18-0165B Stormwater Management Report_Issue D

                                                                                                                                                                                                                     Stormwater pit as                           Pavement
                                                                                                                                                                                                                     detailed




                                                                                                                            Block retaining wall
                                                                                                                            Refer typical section




                                                                                      Vegetation. Refer                                     'Rat Flap' to
                                                                                      landscape Architect.                                  manufacturers                                                                            Stormwater pipe as




                                                                                                                            200 min
                                                                                                                                            specs




                                                                                                                             depth
                                                                                                                                                                                                                                     detailed
                                                                                                                                                                                                                                                                                                                                                                                           Bio-basin #3                                                                                                           Bio-basin #2                                                                                            Bio-basin #1
                                                                                                                                                                                                                                                                                                                                                                                     - Surface Area = 100m2                                                                                                  - Surface Area = 64m2                                                                                   - Surface Area = 81m2
                                                                                                                                                                                                                                                                                                                                                                                       - Filter Area = 45m2                                                                                                   - Filter Area = 32m2                                                                                    - Filter Area = 37m2
                                                                  Existing boulder
                                                                  retaining wall
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           Fence to builders details                           Existing ground
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    Sandstone retaining wall.
                                                                                                              1                                               1                                                                                                                                                                                                                                                                   Surface level of retaining wall                                                                    900 sq overflow pit with                       Typical.
                                                                                                                  2.25           200 base           2.25                                                                                                                                               Fence to builders details                                                                                                  to match overflow pit. Typical.                                                                    raised grate. Typical.
                                                                                                                                                                                                                                                                                                                                                   1 in 2 batter.
                                                                                                                                                                                                                                                                                                                                                   Typical.
                                                                                                                                                                                                                                                                                                       Block retaining wall                                                                                                                                                                                                                                                                                                                                  S.L. - 119.00
                                                                                                                                                                                                                                                                                                       Refer typical section                                                                                                                                                                                                            S.L. - 118.40
                                                                                                                                                                                                                                                                                                                                                    S.L. - 117.80
                                                                                                 Rock scour protection at
                                                                                                 pit locations                                                                                                                                                                                         Existing ground

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              I.L. - 116.94                                      450Ø RCP at 1.5%
                                                                                                                                                                                                                                                                                                                                                                                           I.L. - 116.30                                          450Ø RCP at 1.5%




                                                                                                                                                                                                                                                                                                                                                                                                  Inert level of existing
                                                                                                                                       SECTION                        1                                                                                                                                                                                                                           Stormwater line to be                                                                  SECTION                  2
                                                                                                                                                                                                                                                                                                                                                                                                  confirmed on site.
                                                                                                                                       Scale 1:20 at A1              C03                                                                                                                                                                                                                                                                                                                 Scale 1:200 at A1       C03

                                                                                                                            TYPICAL VEGETATED                                                                                                                                                                                                                                                                                                                TYPICAL BIO-RETENTION BASIN LONGITUDINAL SECTION
                                                                                                                            SWALE SECTION




                                                                                      150                     900mm Class 'B'                             150                     NOTE: Grate to be 990 square hot
                                                                                                                                                                                  dip galvanised. with 10 side
                                                                                                   50                                      50                                     plates and 50x6 bars at 50 crs.
                                                                                                                                                                                                                                                          150               900sq Class 'B'      150
                                                                                                                                                                                  U.N.O
                                                                                                                                                                                             150




                                                                                                                                                                                                                                           150
                                                                                                                                                                                50




                                                                                                                                                                                                                                         Grate




                                                                                                                                                                                                                                                                                                          300
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               Screw cap and concrete surround                                                                                         Vegetation to comply with the requirements of
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               flush out point. 45° bend. Refer to                                                                                     appendix 'A' of 'Healthy Waterways Water
                                                                                                                                                                                                                                                                   10 diameter rod                                                                                                                                                                                                                                                                                                                                     Sensitive Urban Design' to loamy soils. Refer
                                                                                                                                                                                             900mm Class 'B'




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               WSUD-003 for details.
                                                                                                                                                                                                                                                                   welded to bars                                                                                                                                                                                                                                                                                                                                      landscape architects details.
                                                                                                                                                                                50




                                                                                                                                                                                                                                                                                                                                                                                             Sandy loam. Hydraulic conductivity 200mm/hr in
                                                                                                                                                                                             150




                                                                                                                                                                                                                                                                                                                                                                                             accordance with 'Guideline Specification for Soil Media in
                                                                                                                                                                                                                                                                                                                                                                                             Bioretention Systems, Facility for Advancing Water
                                                                                                                                                                                                                                                                                                                                                                                             Biofiltration.' Soil orthophosphate content not to exceed




                                                                                                                                                                                                                                                                                                                                                                                                                                                            500
                                                                                                                                                                                                                                                                                                                                                                                             55mg/Kg. Certification to be provided.



                                                                                                                                             100 diameter slotted uPVC pipes. Discharge to inlet
                                                                                                                                             pit. Provide 100mm Diameter capped uPVC flush out




                                                                                                                                                                                                                                                                                                                                                                                                                                                            100
                                                                                                                                             points at 10.0m (min) crs.




