SW6101102_APPROVED PLANS_20111104

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SW
DOC TYPE
❑ CURRENT PERMIT
APPROVED PLANS
❑ HISTORICAL FILE
❑ COMPLIANCE EVALUATION INSPECTION
DOC DATEQ�!
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D1-30 CONSTRUCT MAN
L
EXISTTNG 18" STORM PI
RIM = 3((08.00)V INV. IN �.
INV. OUTN(E)301.16 301.00
1
D2-20 CURB 1NL
INV. IN = 301..90
INV. IN (6") = 303.50 \�
INV. OUT - 301.90
30 LF OF 18" STORM
PIPE AT 0.10%
.i
0 15 30 60 9 D2-10 CURB INLET
GRATE = 306.25
INV. IN = 301.87
SCALE IN FEET INV. OUT = 301.87
INV=298.12 08" CONNECTION
1" = 30' TO INFILTRATION PIPE)
NOTE: STORM PIPE SHALL INSPECTION MANHOLE
BE HDPE OR RCP TOP=307.00
INV=293.37
30 LF OF 18" STORM
PIPE AT 5.40%
O INSPECTION MANHOLE j
TOP=310.40
INV=296.37
SEE DETAIL
CS) 1
4
120 LF OF 18" STORM J
PIPE AT 0.08%
OUTLET CONTROL STRUCTURE
INSIDE MANHOLE. SEE DETAIL
TOP=314.00
INV.=302.00
FRENCH DRAIN TO
CONNECT TO 6" NON
PERFORATED PIPE
UPON DIRECTION OF
GEOTECHNICAL ENGINEER
DEPENDING ON SIT E Ct , tA3
CONDITIONS
I
2
6" PVC DRAIN TO 1
BOOTWASH 11
I
i
12" ROOF DRAIN ON 1.0% MIN. jl
SLOPE. SEE ARCH PLANS FOR 1
DOWNSPOUT LOCATIONS I
�1
$1
gQFRENCH DRAIN 1
(SEE DETAIL SHEET)
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FRENCH DRAIN 1
INV. = 316.00
-_ _ 1
c
f I
D66-20YARD INLET xl
GRADE/GRATE ELEV. = 317.50 ti
INV. OUT = 314.50
0
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127 LF OF 18" STORM
PIPE AT 1.96% Qo��l
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N N N
e
3
tr
2 3
1311 MANHOLE C . ` C -
RIM
INV. IN = 299.10
INV. OUT = 299.10 24" ST°ORM PIPE 4 162 LF OF 24" STORM
AT PIPE AT 1.24%
SEE
31g
uo
�i
6" PVC DRAIN TO
I BOOTWASH
-12" ROOF DRAIN
CLEANOUT
C�
SD
0-1 �--�
SMALL POND OUTLET
CONTROLSTRUCTURE.
SEE DETAIL
INV.=300.00
45 LF OF 18" STORM PIPE
AT 1.10%
CONNECT 18" STORM PIPE TO PARKING
DECK DRAIN SYSTEM WITH 2-WAY CLEANOUT
PLANS BY OTHERS
D4-10 GRATE INLET
GRATE ELEV. = 305.75
INV. IN = 302.50
INV. OUT=301.87
INV. = 298.12 (18" CONNECTION TO
INFILTRATION PIPE)
INSPECTION MANHOLE /
TOP=306.00
INV=293.37
D3-20 YARD INLET
THROAT ELEV. = 313.50
INV. 12" IN=311.00
INV.=302.00
CONNECT TO DETENTION PIPE
WT BARRACKS
FFE = 320.00
INV. OUT =
1
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c9
I 31
D5-70 Y RD INLET
THROA ELEV. = 318.
w U- INV. QUIT = 314.50
c.D
D6-100 YARD INLET
GRATEIGRADE ELEV. = 317.50
l INV. IN = 314.00
INV. OUT = 314.00
H.Q.
