Change to Exisiting Approval OPW11/0257.01 · MCU11/0168

    .
.




                              RUNOFF &: DETENTION CALCULATIONS:                                14
                              MAXIMUM EVENT:                          Ql00
                                                                                                                            /..........
                                                                                               12
                              TIME OF CONCENTRATION:                  5min              ~                                                                                                          ---
                                                                                                                                                                                                            NO RETENTION    r---
                              INTENSITY:                              326mm/hr
                                                                                         cJ
                                                                                         ~ 10
                                                                                                                        /                 ....,                                               J
                              SITE AREA:                                                                                                          ,
                                                                                                                                                                                                   -        WITH    RETENTION r---
                                                                      557sqm            "-                                                                                                    L
                              IMPERVIOUS AREA:                        275sqm             en
                                                                                         w     8
                                                                                                               L                                   ~
                                                                                         ’"
                                                                                         I::                  /                                        ,
                              PRE DEVELOPMENT PEAK RUNOFF:                                     6
                                                                      44L/s             d
                              PEAK RUNOFF POST DEVELOPMENT:           47L/s                                  /
                                                                                                                                                                   ,
                              DETENTION VOLUME REQUIRED:              3,680 UTRE
                                                                                         ~ 4
                                                                                         ...
                                                                                                        ./
                                                                                                                                                                        ....
                              DETENTION VOLUME PROVIDED:                                       2
                                                                      5,000 UTRE
                                                                                               0
                                                                                                 1/_’      ----                                                                ............
                              REDUCTION REQUIRED:                     3L/s
                                                                                                    0       2  ~                      ~           ~           1~        112                   1~          1’6          1~           20
                              REDUCTION PROVIDED:                     10L/S                                                                            TIME   (MINS.)

                                                                                                                            STORMWATER HYDROGRAPH THROUGH TANK


                                                    TOTAL PROPOSED TANK VOLUMES:
                                                    TANK FOR HARVESTING:                                                5,000 LITRE
                                                    TIII\jk’    FnR   RFn-I\jTlnl\j.                                    "nnn       , ITRF




                                                                              PROJECT:
                               Construction                                                                                                                                                        Amd                          Oescrje!.ion                 Dot.


                   JI Hydraulic                     baIlGh,.
                                                    ..r",loa
                                                    too\fIl_.                   TAPLEY RESIDENCE
        CONTACT:   Reinhold       Koenning MIEAu.t RPEQ No 7023                 LOT 34
                   PO Box  181                          AHSCA                   MARCUS DUNES ESTATE                                                                                                B     DRAINAGE REVISED AS PER APPLICANTS ADVICE     26 06        12
                   Moffat Beach, Qld, 4551


        ARCHITECT:
                   PH: 5491    4333 FX: 5491 4233                             CLIENT:

                                                                                TAPLEY
                                                                                                                                                              ~                                    A     RESPONSE TO RFI
                                                                                                                                                                                                            Issue                              Notes
                                                                                                                                                                                                                                                       21-09-11
                                                                                                                                                                                                                                                             Dot.

                     FOSTER DESIGNS                                                                                                                                                                For   Development Approval   X                      125   08     11
                                                                             u.sognl~lo...n ..lM..’i;qlf:jDQ’.125-08-11 I Dog. No.                                                                 For Buildino Acorovol
        DRAWING TlTILE:
                                                                               SCOLE,    NTS            0It A3   u.N.o.1 5 of 5 12508-5           1B                                               For Tender

                                                                                                                                                                                                   For Construction
                     CALCULATIONS
                                                                               RPD:- LOT 34 SP                    111721                                                                           As Constructed