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Attached to the e-mail Response to Information Request MCU16/0079 (email 2 of 3).
February 2014
September 2016
ENGINEERING REPORT
Tincidunt ut
adipiscing elit,
quis nostrud
praeseptatum.
Proposed Extension to
Tewantin Noosa RSL
Development
1 Memorial Avenue
Tewantin, QLD 4565
Engineering Report & Stormwater
Management Plan
Project No.: 16144
Revision: A
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Page 2
ENG
Engineering Report & Stormwater Management Plan
Date: 22/09/2016 Document No.: 16144-ENG-01.Docx
By: MRS Revision No.: A
Contents
1. Introduction ...................................................................................................................................... 3
a. Existing Topography ........................................................................................................................ 4
b. Proposed Land Use ......................................................................................................................... 4
2. Erosion and Sediment Control ......................................................................................................... 4
3. Earthworks ....................................................................................................................................... 6
4. Roadworks ....................................................................................................................................... 6
5. Stormwater Drainage ....................................................................................................................... 6
a. Stormwater Quality Management .................................................................................................... 7
b. Water Quality Objectives ................................................................................................................. 7
c. MUSIC Model .................................................................................................................................. 8
d. MUSIC Model Results.................................................................................................................... 11
e. Stormwater Quantity Management ................................................................................................ 11
f. Maintenance .................................................................................................................................. 11
6. Flood Zoning .................................................................................................................................. 13
7. Sewer Reticulation ......................................................................................................................... 14
8. Water Reticulation ......................................................................................................................... 15
9. Electrical and Telecommunication ................................................................................................. 15
10. Development Codes ...................................................................................................................... 15
11. Conclusions ................................................................................................................................... 15
Appendix A - Survey Plan ..................................................................................................................................... 16
Appendix B - Proposed Design Drawings ............................................................................................................. 17
Appendix C - Noosa Erosion and Sediment Control Assessment Form ............................................................... 18
Appendix D - IECA (Australasia) Standard Drawings ........................................................................................... 19
Appendix E - State Planning Policy April 2016 – Water Quality development assessment code.......................... 20
Appendix F - Stormwater360 Operations and Maintenance Manuals ................................................................... 21
Appendix G – Development Codes ....................................................................................................................... 22
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Engineering Report & Stormwater Management Plan
Date: 22/09/2016 Document No.: 16144-ENG-01.Docx
By: MRS Revision No.: A
Document Status:
REVISION PREPARED BY REVIEWED BY DATE
Draft M. Sutton A. van Tonder 22/09/16
A. van Tonder
A M. Sutton
(RPEQ 16132) 22/09/16
This document is produced by vT Consulting Engineers for the benefit and use by the client in accordance with the
terms of the agreement. vT Consulting Engineers does not and shall not assume any responsibility or liability
whatsoever to any third party arising out of any use or reliance by any third party on the content of this document.
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Engineering Report & Stormwater Management Plan
Date: 22/09/2016 Document No.: 16144-ENG-01.Docx
By: MRS Revision No.: A
1. Introduction
vT Consulting Engineers has been commissioned by Rubicon Design and Construct Pty Ltd to
prepare this engineering services report and stormwater management plan. The development
is located at 1 Memorial Avenue, Tewantin QLD 4565 (Lot 10 on SP236319). The site locality is
illustrated in Figure1.1. This report is being submitted to support the Development Approval
for the proposed Tewantin Noosa RSL Entertainment and Dining Business Extension for Noosa
Regional Council’s (NRC) consideration.
The following report will detail civil engineering requirements for the development.
Street Address 1 Memorial Avenue, Tewantin QLD 4565
RP Description Lot 10 on SP236319
Total Site Area 4426m2
Proposed Use Entertainment and Dining Business
Local Authority Noosa Regional Council
SITE
Figure 1.1: Site Layout Plan (Google Maps)
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Engineering Report & Stormwater Management Plan
Date: 22/09/2016 Document No.: 16144-ENG-01.Docx
By: MRS Revision No.: A
a. Existing Topography
The site is currently developed, accommodating the existing Tewantin Noosa RSL Club, a low-
set timber and brick house and bitumen paving and car-parking, covering a total of
approximately 96% of the site. The balance of the site (160m2) is landscaped with a series of
garden beds containing shrubs and several medium sized trees.
The site grades from a level of approximately RL8.2 in the north-west corner on Memorial
Avenue Street down to approximately RL5.0 in the south-west corner at the corner of
Memorial Avenue and Doonella Street. A detailed survey has been conducted on this site by
Statewide Survey Group Pty Ltd, dated 25 March 2015. Refer to Appendix A for current survey
plan. The site is generally bounded by commercial buildings with several high-set individual
dwellings to the south in Doonella Street.
b. Proposed Land Use
The proposed development involves staged extensions to the existing building, demolition of
the timber and brick building at the rear in Pelican Street as well as associated car parking.
Refer attached Appendix B for proposed layout plans and details.
2. Erosion and Sediment Control
Using the Noosa Sediment and Erosion Control Assessment form in Appendix C, it is
considered that the erosion risk proposed by the site is low as the proposed development
involves an area of land which will only be exposed for a minimal amount of time during the
earthworks required for service trenching and constructing the new building platforms and
car-parking. The trenches will only be exposed while the services are being installed and then
will be covered by the proposed building works. To further mitigate the impact of the
development construction an Erosion and Sediment Control Plan will be prepared during
detailed design stage. Appendix D shows the International Erosion Control Association
Australasia (AustIECA) standard drawings and control notes applicable to this development.
The construction contractor is responsible for ensuring that soil and debris does not leave the
site as well as the confines of the construction zone and is not deposited on external roads or
existing in-use areas due to the proposed earthworks and construction activity.
Acid Sulphate Soils
The local council is listed in Table 4: Acid sulphate soils-affected local government areas in
State Planning Policy April 2016 (SPP 2016) and therefore this development application
requires compliance with the SPP 2016 acid sulphate soils development objectives.
Acid sulphate soil testing is typically conducted in areas with reduced levels of less than 5.0m
Australian Height Datum (AHD) as stated in SPP 2016. This policy also states that
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Engineering Report & Stormwater Management Plan
Date: 22/09/2016 Document No.: 16144-ENG-01.Docx
By: MRS Revision No.: A
developments below 20.0m AHD that involve a Material Change of Use or operational works
are required to be assessed against the SPP 2016 acid sulphate soils development objectives.
As the lowest point on this site is an approximate level of RL5.0m, we believe there is a
possibility of acid sulphate soil being present and therefore testing may be necessary.
The requirements for Acid Sulphate Testing will be confirmed by a geotechnical engineer prior
to the detailed design stage of this proposed development.
Land Disturbing Activities
Important causes/issues of erosion for this site would consist of the following:
Precipitation and consequent run-off
Stripping and removal of topsoil
Removal of fill
Other earthwork operations
Heavy vehicle use on site
Wind erosion
The proposed development is a short construction period which will be programmed so that
the shortest period of time elapses between ground cover removal and restoration.
Erosion and Sediment Control Measures
Sediment control filter fabric will be securely placed around the perimeter of the construction
site. This will ensure sediment is trapped before being released into the catchment. Refer
Appendix D.
An ESC measure will be provided at any vehicular access points to the site. Construction and
maintenance details are given in Appendix D. A temporary construction entrance will be
provided from Pelican Street for access during construction.
A filter sock sediment trap will be utilized on all downstream stormwater inlets. Refer
Appendix D for construction and maintenance details.
No clearing will be undertaken unless preceded or accompanied by installation of adequate
run-off and sediment control measures, as described above.
Following practical completion of the project a minimum of 70% coverage of all soil with
ground cover (i.e. topsoiling and seeding) will be provided within 30 calendar days.
During the construction phase spraying of water will be used with care to act as a dust
suppression method.
Monitoring and Maintenance Programs
Water discharge from the site will adhere to a total suspended solid content of less than 50
milligrams per litre and a pH range of between 6.5 and 8.5 at all times. If the pH of the
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Engineering Report & Stormwater Management Plan
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By: MRS Revision No.: A
flocculated water is not achieved than pH adjustments will be required. This could possibly be
done by a dosing of lime.
Site personnel will inspect all erosion and control measures at least at the following
frequencies:
Daily during construction works,
Weekly when construction works are not happening,
Within 24 hours of expected rain, and
Within 18 hours of an impacting rainfall event.
All erosion and sediment control measures that have an order of efficiency below 75% will be
corrected by the end of that working day.
Staging of ESC Measures
The design of the proposed erosion and sediment control treatment devices is to be
confirmed during detailed design and following confirmation of the construction sequences
for the development. The proposed treatment measures will be designed in accordance with
the International Erosion Control Association Australasia standards and standard drawings to
ensure that the proposed works minimise any impact on the downstream water quality.
3. Earthworks
For the purpose of this proposed development earthworks will be conducted for constructing
the new proposed building platforms and carparks. Excavation on site will be required for the
building footings and service trenches. Any excess cut will need to be removed from the site
by the contractor.
A geotechnical investigation will be undertaken and a report will be prepared for the site prior
to starting the detailed design stage of the development to ensure that the earthworks and
erosion control measures are designed to suit the site conditions.
4. Roadworks
The proposed development fronts onto Memorial Avenue, Doonella Street and Pelican Street.
Road works will be limited to line-marking and crossovers.
5. Stormwater Drainage
The proposed development site will utilise existing stormwater infrastructure to service the
existing development which remains unchanged (Please refer to Drawing 16144-P001 in
Appendix B for details) as well as new infrastructure for the new construction, including a
proprietary stormwater quality improvement device as described in the following section.
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Engineering Report & Stormwater Management Plan
Date: 22/09/2016 Document No.: 16144-ENG-01.Docx
By: MRS Revision No.: A
a. Stormwater Quality Management
State Planning Policy
The State Planning Policy April 2016 applies for stormwater quality management and
management of new or expanded non-tidal artificial waterways applies to development that is
outlined below in Table 5.1.
SPP2016 PART E: INTERIM DEVELOPMENT ASSESSMENT
YES / NO
REQUIREMENTS. STATE INTEREST – WATER QUALITY
Material change of use for urban purposes that involves a land area
greater than 2500m2 that:
will result in an impervious area greater than 25% of the net
developable area YES
Will result in 6 or more dwellings NO
Reconfiguring a lot for urban purposes that involves a land area
greater than 2500m2 and will result in six or more lots: NO
Operational works for urban purposes that involve disturbing more
than 2500m2 of land NO
Table 5.1: Water Quality Objectives
As the proposed development triggers one or more applicable items in the above Table 5.1,
the State Planning Policy April 2016 is applicable and compliance will be expected by the local
government authority.
To achieve the above State Planning Policy outcomes the development is to:
avoid or minimise development impacts arising from altered stormwater quality and
flow by providing for development and construction activities in accordance with
acceptable design objectives
avoid or minimise development impacts of waste water (other than contaminated
stormwater) on water quality objectives
avoid or minimise development impacts arising from the creation or expansion of
non-tidal artificial waterways such as urban lakes
The proposed development will comply with the State Planning Policy April 2016 – Water
Quality policies.
A copy of the completed State Planning Policy April 2016 —Water Quality development
assessment code is attached in Appendix E.
b. Water Quality Objectives
Water quality parameters and the proposed limits applicable to this site have been selected in
accordance with SPP2016 Appendix 3, Table B and MUSIC Modelling Guidelines for South East
Queensland Version (2010).
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It is proposed that best practice stormwater treatment be used and therefore it is required to
demonstrate the achievement of the following load reduction targets:
POLLUTANT TYPES WATER QUALITY OBJECTIVE (WQO)
Total Suspended Solids (TSS) 80% reduction of average annual load
Total Phosphorus (TP) 60% reduction of average annual load
Total Nitrogen(TN) 45% reduction of average annual load
Litter/gross pollutants 90% reduction of average annual load
Table 5.2: Water Quality Objectives
c. MUSIC Model
The software program Model for Urban Stormwater Improvement Conceptualisation (MUSIC)
Version 6, was used was used to assess pollutant generation and the performance of the
stormwater treatment measures for the proposed development. Selection and testing of
stormwater management options was undertaken in accordance with MUSIC Modelling
Guidelines prepared by Water by Design (2010).
The MUSIC model was set up using the site catchment area which was further split to include
roof areas, road areas and ground areas in accordance with the MUSIC Modelling Guidelines
prepared by Water by Design (2010). The figure below shows a schematic of these areas.
Figure 5.2: Music Model Roof, Road and Ground Areas Adapted from wbp
Architects Drawing 1620/DA/0.01/Rev 2
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Engineering Report & Stormwater Management Plan
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The stormwater quality treatment train, supplied by Stormwater 360, used in the MUSIC
model is shown in the figure below.
Figure 5.3: Music Model Treatment Train – Stormwater360
Music Model Parameters
The split catchment parameters used as the MUSIC Pollutant Export Parameters are shown
below in Table 5.3, and where derived from Table 3.8 of the MUSIC Modelling Guidelines
prepared by Water by Design (2010).
FLOW SURFACE
TSS log10 VALUES TSS log10 VALUES TSS log10 VALUES
TYPE TYPE
Commercial Mean Std. Dev. Mean Std. Dev. Mean Std. Dev.
Roof N/A N/A N/A N/A N/A N/A
Baseflow
Road 0.78 0.39 -0.60 0.50 0.32 0.3
Parameters
Ground 0.78 0.39 -0.60 0.50 0.32 0.3
Roof 1.30 0.38 -0.89 0.34 0.37 0.34
Stormflow
Road 2.43 0.38 -0.30 0.34 0.37 0.34
Parameters
Ground 2.16 0.38 -0.39 0.34 0.37 0.34
Table 5.3: Source Node MUSIC Pollutant Export Parameters
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The parameters used as the MUSIC Rainfall-Runoff Parameters are shown below in Table 5.4, and
were derived from Table 3.7 of the MUSIC Modelling Guidelines prepared by Water by Design
(2010).
PARAMETER COMMERCIAL
Rainfall Threshold (mm) 1
Soil Storage Capacity (mm) 18
Initial Storage (% Capacity) 10
Field Capacity (mm) 80
Infiltration Capacity Coefficient - a 243
Infiltration Capacity Exponent – b 0.6
Initial Depth (mm) 50
Daily Recharge Rate (%) 0
Daily Baseflow Rate (%) 31
Daily Deep Seepage Rate (%) 0
Table 5.4: MUSIC Rainfall-Runoff Parameters
Treatment parameters for the in-ground proprietary systems have been provided by the
manufacturer. Refer to Appendix F for the Stormwater360 Operations and Maintenance
Manual.
Alternative In-Ground Proprietary System
The proposed in-ground proprietary system documented within this report is the
Stormwater360 Stormfilter cartridge system. At the time of preparing this report the
Stormwater360 Stormfilter system was the only system that is approved for use by Noosa
Council. However discussions with council have indicated that an alternative product may be
used if the alternative product does become approved for use. Based on these discussions it is
assumed that subject to their approval, council may accept a change in the proprietary
product used.
