Civil Engineering plans · OPW25/0042

                                                                                                                                                                                     NO LIQUEFACTION COMPACTION
                                                                                                                                                                                         WITHIN 5m OF RIP ZONE




                                                                                                                                                                                                      BIORETENTION BASIN '1
                                                                                                                                                                                                    'REFER WQ01 FOR DETAILS                                                  RIP ZONE


                                                                                                                                                                                           EMERGENCY                         PROPOSED DRAINAGE
                                                                                                                                                                                           TANK OVERFLOW                     LOW FLOWS (BELOW 3                     PROPOSED RAPID
                                                                                                                                                             FFL 12.0                      RL11.57                           MONTH FLOWS) TO                        INFILTRATION CULVERT
                                                                                                                                                                                                                             OUTLET TO SURFACE
                                                                                                                           WEIR LEVEL IL11.41                                                                                LEVEL OF BIO BASIN                                 1.5m                TOP OF WALL RL11.20
                                                                                STANDING WATER LEVEL RL11.21                                                IL11.21
                                                                                                                                                                                                                                                                                                    WEIR RL10.85             PROPOSED ROCK                           PRIVATE OPEN
                                                                                               RWHT                                                                                                                                                                RL10.75
                                                                                                                                                                                                                                                                                                                             GABION WALL                             SPACE
                                                                                               RAINWATER HARVESTING TANK                                                                                                BIO RL10.45                                                                                          HEIGHT VARIES
                                                                                                                                                                                                                                                                                                             LEVELS VARIES                                           CONSERVATION
                                                                                               300m3 (MIN) CAPACITY TO                                                                                                                                                                                       RL8.5 TO 11.2   0m TO 2.70m                             PROTECTION




                                                                                                                                                                                                                                                                                  0.3m


                                                                                                                                                                                                                                                                                           1.2m
                                                                                               HYDRAULIC CONSULTANTS DETAILS                                                                                        BIO DRAINAGE RL 9.65                                                                                                                             WATERWAYS
                                                                                                           TANK BASE RL9.40                                                                                                                                       IL9.25     TOP ROCK RL9.25
                                                                                                                                                                                                                                                                             BASE ROCK RL8.95
                                                                                                                                                                                                      20m2 GEOFABRIC
                                                                                                                                                                                                      LINED FOREBAY
                                                                                                                                                                                                                                                          PROPOSED DRAINAGE HIGH FLOW                     IMPERVIOUS MEMBRANCE TO
                                                                                                                                                                                                                                                          PIPE (ABOVE 3 MONTH AR1 FLOWS)                  INTERNAL FACES OF GABION WALLS
                                                                                                                                                                                                                                                          TO BE PIPED DIRECTLY TO RIP'S                   (TYP)




                                                                                                                                                                                                                          SECTION                            1
                                                                                                                                                                                                                              SCALE 1:50 A1                 D09




                                                                                                                                                                                                                                                                                                                                       EMERGENCY OVERFLOW WEIR CALC (Q100)
                                                                                                                                                                                                                                                                                                                                                                      1
                                                                                                                                                                                                                                                                                                                                       ROOF TO RWHT/RIC CATCHMENT = (360) * (332mm/hr * 1.2) * 1.0 * 0.7532Ha = 0.834m3/s




NOTE: ONLY DRAWINGS MARKED "FOR CONSTRUCTION" AND BEARING AN ORIGINAL SIGNATURE SHALL BE USED FOR CONSTRUCTION Design:
                                                                                                               PURPOSES.
                                                                                                                       PBL                                                                                                                                                               PROJECT:                                                                             DRAWING TITLE:
                                                                                                                                                                                                                                                Brah 101 pty ltd t/a Alta Projects
                                                                                                                  Drawn: PBL
                                                                                                                                                                                                                                                A.B.N. 91 611 354 511                                                                                                         RAPID INFILTRATION CULVERT 'RIC' SECTION
                                                                               FOR APPROVAL                        Date: AUG 2022                                                                                                               26 Memorial Avenue, Cotton Tree          PROPOSED HOTEL
                                                                                    NOT FOR CONSTRUCTION                                                                                                                                        PO Box 559, Cotton Tree, QLD, 4558                                                                                                                                          Revision     Sheet
                                                                                                                Checked:. . . . . . . . . . .
                                                                                                                                                                                                                                                Tel (07) 5475 4125 Fax (07) 5479 1607    at 3-7 SERENITY CLOSE, NOOSA HEADS                                                   DRAWING No:
                                                                                                                                                                                                                                                                                                                                                                                               A6769-24-D10                   A        10 of
                                                                                   STEVEN HARRISON
                                                                                                                                                                                                                                                Email: [email protected]
  A    27/02/2025   ISSUE FOR APPROVAL                           PL     S.H.
                                                                               .......................
                                                                                   DIRECTOR APPROVAL                 Datum AHD
                                                                                                                                                                                                                                                Web: http://www.alta.net.au              for CALILE MALOUF INVESTMENTS
 REV    DATE                             DESCRIPTION             BY    CHKD        RPEQ - 4784                        A1 SHEET SIZE             FILENAME : a6769-24-D10 RIC SECTION.dwg - DATE : 27/2/25 - 4:04pm - XREF's: H-Approved-SH; H-Checked-SH                                                                                      Council Ref: