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Compiled Approved Plans OPW25/0042.02
Plans and drawings: the text below has words only, no drawings.
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Original PDF page 14, section 1. The text section number identifies this passage in the reader.
A
B
C
REV
DATE
27/02/2025
13/11/2025
28/01/2026
LINE
NAME
LEVEL
900 x 900
900 x 600
600 x 600
450 x 450
INTERNAL
(Cumecs)
DIMENSIONS
RUNNING
OF DRAIN
CHAINAGE
PIPE FLOW
HYDRAULIC
STRUCTURE
STRUCTURE
ISSUE FOR APPROVAL
DESCRIPTION
GRADE LEVEL
INVERT LEVEL
PIPE GRADE %
COORDINATES
PIPE CAPACITY
< 600
(Easting/Northing))
>1200
PIPE SLOPE 1 in X
DESIGN SURFACE
DEPTH TO INVERT
DEPTH
MAXIMUM DEPTHS
EARLY WORKS CONSTRUCTION ISSUE
AT GRADE (Cumecs)
PIPE SIZEmm (Class)
MAXIMUM
> 600 <900
STRUCTURE SETOUT
>900 <1200
REVISED TO SUIT DRAINAGE REALIGNMENT
DESCRIPTION
ALL LIDS/GRATES TO
BE BOLT DOWN TYPE
FULL PIPE FLOW VEL. (m/s)
PART FULL FLOW VEL. (m/s)
0.000 E= 8405.398 18.800 18.782 EXISTING 600sq GRATED PIT 1/1
N= 80584.236 17.060 1.740 18.775 WITH CONCRETE APRON
5.673
0.18
600(2)
0.538
0.052
141.83
0.71%
5.673 E= 8409.345 18.300 17.020 1.280 18.775 1500x1500 PIT WITH RAISED 2/1
PL
BY
P.L.
PBL
DATUM RL 4.0
IL16.131
EX Ø600
STW PIPE
N= 80580.161 17.000 1.300 18.113 BOLT DOWN CLASS 'D' GRATE
1.95
600(2)
28.932
0.570
29.14
S.H.
S.H.
SKH
1.188
3.43%
CHKD
34.605 E= 8415.709 17.250 16.007 1.243 17.884 1050dia MANHOLE WITH 3/1
N= 80551.938 15.987 1.263 17.608 IMPERVIOUS BOLT DOWN LID
1.95
6.888
600(2)
0.570
0.620
106.95
0.94%
41.493 E= 8410.896 17.220 15.923 1.297 17.554 900x900 PIT IMPERVIOUS 3a/1
N= 80547.010 15.922 1.298 17.494 BOLT DOWN LID
CONSTRUCTION OVER EXISTING LINE
RPEQ - 4784
1.95
600(2)
28.897
0.570
0.620
106.95
0.94%
STEVEN HARRISON
DIRECTOR APPROVAL
70.390 E= 8390.876 17.070 15.652 1.418 17.266 1500sq x 2400d RAPID INFILTRATION PIT 4/1
NOT FOR CONSTRUCTION
EXISTING SURFACE
DESIGN SURFACE
N= 80526.171 15.651 1.419 16.928 WITH 900x900 CLASS 'B' GRATE
.......................
2.63
600(2)
0.770
0.620
40.363
106.95
0.94%
APPROVAL
110.753 E= 8362.912 16.850 15.273 1.577 16.346 1500sq x 2400d RAPID INFILTRATION PIT 4A/1
AS PER
N= 80497.065 15.272 1.578 16.231 WITH 900x900 CLASS 'B' GRATE
NOTE: ONLY DRAWINGS MARKED "FOR CONSTRUCTION" AND BEARING AN ORIGINAL SIGNATURE SHALL BE USED FOR CONSTRUCTIONDesign:
2.70
600(2)
0.789
0.620
29.974
RL12.415
106.95
0.94%
APPROVED DESIGN
PURPOSES.
Drawn: PBL
PBL
WATER PIPE
TOP OF PIPE
EXIST. 150dia
Datum AHD
140.727 E= 8342.121 16.300 14.992 1.308 15.777 1500sq x 2400d RAPID INFILTRATION PIT 4B/1
A1 SHEET SIZE
Date: AUG 2022
N= 80475.474 14.991 1.309 15.660 WITH 900x900 CLASS 'B' GRATE
Checked:. . . . . . . . . . .
2.72
9.749
600(2)
0.795
0.620
106.95
0.94%
150.476 E= 8335.392 16.150 14.900 1.250 15.225 370mm CLEARANCE 1050dia MANHOLE WITH 5/1
N= 80468.420 13.650 2.500 14.459 IMPERVIOUS BOLT DOWN LID
1
2.89
600(2)
0.844
1.756
13.33
16.004
7.50%
166.480 E= 8332.957 13.500 12.450 1.050 14.182 900x900 GRATED PIT 6/1
N= 80452.602 11.500 2.000 13.410 320mm CLEARANCE BOLT DOWN CLASS 'B' GRATE
Q100
2.90
600(2)
6.143
0.848
1.697
14.29
7.00%
172.623 E= 8331.661 13.350 11.070 2.280 13.303 1200x1200 GRATED PIT WITH 7/1
N= 80446.597 11.050 2.300 12.338 BOLT DOWN CLASS 'D' GRATE
-1.0
3.20
RL11.736
750(2)
27.72
2.205
1.460
22.179
3.61%
WATER PIPE
TOP OF PIPE
EXIST. 150dia
194.802 E= 8353.311 13.200 10.250 2.950 11.987 1200x1200 GRATED PIT WITH 7A/1
N= 80441.781 10.230 2.970 11.715 345 CLEARANCE IMPERVIOUS BOLT DOWN LID
3.20
750(2)
5.509
63.21
1.460
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