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d. MUSIC Model Results
Using the MUSIC software the treatment train for the catchment areas was designed to
comply with the water quality objectives (WQO). It was determined that the water quality
objectives for the proposed development where met as shown in the table below:
Pre- Post- Reduction Complying
POLLUTANT TYPES
Development Development (%) With WQO
Total Suspended Solids
556 111 80
(kg/yr)
Total Phosphorus
1.24 0.302 75.6
(kg/yr)
Total Nitrogen (kg/yr) 9.57 4.88 49
Litter/gross pollutants
67.5 0 100
(kg/yr)
Table 5.5: Stormwater360 Water Quality Treatment Results
As shown by the above results, the proposed stormwater treatment train adopts best practice
stormwater treatment and will achieve the required Water Quality Objectives.
e. Stormwater Quantity Management
Noosa Regional Council Policy requires that a development ensure non-worsening of
stormwater flows up to and including Q100 stormwater events. The proposed development
will not have a larger impervious area than the existing developed site and hence will not
require a stormwater detention system to mitigate the effects of any additional runoff.
f. Maintenance
Construction Phase Management Plan
Potential construction phase impacts include the following:
Sedimentation and erosion
Management of contaminated soils and materials on the site Construction Material (such
as cement)
General
The objective of the Construction Phase Management Plan is to comply with the requirements
of the Queensland Environmental Protection Act 1994 and Environmental Protection (Water)
Policy 2009 so that the environmental values of effected receiving waters are maintained or
enhanced. In essence the purpose of the Plan is to prevent polluted stormwater being
discharged to the local waterways.
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Performance Indicators
The management is not being effective when any of the following occur during the
construction phase of the project.
The required water quality objectives are not achieved,
Contaminated water is released off site.
Construction Phase Management of Sedimentation and Erosion
A sediment and siltation fence will be erected around the property boundary to ensure that
sediment is not washed off site and onto adjacent properties or roads. Entry and exit from
the site will be restricted to a single stabilised location to minimise the rise of onsite transport
of silt sediment or mud. It is anticipated that a layer of crushed rock will provide the
necessary stabilisation of the access route. If required a specific bunded wash down area will
be provided for the cleaning of plant before leaving the site and all wash down waste water
will be collected. In the event that debris or sediment leaves the site it will be cleaned.
Management of Contaminated Soils Materials
There are no contaminated soils materials fill on the site. The site is not listed on the public
contaminated site’s register.
Management of Imported Materials
Any material imported to the site including construction materials will be stockpiled in a
location where it cannot contaminate the stormwater system or stormwater runoff.
Complaint Response
The contractor will erect signage at the entrance to the works with contact information,
including afterhours contact numbers. The contractor will properly deal with all complaints.
Monitoring and Reporting
All sediment and erosion control devices will be checked daily and after rainfall events by the
construction site supervisor. Defective or full devices will be cleaned and repaired as
required. Regular inspections and maintenance of the storm water system will be carried out
by the property owner. The civil components (structural and erosion) are to be assessed by a
suitably qualified engineer as required.
Lifecycle cost assessment
There will be no abnormal capital or recurrent costs for the proposed stormwater strategy.
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6. Flood Zoning
The proposed site is not in a recognised flood zone according to the Noosa Regional Council
Tewantin and Doonan Natural Hazard : Landslide and Flooding Overlay (Map OM 9.3). See
Figure 6.1 below for Flood map. The map shows that there is no flood zone in close proximity
to the proposed site, therefore flooding issues do not apply to this site.
SITE
Figure 6.1: Noosa Regional Council Flood Overlay Map OM9.3
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7. Sewer Reticulation
Figure 7.1: QUU Sewer and Water DBYD Map
Figure 7.1 shows a sewer main beneath the proposed development site with property
connections to the existing development site as well as to neighbouring sites (Lots 3T16319
and 1RP73080). It is anticipated that this line will be abandoned and a new sewer line will be
installed to Unitywater and SEQwater standards, to service the existing properties plus the
proposed extensions to the RSL of Lot 10SP273411. Please refer to Drawing 16144-P003 of
Appendix B for details.
The new, proposed extensions will comply with the Council’s build over/near sewer
requirements.
Internal house drainage design for this proposed development will be by others.
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8. Water Reticulation
Figure 7.1 shows the existing water reticulation infrastructure for the proposed site. Hydrants
are situated adjacent to the site in Memorial Avenue and Doonella Street.
A new water connection will be provided from the supply in Memorial Avenue to the
proposed development to Unitywater and SEQwater standards.
The Internal water supply design for this proposed development will be by others.
9. Electrical and Telecommunication
The electrical supply and communications supply for this proposed development will be by
others.
10.Development Codes
The following applicable Local and State Codes have been completed to address the proposed
development and are included in Appendix H:
Driveway and Parking Code
Earthworks Code
Water Supply and Sewerage Reticulation Code
11.Conclusions
vT Consulting Engineers has undertaken a review of civil engineering services required for the
proposed development located at 1 Memorial Avenue, Tewantin QLD 4565.
Based on all the findings outlined in this report, vT Consulting Engineers believes that there are
no significant engineering issues in relation to this development.
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Appendix A - Survey Plan
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4 4. < a g ia 4 4 f
A A 4 . 7 OA g | | A v | | & i tT
Watt i / i 4 4 4 | Cun Tree | & | 2
[> IS t + a “ 4 ; ?0/3m J d
6.00 % EMT A | h 1 6G a \/ Kerb A 4 “9 . 4m, Height | 2 | <
5 £ | SP106185 | | WH not fd 4 A A J = z —_ ; 7 "4 | “mn Spregd S | S
| Plotted from DBYD < 0” 4 or Biter’ < 4 Z | | | & lx
——— |. |Position_is Approx only ge_of bitumen . a4 4 : biG | S
i) I | f 2
co | 4 Kerb ap | | |
Garden .Bed | a 4 Oo . 4 oO - | c
S 5 |
5.50 | | C 571018 6.00 Garden | &
; + Change of Grade 270'0' Ay ye eG OF ] 3
> + ee Garden Bed. eee —— le 0h o
ee re Concrete Footpath fal OT eee Ne poo — f x
eS ee ’ go NE Concrete Footpath / XO
SITE. BENCHMARK SS es oe ES So get ae ee ot ot LF
Nail in Kerb Sly p eS ae Pee gate cf
RL 4/744 NSS R= p96? 455 of f Poa 5.00 Back of Kerb 6.50 Back of Kerb Erect Sign i
at 4.50 Kerb 5.00 5.50
Edge of Bitumen Edge of Bitumen
Roundabout in this Area
Scale 1:125 - Lengths are in Metres.
bea ped | | | | | | | | |
DOONELLA 5 0 5 10 15 STREET
(ms plan is prepared for the purpose of Statewide Survey Group hereby grants Sat Amendments we = Chent Project LeveL DATUM AHD der |L.B.
designing new construction on the land and permission for the Local Authority to ate: escription nO) 7 ~ ORIGIN F.B.
should not be used for any other purpose. reproduce all relevant information Plan of Contour Detail Survey a x SCALE
Underground services shown hereon have been contained herein for the purposes stated TEWANTIN NOOSA RSL & Over Lot 10 on SP 236319 PSM no. 27341 .
located by field where possible. Prior to any in the Sustainable Planning Act 2009. > RL: 1/883 1:125
Demaiition, Construction or Excovation on the | if should be noted that the granting of CPNGENS MEMORIAL CLUB Lot 1 on RP 73080 and sys, Al
, i i Dat < QC XQ
for the possible location of further underground this consent by the copyright holder does Lot 3 on T 16319 ~ DN -
services. not sign away copyright approval granted Surveyed Designed
The Real Property Boundaries have not been voce the Commonwealth Copyright Act Associated Consultants Drawn SRP Drawn
defined by this survey and have been compiled : Checked ARH Checked ABN 77 088 374 869
from SP 236319, RP 73080 & T
16319 Exact Bearings, Dimensions and Areas are RUBICON TEWANTIN REFERENCE No. 5357-15
subject to a Cadastral Survey. Check Title for Parish of NOOSA 3/123 Link Road Victoria Point, QLD 416
ons oreients. County of MARCH PLAN No. Phone: 1300 362 094 Fox:1300 786 094
30/03/2015 NOOSA SHIRE COUNCIL 5 5 5 / a 4 O O _ O 4 Email: [email protected]
Page 19
1
3
Statewide
[OCR of page images]
DIAGRAM A _
Seale 1:125 POINCIANA a AVENUE
Sheet 2 of 3
I
Crown oy —
SITE. BENCHMARK “7 OF Rogg ae
O Nail in Kerb ~
RL 9483m
Edge of Biturmen
Back of Kerb 9.500
“4
I 7,
ha
SS
Bus Stop ea Tes
Garden
gy! )
§ —____}- | | Edge of Bitumen oe SITE BENCHMARK
g otack, of Kerb lay | - 300 a a OPM 138576
a - | Comms Pits Ae Kerb re ere RL 81852m
a | Street: Sign Street Si eo oe NN
w Comms Pit u Street-Sig ——, SN
. | a P wh “comms ‘Pit Comms Pity Comms. Pit ON
S| 4 Lo oe ee Ee Line, Plotted tram DBYD RecordsConcrete Footpath gst ‘ | i
y ae Carden : - Position is Approx only [in PA | NY
90°04" go0aN Drveway WA ; 90°04 ue ete
| F | f 14/082 101064 a “iy § 2 |p z 54919 g | Concrete. | r - , Ny
gBY? recor | | & “ x 7 4 porden Bed ‘ + | Oe Pits \
So g + It \
from | only a 4 1g | ToT G \
ig APP | | iI| | Sg L 8 = bey \
| $ Jos s S | + Lo +e \
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| § +] | < = = ¢ . x .
| ; | - SHES I 8 f |
le [| of : HH |S - spa ® & !
5 \ au I, 8 S pi a |
| r ip \.. 8 , 1 “ “4 alis -. ——— = —— * | |
| | ! § | 5 A & e ¥ + 4 Garden
| | \ a | om ‘ ea Hla “A boo 4 KNWN Roof Ridge 777, |
Joe | os We | : ; |
yee A a A | | 3xPalm Trees |
g . 4 0 Aa hh A ?0/4m |
ck | | a “ | 7m Height | | \
oy tH ; < 3 3m Spread \ \
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s | | af 0% L - . Al | uy :
eee: A
——> + |
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x 4 ~ | | A Roof Ridge | ~~
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5 ®D PhS ingle Storey Building w 5 6 |
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t | / Tey y § | “A x Brick Post Office 1 6 9g 2 2 | | |
— S 71: | <=
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% § , SOS |
x elst a
s § | | oe | , . | Telstra Pit) g ‘| |
s 3 — | eg 8
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c ° | 4 + + 4 $ 8
e ° | | 3 by Single storey Brick 4 g 4 el? | “9? 5 9
S & \ \ N\ - Building 8
2 D> -_ | °
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@ VT 4 r]S|& T 16319 | o. iG | : p 2
|| \ y & lo 4 4 Known Pit 3
A . | 567 m? Jie A | Pit | SITE. BENCHMARK . =
eae
f \ 3 OPM 48612 \. Carden |
Bors | ly res Back of Kerb l RL_&/901m h | @ SITE. BENCHMARK
araen + \ 7 4 Edge of Bitumen oI i , 4 “Z LL : Roof Ridg: ee \ ee 4 Outlets? O Nail in Kerb
& | 7 a “ a Aa g 5 RL 8/361m
—— <=, gio 4 og : s §
“Te.00 Ee v4 g ® =
: oy 42 4 8.50 g
SITE BENCHMARK / | $ + 4 A . : 4 ° “Ss
Nail in Bitumen ® S | | ga - 4 °
RL 8/821m x oe A aoa, : ae 7 4 g
g SZ Ridge 4 4g 9 a J : Ww
& a | v4 Bitumen Carparks . 4 5 F
| | . Z 4 g 4
% [lol | 4 q tog | -\
Ss ONS m « “ :
oe a \ | Palrn Tree A - s a 4 4 a4 4 . s J ~
° | PO/25rA s A ; < “ a “A < |
| 6m, Height et, : : fo ew,
3m Spread J o yg 4 4 fo < 5 . 4 “ Ta A <,
| Concrete SS “Edge of Bitumen “46, 4 A - eo 9 J A |
—__} bel * = Be 1 a 2g
(eo \ |], Gorden Back of Kerb seem S72 BENCHMARK | r
s|| ‘ |
| | S| | , Nail in Kerb
| | 1
| & \| Le | (Concrete RL 8/473m RS
ee — | a | T | $ 3.50 > 7 as
a f S| | | | 850 Lawn . 20/45 8
eo |. 8 [sell | N | | Gum Tree 6m Height | + S
5 g £ | ?0/45m + £ g! ' &
S Ja} || | | + 2 : 12m Spreag + 8 @
x g — | wo, 6m Height Dult/et ‘s
& h | | Building | 18m Sprea . °
o PEE Hy :
T IY I
| oot y bez sV) i Outlet S
, | ; h .
| 90°0 i (a MH SLBA go) gs 800 got eS rs 3 ae a ¢
Z 7 : - “ Tt — 7 5 e VV Hy
6 14/082 COIN sepa Garden Bed On) FIBA I olen oO Fence Mi
x G 4 SRN a Kerb i \
8 & TO ~~ oi : : 5 = \
S s 4 e 3 Gum Tree @ “ Edge pf, Bitumen % Gum. Tree g | 8 |
S & | LH 203m |, 4° (faire At oo. paeeeipie by
‘s 6m Height < o 3m Helg oa i rden| | 8 5
§ 3 a § Building an Spread 4.6m Spread} 4 Garden | eS ©
% v “st g 4 A \ <
dS J “ 4g 4 7. >
|, J 2 A ad A 4 x
& | | J ° 4 4 159 A a A < J . | S
S| J “ g 4 4 _ 4 A J |S
. ZL \AN \ s saa 4 9 | |
| Seale 1:125 — Lengths are in Metres. i Kerb “| 4 XA g 7 ant a 4 J 1 . | |
750 ve 5 os 4 ! ! ! t ! ! ! 7 15 j > — at, gr “ 4a , / ¢ g , Aa tts
: 5 5 < | of dge of Bitumen a . a 49 4 - |
(xs plan is prepared for the purpose, of ; Statewide Survey Group jereby grants sat Amendments on — Client Project LeveL pATUM AHD der |B
esigning new construction on the land an permission for the Local Authority to ate: escription 7 ORIGIN F.B.
should not be used for any other purpose. reproduce all relevant information Plan of Contour Detail Survey PSM 27341 | SCALE
Under ground gomices shown nereon nove been contained herein for the purposes stated TEWANTIN NOOSA RSL & Over Lot 10 on SP 236319, ne. 1:125
ocated by tela where possible. Frior to any in the Sustainable Planning Act 2009. N x N RL: 1|883 .
