Attachment 2 -1856-SW01_SW30

                                                                                                                                                                                                                                HOFMANN DRIVE




                                                  HO
                                                    FM
                                                                                                                     PROVIDE BARRIER KERB (B2 TYPE) WITH




                                                                                                                                                                                                                                                                                                                                                                                        BOUNDARY
                                                          AN
                                                                                                                     400mm CUT OUT'S TO CHANNEL HOFMANN
                                                                                                                                                                                                                                                                                       0.25m          1m           0.25m
                                                                                                                     DRIVE RUN-OFF INTO BIO-RETENTION BASIN


                                                            N
                                                               DR
                                                                  IV
                                                                     E
                                                                                                                         FOR HOFMANN DRIVE
                                                                                                                         BIORETENTION BASIN AREA=30m2
                                                                                                                                                                                                                                                                                                                                     VERGE

                                                                                                                                                                                                                                                                                                       <1:4
                                                                                         .70                                                                                                                                                                                              BIO BASIN RL4.10
                                                                                     IL2
                                                                                                                 D




                                                                                                                                                                                                                                                                                                                     0.9m
                                                                                                                     2
                                                                            PS
                                                                                 W                               SW2
                                                                          RC
                                                                    375
                                                                  DN
                                                             W
                                            .60           NE
                                        IL2
                IL2.50
                                                          D
                              FH                           SW2
                                                              2
                                 IL




                                                                                                                                                                                                                                                         100-150Ø SLOTTED PVC DRAINS CONNECT
                                   2.
                                    66




                                                                                                                                                                                                                                                                 INTO GRATED PIT. GRADE AT 0.5%




                E                    BIO-RETENTION BASIN 4 - DETAIL PLAN                                                                                                                                                                                        BIO-RETENTION BASIN 4 - SECTION D
                                                                  SCALE 1:250 (A3)                                                                                                                                                                                                         SCALE 1:50 (A3)




                                                  1.00m
                                                                                600x900 RC PRECAST
 0.3m                                                                           STORMWATER INLET PIT
                                     0.3m




 EXTENDED                                                                       WITH RAISED GRATE;
 DETENTION                                                                      REFER TO DETAIL

                                                                                FILTER MEDIA SL4.10
                DEPTH: 0.9m




                                                                                0.6m DEEP FILTER MEDIA LAYER

                                                                                0.1m DEEP TRANSITION LAYER
                                                                                                                                                                                                                             PROVIDE LOCKING                      C.I. CAP TO EXTEND
                                                                                0.2m DEEP DRAINAGE LAYER
                                                                                                                                                                                                                             FUNCTION OR SECURE                   APPROX. 150mm ABOVE
                               0.5% (MIN)                                                                                                                                                                                    CAP WITH SCREWS                      BASIN SURFACE
DRAINAGE PIPES                BASE SLOPE
                                                                                OUTLET PIPE DN375
                                  (TYP)
                                                                                IL2.70

                                                                                                                                                                                                                                                                         SUBSOIL DRAIN CLEANOUT - PVC PIPE
           BIO-RETENTION BASIN 4 - 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:   22   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                                         SW22                   B
                                                                                                       CL
                                                                                                                  This drawing is not to be copied or amended without written permission from                                                          a PO Box 899, Maroochydore,4558                             SHEET 4 OF 6 'HOFMANN DRIVE'
                                                                                  DATE                13-09-19    Barlow Shelley Consulting Engineers