1225-60_B To 95_A - For Approval

Civil, Environmental &
Hydraulic Engineers


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1.50 1.00 )
3
2 Callaghan & Toth
2 ws Civil, Environmental &
2a z= Hydraulic Engineers
= {7 VARIES WALL. HEIGHTS » ee BOX 2305
3 (MIN 0.88) TO DETAIL PLANS NOOSA HEADS 4567
8 i! 8/41 Sunshine Beach Road
=] Phone 54749081
NATURAL BACKFILL, LAY ANY FILL BEHIND _ wo calaghanandloth.com.cu
WALL IN MAX. 200mm LAYERS 10 95% designed | AH datum AHD DERIVED
STANDARD COMPACTION. NO LARGE X FIM drawn __| WM PSM 178243
MACHINERY TO BE USED NEAR WALL. ANSE a Ce screen checked | ADT | Origin (BM.) RL 108.138
| 8
FREE DRAINING BACKFILL + approved
| 8 SURVEYED BY
H5 TREATED HARDWOOD WALES S MAX WATTERSON & ASSOCIATES
DURABILITY CLASS 1 OR 2, 200x50. = PHONE (07) 54 426 121
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100mm SLOTTED PIPE IN 10mm = voject
SCREENINGS. DRAIN TO INTERLOT Pros
PIT OR TO KERB ADAPTER. 10 z 180 PROPOSED 9 LOT SUBDMSION
2 &
ah é 3 AT 55 LAKE MACDONALD DRIVE
8 iy WALL HEIGHTS _
28 |+-_————_——— varies | To deta, pus |) | COOROY — ERINDALE PARK
180UB16 STEEL ay (MIN 1.3) j
POSTS AT 1.2m 100UC14 POSTS HOT S
CENTRES DIP GALVANIZED AFTER
CUTTING TO_LENGTH GEOTEXTILE TO BACK OF TIMBER |
. AND AROUND AG PIPE SCREENINGS
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3S S = \
3 7 & NATURAL BACKFILL, LAY ANY FILL BEHIND !
8 S WALL IN MAX. 200mm LAYERS TO 95% FREE DRAINING BACKFILL
a STANDARD COMPACTION. NO LARGE 8 (a >"7
. MACHINERY TO BE USED NEAR WALL. TOP 1600, H5 TREATED NG = title
HARDWOOD WALES DURABILITY | <© 3 RETAINING WALL SECTION &
$508 DMPo CLASS 1 OR 2, 200x50 8 DETAILS
CONCRETE R ee
NL FOOTINGS G s _——————
Sn e = 8
RETAINING WALL PLAN VIEW 1.3—2.1H ~ € Y Bo
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+ + 3 LOT 136 on MCH978
TOP 1600, H5 TREATED
RETAINING WALL SECTION 0.2—1.2H - HAROWOOD WALES DURABILITY = || parish of TEWANTIN
CLASS 1 OR 2, 200x75 5
GEOTECHNICAL_NOTES: aaa @ County of MARCH
, NOOSA SHIRE COUNCIL
1. THE ANGLE OF INFLUENCE ASSOCIATED WITH THE RETAINING WALLS SHOULD BE TAKEN AS 1V:1H (45'), 2 .
MEASURED FROM THE BOTTOM OF THE RETAINING WALL; I.E. FOOTINGS LOCATED ABOVE RETAINING WALLS z Locality of COOROY
MUST BE SETBACK A HORIZONTAL DISTANCE AT LEAST EQUAL TO THE HEIGHT OF THE RETAINING WALL, 100mm SLOTTED PIPE IN 10mm 2
MEASURED FROM THE TOP OF THE WALL. SCREENINGS. DRAIN TO INTERLOT RC)
PIT OR TO KERB ADAPTER. 8 oO FF
2. FOR SHORT-TERM CONSTRUCTION WORKS (UP TO THREE WEEKS) THE FOLLOWING MEASURES ARE SCALE
RECOMMENDED TO ACHIEVE A LOW RISK* (TO PROPERTY) AND ACCEPTABLE RISK* (TO PERSONNEL) FROM 4 . 7 Z 7
INSTABILITY OF THE TEMPORARY RETAINING WALL BATTERS: S25 » 8 8
Rog 9 gg
a a r
A. WHERE GROUNDWATER SEEPAGE IS NOT ENCOUNTERED, FORM TEMPORARY BATTERS IN MEDIUM DENSE 1.25083) Oe NOT Sete ERO MS RAWING oe
CLAYEY SAND AND STIFF CLAY NO STEEPER THAN 2V:1H, AND TO A MAXIMUM HEIGHT OF 1.5 M. RETAINING WALL DETAILS USE ONLY DIMENSIONS PROVIDED.