Demelition, Construction or Excavation on the | it should be noted that the granting of CITIZENS MEMORIAL CLUB | Lot 1 on RP 73080 and ses, @ A
. 4 . . this consent by the copyright holder does Date 2
for she possible location of further underground not sign away copyright approval granted Lot 3 on T 16319 Surveyed DN Designed
The Real Property Boundaries have not been vnger the Commonwealth Copyright Act Associated Consultants Drawn SRP Drawn
defined by this survey and have been compiled : Checked ARH Checked ABN 77 088 374 869
from SP 236319, RP 73080 & T
16319 Exact Bearings, Dimensions and Areas are RUBICON TEWANTIN REFERENCE No 5357-15
subject to a Cadastral Survey. Check Title for Parish of NOOSA 3/123 Link Road Victoria Point, QLD 416
any, caters. County of MARCH PLAN No. - Phone: 1300 362 094 Fox:1500 786 094
30/03/2015 “ L mall [email protected]
/03/2018 NOOSA SHIRE COUNCIL 959 /— 500-02
Cadaatral Srirwevwar Vata
Page 20
ENG
Engineering Report & Stormwater Management Plan
Date: 22/09/2016 Document No.: 16144-ENG-01.Docx
By: MRS Revision No.: A
Appendix B - Proposed Design Drawings
A PO Box 26, Carina Q 4152 17 | P a g e
E [email protected]
W www.vtce.com.au
Page 21
LEGEND
EXISTING PROPERTY BOUNDARY
CONSTRUCT 7m WIDE CONCRETE PELICAN STREET EXISTING CONTOUR - MAJOR
CROSSOVER TYPE B TO IPWEA N
STANDARD DRAWING No. RS-051 EXISTING CONTOUR - MINOR
LOCATED AT GROUND FLOOR LEVEL EXISTING BUILDING
EXISTING KERB AND CHANNEL
N
N
N
SW EXISTING STORMWATER DRAINAGE
N
N
N
N
N
N
N
N
N
N
N
N
N
N
S
N
N
EXISTING SEWER
N
N
N
STORMWATER DRAINAGE IN
SUSPENDED SLAB TO BE TAKEN W EXISTING WATER
DOWN COLUMN TO BASEMENT LEVEL
EXISTING ELECTRICAL OVERHEAD
N
TO DISCHARGE TO STORMFILTER
HV EXISTING ELECTRICAL HIGH VOLTAGE
CHAMBER IN BASEMENT BELOW
E EXISTING ELECTRICAL LOW VOLTAGE
N T EXISTING COMMUNICATIONS
G EXISTING GASLINE
X X X X X X X X ABANDON EXISTING SERVICE
PROPERTY BOUNDARY
EASEMENT BOUNDARY
BUILDING
N
KERB AND CHANNEL
STORMWATER DRAINAGE IN KERB
SUSPENDED SLAB LOCATED ON STORMWATER DRAINAGE
GROUND FLOOR LEVEL ABOVE TO ROOFWATER DRAINAGE
HYDRAULIC ENGINEERS DETAILS
SEWER
WATER MAIN
N
W W
STORMWATER 360 STORMFILTER CW CW PRIVATE COLD WATER SUPPLY
CHAMBER - SFMH OFFLINE WITH I I SEDIMENT FENCE
I
I
I
BASEMENT STORMWATER DRAINAGE HIGH FLOW BYPASS AND PRECAST
TO HYDRAULIC ENGINEERS DETAILS MANHOLE STORMFILTER. REFER TO EXISTING SURFACE LEVEL
STORMWATER MANAGEMENT PLAN
1
FOR DETAILS. INSTALLED TO N RL1.234 PROPOSED SURFACE LEVEL
NOTE: MANUFACTURERS SPECIFICATIONS.
FILTER CHAMBER TO BE LOCATED TO
CONSTRUCT 6.2m WIDE CONCRETE
ENSURE BOTH THE CHAMBER AND
POINCIANA AVENUE
CROSSOVER TYPE B TO IPWEA
INLET / OUTLET PIPES MISS
STANDARD DRAWING No. RS-051
STRUCTURAL FOOTINGS
DOONELLA STREET
N
S S S S S S S S S S S S S S S S
X X X X X X X X X X X X X X X X X X X X X X X X X
X X X X X X X X X X X
X X X
USIL 3.867
N
X
X
S
PROPOSED GULLY PIT WITH SOLID TRAFFICABLE LID DSIL 3.775
X
X
TO ENSURE NO SURFACE WATER ENTERS. GULLY PIT L = 7.500
X
TO BE LOCATED TO ENSURE STORMWATER OUTLET
X
GRADE 1:200
X
PIPE IS 300 MIN CLEAR OF NEW SEWER MANHOLE S S
X X X X X X X
10
X
X
N
NEW STORMWATER DRAINAGE PIT
KERB INLET TO IPWEA STANDARD
X
DRAWING No. DS-063
X
SL 5.00
X
EXISTING KERB DEMOLISHED FOR
X
STORMWATER INSTALLATION
NEW KERB & CHANNEL TO BE BUILT N
X
TO NOOSA SHIRE COUNCIL
EXISTING STORMWATER
X
STANDARD DRAWING SD:9001 & 9036
X
TO REMAIN UNCHANGED
X
X
N
EXISTING BUILDING
X
X
X
N
N
NN
USIL 3.755
DSIL 3.440
EXISTING BUILDING L = 31.500
GRADE 1:100
3
N
N
EXISTING STORMWATER DRAINAGE
PIT KERB INLET
N
SL 4.37
N
N
EU
MEMORIAL AVENUE
N
EU
LAYOUT PLAN
SCALE 1:200
CLIENT: SCALE: 1:200 DRAWN: JC PROJECT: JOB No.:
E: [email protected]
TEWANTIN - NOOSA RSL
16144
A: PO Box 26, Carina
SHEET SIZE: A1 DESIGN: AvT
Ph: (07) 3172 8334
1 MEMORIAL AVE, TEWANTIN QLD 4565
PLOTTED: 20.09.2016
W: vtce.com.au
DATUM: AHD CHECKED: AvT
QLD 4152
C 21.09.16 STORMWATER 360 FILTERCHAMBER ADDED JC AvT COPYRIGHT: THIS DOCUMENT IS AND SHALL REMAIN DRAWING TITLE: DRAWING No.: REV.:
APPROVED:
0 2 4 6 8 10 B 14.07.16 GENERAL REVISIONS JC AvT THE PROPERTY OF vT CONSULTING ENGINEERS. THIS
STORMWATER LAYOUT PLAN
C
DOCUMENT MAY ONLY BE USED FOR THE PURPOSE
SCALE 1:200
A 08.07.16 PRELIMINARY ISSUE JC AvT FOR WHICH IT WAS COMMISSIONED AND IN
ACCORDANCE WITH THE TERMS OF ENGAGEMENT.
UNAUTHORISED USE OF THIS DOCUMENT IN ANY
P001
REV. DATE: AMENDMENT: BY: APP: NOT FOR CONSTRUCTION
Page 22
LEGEND
EXISTING PROPERTY BOUNDARY
PELICAN STREET EXISTING CONTOUR - MAJOR
N
EXISTING CONTOUR - MINOR
EXISTING BUILDING
EXISTING KERB AND CHANNEL
N
N
N
SW
N
EXISTING STORMWATER DRAINAGE
N
N
N
N
N
N
N
N N
N
N
N
N
N
N
N
S
N
EXISTING SEWER
W EXISTING WATER
EXISTING ELECTRICAL OVERHEAD
N
HV EXISTING ELECTRICAL HIGH VOLTAGE
E EXISTING ELECTRICAL LOW VOLTAGE
T EXISTING COMMUNICATIONS
G EXISTING GASLINE
X X X X X X X X ABANDON EXISTING SERVICE
SW SW SW SW SW SW SW SW
PROPERTY BOUNDARY
EASEMENT BOUNDARY
RW RW RW RW RW RW BUILDING
KERB AND CHANNEL
SW
KERB
SW SW STORMWATER DRAINAGE
RW RW ROOFWATER DRAINAGE
SEWER
SW
W W WATER MAIN
CW CW PRIVATE COLD WATER SUPPLY
I I SEDIMENT FENCE
I
I
I
EXISTING SURFACE LEVEL
SW
1 RL1.234 PROPOSED SURFACE LEVEL
POINCIANA AVENUE
SW
USIL 3.904
DSIL 3.571
L = 60.00
DOONELLA STREET
GRADE 1:180
SW SW SW SW SW SW SW SW SW SW
2 0.60
1 SEWER LINE 1
SW
USIL 3.551
EXISTING SEWER TO BE ABANDONED DSIL 3.520
EXISTING SEWER TO BE ABANDONED X X X X X X X X X X X X X X X X X X X X X X X X X X
X X X X X X X X X X X L = 5.600
X X
X
X
GRADE 1:180
X
SW
X
X
X
SEWER LINE 1
X
S S
X X X X X X X
10
X
X
X
SW
X
X
1.125
EXISTING SEWER TO BE ABANDONED
X
SW
USIL 4.161 X
X
X
X
DSIL 3.924
SW
L = 23.60
X
GRADE 1:100
EXISTING BUILDING
X
X
SW
X
N
0.60
NN
SW
EXISTING BUILDING
SW
3
N
N
SW
N
N
N
EU
MEMORIAL AVENUE
N
EU
LAYOUT PLAN
SCALE 1:200
CLIENT: SCALE: 1:200 DRAWN: JC PROJECT: JOB No.:
E: [email protected]
TEWANTIN - NOOSA RSL
16144
A: PO Box 26, Carina
SHEET SIZE: A1 DESIGN: AvT
Ph: (07) 3172 8334
1 MEMORIAL AVE, TEWANTIN QLD 4565
PLOTTED: 20.09.2016
W: vtce.com.au
DATUM: AHD CHECKED: AvT
QLD 4152
C 21.09.16 STORMWATER 360 FILTERCHAMBER ADDED JC AvT COPYRIGHT: THIS DOCUMENT IS AND SHALL REMAIN DRAWING TITLE: DRAWING No.: REV.:
APPROVED:
0 2 4 6 8 10 B 14.07.16 GENERAL REVISIONS JC AvT THE PROPERTY OF vT CONSULTING ENGINEERS. THIS
SEWER RETICULATION LAYOUT
C
DOCUMENT MAY ONLY BE USED FOR THE PURPOSE
SCALE 1:200
A 08.07.16 PRELIMINARY ISSUE JC AvT FOR WHICH IT WAS COMMISSIONED AND IN
ACCORDANCE WITH THE TERMS OF ENGAGEMENT.
UNAUTHORISED USE OF THIS DOCUMENT IN ANY
P003
REV. DATE: AMENDMENT: BY: APP: NOT FOR CONSTRUCTION
Page 23
ENG
Engineering Report & Stormwater Management Plan
Date: 22/09/2016 Document No.: 16144-ENG-01.Docx
By: MRS Revision No.: A
Appendix C - Noosa Erosion and Sediment Control Assessment Form
A PO Box 26, Carina Q 4152 18 | P a g e
E [email protected]
W www.vtce.com.au
Page 24
Including amendments to 16 September 2013
SCHEDULE 2—EROSION AND SEDIMENT CONTROL
ASSESSMENT
The Noosa Plan
1. Preamble
Erosion and sediment control on building sites
Builders must not pollute the environment. The Environmental Protection Act provides for
penalties for persons or entities causing environmental harm.
Soil erosion on building sites can be a major source of sediment pollution (environmental
harm) in our watercourses. A single building site can lose up to four truckloads of soil in one
storm. Washed from the sites into stormwater drains, this sediment can cause flooding and
also affects the water quality and the fish stocks in our creeks, lakes and the Noosa River
system.
Preventing sediment run-off from building sites is one of a number of ways that Council and
industry are improving our watercourses.
Effective on-site erosion and sediment control provides the following benefits—
• A better looking, more marketable site;
• Improved wet weather working conditions;
• Reduced stockpile losses;
• Less mud and dust problems;
• Reduced clean-up costs;
• Fewer public complaints;
• Better public image;
• Cleaner watercourses; and
• Better fishing and swimming in our nearby watercourses.
2. Erosion Hazard Assessment Form
Controlling Factors Points Score Checking
1
Predominant slope of the whole site, prior to
building works:
• 0 - 3% slope
• >3% - 5% slope
0
1
2
1
• >5% - 10% slope
• >10% - 15% slope 4
• > 15% slope 5
Soil type: (see 1 below)
• Sandy soil/gravel
• Sandy loam
0
1 2
1
The term ‘predominant slope’ is defined in Part 2 Section 2.12.
S2.1
Page 25
Including amendments to 16 September 2013
Controlling Factors Points Score Checking
• Clay loam 2
2
The Noosa Plan
• Clay soil
Anticipated duration of site disturbance: (see 2 below)
• Duration < 2 weeks 0
• 2 weeks # Duration < 3 months
• 3 months # Duration < 6 months
2
4 4
• Duration > 6 months 5
Month that works are undertaken: (see 3 below)
• August, September 0
• April, May, June, July, November, October
• March December
1
2 1
• January February 3
Offsite sediment control (i.e. down slope of the soil
disturbance):
• Score 1 point if there is no purpose built, operational 1
and well maintained sediment traps (eg. sediment
basin, gross pollutant trap or purpose built wetland)
to catch sediment before it enters a water body with
0
environmental values (eg. creek, natural wetland,
river or bay) (see 4 below)
Run-off entering the site:
• Score 1 point if stormwater run off entering the site is
not diverted away from the soil disturbance
1
0
Extent of site disturbance:
• Score 2 points if building work requires reshaping of
5
the ground surface (eg. ‘cut and fill’ works) (see 5 2
below)
• Score 5 points if the area to be disturbed is greater 5
than 600m²
Works within environmentally sensitive areas:
• Score 11 points if the disturbance is within the banks
of a watercourse (see 6 below) 11
• Score 5 points if the disturbance is within 50m of the
top of bank of a watercourse 5 0
• Score 2 points if the disturbance is between 50m
and 100m of the top of bank of a watercourse 2
TOTAL SCORE (See 7 & 8 below)
Notes:
13
1. Where there is more than one type of soil on the site, select the category with the highest point value.
2. The time, from when the building site will first become vulnerable to erosion, to the time the soil will
be fully stabilised (eg. grassing).
3. If this time span covers more than one category, select the category with the highest point value.
Note that if there is no grass/vegetation cover on the site before building work has started, the time
span starts from the time this form is completed.
4. If you are not sure, score 1 point.
5. For the purpose of this form, ‘cut and fill’ works are those that will result in a steep batter or retaining
wall above and/or below the building slab, greater than 1 metre in height. If the building slab has
already been fully cut and stabilised (eg. grassed) during the subdivision stage, score 0 points.
