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Stormwater Management Plan 12_05_26
Original PDF page 36, section 1. The text section number identifies this passage in the reader.
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1/EX
1/B
2/EX
STRUCTURE NAME
DETENTION TANK
STRUCTURE DESCRIPTION
FIELD INLET
FIELD INLET
FIELD INLET
FIELD INLET
FIELD INLET
FIELD INLET
FIELD INLET
600x600
600x600
600x600
900x900
900x600
450x450
900x900
DESIGN SURFACE
SURVEY SURFACE
10% AEP HGL
PIPE SIZE (mm) 225 225 225 373 373 225
PIPE CLASS & TYPE PP SN8 PP SN8 PP SN8 PP SN8 PP SN8 PP SN8
PIPE GRADE (%) 11.26% 5.68% 5.00% 0.56% 0.48% 1.32%
PIPE SLOPE (1 in X) 8.9 17.6 20.0 180.0 207.7 75.5
FULL PIPE VELOCITY (m/s) 0.24 0.68 0.67 1.08 1.07 0.30
NORMAL DEPTH VELOCITY (m/s) 2.76 2.92 2.78 1.80 1.70 1.37
PIPE FLOW (cumecs) 0.010 0.027 0.027 0.118 0.117 0.012
CAPACITY FLOW (cumecs) 0.218 0.155 0.145 0.186 0.173 0.075
DATUM RL 99.000 96.000
109.772
109.750
106.832
106.827
106.737
105.784
105.049
104.988
104.816
103.968
103.803
103.820
103.832
103.723
103.665
103.447
103.398
102.791
102.759
102.351
HGL IN PIPE &
WSE IN STRUCTURE
110.491
107.536
106.225
107.499
105.087
104.536
103.706
104.000
NATURAL SURFACE LEVEL
109.670
106.800
106.600
105.720
104.851
104.750
103.550
103.490
103.470
103.440
103.146
102.670
102.290
102.290
INVERT LEVEL
Filename: C:\PROJECTS\240444 - SOCIAL HOUSING - 62 LAKE MACDONALD DRIVE, COOROY\3.0 CAD\DRAWINGS\OPW\240444-OPW-C-430.DWG
DEPTH TO INVERT
0.646
0.587
0.787
0.822
1.691
0.927
2.127
2.285
2.305
1.016
1.310
0.687
1.710
1.710
491578.937 E 110.310
491602.869 E 107.380
491596.508 E 106.540
491581.348 E 105.670
491587.331 E 105.770
491592.537 E 104.450
491557.507 E 103.350
491530.649 E 104.000
SETOUT LEVEL
7079053.481 N
7079063.869 N
7079078.609 N
7079077.114 N
7079094.601 N
7079099.141 N
7079105.239 N
7079093.369 N
Last Plotted: 2026-04-24 9:24 AM
SETOUT COORDS
25.489m 15.484m 2.019m 10.800m 6.230m 28.689m
-25.188
16.986
33.154
57.057
64.037
29.364
CHAINAGE
Last saved by: JACKHARRISON(2026-04-16)
0.901
0.000
LINE A B
North Point Scale Horiz. Datum Client Consultant Project Drawing
LOCAL Drawn JH Project No. Drawing No. Rev No.
COAST2BAY SOCIAL HOUSING STORMWATER
Design JH
HOUSING GROUP OPERATIONAL WORKS - CIVIL LONGITUDINAL SECTIONS
C MINOR UPDATE TO SET 24.04.26 LS
H
0m
A1 1:500
12.5 25
Vert. Datum
AHD
62 LAKE MCDONALD DRIVE, Check LS
240444 OPW-C-431 C
B FOR TENDER 16.04.26 LS 0m 1.25 2.5 RL Datum CIVIL | STRUCTURAL | GEOTECHNICAL COOROY, QLD, 4563 Approved Approved Date Signed Sheet
A FOR APPROVAL
Rev Revision Description
09.04.26 LS
Date Approved
V A1 1:50 COPYRIGHT © All rights reserved.
This work is copyright and cannot be reproduced
or copied in any form without the prior consent
SUNSHINE COAST | BRISBANE | GOLD COAST
www.arcosgroup.com.au | ABN 51 640 311 842
LACHLAN SWANN
RPEQ 21223
16.04.26 Status FOR TENDER
Size A1
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