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Response to Information Request 10-6-2025 A6769-24-D01 [B] DRAINAGE LAYOUT · OPW25/0042
Original PDF page 1, section 1. The text section number identifies this passage in the reader.
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Section 2
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18
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GUIDEANCE OF ARBORIST
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W
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PROPOSED RETAINING
D03
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4.5m SHARED SEWER AND
STORMWATER EASEMENT
PROPOSED BATTER
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TO STRUCTURAL
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1 IN 4 MAX
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ENGINEERS DETAILS
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4m WIDE DRAINAGE
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PROPOSED
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EXISTING PIT EX/10 TO BE
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| | | | | | | | |
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4m WIDE OVERLAND FLOWPATH
4m WIDE OVERLAND FLOWPATH
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EXISTING SEWER &
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STORMWATER TO BE TAKEN
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|
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FFL18.25
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|
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UP. EXISTING EASEMENTS TO
|
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|
PROPOSED ROCK
13
0
14 | | BE EXTINGUISHED
| |
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6 | | GABION WALL
VA TE
| |
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0
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1 | 16
8.0%
RIE R E
|
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13
11.8
S 4 AS
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12.20
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|
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W
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2.0%
D
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1
m EM
15
3.6
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BE INSTALLED WITH
13.2
17
5.8% 8.0%
1
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Section 4
8
LITTER BASKETS
1in
EXISTING Ø300 TO BE
MI
0
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13.8
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16
.5
8.1%
TAKEN UP
0
15
19
14.0
11.8
13
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14.0
D
14
13.8
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0
STORMWATER TO BE TAKEN
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Ø600
13.40
W
S
13.20
12.0
14 UP. EXISTING EASEMENTS TO
D
2.0%
1in8 8.6%
BE EXTINGUISHED
ALL ROOFWATER TO BE PIPED
11.8
13 13
18
14.40
14.60
14.20
13.80
14.00
14
W
VERGE/FOOTPATHS TO BE
TO RIP'S/RWHT VIA SEALED
S
REPROFILED TO SUIT 8 EXISTING PADMOUNT
20
14.00
TRANSFORMER PIPE SYSTEM TO HYDRAULIC
D
1
13
OVERLAND FLOW PATH LEVELS 13
.5
S
FFL13.5= 13.0
W
S
CONSULTANT SPEC.13
W
RL RL1
1
12 2.5
Ex
12 4
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BA 13
SE .0
12
RL
RL
Ex
1
TW
OF
RWHT
Ex
W
2.7
RL
13
PM
DRAINAGE NOTES:
8
.23
12
12. STORMWATER PITS AND MANHOLES TO BE PRECAST ITEMS TO SUIT
| | | | | |
T
|
.51
13.0
| | 13.0
13
13
|
300kL RAINWATER HARVESTING TANK NOMINATED CLASS & DEPTH UNLESS NOTED OTHERWISE
15
17
|
11
D6
D
|
12
12.5
14 1. ALL STORMWATER CATCHMENT NAMES ARE AS PER THE STORMWATER 13.
S
TO HYDRAULIC CONSULTANTS SPEC. ALL PIPEWORK TO BE CUT BACK FLUSH WITH PIT WALLS AND SEALED USING
|
16
EXISTING Ø300 TO
D
||
12.0
11 PITS THEY CONTRIBUTE TO. EPOXY MORTOR
D06 BE TAKEN 11.5
UP
S
| | |
12.5
2. REFER DRAWINGS /CA01 FOR STORMWATER CATCHMENTS AND 14. ALL PIT BASES TO BE RENDERED TO FALLS USING EPOXY MORTOR SUCH
13
AT H
|
OWP 10 CALCULATION TABLES.