6. Watercourse means any clearly identifiable creek, stream or river, whether flowing permanently or
intermittently.
7. For a high risk site, the total score is ≥ 14 points.
8. For a low risk site, the total score is < 14 points.
S2.2
Page 26
Including amendments to 16 September 2013
3. Erosion and Sediment Control Methods
The Noosa Plan
Element Solution
Minimise disturbance when excavating Retain as much grassed area as possible on the
site.
These areas not only improve the appearance
of the site they also filter much of the sediment
from stormwater run-off before it reaches the
drainage system.
Catch drains and perimeter banks Allow for diversion of up slope stormwater
around the work site and other disturbed
surfaces.
Install a sediment barrier Install sediment barriers down slope of the
building site to filter coarse sediment before it
can wash into gutters, drains and watercourses.
• Purpose designed geotextile sediment
fabric (i.e. not shadecloth) attached to posts
with the geotextile buried in an upstream
trench; or
• Place turf of a minimum 600mm width along
kerb line; or
• Straw bales, staked in a 100mm (min) deep
trench.
Single gravelled entry-exit Restrict vehicle access to one entry-exit point.
• Gravelling the access point will allow all
weather access, will reduce the amount of
soil carried off the site by vehicles, and will
provide a permanent base for the driveway.
Early stormwater drainage connection Connect a temporary or permanent downpipe/s
to the stormwater system before laying the roof
or slow and spread the flow from downpipe/s to
avoid localised erosion. Downpipe/s may be
temporarily removed during wall construction.
All stormwater must discharge in a manner that
does not cause soil erosion.
Concrete waste and washing Waste concrete and household paint must not
be allowed to wash into the gutters or the street.
Sand and soil stockpiles Stockpiles must be placed wholly on the
construction site and behind a sediment barrier.
S2.3
Page 27
ENG
Engineering Report & Stormwater Management Plan
Date: 22/09/2016 Document No.: 16144-ENG-01.Docx
By: MRS Revision No.: A
Appendix D - IECA (Australasia) Standard Drawings
Available from: http://www.austieca.com.au/publications/book-6-standard-drawings
A PO Box 26, Carina Q 4152 19 | P a g e
E [email protected]
W www.vtce.com.au
Page 28
Building site 2 m (min)
Minimu Flow control berm incorporated
m leng into the rock pad if the pad
40 − 75 mm th 10 m
(min) receives runoff from the building
crushed rock 300 mm (min)
site (location may vary)
10 m (min)
150 − 200 mm Land slope
Width 2.0 m (min) da
ry Kerb
o un
yb
p er t Footpath
Up-slope runoff directed Pro
Make safe for
to an appropriate Roadway Footpath pedestrian traffic
sediment trap
Geotextile filter cloth (mandatory Make safe for
when working on clayey soils) pedestrian traffic ROADWAY
(a) Rock entry/exit pad for building sites
(b) Rock pad sloping away from road
CONSTRUCTION NOTES: STIFF-BRISTLED BROOM, AND THEN BY A
MECHANICAL VACUUM UNIT, IF AVAILABLE.
MATERIALS
3. IF NECESSARY FOR SAFETY REASONS, THE Building site 2 m (min)
ROCK: WELL GRADED, HARD, ANGULAR, ROADWAY SHALL ONLY BE WASHED CLEAN
EROSION RESISTANT ROCK, NOMINAL AFTER ALL REASONABLE EFFORTS HAVE BEEN
DIAMETER OF 40 TO 75mm. TAKEN TO SHOVEL AND SWEEP THE MATERIAL
FROM THE ROADWAY.
FOOTPATH STABILISING AGGREGATE: 25 TO Land slope
10 m (min)
50mm GRAVEL OR AGGREGATE (IF REQUIRED). 4. WHEN THE VOIDS BETWEEN THE ROCK
BECOMES FILLED WITH MATERIAL AND THE
GEOTEXTILE FABRIC: HEAVY-DUTY, EFFECTIVENESS OF THE ROCK PAD IS
NEEDLE-PUNCHED, NON-WOVEN FILTER REDUCED TO A POINT WHERE SEDIMENT IS
Sediment fence
CLOTH (‘BIDIM’ A24 OR EQUIVALENT). BEING TRACKED OFF THE SITE, A NEW 100mm
LAYER OF ROCK MUST BE ADDED AND/OR THE
INSTALLATION ROCK PAD MUST BE EXTENDED. Make safe for
Footpath
pedestrian traffic
1. INSPECT ALL SITE ENTRY AND EXIT POINTS 5. ENSURE ANY ASSOCIATED DRAINAGE
PRIOR TO FORECAST RAIN, DAILY DURING CONTROL MEASURES (e.g. FLOW CONTROL
EXTENDED PERIODS OF RAINFALL, AFTER BERM) ARE MAINTAINED IN ACCORDANCE
RUNOFF-PRODUCING RAINFALL, OR WITH THEIR DESIRED OPERATIONAL ROADWAY
OTHERWISE AT FORTNIGHTLY INTERVALS. CONDITION.
Catchments & Creeks Pty Ltd
2. IF SAND, SOIL, SEDIMENT OR MUD IS 6. DISPOSE OF SEDIMENT AND DEBRIS IN A
TRACKED OR WASHED ONTO THE ADJACENT MANNER THAT WILL NOT CREATE AN EROSION (c) Rock pad sloping towards the road
SEALED ROADWAY, THEN SUCH MUST BE OR POLLUTION HAZARD.
PHYSICALLY REMOVED, FIRST USING A Drawn: Date:
SQUARE-EDGED SHOVEL, AND THEN A
GMW May-10 Rock Pads for Building Sites ESC-01
Page 29
MATERIALS 4. WRAP THE FABRIC AROUND OR REMOVAL
OVER THE STORMWATER INLET 1. WHEN THE UP-SLOPE DRAINAGE
FABRIC (LIGHT TRAFFIC AREAS): GRATE IN SUCH A MANNER THAT AREA HAS BEEN STABILISED,
HEAVY-DUTY, NEEDLE-PUNCHED, PREVENTS ANY WATER ENTERING REMOVE ALL MATERIALS INCLUDED
NON-WOVEN FILTER CLOTH (‘BIDIM’ THE STORMWATER INLET WITHOUT DEPOSITED SEDIMENT AND DISPOSE
A34 OR EQUIVALENT). PASSING THROUGH THE FABRIC. OF IN A SUITABLE MANNER THAT WILL
NOT CAUSE AN EROSION OR
FABRIC (HEAVY TRAFFIC AREAS): 5. ENSURE ALL OTHER FLOW ENTRY POLLUTION HAZARD.
POLY-PROPYLENE, POLYAMIDE, POINTS ARE COVERED WITH FABRIC
NYLON, POLYESTER, OR SUCH THAT WATER CANNOT ENTER Sediment collection pit excavated around inlet
POLYETHYLENE WOVEN OR THE STORMWATER INLET WITHOUT
NON-WOVEN REINFORCED FABRIC. PASSING THROUGH A SUITABLE
THE FABRIC WIDTH SHOULD BE AT FILTER.
LEAST 700mm, WITH A MINIMUM UNIT
WEIGHT OF 140g/m2. FABRICS 6. TAKE ALL NECESSARY MEASURE
SHOULD CONTAIN ULTRAVIOLET TO MINIMISE SAFETY OR FLOODING
INHIBITORS AND STABILISERS TO RISK CAUSED BY OPERATION OF THE
PROVIDE A MINIMUM OF 6 MONTHS SEDIMENT TRAP.
OF USEABLE CONSTRUCTION LIFE
(ULTRAVIOLET STABILITY EXCEEDING MAINTENANCE
70%).
1. INSPECT THE BARRIER AFTER
INSTALLATION EACH RUNOFF-PRODUCING
RAINFALL EVENT AND MAKE REPAIRS (a) Fabric wrap drop inlet protection with trench
1. REFER TO APPROVED PLANS FOR AS NEEDED TO THE SEDIMENT TRAP.
LOCATION AND DIMENSIONAL Grate wrapped in non-woven
DETAILS. IF THERE ARE QUESTIONS 2. REMOVE COLLECTED SEDIMENT filter cloth (woven sediment
OR PROBLEMS WITH THE LOCATION, AND DISPOSE OF IN A SUITABLE Sediment collection pit fence fabric only used in
DIMENSIONS OR METHOD OF MANNER THAT WILL NOT CAUSE AN excavated around inlet heavy traffic areas)
INSTALLATION CONTACT THE EROSION OR POLLUTION HAZARD.
ENGINEER OR RESPONSIBLE
ON-SITE OFFICER FOR ASSISTANCE. 3. REPLACE THE FABRIC IF IT IS TORN
OR DAMAGED.
2. ENSURE THAT THE INSTALLATION
OF THE SEDIMENT TRAP WILL NOT 4. SEDIMENT DEPOSITS SHOULD BE Stormwater
CAUSE UNDESIRABLE SAFETY OR REMOVED IMMEDIATELY IF THEY inlet grate
FLOODING ISSUES. REPRESENT A SAFETY RISK.
Catchments & Creeks Pty Ltd
3. SELECT THE APPROPRIATE FABRIC
FOR THE SITE CONDITIONS.
(b) Typical details of excavated sediment collection trench
Drawn: Date:
Grated Stormwater (Field) Inlet
GMW May-10 Sediment Trap ESC-02
Page 30
MATERIALS (ii) EACH SOCK EXTENDS UP THE WASHED CLEAN AFTER ALL REASONABLE 4. ALL SYNTHETIC (PLASTIC) MESH OR
CHANNEL BANKS SUCH THAT THE CREST EFFORTS HAVE BEEN TAKEN TO SHOVEL OTHER NON READILY BIODEGRADABLE
SOCKS: MINIMUM 200mm DIAMETER MATERIAL MUST BE REMOVED FROM THE
OF THE SOCK AT ITS LOWEST POINT IS AND SWEEP THE MATERIAL FROM THE
SYNTHETIC OR BIODEGRADABLE TUBES SITE ONCE THE SLOPE OR DRAIN IS
LOWER THAN GROUND LEVEL AT EITHER SURFACE.
MANUFACTURED FROM NON-WOVEN OR STABILISED, OR THE SOCKS HAVE
END OF THE SOCK.
COMPOSITE FABRIC SUITABLE FOR THE DETERIORATED TO A POINT WHERE THEY
3. DISPOSE OF COLLECTED SEDIMENT IN
‘FILTRATION’ OF COARSE SEDIMENTS. ARE NO LONGER PROVIDING THEIR
4. IF STAKES ARE REQUIRED TO ANCHOR A SUITABLE MANNER THAT WILL NOT
FILL MATERIAL: STRAW, CANE MULCH, THE SOCKS, THEIR SPACING DOES NOT CAUSE AN EROSION OR POLLUTION INTENDED DRAINAGE OR SEDIMENT
COMPOSTED MATERIAL (AS4454), EXCEEDING 1.2m OR SIX TIMES THE HAZARD. CONTROL FUNCTION.
COARSE SAND, OR CLEAN AGGREGATE. SOCK DIAMETER (WHICHEVER IS THE
STAKES: MINIMUM 25 x 25mm TIMBER. LESSER). A MAXIMUM STAKE SPACING OF Filter socks overlap
0.3m APPLIES WHEN USED TO FORM onto kerb
4.0 m (min)
INSTALLATION CHECK DAMS.
1. REFER TO APPROVED PLANS FOR Sediment
LOCATION AND INSTALLATION DETAILS. MAINTENANCE
1. INSPECT ALL FILTER SOCKS PRIOR TO pond
IF THERE ARE QUESTIONS OR PROBLEMS
WITH THE LOCATION, DIMENSIONS OR FORECAST RAIN, DAILY DURING
METHOD OF INSTALLATION CONTACT THE EXTENDED PERIODS OF RAINFALL,
AFTER SIGNIFICANT RUNOFF Run-off
ENGINEER OR RESPONSIBLE ON-SITE 1 m (max) on public roads
OFFICER FOR ASSISTANCE. PRODUCING STORMS OR OTHERWISE AT
WEEKLY INTERVALS.
2. ENSURE THE SOCKS ARE PLACED
INDIVIDUALLY OR COLLECTIVELY (AS A 2. REPAIR OR REPLACE DAMAGED Bypass flow
SINGLE SEDIMENT TRAP) SUCH THAT: SOCKS.
(i) LEAKAGE AROUND OR UNDER THE (a) On-grade kerb inlet sediment trap
SOCKS IS MINIMISED; 3. THE BULK OF THE SEDIMENT
(ii) ADJOINING SOCKS ARE TIGHTLY COLLECTED BEHIND THE FILTER SOCKS Filter socks may need to fully surround
BUTTED OR OVERLAPPED AT LEAST SHOULD BE REMOVED BY SHOVEL AFTER PVC pipe spacers the inlet to intercept sediment runoff
450mm; EACH STORM EVENT. from the road and verge
(iii) THE SURFACE AREA OF POTENTIAL
WATER PONDING UP-SLOPE OF EACH 4. REMOVE COLLECTED SEDIMENT AND
SEDIMENT TRAP IS MAXIMISED; DISPOSE OF IN A SUITABLE MANNER
(iv) TO THE MAXIMUM DEGREE THAT WILL NOT CAUSE AN EROSION OR
PRACTICAL, ALL SEDIMENT-LADEN POLLUTION HAZARD.
WATER WILL PASS THROUGH THE
FORMED POND BEFORE FLOWING OVER REMOVAL
THE DOWN-SLOPE END OF THE 1. ALL SAND, SOIL, SEDIMENT OR MUD
SEDIMENT TRAP. MUST BE PHYSICALLY REMOVED FROM Filter sock
SEALED SURFACES, FIRST USING A
3. WHEN PLACED ACROSS THE INVERT SQUARE-EDGED SHOVEL, AND THEN A Gully grate wrapped in non-woven filter fabric Side inlet remains open
STIFF-BRISTLED BROOM, AND THEN BY A
Catchments & Creeks Pty Ltd
OF MINOR DRAINS, ENSURE THE SOCKS (minimum, bidim A34 or equivalent)
ARE PLACED SUCH THAT: MECHANICAL VACUUM UNIT, IF
(i) THE CREST OF THE DOWNSTREAM AVAILABLE.
(b) Sag inlet sediment trap
SOCK IS LEVEL WITH THE CHANNEL
INVERT AT THE IMMEDIATE UPSTREAM 2. IF NECESSARY FOR SAFETY REASONS, Drawn: Date:
SOCK (IF ANY); THE SEALED SURFACE SHALL ONLY BE
GMW Dec-09 Kerb Inlet Sediment Traps ESC-03
Page 31
Woven or 2000 mm (max) without
Fabric composite support wire
Fabric B sediment
2m Post fence fabric Post
Clean
Fabric Fabric sand or Post Post
Post aggregate B A 200 (min)
Final Back fill
batter
Fabric A
200 mm 300 mm
Fabric to fold around each stake one full turn.
