Civil plans

                                                                                                                                                                                                                    Stormwater pit as                           Pavement
                                                                                                                                                                                                                    detailed




                                                                                                                            Block retaining wall
                                                                                                                            Refer typical section




                                                                                      Grass lined batter                    'Rat Flap' to
                                                                                      Min grass height                      manufacturers                                                                                           Stormwater pipe as
                                                                                      100mm                                 specs                                                                                                   detailed



                                                                  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                             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
                                                                                                                                                                                                                                                                                                                                                                                               Stormwater line to be
                                                                                                                                                                                                                                                                                                                                                                                               confirmed on site.



                                                                                                                            TYPICAL SWALE SECTION                                                                                                                                                                                                                                                                                                         TYPICAL BIO-RETENTION BASIN LONGITUDINAL 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
                                                                                                                                                                                                                                                                                                                                                                                          50mg/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.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 CLIENT: HASS HOLDINGS PTY LTD
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             Dwg No.: C04                                       3. Check and verify all dimensions
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 Designed By : B.J. WINNING BEngTech (Civil)                        Drawn By : PC                            Date : 29/05/18                                                                                                                                                      prior to commencement of work.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 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