FFE = 320.00
in _ 77-1 F
14LF OF 18" STOR ;
PI AT 2.14%
IL,_ - - - - - - - - - --
PE AT
i
4
4 5
CON UCT NEW 249 ONNECTION4c3 °'� /,Al � 29 �20,
€ .WIAQ_ST@RM- 61CT1lRF.-CA _ 2
-- �.
--EXIS7IN%�TORI�A PTPE�ONflECTCON ( ; (8
NEW INV. IN = 296.79 I 2 9 6� 44;
EXISTING INV. OUT = 296.69 I
--------- ---
-30 _._
43 LF OF 24" STORM
PIPE AT 0.49%
D1-10 MANHOLE
RIM = 306.00
INV. IN (W) = 297.10
INV. OUT (N) = 297.00
D5-00 MANHOLE
TOP=318.00
INV=302.00
CONNECT TO DETENTIO
126 LF OF 24" STORM
PIPE AT 4.30%
8" PERFORATED
FOUNDATION DRAIN
D5-05 YARD INLET
THROAT ELEV. = 316.00
INV. OUT = 307.43
7 ----_ J
117LFOF2 RM
PIPE AT 1.00%
318
UNDERGROUND DETENTION.
MANHOLE SEE DETAILS FOR EXACT SIZE
TOP=319.00 AND LAYOUT
INV=302.00
CONNECTTO
DETENTION PIPE
6" PVC DRAIN TO
BOOTWASH
BOOTWASH
TWASH
1
331�312.E
T = 312.66
-318-
15217
PIPE
O tf OF 24
PEAT T 0.25%
c;J
CA 6" PVC DRAIN TO
I BOOTWASH
0
50 LF F�8" STORM
E A 1.01 % I D5-40 MAN OL
RIM = 318.92
INV. IN = 31 .2$
INV. OUT = 12.
1 1 D6-110 YARD INLET
GRATE/GRADE ELEV. = 317.50
I I INV. OUT = 314.50 I
H.Q.
FFE = 320.00 a
a
- -r---- ---�- -
1.
CD
G�
^r jj; S9
�G 00
IlMITI l I0 MANHOLE
IM IN (S)1 308.80
INWI. OUT (W) = 308.60
US ARMY CORPS
10 OF ENGINEERS
co SAVANNAH
B.L. Harbert
International, LLC
820 Shod"a Crook Parkway
Birmingham. AL 35209
P,.n 205-802-2B00
N
(&
-
6" PVC DRAIN TO
x t
BOOTWASH
I`
17 LF OF 24" STORM
I PLEAT 1.05%
I
1
1 St✓6101(0 Z
t2/iN`a
S-lol-�y
v 0
I
15-20 ARD INLET
x
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HROA ELEV. = 317.00
4 V.INI=310.61
1 NV. OUT = 310.61
I 1z
JimJAIL
L t11
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1 10
I;
1 LF F 24 o�TORM
30. +
-
0 8 OliANHOLE318.50
Cx
s'6 N W)=312.00
---------- .____ I S = 312.54
1.IN . O'��)(N) = 312.00
73 LF
7si" �xl ORM
1 PIPE AT2.01%
1
j
1 Doi-iTYARD INLET
OAT ELEV. = 317.50
f /f1NV. IN = 314.00
INV. OUT = 314.00
r � 1
CA --
1
LF OF 18" STORM
PIPE 0.L
1 f -- c x
-7` ---- - - - - --
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SUGNSPECSS
ENMEERS SW
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PLATE
REFERENCE
NUMBER
CS-101-R4
SHEET 31 OF 46
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3 GRATE ELEV. = 318.50
GRADE ELEV = 317.50
INV IN = 312.00
INV OUT = 312.00
BIO RETENTION POND #6
71'X 10'X VDEEP
WITH 2-6"iUNDERDRAINS
SEE SHEET DT 100 FOR DETAILS