Stake B to be drive tightly against Stake A.
Soil The tops of both stakes to be secured with wire.
Sheet flow
(a) Location of fence relative to base of slope (b) Anchoring base of fabric (c) Joining fabric - Method 1
(d) Installation without backing support
W Fabric 3000 mm (max) with top wire
Woven or or wire mesh backing
Straw bale Staple/tack Fabric B composite
300 mm (min) sediment Post
fence fabric
Sediment Fabric A 1 m (max)
Safety cap 200 (min) secure fabric
Top wire
Support post option 1 to wire
support
1500 mm2 hardwood stake
200 mm
Support post option 2
1.5 kg/m steel star picket
(e) Spill-through weir (f) Placement of up-slope straw bale (g) Joining fabric - Method 2
Sheet flow
3 m (max) with wire backing, ‘Returns’ placed at 20 m spacing (max) if fence is located (h) Installation with top wire support
along the contour, otherwise 5 to 10 m depending on slope Notes:
otherwise 2 m (max)
1. Sediment fence to be installed along a line of constant ground elevation
Direction of flow 1.5 m (min)
wherever practical.
2. Both end of the sediment fence to extend up the slope at least 1m.
3. Support post to be spaced a maximum 2m unless the fence is supported
by a top wire or wire mesh backing, in which case 3m maximum spacing.
Catchments & Creeks Pty Ltd
4. Fence ‘returns’ shall be installed at maximum 20m spacing if fence is
installed along the contour, otherwise 5 to 10m maximum spacing.
All support posts placed
Fabric down-slope of fabric 5. Minimum 4 staples or tie wires per stake.
buried Sediment fence fabric, Drawn: Date:
200 mm not filter cloth or shade cloth (i) Installation of sediment fence
GMW Dec-09 Sediment Fence ESC-04
Page 32
MATERIALS DAM A MINIMUM 1/3 AND MAXIMUM 1/2 FENCE THE TWO STAKES TIED TOGETHER WITH WIRE; MAINTENANCE
HEIGHT, AND EXTENDING AT LEAST 1.5m UP OR
FABRIC: POLYPROPYLENE, POLYAMIDE, THE SLOPE. (ii) OVERLAP THE FABRIC TO THE NEXT 1. INSPECT THE SEDIMENT FENCE AT LEAST
NYLON, POLYESTER, OR POLYETHYLENE ADJACENT SUPPORT POST. WEEKLY AND AFTER ANY SIGNIFICANT RAIN.
WOVEN OR NON-WOVEN FABRIC, AT LEAST 4. ENSURE THE EXTREME ENDS OF THE MAKE NECESSARY REPAIRS IMMEDIATELY.
700mm IN WIDTH AND A MINIMUM UNIT WEIGHT FENCE ARE TURNED UP THE SLOPE AT LEAST 11. SECURELY ATTACH THE FABRIC TO THE
OF 140g/m2. ALL FABRICS TO CONTAIN 1.5m, OR AS NECESSARY, TO MINIMISE WATER SUPPORT POSTS USING 25 X 12.5mm STAPLES, 2. REPAIR ANY TORN SECTIONS WITH A
ULTRAVIOLET INHIBITORS AND STABILISERS BYPASSING AROUND THE FENCE. OR TIE WIRE AT MAXIMUM 150mm SPACING. CONTINUOUS PIECE OF FABRIC FROM POST
TO PROVIDE A MINIMUM OF 6 MONTHS OF TO POST.
USEABLE CONSTRUCTION LIFE (ULTRAVIOLET 5. ENSURE THE SEDIMENT FENCE IS 12. SECURELY ATTACH THE FABRIC TO THE
STABILITY EXCEEDING 70%). INSTALLED IN A MANNER THAT AVOIDS THE SUPPORT WIRE/MESH (IF ANY) AT A MAXIMUM 3. WHEN MAKING REPAIRS, ALWAYS RESTORE
CONCENTRATION OF FLOW ALONG THE SPACING OF 1m. THE SYSTEM TO ITS ORIGINAL
FABRIC REINFORCEMENT: WIRE OR STEEL FENCE, AND THE UNDESIRABLE DISCHARGE CONFIGURATION UNLESS AN AMENDED
MESH MINIMUM 14-GAUGE WITH A MAXIMUM OF WATER AROUND THE ENDS OF THE FENCE. 13. ENSURE THE COMPLETED SEDIMENT LAYOUT IS REQUIRED OR SPECIFIED.
MESH SPACING OF 200mm. FENCE IS AT LEAST 450mm, BUT NOT MORE
6. IF THE SEDIMENT FENCE IS TO BE THAN 700mm HIGH. IF A SPILL-THOUGH WEIR 4. IF THE FENCE IS SAGGING BETWEEN
SUPPORT POSTS/STAKES: 1500mm2 (MIN) INSTALLED ALONG THE EDGE OF EXISTING IS INSTALLED, ENSURE THE CREST OF THE STAKES, INSTALL ADDITIONAL SUPPORT
HARDWOOD, 2500mm2 (MIN) SOFTWOOD, OR TREES, ENSURE CARE IS TAKEN TO PROTECT WEIR IS AT LEAST 300mm ABOVE GROUND POSTS.
1.5kg/m (MIN) STEEL STAR PICKETS SUITABLE THE TREES AND THEIR ROOT SYSTEMS LEVEL.
FOR ATTACHING FABRIC. DURING INSTALLATION OF THE FENCE. DO 5. REMOVE ACCUMULATED SEDIMENT IF THE
NOT ATTACH THE FABRIC TO THE TREES. 14. BACKFILL THE TRENCH AND TAMP THE FILL SEDIMENT DEPOSIT EXCEEDS A DEPTH OF 1/3
INSTALLATION TO FIRMLY ANCHOR THE BOTTOM OF THE THE HEIGHT OF THE FENCE.
7. UNLESS DIRECTED BY THE SITE FABRIC AND MESH TO PREVENT WATER FROM
1. REFER TO APPROVED PLANS FOR LOCATION, SUPERVISOR OR THE APPROVED PLANS, FLOWING UNDER THE FENCE. 6. DISPOSE OF SEDIMENT IN A SUITABLE
EXTENT, AND REQUIRED TYPE OF FABRIC (IF EXCAVATE A 200mm WIDE BY 200mm DEEP MANNER THAT WILL NOT CAUSE AN EROSION
SPECIFIED). IF THERE ARE QUESTIONS OR TRENCH ALONG THE PROPOSED FENCE LINE, ADDITIONAL REQUIREMENTS FOR THE OR POLLUTION HAZARD.
PROBLEMS WITH THE LOCATION, EXTENT, PLACING THE EXCAVATED MATERIAL ON THE INSTALLATION OF A SPILL-THROUGH WEIR
FABRIC TYPE, OR METHOD OF INSTALLATION UP-SLOPE SIDE OF THE TRENCH. 7. REPLACE THE FABRIC IF THE SERVICE LIFE
CONTACT THE ENGINEER OR RESPONSIBLE 1. LOCATE THE SPILL-THROUGH WEIR SUCH OF THE EXISTING FABRIC EXCEEDS
ON-SITE OFFICER FOR ASSISTANCE. 8. ALONG THE LOWER SIDE OF THE TRENCH, THAT THE WEIR CREST WILL BE LOWER THAN 6-MONTHS.
APPROPRIATELY SECURE THE STAKES INTO THE GROUND LEVEL AT EACH END OF THE
2. TO THE MAXIMUM DEGREE PRACTICAL, AND THE GROUND SPACED NO GREATER THAN 3m FENCE. REMOVAL
WHERE THE PLANS ALLOW, ENSURE THE IF SUPPORTED BY A TOP SUPPORT WIRE OR
FENCE IS LOCATED: WEIR MESH BACKING, OTHERWISE NO 2. ENSURE THE CREST OF THE 1. WHEN DISTURBED AREAS UP-SLOPE OF THE
(i) TOTALLY WITHIN THE PROPERTY GREATER THAN 2m. SPILL-THROUGH WEIR IS AT LEAST 300mm THE SEDIMENT FENCE ARE SUFFICIENTLY
BOUNDARIES; GROUND ELEVATION. STABILISED TO RESTRAIN EROSION, THE
(ii) ALONG A LINE OF CONSTANT ELEVATION 9. IF SPECIFIED, SECURELY ATTACH THE FENCE MUST BE REMOVED.
WHEREVER PRACTICAL; SUPPORT WIRE OR MESH TO THE UP-SLOPE 3. SECURELY TIE A HORIZONTAL CROSS
(iii) AT LEAST 2m FROM THE TOE OF ANY SIDE OF THE STAKES WITH THE MESH MEMBER (WEIR) TO THE SUPPORT POSTS/ 2. REMOVE MATERIALS AND COLLECTED
FILLING OPERATIONS THAT MAY RESULT IN EXTENDING AT LEAST 200mm INTO THE STAKES EACH SIDE OF THE WEIR. CUT THE SEDIMENT AND DISPOSE OF IN A SUITABLE
SHIFTING SOIL/FILL DAMAGING THE FENCE. EXCAVATED TRENCH. ENSURE THE MESH AND FABRIC DOWN THE SIDE OF EACH POST AND MANNER THAT WILL NOT CAUSE AN EROSION
FABRIC IS ATTACHED TO THE UP-SLOPE SIDE FOLD THE FABRIC OVER THE CROSS MEMBER OR POLLUTION HAZARD.
3. INSTALL RETURNS WITHIN THE FENCE AT OF THE STAKES EVEN WHEN DIRECTING A AND APPROPRIATELY SECURE THE FABRIC.
MAXIMUM 20m INTERVALS IF THE FENCE IS FENCE AROUND A CORNER OR SHARP 3. REHABILITATE/REVEGETATE THE
INSTALLED ALONG THE CONTOUR, OR 5 TO CHANGE OF DIRECTION. 4. INSTALL A SUITABLE SPLASH PAD AND/OR DISTURBED GROUND AS NECESSARY TO
10m MAXIMUM SPACING (DEPENDING ON CHUTE IMMEDIATELY DOWN-SLOPE OF THE MINIMISE THE EROSION HAZARD.
Catchments & Creeks Pty Ltd
SLOPE) IF THE FENCE IS INSTALLED AT AN 10. WHEREVER POSSIBLE, CONSTRUCT THE SPILL-THROUGH WEIR TO CONTROL SOIL
ANGLE TO THE CONTOUR. THE ‘RETURNS’ SEDIMENT FENCE FROM A CONTINUOUS ROLL EROSION AND APPROPRIATELY DISCHARGE
SHALL CONSIST OF EITHER: OF FABRIC. TO JOIN FABRIC EITHER: THE CONCENTRATED FLOW PASSING OVER
(i) V-SHAPED SECTION EXTENDING AT LEAST (i) ATTACH EACH END TO TWO OVERLAPPING THE WEIR.
1.5m UP THE SLOPE; OR STAKES WITH THE FABRIC FOLDING AROUND Drawn: Date:
(ii) SANDBAG OR ROCK/AGGREGATE CHECK THE ASSOCIATED STAKE ONE TURN, AND WITH
GMW May-10 Sediment Fence ESC-05
Page 33
ENG
Engineering Report & Stormwater Management Plan
Date: 22/09/2016 Document No.: 16144-ENG-01.Docx
By: MRS Revision No.: A
Appendix E - State Planning Policy April 2016 – Water Quality development
assessment code
A PO Box 26, Carina Q 4152 20 | P a g e
E [email protected]
W www.vtce.com.au
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1 Memorial Avenue Tewantin, QLD 4565
State Planning Policy April 2016 – Water Quality
Performance Outcome Criteria and Acceptable Outcomes
SPP code: Water quality
Performance outcomes Acceptable outcomes Solution
1 PO1 AO1.1 SO1.1
The development is planned and designed considering A site stormwater quality management plan (SQMP) is A site stormwater quality management plan has been
the land use constraints of the site for achieving prepared, and: prepared for this development that is consistent with any
stormwater design objectives. a. is consistent with any local area stormwater local area stormwater management planning and
management planning, and provides for achievable stormwater quality treatment
b. provides for achievable stormwater quality measures.
treatment measures meeting design objectives
listed below in Table A (construction phase) and
Table B (post construction phase), or current best
practice environmental management, reflecting
land use constraints, such as:
• erosive, dispersive and/or saline soil types
• landscape features (including landform)
• acid sulfate soil and management of nutrients of
concern
• rainfall erosivity.
Editor’s note: Local area stormwater management
planning may include Urban Stormwater Quality
Management Plans, or Catchment or waterway
management plans, Healthy Waters Management Plans,
Water Quality Improvement Plans, Natural Resource
Management Plans.
2 PO2 AO2.1 SO2.1
Development does not discharge wastewater to a A wastewater management plan (WWMP) is prepared by Not applicable as wastewater is not proposed for this
waterway or off site unless demonstrated to be best- a suitably qualified person and addresses: development.
practice environmental management for that site.
a. wastewater type, and
b. climatic conditions, and
c. water quality objectives (WQOs), and
d. best-practice environmental management, and
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1 Memorial Avenue Tewantin, QLD 4565
State Planning Policy April 2016 – Water Quality
Performance Outcome Criteria and Acceptable Outcomes
Performance outcomes Acceptable outcomes Solution
AO2.2
The WWMP provides that wastewater is managed in
accordance with a waste management hierarchy that:
a. avoids wastewater discharges to waterways, or
b. if wastewater discharge to waterways cannot
practicably be avoided, minimises wastewater discharge
to waterways by re-use, recycling, recovery and
treatment for disposal to sewer, surface water and
groundwater.
3 PO3 AO3.1 SO3.1
Any non-tidal artificial waterway is located in a way that If the proposed development involves a non-tidal Not applicable as a waterway is not proposed for this
is compatible with the land use constraints of the site for artificial waterway: development.
protecting water environmental values in existing natural a. environmental values in downstream waterways are
waterways. protected, and
b. any groundwater recharge areas are not affected, and
c. the location of the waterway incorporates low lying
areas of a catchment connected to an existing waterway,
and
d. existing areas of ponded water are included, and
AO3.2
Non-tidal artificial waterways are located:
a. outside natural wetlands and any associated buffer
areas, and
b. to minimise disturbing soils or sediments, and
c. to avoid altering the natural hydrologic regime in acid
sulfate soil and nutrient hazardous areas.
4 PO4 AO4.1 SO4.1
Any non-tidal artificial waterway is located in a way that Where a non-tidal artificial waterway is located adjacent Not applicable as a waterway is not proposed for this
is compatible with existing tidal waterways. to, or is connected to, a tidal waterway by means of a development.
weir, lock, pumping system or similar:
a. there is sufficient flushing or a tidal range of >0.3m, or
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1 Memorial Avenue Tewantin, QLD 4565
State Planning Policy April 2016 – Water Quality
Performance Outcome Criteria and Acceptable Outcomes
Performance outcomes Acceptable outcomes Solution
b. any tidal flow alteration does not adversely impact on
the tidal waterway, or
c. there is no introduction of salt water into freshwater
environments.
