Z40770_Response to InformationRequest_NC_final

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                           5.8



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INDUSTRIAL DEVELOPMENT                         ��
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                                        5.2




                     4.8                 5.0




                                                                      Issue:




                                                                                                       Unit 1/11 Project Ave,
                                                                                                       Noosa Heads
                                                                                                       Ph (07) 5455 5604




                                                                      DEBUILD T/A
                                                                                                       email:[email protected]
                                                                                                       web:www.scg-engineers.com
                                                                                                       ABN 40 098 481 899




                                                                          Title:




                                                                         Project




                                                                         Date:               Drawn

                                                                          Checked:           Drg No.                        Rev.




                                                    Rev. - 10.06.16


[OCR of page images]
 

 

DRAWING SIZE — Al

_=

LOT 4 ON SP 244573
Level Datum AHD
Level Origin PSM

KEY

EX. SWPT EXISTING STORMWATER PIT

EX. SMCP EXISTING STORMWATER CONNECTION POINT
REINFORCED CONCRETE HEADWALL
EXISTING SEWER MANHOLE

EXISTING EDGE OF BITUMEN

EXISTING KERB & CHANNEL

NATURAL SURFACE LEVEL

RC. HW.
EX. SMH
E.0.B.
K&C

MIN. 1 IN 100

FALL ALONG =————

SWALE LENGTH.

 

200mm
MIN

FIRE HYDRANT
TELSTRA PIT

=e

_

ELECTRICAL POWER POLE

LIGHT POLE
EXISTING KERBING

LANDSCAPING OVER WITHIN SWALE
REFER LANDSCAPE ARCHITECT FOR

PLANTING

2000mm_MIN

 

  

TYPICAL SECTION VEGETATED SWALE

 

WATERTANK FOR
STORMWATER

RE-USE

 

 

WATER STORAGE
TANK

 

RAINFALL

>

ROOF RUNOFF

  

DRIVEWAY

 

S

 

BIORETENTION
BED

 

a

 

 

v

BIO-RETENTEION BED
FOR TREATMENT OF
STORMWATER
RUNOFF

RUNOFF TO COUNCIL

INFRASTRUCTURE

WATER CYCLE DIAGRAMATIC

STORMWATER RUNOFF ASSESMENT

 

— THE EXISTING SITE IS WITHIN AN INDUSTRIAL DEVELOPMENT WHICH
HAVE BEEN DESIGNED WITH A FRACTION IMPERVIOUS OF 0.9

— THE PROPOSED SITE HAS A FRACTION IMPERVIOUS OF 0.93. ONLY
A MINIMAL INCREASE OF 1.7 Lt/s WILL RESULT. THE STORAGE TANK
WILL OFFSET THIS INCREASE

WATER SENSITIVE URBAN DESIGN

 

— RUNOFF FOR THE SITE WILL BE DRAINED THROUGH A

BIO-RETENTION BED SIZED IN ACCORDANCE WITH THE DEEMED TO
COMPLY SOLUTION BY WATER BY DESIGN (2.2% OF CATCHMENT AREA)
—ADDITIONAL TREATMENT WILL OCCUR THROUGH THE USE OF A
VEGETATED SWALE FOR DRAINING STORMWATER AND THE RE-USE OF
STORMWATER VIA THE INCLUSION OF A WATERTANK

 

 

 

www.dialbeforeyoudig.com.au

DIAL1100

BEFORE YOU DIG

 

 

 

SITE PLAN — DRIVEWAY & ACCESS PLAN

CONNECT BIN WASH
BAY DRAINAGE PIT TO
SEWER STUB. PLUMBER
TO LOCATE ON SITE.

 

v

VEGETATED SWALE

 

 

 

 

 

 

 

  
 
 

 

    

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

    
 

 

 

 

LEGEND

4.00

ae
Xv

eee +

x | 29.740

FALL.

GD-200
(TTT)

GP1

 

GP2

 

GPS

 

GP4

 

STONE PITCHED SWALE

(UNGROUTED) APPROACH
TO BIO-RETENTION BED.

