Original source · versioned page text
19553-C1000[A]-C1300[A} - full set
Attached to the e-mail Operational Works Application OPW20/0051 -Cover letter - DA Form 1 - Civil Plans.
Original PDF page 16, section 1. The text section number identifies this passage in the reader.
CULVERT X2 CULVERT X9
LOT 10 OPEN CHANNEL : 0-B to CULVERT X9
MINOR STORM Q5 = 175 L/s
MAJOR STORM Q100 = 367 L/s
UPPER REACHES OF DRAIN (0-B to 50m DOWNSTREAM) LOWER REACHES OF DRAIN (50m DOWNSTREAM to CULVERT X9)
Q100 Q100 Q100 Q100
CHANNEL BASE = 0m : Sf = 1.0% : BANK SLOPES = 1 in 4 : n = 0.030 CHANNEL BASE = 1m : Sf = 1.0% : BANK SLOPES = 1 in 4 : n = 0.030
Q5 Q5 Q5 Q5
Q5 175 L/s d = 0.236 m V = 0.79 m/s Q5 175 L/s d = 0.107 m V = 1.15 m/s
Q100 367 L/s d = 0.312 m V = 0.95 m/s Q100 367 L/s d = 0.158 m V = 1.43 m/s
Qcap 1296 L/s d = 0.500 m V = 1.30 m/s Qcap 2157 L/s d = 0.375 m V = 2.30 m/s
Q100 Q5 Q100 Q5
4.0m EASEMENT 4.0m EASEMENT
Q100 367 L/s : d 0.312 m Q100 367 L/s : d 0.158 m
1 in 4 1 in 4 1 in 4
1 in 4
1.0m BASE
WILGEE COURT DISCHARGE
Q100
UPSTREAM CATCHMENT (1-A & 2-A) = 0.182 ha EXTRACT FROM STORMWATER MANAGEMENT PLAN
Q100 While there is predicted to be some increase in peak flow from
DEVELOPED SCENARIO DISCHARGE Catchments D and E the magnitude of these flows are likely to be
CRITICAL TIME OF CONCENTRATION = 8 mins small compared to the flows reporting to the culverts under Lake
ΣCA5 = 0.130 ha INTENSITY = 164 mm/hr Q5 = 59 l/s MacDonald Drive and flows within in the main creek downstream of
ΣCA100 = 0.166 ha INTENSITY = 274 mm/hr Q100 = 126 l/s this location. It is considered, given the characteristics of the
discharge location, unlikely that a minor increase in peak flow at this
D:\JF\Dropbox\2019\19553sd2_Lake_MacDonald_Drive_Subdivision\4.CADD\#ACAD\19553_CIVIL.dwg
UNDEVELOPED SCENARIO DISCHARGE location will alter the flooding or drainage conditions at this location.
It is considered unlikely that the minor increase in peak flows will
CRITICAL TIME OF CONCENTRATION = 15 mins cause nuisance or damage to third party property.
ΣCA5 = 0.122 ha INTENSITY = 127 mm/hr Q5 = 43 l/s
ΣCA100 = 0.153 ha INTENSITY = 208 mm/hr Q100 = 88 l/s
CHANGE IN PEAK FLOWS
Q5
MINOR STORM Q5 = 16 l/s
Q5 MINOR STORM Q100 = 38 l/s
COPYRIGHT © Associated Consultants Client Drawn Verified Project Drawing Title Scale Sheet Size
LD DR
This drawing is subject to
copyright in accordance with TEATREE PROPERTY PTY LTD LAKE MACDONALD DRIVE DRAINAGE CALCULATIONS A1
the agreement between TOD Designed Verified
Consulting Pty Ltd (tc) and tc's LD DR RURAL RESIDENTIAL SUBDIVISION Drawing Number
client. This drawing shall only
be used for this specific project. Approved RPEQ No RP DESCRIPTION 8RP160703 : 2RP852009 : 3RP137375 : 140MCH978 : 101SP142407 19553-DG-CLC
This drawing shall not be used Noosa: 07 5449 9600 Sunshine Coast: 07 5329 3190 D REYNOLDS 9072 LOCAL AUTHORITY NOOSA SHIRE COUNCIL
MCU APPROVAL - HORIZ DATUM GDA94 / MGA Z56 0 10 20 30 40 50 60 Sheet Revision
for construction until marked as PO Box 61, Noosaville, QLD 4566 Signed
A 24.03.20 OPW SUBMISSION LD [email protected] www.todconsulting.com ROL APPROVAL RAL 19/0018 VERT DATUM AHD
'Issued For Construction' in the
revision description. Rev Date Revision Description Drawn ABN 39 128 805 336 24.03.20 OPW APPROVAL RL DATUM MEASUREMENT BAR - INCREMENTS IN mm 16 of 16 A
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