RFI - Attachment D - Amended Engineering Drawings · 132008.1128.04

                                                                                                                                                                                                            SUBSOIL DRAIN CLEANOUT.
                                                             CIVIL CONTRACTOR TO COVER FILTER MEDIA WITH                                                                                                    REFER DETAIL
                                                             25mm COARSE SAND AND TURF FOR TEMPORARY
                                                             COVER DURING CONSTRUCTION. LANDSCAPERS TO
                                                             REMOVE SILT AND TURF WHEN READY FOR PLANTING

                                                                                                                                                                                    RL 18.395
                                                                                                                                                                                                                                                                               FILTER CLOTH OVER INSITU SOIL 300 MIN.
                                                                                                                                                                                                                                                                               PIN FILTER CLOTH ABOVE PONDING LEVEL.



                                                                                                                                                                                                                                                                600mm FILTER MEDIA.
                                                                                                                                            FILTER MEDIA                                                                                                        <0.05-3.4mm PARTICLE SIZE.




                                                                                                                                                                                                                                                                                                              BIO RETENTION INSTALLATION STANDARD NOTES:
                                                                                                                                                                                                                                                           100mm TRANSITION LAYER. 0.5-2.0mm
                                                                                                                                            TRANSITION LAYER                                                                                                                                                  CONSTRUCTION OF THE BIO-RETENTION BASIN IS TO FOLLOW STANDARDS AND PROCEDURES OUTLINED IN
                                                                                                                                                                                                                                                           PARTICLE SIZE (TYP COARSE SAND)
                                                                                                                                                                                                                                                                                                              BIO-RETENTION TECHNICAL DESIGN GUIDELINE (WATER BY DESIGN) AND WSUD CONSTRUCTION AND ESTABLISHMENT
                                                                                                                                                                                                                                                                                                              GUIDELINES - SWALES, BIORETENTION SYSTEMS AND WETLANDS (WATER BY DESIGN). THE PLACEMENT OF DRAINAGE,
                                                                                                                                                                                                                                                           300mm DRAINAGE LAYER. 2.0-5.0mm                    TRANSITION AND FILTER MEDIA LAYERS MUST BE UNDERTAKEN CAREFULLY TO ENSURE CORRECT DEPTH, SLOPE AND
                                                                                                                                                                                                                                                           PARTICLE SIZE (TYP FINE AGGREGATE)                 COMPACTION:
                                                                                                                                            DRAINAGE LAYER                                                                                                                                                    DEPTH: FILTER MEDIA SHOULD BE INSTALLED AND COMPACTED IN TWO LIFTS FOR DEPTHS OVER 500mm.
                                                                                                                                                                                                                                                                                                              SLOPE: THE TOP SURFACE OF THE DRAINAGE LAYER, TRANSITION LAYER AND FILTER MEDIA LAYER SHOULD BE FLAT.
                                                                                                                                                                                                                                                                                                              A SPREADER BAR SHOULD LEVEL THE SURFACE OF EACH LAYER.
                           SLOTTED PVC DRAINAGE (UN-SOCKED) GRADED AT 0.5%                                                                                                                                                                       FILTER CLOTH TO BE INSTALLED TO SIDES                        COMPACTION: THE FILTER MEDIA MUST BE LIGHTLY COMPACTED DURING INSTALLATION TO PREVENT THE MIGRATION
                               TOWARDS FIELD INLET. PIPE TO HAVE MIN 50mm OF                                     TYPICAL BIO-RETENTION BASIN DETAIL                                                                                              OF BASIN ONLY. DO NOT INSTALL UNDER                          OF FINE PARTICLES. THIS CAN BE ACHIEVED WITH A SINGLE PASS OF A LIGHT ROLLER SUCH AS A DRUM LAWN ROLLER.
                            SCREENINGS ABOVE. REFER DRG 4002-401 FOR SIZING                                                                                                                                                                      BASIN OR BETWEEN LAYERS                                      A VIBRATING PLATE CAN ALSO BE USED TO COMPACT SMALL BIO RETENTION SYSTEMS OR 'POZITRACK' BOBCATS CAN
                                                                                                                                           1:10 @ A1 | 1:20 @ A3
                                                                                                                                                                                                                                                                                                              BE USED FOR LARGE SYSTEMS. ENSURE ONLY ONE COMPACTING PASS IS MADE OVER THE MEDIA FOR LIGHT
                                                                                                                                                                                                                                                                                                              COMPACTION.
                                                                                       N12 LONGITUDINAL
                                                                                N12 TIE BARS @ 200 CTRS.                   150                          LENGTH VARIES                                       STONE                                                                                             BIO-RETENTION/DETENTION BASINS CONSTRUCTION SEQUENCE AND NOTES:
                                                                                                                                                                                                           PITCHING
                                                                             150mm HIGH CONCRETE HOB                                                                                                                                                                                                            1.   ESTABLISH SEDIMENT AND EROSION CONTROL MEASURES IN CATCHMENT, INCLUDING SILT FENCES, SEEDING OF
                                                                          WITH SLOTS EVERY 1-2m. REFER                                                                                                                                                                                                               ALLOTMENTS, & FULL WIDTH VERGE TURFING.
                                                                                                                                                                                                                                   RCBC
                                                                                                                                     200

