Civil Plans

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              RETAININAG WALL NOTES
                                                                                                                                                                                                                                                                                                                                                                                                                                                                     RETAINING WALLS                                                                          1.            THIS DESIGN DOES NOT CONSIDER GLOBAL STABILITY AND IT IS THE RESPONSIBLE OF THE CONTRACTOR TO
                                                                                                                                                                                                                                                                                                                                                                                                                                                                     RETAINING WALL UNDER 1m HIGH TO                                                                        PROVIDE STABILITY REPORT AND MEASURES AGAINST SITE SLIPPAGE
                                                                                                                                                                                                                                                                                                                                                                                                                                                                     MANUFACTURES SPECIFICATIONS FOR DETAILS.                                                 2.            SURCHARGE LIVE LOADS: 5 kPa, 10 kPa (LOCAL ROAD RESERVE). NO ADDITIONAL IMPOSED LOADS OF ANY
                                                                                                                                                                                                                                                                                                                                                                                                                                                                     RETAINING WALL GREATER THAN 1m HIGH, DESIGN                                                            STRUCTURES WITHIN THE RETAINING WALL ZONE OF INFLUENCE.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                     AND CERTIFICATION TO BE PROVIDED BY OTHERS                                               3.            BUILDER TO PREPARE GROUND FOR FOUNDATION BY REMOVAL OF ANY TOPSOIL CONTAINING ORGANIC
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            MATERIAL.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              4.            FOUNDATION MATERIAL SHALL BE CONFIRMED AND APPROVED PRIOR TO POURING OF CONCRETE BY AN RPEQ
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            GEOTECHNICAL ENGINEER.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              5.            UNDER NO CIRCUMSTANCES SHALL ANY STRUCTURE BE POSITIONED ON TOP OF THE WALL WITHIN HEIGHT OF
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      CONCRETE SLEEPER WALL REQUIREMENTS                                                                    THE WALL, REGARDLESS WHETHER THE STRUCTURE IS ON SCREW PILES.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      PATTERNED AND CCS OF THE SAME VARIETY, PATTERN TO BE                                    6.            ANY FORM 16 ISSUED BY ARCOS IS VERIFY THE CONSTRUCTION IS GENERALLY IN ACCORDANCE WITH THE
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      EITHER TIMBER OR STONE, COLOUR TO BE EITHER RAILWAY                                                   DOCUMENTATION PROVIDED BY UNDERTAKING PERIODICALLY INSPECTIONS. A FORM 16 DOES NOT RELIEVE
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      SLEEPER, BROWN OR SANDSTONE.                                                                          THE CONTRACTOR OF THEIR RESPONSIBILITY TO ENSURE MATERIALS, FABRICATION AND WORKMANSHIP
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      SUPPORT POSTS TO BE PAINTED IN ACCORDANCE WITH AS 2312,                                               COMPLY WITH GOOD WORKING PRACTICES.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      DEVELOPMENT WORKS PLANNING SCHEME POLICY (PSP) AND
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      TO MATCH COLOUR OF SLEEPER.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              EXCAVATION ADJACENT TO EXISTING PROPERTIES.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1.            A DILAPIDATION REPORT IS REQUIRED BY MAIN CONTRACTOR TO EXISTING STRUCTURES AND ASSET WHICH
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            ARE SENSITIVE TO VIBRATION OR SETTLEMENT
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              2.            EXISTING STRUCTURES SHOULD BE ASSESSED TO ENSURE THESE ARE NOT SUBJECT TO SETTLEMENT OR
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            VIBRATIONS.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                     WALL CERTIFICATION NOTES:                                                                3.            VIBRATION MONITORING SHOULD BE INSTALLED PRIOR TO ANY EXCAVATION WORKS.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                     DESIGN CERTIFICATION (FORM 15) SHALL BE PROVIDED TO                                      4.            VIBRATION MONITORING EQUIPMENT SHOULD BE NOMINATED DURING CONSTRUCTION AND RELAYED TO THE
                                                                                                                                                                                                                                                                                                                                                                                                                                                                     CERTIFYING ENGINEER, PRIOR TO THE COMMENCEMENT OF                                                      RELEVANT STAKEHOLDERS.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                     CONSTRUCTION, FOLLOWING THE APPOINTMENT OF A D&C                                         5.            CONSTRUCTION AND TEMPORARY STABILITY SHOULD BE ASSESSED PRIOR TO EXCAVATION
                                                                                                                                                                                                                                                                                                                                                                                                                                                                     SUB-CONTRACTOR.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                     INSPECTION CERTIFICATION (FORM 12) SHALL BE PROVIDED TO
                                                                                                                                                                                                                                                                                                                                                                                                                                                                     COUNCIL FOLLOWING SUPERVISED CONSTRUCTION OF THE
                                                                                                                                                                                                                                                                                                                                                                                                                                                                     PROPOSED RETAINING WALLS.



