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                                                         36 Roses Road, Federal

                       OPERATIONAL WORKS REPORT
                       - Access Driveway and Waterway
                                             Crossing




                                                                 Client: Mick Jones

 Callaghan & Toth Pty Ltd
 Consulting Civil,
 Environmental & Hydraulic
 Engineers
 ABN No. 45140292324
 8/41 Sunshine Beach Road
 Noosa Junction QLD 4567
 Telephone (07) 54749081

 Job No.: 2319
 Document No.: 2319_OpW
 Date: 29th April 2025




Operational Works Application – Supporting Information                    April 2025
36 Roses Road, Federal                                                             1
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Contents
1.0       INTRODUCTION................................................................................................................ 3
   1.1        Development application details ............................................................................................. 3
   1.2        Planning instrument details ..................................................................................................... 3
   1.3        Referral agencies ..................................................................................................................... 4
2.0       SITE DETAILS .................................................................................................................... 5
   2.1        Site description ....................................................................................................................... 5
   2.2        Surrounding land uses ............................................................................................................. 5
3.0       PROPOSED DEVELOPMENT DETAILS ................................................................................. 7
4.0       PLANNING ASSESSMENT .................................................................................................. 8
   4.1    Pre-lodgement ........................................................................................................................ 8
   4.2 Noosa Plan 2020 ........................................................................................................................... 8
     4.2.1     Driveways and Parking Code ..................................................................................................... 9
     4.2.2     Earthworks Code ..................................................................................................................... 10
     4.2.3     Water Quality and Drainage Code ........................................................................................... 13
     4.2.4     Biodiversity, Waterways and Wetlands Overlay Code ............................................................ 18
5.0       STATE ASSESSMENT AND OTHER MATTERS .................................................................... 27
   5.1    Waterway Barrier Works ....................................................................................................... 27
     5.1.1   Justification for Waterway Barrier Works ............................................................................... 27
     5.1.2   Alternatives considered ........................................................................................................... 27
     5.1.3   Design Details .......................................................................................................................... 27
     5.1.4   Hydraulics and Flooding .......................................................................................................... 28
     5.1.5   Erosion and Sediment Control Requirements ......................................................................... 28
   5.2    Works in a State Transport Corridor ....................................................................................... 28
     5.2.1   Justification for Works in a State Transport Corridor .............................................................. 28
     5.2.2   Alternatives Considered .......................................................................................................... 28
6.0       CONCLUSION ................................................................................................................. 30
   Appendix A – Noosa Council In Principle Support .............................................................................. 31
   Appendix B – TMR RFI Response ....................................................................................................... 32
   Appendix C – Flora and Fauna Report................................................................................................ 33
   Appendix D - SDAP 1 Responses ........................................................................................................ 34
   Appendix E – SDAP 18 Responses ...................................................................................................... 35

Figures and Tables
Figure 1:         Site Location ........................................................................................................................ 6
Figure 2:         Biodiversity Overlay Code Map – Noosa Plan ...................................................................... 18
Table 1:          Site description .................................................................................................................... 5
Table 2:          Surrounding land uses ......................................................................................................... 5
Table 3:          Summary of development aspects........................................................................................ 7
Table 4:          Summary of key issues ......................................................................................................... 8
Table 5:          Response to Table 9.4.1.3 - Driveways .................................................................................. 9
Table 6:          Response to Table 9.4.2.3 - Earthworks .............................................................................. 10
Table 7:          Response to Table 9.4.8.3 – Stormwater drainage design .................................................... 13
Table 8:          Response to Table 9.4.8.3 – Hydrology and Waterway Stability........................................... 15
Table 9:          Responses to Table 8.2.2.3 – Biodiversity Overlay Code ...................................................... 19
Table 10:         Culvert Design Features ..................................................................................................... 27




