILT FENCING.
INSTALL PONDS. PIPING AND INLET PROTECTION: SEE END OF DAY DETAIL.
COMPLETE GRADING OF RIGHT-OF-WAY AREA.
STABILIZE AND SEED ALL DENUDED AREAS AND SIDESLOPES
4. MATERIALS: P ! D
A. AGRICULTURAL LIMESTONE - 2 TONS/AI RE 1 ��
I' '�'( P1ttNTRL
B. FERTILIZER - IBEX LBS/ACRE 10-10-10 Coy
C. SUPERPHOSPHAZ G - 500 LBS/ACRE - 20x c" •,.,lun �, rr,4;? NiALKA� MMAGEMENT
D. MULCH - 2 TONS/ACRE - SMALL GRAIN STRAW Date /4 A1aV 1s91a
E. ANCHOR - ASPHALTEMULSION''a 300 GALS./ACRE
Stormvata, i agi4ira5o•, No- �'QCO/(�'
5. SEEDING:
DATE TYPE PLANTING RATE
AUG 15 - NOV 1 TALL FESCUE 300 LBS/ACRE
NOV 1 - MAR 1 TALL FESCUE AND 300 LBS/ACRE
ABRUZZIRYE 25 LBS/ACRE
MAR 1 - APR 15 TALL FESCUE 300 LBS/ACRE -rl) � , I r q
APR 15 - JUNE 30 HULLED COMMON BERMUDAGRASS 25 LBS/ACRE �` ;
JUL 1 - AUG 15' TALL FESCUE AND 120 LBS/ACRE 0.4 � ii.UC4
BROWNTOP MILLET", OR 35 LBS/ACRE
SORGHUM-SUDAN HYBRIDS" 30 LBS/ACRE n E C E 1 V E
TEMPORARY - RESEED ACCORDING TO OPTIMUM SEASON FOR u OCT 2 81996
DESIRED PERMANENT VEGETATION. 00 NOT ALLOW TEMPORARY
COVER TO GROW OVER 12 INCHES IN HEIGHT BEFORE MOWING. D
OTHERWISE FESCUE MAY BE SHADED OUT. PROJ #
6. MAINTENANCE: ALL EROSION AND SEDIMENT CONTROL PRACTICES TO BE
INSEEKTED�ND AFTER EVERY RUNOFF PRODUCING RAINFALL EVENT. NEEDED REPAIRS
WIMI9DE IMMEDIATELY. TOPORESS TEMPORARY SEEDING WITH 50 POUNDS PER ACRE
OMITROGEN IN MARCH. IF COVER IS NEEDED THROUGH THE FOLLOWING SUMMER,
OVE RG®POUNDS PER ACRE OF KOBE LESPEDEZA.
Z. MAXIMUM GRADED SLOPE SHALL NOT EXCEED THREE (3) HORIZONTAL TO ONE (1)
VERFK= OTHERWISE INDICATED OR DIRECTED.
8. SEEDBED PREPARATION:
A. CHISEL COMPACTED AREAS AND SPREAD TOPSOIL 3 INCHES DEEP OVER ADVERSE
SOIL
CONDITIONS. IF 'APPLICABLE.
B. RIP THE ENTIRE AREA TO A DEPTH OF 6 INCHES.
C. REMOVE ALL LOOSE ROCK. ROOTS. AND OTHER OBSTRUCTIONS LEAVING SURFACE
REASONABLY SMOOTH AND UNIFORM.
D. APPLY AGRICULTURAL LIME. FERTILIZER. AND SUPERPHOSPHATE UNIFORMLY AND
MIX WITH
SOIL (SEE BELOW).
E. CONTINUE TILLAGE UNTIL A WELL -PULVERIZED. FIRM, REASONABLY UNIFORM
SEEDBED IS
PREPARED 4 TO 6 INCHES DEEP.
F. SEED ON A FRESHLY PREPARED SEEDBED AND COVER SEED LIGHTLY WITH SEED
LIGHTLY
WITH SEEDING EOUIPI`1ENT OR CULTIPACK AFTER SEEDING.
G. MULCH IMMEDIATELY AFTER SEEDING AND ANCHOR MULCH.
H. INSPECT ALL SEEDED AREAS AND MAKE NECESSARY REPAIRS OR RESEEDINGS
WITHIN THE
PLANTING SEASON. IF POSSIBLE. IF STAND SHOULD BE OVER 60% DAMAGED.
