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9307-OPW RFI 1 Civil Plans
Original PDF page 17, section 1. The text section number identifies this passage in the reader.
LOCATION SUB-CATCHMENT RUNOFF INLET DESIGN DRAIN DESIGN HEAD LOSSES PART FULL DESIGN LEVELS DESIGN:
STORMWATER DRAINAGE DESIGN STORM
Vf=
MODELLED IS 10 YEAR RETURN PERIOD (10%
Vfﾲ/
Qc Qa Qg Qb Qrat Q Q/A Qcap Vcap 2g AEP) AS STANDARD. NO ASSESSMENT
Tc I C A CA G X B Tc I CA L S Vt Ku hu Kw hw Sf hf dn Vn
UNDERTAKEN FOR 100 YEAR RETURN
STRUCTURE No.
STRUCTURE No.
VELOCITY HEAD
DRAIN SECTION
CONTRIBUTING
ROAD XFALL AT
SURFACE LEVEL
CHART(S) USED
U/S HEAD LOSS
U/S HEAD LOSS
REACH LENGTH
NT DISCHARGE
SUB-CATCHME
SUB-CATCHME
SUB-CATCHME
PERIOD (1% AEP) AS SITE IS FREE DRAINING
CRITICAL TIME
PIPE U/S H.G.L
PIPE D/S H.G.L
PIPE FRICTION
PIPE FRICTION
CATCHMENT
COEFFICIENT
BYPASS FLOW
(INC. BYPASS)
FLOW IN K&C
TOTAL (C x A)
CO-EFFICIENT
ROAD GRADE
NT TIME OF
INLET CURVE
EQUIVALENT
COEFFICIENT
OF RUNOFF
HEAD LOSS
OF CONC.
FREEBOARD
PIPE GRADE
NT AREA
BYPASS
PEAK FLOW
TO HOFMANN DRIVE.
FLOW INTO
PIPE U/S I.L
DEPTH VEL.
PIPE D/S I.L
CHANGE IN
AT INLET
INLET TYPE
PIPE FLOW
BLOCKAGE
CONC.
INLET
INTENSITY
INTENSITY
SLOPE
NORMAL
RAINFALL
RAINFALL
CAPACITY
CAPACITY
VELOCITY
VELOCITY
VELOCITY
FULL PIPE
W.S.E
FACTOR
AREA
NORMAL
PIPE SIZE
TRAVEL
W.S.E
INLET
EXTERNAL STORMWATER SYSTEM:
DEPTH
FLOW
W.S.E
EXISTING, EXTERNAL STORMWATER SYSTEM
UPSTREAM AND DRAINING PAST
DEVELOPMENT SITE ALSO MODELLED TO
mm/h L/s L/s L/s L/s mm/ L/s L/s m/s L/s m/s m/s m/s
min C ha ha % % min ha m % mm m m m % m m m m m m m m m CONFIRM IMPACT OF UPSTREAM RUNOFF
hr
WHEN BYPASSING SITE.
EX2/10 EX2/10 1.00 3.00 EXISTING MANHOLE T2/T 0.33 0.00 0.00 2.73 4.25 1.52
LIMITED MODELLING OF THE DOWNSTREAM
5 STORMWATER SYSTEM TO CENTRE LINE OF
RW1/R1 HOFMANN DRIVE BEEN UNDERTAKEN TO
RW1/R1 RW1/R1 5.0 221 0.86 0.02 0.02 10 10 1.00 3.00 ROOFWATER CONNECTION 10 5.00 221 0.016 10 10 2.8 1.01 150 0.56 15 0.87 2.00 G1 0.02 6.26 0.10 0.10 1.16 0.03 0.09 0.92 4.22 4.19 4.31 4.28 4.41 4.97 0.56
to F1/01 DEMONSTRATE GRADING AND HGL. IT IS
STD FIELD INLET TYPE 2A; 600 x 600 T9/T ASSUMED THAT DOWNSTREAM NETWORK
F1/01 F1/01 1.00 3.00 1.00 2.46 0.00 3.55 0.00 4.08 4.96 0.89
GRATE 10 HAS CAPACITY FOR PROPOSED
RW1/R2 DEVELOPMENT(S)
RW1/R2 RW1/R2 5.0 221 0.90 0.03 0.02 15 15 1.00 3.00 ROOFWATER CONNECTION 15 5.00 221 0.024 15 15 2.4 1.16 150 0.83 16 0.93 2.00 G1 0.04 4.63 0.16 0.16 1.22 0.03 0.11 1.05 4.18 4.15 4.29 4.26 4.46 5.00 0.54
to F2/01