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1.0 INTRODUCTION

1.1 Development application details
   Proposed development:                                 To construct an access driveway through the road reserve of
                                                         Roses Road, from the Old Bruce Highway to Lot 2 RP95476.
                                                         The driveway will include a culvert crossing of Skyring Creek.
   Type of approval sought:                              Development Permit for Operational Works
   Site address:                                         36 Roses Road, Federal, QLD 4568

   Real property description:                            Lot 2 RP95476
   Site area:                                            41.852 hectares
   Assessment manager:                                   Noosa Council
   Owner details:                                        Mick Jones
   Applicant details:                                    Mick Jones
                                                         14 Sankeys Road
                                                         Federal QLD 4568

1.2 Planning instrument details
 Regional plan:                                          SEQ Regional Plan 2017
 Designation:                                            Regional Landscape and Rural Production Area
 Planning scheme:                                        Noosa Plan 2020
 Applicable preliminary                                  N/A
 approval:
 Zone:                                                   Rural
 Strategic Framework Maps:                               Agricultural Land Conservation Area (Map 2)
                                                         Connecting Habitat Area (Map 4)
 Local plan:                                             N/A
 Level of assessment:                                    Code
 Applicable overlays:                                    Agricultural Land Conservation Area Overlay
                                                         Biodiversity, Waterways and Wetlands Overlay – MSES
                                                         Environmental Values, Area of Biodiversity Significance,
                                                         Riparian Buffer, Waterways, MSES – Regulated veg
                                                         Intersecting a waterway and Category R
 Applicable codes:                                       Driveways and Parking Code
                                                         Earthworks Code
                                                         Water Quality and Drainage Code
                                                         Waterway Works Code




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1.3 Referral agencies
 Referral requirement                                    Referral agency and role
 Schedule 10, Part 6, Division 4 Waterway                Department of Primary Industries - Concurrence
 Barrier Works                                           Via Department of State Development,
                                                         Infrastructure, and Planning
 Schedule 10, Part 9 Division 4 Subdivision 2 –          Department of Transport and Main Roads -
 State transport corridors and future State              Concurrence
 transport corridors                                     Via Department of State Development,
                                                         Infrastructure, and Planning




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2.0 SITE DETAILS
2.1 Site description
Table 1:               Site description
 Site                                                                 Description
 characteristic

 Existing land use                  Vacant Rural lot.
                                    Pasture grasses with patches of native vegetation, mostly along gullies and
                                    ephemeral waterways.

 Existing structures                No structures on Lot 2 RP95476

 Frontage and                       Frontage is to the road reserve of Roses Road.
 access

 Topography and                     The lot is undulating with some steep slopes. Elevations range from 83m
 views                              AHD at Skyring Creek, up to approximately 190m at the highest point on the
                                    northern boundary of the lot.

 Existing vegetation                The site is mostly cleared, with pasture grasses on site for grazing cattle.
                                    Some limited native trees on site, on steeper sections of the lot or along
                                    gullies and ephemeral waterways.

 Existing waterways                 The lots southern boundary is with Skyring Creek, which flows to the Mary
                                    River 11ikm downstream of the proposed crossing.


2.2 Surrounding land uses
Table 2:               Surrounding land uses
 Surrounding land uses

    North          Rural Lot

    South          Skyring Creek, Roses Road road reserve and Old Bruce Highway road reserve

     East          Rural lot

    West           Rural lots




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Figure 1:              Site Location
Source: QLD Globe




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3.0 PROPOSED DEVELOPMENT DETAILS
The owner of Lot 2 RP 95476, 36 Roses Road Federal, wants to construct a driveway access to
this lot, generally in the location of previous access driveways.

The waterway crossing is also a historical crossing point, and the proposed culvert is positioned in
the location of previous crossings.

The design of the works includes:
   • Access Driveway to IPWEA Std Dwg RS056 – Rural Driveway
   • Driveway crossover to IPWEA Std Dwg RS-056 – Rural Driveway crossover
   • Reinforced concrete box culvert (RCBC) crossing with link slab in central cell To TMR Std
      Dwgs SD1250, SD1260 and SD1270

Table 3:               Summary of development aspects

 Operational work


 Operational work                                           •   Construct access driveway in Roses Road road
                                                                reserve
                                                            •   Construct driveway crossover to Old Bruce
                                                                Highway
                                                            •   Construct culvert crossing on Skyring Creek.

