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LEGEND
CATCHMENT BOUNDARY
1/1
2/1
3/1
4/1
STRUCTURE NAME
SW SW EXISTING STORMWATER
SW SW PROPOSED STORMWATER
with HEAVY DUTY TRAFFICABLE GRATE
with HEAVY DUTY TRAFFICABLE GRATE
STORMWATER MANHOLE NUMBER
ROAD FINISH SURFACE CONTOURS
900 x 600mm GRATED INLET
900 x 600mm GRATED INLET
900 x 600mm GRATED INLET
3.2
Q2 FLOW PATH STRUCTURE DESCRIPTION
T
R
HEADWALL
U
CATCHMENT AREA
O
C
CA13 CATCHMENT NAME
R
O
YL
TA
EXISTING EARTH Q10 HGL
BUND TO BE (10% AEP)
RETAINED
DISCHARGE TO
EXISTING DRAINAGE
CA01 RESERVE
0.2668 ha
ROOFWATER
STUB
CA02
0.2558 ha
900x600 GRATED INLET ROOFWATER
WITH HEAVY DUTY STUB PIPE SIZE (mm) 375 (2x)300 (2x)375
TRAFFICABLE GRATE 2 2 2
PIPE CLASS
PIPE GRADE (%) 3.73% 2.29% 1.08%
STORMWATER CA03 PIPE SLOPE (1 in X) 26.8 43.7 92.4
0.1953 ha
900x600 GRATED INLET PIPE FLOW (cumecs) 0.109 0.228 0.367
CA04 3m WIDE 0.339 0.293 0.365
WITH HEAVY DUTY CAPACITY FLOW (cumecs)
0.4184 ha STORMWATER
TRAFFICABLE GRATE
DRAINAGE FULL PIPE VELOCITY (m/s) 0.99 1.61 1.66
EASEMENT NORMAL DEPTH VELOCITY (m/s) 2.73 2.29 1.88
DATUM RL 103.000
120.299
0.900 119.940
0.921 118.518
0.942 118.315
0.450 117.697
0.450 117.563
0.800 117.510
STORMWATER
HGL ELEVATION
900x600 FIELD INLET WITH
ROOFWATER STUB
0.800
TO EXISTING PIT STUB TO LOT 3 DEPTH TO INVERT
119.697
491597.375E 118.998 118.077
118.056
491623.560E 117.700 117.250
117.250
491627.006E 118.000 117.200
117.200
STORMWATER DISCHARGE TO INVERT LEVEL OF DRAIN
STORMWATER EXISTING DRAINAGE RESERVE
491565.427E 120.597
EXISTING DESIGN SURFACE LEVEL
FIELD INLET DRAINAGE
7076057.002N
7076027.494N
7076003.887N
7076000.811N
RESERVE
SETOUT COORDINATES
0.000
43.491
78.746
83.365
CHAINAGE 43.491 35.255 4.619
LINE SW1
PROJECT: JOB NUMBER
REV DATE DESCRIPTION BY CHKD SCALE APPROVED 2023
A 05-06-20 ORIGINAL ISSUE AD CL
DATUM AHD SHEET: 10 OF ..
0 10 20 30 40 50m
DESIGN AD ................. DRAWING NUMBER REV
DRAWING TITLE:
DRAWN AD Director: CAMERON LANDRETH
SCALE 1:1000 A3
DESIGN CHECK CL (RPEQ 19358) 07 5443 8285
R10 A
[email protected] www.barlowshelley.com.au
This drawing is not to be copied or amended without written permission from
DATE JUNE 2020 Barlow Shelley Consulting Engineers PO Box 899, Maroochydore,4558 ABN 89 215 591 077
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