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Attachment 8 - Interim Stormwater Management Plan - TOPO · 132005.638.06
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DRAIN CALCULATIONS - 10% AEP
DEPTH
CATCH TIME OF LONG. SIDE SLOPE SIDE SLOPE MANNING
FLOW - Q BASE MAX PERM DESIGN VEL DEPTH OF WITH DRAIN TOP OK /
DRAIN ID AREA ARI CARI CONC IARI SLOPE 1 2 LINING ROUGH
(m3/s) WIDTH VEL (m/s) (m/s) FLOW (m) F/BOARD WIDTH (m) NOT OK
(HA) (MINS) (m/m) (1 in x) (1 in x) COEFF
(m)
DW1 - START 0.3 10 0.8 10 180 0.12 0.001 1 2 2 Concrete 0.015 7 0.54 0.17 0.32 2.27 OK
DW1 - END 2 10 0.8 10 180 0.80 0.001 1 2 2 Concrete 0.015 7 0.92 0.46 0.61 3.42 OK
DW2 2.8 10 0.8 10 180 1.12 0.005 1 2 2 Concrete 0.015 7 1.81 0.36 0.51 3.04 OK
DW3 - START 1.67 10 0.8 10 180 0.67 0.005 1 2 2 Concrete 0.015 7 1.57 0.28 0.43 2.70 OK
DW3 - END 3.67 10 0.8 10 180 1.47 0.005 1 2 2 Concrete 0.015 7 1.95 0.41 0.56 3.25 OK
DW4 1.67 10 0.8 10 180 0.67 0.005 1 2 2 Concrete 0.015 7 1.56 0.28 0.43 2.70 OK
DW5 - START 0.63 10 0.8 10 180 0.25 0.005 1 2 2 Concrete 0.015 7 1.17 0.16 0.31 2.25 OK
DW5 - END 1.67 10 0.8 10 180 0.67 0.005 1 2 2 Concrete 0.015 7 1.56 0.28 0.43 2.70 OK
DRAIN CALCULATIONS - 1% AEP
DEPTH
CATCH TIME OF LONG. SIDE SLOPE SIDE SLOPE MANNING
FLOW - Q BASE MAX PERM DESIGN VEL DEPTH OF WITH DRAIN TOP OK /
DRAIN ID AREA ARI CARI CONC IARI 3
SLOPE 1 2 LINING ROUGH
(m /s) WIDTH VEL (m/s) (m/s) FLOW (m) F/BOARD WIDTH (m) NOT OK
(HA) (MINS) (m/m) (1 in x) (1 in x) COEFF
(m)
DW1 - START 0.3 100 0.96 10 258 0.21 0.001 2 2 2 Concrete 0.015 7 0.56 0.16 0.31 3.24 OK
DW1 - END 2 100 0.96 10 258 1.38 0.001 2 2 2 Concrete 0.015 7 1.01 0.46 0.61 4.46 OK
DW2 2.8 100 0.96 10 258 1.93 0.005 2 2 2 Concrete 0.015 7 1.97 0.36 0.51 4.04 OK
DW3 - START 1.67 100 0.96 10 258 1.15 0.005 2 2 2 Concrete 0.015 7 1.68 0.27 0.42 3.68 OK
DW3 - END 3.67 100 0.96 10 258 2.52 0.005 2 2 2 Concrete 0.015 7 2.14 0.42 0.57 4.27 OK
DW4 1.67 100 0.96 10 258 1.15 0.005 2 2 2 Concrete 0.015 7 1.68 0.27 0.42 3.68 OK
DW5 - START 0.63 100 0.96 10 258 0.43 0.005 2 2 2 Concrete 0.015 7 1.22 0.15 0.30 3.21 OK
DW5 - END 1.67 100 0.96 10 258 1.15 0.005 2 2 2 Concrete 0.015 7 1.68 0.27 0.42 3.68 OK
CONCRETE
CONCRETE LINED
LINED CONCRETE LINED
1 :2 1:2 1:2
1:2
0.5m
0.5m
VARIES VARIES
1m
0.6m m 2m m
DIVERSION
10% DRAIN
AEP DRAIN - TYPICAL
TYPICAL DETAIL
DETAIL DIVERSION DRAIN
1% AEP - TYPICAL
DRAIN DETAIL
TYPICAL DETAIL
DRAIN DEPTHS: DRAIN DEPTHS:
DW1 START - 0.32m DW1 START - 0.31m
DW1 END - 0.61m DW1 END - 0.61m
DW2 - 0.51m DW2 - 0.51m
DW3 START - 0.43m DW3 START - 0.42m
DW3 END - 0.56m DW3 END - 0.57m
DW4 - 0.43m DW4 - 0.42m
DW5 START - 0.31m DW5 START - 0.30m
DW5 END - 0.43m DW5 END - 0.42m
CLIENT PROJECT
COPYRIGHT C NOOSA COUNCIL NOOSA LANDFILL - RRA BASIN
TOPO GROUP PTY LTD
DRAWN DESIGNED DATE DRAWING TITLE
B REVISION FOLLOWING CLIENT COMMENTS KR 29/04/24
ISSUED FOR USE
THIS DOCUMENT MAY NOT BE COPIED OR KR KR 16/04/24 CONCEPT DRAINAGE AND BASIN
TRANSMITTED IN ANY FORM OR BY ANY
A ORIGINAL ISSUE KR 16/04/24 MEANS IN PART OR IN WHOLE WITHOUT
RPEQ / SIGNATURE (IF REQUIRED) DRAINAGE CALCULATIONS AND TYPICAL SECTIONS
A3 THE WRITTEN CONSENT OF TOPO GROUP PROJECT No DRAWING No REVISION
REVISION DESCRIPTION APPROVED BY DATE PTY LTD. CPESC - 5395, RPEQ - 15954 24-0078-C D04 B
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