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engineering drawings
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A-4 A-3 A-2 A-1 B-2 B-1
11°
1°
Q2100 10% AEP Q2100 10% AEP
HYDRAULIC GRADE HYDRAULIC GRADE
LINE LINE
DATUM RL 27.00 24.00
COVER (& NATURAL SURFACE) LEVEL34.60 (34.65) 34.60 (34.25) 34.60 (34.96) 34.97 (34.84) 32.20 (32.45) 30.21
DEPTH TO INVERT 0.35 0.46 0.48 0.59 0.61 1.12 1.13 1.20 0.25
HYDRAULIC GRADE LINE 34.49 34.35 34.27 34.25 34.13 34.12 33.96 31.32 31.11 30.01
INVERT LEVEL 34.25 34.14 34.12 34.01 33.99 33.85 33.84 31.00 29.96
PIPE CHAINAGE 0.00 7.13 13.75 27.94 0.00 7.42
PIPE LENGTH L=7.13 L=6.62 L=14.20 L=7.42
PIPE SIZE (mm) 150 225 225 (2x)75x125
PIPE GRADE (%) 1.51% 1.66% 0.99% 14.02%
PIPE GRADE (1 in) 1 in 66 1 in 60.1 1 in 100.7 1 in 7.1
PIPE COVER MINIMUM Cover=0.20 Cover=0.25 Cover=0.38 Cover=0.09
PIPE CLASS Class=uPVC SN10 Class=uPVC SN10 Class=uPVC SN10 Class=VC
PIPE ROUGHNESS n=0.013 n=0.013 n=0.013 n=0.013
Vcap - CAPACITY VELOCITY (m/s) Vcap=1.06 Vcap=1.46 Vcap=1.13 Vcap=2.36
Vc - CRITICAL DEPTH VELOCITY (m/s) Vc=0.91 Vc=0.99 Vc=0.99 Vc=1.05
Vn - NORMAL DEPTH VELOCITY (m/s) Vn=1.10 Vn=1.36 Vn=1.12 Vn=2.26
Vf - FULL PIPE VELOCITY (m/s) Vf=0.62 Vf=0.55 Vf=0.55 Vf=0.95
Qcap - CAPACITY FLOW (L/s) Qcap=19 Qcap=58 Qcap=45 Qcap=44
Q - PIPE FLOW (L/s) Q=11 Q=22 Q=22 Q=18
Qi - PIT INFLOW (L/s) & CHOKE (%) Qi=11 Qi=11 Qi=0 Qi=18
Ku (& Kw) - PIT LOSS FACTORS 7.23 1.43 (1.45) 0.94 (1.12) 4.53
PIT TYPE 450x450 FI 450x450 FI 600x600 FI EXISTING 450x450 FI KERB ADAPTOR
PIT SETOUT
34.97Z 30.21Z
ROAD NAME &
ROAD CHAINAGE & OFFSET
SCALE: H 1:250, V 1:25 LINE A LINE B
North Point Approved Project Address Title
37 BOTTLEBRUSH AVENUE STORMWATER SECTIONS
E 14.11.24 OPW AMMENDMENT TS MP NOOSA HEADS
D 15.03.23 RFI UPDATE BRP NW For and on behalf of RECOR Pty Ltd.
C 29.11.31 RFI UPDATE BRP NW Scale ENGINEERING & PROJECT SERVICES Client Details Project Name Sheet Size
SUNSHINE COAST | BRISBANE
B 10.10.22 RFI UPDATE BRP NW NTS www.recor.au | ABN 89 647 469 707 S & J KNOBEL RESIDENTIAL UNIT DEVELOPMENT A1
A 12.05.22 MCU / OPW ISSUE BRP NW COPYRIGHT © This drawing is subject to copyright in accordance with the agreement between RECOR Pty Ltd and RECOR's Project Number Drawing Number Revision
Rev Date Revision Description Drawn Check DO NOT SCALE, IF IN DOUBT ASK
client. This drawing shall only be used for this specific project. This drawing shall not be used for construction until marked as
'Issued For Construction' in the revision description. 20220051 C42 A
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