Site Based Stormwater Management Plan

 

Erosion controls exp

Earthworks should be kept to 2 minimum, ond should enly be commences immediately porto building works.

‘+ Maintain as much soil coverage as possible with the use of gras, laf itr and muleh, gravel er erosion cont

   

 

Vegetation located downslope of se wort ste asi in ftering out seclmens. Where practicable, maintain,
kerb vegetation such as grass and tur strips ina healthy state curing the bulding proces.

+ Stockpile and bulging materiale should not be stored

fon the footpath or within the road reserve, Permission
‘must be obtained from your Coun to store materials
in these areas otherwise fines may be imposed,

   

 

  
   

Minimise stockole losses wth the oxo of covers
All stockpiles and bulding matenals should be located
‘within the sediment contrel zane, for example upslope
of a sediment fence.

P Stockpile must not be located within an overland flow
‘Stosple without portion path

Backfl sence trenches, cap with 3st 75-100 mm abovo the adjoining ground
level (ether manually or wits small machine). TW aon for sore subence ofthe lateral snd nas te
fills slfiient compacted to avoid erosion at a later time, (Note that trenches must be backfilled mn accordance
with AS3500),

Erosion control blankets or matting can be used to minimise
sci erosion and stormwater peluion Irom ste by

 

+ containing high erosion risk soils
+ stabilsing steep slopes.

All areas disturbed by bulding sctivties snould be proms
and progressively stablised, using techniques suc

sources of sediment

To minmise sillass, mulch should be applied to open _ehulgao the ste prompt to reduce the chances,
garden beds at a depth of 75-100 mn. ot forber wea

This wil sss in plant establishment, minimise water

lose and help to contol wees

Ensure that mul
utimatoly on

is stabilised on uns
ng watoruays.

 

slopes (eg. batter and riparian areas) to avoid t washing away and

 

ar aa

off the ste

    
   
 
  

+ Restict site access to one stabilised location
Recommended construction mathod for stabilling accots points
i¢3 150-200 mm deep pad of minimum 40 mm eushed rock.
‘The pad should be at least 2 metres wide and extend rom the kerb
to the building slab,
Where he entyfesit pad slopes towards the read, 8 200 mm high bund thump) should be installed across the
pad 10 defect stormwater run-of ta the side where can be fiteres by a sediment fence
Note: The location ef the permanent driveway may not be an appropriate locaton forthe construction entrance

Install sediment bariars along the lower
side of the 20) cisturbance

‘Stabe revel entyent point ble ped)

+The most aficient sediment baer fr
bling sitesi specapmanulactuted
‘geotextile seciment fencing,

1+ Sediment fences on building sites
‘are usually wie-ied to stel or hardwood
posts wiretod sediment fences have the
Advantage of being more readily unhooked
from tei soppor posts).

“+The support post are spaced ne greater
than 2 metres apar end the sediment
fence buried t0.2 depth of 200 mm

+ For public safety and sediment contol
‘offctoney, sediment borers should nat be
located outside propery boundaries without Council approve

wuld only

barers placed in ont af roadie stormwater inlets are rarely as effective as onsite controls and

at best usually esutin the sediment being washed down the steet and into the nearest open gull inet

+ Only use proper geotextile sed ment fonce fabric. Dent use fiter cloth or shade cloth

Public signs that war ofthe need for proper sediment contol devices and
‘maintenance are becoming more widely used, Contact your counel fr futher

 

 

Secmont fence

 

sced on the road ae alas resort

 

    

  

‘Sedat contol ionnation signage

ea

 

Al erosion, sediment and desinage contol measures naed tobe regultly

‘working order Best practice meluces
fantcipation of potential sks and being prepared for abnormal
Creumstances and emergencies. These measures include:

 

 

 

+ Stockpile va cediment fence fabric and posts onsite ta faiitate
emergency repairs

+ Reapply eushed rock to the enty/ext pad rumble pad when
sediment buldhup occurs.

1+ Repair eroded drainage channels with rock, tu or erosion cont!
blankets er matting

+ Ensure buittup sediment is removed at rogular intervals rom

+ Check and eplace/pairseciment borers daly if they ae ripped,
damaged ar no longer anchored

Excesve sediment deposits mus
from enon pant fumble pal and

Drainage control ex==p sean ened ek copied

 

 

+ Where practicable, dlvert upslope water around the disturbed area,

‘+ Stonmwater ean be diverted with the use of sal turf or geoteni ined catch crans, or with the use ef
‘version Eanks.

+ Dwvorted stormmator should be discharged onto stable ground For example tured areas) and should not
be diverted into neighbouring properties unloss wtton permission is obtained rom the lane owners)

 

 

 

+ Temporary or permanent downgipes should be installed as soon as
piacticabl ater the roo isa
Enily connection of oof water to the stormwater system wll duce site
wetness and the generation ef onsite mud. This has bean shown to
recuce downtime fllowing storm events and decrease the average
building construction time.

 

    

Topory oof wate connection

Building operations e===a_

Prior to commencing building work
Obtain all necessary permits, ieences and approvals
+ Prupare a ste specific Erosion and Sediment Control (ESC) Management Plan and have all necessary
5C materials evalble.
+ Avoid clearing vegetation and excavating until ready to build
+ Whore necessary in new estates, temporary revegetation may be required,

 

 

 

Points to consider as part of building operations

+ Tool anc! paint washing, brick, tle ar masonry euttng and watercooled cutting activ
within the property Boundaries

1 should be done

 

+All waste water should be contained on-site where possible,

+ Activites shouls be carte eut on a permeable suace or up slope of an inflration trench

+ Vehicles should nat be parted on the footpath area ar verge where they
and transport cit onto the oad,

+ Contain waste concrote washed from tucks, mixers and barrows on st do not wash out into stormwa
systems as this ean og ding and cause flooding Sung storm events

All hard waste should be stored onsite in a way that provants mater loss caused by wind or water Salle
‘materials suchas liter should be contained in covered bins or Iter traps formed on three sides by @ geotentile
ind break or sitar deve

n damage essential vegetation

 

   

When traveling to and from the st, secure load to prevent wind blown liter polluting our waterways and roadsides,

      
   

(One way properly store burg waste Poo ita and uling waste storage

Remove accidental spils of solo
‘gutor or ary location outside the cor

er material om the rad,
1 ofthe primary sede

 

      

+ immediatly iit is aining or Ukely te rin during the day

+ atleast upon completion of the days work (even if nals
unlikely during the nigh!

‘+ use a araom and shovel instead of hosing to clean hard surfaces,

+ clean up food packaging after meal breaks 95 thi
stormwater systoms and waterways

 

 

Following storms, the road reserve and sediment bares should be
Inspected and excess sediment reside removed

Uncktake mtr ite eer upe