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Attachment 4 - Engineering Plans
Plans and drawings
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Log in to see the plans as drawn Peak Flow for Subject Lot
Total Catchment Area = 388m² Time of Concentration 5 min
Intensity Runoff Coefficient
ARI AEP% fi C10 FY A (m²) Q(peak flow) = CIA (L/s)
(mm/hr) (Cy)
Q1 63 125 0.00 0.53 0.8 0.424 388 5.71
Q2 39 161 0.00 0.53 0.85 0.451 388 7.82
Q5 20 193 0.00 0.53 0.95 0.504 388 10.47
Q10 10 227 0.00 0.53 1 0.530 388 12.97
Q20 5 259 0.00 0.53 1.05 0.557 388 15.53
Q50 2 301 0.00 0.53 1.15 0.610 388 19.77
Q100 1 333 0.00 0.53 1.2 0.636 388 22.83
Peak Flow for Subject Lot Without Water Tank IO
DP
Total Catchment Area = 388m² Time of Concentration 5 min
Intensity Runoff
ARI AEP% fi C10 FY A (m²) Q(peak flow) = CIA (L/s)
°5 6m
(mm/hr) Coefficient(Cy) 12
"
0Ø 0' 00
9
43 5.9
19 °00
1
.7
Q1 63 125 0.6 0.82 0.8 0.656 388 8.84 67 '
Proposed
Q2 39 161 0.6 0.82 0.85 0.697 388 12.09
10
Residence
Q5 18 193 0.6 0.82 0.95 0.779 388 16.20
Q10 10 227 0.6 0.82 1 0.82 388 20.06
Q20 5 259 0.6 0.82 1.05 0.861 388 24.03 SUBJECT 35.0
0
43 120
0'
.
°5
IO DP LOT
34
Q50 2 301 0.6 0.82 1.15 0.943 388 30.59
Q100 1 333 0.6 0.82 1.20 0.984 388 35.32
SW
Peak Flow for Subject Lot With 2000L Tank
15 Nominated Position
Total Catchment Area of Roof = 151m² Time of Concentration 5 min 0Ø For Water Tank.
.00
2000L Water 2000L Water Tank Flow
SW
34
m
Final Subject Lot
0"
4
ARI AEP% Tank Tank Outflow Difference
'0
m
.5
Peak Flow (L/s)
"
15
00
8
00
Inflow(L/s) (L/s) (L/s)
.1
18
'
8°
50
21
0
°
Q1 63 5.24 1.06 4.18 4.66
.0
43
SW
36
Q2 39 6.75 1.22 5.53 6.56
36.00
21
30
8°
.3
9
15
Q5 18 8.10 1.35 6.75 9.45 Existing 00 m 0Ø
SW
MH '0
0"
Q10 10 9.52 1.47 8.05 12.01
SW Residence
Q20 5 10.86 1.58 9.28 14.75
SW
Outlet to
ing
Exist
Q50 2 12.63 1.72 10.91 19.68 SW
Kerb.
.00
V rt
Carpo
35
Q100 1 13.97 1.81 12.16 23.16
SW
SW
Nominated 2000L MH
Poly Tank ting
21 74 m
Exis ay SW
.00
'
00
SW
ew
.
Driv
12
8°
'Water Tank Factory'
34
31 16
1° .02
31 1 SW
'20
"
SW
ET
RE
SW
ST
SW
A
UR
1. 8
30 213 SW 17 '
NT
5° 3. °34
21 3.17 2
VE
'0
290 8 3.178 23
SW
°48
Nominated 20mmØ ' SW 261°41'
Controlled Outlet
SW
SW
35.00
MH
Ground OR
EA
LLA
N.T.S CR
ES
CEN
Scale 1:250 T
5 0 5 10 15 20 25
No. Description Date Mat Deighton APPROVED
AAA Design & Development Pty Ltd STORMWATER DESIGN
34/13 Norval Court, MAROOCHYDORE, QLD 4558 14 Orealla St,
Project number D139-01
Tel/Fax: (07) 5479 6747 SUNRISE BEACH, QLD 4567
Mob: 0422 039 247 Date 05/10/2022 3951-14
email: [email protected] design & For & on behalf of AAA
Drawn by K.A.J
Development Pty Ltd
PROPOSED DWELLING Design & Development Consulting Checked by D.L.T Scale @ A3 1:250
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