STD FIELD INLET TYPE 2A; 600 x 600 T3/T
F2/01 F2/01 1.00 3.00 1.00 SAG F1/05 1.89 0.01 2.24 0.01 4.07 4.90 0.83
GRATE 6
RW1/R3
RW1/R3 RW1/R3 5.0 221 0.90 0.02 0.01 9 9 1.00 3.00 ROOFWATER CONNECTION 9 5.00 221 0.015 9 9 3.4 1.34 150 0.51 18 1.00 2.00 G1 0.01 6.63 0.09 0.09 1.68 0.04 0.08 1.00 4.19 4.14 4.27 4.21 4.36 4.94 0.58
to F1/02
STD FIELD INLET TYPE 2A; 600 x 600 T9/T
F1/02 F1/02 1.00 3.00 1.00 2.14 0.00 3.29 0.00 4.11 4.89 0.78
GRATE 10
RW1/R4
RW1/R4 RW1/R4 5.0 221 0.90 0.02 0.02 9 9 1.00 3.00 ROOFWATER CONNECTION 9 5.00 221 0.015 9 9 3.4 3.34 150 0.53 28 1.57 2.00 G1 0.01 6.47 0.09 0.09 4.20 0.08 0.06 1.42 4.22 4.11 4.31 4.17 4.40 5.00 0.60
to F2/02
STD FIELD INLET TYPE 2A; 600 x 600
F2/02 F2/02 1.00 3.00 1.00 SAG F3/02 T6 2.07 0.01 2.39 0.01 4.04 4.87 0.82
GRATE
RW1/R5
RW1/R5 RW1/R5 5.0 221 0.90 0.01 0.01 6 6 1.00 3.00 ROOFWATER CONNECTION 6 5.00 221 0.009 6 6 2.9 2.51 150 0.31 24 1.37 2.00 G1 0.01 7.00 0.04 0.04 3.16 0.06 0.05 1.11 4.22 4.14 4.28 4.19 4.32 4.97 0.65
to F4/03
STD FIELD INLET SAG TYPE 2A; 600
F4/03 F4/03 10.0 171 0.78 0.00 0.00 1 1 1.00 3.00 x 600 GRATE; OVER 1050mm 1.00 SAG 1 F3/03 3.86 4.89 1.03
MANHOLE
RW1/R6
RW1/R6 RW1/R6 5.0 221 0.88 0.03 0.03 17 17 1.00 3.00 ROOFWATER CONNECTION 17 5.00 221 0.028 17 17 3.3 1.83 150 0.98 21 1.17 2.00 G1 0.05 4.11 0.20 0.20 2.32 0.05 0.10 1.30 4.12 4.06 4.25 4.17 4.44 4.88 0.43
to F3/03
STD FIELD INLET SAG TYPE 2A; 900 T9/T
F3/03 F3/03 10.0 171 0.78 0.01 0.01 5 10 1.00 3.00 1.00 SAG 10 LOST 2.49 0.02 2.74 0.03 4.12 4.81 0.69
x 600 GRATE 10
STORMWATER DRAINAGE CALCULATION TABLE - MINOR
DESIGN STORM: 10% AEP (1 IN 10 YEAR ARI)
CONSULTANT: MPN CONSULTING PTY LTD
CONTACT: TOBY TAWDE MUSPRATT
(RPEQ 24982)
TELEPHONE: (07) 3335 4595
DATE 30/01/2026
B 13.04.26 RFI RESPONSE MG TTM
A 30.01.26 FOR APPROVAL TTM LS
ISSUE DATE AMENDMENT BY APP
COPYRIGHT: THIS DESIGN AND PLANS ARE NOT TO BE USED OR REPRODUCED WHOLLY OR IN
PART WITHOUT WRITTEN PERMISSION OF MPN CONSULTING PTY LIMITED 2023 ©
ABN: 39 062 191 799
P: 61 7 3335 4555
E: [email protected]
Level 4, Building 3,
Kings Row Office Park,
42 McDougall Street, Milton, QLD, 4064
CLIENT:
NOT FOR CONSTRUCTION
STOCKWELL DEVELOPMENT GROUP PTY LTD
NOOSA EARLY LEARNING CENTRE
LOT 4 NOOSA
63-65 HOFMANN DRIVE
NOOSAVILLE, QLD 4566
STORMWATER DRAINAGE
CALCULATIONS - MINOR SHEET 2
DESIGN: TTM DRAWN: TTM SCALES: AS SHOWN
CHKD: LS APPRD: TTM DATE: 30.01.2026
mpn JOB DRAWING No. REV
9307 SW.5.02 B
FOR APPROVAL
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