 

 

 

 

 

. CREATE LOW POINT IN DRIVEWAY
. ADJACENT BIO-RETENTION BED, TO
PROMOTE STORMWATER RUNOFF INTO
BED.
Lot 5
SP264847

BIORETENTION BED

MIN AREA 50m? FILTER, REFER
TYPICAL DETAIL. FINISHED SURFACE
LEVEL RL 5.64m

 

 

R.P. BOUNDARY

 

 

 

Sw

 

HALF CUT PIPE FOR EVEN
FLOW DISTRIBUTION INTO
BIORETENTION BED. REFER
DETAIL ON THIS SHEET.

 

SW/EX

— SWALE +> -

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 
  

 

 

 

 

  
  

 

 

 

KERB

CONNECT NEW SW PIT TO EXISTING SW
rT BRANCH AS PER QDC REQUIREMENTS.
CONFIRM SW BRANCH JUMP UP
LOCATION.

 

EXISIING CONCRETE —~ “=

 

EXISITNG a)

Scale 1: 200

 

CONTRACTOR TO LOCATE ALL SERVICES PRIOR TO

COMMENCING WORKS ON SITE. ALL SERVICES ARE

TO BE PROTECTED IN ACCORDANCE WITH THE
AUTHORITY RESPONSIBLE FOR THE SERVICE

 

 

‘STREET

 

| |
Q/SP104321 | S/SP1043521 | A/SP156940
_ | _ _ R.P. BOUNDARY
1 GRAVELLED AREA-FOR (Gg0]* on ee
PN FUTURE DEVELOPMENT. & we
I = 4 y x
z= & Yo (5.79)*
Np) Y : FLOW INVERT LINE ®
| >= GP3-} - we 1509 uPVC 1 in 100 ([&0)"— — — ~~ TN 495 A
B Sw B Sw sw sw sw BJ cP4 7 |
IL 5.355) 5.25 wy wy 5 % y
a ew NY S “ 5.65 = ; “ NX a
F “(55 2B 575) > X _ ’
yor P Xe 3
iy 4, Yo Yo 7, 4 / , Y = %
i / a 0 A iy
i| >
XY |
| k / g ON 2
Lo Sa) 4
|
le |
So] 4, Fe L Z
Si], 58 4
Cc -— -- -—- ty
Eb Kk 2 So &
S fr -—— (573) S “ |
Sih “ Ss S a
s = =o v
wo] < =
—_— | — ao |
| oO 4
2 J
bo SA 8% |
= INDUSTRIAL DEVELOPMENT s yy
=| Ww
S iB gb
S . ty
3 /. &
ai! a NX AX
Lot 3 al ee al Lot 4 a S
SP244573 Sy SP244573 / | BB ., 550
Y - FFL 5.80 - :
5000(Lt) SLIM LINE TANK o / SS
FOR RE-USE IN IRRIGAT S \
& WC's, REFER DETAIL. i a \ 7 sw
oe ae LY / 1508 uPVC ben
ae ay | op |s cpa pate
|} > = a — 6
3. e J < —s
al 8 _ +
a a ie =) 2256 uPVC
4 HALF CUT PIPE FOR EVEN , 11S i
OP FLOW DISTRIBUTION INTO BIORETENTION BED CA \s 2
2 Y vee MIN. AREA 20m? FILTER, REFER “5 4 \2
x TYPICAL DETAIL. FINISHED SURFAC 7) & |S
> BB LEVEL RL 5.65m »
FE y y 575 1
E - » CD-200 FAL x
sw sw - SW
2256 uPVC 1 in 100 »
2250 uPVC sm t
Fh . T4475 AS 4555 r
\ ~N
oO
4 / ENRY = “la
\ Ww ; % s|s
\ « <
CREATE LOW POINT IN DRIVEWAY = cp? Eg /
ee | /
ADJACENT BIO-RETENTION BED, TO RP. BOUND aRp [
TO GROUNDWATER PROMOTE STORMWATER RUNOFF INTO By 52
BED. 25°
ao
EMT J EMT kK 2
. ~= y EXISITNG CONCRETE SERVICE ROAD. s
~~ EX. SMH Be
\ z 2 K<-
\ —= SW/EX —— sw/Ex
_ \ — —
ee 4
EXISITNG CONCRETE
CROSSOVER. EXISIING CONCRETE FOOTPATH CROSSOVER.