                                                                                 TO TYPICAL SLOT DETAIL                                         150 THICK CONCRETE, SL82                                                                                                                                        2.   SURVEY BASIN LOCATION.
                                                                                                                                                REINFORCING, 50 TOP COVER.                                                                                                                                      3.   EXCAVATE SURROUNDING LANDFORM TO DESIGN SUBSOIL LEVEL (ACHIEVING SURROUNDING LEVEL AT THIS
                                                                                                                                                                                                                                                                                                                     STAGE REDUCES THE NEED FOR EARTHWORKS ADJACENT TO THE BASIN AFTER THEY HAVE BEEN
                                                                                                                                                          1.0% FALL                                                                                                                                                  CONSTRUCTED).
                                                                                                                                 C         C       C        C         C    C    C          C                                                                                                                    4.   EXCAVATE BASIN TO DESIGN DEPTH ENSURING BASE OF POD HAS MINIMUM 0.5% GRADE TOWARDS PIT. ENSURE
                                                                                                                                                                                                                                                                                                                     BASE OF BASIN IS FREE FROM DEBRIS.

                                                                                                     FILTER                                            INSITU SOIL TO REMAIN UNDER COARSE                                                                                                                     SUPERINTENDENT INSPECTION AND SIGN OFF REQUIRED BEFORE PROCEEDING.
                                                                                                     MEDIA                                        SEDIMENT FOREBAY. GEOTECHNICAL ENGINEER TO                                                                                                                    5. LINE SYSTEM WITH GEOFABRIC, AND EXTEND GEOFABRIC A MINIMUM OF 500 MM BEYOND TOP OF EXCAVATION.
                                                                                                                                                 CONFIRM COMPACTION REQUIREMENTS. STRUCTURAL                                                                                                                       THESE ARE THE FLAPS REFERRED TO IN ITEM 13 BELOW.
                                                                                                                                                  ENGINEER TO CONFIRM FOOTING REQUIREMENTS.                                                                                                                     6. SUBSOIL DRAINAGE TO BE INSTALLED.
                                                                                                                                                                                                                                                                                                                7. NOTE THAT CORRECT FUNCTIONING OF THE DRAINAGE PIPES IS CRITICAL TO THE PERFORMANCE OF THE
                                                                                                                                                                                                                                                                                                                   BIORETENTION SYSTEM. DIG TRENCHES IN DRAINAGE LAYER AND PLACE DRAINAGE PIPES. ENSURE PIPES ARE
                                                                                                                                                                                                                                                                                                                   LAID AT MIN 0.5% SLOPE WITH NO LOCALIZED DEPRESSIONS VERIFIED USING LEVEL OR STRING LINE. ALL JOINTS
                                                                                                                                           LAY FILTER CLOTH OVER INSITU SOIL 300 MIN. PIN FILTER CLOTH                                                                                                             AND JUNCTIONS IN PIPES TO BE SEALED. CONNECT CLEAN OUT POINTS ENSURING TOP OF CLEAN OUT POINTS
                                                                                                                                           TO INSITU SOIL AND LAY CONCRETE ONTO FILTER CLOTH.                                                                                                                      ARE NOT LESS THAN 50mm BELOW OVERFLOW PIT CREST. CLEAN OUT POINTS ARE CONSTRUCTED STRICTLY IN
                                                                                                                                                                                                                                                                                                                   ACCORDANCE WITH IPWEA STD DRG DS-073.