                                                                                                                                                                                                                                                                                                                                                                                                                                                            200
                                                                                                               PLAN
                                                                                                                                                                                                                                                                  150




                                                                                                                                                                                                                                                                                                                         Stormwater pipe as                                                                                                               100 diameter slotted uPVC pipes at 0.5%                                                    Geofabric to be provided                   Course sand              5mm screenings
                                                                                                                                                                                                                                                                                                                         detailed                                                                                                                         minimum grade. Discharge to outlet pit.                                                    around bioretention media                  transition layer
                                                                                                                                                                                                                                                                                                                                                                                                                                                          Provide 100mm Diameter capped uPVC flush
                                                                                                                                                                                                                                                                                                                                                                                                                                                          out points at 2.5m (max) cts.
                                                                                                                                                                                                                                                                         SECTION

                                                                                                                                                    BIORETENTION RAISED GRATED PIT DETAILS                                                                                                                                                                                                                                                                                                                   TYPICAL BIORETENTION SECTION
                                                                                                                                                 SCALE 1:20 AT A1                                                                                                                                                                                                                                                                                                                                            SCALE 1:20 AT A1




               PIT NUMBER                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    PIT NUMBER

                    1/1              2/1              3/1                      4/1                      5/1                            6/1                            7/1                                      8/1          OUTLET 9/1                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1/5           2/5                3/5           OUTLET 4/5
                                                                                                                                                                                                                                                                                              PIT NUMBER                                                            PIT NUMBER                                                                                                                                                                                                    PIT NUMBER
               300mm sq with    600mm sq with    600mm sq with         600mm sq with          600mm sq with                 600mm sq with                   600mm sq with             600x900 with                           Discharge into                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   300mm sq     600mm sq             600x900         Discharge into
DESCRIPTION                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 DESCRIPTION
                D-Class Grate    D-Class Grate    D-Class Grate         D-Class Grate          D-Class Grate                 D-Class Grate                   D-Class Grate            D-Class Grate                           bio-retention                                                       1/2                                                                    1/3                2/3                             3/3                      4/3                       5/3                       6/3                                                                             1/4                        2/4                       3/4               EXISTING 4/4                                                                                                                     bio-retention
                                                                                                                                                                                                                                  basin                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              basin
                  121.35           120.80           120.80                   120.80                 120.80                            120.80                         120.80                             120.38                                                                                600mm sq with                                                         600mm sq with    600mm sq with                  600mm sq with           600mm sq with               600mm sq with            600mm sq with                                                                      900mm sq                    900mm sq                900mm sq                            T.B.C.                                                             121.45        121.05             120.30
SURFACE                                                                                                                                                                                                                                                             DESCRIPTION                                                               DESCRIPTION                                                                                                                                                                                           DESCRIPTION                    overflow pit                overflow pit            overflow pit
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            SURFACE
                                                                                                                                                                                                                                                                                               D-Class Grate                                                         D-Class Grate    D-Class Grate                  D-Class Grate           D-Class Grate               D-Class Grate            D-Class Grate
LEVELS                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           with raised grate           with raised grate       with raised grate                                                                      LEVELS
                                                                                                                                                                                                                                                                                                 120.86                                                                120.32             120.40                         120.40                    120.40                    120.40                   120.40                                                                          119.00                       118.40                    117.80                         T.B.C.




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      119.200




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              119.000
                                                                                                                                                           118.620




                                                                                                                                                                                   118.230




                                                                                                                                                                                                                           117.850




INVERT LEVEL                                                                                                                                                                                                                                                        SURFACE                                                                   SURFACE                                                                                                                                                                                               SURFACE                                                                                                                                                                 INVERT LEVEL
                                                                                                                                                                                                                                                                    LEVELS                                                                    LEVELS                                                                                                                                                                                                LEVELS

                                                            STORMWATER PIT DETAILS - LINE 1                                                                                                                                                                     STORMWATER PIT DETAILS - LINE 2                                                                                  STORMWATER PIT DETAILS - LINE 3                                                                                                                                                                           STORMWATER PIT DETAILS - LINE 4                                                                                                                 STORMWATER PIT DETAILS - LINE 5



                                                                                                                                                                                                                                                                                                                                                                                                                Issue   Made By   Date          Description                                                    PROPOSED COMMERCIAL DEVELOPMENT                                                                                                                                                                                         Scale : 1:20 AT A1 U.N.O.                          NOTES:
                                                                                                                                                                                                                                                                                                                                                                                                                0       PC        06/07/18      Preliminary ONLY - for DA Approval
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               at NO. 5 TAYLOR COURT, COOROY
                                                                                                                                                                                                                                                                                                                                                                                                     REVISION




                                                                                                                                                                                                                                                                                                                                                                                                                A       PC        06/07/18      Issue for BA                                                                                                                                                                                                                                                                           Job No.: 18-0165                                   1. Do not scale drawings.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          2. Scale is correct at A1.
                                                                                                                                                                                                                                                                                                                                                                                                                B       PC        19/10/18      No changes to sheet. Re-issue                                  CLIENT: HASS HOLDINGS PTY LTD
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       Dwg No.: C04                                       3. Check and verify all dimensions
                                                                                                                                                                                                                                                                                                                                                                                                                C       PC        O6/11/18      Bio-basins updated                                             Designed By : B.J. WINNING BEngTech (Civil)                        Drawn By : PC                         Date : 29/05/18                                                                                                                                                     prior to commencement of work.
                                                                                                                                                                                                                                                                                                                                                                                                                D       BJW       O7/11/18      General amendments                                             Certified By : B.R. CROMAR BEng (Civil), MIEAust, CPEng, RPEQ, NPER                                      Date : 11/09/18       Ph: (07) 5444 5578       Email: [email protected]                           STORMWATER DRAINAGE DETAILS