 Value of proposed work                                  Approximately $300,000.00




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4.0 PLANNING ASSESSMENT
4.1           Pre-lodgement
The owner of Lot 2 has undertaken preliminary discussions with both Council and the Department
of Transport and Main Roads. These were not pre-lodgement meetings, however correspondence
from these discussions is attached in Appendix A and B, and summarised in Table 4 below.

Table 4:               Summary of key issues
 Issue                                                   Statutory Agency response       Applicant response
 Crossover Design                                        TMR detailed that the new       The crossover has been
                                                         connection between Roses        designed to Rural driveway
                                                         Road and the Old Bruce          standard to Std Dwg RS-056.
                                                         Highway would need to be
                                                         constructed to public
                                                         intersection standard
 Koala Fencing                                           TMR raised concern, that        Koala fencing alongside new
                                                         crossover to be designed to     driveway for a 50m return to
                                                         ensure koalas are               discourage koalas crossing Old
                                                         discouraged from entering the   Bruce Highway.
                                                         road reserve. TMR detailed
                                                         that the Koala Fence may
                                                         need to be modified


4.2 Noosa Plan 2020
The proposed works are assessable development under the Noosa Plan. Relevant codes that the
works will be assessed against include:

     •     Driveways and Parking Code
     •     Earthworks Code
     •     Water Quality and Drainage Code
     •     Biodiversity, Waterways and Wetlands Overlay Code

See assessment responses below.




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4.2.1 Driveways and Parking Code
The works generally comply with this code, as detailed in Table 5 below.
Table 5:               Response to Table 9.4.1.3 - Driveways
Performance outcomes                                     Acceptable Outcomes                            RESPONSE – Driveways
                                                                                                        Code

Assessable development
Driveways
PO1                                                      AO1.1                                     Complies with PO1
Vehicular access does not adversely                      Vehicular access is located and designed
impact on safety, capacity and                           in accordance with the current Australian The driveway is designed to a Rural
operations of the existing or planned                    Standards for Parking Facilities.         driveway standard.
road network, cycleways or pedestrian
pathway systems                                          AO1.2
                                                         Only one footpath crossing is provided.

                                                         Editor’s Note— Justification for additional
                                                         driveways may need to be supported by a
                                                         detailed Traffic Study.

                                                         AO1.3
                                                         Driveways, have a maximum grade in
                                                         accordance with Council’s standard
                                                         requirements.
PO2                                                      AO2.1                                          Complies with PO2
Driveways and crossovers                                 Design and construction of driveways,
                                                         including across the footpath, is in           The driveway is designed to a Rural
  1.    are suitable and safe for their                  accordance with Council Standard               driveway standard and crossover to
        intended use; and                                Drawings as appropriate for the particular     Old Bruce Highway (Cooroy-Gympie
                                                         type of development as annotated on the        Road) is to TMR std dwg RS056
  2.    match Council infrastructure.
                                                         drawings.
                                                         AO2.2
                                                         The change of grades in driveways and
                                                         ramps is in accordance with Council’s
                                                         Standard Drawings.
PO3                                                      AO3.1                                          Complies with PO3
The number of driveways across                           Design of multi-tenanted developments
pedestrian footpaths is minimised.                       include shared driveways and parking           Only one driveway proposed, and
                                                         areas.                                         there are no pedestrian footpaths in
                                                         AO3.2                                          this locality
                                                         Driveways are located so they abut
                                                         existing driveways of adjoining
                                                         development where practicable and
                                                         reciprocal easements are created to
                                                         reduce the sealed driveway width.
PO4                                                      AO4                                            Complies with PO4
Vehicular access does not adversely                      Footpath and kerb crossings are located
impact on the capacity, operations and                   clear of existing stormwater inlet             The driveway is designed to a Rural
maintenance of the existing                              structures, water and sewerage                 driveway standard and crossover to
infrastructure.                                          infrastructure fittings, any other exiting     Old Bruce Highway (Cooroy-Gympie
                                                         utility infrastructure, existing landscaping   Road) is to TMR std dwg RS056;
                                                         and vegetation.                                and will not impact the existing
                                                                                                        infrastructure.
PO5                                                      AO5                                         Complies with PO5
Vehicular access does not adversely                      Vehicular access avoids disturbance to
impact on the health and integrity of                    the tree protection zone of trees on public The proposed works requires very
existing landscaping or                                  land.                                       limited clearing to construct the
native vegetation, where possible.                                                                   driveway access to Lot 2.




