Stormwater Treatment & Water Quality Management Plan_April2014

 

PIT, PIPEWORK AND OUTLET —

 

 

 

 

 

 

FILTER MEDIA SANDY LOAM (TS2000 SAND)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONFIGURATION AS PER SATURATED HYDRAULIC CONDUCTIVITY
IPWEAQ STD DWG 200mm/+R THICK PLANT WITH MACROPHYTES
WSUD-002 @ 8/m
LARGE COARSE SEDIMENT FOREBAY 2008
030 RIVER STONES OVER GEOTEXTILE
RL 2 ck
Ss oN
WEIR RL COCCCoreo Kir
a 73 LIP_RL : ij ii — ee
i \ k i Look
oan it
1
oam =f =
COARSE SAND TRANSITION LAYER 0.1m DEEP. (1mm — [
DIAMETER SAND) DRAINAGE LAYER
(WASHED FINE GRAVEL 2—Smm WITH <2% FINES SATURATED
100@ SLOTTED

HYDRAULIC CONDUCTITY OF 4000mm/HR).
SECTION A - A

SEEPAGE PIPE TO
INLET OF O/F PIT

 

 

BIO BASIN 2 — 211m? FILTER SURFACE AREA

BIO BASIN 3 — 150m? FILTER SURFACE AREA

 

 

SEEPAGE PIPE

i

|
|
| 2.0m CENTRES
|
|

 

 

 

 

 

 

 

 

 

1.0. TO SURFACE WITH CAP
& CONC SURROUND
9100 SLOTTED.

 

 

 

 

 

    

 

 

 

1.0. TO SURFACE WITH CAP
& CONC “mn
——+ke ee = TNT PIPE
pa
A A
N | 4
| 2.0m CENTRES:
1.0. TO SURFACE WITH CAP & /
CONC SURROUND
oS
'— SURCHARGE GRATE LIGHT DUTY "TELLAM SPG
900x600 NORMAL GRATE & FRAME ON
OUTLET FROM O/F PIT TO LEGS” MIN 100 GAP TO PIT. CONTRACTOR
EXISTING WATERCOURSE TO MEGAPOXY ALL JOINS.
PLAN
project

Callaghan & Toth

Civil, Environmental &
Hydraulic Engineers

8/41 Sunshine Beach Road

PO BOX 2305

( NOOSA HEADS 4567
H Ph: 54749081 Fax: 54749041

= www.callaghanandtoth.com.au

57 LOTS RESIDENTIAL RECONFIGURATION

location
55 LAKE MACDONALD DRIVE / PEARSONS ROAD
COOROY

TYPICAL BIORETENTION BASIN

Figure 4.2

 

 

Scale: NTS Date: APRIL 2014

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