NOTE: IF GROUNDWATER SEEPAGE IS ENCOUNTERED, CONTACT TECTONIC TO ARRANGE AN INSPECTION ‘
AND EVALUATION OF AN APPROPRIATE TEMPORARY BATTER SLOPE. : REVISIONS
WAL HEIGHT | PEIR DEPTH | post TYPE | WALE TYPE WALE. SPAN 1g0uB16 PosTs HOTLY. ————
B. CUT A 0.5 M DEEP BY 0.5 M WIDE BENCH INTO THE CREST OF THE BATTERS (TO REMOVE LOOSE OF Gn eke . SE PRO
TOPSOIL), TAKING CARE NOT TO UNDERMINE EXISTING FOOTINGS (E.G. POSTS SUPPORTING EXISTING 1OOUC 14
0-600 00 5000. | 200x850 Hw | 2400 (USE THREE 250mm DECK
FENCES). cOOTING * SPIKES THROUGH EACH WALE)
3
C. PIN HDPE PLASTIC SHEETING (’BUILDERS PLASTIC’) ACROSS THE BATTERS TO PREVENT DRYING OF 100uC 14 . ®
THE HIGH PLASTICITY CLAYS AND SATURATION OF THE SANDS BY RAINFALL. 700-1200 1400 4506 | 200x50 HW 1200 3
FOOTING ‘ a
D. ENSURE THAT NO MATERIAL STOCKPILES OR MACHINERY ARE PLACED WITHIN 4 M OF THE TEMPORARY 180UB 16 = FILES
BATTERS, IN ORDER TO PREVENT THE CREATION OF A CONFINED SPACE OR SURCHARGE LOAD. _ ‘ ©
1300-1700 1800 (ioe 200x50 HW 1200 : & COMPUTER DIRECTORY
2 x A
E. THE CONFINED SPACES BETWEEN THE BATTERS AND RETAINING WALLS (POSTS/WALES) SHALL BE * 4 X:\JOBS\CT PRIN -PRG\1225 50 LOTS LAKE MAC
ESTABLISHED AS EXCLUSION ZONES INTO WHICH NO PERSONNEL SHALL ENTER. reous 16 | 200350 HW DRVADES\STES\DES\ CURRENT DWG:1225 BASE PLA
1800-2100 2600 4508 | 075 HI 1200 o ;
F. AT THE START OF EACH WORKING DAY, THE SITE FOREMAN SHALL CHECK THE TEMPORARY BATTERS FOOTING 70 OE fw FOR APPROVAL
FOR ANY SIGNS OF INSTABILITY (E.G. TENSION CRACKS, DEVELOPMENT OF SEEPAGE, SLUMPING). oe
SHOULD ANY SIGNS OF INSTABILITY BE OBSERVED, CEASE WORK AND CONTACT TECTONIC IMMEDIATELY. 200x50 HW “
180UB 16 Sheet 26 of 36 sheets
2200-2600 | 3100 4509 | ,/OP_1600 1200 2
G. SHOULD ANY RAINFALL EXCEEDING 25 MM OCCUR WITHIN A 24 HOUR PERIOD DURING WALL cooing | 20x75. HW Growing number
CONSTRUCTION, WORK SHALL CEASE UNTIL THE BATTERS ARE INSPECTED BY TECTONIC. 10 TOE 1225- 85
. IN ACCORDANCE WITH THE DEFINITIONS GIVEN IN THE AUSTRALIAN GEOMECHANICS SOCIETY LANDSLIDE RETAINING WALL SECTION 1.8—2.1H A
RISK MANAGEMENT GUIDELINES, 2007. CL Gate 9th SEPTEMBER 2014 /