98 LF 18" STORM
PIPE AT4.10%
D6E- 10 YARD INLET
THROAT ELEV. = 315.5
INV OUT=311.50
44 LF 18" STORM
PIPE AT 5.61 %
2 3 4 5
D6-90 BIO RETENTION YARD INLET
- - - - - - - - - - - -- - - - - - - - - - -
D5B-20
GRADE ELEV = 316.50 YARD INLET
f mot. INV IN (N) = 311.00 i THROAT ELEV. = 317150 it"n
x
H.Q. INV. IN (E) = 311.00 INV OUT 315.00
Af
t 1 1 INV OUT (S) = 311.00
1 4, H.Q. Jill
8
FFE 320.00 47 LF 1" STORM FFE 320.00
t PIPE AT 5.35%
t ETI D6D-10 BIO RETENTION YARD I
NIL
A 11H 97 LF 19'r9TOR GRATE ELEV. = 317.50 t
F, -PIPEAT1.03% I JGRADE ELEV--= t _31 6.50
i "7� X
INV OUT 313.50
z
zz
BIO kETENTION POND #4
z 90 ,)q?2 'Xj'DEEP z ----
U, D�,KDKAINS
lBIO RETENTION POND #7 & f8
ITH S-6 IN
SEE SHEET DT,,,100 FOR DETAIL 64!,X,16'X 1'DF-EP
z WITH 2-6" UNDERDRATNS
S E,,SHEET--DT-j.oD DETAILS z
- - ------------
J OF EXISTING COMM ELECTRICAL
z AP E I ION
0
z OF EXISTING CO M ELECTRICAL
- --- - ---------
. .... ...... ....
7.50
-aG-RIO RETENInQN YARD INLET
it
ELEV 316. G L6M
I V. Nj(N =310.00
-7 ----- - V.111NIE =310.00 �V
D6-60 MANHOLE
'fT (W) 310.00
TOP 317.90(+/-) NV. 10L
. .. ......... .
INV IN(E)=307.00 t
t INV IN(N)=309.25
J
INV OUT=307.00 D6C-10 BIO RETENTION YARD INLET
GRATE ELEV. = 316.50
128 18" S�TO. M GRADE ELEV 315.50
61 LF 24"' STORM
PIPE AT 1.56 o 104 LF 18" STORM
INV OUT= 311.04
PIPE AT 1.65% H
DIDC: AT 'i nnO/
D6-70 BIO RETENTION YARD INLET
GRATE ELEV. = 317.50
GRADE ELEV = 316.50
INV. IN $08.00
INV. IN QE:308.00
INV OU W);',:308.00
163 LF 24" STORM
PIPE AT 1.07%
D6-50 MANHOLE
TOP ELEV.'Iz;'= 316.00(+/-)
INVJIE�
N N ="05'2
INV 8.0
INV 0U f)=30'
71 LF 24" S,;OkM
PIPE A7 %
D6-40 MANHOLE
TOP=312.50
INV IN=304.5�/
INV OUT=304.50
155 LF 24" STORM
PIPE AT 2.26%
D6-30 CURB INLET
GRATE ELEV. = 305. 69
INV IN=301.00
INV OUT=301.00
YARD INLET
THROAT ELEV. = 303.25(+/-1
EXTEND EXISTING STORM 141PE
16 LF TO NEW INLET. MATCH,
EXISTING PIPE GRADE.
REMOVE CATCH BASIN
Q-,T)
Ix
x
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40 LF 24" STORM
PIPE AT 1.25%
D. F.A. C.
11 SO'
it
LAJ
S.F.A.C. FFE = 318-50
FFE 318-50 j
it
BIO RETENTION POND #3
1310 RETENTION POND #5
J
L -J�77 60'X 20'X V DEEP 105'X 28'X VDEEP I I j z
----WITH 2-6" UNDERDRAINS WITH 4-6" UNDERDRAINS
SfE SHEET DT 100 FOR DETAHILS- SEE SHEET DT 100 FOR DETAILS
3-
41 YARD I LE-f D7- RETENTION
co
f G E I 'EV. = 317.50
G EV = 316.50
........ . .