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4.2.2 Earthworks Code
The works generally comply with the Earthworks code, as detailed below in Table 6.

Table 6:               Response to Table 9.4.2.3 - Earthworks

Performance outcomes                                 Acceptable Outcomes                    RESPONSE - Earthworks
                                                                                            Code

Assessable Development
Effects of works
Drainage                                             AO1                                    Complies with PO1
PO1                                                  Filled or excavated areas have a
                                                                                            The driveway design ensures that
Finished surface levels ensure                       minimum gradient of 0.5% and drain
                                                                                            the site is free draining and drains
land is free draining.                               to Council’s stormwater infrastructure
                                                                                            to Skyring Creek as per current
                                                     where available, or where
                                                                                            flow paths on site.
                                                     stormwater infrastructure is not
                                                     available, toward the street.
Hydraulics
                                                                                            Complies with PO2
PO2
Change to the levels on site do                      No acceptable outcome provided         The proposed driveway and
not have an adverse impact on                                                               associated drainage works e.g.
the flooding and drainage                                                                   table drains, culverts under
characteristics off-site.                                                                   driveway, do not change existing
                                                                                            flooding or drainage characteristics
                                                                                            on the site and adjacent areas.
Geotechnical considerations                          AO3.1
                                                                                           Complies with PO3
PO3                                                  Filling works are undertaken in
Earthworks do not result in                          accordance with Council’s Planning
geotechnical instability on-site or                  Scheme Policy PSP6 Engineering
                                                                                           The works are not adjacent to
to nearby premises.                                  design standards - roads, drainage
                                                                                           dwellings or buildings
                                                     and earthworks.
                                                     AO3.2
                                                     Where the filling is for residential,
                                                     commercial or industrial purposes
                                                     the works comply with Australian
                                                     Standard - Guidelines for earthworks
                                                     on commercial & residential
                                                     development.
Local amenity                                        AO4.1
                                                                                            Complies with PO4
PO4                                                  The following control measures are
Undertaking earthworks does not                      implemented—
adversely impact on the amenity                      regular water spraying of exposed      The works will not cause any major
of the local area by way of dust,                    areas to suppress dust;                impact to dust or noise. The works
noise or visual amenity.                              1. provision of dust stabilised or    are expected to take 4 months and
                                                          sealed internal roads;            will be managed to reduce dust
                                                      2. protective covering of exposed and noise emissions.
                                                          areas that are left for more than
                                                          2 weeks; and
                                                      3. unless a development permit
                                                          provides otherwise, disturbed
                                                          areas are revegetated using
                                                          species identified in Council's
                                                          Planning Scheme Policy PSP2
                                                          Landscaping.
                                                     AO4.2
                                                     Earthworks are undertaken only




