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Response to Information Request - Received on 19/04/2012 · OPW11/0335
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RL 4.00 DWELLING FFL MIN
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DWELLING PAD RL 3.50 MIN.
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0.6m 0.5m 2.9m @ q
RL 3.20
RL 3.25
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Om 1.0m 2.0m 3.0m
SECTION ’A-A’ BIORETENTION TRENCH CROSS-SECTION
-
NOTES:
1 EXISTING HEATH WETLAND BUFFER TO NATIONAL PARK
2 ROCK ARMOURED SPILL WAY (3 OF), 1 m BASE WIDTH, 1:3 SLOPE SIDE WALLS -
SUBJECT TO DETAIL
DESIGN
3 BIORETENTION TRENCH
500mm FILTER DEPTH
SANDY LOAM FILTER MEDIA, 60% 0.45mmES, 150mm/hr HYDRAULIC CONDUCTIVITY, <1000mg/kg TOTAL
NITROGEN, <80mg/kg ORTHOPHOSPHATE,-3% ORGANIC MATIER CONTENT @ ’L\
L\
200mm EXTENDED DETENTION DEPTH
~~
SUBJECT TO DETAIL DESIGN
4 IMPERMEABLE GEOMEMBRANE SIDE-WALL LINER @ E
5 PERMEABLE GRAVEL BASE LAYER, 200mm DEPTH, 5-20mmES NO-FINES COARSE GRAVEL E
(100mm~ c>
~)\ j;
c>
6 BIORETENTION TRENCH PLANTINGS. TURF SPECIES SUITABLE FOR INUNDATION. SOURCE
(J)
’(’f":::’i) {E ..-
SUITABLE PLANTS FROM APPENDIX A OF THE WATER SENSITIVE URBAN DESIGN MANUAL . E
E
E
7
8
INLET ROCK DIFFUSER
STORM DRAIN INLET ENERGY DIFFUSER. SEE DETAIL A \( ,f \ :: -"
,
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L\
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....,.
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9 STORM DRAIN INLET PIPE .....,.... L\
500mm DEPTH OF COVER TO BE MAINTAINED WHERE POSSIBLE
@ E ;..,
E
c>
WHERE HYDRAULICS REQUIRE LESS THAN 500mm DEPTH OF COVER, PIPE TO BE CONCRETE CASED E
<"?
WITH 200mm DEPTH OF COVER E
c>
co
10 GRASSED CATCH DRAIN (SWALE),200mm DEEP 1:130 FALL ALONG LENGTH TO SUIT 1:5 ARI STORM ....-
EVENT
TRAILING EDGE TO BE FILLED TO PROVIDE 200mm DEPTH AND TO ACCOMMODATE FALL TO
BIORETENTION TRENCHES
11 BOLLARDS TO SUIT SITE AESTHETICS ~~
12 DWELLING PADS. 3.5mRL MINIMUM TO 6.0mRL. l
BIORETENTION TRENCH C1A LOCATED AT 4.0mRL -1
13 GRASSED BATIER AT 1:4 GRADE
14 INLET ROCK DIFFUSER GEOTEXTILE WRAPPER DETAIL A -
SCOUR PROTECTION DEVICE GENERAL ARRANGEMENT
ALL RL’S IN mAHD. DIMENSIONS AS MARKED. FINISHED GROUND LEVELS ARE INDICATIVE ONLY AND
SUBJECT TO FINAL ADJUSTMENT ON SITE
REVISION SCHEDULE DATUM
CLIENT DElAILS JOB NAME
--
t ~~n:":’!’~do<".on"dr";"g..,.;,,",.,,,. S’lmmonds & Br’lstow Pty Ltd DRAWING TITlE SCALE
ESSENCE OF PERIGIAN """,0<1 Iroo ’ho.WI’ r.... ’ho propot’, "51 B
BIORETENTION TRENCH
ASS HOW N
, ,
CONTRAS T CONS TRUCTIONS orancmtionnslvithSlB.
DESIGNED
2. OONOTSCAlE WATER & ENVIRONMENTAL ANAlYSTS & CONSULTANTS SHORT CROSS-SECTION
FOR THE S TORMWA TER TREA TMENT TA l DinensiOlls,lnds,r’c.tobtnf’ifitd on silt prior to
SEe T ION A A
the COUIefI(Mtllt of wark.
-
JOB/PROPOSAL No.
13/01/12 GENERAL UPDA TE TA DRAWN TA
SCANLON PROPERTY GROUP DESIGN P 06/01/12 GENERAL UPDA TE
4. Anr discrepancies lobtrtporltd to S &. B lor
rnolulionbtforecarrringoullht\jm.
GENERAL ARRANGEMENT 11 08 -
1 sse
T CHECKED DJB II RECoIIALD STR!fT,ROOOU 4101
S. All diMenslons in II1II unless olhervtstsliled PO BOX 1160 YEROIIGA OLD 4104 AUSTR.\UoI DRAWING STA TUS DWG. No.
A 19/12/1 INITIAL VERSION
E DATE COMMENTS
TA SIGNED.
INITl. DATE
PH 101)3711’100
fAX 1011 37109m
... Helplng you make good cfean water Ae.N. 010 252 418 PLOT NUMBER
CONCEPT ONL Y
DATE 13/01/12 1108-155C -01-05 lREV.
C
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