19
| | | || |
L THAT THEY ARE FREE DRAINING
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
ND F
| | | | | |
| | | | | |
RLA 3. UNLESS NOTED OTHERWISE ALL PIPES ARE R.C.P. CLASS 3, R.R.J. 15. CONTRACTOR TO SUBMIT THE FOLLOWING MINIMUM QUALITY ASSURANCE
S
RCB
VE
3.4m O 12 11 PROPOSED BIORETENTION BASIN '1' 4. UNLESS NOTED OTHERWISE ALL STORMWATER MANHOLES ARE TO BE DOCUMENTATION UPON COMPLETION:-
C 12
12.0
|
| |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | STD 11050
|| | & RAPID INFILTRATION CULVERT 'RIC' 0 DIA - AS-CONSTRUCTED SURVEY
D
|
LEGEND: |
10 9REFER D09 & WQO1 FOR DETAILS
D
00w
5. CONSTRUCTION TRAFFIC1TO
|
1 BE EXCLUDED FROM PIPEWORK - CCTV SURVEY
11.5
18
S
13
D7
12 TRENCHES UNTIL SUCH TIME AS PAVEMENT OVERLAY IS COMPLETE & - MATERIAL TEST RESULTS
12
x 45
9 WRITTEN APPROVAL IS RECEIVED FROM THE SUPERINTENDANT
20
11.0
14 16. ALL WORK IS TO BE COMPLETED IN ACCORDANCE WITH ALTA PROJECTS
0h
PROPOSED BIORETENTION AREA D06 10.5
9 6. WHERE IT IS IMPRACTICAL TO EXCLUDE CONSTRUCTION TRAFFIC ALL STANDARD SPECIFICATION.
EXISTING CONCRETE 15
S
TH 10
WPA WHEEL LOADS MUST BE CONFINED TO 20mm STEEL BRIDGING PLATES 17. ROADWORKS AND DRAINAGE SET-OUT
17 INFORMATION IS AVAILABLE FOR THE
FLO 10.0
FOOTPATH TO BE 16
.50 PROPOSED DESIGN L AND AS DETAILED CONTRACTOR VIA COMPUTER MODEL PROVIDED BY ALTA PROJECTS.
|
RL 5 VER RECONSTRUCTED
D
|
4m O 9 7. BEDDING/HANCHING MATERIALS & BACKFILL TO BE COMPACTED IN
D
SURFACE LEVEL
S
HOWEVER, ALTA PROJECTS ACCEPTS NO RESPONSIBILITY FOR INCORRECT
9
1
S
LAYERS NOT EXCEEDING 150mm THICK USING VIBRATING PLATE OR SETOUT FROM THE DATA PROVIDED. CONTRACTOR SHOULD CONFIRM THE 19
11
S
FINISHED SURFACE CONTOUR SIMILAR COMPACTILE EFFORT. HYDRAULIC COMPACTION ALONE IS CORRECT COORDINATES WITH THE MANHOLE SETOUT DATA PROVIDED ON
9 S S S
UNACCEPTABLE. THESE DRAWINGS. 18
EXISTING SURFACE CONTOUR 10
8. BEDDING/HAUNCHING MATERIAL TO BE COMPACTED AT MOISTURE
SIEVE SIZE (mm) WEIGHT PASSING (%)
CONTENT 60% > OPTIMUM > 90% AS DETERMINED AS1289.5.7.1 (STD) 13
9. TRENCH COMPACTION TESTING TO BE9 CARRIED OUT AT THE11
75.0 -
10 8 12
RCBC
PROPOSED DRAINAGE NETWORK
D
19.0 100
FOLLOWING INTERVALS WITH ALL RESULTS SUBMITTED TO THE 14
2 9.50 -
A 8 SUPERINTENDENT FOR APPROVAL:- 15 17
1
2.36 50 - 100
16
200w x
D
EXISTING Ø300 TO BE 10. SELECT PIPE BACKFILL: 0.60 20 - 90
DIRECTION OF MAJOR OVERLAND FLOW OUT TAKEN UP 0 5 10 15 20 25 11. - 1 TEST EACH DRAINAGE LINE 0.30 10 - 60
450h
1 0.15 0 - 25
EX
1
S
7
5
EXISTING OUTLET TO BE
EX
7
SCALE 1:250 (A1), 1:500 (A3)
0.075 0 - 10
TAKEN UP
5
BEDDING MATERIAL GRADING LIMITS
6
The text continues on section 5.
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