civils · OPW22/0299

                                                                                                                                                                                                                                                                                                                                                                                                                                                           PRELIMINARY STORMWATER CALCULATIONS:

                                                                                                                                                                                                                                                                                                                                                                                                                                                           UPPER CATCHMENT




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                NOT FOR CONSTRUCTION
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        AEP (%)
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Qy = (Cy . tIy . A)/360

                                                                                                                                                                                                                                                                                                                                                                                                                                                           A = 0.15 ha




                                                                                                                                                                                     001



                                                                                                                                                                                                             002




                                                                                                                                                                                                                                                                   003



                                                                                                                                                                                                                                                                                                004




                                                                                                                                                                                                                                                                                                                              005




                                                                                                                                                                                                                                                                                                                                                                                      006
                                                                                                                                   STRUCTURE NO
                                                                                                                                                                                                                                                                                                                                                                                                                                                           Cy = 0.88
                                                                                                                                                                                                                                                                                                                                                                                                                                                           t = 5 mins




                                                                                                                                                                                                                                                                                       UNDERGROUND TANK
                                                                                                                                                                                                                                                                                                                                                                                                                                                           Iy = 271.2 mm/h (Inclusive Climate Change Factor of 20%) (ARI 10)




                                                                                                                                                                                                                                                                                         CONNECTION TO
                                                                                                                                                                                     TYPE 2 PIT



                                                                                                                                                                                                             TYPE 2 PIT




                                                                                                                                                                                                                                                                                                                              TYPE 2 PIT
                                                                                                                                                                                      900 x 900



                                                                                                                                                                                                              900 x 900




                                                                                                                                                                                                                                                                                                                               900 x 900
                                                                                                                                                                                                                                                                   1050 MH




                                                                                                                                                                                                                                                                                                                                                                                      1050 MH
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Qy = 99.5 L/s
                                                                                                                                   STRUCTURE TYPE
                                                                                                                                                                                                                                                                                                                                                                                                                                                            300Ø @ 1% = 107.4 L/s

                                                                                                                                                                                                                                                                                                                                                                                                                                                            THEREFORE, 300Ø PIPE REQUIRED BEFORE PIT 004.
                                                                                                                                                                                      N 4959.916




                                                                                                                                                                                                                N 4956.792




                                                                                                                                                                                                                                                                    N 4942.332




                                                                                                                                                                                                                                                                                                  N 4942.203




                                                                                                                                                                                                                                                                                                                                  N 4932.085




                                                                                                                                                                                                                                                                                                                                                                                       N 4918.186
                                                                                                                                                                                      E 1996.874




                                                                                                                                                                                                                E 1994.995




                                                                                                                                                                                                                                                                    E 1994.001




                                                                                                                                                                                                                                                                                                  E 1995.886




                                                                                                                                                                                                                                                                                                                                  E 1995.792




                                                                                                                                                                                                                                                                                                                                                                                       E 1992.341
                                                                                                                                                                                                                                                                                                                                                                                                                                                           FULL CATCHMENT (UPPER AND LOWER CATCHMENT)
                                                                                                                                   STRUCTURE SETOUT
                                                                                                                                                                                                                                                                                                                                                                                                                                                            Qy = (Cy . tIy . A)/360

                                                                                                                                                                                                                                                                                                                                                                                                                                                           A = 0.2 ha
                                                                                                                                                                                                                                                                                                                                                                                                                                                           Cy = 0.88
                                                                                                                                                                                                                                                                                                                                                                                                                                                           t = 5 mins
                                                                                                                                                                                                                                                                                                                                                                                                                                                           Iy = 271.2 mm/h (Inclusive Climate Change Factor of 20%) (ARI 10)

                                                                                                                                                                                                                                                                                                                                                                                                                                                            Qy = 132.6 L/s
                                                                                                                                                                                                                EDD RL 35.06
                                                                                                                                                                                                                                                                                                                                                                                                                                                            [email protected]% = 132.8 L/s
                                                                                                                                                DESIGN SURFACE
                                                                                                                                                INDICATIVE ONLY
                                                                                                                                                                                                                              WIER APPROX RL 35.11                                                                                                                                                                                                          THEREFORE, 375Ø PIPE REQUIRED AFTER PIT 004.

