Stormwater Treatment & Water Quality Management Plan_April2014

 

 

 

LEGEND STAGED WORKS

 

STAGE 1 WORKS AREA - OPW13/0417

STAGE 2 WORKS AREA — OPW13/0616
STAGE 3 WORKS AREA
STAGE 4 & 5 WORKS AREA

 

 

 

 

  

ROAD IS TOO FLAT FOR KERB,
2m OFF EDGE OF SHOULDER.

 

INSTALL TYPE 22 CONCRETE INVERT
TURF EITHER SIDE OF INVERT.

 

 

  
 
 
  
  
  
   
   

 

  

RP20685

+TUBE STOCK

MULCH & REVEGETATION

0.1m DEEP COARSE SAND

TRANSITION LAYER (0.5mm-2mm) ——_—L |

0.15m MINIMUM DEEP S-2mm WASHED SCREENINGS &
SLOTTED RIGID SEEPAGE PIPES & 0.5% MIN GRADE.

 
  

LEGEND:

 

SW

 

 

+

 

 

+ ee

 

  

 

 

EXISTING FLOWS TO ADJACENT LOT ARE ATTENUATED TO
PRE-DEVELOPMENT LEVELS BY REMOVING Q5 FLOW TO
BIO-RETENTION BASIN FOR TREATMENT. OVERLAND FLOW

CONTAINED BETWEEN LOTS 39 &40.

 

 

 

NTS

rE

36

 

 

SAG PITS TO TAKE Q5, OVERFLOW TO
FLOW PATH BETWEEN LOTS 39/40

 

 

sw
sy

 

INTERLOT STORMWATER PITS |]
TO CATER FOR ADJACENT
LOTS 3 & 4 RP206856

 

 

 

=

a

 

 

 

 

|

=

A

SW,

5
RP206856

 

RPI0635EG | BUS STOP_HARDSTAND TO TRANSLINK ’REGULAR STOP”
REQUIREMENTS. 4mx4m CONCRETE HARDSTAND
150mm ABOVE GROUND LEVEL. WIDEN SHOULDER TO
3m WITH TAPERS IN ACCORDANCE WITH TRANSLINK
REQUIREMENTS.

|
—~| 0.80 1.20 ++ 1.00 +++ 1.20 --| FLUSH KERB
TS2000 SAND ROAD EDGE

 
   

TOPSOIL & TURF
@8/sqm

 

LOW POINT OF LOT 5 RP206856,
LOCATION OF FUTURE STORMWATER
DRAINAGE THROUGH LOT 12 RP134343

 

 

  
  

 

 

 

 

LINED BIO SWALE

SCALE NTS.

12
RP1 54343

35

Ss
634 3

—_ Lo
&

Tee

<—

ROAD 3 >
STAGE 4

 

 

 

 

 

 

 

fe %
Cos
6
SP218739

Sp

=
GR

ae

 

— Faioo

NNN

   
 
  
 
 
  
 
 
     

         
 

PROPOSED STORMWATER PIPE

PROPOSED INTERLOT DRAINAGE PIPE WITH
RAINGARDEN

PROPOSED INTERLOT DRAINAGE PIPE
WITH PITS

PROPOSED BIORETENTION BASIN

( Callaghan & Toth )

Civil, Environmental &
Hydraulic Engineers

PO BOX 2305

NOOSA HEADS 4567

8/41 Sunshine Beach Road

Phone 54749081, Fax 54749041

www.callaghanandtoth.com.au

i!

=|

 

TO TYPICAL DETAIL FIGURE 4.2

designed | ADT datum AHD DERIVED

 

drawn BM cM

 

PROPOSED BIORETENTION SWALE TO

 

PS
checked | AH Origin (B.M.) RL *

 

TYPICAL SECTION SHOWN BELOW

PROPOSED GULLY PIT WITH

 

approved

 

BIORETENTION
EXISTING/PROPOSED FLOW DIRECTION

PROPOSED LAY BACK TYPE KERB M1/M4 TO
IPWEAQ STD DWG R-0080

PROPOSED FLUSH KERB ER2 TO IPWEAQ STD
DWG R-0080

FINAL Q100 FLOOD LINE
EXISTING TOP OF BANK

EXISTING TREE

EXISTING TREE LINE

 

PREVIOUS ROAD
RESERVE. BDY

   

 

 

   
 
 
  

 

SURVEYED _BY
MAX WATTERSION & ASSOCIATES

PHONE 54 426 121
a

(SS

project

PROPOSED 57 LOT SUBDMSION
55 LAKE MacDONALD DRIVE
COOROY

_O————————L—L————,
Client

VALKEV PTY LTD

$d

_O——————————L————,
title

STAGE 4 STORMWATER MASTER

PN

_—_—————————————————————.

LOT 136 on MCH978

Parish of TEWANTIN

County of MARCH

SUNSHINE COAST COUNCIL
Locality of LAKE MacDONALD

Ce )

_—————————————————
SCALE

 

 

 

 

 

 

 

 

0 5 10 15 20 25 een 50
scale SCALE SHOWN IS ORIGINAL DRAWING SCALE
1:1000(A3) D0_NOT SCALE FROM THIS DRAWING

USE ONLY DIMENSIONS PROVIDED

REVISIONS
detai

FILES

 

 

COMPUTER DIRECTORY

 

X:\JOBS\CT Projects in progress\1225 30 lots
lake MacDonald Drive\\Design\Current_DWG—BASE

 

FIGURE 3.1

 

Sheet 2 of 10 sheets

 

drawing number

PAGE 10

 

 

 

 

date 10-3-14