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Performance outcomes                                 Acceptable Outcomes                      RESPONSE - Earthworks
                                                                                              Code
                                                     during the hours of 7:00am to
                                                     6:00pm, Monday to Friday and
                                                     7:00am to 3:00pm on Saturday. No
                                                     work is undertaken on Sunday or
                                                     public holidays.
Vegetative waste                                     AO5.1
                                                                                            Complies with PO5
PO5                                                  Cleared vegetation is transported off-
Vegetation cleared from a                            site for disposal in an approved
development site is disposed of in                   green waste disposal facility.         There is very limited vegetation
an environmentally responsible                       AO5.2                                  clearing required for works.
manner.                                              Cleared vegetation is mulched on-      Vegetation to be cleared will be
                                                     site and reused for landscaping of     mulched and used to stabilised
                                                     the finished development.              disturbed areas or disposed of
                                                     AO5.3                                  appropriately off-site.
                                                     Cleared vegetation is disposed of for
                                                     the purpose of firewood.
                                                     AO5.4
                                                     Disposal of vegetative waste by
                                                     burning off is avoided.
Managing contamination risk
                                                                                              Complies with PO6
PO6                                                  AO6.1
Materials used as fill are suitable                  Fill material is solid clean earth, free
for development and future use of                    of putrescible or refuse                 The works will utilise the on-site
the land and filling or excavation                   material, vegetation, acid sulfate       material, and any imported fill will
works do not result in the                           soils, building or construction          be clean from contaminants.
contamination of land.                               material or other material or
                                                     contaminants.
                                                     AO6.2
                                                     The site is not on the contaminated
                                                     land register.
Haulage activity and amenity
                                                                                              Complies with PO7
PO7                                                  No acceptable outcome provided
Haulage of material to and from
a site ensures—                                                                               The works will only require minor
                                                                                              haulage as the proposed works will
  1.    minimal disturbance to                                                                involve:
        neighbouring properties and                                                               • Delivery of machinery,
        properties along the haulage                                                                   materials e.g. culverts,
        route; and                                                                                • Concrete trucks for slab
  2.    Council’s road infrastructure                                                                  and crossing works, and
        including pavements is not                                                                • Some fill / gravel.
        adversely affected.
Extent of earthworks               AO8
                                                                          Complies with PO8
PO8                                All earthworks, including cut and fill
The layout of the development      batters, retaining walls and the like
provides adequate, clearly defined are contained within the subject site. The proposed driveway is
and easily accessible—                                                    proposed along an existing
                                                                          informal access track to Lot 2,
 1. on-site vehicle parking and                                           which has adequate parking within
     manoeuvring areas; and                                               Roses Road road reserve, and
 2. loading and manoeuvring                                               manoeuvring areas.
     areas for delivery and
     service vehicles.




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Performance outcomes                                 Acceptable Outcomes                       RESPONSE - Earthworks
                                                                                               Code
Sloping sites                     AO9
                                                                                               Complies with PO9
PO9                               Cut or fill is less than 1.5 metres in
On sloping sites development      depth relative to the natural ground
follows the natural landform      level.                                                       The site is undulating.
wherever practical and excavation
or filling is minimal.

Infrastructure protection
PO10                                                 No acceptable outcome provided            Complies with PO10
Earthworks and vehicular access do
not adversely impact on the capacity,
                                                                                               The works will not adversely
operations and maintenance of
existing infrastructure.                                                                       impact the existing infrastructure.

Environmental protection
                                                                                               Complies with PO11
PO11
Earthworks minimise any adverse No acceptable outcome provided
impact upon groundwater,                                                                       The works are the smallest
watercourses, drainage lines,                                                                  footprint possible to achieve the
wetlands, and native vegetation.                                                               access driveway. Limited clearing
                                                                                               is required. Flow paths are not
                                                                                               impacted.

Dams                                                 AO12.1
                                                                                          N/A
PO12                                                 Where the site is in the Rural zone—
Dam location and construction
does not impact upon                                      the land has a slope of less
                                                         1.
neighbouring properties or road                           than 25% (1:4);
reserves, in terms of—                                2. the earthworks including cut
                                                          and fill batters and retaining
  1.    hydrology;                                        walls are setback a minimum of
  2.    alteration of existing                            50 metres from the property
        overland flow paths and                           boundary; and
        patterns;                                     3. the size of the lot is greater than
  3.    landslide or failure of dam                       5 hectares.
        wall; and                                    AO12.2
  4.    effluent disposal areas.                     Where the site is in the Rural
                                                     residential zone or the Rural zone
                                                     and the lot is less than 5 hectares:

                                                          the land has a slope of less
                                                         1.
                                                          than 1:6;
                                                      2. the earthworks including cut
                                                          and fill batters and retaining
                                                          walls are setback a minimum of
                                                          20 metres from the property
                                                          boundary; and
                                                      3. the dam work involves less than
                                                          500m³ of material.
                                                     AO12.3
                                                     For all other zones—
                                                     No acceptable outcome provided




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4.2.3 Water Quality and Drainage Code
The works generally comply with the Water Quality and Drainage code, as detailed below in Tables
7 and 8 below.

Table 7:               Response to Table 9.4.8.3 – Stormwater drainage design

Performance Outcomes                                Acceptable Outcomes               RESPONSE – SW Drainage
                                                                                      Design
Stormwater drainage design                                                            Complies with PO1
PO1                                                 AO1
The development and its                             A stormwater management plan is   The stormwater drainage design for
stormwater management system                        prepared consistent with PSP6     the proposed driveway and culvert
is planned and designed having                      Engineering Design Standards -    crossing includes:
regard to:                                          Roads, drainage and earthworks.       • Table drains along the
  1. the natural features of                                                                  driveway,
      the site;                                                                           • Stabilised drainage outlet
  2. the need to avoid impacts                                                                points into Skyring Creek
      and potential risks                                                                 • Two RCP’s under the
      to ecologically important                                                               driveway to accommodate
      areas;                                                                                  overland flow paths
  3. the likely effectiveness of
      erosion and sediment                                                            ESC measures will be implemented
      control and stormwater                                                          during works as per plans.
      drainage measures during                                                        Stabilisation on site will occur
      rainfall events during and                                                      following works with appropriate
      post construction; and                                                          methods include grass seeding,
  4. the need to protect                                                              turfing and planting creek banks with
      environmental values and                                                        native species.
      water quality of receiving
      waters both during and post
      construction.
PO2                                 AO2.1                                 Complies to PO2
Stormwater drainage                 Stormwater drainage planning,
infrastructure is planned,          design and construction is in         The stormwater drainage is
designed and constructed to:        accordance with PSP6 Engineering
                                                                          designed to accommodate overland
                                    Design Standards - Roads, drainage
  1. incorporate allowance for      and earthworks and the latest         flow on site and to maintain existing
     increased flood risk and tidal version of the QUDM.                  flowpaths and discharges to Skyring
     inundation through pipework AO2.2                                    Creek.
     as a result of cilmate change The stormwater drainage system
     and sea level rise;            connects to a lawful point of
  2. ensure the development is      discharge in accordance with PSP6
     adequately drained; and        Engineering Design Standards -
  3. ensure stormwater is           Roads, drainage and earthworks.
     managed and lawfully           AO2.3
     discharged without altering Stormwater flows discharging from
     stormwater drainage            the development are demonstrated
     characteristics external to    to be consistent with pre-
     the site.                      development characteristics.
                                    AO2.4
                                    Development provides for the
                                    management of stormwater to
                                    incorporate appropriate allowance
                                    for climate change impacts
                                    (including rainfall intensity and sea
                                    level rise), in accordance with PSP6