1 00
b 7
2 L LL
BIO RETENTION POND #1
21'X 60'X -DEEP-,-.---- 6
-BO-U'NDERDRAINS 18" STOR
tTH2
SEE SHEET DT 100 FOR DET
AILS` e ( JE AT 7.61 % it
. . .....
- - ----- . ....... 3
tt\
z
--- - ------------ - --
D7-30 GRATE INLET
tFr GRATE ELEV. = 312.50
INV. IN = 308.00
401 . ........ INV. LIT 308.00
6A--10'BIO RETENTION YARD INLET BIO RETENTION POND #2 . . .... ... . ........ . ... .. s S\ ...... .... .
lx
THROAT ELEV. = 314.50
GRADE ELEV 57'X 27'X VDEEP p t 313.50 WITH 4-6" UNDERDRAINS
. . . ........... SEE SHEET DT 100 FOR DETAILS
111 LF 24" STORM
PIPEAT3.72%
i
IPE AT 3.23% -.--A25LF OF 24" PERFORATED I FILT 11
PERVIOUS SURFACE PIPEME-
,SEE ,,SHEET-.DT,.1-04-,,,,-..--, D7-20 CURB INLET (SEE DETAIL)
FOR DETAILS GRATE ELEV. = 308.42 JAB' 8 2 0111
PERVIOUS SURFACE/INFILTRATION INV. IN = 303.86
SEE SHEET DT 104 FOR DETAILS INV. OUT = 303.86
INV. = 301.36 (INFILTRATION PIPE)
OUTLE NTROLMUCTUREPERVIOUS SURFACE
-
SEE DETAIL SHEET FOR DETAIL 92 LF 24" STORM
PIPEAT4 ?00/c
3 0 9 A 8" PERFORATED HDPE
SZDGNSPECIS
SSSYSTIMESS
SSUSERNAMESS
USARMY CORPS
OF ENGINEERS
SAVANNAH
B.L. Harbert
International, LLC
H2O S1.d.. Cl..k P.lk-.,
Bi,lngham, Al 35209
Phn 205-802-2800
)CIVIL CONSULTANTS of AL INC.
35a Vann .,k Suite 105
B U4 AL 35235
p
K-(t2051655-l"I
.. ) 554366
ENGINEER'S SEAL
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PLATE
REFERENCE
NUMBER
CS-102-R3
SHEET 32 OF 46
I I . I'- , -, --- - - 'IA

97
2
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LI
107
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11
DETENTION
POND 1
�e
CONTROL
STRUCTURE
1.17AC
BYPASS
AREA 1 �?
0.23 ac imd=T
PERVIOUS ASPHALT
PAVEMENT WITH
STORM RECHARGE BED
b
x°S
PERVIOUS ASPHALT
NOTE:
ALL BASINS LABELED
"BIO-R" ARE BIORETENTION
CELLS. SEE DETAIL SHEETS
FOR CROSS SECTIONS,
UNDERDRAINS AND OTHER
DETAILS.
EXISTING
IMPERVIOUS
AREAS
PROPOSED IMPERVIOUS AREAS
AREATREATED
WITH BMPS
AREA BYPASSING
BMPS
BASIN 1
1.85 AC
2.28 AC
1.93 AC
BASIN 2
0.51 AC
3.10 AC
0.13 AC
TOTAL
2.36 AC
5.38 AC
2.06 AC
PAVEMENT WITH
STORM RECHARGE BED
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ADDITIONALAREAS BYPASSING TREATMENT
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TOTAL = 0.12 AC
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0 25 50 100 150
SCALE 1N FEET
III =50'
UNDERGROUND DETENTION
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IDRY DETENTION
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TRENCH #2
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US ARMY CORPS
OF ENGINEERS
SAVANNAH
PB.L. Harbert
ol International, LLC
$20 Sh0des Creek Parkway
airmingh.,. AL 35209
,,, 205-802-2800
ENGINEER'S SEAL
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REFERENCE
NUMBER
CS-103-R1
SHEET 33 OF 4(
r

ra
3
4 1 5
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AREA 1 , 4 t 1 I 1
0.23 ac imp i
0
Fj
PERVIOUS ASPHALT
INFI
NOTE:
ALL BASINS LABELED
"BIO-R" ARE BIORETENTION
CELLS. SEE DETAIL SHEETS
FOR CROSS SECTIONS,
UNDERDRAINS AND OTHER
DETAILS.
