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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                                         RL 3.20
                                                    RL 3.25
                                                   T.          __
                                                                                        RL 3.35
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                                                                                                                       0.6m            0.5m                                                    2.9m




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        RL 2.50 (NGL)
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                                                                                                                                                  RL 2.50                  <D
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                                                         ...   -----




                                                                       RL

                                                                            2.3~:~..~                           I                                                                                                                                       SCALE
                                                                                                                              3m
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                                                                                                                                                                                                                                                                       O.5m


                                                                                                                                                                                                                                                     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 (3OF), 1 m BASE WIDTH, 1:3 SLOPE SIDE WALLS. SUBJEOTTO DETAIL
           DESIGN
   3       ~~ET~OOffi~
           500mm FILTER DEPTH
           SANDY LOAM FILTER MEDIA, 60% 0.45mmES, 150mmlhr HYDRAULIC CONDUCTIVITY, <1 OOOmgillg TOTAL
                                                                                                                                                                                                                                                                                                                                         i
           NITROGEN, <80mgillg ORTHOPHOSPHATE,-3% ORGANIC MAnER CONTENT                                                            .
                                                                                                                                                                                                                                                                                                                                      ,      .                    ’L\
                                                                                                                                                                                                                                                                                                                                                           L’
           200mm EXTENDED DETENTION DEPTH                                                                                                                                                                                                                                                                                                .




                                                                                                                I
           SUBJECT TO DETAIL DESIGN
   4       IMPERMEABLE GEOMEMBRANE SIDE.WALL LINER                                                                                                                                                                                                                 @
   5       PERMEABLE GRAVEL BASE LAYER. 200mm DEPTH, 5-20mmES NO.FINES COARSE GRAVEL                                                                                                                                                                                   ~


                                                                                                                                                                                                         cv en \ J,
   6       BIORETENTION TRENCH PLANTINGS. TURF SPECIES SUITABLE FOR INUNDATION. SOlJ,RCE
                                                                                                                                                                  (!)                                                                                                  (~
           SUITABLE PLANTS FROM APPENDIX A OF THE WATER SENSITIVE URBAN DESIGN                                                                                                                                 E

   7       INLET ROCK DIFFUSER                                                                        MANjL                                                       ’
                                                                                                                                                                                                        ,
                                                                                                                                                                                                              ~                                                                          L’
   8       STORM DRAIN INLET ENERGY DIFFUSER. SEE DETAIL A                                                         ,                                                                                                                                                                                      L’
                                                                                                                                                                                                                                                                                                                          L’
   9       STORM DRAIN INLET PIPE                                                                                                                                                                                                                                      -
                                                                                                                                                                                                                                                                                                                                                 L
                                                                                                                                                                                                                                                                                                                                                                 ’"
           500mm DEPTH OF COVER TO BE MAINTAINED WHERE POSSIBLE                                                                                                                                                                 @                                                             E
                                                                                                                   I
           WHERE HYDRAULICS REQUIRE LESS THAN 500mm DEPTH OF COVER, PIPE TO BE CONCRETE CASED
                                                                                                                                              E
                                                                                                                                                                                                                                                                                              ~
           WITH 200mm DEPTH OF COVER
   10
                                                                                                                   .




                                                                                                          1:51ARI STORM                   ",,8                                                                                                            400mm
           GRASSED CATCH DRAIN (SWALE),200mm DEEP 1:130 FALL ALONG LENGTH TO SUIT
           EVENT                                                                                                I                                                                                                                                                                                              SCALE (mm)
           TRAILING EDGE TO BE FILLED TO PROVIDE 200mm DEPTH AND TO ACCOMMODATE FALL TO


   11
   12


  13
           BIORETENTION TRENCHES
           BOLLARDS TO SUIT SITE AESTHETICS
           DWELLING PADS. 3.5mRL MINIMUM TO 6.0mRL
           BIORETENTlON TRENCH C1A LOCATED AT 4.0mRL
           GRASSED BAnERAT 1:4 GRADE
                                                                                                                                                  ~
                                                                                                                                                          L
                                                                                                                                                         "I
                                                                                                                                                                           250mm
                                                                                                                                                                                                      ~                                                                                                                  50


                                                                                                                                                                                                                                                                                                                                   100
                                                                                                                                                                                                                                                                                                                                                     150


                                                                                                                                                                                                                                                                                                                                                                200



   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 O.NLY AND
   SUBJECT TO FINAL ADJUSTMENT ON SITE
(LENT IIElAll                                            JOONAHI                         IIt:vlIIINlOfIll.lE                                             DATUM                                                                                                                                         IN!AWlNGTlTLE                             I(AlE

 CONTRAS T CONS lRUC liONS                                ESSENCE OF PERIGIAN
                                                                                                                                                                  ..




                                                                                                                                                                             ’~E=~?~’;~’ Simmonds & Bristow Pty. Ltd.                                                                                     BIORETENTlON TRENCH
                                                                                                                                                                                                                                                                                                                                                      ASS HOW N
                                                                                                                                                                             ~ :?-_:’::’:’:t..k’~"M,.....1t              WATER & ENVIRONMENTAL ANALYSTS &CONSUlTAHTS                                      SHORT CROSS-SECTION
 FOR THE                                                  STORMWA.lER TREATMENT                                                                          DEmlED    TA




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                                                                                            13/01/11 GENoRAL UPOA TE                              TA DRAWN         TA
                                                                                                                                                                                                                                                                                                          SECTION A-A                            118/_OSALNo.
 SCANLON PROPERTY GROUP                                   DESIGN                                                                                                             ~.   "",~II"’"",,"t.s’.r.
                                                                                                                                                                                                                                                                                                          GENERAL ARRANGEMENT                        1108        -
                                                                                                                                                                                                                                                                                                                                                                          155 C
                                                                                            06/0111 GENERAL UPOA TE                               TA (I((KED      018             I’UIllul..’...f.,.,_....Iht-n.         UI(QW.OSTIUT,IIQ(kl.(A’IM
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                                                                                                                                                                                                                         I’OIOX)lWYUlt’lGAIItJI’.AUS~                                                      AWlHGSTATUS                           DWG.No.
                                                                                         1,ll1911111 INITI)\L VERSION                             TA I~HED.                                                              PtlIIf1In.,.                                                                                    CONCEPT ONL Y
                                                                                                                                                                                                                         ’" ,0>.....
                                                                                         E     DATE        CDHI’lNTS                              IITL   DATE                                                                                 HeIpirG
                                                                                                                                                                                                                                             ...        you make good doan_       A.C.N. 010 252418                                                  110B-155C 01-05         C
                                                                                                                                                                                                                                                                                                       PlDT hlJHBER           DATE,13/01l12