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Performance Outcomes                                Acceptable Outcomes                   RESPONSE – SW Drainage
                                                                                          Design
                                                    Engineering Design Standards –
                                                    Roads, Drainage and Earthworks.
PO3                                                 AO3.1                                 Complies with PO3
Stormwater drainage                                 Stormwater drainage infrastructure
infrastructure conveys run-off in a                 meets the desired standards of        The stormwater drainage is
manner that allows roads to                         service for roads functionality set   adequate for an access driveway.
deliver desired standards of                        out in PSP6 Engineering Design
service appropriate to the local                    Standards - Roads, Drainage and
conditions and local stormwater                     Earthworks.
drainage characteristics.
PO4                                                 AO4.1                                Complies with PO4
Stormwater infrastructure is                        The location, design and
compatible with existing                            construction of stormwater drainage The stormwater drainage is
infrastructure, allows for                          structures is in accordance          adequate for an access driveway for
easy access for the ongoing                         with PSP6.                           a rural lot.
maintenance by Council, is cost                     AO4.2
effective across its design life.                   Where infrastructure is located on
                                                    private land an easement is
                                                    dedicated over the infrastructure in
                                                    accordance with PSP6
                                                     AO4.3
                                                    Any alterations or repairs to
                                                    infrastructure as a result of the
                                                    development are made at no cost to
                                                    Council.
                                                    AO4.4
                                                    Development avoids stormwater
                                                    inflow and infiltration to the sewer
                                                    infrastructure network.
                                                    AO4.5
                                                    Stormwater infrastructure is
                                                    designed to minimise maintenance
                                                    costs and the requirement for
                                                    specialized equipment for
                                                    maintenance techniques.
PO5                                AO5.1                                 Complies with PO5
Stormwater drainage                Stormwater drainage infrastructure
infrastructure is aligned to avoid avoids crossing waterways,            The stormwater drainage
crossing waterways, wetlands,      wetlands drainage lines               requirements are to ensure flow
drainage lines and ecological      and ecologically important areas or paths are maintained on site, with
important areas, or where it is    follows the edge of existing          existing flows diverted under the
demonstrated this is unavoidable, disturbed areas.                       driveway via 2 RCP’s and a table
disturbed areas are reinstated     AO5.2                                 drain to direct flows from the
and revegetated upon completion Stormwater drainage infrastructure driveway to stable points to flow to
of works.                          is co-located with other              Skyring Creek.
                                   infrastructure within a combined
                                   utility corridor where appropriate.
                                   AO5.3
                                   Temporary vehicular crossings of
                                   waterways must be designed and
                                   constructed to be consistent with the
                                   current International Erosion Control
                                   Association Best Practice Book
                                   Series.




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Table 8:               Response to Table 9.4.8.3 – Hydrology and Waterway Stability

Performance Outcomes                                     Acceptable Outcomes               RESPONSES - Hydrology
Hydrology and waterway stability AO10                                   Complies with PO10
PO10                                  The development is designed to:
Development prevents increased         1. limit the peak 1              The driveway and culvert crossing
bed and bank erosion and                   year ARI event discharge     do not change existing flow rates,
sedimentation in receiving                 within the                   peak flor run-off and flow duration.
waterways by avoiding changes in           receiving waterway to the
flow rate, peak flow run-off and flow      pre-development peak 1       The culvert design includes scour
duration.                                  year discharge;              protection works and stabilisation
                                       2. maximise pervious areas by of table drains at the crossing.
                                           using pervious alternatives
                                           for otherwise impervious
                                           areas wherever possible;
                                       3. provide for capture and
                                           reuse of stormwater for non-
                                           potable purposes for
                                           gardening, toilet flushing,
                                           laundry and hot water supply
                                           uses;
                                       4. incorporate appropriate
                                           detention features; and
                                       5. incorporate natural channel
                                           design principles

                                                         Editor’s note: The Sustainable
                                                         Building Design Code includes
                                                         requirements for stormwater
                                                         capture and reuse.
PO11                                   AO11.1                             N/A
Water sensitive urban design           The design and construction of a
principles are applied to achieve      natural channel or natural channel
multifunctional design of waterways, rehabilitation works are in
wetlands and drainage lines that       accordance with the Natural
provide for:                           Channel Design Guidelines
 1. stormwater conveyance that         (Brisbane City Council) having
      uses natural channel design;     regard to local topography,
 2. protection of landscape            geology and geomorphology.
      features and ecological
      important areas including        AO11.2
      terrestrial and aquatic habitat; Landscape features, plant
 3. aesthetic and passive              species and habitat types used in
      recreation values;               stormwater conveyance channels
 4. flood management and               are complementary to the local
      conveyance of external           context and natural waterways.
      catchment stormwater through
      the development;                 AO11.3
 5. landscaping that                   Bank and bed stability and
      incorporates local native        planting densities result in a
      species; and                     stable channel over the long term
 6. bed and bank stability.            and minimal potential for pest
                                       plant species.