EXISTING
IMPERVIOUS
AREAS
PROPOSED IMPERVIOUS AREAS
AREA TREATED
WITH BMPS
AREA BYPASSING
BMPS
BASIN 1
1.85 AC
2.42 AC
1.81 AC
BASIN 2
0.51 AC
3.10 AC
0.13 AC
...... --...... _
J
0 25 50 100
SCALE IN FEET
III =50'
UNDERGROUND DETENTION
150
SHALLOW GRASS BIO
RETENTION BASIN (TYP)
1
....
e 1st .
YYY _
v
v 0.29 AC +' �.. ...... ....
= #1 Q11B10-R #3 '.! --+-� 0.10 AC
a ink SHWT=30:.00 _ .
p _ _.._._. 0.03 ac imp
AREA 4
0.14 aciimp
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_ __.-• 7 ,� s' � :�DRY DETENTION
POND
( SHWT=305.00 AR AST
LTRPfION I I f . 0.18 ac imp DETENTION ' r
NCH #1 �? f POND 1
0 17 ac imp
1.72 AC 1 1
N FI I1TRA!TIO
FRENCH(#1 i`
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ac
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10-
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SHWT— 0 SHWT=307.00
N f` 0.14.a0'i I 0.18 ac imp. t �f! i !
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US ARMY CORPS
OF ENGINEERS
SAVANNAH
B.L. Harbert
International, LLC
H2O Sh'c.. Cr . PPrkway
BlrminOho m, Al- 35209
Phn 205-802-2800
ENGINEER'S SEAL
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REFERENCE
NUMBER
CS_ 103_R2
SHEET 33 OF 46

2 3 4 I 5
3" 8" 4'-0" MIN. 8'; 3"
zz I I I
0_ I US ARMY CORPS
BIORETENTION YARD — OF ENGINEERS
INLET (TYP) o w SAVANNAH
BEEHIVE GRATE INLET � F- �I — — LL —I -
.L. Harbert
5 I MAX SOD o 5.1 MPX �_ _ �I� IBntemational, ILLC
— — _ - 820 Shvtl05 Creak 2800 y
m \ \� / I � 2-#4 BPhn 205-B02L 28009
— — -- CIVIL CONsuLTANn of AL. ING
2'-0" PLANTING SOIL � ,,,��®ROm.N�;�,GS
(INFILTRATION RATE BOTTOM OF POND Phoe:205)655d991
X-V
CAST IRON FAX: OS)655-8366
GREATER THAN 1.00 IN/HR) MANHOLE
STEPSPLACENGINEER'S SFA
j� j oo oo o 16" CENTERS. PLAN VIEW FRAME &COVER jununL
6 OUNCE NON WOVEN FILTER FABRIC .�`°L CARli
ALL AROUND GRAVEL D.C. FACE OF OPENING IN
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Q@ iTHE DIRECTION OF
E.W. (TYP.) .� O E55► �.
//,\Y \Y/ `" ' e" 4' =o" MIN. 8" SURFACE F w.
6" PERFORATED PIPE 6" UNDERDRAIN SEE PLAN kSR
6" MIN. GRAVEL
LOCATION.
