180616-Response to Information Request. · MCU18/0135

 

  

NOTE; HARVESTED RAINWATER TO BE
USED FOR POOL TOP UP AND OUTDOOR
LANDSCAPE IRRIGATION.

 

 

 

EXISTING SERVICE INFRASTRUCUTRE.
WATER METER LOCATION TO BE
CONFIRMED ONSITE.

EXISTING SEWER
MANHOLE AND
GRAVITY MAIN.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 
 
  
   
 
  

RAINWATER REUSE TANK. OVERFLOW TO BE
CONNECTED TO RAPID INFILTRATION PIT VIA

INTERNAL DRAINAGE NETWORK. LOCATION ]
AND SIZE TO BE CONFIRMED.

 

15.00

 

 

 

 

 

 

 

 

 

PROPOSED 100mm HIGH LANDSCAPED BUND
AT SITE FRONTAGE. DIRECT UPSTREAM
STORMWATER FLOWS TOWARDS COMMON
ACCESS DRIVEWAY/INTERNAL DRAINAGE

NETWORK.
|
I
PROPOSED RESIDENTIAL VEHICLE CROSSING IN
ACCORDANCE WITH IPWEA STANDARD DRAWINGS
RS-049 AND RS-050. CROSSOVER TO BE PROFILED
SUCH THAT EXTERNAL STORMWATER RUNOFF IS

CONTAINED WITHIN COMMON ACCESS DRIVEWAY. .
ii L
LOCALLY GRADE PAVEMENT TO:

 
    
   

   

 

 

REAS TO BE PLUMBED DIRECTL’
‘TO RAINWATER HARVESTING TANK VIA

 

 

 

 

 

 
 
 
 

 

VEGETATED SWALE FLOW CALCULATIONS
te= Smin

CONTRIBUTING CATCHMENT = 0.019ha

1% AEP = (1.2x0.7x0.019x332)/360 =0.015m"/s

SWALE FLOW CAPACITY CALCULATIONS

1% AEP OVERLAND FLOW

SWALE LONGITUDINAL GRADE = 10%
SWALE TOP WIDTH = 1.0

SWALE BASE WIDTH = 0.0m

LHS BATTER SLOPE = 1V:3

RHS BATTER SLOPE = 1V:3
MATERIAL = GRASS

FLOW DEPTH = 0.07m (1% AEP)
CAPACITY @ MAX DEPTH = 0.041m*/s
V=1.09m/s — DV = 0.08 (1% AEP)

 

 

 

 

 

 

 

 

FIRST FLUSH DEVICE.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 
  
  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EXISTING UPSTREAM ALLOTMENTS SUBJECT SITE
ex OL
FUTURE BOUNDARY FENCE —=> -_
cal 20m _!
a |_-—PROPOSED 1.0m WIDE CUT-OFF DRAIN
(MINIMUM LONGITUDINAL GRADE 10%) TO

  

—=—=~ DIRECT UPSTREAM STORMWATER RUNOFF
TOWARDS EASTERN BOUNDARY.

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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| EXT CMT o CATCHMENT AREA DETERMINED PREPARED BY TECTONIC, DATED 6" AUGUST 2018.
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FILENAME : 05 142-184WNPOt.dug - DATE: 20/918 - 1:32am Al Sheet Size J Design:mvc | Drawn:mvc | Date: JULY 18 COUNCIL REFERENCE: SHEET: 1 of 1