5 PO5 AO5.1 SO5.1
Stormwater does not discharge directly to a non-tidal Any non-tidal artificial waterway is designed and Not applicable as a waterway is not proposed for this
artificial waterway without treatment to manage managed for any of the following end-use purposes: development.
stormwater quality management.
a. amenity including aesthetics, landscaping and
recreation, or
b. flood management, or
c. stormwater harvesting as part of an integrated
water cycle management plan, or
d. aquatic habitat, and
AO5.2
The end-use purpose of any non-tidal artificial waterway
is designed and operated in a way that protects water
environmental values.
6 PO6 AO6.1 SO6.1
Construction activities for the development avoid or An erosion and sediment control plan (ESCP) An erosion and sediment control plan has been prepared
minimise adverse impacts on stormwater quality. demonstrates that release of sediment-laden stormwater for this development that will address the design
is avoided for the nominated design storm, and objectives.
minimised when the nominated design storm is
exceeded, by addressing design objectives listed below in
Table A (construction phase) or local equivalent, for:
a. drainage control, and
b. erosion control, and
c. sediment control, and
d. water quality outcomes, and
AO6.2
Erosion and sediment control practices (including any
proprietary erosion and sediment control products) are
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1 Memorial Avenue Tewantin, QLD 4565
State Planning Policy April 2016 – Water Quality
Performance Outcome Criteria and Acceptable Outcomes
Performance outcomes Acceptable outcomes Solution
designed, installed, constructed, operated, monitored
and maintained, and any other erosion and sediment
control practices are carried out in accordance with local
conditions and appropriate recommendations from a
suitably qualified person, or
AO6.3
The ESCP demonstrates how stormwater quality will be
managed in accordance with an acceptable regional or
local guideline so that target contaminants are treated to
a design objective at least equivalent to Acceptable
Outcome AO6.1.
7 PO7 AO7.1 SO7.1
Operational activities for the development avoid or Development incorporate stormwater flow control Not applicable as a waterway is not proposed for this
minimises changes to waterway hydrology from adverse measure to achieve the design objectives set out below development.
impacts of altered stormwater quality and flow. in and Table B (post construction phase). The operational
phases for the development comply with design
objectives in Table B (post construction phase), or
current best practice environmental management,
including management of frequent flows, and peak flows.
8 PO8 AO8.1 SO8.1
Any treatment and disposal of waste water to Implement the WWMP prepared in accordance with Not applicable as a waterway is not proposed for this
a waterway accounts for: AO2.1 development.
the applicable water quality objectives for the
receiving waters, and
adverse impact on ecosystem health or receiving
waters, and
in waters mapped as being of high ecological value,
the adverse impacts of such releases and their offset.
9 PO9 AO9.1 SO9.1
Wastewater discharge to a non-tidal artificial waterway is Wastewater discharge to non-tidal artificial waterways is Not applicable as a waterway is not proposed for this
managed in a way that maintains ecological processes, managed to avoid or minimise the release of nutrients of
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State Planning Policy April 2016 – Water Quality
Performance Outcome Criteria and Acceptable Outcomes
Performance outcomes Acceptable outcomes Solution
riparian vegetation, waterway integrity, and downstream concern so as to minimise the occurrence, frequency and development.
ecosystem health. intensity of coastal algal blooms, and
AO9.2
Development in coastal catchments avoids or minimises
and appropriately manages soil disturbance or altering
natural hydrology, and
AO9.3
Development in coastal catchments:
a. avoids lowering groundwater levels where potential or
actual acid sulfate soils are present, and
b. manages wastewaters so that
(i) the pH of any wastewater discharged is maintained
between 6.5 and 8.5 to avoid mobilisation of acid, iron,
aluminium, and metals, and
(ii) holding times of neutralised wastewaters ensures the
flocculation and removal of any dissolved iron prior to
release, and
(iii) visible iron floc is not present in any discharge, and
(iv) precipitated iron floc is contained and disposed of,
and
(v) wastewater and precipitates that cannot be contained
and treated for discharge on site are removed and
disposed of through tradewaste or another lawful
method.
10 P10 A10.1 S10.1
Any non-tidal artificial waterway is managed and Any non-tidal artificial waterway is designed, constructed Not applicable as a waterway is not proposed for this
operated by suitably qualified persons to achieve water and managed under the responsibility of a suitably development.
quality objectives in natural waterways. qualified registered professional engineer, Queensland
(RPEQ) with specific experience in establishing and
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1 Memorial Avenue Tewantin, QLD 4565
State Planning Policy April 2016 – Water Quality
Performance Outcome Criteria and Acceptable Outcomes
Performance outcomes Acceptable outcomes Solution
managing artificial waterways, and
A10.2
Monitoring and maintenance programs adaptively
manage water quality in any non-tidal artificial waterway
to achieve relevant water-quality objectives downstream
of the waterway, and
A10.3
Aquatic weeds are managed in any non-tidal artificial
waterway to achieve a low percentage of coverage of the
water surface area (less than 10%). Pests and vectors
(such as mosquitoes) are managed through avoiding
stagnant water areas, providing for native fish predators,
and any other best practices for monitoring and treating
pests, and
A10.4
Any non-tidal artificial waterway is managed and
operated by a responsible entity under agreement for the
life of the waterway. The responsible entity is to
implement a deed of agreement for the management
and operation of the waterway that:
a. identifies the waterway, and
b. states a period of responsibility for the entity, and
c. states a process for any transfer of responsibility for
the waterway, and
d. states required actions under the agreement for
monitoring the water quality of the waterway and
receiving waters, and
e. states required actions under the agreement for
maintaining the waterway to achieve the outcomes of
this code and any relevant conditions of a development
approval, and
Page 40
1 Memorial Avenue Tewantin, QLD 4565
State Planning Policy April 2016 – Water Quality
Performance Outcome Criteria and Acceptable Outcomes
Performance outcomes Acceptable outcomes Solution
f. identifies funding sources for the above, including
bonds, headworks charges or levies.
Table A: Construction phase—stormwater management design objectives
Application
Applies to all climatic regions.
Issue Design Objectives
Temporary 1. Design life and design storm for temporary drainage works:
Drainage Control
drainage • Disturbed area open for <12 months—1 in 2-year ARI event
works • Disturbed area open for 12–24 months—1 in 5-year ARI event
• Disturbed area open for > 24 months—1 in 10-year ARI event
2. Design capacity excludes minimum 150 mm freeboard
3. Temporary culvert crossing—minimum 1 in 1-year ARI hydraulic capacity
Erosion 1. Minimise exposure of disturbed soils at any time
Erosion Control
control measures 2. Divert water run-off from undisturbed areas around disturbed areas
3. Determine the erosion risk rating using local rainfall erosivity, rainfall depth, soil-loss rate or
other acceptable methods
4. Implement erosion control methods corresponding to identified erosion risk rating
Sediment control 1. Determine appropriate sediment control measures using:
Sediment Control
measures • potential soil loss rate, or
• monthly erosivity, or
• average monthly rainfall
2. Collect and drain stormwater from disturbed soils to sediment basin for design storm event:
• design storm for sediment basin sizing is 80th% five-day event or similar
Page 41
1 Memorial Avenue Tewantin, QLD 4565
State Planning Policy April 2016 – Water Quality
Performance Outcome Criteria and Acceptable Outcomes
Design storm for 3. Site discharge during sediment basin dewatering:
sediment • TSS < 50 mg/L TSS, and
control basins • Turbidity not >10% receiving waters turbidity, and
• pH 6.5–8.5
Sediment basin
dewatering
Litter and other waste, 1. Avoid wind-blown litter; remove gross pollutants
Water quality
hydrocarbons and other 2. Ensure there is no visible oil or grease sheen on released waters
contaminants 3. Dispose of waste containing contaminants at authorised facilities
Changes to the natural 1. For peak flow for the 1-year and 100-year ARI event, use constructed sediment basins to
Waterway stability and
waterway hydraulics attenuate the discharge rate of stormwater from the site
flood flow
and hydrology
management
Table B: Post construction phase—stormwater management design objectives
Application
(a) Applies to western Queensland and Cape York/ Far North Queensland, for population centres greater than 25,000 persons, and
(b) For all other climatic regions with population centres greater than 3000 persons.
Please refer to water quality objectives table in main report for data applicable to this application. Please refer to Table B of SPP (2014)
for complete data set.
Page 42
ENG
Engineering Report & Stormwater Management Plan
Date: 22/09/2016 Document No.: 16144-ENG-01.Docx
By: MRS Revision No.: A
Appendix F - Stormwater360 Operations and Maintenance Manuals
A PO Box 26, Carina Q 4152 21 | P a g e
E [email protected]
W www.vtce.com.au
Page 43
EnviroPod® Installation Manual [OCR of page images] EnviroPod Installation Manual Seu)
Page 44
Purpose
The purpose of this manual is to indicate the safest and most efficient method in installing the EnviroPod units.
Personal Protective Equipment
The following personal protective equipment is required by staff for installation activities:
High visibility vest or shirt
Safety Footwear (Steel cap toe)
Gloves (leather palmed riggers gloves or similar)
Safety eyewear whilst drilling, hammering, cutting T section struts and installing tops and cages.
Hearing protection for drilling, cutting using electric or battery saws and hammering.
Note: Personnel on construction and private sites must also adhere to the specific safety requirements of each
work site.
Tools Required For Installation
1. Tape measure
2. Marking Template
3. Marking spray paint
4. 8mm masonry drill
5. 5 mm steel drill
6. Pop Riveter for 4.8mm rivets
7. Hammer
8. Stanley knife
9. Straight edge
10. 10mm socket and ratchet
11. Hacksaw
Pre-Installation Works (to be completed by others)
1. Gully pits shall be clean prior to installation by either a “Gully sucker” or manual methods.
2. All solidified material and debris within the gully pit shall be broken-out and removed.
3. Cleaning shall be carried out up to 1 week immediately prior to installation.
4. Any standing water shall be removed from the gully pit.
5. Any pipe penetrations within the gully pit must cut off flush with pit walls and rendered prior to installation.
Installation
The aim of all EnviroPod installations is to install the largest unit into each pit, without influencing the
hydraulic performance of the pit or drainage system. To provide clarification on certain aspects of the
installation the following tolerances are included:
©2013 Stormwater360 | EnviroPod Installation Manual 2
Page 45
Code Location Tolerance Description
(Drawing)
A Between top section Equal distance between the The distance is to ensure that any object
and underside of unit and the underside of the entering the pit, through the kerb inlet, will
grate grate to that between the kerb not cause any blockages
lintel and the gutter invert.
B Between the cage A minimum of 70mm. A This distance is to ensure that unit will not
walls and the pit maximum of 300mm (without cause material to accumulate between the
unit modification) pit walls and the cage and that standard
plastic sizes can be used.
C Between the cage A minimum of 70mm. This distance is to ensure that unit will not
base and the pit cause material to accumulate between the
pit base and the cage.
D Into through flow Maximum of the top ¼ of the To ensure that the through pipe is not
pipe pipe can be obstructed by the obstructed.
cage.
Kerb Lintel
A
A
A
Or
Cage
Cage
B Min B Min B Min
B Min 70mm 70mm 70mm
70mm D - ¼ Diameter
C Min
70mm
Diameter
©2013 Stormwater360 | EnviroPod Installation Manual 3
Page 46
Enviropod Installation Procedure – 1 Piece Cage
Strut Installation
1. Measure the internal dimensions of the pit while marking the center of the pit length, at 150mm down
from entry of pit (the height where the struts are to be secured).
Remember to allow for dimension “A”.
2. Using a unit template mark the position of the holes for the L-brackets, based on the center mark.
3. Using an 8mm masonry drill bit drill holes for the insertion of the Dyna Bolts.
©2013 Stormwater360 | EnviroPod Installation Manual 4
Page 47
4. Cut the T sections to length, and pop rivet an L-bracket to one end of the T sections.
5. Insert the T section, with L-bracket under the lintel and secure L-bracket to the pit wall with an 8mm
Galvanised Dyna Bolt.
6. Secure second L-bracket to the opposite pit wall using a Dyna Bolt.
7. Pop rivet the free side of the T section to the second L-bracket.
8. Repeat the steps 5-7 for the second T section.
©2013 Stormwater360 | EnviroPod Installation Manual 5
Page 48
Top Section Installation
1. Measure the internal dimensions of the pit at the height at which the plastic is to sit.
2. Trim the plastic to fit the internal pit dimensions, adding an extra 20mm to each side to ensure a tight
fit.
3. With the plastic bent slightly upwards, lower the Top Section into the pit, guiding the unit so that it
locates on the T Sections struts.
©2013 Stormwater360 | EnviroPod Installation Manual 6
Page 49
4. Slide the Top Section along the T Sections until it sits in the center of the pit.
5. Check unit to ensure a good fit with pit, if the unit does not make a good fit, and that any gaps are less
than 15mm. If the gaps are larger than 15mm the plastic will need to be replaced by a larger section.
6. On each strut drill a 5mm hole through the Top Section and the T Struts, and secure the Top Section to
the struts using a 73AS6-8 pop rivet. NOTE: if the EnviroPod incorporates a cage, step 6 can be
completed during stage 2 of “Cage Installation”.
7. Check plastic to ensure that it is bent upwards on all sides, adjusting plastic if required, fill small gaps
with silicon sealant if required.
©2013 Stormwater360 | EnviroPod Installation Manual 7
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Cage Installation
1. Lower the cage through the Top Section until the lip of the cage sits on the internal lip of the Top
Section.