ALL AROUND EXIST. GROUND OR AS SHOWN ON PLAN ON 2.0/ MIN FINISH GRADE
SOIL SPECIFICATIONS FOR BIORETENTION AREAS SLOPE THROAT
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MINIMUMROFENTION 85%SAND,A10%HALL FINES,ONSIST AND UPFTO 5%ANTING ORGANC IMAOERIAL.F A ANNYADDATONRTHOEAMY SAND TEXTURE. FURNSHED PLANTINGSOILSHAOILS LL BEAOFBUNFORMED FOR THE COMPOSITIONLFREE OF ANTING SOIL
1TONES, ROOTS ORIST OF SIMILARA Z 2 a
OBJECTS LARGER THAN ONE INCH, BRUSH, OR ANY OTHER MATERIAL OR SUBSTANCE WHICH MAY BE HARMFUL TO PLANT GROWTH, OR A HINDERANCE TO PLANTING OR MAINTENANCE OPERATIONS. BIORETENTION TENTION ILLI�L
Q #4 @ 9" O.C.
YARD INLET J E.W. (TYP.) w
THE PLANTING SOIL SHALL NOT CONTAIN TOXIC SUBSTANCES HARMFUL TO PLANT GROWTH. � INV. ELLJ
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THE PLANTING SOIL SHALL BE TESTED AND MEET THE FOLLOWING CRITERIA: LLLJ(nPH RANGE 5.5 - 6.5 GRASS IN THE BIORETENTIONfl
ORGANIC MATTER 1.5 - 5.0% COMMON BERMUDA (CYNODO6" UNDERDRAIN SLOPEI �APPROVED EQUAL. MAGNESIUM - Mg 35 LBS/ACRE ON 2.O/ MINPHOSPHORUS - P205 100 LBS/ACRE
POTASSIUM - K20 85 LBS/ACRE THE P-INDEX (PHOSPHORUS SLOPE o� o
SOLUBLE SALTS NOT TO EXCEED 500 PPM BETWEEN 10 AND 30.
INFILTRATION RATE 1.00 - 2.4 IN/HR #4 DOWELS @ 12" (TYP.) \ 21, " 1 "
THE FOLLOWING TESTING FREQUENCIES SHALL APPLY TO THE ABOVE SOIL CONSTITUENTS: 94 @ 12" KEYWAxY (?YR. )
* PH, ORGANIC MATTER: 1 TEST PER 90 CUBIC YARDS, BUT NOT LESS THAN 1 TEST PER BIORETENTION AREA. PROVIDE CLEANOUT SECTION A A
* MAGNESIUM, PHOSPHORUS, POTASSIUM, SOLUBLE SALTS: 1 TEST PER 500 CUBIC YARDS, BUT NOT LESS THAN 1 TEST PER BORROW SOURCE AT END OF ALL
* ONE GRAIN SIZE ANALYSIS SHALL BE PERFORMED PER 90 CUBIC YARDS OF PLANTING SOIL, BUT NOT LESS THAN 1 TEST PER BIORETENTION AREA UNDERDRAINS YARD INLET DETAIL
A SOD LAYER SHALL BE PROVIDED ON TOP OF THE PLANTING SOIL.
N.T.S.
THE SAND SHALL BE FREE OF DELETERIOUS MATERIAL AND ROCKS GREATER THAN 1 INCH IN DIAMETER.
SOIL SHALL BE PLACED IN LAYERS LESS THAN 18 INCHES AND LIGHTLY COMPACTED (MINIMAL COMPACTIVE EFFORT) BY TAMPING WITH A BUCKET FROM A DOZER OR A BACKHOE. SEE PLAN
TYPICAL SECTION - SOD BIORETENTION POND TYPICAL PLAN
NTS N.T.S.
STORM BOX TRENCH SIDE SLOPES TO PROVIDE SAFE WORKING
BEEHIVE GRATE ENVIRONMENT. SIDE SLOPES SHALL MEET MINIMUM
SAFETY REQUIREMENTS ESTABLISHED BY THE
FINISHED
°OCCUPATIANAL SAFETY AND HEALTH ADMINISTRATION
FINISHED PAVING #q @ 9" O.C. 3" 8" 4'-0" MIN. 8" 3" GRADE (O.S.H.A.)