REESTABLISH
FOLLOWING ORIGINAL LIME. FERTILIZER AND SEEDING RATES.
I. CONSULT CONSERVATION INSPECTOR ON MAINTENANCE TREATMENT AND
FERTILIZATION
AFTER PERMANENT COVER IS ESTABLISHED.
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C ENTRANCE DETAIL
FLARED El
(WHERE IN
APRON LENGTH ILI - SEE BELOW
SECTION A -A
NOTES:
1. D = 1.5 TIMES THE MAXIMUM STONE DIAMETER BUT NOT LESS THAN 6-.
2. IN WELL-DEFINED CHANNEL. EXTEND APRON UP THE
CHANNEL
BANKS
TO AN ELEVATION OF 6- ABOVE THE MAX. TAILWATER DEPTH OR
THE
TOP OF THE BANK. WHICHEVER IS LESS.
3. FILTER FABRIC SHALL BE INSTALLED BETWEEN THE RIP RAP
AND SOIL.
PIPE NCDOT APRON LENGTH (L)
LOCATION STONE INLET
OUTLET
ENTERPRISE N CULVERT CLASS A 6
8'
ENTERPRISE S CULVERT CLASS A 4.5'
6'
NORTH POND INLET CLASS B 9
18'
NORTH POND OUTLET CLASS B 6'
12'
SOUTH POND INLET CLASS B 9
IB'
SOUTH POND OUTLET CLASS B 6
l2
MAIN DITCH CROSSINGS CLASS 1 12
24'
RIP -RAP DETAIL__
n
u
NOT TO SCALE
PLAN
1'-6- OR
2'-0"
N
m
GUTTER DETAIL.
SEE THIS SHEET
RAME & GRATE. ENNIS
BROS. 18`X36` OR 24-X36` AS
REOU'D BY OPENING: GRATE
SHALL BE NCDOT APPROVED
8- RIES 8
4'
#4 BARS a 12" O.C.. E.W.
SECTION
E CATCH BASIN DETAIL
LIB WIRES MIN.
0112--112 GAbff
NOTES
GATHER EXCESS
AT CORNERS
FABRIC. ALL SIDES
r 2` X 4" WOOD FRAME
INLET STRUCTURE
m
n INLET PROTECTION
DETAIL
VARIES AS DIRECTED BY ENGINEER /l0' MAXI
TOP STRAND MIN. o/0 GAUGE STAY WIRES MIN #k'-112 GAUCE
\\\
BOTTOM STRAND MIN 010 GAUGE
1. WIRE SHALL �E A MINIMUM OF 32 IN
WIDTH AND SHALL HAVE A MINIMUM OF 6
LINE WIRES W112" STAY SPACING
2 FIL TER FAB?IC SHALL SE A MINIMUM OF
36' IN WIDTH AND SHALL BE FASTENED
AOEOUATEL Y TO THE WIRE AS DIRECTED
BY THE ENGINEER
3. STEEL POST SHALL BE 5 0" IN HEIGHT
AND BE OF SELF FASTENER ANGLE
STEEL TYPE
4 WOOD POSTS SHALL HE A MINIMUM OF 6'
IN HEIGHT AND 3" OR MORE IN DIAMETER
WIRE FA�PIC SHALL SE FASTENED TO WOODEN
POST WITH NOT LESS THAN #'9 WIRE STAPLES
1-112" LONG
STEEL D? WOOD POST
GROUND LINE
FIL TER FABRIC
FILL SL6FE
ti
FOOTING
PLAN
STANDARD MANHOLE
FRAME AND GRATE
3-#4 BARS
TYP. 4 SIDES
BRICK. BLOCK
CMU OR PRECAST
OUTFLOW PIPE -�
36` DIA (MAX)n\,
GROUT
M.
OPENING AS REQUIRED
FOR TOP
IL
LID
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u.
U
m
E�AA%\p 12` O.C. SECTION r6- CRUSHED STONE
L�STORM DRAIN MANHOLE DETAIL
NOT TO SCALE
60• LIN'ITS OF CONSTRUCTION
40' RIGHT-OF-WAY
10. UTIL. 10 UTIL.
EASEMENT EASEMENTI
1 6• 26' B-B 6' 1'
/2 2./FT
114 /FT. I/4- /FT. 1/2 /FT. SLOPE:
3H:1V MAX.
v z m —
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SEWER
5 CURB & 5.
MAIN GUT"ER WATER
MAIN
SECTION
A NOT TO SCALE
12-
STANDARD DETAIL ' W °
GUIDELINES FOR o
Fz _R/L DRRY SIL T \\ ANCHOR FIL TER FAS?IC
G FENCE OET�9IL \\ cuRe oCALE
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e" 24" 8"
in
4-INCH DIA PVC PIPE W/ SCREENED CAP.
