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Approved Plan & Document OPW21-354
Original PDF page 1, section 2. The text section number identifies this passage in the reader.
Plans and drawings
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Log in to see the plans as drawn113.008
112.964
4. SURVEY
50
Depth
-0.007
-1.248
-1.240
-1.145
-1.143
-0.002
0.000
0.162
0.187
0.196
0.377
0.429
0.000
0.008
CHAINAGE
14.802
30.308
34.117
37.237
38.667
41.699
6.977
7.477
10.91
11
10
20
30
40
0
5. B-B CROSS - LONGITUDINAL SECTION
A1 HORZ SCALE 1:100
A1 VERT SCALE 1:50
WEIR CREST RL 13.2 3m
1m
300mm
500mm
STORMWATER CATCHMENT 1m
AREA: 0.467Ha
500mm
Fi: 13.6% EXISTING
###
1/02/2022
276~41'50"#
#
11
'55"###
44.888#
2.
00
36.875#
SURFAC
259~49
tc = 13 Min 1V:4H E MAX
11
0.
50
1V:3H EA ID: 2557785
RPEQ: 26443
11
Itc (1 IN 1000): 319.4mm/hr
4.
50
1.2m
ood
odw
Blo
11
# 5.
## 00
"# 7#
'51 .40
Wattle
47 34
11
2~ 3.
22 00
1V DO NOT SCALE, IF IN DOUBT ASK!
Gum
Gum
:1
1
15
RATIONAL METHOD
113
. 50
. 50
H
11
2.
00
11
4.
SPILLWAY SECTION
00
11
1hrI10: 70.2mm/hr
2.
50
1.5m
114
. 50
11
6.
50
11
5.
C10: 0.74
00
11
3.
50
11
11
1.
7.
00
50
1
14
. 00
Fy: 1.2
117
. 50
11
4.
50
11 #
6. "###
Climate change factor: 1.2
50 18'20
48# 343~
102.5
11
5.
00
Qy = 1/360 * 0.467 * (1.2*0.74) * 319.4 * 1.2
= 0.44m³/s
11
4.
COMPACTED CLAY IMPERMEABLE
50
115
11
. 00
7.
0
0
CORE ZONE TO DEPTH OF 3/4
KEY IN ADDITIONAL 300mm
#
WEIR CAPACITY (TRAPEZOIDAL) A 31/01/22 OP WORKS ISSUE BP NW
# "###
EMBANKMENT HEIGHT BELOW BASE
31 '25
6.0 42
14 2~
31
117 . 00
DEPTH OF ROCK AT HEEL Rev Date Description By Chk
Qmax = 1.7*b*H^1.5 + 1.26*m*H^2.5
1
18 .
50
b: 1.2m AND TOE OF SPILLWAY
H: 0.3m
#
###
2.6 50"
34#
SPILLWAY ELEVATION
07'
76~
12
0
45# #
m (1V:mH): 4
###
50
.
30"
00'
5.8
60~
EARTHWORK NOTES
Qmax: 0.584m³/s
##
##
0" 2#
5'3 .32
~5 19
42
Qmax >= Qy: OK 1. ALL EARTHWORKS ARE TO BE CARRIED OUT IN ACCORDANCE WITH "GEOTECHNICAL ASSESSMENT PROPOSED DAM" DATED 18 NOVEMBER
[email protected]
2021 BY TECTONIC.
#
### #
10" 161
16' 11.
30~
2. FOLLOWING STRIPPING AND EXCAVATION TO DESIGN LEVELS, PROOF ROLL TO IDENTIFY ANY SOFT SPOTS. SOFT SPOTS TO BE EXCAVATED 37 MARY ST NOOSAVILLE, QLD
MAX VELOCITY (MANNINGS)
AND REPLACED WITH SELECT FILL. 07 5211 1003
V = (R^0.66 * S^0.5)/n
3. OPTIONAL TREATMENTS TO PREVENT LEAKAGE: Client
MAX DEPTH (DRAINS): 0.13m TLR ENTERPRISES PTY. LTD.
3.1. MIXTURE OF 200-400mm THICK LAYER OF INERT/NON-REACTIVE MATERIALS AT SUBGRADE
R: 0.098 3.2. MIX SUBGRADE WITH GYPSUM AT RATES CONFIRMED BY AGRONOMY ASSESSMENT (2.5t/ha INDICATIVE) Project Name
S: 0.3333 3.3. GEOSYNTHETIC LINER (HDPE) TO BE INSTALLED BENEATH BASE OF DAM
8 ROBIN PLACE
n: 0.05 4. FILL TO BE COMPACTED AT +1-2% OPTIMUM MOISTURE CONTENT FOR STANDARD COMPACTION LAKE MACDONALD
(LINED CHANNEL, ANGULAR ROCK) 5. FILL PLACED IN LAYERS MAXIMUM 150mm TO 200mm THICK (LOOSER THICKNESS) AND COMPACTED WITH AT LEAST 4TO 6 PASSESS BY PAD
Vmax: 2.5m/s FOOT COMPACTOR OR SIMILAR TO ACHIEVE DRY DENSITY RATIO OF MINIMUM 95% MAX DRY See the original
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