19553-C1000_[B]-DG-CLC_[B] Civil Engineering Drawings

                                                                                  CULVERT X2                                                                                                                                            CULVERT X9



                                                                                                                                                                                                                                                                                                                                                                                            LOT 10 OPEN CHANNEL : 0-B to CULVERT X9
                                                                                                                                                                                                                                                                                                                                                                                            MINOR STORM Q5 = 175 L/s
                                                                                                                                                                                                                                                                                                                                                                                            MAJOR STORM Q100 = 367 L/s

                                                                                                                                                                                                                                                                                                                                                                                            UPPER REACHES OF DRAIN (0-B to 50m DOWNSTREAM)                              LOWER REACHES OF DRAIN (50m DOWNSTREAM to CULVERT X9)
                                                                                                                                                                Q100                            Q100                                                                                              Q100                        Q100
                                                                                                                                                                                                                                                                                                                                                                                            CHANNEL BASE = 0m : Sf = 1.0% : BANK SLOPES = 1 in 4 : n = 0.030            CHANNEL BASE = 1m : Sf = 1.0% : BANK SLOPES = 1 in 4 : n = 0.030
                                                                                                                                                                Q5                              Q5                                                                                                Q5                          Q5
                                                                                                                                                                                                                                                                                                                                                                                            Q5    175 L/s d = 0.236 m V = 0.79 m/s                                      Q5    175 L/s d = 0.107 m V = 1.15 m/s
                                                                                                                                                                                                                                                                                                                                                                                            Q100 367 L/s d = 0.312 m V = 0.95 m/s                                       Q100 367 L/s d = 0.158 m V = 1.43 m/s
                                                                                                                                                                                                                                                                                                                                                                                            Qcap 1296 L/s d = 0.500 m V = 1.30 m/s                                      Qcap 2157 L/s d = 0.375 m V = 2.30 m/s
                                                                                                                                                                Q100                            Q5                                                                                                Q100                        Q5
                                                                                                                                                                                                                                                                                                                                                                                                                     4.0m EASEMENT                                                                        4.0m EASEMENT


                                                                                                                                                                                                                                                                                                                                                                                                                 Q100 367 L/s : d 0.312 m                                                             Q100 367 L/s : d 0.158 m
                                                                                                                                                                                                                                                                                                                                                                                                            1 in 4                                                                      1 in 4                                    1 in 4
                                                                                                                                                                                                                                                                                                                                                                                                                                        1 in 4
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1.0m BASE




                                                                                                                                                                                                                                                                                                                                                                                                    WILGEE COURT DISCHARGE
                                                                                                                                                                                                                                                             Q100
                                                                                                                                                                                                                                                                                                                                                                                                    UPSTREAM CATCHMENT (1-A & 2-A) = 0.182 ha                       EXTRACT FROM STORMWATER MANAGEMENT PLAN
                                                                                                                                  Q100                                                                                                                                                                                                                                                                                                                              While there is predicted to be some increase in peak flow from
                                                                                                                                                                                                                                                                                                                                                                                                    DEVELOPED SCENARIO DISCHARGE                                    Catchments D and E the magnitude of these flows are likely to be
                                                                                                                                                                                                                                                                                                                                                                                                    CRITICAL TIME OF CONCENTRATION = 8 mins                         small compared to the flows reporting to the culverts under Lake
                                                                                                                                                                                                                                                                                                                                                                                                    ΣCA5 = 0.130 ha INTENSITY = 164 mm/hr   Q5 = 59 l/s             MacDonald Drive and flows within in the main creek downstream of
                                                                                                                                                                                                                                                                                                                                                                                                    ΣCA100 = 0.166 ha INTENSITY = 274 mm/hr Q100 = 126 l/s          this location. It is considered, given the characteristics of the
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    discharge location, unlikely that a minor increase in peak flow at this
                                                                                                                                                                                                                                                                                                                                                                                                    UNDEVELOPED SCENARIO DISCHARGE                                  location will alter the flooding or drainage conditions at this location.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    It is considered unlikely that the minor increase in peak flows will
                                                                                                                                                                                                                                                                                                                                                                                                    CRITICAL TIME OF CONCENTRATION = 15 mins                        cause nuisance or damage to third party property.
                                                                                                                                                                                                                                                                                                                                                                                                    ΣCA5 = 0.122 ha INTENSITY = 127 mm/hr    Q5 = 43 l/s
J:\2019\19553sd2_Lake_MacDonald_Drive_Subdivision\4.CADD\#ACAD\19553_CIVIL.dwg




                                                                                                                                                                                                                                                                                                                                                                                                    ΣCA100 = 0.153 ha INTENSITY = 208 mm/hr  Q100 = 88 l/s

                                                                                                                                                                                                                                                                                                                                                                                                    CHANGE IN PEAK FLOWS
                                                                                                                                                                                                                                                              Q5
                                                                                                                                                                                                                                                                                                                                                                                                    MINOR STORM   Q5 = 16 l/s
                                                                                                                                   Q5                                                                                                                                                                                                                                                               MINOR STORM Q100 = 38 l/s




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                                                                                                                                                                                                                                                                                                                 LD                  DR
                                                                                 This drawing is subject to
                                                                                 copyright in accordance with
                                                                                                                                                                                               PLANNER
                                                                                                                                                                                               Pivotal Perspective Pty Ltd
                                                                                                                                                                                                                             TEATREE PROPERTY PTY LTD                                                                                                      LAKE MACDONALD DRIVE                                                              DRAINAGE CALCULATIONS                                                                                               A1
                                                                                 the agreement between TOD                                                                                                                                                                                                       Designed            Verified
                                                                                 Consulting Pty Ltd (tc) and tc's                                                                              Jack Lewis                                                                                                        LD                  DR                    RURAL RESIDENTIAL SUBDIVISION                                                                                                                                                    Drawing Number
                                                                                 client. This drawing shall only                                                                               0406 334 227
                                                                                 be used for this specific project.                                                                                                                                                                                              Approved            RPEQ No               RP DESCRIPTION    8RP160703 : 2RP852009 : 3RP137375 : 140MCH978 : 101SP142407                                                                                                            19553-DG-CLC
                                                                                 This drawing shall not be used                                                                                                                                         Noosa: 07 5449 9600       Sunshine Coast: 07 5329 3190   D REYNOLDS          9072                  LOCAL AUTHORITY   NOOSA SHIRE COUNCIL
                                                                                                                      B     20.07.20    INFORMATION REQUEST RESPONSE    JF                                                                                                                                                                                 MCU APPROVAL      -                         HORIZ DATUM GDA94 / MGA Z56                             0   10      20      30            40      50      60                         Sheet               Revision
                                                                                 for construction until marked as                                                                                                                                                  PO Box 61, Noosaville, QLD 4566               Signed
                                                                                                                       A    24.03.20    OPW SUBMISSION                  LD                                                                              [email protected]     www.todconsulting.com                                              ROL APPROVAL      RAL 19/0018               VERT DATUM     AHD
                                                                                 'Issued For Construction' in the
                                                                                 revision description.                Rev     Date      Revision Description           Drawn                                                                                            ABN 39 128 805 336                                                      20.07.20   OPW APPROVAL                                RL DATUM                                                    MEASUREMENT BAR - INCREMENTS IN mm                                               17 of 17      B