                                                                                                                                                                                                                                                                                                                                                                                                                                                                     WALL DESIGN & SPECIFICATION NOTES:
                                                                                                                                                                                                                                                                                                                                                                                                                                                                     DIMENSIONS ARE INDICATIVE ONLY. THE CONTRACTOR IS TO
                                                                                                                                                                                                                                                                                                                                                                                                                                                                     ENGAGE A CONSULTANT FOR SITE SPECIFIC DESIGN &
                                                                                                                                                                                                                                                                                                                                                                                                                                                                     CONSTRUCTION SPECIFICATIONS, DETAIL DRAWINGS & DESIGN
                                                                                                                                                                                                                                                                                                                                                                                                                                                                     CERTIFICATION.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                     WALLS ADJACENT EXISTING PROPERTIES ARE TO BE
                                                                                                                                                                                                                                                                                                                                                                                                                                                                     DESIGNED TO ACCOMMODATE EXISTING STRUCTURES,
                                                                                                                                                                                                                                                                                                                                                                                                                                                                     SLOPES AND DISTURBANCE ZONES OF SERVICES AND
                                                                                                                                                                                                                                                                                                                                                                                                                                                                     EASEMENTS CONSIDER ACCESS DESIGN VEHICLE
                                                                                                                                                                                                                                                                                                                                                                                                                                                                     REQUIREMENTS.




                                                                                                                                                                                                                                                                                                                        50mmØ BLACK ALUMINUM BALUSTRADE




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       BUILDING ENVELOPE
                                                                                                                                                                                                                                                                                                                        FENCING, DOUBLE HORIZONTAL BARS                                                                                                                                                                                            50mmØ BLACK ALUMINUM BALUSTRADE
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   FENCING, DOUBLE HORIZONTAL BARS


                                                                                                                                                                                                                                  FENCING FOR WALL HEIGHT OVER 1m
                                                                                                                                                                                                                                  OR WHERE SPECIFIED LANDSCAPE OR                                                                                                                                                                                                                                                                                  FENCING FOR WALL HEIGHT OVER 1m OR
                                                                                                                                                                                                                                  ARCHITECT DRAWINGS. INSTALL                                                                                                                                                                                                                                                                                      WHERE SPECIFIED LANDSCAPE OR
                                                                                                                                                                                                                                                                                                                                                                                                                                                     RESIDENTIAL PEDESTRIAN SURCHARGE                                                              ARCHITECT DRAWINGS.
                                                                                                                                                                                                                                  BRACKET TO WALLS                                                             2x WALL HEIGHT
                                                                                                                                                                                                                                                                                                                                                                                                                                                      ONLY WITHIN 'H' FROM TOP OF WALL
                                                                                                                                                                                                                                                                                                           NO ADDITIONAL LOAD FROM                                                                                                                         UNLESS OTHER STATED
                                                                                                                                                                                                                                                                                                                 STRUCTURES

                                                                                                                                                                                                                                                                                                                 300mm SPOON DRAIN
                                                                                                                                                                                                                                                                                                                        MIN 150mm THICK CLAY SEAL                                                                                                                                  300mm SPOON DRAIN                                  MIN 0.6
                                                                                                                                                                                                                                200x75 CONCRETE SLEEPERS                                                                                                                                                                                                                                                                            TOP WIDTH
                                                                                                                                                                                                                                TO QPRO SPECIFICATION                                                                                                                                                                                                              MIN 150mm THICK CLAY SEAL
                                                                                                                                                                                                                                (OR APPROVED EQUIVALENT)                                                                  10% (MAX)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  10% (MAX)
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                PROVSION OF FENCING SLEEVE TO
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                RETAINING WALL CONSTRUCTED ON SITE

                                                                                                                                                                                                                                                                                                1                                  LEVEL 1 WHERE IN FILL
                                                                                                                                                                                                                                                                                      RP BDY




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             ALL FLANGED STONES SPONGED CLEAN
                                                                                                                                                                                                                                                                                                                                                                                                                               FOLD GEOFABRIC OVER GRANULAR
                                                                                                                                                                                                                                                            WALL HEIGHT




                                                                                                                                                                                                                                                                                                                                                                                                                               BACKFILL BEFORE PLACING CLAY SEAL                                                                                                             GROUT INFILL BETWEEN ROCKS
                                                                                                                                                                                                                                                                                               20                                  A12 GEOTEXTILE LAYER TO                                                                                                                                                                                                                   RAKE JOINTS 35mm TO SHOW
                                                                                                                                                                                                                                                                                                                                   THE INTERFACE OF BACKFILL &                                                                                                                                                                                                               MAXIMUM ROCK FACE
                                                                                                                                                                                                                                                                                                                                   FREE DRAINING MATERIAL                                                                                 GRANULAR BACKFILL 20mm
                                                                                                                                                                                                                                                                                                                                                                                                                                          SCREENINGS MINIMUM 200mm WIDE




