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Flood Investigation & Stormwater Quantity Management Plan
Attached to the e-mail Doonella Stage C (Email 4 of 7) IDAS Forms 1 & 6 and Flood Investigation - OPW14/0197.
Plans and drawings
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4 TOP OF WEIR
2 RL 9.80m TOP OF EXISTING FILTER MEDIA +”
' wT RL 600M Ly
|) DETENTION VOLUME
1210m?
/ TOP OF FILTER MEDIA
RL 7.50m
TOR OF WEIR
BIO-BASIN
4250 5 0 5 10 M1
1500 a 43
900x900 FIELD nm
TOP OF PIT 9.00: =
r—-—7——TOP OF BASIN 9.60
j=——TOP WEIR LEVEL 9.30
“|-+——2x225% OUTLET PIPES IL 7.80
TOP OF FILTER MEDIA 7.50m
IL 6.90 525f
IL 6.50 SWALE To CULVERT
901
N
450 DIA RCP
U/S IL 9.30 172
D/S IL 9.15
CROSSING HEIGHT
173.
DETENTION VOLUME ”
2520m? | 1
174
175.
CROSSING DETENTION
1500 5 ‘0 20 M1
nn —————s) ,,
LEGEND
ee PROPOSED RETAINING WALL
E> PROPOSED WEIR
Coe PROPOSED FILTER MEDIA (590m?)
PROPOSED ROCK PROTECTION
EXISTING FILTER MEDIA
TOP OF BATTER
RETAINING WALL LEVEL
TW 9.60 TW = TOP OF WALL, BW = TOP OF FILTER MEDIA
a MAJOR FLOW DIRECTION
SECTION (AY
SCALE1:50
ee, nosa0s-skz6duy DATE: 1-05-2012. THE, 0838 KEY PLAN TOTAL DETENTION VOLUME = 2996m?
Xref's: NO9004-TIT USR: david memillan
FIRST | CALC [DRAWN] DATE DESIGN CHECK SCALE (METRES 1 MICROFILM No. SURVEYOR CLIENT Brown Consulting (QLD) Pty Ltd Engineers & Managers DRAWING TITLE
vee co | co | 20.09.11 AMENOMENT DETAILS, CONICS (SUNSHINE COAST) PTY LTD level 1, 15 Nielin Way, Budding QLD Australia 4575
aja] co | co etiam | ORGNAL ESUE PEP 1 INNOVATION PARKWAY, BIRTINYA STOCKLAND LAKE DOONELLA PTY LTD Telephone 07 5470 9260 Facsimile 07 5470 9262 CONCEPT
Em [co [om [s.r erento vou UPATED AS SHOWN Ph (07) 5436 7888 Fax (07) 5493 6630 — Brsbane CanboraMaboune Syéney Singapore Sunshine Coast BASIN DESIGN
gle DRAWN CHECK PROJECT We, APPROVED BRENT THOMAS 786 QUALITY & QUANTITY
aD ZS Sims LAKE DOONELLA NOOSA ‘CONSULT AUSTRALIA | DRAWING WOMBER ro
iG PEP NO9004 STAGE C
s|F FOR & ON BEHALF OF BROWN CONSULTING (QLD) PTY LTD N09004-SK26 B
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