Attachment 2 -1856-SW01_SW30

       FOR LOTS BIORETENTION
             BASIN AREA=20m2                                                                                                                                                                                     EARTHWORKS LOTS 13-15                                   BUSH FIRE ACCESS




                   F                                       NEW DN375 RCP SW                                                                                                                                                                                                                                              LOT 15 BIO BASIN RL4.2
                SW24
                                                                                                                            F                                                                                                                                                                                            LOT 14 BIO BASIN RL3.3
                                                                                                                           SW24                                                                                                                                                                                          LOT 13 BIO BASIN RL3.3
                                                                                                                                                                                                                                                                                                                         LOT 12 BIO BASIN RL4.5

                                                                                                                                                                                                             2.5%> (VARIES)                                      2.5%>
                                                                                                                                                                                                                                                                                                                 1:4>
                                                                                                                                                                                                                                                                                                                                                          <1:4 1:2
                                                                                                                                                                                                                                                                                                                                                                     >




                                                                                                                                                                                                                                                                                                                 0.9m
                                                                                                                                                                                                                                                                                                                                                                                  1.0
                                                                                                                                                                                                                                                                                                                                                                                D50=200mm
                                                                                                                                                                                                                                                                                                      100-150Ø SLOTTED PVC DRAINS CONNECT
                                                                                                                                                                                                                                 LOT'S 12-15 PROVIDE DN375
                                                                                                                                                                                                                                                                                                              INTO GRATED PIT. GRADE AT 0.5%
                                                                                                                                                                                                                                RCP SW PIPE AT 0.5% GRADE

                                                                                                                                                                                                                                                                                                                                                         LOT'S 12-15 PROVIDE ENERGY
                                                                                                                                                                                                                                                                                                                                                                  DISSIPATORS TO ALL


                                     BIO-RETENTION TYPICAL LOTS 12-15 - DETAIL PLAN                                                                                                                                                                BIO-RETENTION BASIN 6 - SECTION F
                                                                   SCALE 1:250 (A3)                                                                                                                                                                                           SCALE 1:50 (A3)




                                                  7.14m
                                                                       900x900 RC PRECAST
 0.3m                                                                  STORMWATER INLET PIT
                                     0.3m




 EXTENDED                                                              WITH RAISED GRATE;
 DETENTION                                                             REFER TO DETAIL

                                                                       FILTER MEDIA AS ABOVE
                DEPTH: 0.9m




                                                                       0.6m DEEP FILTER MEDIA LAYER

                                                                       0.1m DEEP TRANSITION LAYER
                                                                       0.2m DEEP DRAINAGE LAYER                                                                                                                     PROVIDE LOCKING                      C.I. CAP TO EXTEND
                                                                                                                                                                                                                    FUNCTION OR SECURE                   APPROX. 150mm ABOVE
                               0.5% (MIN)                                                                                                                                                                           CAP WITH SCREWS                      BASIN SURFACE
DRAINAGE PIPES                BASE SLOPE                                  OUTLET PIPE DN450
                                  (TYP)                                   LOT 15 IL3.2
                                                                          LOT 14 IL2.3
                                                                          LOT 13 IL2.3
                                                                          LOT 12 IL3.5                                                                                                                                                                          SUBSOIL DRAIN CLEANOUT - PVC PIPE
           BIO-RETENTION BASIN 1 - INLET                                                                                                                                                                                                                        (NON SLOTTED) AND CONNECTOR                                                         TEMPORARY TURF
                                            NOT TO SCALE                                                                                                                                                                                                        CLEANOUTS AT HEAD OF SUBSOIL
                                                                                                                                                                                                                      BELOW.
                                                                                                                                                                                                                                                                DRAIN

                                                                                                                                                                                                                                                                                                                                50mm TOP SOIL

                                                                                                                                                                                                                                                                                                                                GOETEXTILE FABRIC
                                                                                                                                                                                                                                                                                                                                WRAPPED OVER COMPLETE
                                                                                                                                                                                                                                                                                                                                FILTER MEDIA
                                                                                                                                                                                                                          CLEANOUT POINT DETAILS
                                                                                                                                                                                                                          NOT TO SCALE                                                                                         BIORETENTION BASIN
                                                                                                                                                                                                                          UNDER-DRAIN: SLOTTED RIGID PIPE TO AS2439.1 OR                                                       REFER TO TYPICAL
                                                                                                                                                                                                                          APPROVED EQUIVALENT, 0.5% MIN. GRADE. DIA TYPICALLY                                                  CROSS SECTION.

                                                                                                                                                                                                                          PIPE JOINTS SHALL BE GLUED USING PLUMBING CEMENT.
                                                                                                                                                                                                                          FILTER SOCKS NOT TO BE USED. UNDER-DRAINAGE PIPES
                                                                                                                                                                                                                          SHALL BE SEALED INTO PITS USING GROUT OR APPROVED
                                                                                                                                                                                                                          WATERTIGHT SEAL.
                                                                                                                                                                                                                                                                                                                                                           TEMPORARY COVER DETAIL
                                                                                                                                                                                                                                                                                                                                                           NOT TO SCALE
                                                                                                                                                                                                                                                                                                      PROJECT:                                                                              JOB NUMBER
REV DATE DESCRIPTION                                        BY   CHKD DRAWN
                                                                          I GDETAL
                                                                                 IS                                                 SCALE                                                        APPROVED                                                                                             PROPOSED SUBDIVISION                                                                       1856
 A   13-09-19      FOR APPROVAL                             MM    CL                                                                                                                                                                                                                                  AT NOOSA CIVIC, WALTER HAY DRIVE
 B   24-08-20      REVISED STORMWATER ALIGNMENT             MM    CL     DATUM                 AHD                                                                                                                                                                                                                                                                                      SHEET:   24   OF   30
                                                                                                       0             2.5              5             7.5             10              12.5m
                                                                                                                                                                                                                                                                                                      FOR STOCKWELL PTY LTD
                                                                         DESIGN             MM                                                                                                  .................                                                                                                                                                                       DRAWING NUMBER      REV
                                                                                                                                                                                                                                                                                                      DRAWING TITLE:
                                                                         DRAWN              MM                                                                                              Director: CAMERON LANDRETH
                                                                                                                                    SCALE 1:250 A3                                                                                        p 07 5443 8285                 ABN 89 215 591 077
                                                                         DESIGN CHECK                                                                                                             (RPEQ 19358)                            e [email protected]  w www.barlowshelley.com.au
                                                                                                                                                                                                                                                                                                      BIO-RETENTION BASIN LAYOUT & DETAIL PLAN                                           SW24                   B
                                                                                               CL
                                                                                                      This drawing is not to be copied or amended without written permission from                                                         a PO Box 899, Maroochydore,4558                             SHEET 6 OF 6 'TYPICAL BIO BASIN'
                                                                         DATE              13-09-19   Barlow Shelley Consulting Engineers