                                                                                                                                                                                                                                                                                                                                                                                                                                                            (DETENTION TANK EXCLUDED IN ABOVE CALCULATION)
                                                                                                                                                                                                                                             NATURAL SURFACE




                                                                                                                                                     BIORETENTION BASIN
                                                                                                                                                     REFER DETAIL
                                                                                                                                                                                                                                                           600mm




                                                                                                                                                                                                                                                                                                  DISCHARGE ACO DRAIN                             EXISTING TELSTRA TO BE
                                                                                                                                                                                                                                                                                                  TO STRUCTURE NO 005                             LOWERED / RELOCATED                       EXISTING ASBESTOS SEWER


                                                                                                                                                                                                                                                                                                      BASEMENT GARAGE                                      DRIVEWAY


                                                                                                                                                                                                                                                                                             300mm FOR OVERFLOW
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     KERB WITH BREAKS
                                                                                                                                                                                                                                                                                                           DETENTION
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              WEIR APPROX RL 35.11
                                                                                                                                                                                                                                                                                                          18,000 LITRES
                                                                                                                                                                                                                                                                                                                                                                                                         JOIN TO EXISTING                   SURFACE ~RL 35.16
                                                                                                                                                                                                                                                                                                                                                                                                         STORMWATER                                                     1:2              EDD RL 35.06
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              MA




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          PROPOSED WALL
                                                                                                                                                                                                                                                                                                                                                                                                                                                             0.4
                                                                                                                                                                                                                                                                                               STORAGE FOR REUSE                                                                                                                                                                X




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        0.3
                                                                                                                                                                                                                                                                                                  18,000 LITRES                                  LOW FLOW OUTLET                                         LOWERED SEWER                       ROOFWATER
                                                                                                                                                                                                                                                                                                                                                 FROM TOP OF                                             APPROX IL 28.2                                                                                          BASIN
                                                                                                                                                                                                                                                                                              OVERALL SIZE OF
                                                                                                                                                                                                                                                                                                                                                                                        SW DN300




                                                                                                                                                       APPROX                                                                                                                                                                                    STORAGE VOLUME
                                                                                                                                                                                                     SE DN150




                                                                                                                                                                                                                                                                                                                                                                           SE DN150




                                                                                                                                                                                                                                                                                                                                                                                                                                                   ROOFWATER OUTLET                                            OVERFLOW
                                                                                                                                                                                                                                                                                       OVERFLOW / DETENTION / STORAGE
                                                                                                                                                                                                                                                                                                                                                                                        IL 28.73




                                                                                                                                                        ONLY
                                                                                                                                                                                                     IL33.00




                                                                                                                                                                                                                                                                                                                                                                           IL29.25




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  PIT
                                                                                                                                                                                                                                                                                               10m x 3m x 1.5m
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          STORMWATER PIPE (REFER LONG SECTION)
                                                                                                                                                                                                                                                                                                                                                                                                                                              BIORETENTION BASIN SOIL PROFILE
                                                                                                                                                                                                                                                                                                                                                                                                                                              AS PER WBD BIORETENTION
                                                                                                                                   DATUM RL                                                  27.0                                                                                                                                                                                                                                             TECHNICAL DESIGN GUIDELINE




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        RP92518
                                                                                                                                   PIPE SIZE                                (mm)                     Ø300                                  Ø375                                       Ø375                                                                     Ø375                                                                           ·   500mm - FILTER MEDIA
                                                                                                                                                                                                                                                                                                               UNDERGROUND TANK                                                                                                               ·   100mm TRANSITION LAYER                         EXISTING SEWER TO REMAIN                                                                                                                                 LOWER CATCHMENT




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         135
                                                                                                                                   PIPE CLASS                                                        RCP                                   RCP                                        RCP                                                                      RCP
                                                                                                                                                                                                                                                                                                                                                                                                                                              ·   300mm DRAINAGE LAYER                                                                                                                                  UPPER CATCHMENT                                     APPROX .05 ha
C:\Users\DES2\Dropbox\2021\21617ID1_24 Katarina St & 10 Natasha Ave Noosa Heads - Road Access\4.CADD\#ACAD\2.OPW\21617_CIVIL.dwg




                                                                                                                                   PIPE GRADE                                (%)                 1.071%                                   5.104%                                  1.467%                           0.000%                                     0.487%
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          APPROX 0.15 ha




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   RP122891
                                                                                                                                   PIPE SLOPE                           (1 in ...)               93.372                                   19.593                                  68.150                           10.000                                     205.323
                                                                                                                                                                                                                                                                                                                                                                                                                                                                   BIORETENTION BASIN DETAIL
                                                                                                                                                                                            1.600



                                                                                                                                                                                                                1.120
                                                                                                                                                                                                                2.610




                                                                                                                                                                                                                                                                    2.350
                                                                                                                                                                                                                                                                    4.780



                                                                                                                                                                                                                                                                                                  1.100
                                                                                                                                                                                                                                                                                                  1.100




                                                                                                                                                                                                                                                                                                                                  1.100
                                                                                                                                                                                                                                                                                                                                  1.100




                                                                                                                                                                                                                                                                                                                                                                                       1.074
                                                                                                                                                                                                                                                                                                                                                                                       1.074