DRILLED ORIFICE DIA = 3.9-INCHES
"0# ixxxxxxxxxj NOTE:
TRASH SCREEN TO BE #4 REBAR a 6`
TRASH SCREEN O.C. +- E.W.: WELDED TO 3x3x1/8 ANGLE
FRAME: HOT DIP AFTER FABRICATION
PLAN BRICK. BLOCK OR CMU
SECURED TO BOX
TOP OF OUTLET: 32.00
9 I" STORAGE REOMT.: 31.74
OUTLET , � ; '
❑ .pL
INVERT 1 -
Q i ORIFICE INVERT: 31.00
i—� 6_ ' t. \ EE DETAIL J FOR POND SECTION
�— WORKING DEPTH: 28.00
u4 BARS a 12" O.C.. E.W. FOOTING SEDIMENT STORAGE
EXCAVATED DEPTH: 27.50
SECTION
NORTHERN POND OUTLET
r-A
i�
24-
NOT TO SCALE
TOP OF POND
ELEV. 35.0 (TYP)
SEED AND STABILIZE
SIDESLOPES
1
Lv_
6' a 6H/IV
3
DESIGN
SURFACE ELEVATION
1 L—
POND BOTTOM REO•D
3
NORTHERN
SOUTHERN
BASIN
BASIN
OVERDEPTH
DESIGN SURFACE ELEV.:
32.00
32.00 m
ALLOWANCE
POND BOTTOM ELEV.:
28.00
27.75
FOR SEDIMENT
POND EXCAV BOTTOM
27 50
27 25
STORAGE. 6" MIN.
FOREBAY BOTTOM: 28.50 28.00
POND SECTION
J NOT TO SCALE
PVC PIPE W/ SCREEN
DIA = 3-INCHES
mf NOTE:
TRASH SL REEN TO BE n4 REBAR a 6"
TRASH SCREEN O.C. +- EA.. WELDED TO 3x3x1/8 ANGLE
PLAN BRICK. BLOCK OR CMU FRAME: HOT DIP AFTER FABRICATION
SECURED TO BOX
TOP OF OUTLET: 32.00
CO I- STORAGE REOMT.: 31.85
OUTLET t
❑ \ INVERT 1
CD + ORIFICE INVERT: 31.00
�— 6" ; "(• \ nj EE DETAIL J FOR POND SECTION
WORKING DEPTH: 27.75
4 BARS a 12" O.C.. E.W. FOOTING \ SEDIMENT STORAGE
EXCAVATED DEPTH: 27.25
SECTION
36" RCP LAID
BELOW POND
INLET
,e{,\\\\,1 s
+ ` \,
em
P.P.,` \ P.P.
IP-RAP LINED SPILLWAY.
m \ \ \ 20' WIDE. INV 31.0: CLASS B
STONE W/ FILTER FABRIC
\ ` LINER
1
1
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ll
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1
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RIP -RAP LINED SPILLWAY. 20' WIDE. INV 33.0: CLASS B ""+\ \
STONE W/ FILTER FABRIC +`\\\'',`„ \`
LINER
t� \+1,\, 11,
tl
i „� 111 \1 ,, ,, 1 \1 \
It,\ It ,\
i
H
24" DIA RCP It
'
60 LF a 1.67x
36" RCP LAID
BELOW POND
INLET
30• DRAINAGE
EASEMENT
RIP -RAP LINED SPILLWAY—.
20• WIDE. INV 33.0: CLASS B 24" RCP
STONE W/ FILTER FABRIC 60 LF a
LINER \ ,
zz, \ \
1 ` \
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,
\ 32A \ \ \
NORTHERN r O N D PLAN
GRAPHIC SCALE
0 50 100 150 200
\ \
LINED SPILLWAY.
20- WIDE
20• WIDE. INV 31.0: CLASS B
\ STONE W/ FILTER FABRIC
LINER
,
\ \\ \\
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7
,
\
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SOUTHERN POND OUTLET
NOT TO SCALE
I
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