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   RP BDY
                                                                                                                                                                                                                                                                                                                                 FREE DRAINING MATERIAL                                                                                                                                                                                        1
                                                                                                                                                                                                                                                           0.15 MIN
                                                                                                                                                                                                                                                                                                                                                                                                                                            GEOFABRIC TO FULL HEIGHT OF WALL
                                                                                                                                                                                                                                                                                                                            100Ø AG PIPE TO                                                                                                 (BIDIM A24 OR EQUIVALENT) AND                                                                            4
                                                                                                                                                                                                                                                                                                                            FREE OUTLET                                                                                                     SECURELY FASTENED TOP AND TOE
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             ALL ROCKS TO BE
                                                                                                                                                                                                                                                                                                                                                                                                                                        50Ø SLOTTED CORRUGATED PVC                                                                                                           SET IN CONCRETE
                                                                                                                                                                                                                                                                                                                       DOME TOP TO                                                                                                      SEEPAGE DRAIN AT MAX 1mX1m CENTRES.                                                                          0.15 MIN
                                          Filename: C:\PROJECTS\240444 - SOCIAL HOUSING - 62 LAKE MACDONALD DRIVE, COOROY\3.0 CAD\DRAWINGS\OPW\240444-OPW-C-280.DWG




                                                                                                                                                                                                                                                                                                                       FOOTING PIERS                                                                                                    GEOFABRIC TO ENDS OF PIPE
                                                                                                                                                                                                                                ALL ELEMENTS OF WALL TO
                                                                                                                                                                                                                                BE WHOLLY LOCATED INSIDE
                                                                                                                                                                                                                                SITE BOUNDARY                                                                          REINFORCEMENT & FOOTINGS TO
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         0.30 MIN
                                                                                                                                                                                                                                                                                                                       MANUFACTURER/ STRUCTURAL                                                                                                          CONCRETE BLINDING LAYER
                                                                                                                                                                                                                                                                                                                       ENGINEER SPECIFICATION                                                                                                            AS SPECIFIED OR DIRECTED                                                                                                               25% (MAX
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         )
                                                                                                                                                                                                                                                                                                                                                                                                                                                         BY SITE ENGINEER
                                                                                                                                                                                                                                                                          0.10 MIN




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               EMBEDMENT

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             SPECIFIED
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             DEPTH AS
                                                                                                                                                                                                                                                                                                    PIER                                                                                                                                                                                                                   AS SPECIFIED
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                100Ø AG PIPE TO




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  WALL
Last Plotted: 2026-04-24 9:23 AM




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                FREE OUTLET                                BASE WIDTH


                                                                                                                                                                                                                                                       TYPICAL DETAIL                                                                                                                                                                                                                        TYPICAL DETAIL
                                                                                                                                                                                                                                               CONCRETE SLEEPER RETAINING WALL                                                                                                                                                                                                         GROUTED ROCK RETAINING WALL
                                                                                                                                                                                                                                                                                                               N.T.S                                                                                                                                                                                                       N.T.S
Last saved by: JACKHARRISON(2026-04-23)




                                                                                                                                                                                                                             North Point      Scale                                                                    Horiz. Datum        Client                   Consultant                                                                                       Project                                                                                                 Drawing
                                                                                                                                                                                                                                                                                                                         LOCAL                                                                                                                                                                                                     Drawn                 JH                                                                              Project No.        Drawing No.           Rev No.
                                                                                                                                                                                                                                                                                                                                                      COAST2BAY                                                                                                                      SOCIAL HOUSING                                                                                            RETAINING WALL & FENCING
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   Design                JH
                                                                                                                                                                                                                                                                                                                                                    HOUSING GROUP                                                                                                              OPERATIONAL WORKS - CIVIL                                                                                           TYPICAL DETAILS
                                                                                                                                                                       C MINOR UPDATE TO SET               24.04.26 LS
                                                                                                                                                                                                                                                 0m
                                                                                                                                                                                                                                                 A1 1:20
                                                                                                                                                                                                                                                                                     0.5                   1
                                                                                                                                                                                                                                                                                                                       Vert. Datum
                                                                                                                                                                                                                                                                                                                          AHD
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                62 LAKE MCDONALD DRIVE,                            Check                 LS
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          240444           OPW-C-281               C
                                                                                                                                                                       B FOR TENDER                        16.04.26 LS                                                                                                  RL Datum                                                                                      CIVIL | STRUCTURAL | GEOTECHNICAL                             COOROY, QLD, 4563                              Approved                                              Approved Date       Signed                                                       Sheet
                                                                                                                                                                       A FOR APPROVAL
                                                                                                                                                                      Rev           Revision Description
                                                                                                                                                                                                           09.04.26 LS
                                                                                                                                                                                                             Date Approved
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                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   LACHLAN SWANN
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   RPEQ    21223
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         16.04.26                                    Status   FOR TENDER
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          Size     A1