SURFACE E.W. (TYP. 1 NOTES:
ROCK OR OTHER
EL= 311.00 8' 4'-0' MIN. 8 w
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36 D I A. CMP _ _ CL a NCOMPRESSIBLE MATERIALS,
STAND PIPE 1 MAX - THE TRENCH SHALL BE
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° O ° ° " _ OF 6" AND REFILLED WITH z q o o
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!L _ - r "\ \ - GRANULAR MATERIAL. o p o z o 0
12" DlA r = 2. O.D. -OUTSIDE DIAMETER N a o 0 0
INV. = 306.20 ° 0 0 0 2- �I — — ll —I w m m a
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18" PIPE ° Aw m a -w -O A O F- d STORM MANHOLE w SUBGRADE #4 @ 9" 0.C. w — — I I A " " " " o N 3 08INV.=302.00o w E.W. (TYP.) w — TI " ' " ' w
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" 2" DIAMETER WEEP HOLES. w II
6 D I A WRAP GRAVEL WITH GEOTEXTILE _ w o $" x
4 REQUIRED AT EQUAL 8" IN. - - - - 2-#4 -III o o y o
INV. = 302.00 FILTER FABRIC ON ALL SIDES AND I- MIN m COMPACTED GRANULAR BEDDING > m J
SPACING. OVERLAP TOP A MINIMUM OF 8 a - a v _ m o IL v > I — J MATERIAL. PLACED IN 6" MAXIMUM p w w
e . e NCHES. 7q" TO 1' UNIFORMLY SLOPE D 3" — — _ L LIFTS AND COMPACTED TO 95z z
j\\j/ \�\�\\GRADED CRUSHED AGGREGATE. ( °If -co
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( TYP. m 1/3 MODIFIED PROCTOR IN y z co w ui x
p o . O.D. ACCORDANCE WITH ASTM D1557 0 0 0 v cn u IN
CASTN
STORM MANHOLE o cnsr IRON
,�°� MANHOLE STEPS MIDDLE BEDDING, LOOSELY -
\ 6 X6 X6 (THICK) PLACE ON PLAN VIEW
FRAME 8 COVER PLACED UNCOMPACTED BEDDING
CONCRETE PAD WITH WEEP HOLE DETAIL #4 DOWELS @ 12" (TYP.) \2'�2" x 11," 16 CENTERS. � rn
FILL PIPE WITH CONCRETE REINFORCEMENT #4 @ 12" KEYWAY (�YP.) DENSELY COMPACTED SELECT BACKFILL MATERIAL FREE o w g
LU 2' BELOW GROUND N.T.S. OF ROCKS LARGER THAN 1" DIAMETER, DEBRIS OR z z �
SECTION A -A ORGANIC MATERIAL. FILL SHALL BE PLACED IN ACCORDANCE w a Lo
UNDERGROUND DETENTION WITH SITEWORK SPECIFICATIONS 0LL
OUTLET CONTROL STRUCTURE BIORETENTION YARD INLET DETAIL =rn
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( BOX OPTION) N.r.s. STORM PIPE BEDDING DETAIL 2
N.T.S. N.T.S. a v m
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INLET D3-20 ACCESS MAINTENANCE
STRUCTURE (TYP)
n MANHOLE WITH OUTLET 18" PIPE INFLOW1 STORM PIPE
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CONTROL STRUCTURE Y
SEE UNDERGROUND OUTLET CAP ENDS (TYP.) U)co
CONTROL STRUCTURE DETAIL JAI $ ZC)II J z
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8' DIA. ° N
MANIFOLD
230' a
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1 1' BETWEEN P P S Sk/6/o/Lo2 121 "/ . ¢ Oz
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a 00 0 8' DIAMETER PIPE
0 8 PLATE
8 INV EL=302.00 IPE DETENTION SYSTEM REFERENCE
1 OUTS I DE ° ° ° N.T.S. DT-101—R1
z NUMBER
V) ROCK ENCASEMENT
( BOTH SIDES)
SHEET 40 OF 46
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