INDICATES EXISTING SURFACE
CONTOUR AND LEVEL TO AHD.

EXISTING SURFACE SPOT LEVELS.

INDICATES PROPOSED FINISHED
SURFACE LEVELS

INDICATES DIRECTION OF FALL
TO FINISHED SURFACES.

200(W) GRATED DRAIN WITH
HEAVY DUTY GRATE.

450Sq FIELD INLETS, PRE-CAST
CONCRETE WITH RAISED GRATE.
TO BE INSTALLED IN
BIO-RETENSION BED.

450Sq FIELD INLETS, PRE-CAST
CONCRETE WITH GALV.GRATE
MOUNTED FLUSH WHEN
INSTALLED IN DRIVEWAY.

300Sq FIELD INLET, PRE-CAST
CONCRETE.

450Sq STORMWATER JUNCTION
BOX, PRE-CAST CONCRETE WITH
HEAVY DUTY LID.

INDICATES OVERHEAD ELECTRICITY
SUPPLY LINE

INDICATES EXISTING SEWER LINE

INDICATES WATER MAIN APPROX
ALIGNMENT, BUILDER TO CONFIRM
EXACT LOCATION PRIOR TO WORKS

INDICATES TELSTRA LINE APPROX
ALIGNMENT, BUILDER TO CONFIRM
EXACT LOCATION PRIOR TO WORKS

INDICATES STORMWATER DRAIN
PROPOSED AS NOTED MIN 1 IN
100 FALL UNLESS NOTED
OTHERWISE

INDICATES STORMWATER DRAIN
EXISTING AS NOTED MIN 1 IN 100
FALL UNLESS NOTED OTHERWISE

INDICATES ALIGNMENT OF SWALE
AND DIRECTION OF FLOW, REFER
TYPICAL SWALE DETAILS

   
  
 
      
 

 

Ce EXISTING ISLAND.

SURFACE OF BIORETENTION BED SET 200mm
LOWER THAN FINSHED GROUND LEVEL
(Approx RL 5.30m), PROVIDE EDGE BOARD

SUCH AS PEGGED TIMBER SLEEPER OR 450 SQ GRATED SW INLET PIT

 

 

 

 

 

 

 

 

 

 

 

 

HALF SW PIPE ALONG EDGE OF BED

 

 

 

 

 

SIMILIAR WITH RAISED GRATE, SET TOP SET LEVEL 70 ENABLE EQUAL
OF PIT 100mm ABOVE FINISHED DOSING ALONG LENGTH OF BED
SURFACE IN BED
IN R s INFLO
a \ "| EBON TOK ee te OVERFLOW TO k & ¢
MIN 600mm APPROVED FILTER 4 oO
MEDIA LAYER 0} Yi A
4 ‘ ‘ “B eos ae
100mm CLEAN COARSE SAND ___g¥zatez7Zz7zZ7777z iB MIN. 600mm A LLLLE Za 57mm CLEAN
TRANSITION LAYER (HATCHED). tee 14475 FILTER MEDIA cS GRAVEL DRAINAGE
: AS PER PLAN LAYER, GEOFAB BELOW
[gS FER PN!

   

3(No) SLOTTED 100¢ uPVC PIPES
SET IN 150 THICK 5-7mm CLEAN
GRAVEL DRAINAGE LAYER.

\

225 DIAM TO GP4

BIORETENTION PIT DETAIL

¢ : STIL SECTON ~~ A-A
DETAILS

>, _ CAPPED
“| END

BIORETENTION PLANTING
8(No.) Plants per 1m2
Utilize at least 3(No.)
approved species type

APPROVED PLANTING
Corex appressa, Gahnia
sieberiana, Ficnia nodosa,
Lomandra hystrix or
Isolepsis nodosa

FILTER MEDIA TO BE IN
ACCORDANCE WITH FAWB
GUIDELINES FOR SOIL
FILTER MATERIALS FOR
USE IN BIOFILTRATION
SYSTEMS. BIORET PLUS
BY SOUTHERN PACIFIC

BIO-RETENTION BED MAINTENANCE REQUIREMENTS

Vegetation plays a key role in maintaining the porosity of the
filter media of a bioretention basin and a strong healthy growth
of vegetation is critical to its performance. Therefore the most
intensive period of maintenance is during the plant establishment
period (first two years) when weed removal and replanting may
be required.