                                                                                                                           TYPICAL FOREBAY SECTION                                                                                                                                                            SUPERINTENDENT INSPECTION AND SIGN OFF REQUIRED BEFORE PROCEEDING.
                                                                                                                                               SCALE 1:20 @ A1                                                                                                                                                  8. COVER DRAINAGE PIPES WITH DRAINAGE MATERIAL, ENSURING DESIGN COVER.

                                                                                                                                                                                                                                                                                                              SUPERINTENDENT INSPECTION AND SIGN OFF REQUIRED BEFORE PROCEEDING.
                                                                                                                                                                                                                                                                                                                9. PLACE FILTER MEDIA (USING ONLY PRESCRIBED MATERIAL) TO DESIGN LEVEL (REFER DRAWINGS). SPREAD
                                                                                                                                                                                                                                                                                                                    MATERIAL USING EXCAVATOR BUCKET OR HAND TOOLS TO OBTAIN LIGHT AND EVEN COMPACTION OF FILTER
                                                                                                                                                                                                                                                                                                                    MEDIA. DO NOT DRIVE OVER FILTER MEDIA WITH ANY VEHICLE AS EXCESSIVE COMPACTION CAN IMPEDE
                                  0.5m2 GROUTED ROCK                                                                                                                                                                                                                                                                DRAINAGE THROUGH THE FILTER MEDIA. FILTER MEDIA SURFACE MUST BE LEVEL (HORIZONTAL) AND FREE FROM
                                  PITCHING ADJACENT TO SLOTS                                        BIORETENTION                                                                                                                       SLOTTED PVC CLEANOUT POINT - 100Ø DRAINAGE                                   LOCAL DEPRESSIONS AND SET AT THE DESIGN LEVELS NOMINATED IN THE PROJECT DRAWINGS. AS SOON AS
                                  (100-150 NOMINAL DIAMETER)                                        FILTER MEDIA                                                                                                                       PIPE. CLEANOUTS AT HEAD OF SUBSOIL DRAIN AT                                  FILTER MEDIA IS PLACED IT MUST BE IMMEDIATELY COVERED WITH GEOFABRIC AND 25mm SANDY TOPSOIL AND
                                                                                                                                                                                                                                       MAX SPACING OF 30.0m                                                         TURF WHICH MUST REMAIN IN PLACE AT ALL TIMES.THIS PROTECTIVE COVER IS ONLY TO BE REMOVED BY
                                                                                                                                                               C.I CAP EXTEND TO APPROX 50mm                                                                                                                        LANDSCAPERS IMMEDIATELY PRIOR TO PLANTING.
                                                                                                                                                 ABOVE BASIN SURFACE WITH LOCKING PROVISION    C       C         C                     C         C     C
                                                                                                                                                                                                                                                                                                                10. FLUSH DRAINAGE PIPES TO REMOVE ANY INITIAL INGRESS OF MATERIAL AND TO ENSURE ADEQUATE DRAINAGE.

