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Attachment 2 - 1856-Stormwater Rev. F
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BREAK UP & REMOVE EXISTING
KERB RAMP TO TIP & REINSTATE
KERB AS DIRECTED
HOFMANN DRIVE 1.14m 3.39m 1.1m 1.2m 1.1m 0.5m
HO
150mm EXTENDED DETENTION
FOR HOFMANN DRIVE EXTENDED DETENTION
BIORETENTION BASIN AREA=20m2 REFER TO KERB OPENING
F
WSL 3.88m (AHD)
M
BATTER RL4.27
DN150 SOLID PIPE DETAIL ON PLAN 1856-SW19
AN
INLET RL3.93
TO RCP HEADWALL DN100 SLOTTED PVC
BATTER RL4.03
N
SUBSOIL PIPE
INV RL4.03
DR
LIP RL4.07
FOR HOFMANN DRIVE
IV
BIORETENTION BASIN AREA=15m2 1
<2.5% VERGE
E
WITH 1:2 BATTERS TO PERIMETER
24 1:2
>
0 8.9%>
IL2.7 3xDN300x225 BOX CULVERT AT 0.5%> <1
:2 1:2
>
D
W22 BIO BASIN RL3.73
S
SW
RCP
0.9m
0 N375
IL2.6 NEW D
.55 PROVIDE RAISED STONES
IL2
IL2
FOR ENERGY DISSIPATION
SW
SW
FILTER IL2.83
D 150mm THICK CONCRETE SL62
.6
2
6
SW2 REINFORCING, 50mm TOP COVER
.50
IL2 D122
SW
FH 100Ø SLOTTED PVC DRAINS CONNECT
BREAK KERB 300mm WIDE & INTO GRATED PIT. GRADE AT 0.5%
BREAK KERB 300mm WIDE &
PROVIDE DN300x225 BOX
PROVIDE 3xDN300x225 BOX
CULVERT & OUTLET TO BIO BASIN
CULVERT & OUTLET TO BIO BASIN
D12 DN100 PVC
SW2 SHIFT FH WHEN
SLOTTED UNDER DOING LIVE WORKS
DRAIN PIPES CONNECTION BIO-RETENTION BASIN 4 - SECTION D
TYP. AT MAX SCALE 1:50 (A3)
BIO-RETENTION BASIN 4 & 4/A - DETAIL PLAN 600x900 RC PRECAST
SCALE 1:250 (A3) 0.150m STORMWATER INLET PIT
0.150m
EXTENDED WITH RAISED GRATE;
DETENTION REFER TO DETAIL
FILTER MEDIA SL3.73
PLACED LAYER/ROW OF 150MINUS ROCK ON
BIDUM A14 GEOFABRIC AT BASE OF CHUTE.
DEPTH: 0.9m
WRAP GEOFAB UNDER CONCRETE SPILLWAY. 0.6m DEEP FILTER MEDIA LAYER
PLACED ROCK TO SIT ABOVE SPILLWAY FSL
0.1m DEEP TRANSITION LAYER
0.2m DEEP DRAINAGE LAYER
CONCRETE OVERFLOW 0.5% (MIN)
WEIR 150mm N32 MASS DRAINAGE PIPES BASE SLOPE
REFER TO KERB OPENING OUTLET PIPE DN375
CONCRETE C.I. CAP TO EXTEND (TYP)
PROVIDE LOCKING IL2.70
WEIR RL3.98 DETAIL ON PLAN 1856-SW19
FUNCTION OR SECURE APPROX. 150mm ABOVE
TOP OF BUND RL4.18 CAP WITH SCREWS BASIN SURFACE
VERGE RL4.31
BIO-RETENTION BASIN 4 - INLET
INLET RL3.93
WEIR RL4.18
NOT TO SCALE
EXTENDED DETENTION
INV RL4.01
LIP RL4.05
WSL 3.98m (AHD)
SUBSOIL DRAIN CLEANOUT - PVC PIPE
2.5%> (NON SLOTTED) AND CONNECTOR TEMPORARY TURF
1:2 CLEANOUTS AT HEAD OF SUBSOIL
:2 <8.9% BELOW.
<1:4 > <1 DRAIN
BIO BASIN RL3.78 DN300x225 BOX CULVERT AT <0.5%
0.9m
50mm TOP SOIL
FILTER IL2.88
SW
SW
SW
SW
GOETEXTILE FABRIC
WRAPPED OVER COMPLETE
PROVIDE RAISED STONES FILTER MEDIA
150mm THICK CONCRETE SL62
FOR ENERGY DISSIPATION CLEANOUT POINT DETAILS
NOT TO SCALE BIORETENTION BASIN
BIDUM A14 REINFORCING, 50mm TOP COVER
UNDER-DRAIN: SLOTTED RIGID PIPE TO AS2439.1 OR REFER TO TYPICAL
APPROVED EQUIVALENT, 0.5% MIN. GRADE. DIA TYPICALLY CROSS SECTION.
PIPE JOINTS SHALL BE GLUED USING PLUMBING CEMENT.
FILTER SOCKS NOT TO BE USED. UNDER-DRAINAGE PIPES
BIO-RETENTION BASIN 4A - SECTION D1 SHALL BE SEALED INTO PITS USING GROUT OR APPROVED
SCALE 1:100 (A3) WATERTIGHT SEAL. TEMPORARY COVER DETAIL
NOT TO SCALE
PROJECT: JOB NUMBER
REV DATE DESCRIPTION BY CHKD DRAWN
I GDETAL
IS SCALE APPROVED PROPOSED SUBDIVISION 1856
A 13-09-19 FOR APPROVAL MM CL AT NOOSA CIVIC, WALTER HAY DRIVE
B 24-08-20 REVISED STORMWATER ALIGNMENT MM CL DATUM AHD SHEET: 22 OF 30
0 2.5 5 7.5 10 12.5m FOR STOCKWELL PTY LTD
C
D
21-09-20
16/10/20
REVISED FOR NOOSA COUNCIL DRAFT CONDITIONS
REVISED AS PER COUNCIL RFI [29/09/20]
MM
MM
CL
CL
DESIGN MM ................. DRAWING NUMBER REV
DRAWING TITLE:
DRAWN MM Director: CAMERON LANDRETH
E 26-11-20 REVISED AS PER COUNCIL RFI [5-11-20] MM CL SCALE 1:250 A3 p 07 5443 8285 ABN 89 215 591 077
F 10-12-2020 AMENDED LINE 24 BIO BASIN MINOR CHANGES DTB DTB DESIGN CHECK (RPEQ 19358) e [email protected] w www.barlowshelley.com.au
BIO-RETENTION BASIN LAYOUT & DETAIL PLAN SW22 F
CL
This drawing is not to be copied or amended without written permission from a PO Box 899, Maroochydore,4558 SHEET 4 OF 6 'HOFMANN DRIVE'
DATE 13-09-19 Barlow Shelley Consulting Engineers
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