2. Drill a 5mm hole through the Top Section and Cage Lip, and secure with a pop rivet.
3. Repeat for opposite side.
©2013 Stormwater360 | EnviroPod Installation Manual 8
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Bag Installation
1. Thread the filter bag onto the stainless steel support ring.
2. Lower the bag into the pit ensuring that the lifting loops at the base of the bag or on the outside.
3. Pull the internal filter mesh downwards to ensure a secure fit with the top section.
©2013 Stormwater360 | EnviroPod Installation Manual 9
Page 52
Stormwater360 Australia
OPERATION AND MAINTENANCE GUIDELINES
Enviropod
Prepared by: Stormwater360
Sydney Office: 4/107 Stephen Road, Botany, NSW 2019 Australia
Telephone: (02) 93169188 Facsimile: (02) 93164204
Email: www.stormwater360.com.au
Page 53
TABLE OF CONTENTS
1 INTRODUCTION ..................................................................................................................... 4
2 ENVIROPOD HEALTH AND SAFETY .................................................................................... 6
2.1 PERSONNEL HEALTH AND SAFETY ........................................................................................ 6
2.2 TRAFFIC CONTROL ............................................................................................................. 7
2.3 CONFINED SPACES ............................................................................................................. 8
3 OPERATIONS......................................................................................................................... 9
3.1 STORMWATER PIT COVER REMOVAL .................................................................................. 10
3.2 CLEANING METHODS......................................................................................................... 14
3.3 UNIT INSPECTION.............................................................................................................. 18
3.4 FILTER BAG INSPECTION AND REJUVENATION ...................................................................... 19
3.5 DISPOSAL OF MATERIAL .................................................................................................... 20
4 EMERGENCY PROCEDURES.............................................................................................. 21
4.1 SPILL PROCEDURES .......................................................................................................... 21
4.2 BLOCKAGES ..................................................................................................................... 21
5 MAINTENANCE AND INSPECTION FREQUENCY .............................................................. 22
PLATE 1 VEHICLE POSITIONED NEAR PIT, PREVENTING TRAFFIC FROM PASSING CLOSE TO THE PIT. ............ 7
PLATE 2 HEAD-ON VIEW , INDICATING THE PLACEMENT OF THE VEHICLE NEAR THE PIT. .............................. 8
PLATE 3 HINGED GALVANISED STEEL PIT GRATE ................................................................................. 10
PLATE 4 HEAVY DUTY HINGED GALVANISED STEEL PIT GRATE ............................................................. 10
PLATE 5 HINGED CAST IRON GRATE .................................................................................................. 10
PLATE 6 NON-HINGED HEAVY DUTY GALVANISED STEEL PIT GRATE ....................................................... 10
PLATE 7 NON-HINGED CAST IRON GRATE ........................................................................................... 10
PLATE 8 LIFTING THE GRATE ............................................................................................................ 11
PLATE 9 OPENING GRATE ............................................................................................................... 11
PLATE 10 FULLY OPEN GRATE .......................................................................................................... 11
PLATE 11 LOWING GRATE................................................................................................................ 11
PLATE 12 INSERT HOOK NEAR EDGE OF GRATE .................................................................................. 13
PLATE 13 POSITION EACH LIFTER EITHER SIDE OF THE GRATE.............................................................. 13
PLATE 14 LIFT GRATE AND MOVE GRATE TO ONE SIDE ......................................................................... 13
PLATE 15 LIFT GRATE ABOVE THE SUPPORT FRAME ............................................................................ 13
PLATE 16 REINSTATED NON HINGED GRATE ....................................................................................... 13
PLATE 17 CLEANING AN ENVIROPOD USING THE INDUCTOR METHOD .................................................... 15
PLATE 18 PLACE THE LIFTING HOOKS THROUGH THE BAG LOOPS.......................................................... 17
PLATE 19 LIFT THE BAG FROM THE CAGE AND SUPPORT FRAME ........................................................... 17
PLATE 20 LIFT THE BAG FROM THE STORMWATER PIT ......................................................................... 17
PLATE 21 LIFT THE BAG ONTO THE COLLECTION VEHICLE .................................................................... 17
PLATE 22 GRAB THE BOTTOM LIFTING LOOPS..................................................................................... 17
PLATE 23 LIFTING THE BOTTOM BAG LOOPS EMPTY THE FILTER BAG ..................................................... 17
PLATE 24 COMPLETELY EMPTY THE CONTENTS OF THE FILTER BAG ...................................................... 18
PLATE 25 BRUSH THE PORES FILTER BAG WITH A STIFF BRUSH ............................................................ 18
PLATE 26 REINSTALL FILTER BAG ..................................................................................................... 18
PLATE 27 ENSURE THAT THE UNIT IS POSITIONED CORRECTLY, WITH THE LIFTING LOOPS ON THE INSIDE ... 18
PLATE 28 CORRECTLY INSTALLED FILTER BAG ................................................................................... 18
PLATE 29 INSTALLED FILTER BAG AND SEALED PIT .............................................................................. 18
PLATE 30 CHECK SEALS ARE PUSHED AGAINST THE PIT WALLS ............................................................ 19
PLATE 31 CHECK JOINING RIVETS (TWO PIECE UNIT SHOWN ABOVE) ..................................................... 19
PLATE 32 SLIGHTLY CLOGGED FILTER BAG, INDICATED BY THE BROWN STAIN ON IN THE CENTRE OF THE BAG
............................................................................................................................................. 20
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PLATE 33 A CLEAN USED FILTER BAG ................................................................................................ 20 APPENDICES APPENDIX A – SERVICE RECEIPT EXAMPLE APPENDIX B – EXAMPLE MAINTENANCE FORM
Page 55
1 INTRODUCTION
The following report details the recommended methods for cleaning and maintaining the
Enviropod Stormwater Gully Pit Insert. The aspects associated with cleaning included in
this manual are methods for grate removal, filter bag cleaning, unit inspection, filter bag
rejuvenation and the re-installation of the filter bags. This plan should be used in
conjunction with the appropriate traffic management plans and site safety plans produced
for each project. Other Stormwater360 (IES) documents which IES staff should use in
conjunction with this report include the IES Employee Health and Safety Manual. It is
recommend that contractors develop there own health and safety plans for activities to
ensure that the workers are placed in a safe work environment.
Enviropod filter in service.
Each stormwater treatment device must be inspected and maintained regularly to ensure it
is working properly throughout the estimated design life. The Enviropod filters require
servicing every 1 - 6 months depending on site characteristics, however the maintenance
requirements are less labour intensive than alternate traditional treatments. During each
inspection and clean, details of the mass, volume and type of material observed should be
record to provide ongoing data for future management plan revisions and the optimisation
of the maintenance frequency. It is essential that maintenance (including inspections,
recording and reporting) be carried out in a systematic manner and is carried out by
qualified and experienced personnel. It is also advisable that the treatment device owner
has a nominated person responsible for overseeing the management process.
Maintenance is an essential component of stormwater management enabling ongoing at
source control of stormwater pollution. Maintenance will also prevent failures such as
structural failure (e.g. prevents blocked outlets) or aesthetic failure (e.g. debris
accumulation). All stormwater treatment devices require maintenance to ensure the
ongoing performance of the system.
Stormwater360 (IES) is a specialised stormwater consultancy with trained and
experienced staff. The company has a comprehensive database with detailed information
on every Enviropod filter sold and serviced by IES (formerly Enviropod), collecting site-
specific data that can be easily accessed and analysed as required.
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This document consists primarily of the processes and tasks associated with the hand maintenance and inductor maintenance procedures. It does not include detail of the traffic management requirements or occupational health and safety requirements. Contractors or IES staff should utilise their own Employee Health and Safety Manual, which details the policies and procedures for safe work.
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2 Enviropod Health and Safety
The following section details some of the considerations which may be required for a
contactor to comply with relevant health and safety regulations regarding the manual
handing activities, hazards associated with the waste material and issues associated with
working on roads.
Cleaning of Enviropod filters is a specialist activity. Material collected can be harmful if not
handled correctly. Sediments may contain heavy metals and carcinogenic substances as
well as harmful objects such as broken glass and syringes. As all of the Enviropod units
are located on roads particular care must be taken due to the potential build up of
hydrocarbon based products and other vehicle based contaminants which may be
carcinogenic or toxic. It is essential that Occupational Safety and Health guidelines are
followed at all times, and that the following steps are carried out to ensure safe and
successful maintenance operations.
In additional to the hazards associated with the cleaning handling of material in the filter
bags, there also hazards associated with traffic at the work site, the removal of the grate,
pedestrians and other non-worker personnel, and general work place hazards associated
with working outdoors.
This section is not intended to address all the safety issues associated with Enviropod
maintenance, providing only information and suggestions on safety aspects associated
with the maintenance procedures. A separate safety plan should be prepared for each
project address the specific requirements of the project.
The procedures indicated in the Operations section of this manual are recommend
as the safest and most efficient manner in conducting the maintenance of
Enviropod Units (Section 3), however contractors and cleaning staff may vary the
procedure in response to the site conditions, varying work practices or general
preferences in the cleaning techniques. Please note that procedures outlined is this
manual are not exhaustive, and that any changes should still comply with general
safe work practices.
2.1 Personnel Health and Safety
All contractors and staff shall comply with all current Health and Safety Legislation and
take all practicable steps to:
Comply with all applicable laws, regulations and standards.
Ensure that all employees, contractors and visitors are informed of and understand
their obligations in respect of current Health and Safety Legislation.
Ensure that employees understand and accept their responsibility to practice and
promote a safe and healthy work environment.
All relevant precautions must be taken to prevent contact with sediment and litter when
maintaining filters. The following personal protective equipment (PPE) safety equipment
should be worn:
Puncture resistant gloves.
Steel capped safety boots.
Fluorescent safety vest.
Overalls or similar skin protection.
Safety apron. (if necessary)*
Eye protection. (if necessary)*
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*Higher personal safety conditions may be required when maintaining units that may contain more hazardous material, for example pits where syringes have be observed or pits located in areas associated with such activities. 2.2 Traffic Control All stormwater collection pits are typically situated either in/on roads and car parks or adjacent to roads in the footpath or swales. Traffic control requirements at each of these locations is typically the same, with most of the state and local road authorities requiring the same controls implemented whether the work is to be conducted on the road or on the road reserve. As traffic requirements vary based on the road usage and the specific road configuration, traffic control plans should be prepared for each site. Given that maintenance is typically a quick process, the contractor should liaise with the relevant road authority to determine the specific road safety requirements for each location to ensure that on site workers can conduct the cleaning operations safely and efficiently, while complying with all laws and regulations. NSW RTA working on roads safety manual indicates the signage requirements, placement of barricades or witches hats and the positioning of traffic control personnel. In addition to standard safety requirements IES recommends that the maintenance vehicle be used to increase safety, through shielding the work area from on coming traffic. Plate 1 indicates the vehicle placed to shield the work area with cones placed around the vehicle. Plate 2 indicates at head on view, note the vehicle is positioned to allow access to the drive, whilst still blocking the pit from on-coming traffic. The vehicle has a flashing light on the roof and the hazard lights switched on. Plate 1 Vehicle positioned near pit, preventing traffic from passing close to the pit.
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Plate 1 Head-on view, indicating the placement of the vehicle near the pit. 2.3 Confined Spaces Confined spaces poses a serious safety hazard for all personal, however during the normal maintenance procedures there should be no reason to enter a confined space. All maintenance procedures are able to be conducted from the surface. Confined space entry procedures are not included as part of this manual, for IES employees confined space entry procedures are included as part of the IES Safety Manual. It is recommend that all contractors evaluate there own needs for confined space entry and compliance with Occupation Health and Safety regulations. When repairs or maintenance activities cannot be conducted from the surface, the contractor/cleaner should evaluate the need to enter the confined space, considering all alternative options. Where there is a need to proceed in a confined space, only staff with current confined space training shall operate in a confined space. Appropriate measures and controls shall be put in place to meet confined space entry requirements. Safety equipment must be worn where deemed necessary and where gas or oxygen hazard occurs, staff trained in its use will only use BA gear. Non-trained staff must not go into confined spaces.
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3 Operations
This section details the specific activities required to clean the Enviropod units. Please
note it has been written for use by someone who has never encountered a stormwater pit
or an Enviropod unit, providing a step by step process for each of the cleaning stages.
3.1 Maintenance & Monitoring of Enviropod filters
The maintenance frequency is dependant on several variables, such as catchment area,
surrounding land use, vegetation type, traffic loading and rainfall patterns. IES
recommends that during the first year of operation the units should be monitored monthly,
with maintenance as required.
The ensure that the unit performs optimally, the material collected by the filter bag should
be emptied when the level of material is no more than approximately half to two thirds of
the total bag depth or when there is evidence of material overflow. Although the bag has
greater storage area, it is recommended that it is not left to fill completely prior to empting,
for the following reasons; the bags are capable of retaining a heavy mass of material (in
excess of 50kg); material near the top of the bag can be resuspended during high to
extreme rainfall events; and blockage of the overflow sections can occur, when material is
allowed to build up above the filter bag.
Maintenance frequency should be adjusted to accommodate variable rainfall patterns.
Regions east of the Great Dividing Range typically are dominated by greater rainfall during
summer and Autumn Months, as such more maintenance is typically required during these
periods. It is recommended that biannual inspections be carried out in November and
April, while quarterly inspections should be conducted in February, April, July and
November.
It is also recommended that additional monitoring should be conducted following moderate
to extreme rainfall events, in particular, when preceding months have had little to no
rainfall. This monitoring is considered necessary to accommodate for higher volumes of
runoff generated during major rainfall events, an anticipated greater accumulation of
surface contamination during low rainfall periods and to ensure that the units have not
been damaged due to high pipe velocities.
Attached in Appendix A & B is an example of an Enviropod Service Receipt and Generic
Monitoring Form which is to be completed by the Cleaning Contractor when servicing any
Filters. Relevant information is recorded and forwarded to the client following each
maintenance clean.
Table 1: FREQUENCY OF MAINTENANCE ACTIVITY
INSPECTION/MINOR MAJOR
MAINTENANCE (TIMES/YEAR) MAINTENANCE
(TIMES/YEAR)
Enviropod 12 (and after major storms) 2-6 (except in case of a
spill)
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3.2 Stormwater Pit Cover Removal
There are several different types of stormwater pit covers used throughout Australia.
These grates/lids are constructed of three main materials, cast iron, galvanised steel and
concrete. Stormwater pits covers will either be hinged (lockable) or simply placed on a
recessed frame, with cover which are not hinged are typically heavy, to prevent the grate
being easily knocked open by passing traffic. Each different pit cover requires different
techniques to safely remove the cover to gain access to the Enviropod Unit.
Plate 2 Hinged galvanised steel pit
Plate 3 Heavy duty hinged galvanised
grate
steel pit grate
Plate 4 Hinged cast iron grate Plate 5 Non-hinged heavy duty
galvanised steel pit grate
Plate 6 Non-hinged cast iron grate
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3.2.1 Hinged Pit Grates
Hinged pit grates are typically either light duty galvanised steel, heavy duty galvanised
steel or two-piece cast iron. Generally hinged pit grates can be opened by one person,
however heavy duty galvanised lids and cast iron lids may require two people. If you are
unclear about the type of grate, always use two people.
To open a hinged pit grate follow the following steps:
1. Insert the lifting hooks beneath the grate. (Position indicated in Plate 7)
2. Check hinge point is not damaged and debris is not caught in the hinge area.
3. Note many cast iron hinges are not hinged securely (to enable the removal of the
grate). This may result in the pit grate not being able to sit in an open position.
Additionally the hinge pins may also be damaged or corroded, which may allow for
the pit grate to fall into pit. Such pit grates can be removed using the method
indicated below for non-hinged grates.
4. Fully open pit grate, ensuring that the grate will stay in the open position without
any external forces applied. Grates which do not remain open without being held
should be removed or secured during cleaning or maintenance activities. Plate 8
and Plate 9 indicate the grate being opened and grate resting freely in the open
position, respectively.
