A6107 Complete Set · OPW18/0155

RETAINING WALL 'RW3' NOTES:
1.

SUPPORTED MATERIAL IS TO BE NATURAL CLEAN INSITU SAND OR WELL COMPACTED CLEAN SAND FILL (REFER
NOTE 2,) CAPABLE OF STANDING UNSUPPORTED DURING CONSTRUCTION OF THE WALL.

FILL MATERIAL BEHIND WALL SHALL BE COMPACTED IN LAYERS NOT EXCEEDING 200mm DEPTH COMPACTED TO 95%
MDD (AS1289 E7.1) USING 75mm FORE HOSE & SPEAR & VIBRATING PLATE.

20mm SCREENINGS BACKFILL MATERIAL |S TO BE GRANULAR, FREE DRAINING AND IN A MEDIUM DENSE CONDITION.

FOUNDATION TO BE COMPETENT MATERIAL WITH ALLOWABLE BEARING PRESSURE NOT LESS THAN 150 KPA. AND AN
EARTH PRESSURE Ka < 0.3. FOUNDATION TO BE CHECKED BY AN ENGINEER TO CONFIRM BEARING CAPACITY PRIOR
TO PLACEMENT OF FIRST BOULDERS) BINDING LAYER.

BOULDERS ARE TO BE APPROVED BY AN EXPERIENCED GEOTECHNICAL ENGINEER OR GEOLOGIST AND ARE TO BE
OF SUITABLE SHAPE, AND ARE TO COMPRISE SLIGHTLY WEATHERED OR FRESH MATERIAL BEING OF HIGH
STRENGTH (OR STRONGER) AS DEFINED BY AS1726-1993 "GEOTECHNICAL SITE INVESTIGATIONS". THE MATERIAL
SHOULD ALSO COMPLY WITH THE REQUIREMENT OF LESS THAN 15% PARTICLE LOSS UNDER SODIUM SULPHATE
SOUNDNESS TESTING IN ACCORDANCE WITH AS1141.24 "METHODS FOR SAMPLING AND TESTING AGGREGATES".

BOULDERS SHOULD BE PLACED IN STABLE POSITIONS WITH SEVERAL POINT CONTACTS, GENERALLY SLOPING
REARWARD. BOULDERS SHOULD FORM AN INTERLOCKING MASS WHEN COMPLETED WITH NO INDIVIDUAL BOULDERS
FREETO MOVE, AND NO GAPS GREATER THAN 100mm DIAMETER.

MAJOR BOULDERS (WITH DIMENSIONS SIMILAR TO THE WALL WIDTH) SHOULD BE PLACED WITH THEIR LONG AXIS
PERPENDICULAR TO THE WALL FACE, SLOPPED REARWARDS AND WELL SUPPORTED WITH SEVERAL POINT OR LINE
CONTACTS. PREFERABLY NO TWO MAJOR BOULDERS SHOULD BE PLACED ADJACENT TO EACH OTHER.

300 MIN

CLAY PLUG

500 MIN

 

      
     
 
   
  

|

BIDDIM A24
GEOFABRIC FILTER
LAYER SECURELY
FASTENED - TOP
TO TOE (TYPICAL)

LISI UE.

 

20mm SCREENINGS —}-=
5000 x 300W :

 

 

100 DIA AGG DRAIN
DISCHARGING TO.

SELECTED STONES
REFER NOTES

MAJOR STONES
REFER NOTE

4m MAXIMUM

 

 

300 MIN

150mm CONCRETE BINDING LAYER,

IF DIRECTED BY ENGINEER

 

 

STORMWATER NETWORK.
RETAINING WALL RW3
MACHINE PLACED ROCK
RETAINING WALL (IN SAND)
4.0m MAX HEIGHT
SCALE 1:25 (At)
NOTE: ONLY DRAWINGS MARKED "FOR CONSTRUCTION’ AND BEARING AN ORIGINAL SIGNATURE SHALL BE USED FOR CONSTRUCTION PURPOSES. J Design: PBL Brah 101 pty td ta Alta Projects PROJECT: RETAINING WALL DETAILS

Drawn: PBL

Date: ay 201 ABN o1eriasesi1 |= | PROPOSED RESIDENTIAL DEVELOPMENT STAGES 4A &4B | sucet 2 oF 2

L Tal (07) 8475 4125 Fax (07) 6479 1607 | at SERENITY CLOSE, NOOSA DRAWINGNO: A6497/18/PEWOT Fee
Checked - ] ENGINEERING : DESIGN : MANAGEMENT E'ail: [email protected] © This plan Be Copyright, Other han for the purposes of and subject to the conditions prescribed under the

      

 

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DIRECTOR APPROVAL

 

 

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for CAPE BOUVARD DEVELOPMENTS

 

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A‘ SHEET SIZE

 

 

 

FILENAME : 96107-18-PEWOS-PEWOT.ong -DATE : 221/18 -3:35pm - XREF': HApproved-SH; H-Ohocted SH

 

 

 

 

Council Ref:

 

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copsing, recording or otherwise) be reproduced, stored in a retrieval system or transmitted without the prior
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