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Proposed Plan
Attached to the e-mail Operational Works Application OPW19/0193 - DA Form 1- Cover Letter - Proposed Plan - 91 Ewarts Rd COORAN.
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Log in to see the plans as drawn Refer Table for
Create spoon drain NOTES:
at top of wall to divert FOR RETAINING WALLS OVER 1.5M IN HEIGHT IT IS RECOMMENDED
Post size, orientation
water runoff. THAT 'WALE ENDS CANTILEVERED BEYOND POST' DESIGN IS USED
and spacing. Max 1 in 4 Slope
Min 5° wall Top 3 walers to be Wall Height Post Size and Spacing Surcharge Footing Depth
backslope 200x50 F14 HWD (mm) (mm)
1200 200x75-F14 HWD at 1800mm centres 2.5 KPa 1800
Natural soil backfill.
1500 2/200x100-F14 HWD at 1800mm centres.
200mm Max Height. - Refer Table
(Posts to be turned 90°) 5 KPa 2200
300mm Min wide
1800 2/200x100-F14 HWD at 1200mm centres
12 to 19mm Gravel backfill 5 KPa 2300
(Posts to be turned 90°)
against wall.
2/200x100-F14 HWD at 900mm centres
2000 5 KPa 2400
(Posts to be turned 90°)
200x75 F14 HWD walers
Geofabric Layer
100 dia. AG pipe connected to
stormwater drainage.
Refer Table for Pier depth
1.5 x Lower Wall
20MPa concrete backfill at 28 days. Height Min-Flat backslope Min Distance
1800mm-Flat
2.4 x Lower Wall Height Max- 2900mm-1:4 slope
1:4 backslope
Walers.
1200mm
Lower Wall Height
200
450∅
Stepped retaining walls must be
a minimum distance appart as
NOTE 1: All double post members to be screwed together with No.14 Type 17 shown in the diagram above.
Battern Screws (Galv or stainless steel) at maximum 150mm centres, Steps closer than shown above
must be designed by HR Design Group.
2: All HWD to be durability class 1 timber, free of sapwood, Example
See Detail 4 to the right for an example.
or treated to H5 level. DETAIL 3 DETAIL 4
- -
3: To be used for Silty Clay and Sandy Clay soil types only.
Not suitable for dunal sands.
CONSTRUCTION
SCALE: No. Description Drawn Date
PHONE (07) 5476 8690 Martens Building Design CLIENT:
A. & S. Leontakianakos
SHEET:
1 PRELIMINARY KURT 04/04/19
1 : 100@ A3 FAX (07) 5476 9380 0432 224 604 A-14-
14-01 RETAINING WALL DETAILS
TRU BUILT
9 WORKING DRAWINGS KURT 07/07/19 MOBILE 0418 986595
DATE: [email protected] ADDRESS: REVISION: WIND RATING FIRE RATING
07/07/19 PO BOX 1244 ABN: 20 218 687 996 LOT 61 #91 EWARTS ROAD, 9 N5 BA L 19
BUDERIM 4556
DESIGNED:
LIC NO. 729650
QBSA: 126 4589 COORAN, QLD,
Signed:___________________ TRU BUILT JOB NO.: MBD NO.:
Rod Soppe R & V DEVELOPMENTS PTY. LTD. 1008 J 1907
Kurtis Martens / Owner
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