RFI Eng response notice items 4-19 MCU150111

 

MATCH EXISTING
LEVELS AT BOUNDARY
RL 97.7m AHD

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T
|
S
S| i a] ‘tm WIDE BASIN EMBANKMENT
| | -| RL 101.0m AHD
L EXISTING DAM AND EMBANKMENT TO
| fl | BE RECONSTRUCTED TO FORM COMBINED
\ | BIORETENTION AND DETENTION BASIN
| L W
| Se | WS
|S
| tin 4 |
‘|
Vv | Dy
| |— NORTH BASIN - COMBINED BIORETENTION UZ
| AND DETENTION STRUCTURE
| FILTER AREA: 450m? .
| TOTAL BASIN SURFACE AREA: 530m? .
EXTENDED DETENTION DEPTH: 0.3m .
| FILTER DEPTH: 0.4m .
DETENTION VOLUME TO 100 YR ARI WSL:|~ , * 3
. ‘in
\ 1,200m? (EXCLUDING STORMWATER we Roo are
| QUALITY PONDING DEPTH) . (\ ,
wy eee we . y
| a er ee
| vv oe ew ev ee \\ SECONDARY OUTLET
| wee ee we eee |) PIT AT RL 100.5m AHD
| PROPOSED SEDIMENT FOREBAY See yore iN OUTLET PIPE [3750 RCP)
| ENERGY DISSIPATER TO CAPTURE CN De 9780 AMD
COARSE SEDIMENTS AND PROVIDE a Gey ‘| vm
| BASIN SCOUR PROTECTION 5 as 1 in 3
| Sf ae y fo \ MATCH EXISTING
| PROPOSED RETAINING vo — LEVELS AT BOUNDARY
| WALL (0.5m MAXIMUM vo RL 97.8m AHD
HEIGHT) hey
| ~A
| OVERFLOW WEIR FOR
| In — MAJOR STORM EVENTS
i RL 100.55mAHD (REFER
| g TO DRG No.
| B14158.W-SK106)
| EMERGENCY WEIR FOR
| EXTREME STORM EVENTS
\ RL 100.70mAHD (REFER TO
\ 70270 \ DRG No. B14158.W-SK106)
N A
N 7
~ —- PROPOSED RETAINING WALL
| (MAX HEIGHT 1.5m)
PEAK FLOWS UP TO
AND INCLUDING THE
aoc occ rrr rrr rrr 100 YR ARI STORM TO —~———T 4}
2 BE DIRECTED TO BASIN
4
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TENNIS
COURTS

 

 

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LEGEND:
SITE BOUNDARY
EXISTING CONTOURS
‘swo———— swo- PROPOSED STORMWATER DRAINAGE

 

 

BIORETENTION FILTER

 

ROCK ARMOURING/
ENERGY DISSIPATER

 

 

 

INDICATIVE DESIGN LEVELS

FLOW DIRECTION

 

NOTES:

LAYOUT OF THE PRELIMINARY STORMWATER MANAGEMENT
STRUCTURES AND PRELIMINARY DESIGN LEVELS SHOWN ARE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

|
| |
|
| 7 Fl | CONCEPT ONLY AND ARE SUBJECT TO DETAILED DESIGN.
| U |
| | 2. THIS DRAWING IS TO BE READ IN CONJUNCTION WITH THE
| — | | LATEST ISSUE OF CALIBRE CONSULTING REPORT No. B14158.W-03.
\S
| _ SY 0
! 0 | | 0
J, LL
| _ ot} | Lb 4
| a . |
| | | a) PRELIMINARY
NOT FOR FOR INFORMATION ONLY
CONSTRUCTION NOT FOR CONSTRUCTION
FILE: B14158.W-SK103.dwq DATE: 12-11-2015 TIME: 08:48
Xref's: X_B14158.W_ BASE X_B14158.W_TITLE X_B14158.W_CONTS USR: Sam Linde
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