Inflow systems and overflow pits require careful monitoring, as
these can be prone to scour and litter build up. Debris can block
inlets or outlets and can be unsightly, particularly in high
visibility areas.

Inspection and removal of debris should be done regularly, and
debris should be removed whenever it is observed on a site.
Where sediment forebays are adopted, regular inspection of the
forebay is required (3 monthly) with remove of accumulated
sediment undertaken as required.

For larger bioretention basins, it is essential that a maintenance
access point is designed for and maintained in the bioretention
basin. The size and complexity of the system will guide its design
and may involve provision of a reinforced concrete ramp/ pad
for truck or machinery access.

2005 Edition

Amended June 2007

Policy 11: Land Development Guidelines Section 13.6 -Bioretention
Basins 27 of 43

Typical maintenance of bioretention basin elements will involve:
(11 routine inspection of the bioretention basin profile to
identify any areas of obvious increased sediment deposition,
scouring from storm flows, rill erosion of the batters from lateral
inflows, damage to the profile from vehicles and clogging of the
bioretention basin (evident by a boggy’ filter media surface);

(1 routine inspection of inflows systems, overflow pits and
under—drains to identify and clean any areas of scour, litter build
up and blockages;

LL removal of sediment where it is smothering the
bioretention basin vegetation;

(1 where a sediment forebay is adopted, removal of
accumulated sediment;

(repairing any damage to the profile resulting from scour,
rill erosion or vehicle damage by replacement of appropriate fill
(to match onsite soils) and revegetating;

LH tilling of the bioretention basin surface, or removal of the
surface layer, if there is evidence of clogging;

LI regular watering/ irrigation of vegetation until plants are
established and actively growing;

(11 removal and management of invasive weeds (herbicides
should not be used);

(11 removal of plants that have died and replacement with
plants of equivalent size and species as detailed in the plant
schedule;

(11 pruning to remove dead or diseased vegetation material
and to stimulate growth;

(11 vegetation pest monitoring and control.

Resetting (ie. complete reconstruction) of the bioretention basin
will be required if the system fails to drain adequately after
tilling of the surface. Maintenance should only occur after a
reasonably rain free period when the soil in the bioretention
system is dry. Inspections are also recommended following large
storm events to check for scour and other damage.

All maintenance activities must be specified in o maintenance
plan (and associated maintenance inspection forms) to be
documented and submitted to Council as part of the
Development Approval process. Maintenance personnel and asset
managers will use this plan to ensure the bioretention basins
continue to function as designed. An example operation and
maintenance inspection form is included in the checking tools
provided in Section 13.6.7. These forms must be developed on a
site specific basis as the nature and configuration of bioretention
basins varies significantly.

BED PIPE INTO
CONCRETE TO RETAIN
ITS POSITION

DOG LEG PIPE UP TO CUT PIPE
JUNCTION TO MAINTAIN MIN.
COVERS 10 STORMWATER PIPES.

 

A. INVERT LEVELS ADDED. 01.11.16.

 

Revision Description Date

 

 

 

Iss

*FOR APPROVAL

 

DO NOT SCALE FROM THIS DRAWING

The design and associated details contained on this and associated
drawings are copyright and ore not to be used or reproduced without
the written permission of SCG Consulting Engineers.

 

Unit 1/11 Project Ave,
Noosa Heads

Ph (07) 5455 5604
email:[email protected]

web:www.scg-engineers.com
‘ABN 40 098 481 699,

C) Ste

DEBUILD T/A

 

Title:

OPERATIONAL WORKS:
STORMWATER MANAGEMENT

 

Project

Lot 4 SP244573
85 RENE St, NOOSAVILLE

 

Date: Drawn

 

 

 

SANDS IS AN APPROVED Aug 16 CSK
MATERIAL o Checked: Drg No. Rev
rege, WN | 26232-SW1 | A.