Plate 7 Lifting the grate Plate 8 Opening Grate
Plate 9 Fully open grate Plate 10 Lowing grate
To close a open hinged grate
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1. Place lifting hooks through grate. (same position to remove grate)
2. Gently lower grate into position. (Plate 10)
3. Note some grates have offset hinges points that prevent the grate from falling over,
such pits require the hinged side of the grate to be lifted while the grate is lowered
into position. (insert picture)
3.2.2 Non-Hinged Pit Grates
Non hinged pits are typically constructed of cast iron, concrete or heavy duty galvanised
steel. As such the pit grates are generally heavy and difficult to remove, generally requiring
two people to safely remove the lids.
To remove a non-hinged pit grate:
1. Place lifting hooks beneath grate, where possible in the four corners of the grate
(Plate 11). Concrete lids may have Gatic lifting points, a key arrangement or holes
in the lid, as such special equipment, such as Gatic lifters may be required.
2. Position each person either side of the grate. (Plate 12)
3. Lift the grate, ensuring that good heavy lifting posture is used at all times.
4. Place the grate on an angle on the gutter, to allow for the lifting hooks to be
removed. (Plate 13)
5. For extremely heavy one piece grates and concrete Gatic covers, insert the lifters
in place and slide the lids back. Note some lids may still require two people.
(Picture required)
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Plate 11 Insert hook near edge of Plate 12 Position each lifter either side
grate of the grate
Plate 13 Lift grate and move grate to Plate 14 Lift grate above the support
one side frame
Plate 15 Reinstated non hinged grate
To reinstate a non-hinged pit grate
1. Place lifting hooks though the grate. Note do not place hooks at the very edge of
the grate, as this will make it difficult to place grate on the support.
2. Lift the grate into position and lower onto the supporting frame (Plate 14), ensuring
that the grate sits level with the finished surface. If the grate does not sit securely
remove the pit cover and check for debris in the pit cover frame, then try to lower
grate again.
3. Check final position of the cover, ensuring that the cover sits flush with the surface
and does not create a trip or traffic hazard. (Plate 15)
Note all grates should be reinstated to the original condition.
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Care should be taken with old or damaged pit covers and grates. Grates or covers
observed to be in poor condition should be first inspected to determine whether further
damage will occur if an attempt to remove the grate is made. Pits grates which appear to
be severely damaged or appear as though they would break while being removed should
not be removed. Contact the client (and pit owner if not the client) and IES (IES Sydney
office number is 02 9907 1401) to discuss an appropriate action. Pit grates and covers
damaged by the contractor will be repaired at the cost of the contractor, or as part of an
arrangement with the pit owner.
3.2.3 Pits unable to be opened
Pits may be unable to be opened for several reasons, including through corrosion, new
road surfaces covering the pit lid, and foreign material jammed in the lid. The following
steps may assist in opening the pits:
Chip away new road coverings or concrete/bitumen spills using a pinch bar or
similar device. Care must be taken not to damage road surfaces.
Corroded or jammed pits may be loosened from the grate frame by using a
lubricant such as RP7 and tapping the grate frame and grate. Note if the grate or
grate frame appears severely corroded, the grate should not be opened and
IES and the client should be contacted to discuss options.
Pits which cannot be opened may require a hydraulic lifting arm to fully remove the
lid.
3.3 Cleaning Methods
One of the following methods of maintenance should be used for the servicing of these
Enviropod Filters:
Cleaning using Inductor Truck.
Hand Maintenance.
One of the advantages of the Enviropod units is that it doesn’t require specialised
equipment for maintenance. In certain situations it may be more feasible to maintain the
units using the inductor truck method, while for other projects hand maintenance may be
the preferred option. The cleaning method for the Enviropod units should be evaluated
specifically for each project.
3.3.1 Cleaning using Inductor Truck
The following steps indicate a safe and efficient method to clean the Enviropod using an
Inductor:
1. Open gully pit. (See Section 3.2)
2. Place the inductor hose over the material collected in the filter bag and switch on
the inductor.
3. Using the inductor hose suck all of the sediment, organic leaf material, litter etc,
collected in the filter bag
4. Allow the filter bag to be sucked up into the inductor hose for a few seconds to
allow for the filter mesh pores to be cleaned. Care is to be taken by the operator
not to damage the filter, ie ensure that there are no sharp edges on the inductor
hose.
5. If material has build up around the overflows, use the inductor hose to clear the
accumulated material.
6. Remove filter bag from the pit.
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7. Sediment retained in the gully pit grate is to be removed.
8. Back opening channels are to be cleared of any debris to ensure flow is not
hindered. Debris can be collected using the inductor truck.
9. All gully pit waste is to be removed from the pit.
10. Check the Enviropod unit. (See Section 3.4)
11. Check filter bag. (See Section 3.5)
12. Reinstate filter bag and gully pit lids.
Plate 16 Cleaning an Enviropod using the inductor method
Gully pit sediments under no circumstances are to be backwashed into the gully pit.
3.3.2 Hand Maintenance
Two people are generally preferred to maintain the units by hand. However for shallow
units and units which contain mainly leaf material (low overall accumulated weight), may
be cleaned by one person. Note additional personnel may be required for traffic
management purposes or for general safety.
The following steps indicate a safe and efficient method to clean the Enviropod manually
by hand:
1. Open gully pit. (See Section 3.2)
2. Place the lifting hooks in the lifting loops of the filter bag. (See Plate 17)
3. For extremely heavy and overfilled bags either use a hydraulic lifting arm to lift the
bag, or remove excess material using a shovel or similar piece of equipment. IES
prefers the use of a post hole shovel, due to the reduced strain on the back when
digging and the ability of the shovel to grab material vertically. (Insert Picture)
4. Lift the bag vertically off the supporting frame, ensuring that no undue pressure is
placed on the filter bag. (See Plate 18)
5. Lift the bag clear of the stormwater pit. (See Plate 19)
6. Position the bag over the truck or other collection vehicle, taking hold of the loops
at the base of the bag. (See Plate 20 and Plate 21)
7. Lift and empty the filter bag by holding the bottom lifting loops only. (See Plate 22)
8. Completely empty the filter bag. (See Plate 23)
9. Brush the filter bag with a stiff brush to remove bound sediment from the filter
pores. (See Plate 24)
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10. Check the filter bag. (See Section 3.5)
11. Check the Enviropod unit. (See Section 3.4)
12. Reinstate filter bag, enuring bag is installed the correct way. (See Plate 25 and
Plate 26)
13. Reinstate gully pit lids. (See Plate 27 and Plate 28)
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Plate 17 Place the lifting hooks Plate 18 Lift the bag from the cage and
through the bag loops support frame
Plate 19 Lift the bag from the Plate 20 Lift the bag onto the
stormwater pit collection vehicle
Plate 21 Grab the bottom lifting loops Plate 22 Lifting the bottom bag loops
empty the filter bag
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Plate 23 Completely empty the Plate 24 Brush the pores filter bag
contents of the filter bag with a stiff brush
Plate 25 Reinstall filter bag Plate 26 Ensure that the unit is
positioned correctly, with the lifting
loops on the inside
Plate 27 Correctly installed filter bag Plate 28 Installed filter bag and sealed
pit
3.4 Unit Inspection
After the Enviropod filter bag is removed, emptied and cleaned, the following should be
checked to ensure that the unit has not been damaged:
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All connections and joints should be checked and broken rivets replaced (See
Plate 29);
The plastic pit seals should be inspected for unit movement or damage (See Plate
30); and
The cage should be inspected for damage or movement (See Plate 31).
The overflow diversion channels, and the area between the Enviropod cage and pit wall
should also be inspected for the accumulation of debris. Any observed debris should be
removed and disposed of off-site. Accumulated material within the outlet pipe may need to
be flushed.
Note: If the units are not cleaned regularly the mobilisation of material collected in the
Enviropod unit may occur, as such cleaning of the units in accordance with this
management plan is required. As this plan is based on observations and data collected
during the monitoring period, ongoing adjustment of the cleaning frequency is generally
required to improve the overall efficiency in the removal of collected material and prevent
material overflow.
Plate 29 Check seals are pushed Plate 30 Check joining rivets (two
against the pit walls piece unit shown above)
3.5 Filter Bag Inspection and Rejuvenation
Following the emptying and cleaning of the filter bags, the filter bag should be inspected to
evaluate the bag condition. Given the nature of stormwater the filter bag from some
Enviropod units can become considerably clogged with fine sediment. Filters can also be
damaged by various objects in stormwater as well as fauna. Sharp objects such as sticks
combined with high velocity water and a large mass in the filter bag can cause small tears
in the filter material. Animals such as rats have also been known to chew through fine
mesh filter bags located in gully pits near takeaway food outlets.
3.5.1 Clogged Filters
Clogged filter bags can be clean using several different methods. If the bag cleaning
techniques described in the general maintenance sections above are not able to clean the
filter bags the following options should be considered:
Using a stiff brush and a bucket of soapy water scrub the filter bag surface.
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Remove filter bags from the pit and wash the bags using a high pressure water
spray. Care has to be taken to not transfer the contamination elsewhere. Waste
water from the process should be collected of and disposed of correctly.
Remove the filter bags from the pits and the support rings and wash the bags in an
industrial washing machine.
The final option presented above typically results in the bags appearing like new, with no
visible stain or pore clogging within the filter mesh.
Plate 31 Slightly clogged filter bag, Plate 32 A clean used filter bag
indicated by the brown stain on in the
centre of the bag
3.5.2 Damaged Filters
Damaged filters can often be repaired, provided the damage is small. Small tears in the
fabric may occur do to several reasons, however the overall strength & structure of the
nylon fabric typically prevents small tears becoming much large. Although the bag is
unlikely to tear further care must be used when clean torn bags as not to spill the collected
material into the pit.
Small tears may repaired by either sewing the tear back together, with additional fabric to
increase the strength of the stitching, or by sewing a patch of the filter material onto the
filter bag. The filter bags may need to be replaced if large tears are present, as the filter
bag is no longer able to function as intended.
IES is able to repair bags or replace bags which have been damaged during maintenance.
Please contact IES Sydney office on 02 9907 1401 for details or a quote.
3.6 Disposal of Material
All gully pit wastes from the site are to be taken off site and disposed of at a transfer
station or similar approved disposal site. Stormwater Sediments can contain Lead,
Copper, Zinc, Mercury, hydrocarbons and PCBs, which are harmful to both humans and
the receiving environment. Appropriate sampling and laboratory analysis may be required
to classify the material as suitable for reuse, or disposal under appropriate local guidelines.
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4 Emergency Procedures 4.1 Spill Procedures In the event of a spill discharging into any gully pit all sediment is to be extracted and the filter bags are to be removed and replaced with rejuvenated filter bags. Normal operation procedures apply to additional cleaning as a result of spills. 4.2 Blockages In the unlikely event of surface flooding around a gully pit fitted with an Enviropod the following steps should be carried out: Check Enviropod over flow bypass. The Enviropod filter has been designed with an overflow mechanism built into the filter box. If surface flooding still exists check the overflow slots underneath the rubber seal. If debris is lodged in the overflow slots these can be easily cleared by hand or steel rod. If overflow is clear and surface flooding still exists remove Enviropod and check outlet pipe for blockages. Removal of the Enviropod may be difficult if the filter is clogged and the Enviropod is holding water. If the filter is clogged, brush the side walls of the filter with a yard broom or similar. This will dislodge particles trapped at the interface allowing contained water to flow through the filter. If the outlet pipe is blocked, it is likely that a gully sucker truck will be required to unblock it. Debris should be removed from the Enviropod with the gully sucker truck before removal of the Enviropod filter. If a gully sucker truck is not available and the Enviropod needs to be removed by hand, follow the steps below: Remove excess debris by hand or brush the side of the filter. Lift and place filter ring through the filter box and into cage. Remove Filter box. Lift cage containing filter bag and ring out of the pit. Unblock outlet pipe.
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Appendix A Service Receipt Example [OCR of page images] Appendix A Service Receipt Example
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Enviropod Service Receipt
Site: Job Number:
Contractor: Receipt Number:
Location: Week Serviced:
Year:
Service Frequency:
Enviropods on Site:
Enviropods Cleaned:
Bags Checked: If Damaged, Action:
Frames and Seals Checked: If Damaged, Action:
Overflows Checked If Blocked, Cleaned:
Tonnage:
Comments
This service has been performed in accordance with Enviropod Management Plan
(EMP) for above site. Please file this receipt with EMP and keep on site for
compliance inspections.
Signature:
Position:
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Appendix B Maintenance Form Example [OCR of page images] Appendix B Maintenance Form Example
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Enviropod Maintenance Form Client: Bag: NOTE: See maps for detailed location. Project: Date:
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ENG
Engineering Report & Stormwater Management Plan
Date: 22/09/2016 Document No.: 16144-ENG-01.Docx
By: MRS Revision No.: A
Appendix G – Development Codes
A PO Box 26, Carina Q 4152 22 | P a g e
E [email protected]
W www.vtce.com.au
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1 Memorial Avenue Tewantin, QLD 4565
Driveway and Carparking Code
Driveway and Carparking Code
Driveways and Carparking Code
Specific Outcome Acceptable Solutions/Probable Solutions Compliance
14.113 General
O1 Vehicular access does not adversely impact on S1.1 Vehicular access is located and designed Vehicular access will be located and designed
safety, capacity and operations of the existing or in accordance with AUSTROADS-Guide to in accordance with AUSTROADS-Guide to
planned road network, the proposed driveway, Traffic Engineering Practice requirements for Traffic Engineering Practice requirements for
cycleways or pedestrian pathway systems. sight distance and Section 3 of AS2890.1 sight distance and Section 3 of AS2890.1
Parking Facilities; AND Parking Facilities.
S1.2 Only one footpath crossing is Only one footpath crossing will be provided in
provided22; AND each of Doonella, Pelican Street and
Memorial Avenue (existing) This compares
with the total of four existing driveways.
S1.3 Driveways, other than within any Driveway grade will be in accordance with
setback have a maximum grade in Section 3 of AS/NZS 2890.1.
accordance with Section 3 of AS/NZS 2890.1
O2 Driveways and crossovers— S2.1 Design of the driveway across the Driveway across the footpath design will be in
a) are suitable and safe for their intended use; and footpath is in accordance with Council’s accordance with Council’s Standard Drawings
b) match Council infrastructure. Standard Drawings 9002 or 9005 as 9002 or 9005 as appropriate for the particular
appropriate for the particular type of type of development as annotated on the
development as annotated on the drawings; drawings.
AND
S2.2 Driveways are designed and constructed Driveways will be designed and constructed
in accordance with Council Standard in accordance with Council Standard
Drawings 9014, 9019, 9020, 9021, as Drawings 9014, 9019, 9020, 9021, as
appropriate for the particular type of appropriate for the particular type of
development as annotated on the drawings; development as annotated on the drawings.
AND
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