                                                                                                                                                                                                                                                                                                              FINAL SUPERINTENDENT INSPECTION AND SIGN OFF
                                                                                                                                                                                                                                           UN-SLOTTED PIPE                                                          NOTE THAT BETWEEN STEPS 3 – 10 ABOVE THE BASINS WILL BE SUSCEPTIBLE TO STORM DAMAGE. THEREFORE
                                                                                                                                                                     350x350x150 CONCRETE SURROUND
                                                                                                                                                                                                                                                                                                                    ONCE COMMENCED PODS MUST BE COMPLETED AS SOON AS POSSIBLE TO MINIMISE THE RISK OF STORM DAMAGE.
                                                                                                                                                                                                                                   ELBOW                            SLOTTED PVC PIPE                                INSPECTION IS REQUIRED IF RAINFALL EVENT OCCURS BETWEEN CONSTRUCTION STEPS 3 – 10 ABOVE.

                                                                                            50-100 WIDE [email protected]
                                                                                            SPACINGS                                                                                                                                       ALL JOINTS TO BE SOLVENT WELDED &
                                                                                                                                                                                                                                           SEALED WITH TAPE

                                                              TYPICAL SLOT DETAIL                                                                                                                           BIOPOD POD SUBSOIL DRAIN
                                                                          SCALE 1:20 (A1)
                                                                                                                                                                                                                   CLEANOUT
                                                                                                                                                                                                                                 SCALE 1:20



FILE: 5002-406.dwg DATE: 08-04-2020 USER: NICK VENESS
XREFS: X-18-001942-5002-TITLE
         DESIGN DRAWN     CHECK   APPROVED     DATE                                                             STATUS                                                         SCALE                                                                   CLIENT                                                                                                             PROJECT                                               DRAWING TITLE
FIRST                                                                        AMENDMENT DETAILS                                                                                                                                                                                                                              Calibre Professional Services (QLD) Pty Ltd
ISSUE      CR      CR      SP       SP       08.04.20
                                                                                                                                           TENDER                                                                                                                                                                                       Level 3, 16 Innovation Parkway     BLUE CARE SUNRISE BEACH                                                BIO RETENTION
     A     CR      CR      SP       SP       30.07.20 ISSUED FOR TENDER                                                                                                                                                                                                                                                                     Birtinya QLD Australia 4575
A
M    B                                                                                                                     NOT FOR CONSTRUCTION                                        0       0.2   0.4   0.6       0.8   1.0   1.2       1.4   1.6
                                                                                                                                                                                                                                                                                                                                               Telephone 07 5314 2520
                                                                                                                                                                                                                                                                                                                                                 Facsimile 07 5314 2522
                                                                                                                                                                                                                                                                                                                                                                          RESIDENTIAL AGED CARE (RAC)                                           NOTES AND DETAILS
E
     C
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D
M    D
                                                                                                                APPROVED                                                               SCALE 1:20 (A1)                           SCALE 1:40 (A3)                                                                                                                            ROADWORKS & DRAINAGE
E                                                                                                               BY: SHAUN PILCHER RPEQ 14593                                                                                                                                                                                                                              DISCLAIMER
                                                                                                                                                                                                                                                                                                                                                                                                                                PROJECT No.           DRAWING No.   REVISION
     E
N                                                                                                                                                                                                                                                                                                                                                                         ALL DIMENSIONS TO BE CHECKED ON SITE BY CONTRACTOR
     F
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S
     G                                                                                                          SIGN:                               DATE: 30.07.20
                                                                                                                                                                                                                                                                                                          C    calibregroup.com                                           PRIOR TO CONSTRUCTION. USE WRITTEN DIMENSIONS ONLY,
                                                                                                                                                                                                                                                                                                                                                                          DO NOT SCALE.
                                                                                                                                                                                                                                                                                                                                                                                                                                18-001942             5002-406        A