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     2
                                                                                                                                                                          APPROX                                                                                                                                                                                                                                                                                                                  NTS
                                                                                                                                   DEPTH TO INVERT                         ONLY
                                                                                                                                                                         NOT FINAL
                                                                                                                                                                                            33.460



                                                                                                                                                                                                                33.430
                                                                                                                                                                                                                31.940




                                                                                                                                                                                                                                                                    31.250
                                                                                                                                                                                                                                                                    28.820



                                                                                                                                                                                                                                                                                                  28.800
                                                                                                                                                                                                                                                                                                  28.800




                                                                                                                                                                                                                                                                                                                                  28.800
                                                                                                                                                                                                                                                                                                                                  28.800




                                                                                                                                                                                                                                                                                                                                                                                       28.735
                                                                                                                                                                                                                                                                                                                                                                                       28.735




                                                                                                                                                                          APPROX
                                                                                                                                   INVERT LEVEL                            ONLY
                                                                                                                                                                         NOT FINAL
                                                                                                                                                                                        35.060
                                                                                                                                                                                      (35.649)



                                                                                                                                                                                                                  34.550
                                                                                                                                                                                                                (35.235)




                                                                                                                                                                                                                                                                      33.600
                                                                                                                                                                                                                                                                    (33.569)



                                                                                                                                                                                                                                                                                                    29.900
                                                                                                                                                                                                                                                                                                  (33.762)




                                                                                                                                                                                                                                                                                                                                    29.900
                                                                                                                                                                                                                                                                                                                                  (31.476)




                                                                                                                                                                                                                                                                                                                                                                                         29.809
                                                                                                                                                                                                                                                                                                                                                                                       (29.809)




                                                                                                                                   DESIGN (& EXISTING)
                                                                                                                                   SURFACE LEVEL
                                                                                                                                                                                            0.000




                                                                                                                                                                                                                      3.701




                                                                                                                                                                                                                                                                             18.195




                                                                                                                                                                                                                                                                                                          20.085




                                                                                                                                                                                                                                                                                                                                        30.085




                                                                                                                                                                                                                                                                                                                                                                                                43.431




                                                                                                                                   CHAINAGE / LENGTH                                                 2.801                                13.519                                      1.363                         10.000                                    13.346
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     PRELIMINARY CATCHMENT PLAN
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  NTS




                                                                                                                                   COPYRIGHT ©                                                                                                                         Associated Consultants                                              Client                                                                                                                                   Drawn                     Verified                  Project                                                         Drawing Title                                                             Scale            Sheet Size
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    AR                        DR
                                                                                                                                   This drawing is subject to
                                                                                                                                   copyright in accordance with                                                                                                        CHRIS CLOUT DESIGN MARK BAIN                                                                                                                                                                                                                                     24 KATHARINA ST & 10 NATASHA AVE                                STORMWATER ALIGNMENT                                                       AS SHOWN            A1
                                                                                                                                   the agreement between TOD                                                                                                                                                                                                                                                                                                                        Designed                  Verified
                                                                                                                                   Consulting Pty Ltd (tc) and tc's                                                                                                                       CONSTRUCTIONS                                                                                                                                                                             AR                        DR                        NOOSA HEADS QLD 4567                                            & PRELIMINARY CALCULATIONS                                                Drawing Number
                                                                                                                                   client. This drawing shall only
                                                                                                                                   be used for this specific project.                                                                                                                                                                                                                                                                                                               Approved                  RPEQ No                   RP DESCRIPTION    2 RP122891 & 135 RP92518                                                                                                        21617-C301
                                                                                                                                   This drawing shall not be used                                                                                                                                                                                                                                              Noosa: 07 5449 9600       Sunshine Coast: 07 5329 3190               DOUG REYNOLDS             9072                      LOCAL AUTHORITY   NOOSA SHIRE COUNCIL
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        MCU APPROVAL      -                      HORIZ DATUM LOCAL                            0         10   20    30    40     50       60       Sheet             Revision
                                                                                                                                   for construction until marked as                                                                                                                                                                                                                                                       PO Box 61, Noosaville, QLD 4566                           Signed
                                                                                                                                                                         A      25.10.22         OPW APPLICATION                                         DR                                                                                                                                                    [email protected]     www.todconsulting.com                                                                    ROL APPROVAL      -                      VERT DATUM AHD
                                                                                                                                   'Issued For Construction' in the
                                                                                                                                   revision description.                Rev      Date            Revision Description                                   Drawn                                                                                                                                                                  ABN 39 128 805 336                                                                            25.10.22   OPW APPROVAL      -                      RL DATUM    LOCAL                                 MEASUREMENT BAR - INCREMENTS IN mm                     7 of 7       A