                                                         AO11.4
                                                         Water Sensitive Design measures




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Performance Outcomes                                     Acceptable Outcomes                   RESPONSES - Hydrology
                                                         are incorporated into the
                                                         development, as detailed in the
                                                         document Water Sensitive
                                                         Designs small improvements,
                                                         new ideas, concepts and sketch
                                                         designs for stormwater filtration
                                                         systems (Healthy Waterways
                                                         Water by Design).

                                                         AO11.5
                                                         Floodplain management is
                                                         designed in accordance with the
                                                         Framework for the Integration of
                                                         Flood
                                                         and Stormwater Management into
                                                         Open Space published by Healthy
                                                         Waterways Water by Design
                                                         (version current at the time of
                                                         development application)
PO12                                                     AO12.1                            Complies with PO12
Development protects in-stream                           Where run-off from or within
ecology by maintaining pre-                              the site passes through or drains The culvert crossing has been
development low flow discharge                           to natural                        designed to comply with the
regimes and maintaining fish                             channels, waterways or wetlands, Accepted Development
passages.                                                development protects in-steam     Requirements (ADR) for
                                                         ecology by maintaining pre-       Waterway barrier Works.
                                                         development low flow discharge
                                                         regimes in accordance with the
                                                         frequent flow management
                                                         objectives in PSP6 Engineering
                                                         Design Standards - Roads,
                                                         drainage and earthworks

                                                         AO12.2
                                                         Instream structures such as
                                                         roads, bridges, culverts, and other
                                                         stormwater infrastructure do not
                                                         cause barriers to fish passage
                                                         and facilitate the movement of
                                                         terrestrial and aquatic fauna
                                                         along waterway corridors.

                                                         AO12.3
                                                         Benthic substrate retains a
                                                         continuous grade with the
                                                         direction of flow consistent with
                                                         the natural bed profile.
PO13                                                     AO13.1                                Complies with PO13
Development is designed and                              The location and form of
constructed to maintain surface and                      stormwater discharge points do        The works do not impact ground
ground water balances that sustain                       not alter the pre-development         water balances or existing
the environmental values of water                        hydrology of receiving surface        environmental values on site.
dependent ecosystems, including                          water or groundwater.
downstream aquatic,                                                                            There is minor clearing and the
riparian, wetland and terrestrial                        AO13.2                                crossing has been designed to
ecosystems.                                              Developments located on               ADR requirements for waterway
                                                         groundwater recharge or               barrier works.




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Performance Outcomes                                     Acceptable Outcomes                RESPONSES - Hydrology
                                                         discharge areas are designed and
                                                         managed in accordance with a
                                                         groundwater recharge and
                                                         discharge management plan
                                                         prepared by a suitably
                                                         experienced and qualified
                                                         groundwater hydrologist. The
                                                         groundwater recharge or
                                                         discharge must demonstrate that
                                                         the development does not affect
                                                         groundwater balances beyond the
                                                         property boundaries.

                                                         Editor's Note— PSP6
                                                         Engineering Design Standards -
                                                         Roads, drainage and earthworks
                                                         provides guidance on prepare a
                                                         groundwater recharge and
                                                         discharge plan.




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4.2.4 Biodiversity, Waterways and Wetlands Overlay Code
The proposed works will occur in mapped Riparian Buffers areas and Areas of Biodiversity
Significance as shown in Figure 2 below. Responses to the code are provided in Table 9 below.




Figure 2:              Biodiversity Overlay Code Map – Noosa Plan




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Table 9:               Responses to Table 8.2.2.3 – Biodiversity Overlay Code

Performance outcomes                                Acceptable outcomes                       RESPONSES

Ecologically important areas
PO1                                                 AO1.1                                     Complies with PO1
Development is sited and                            Ecologically important areas are
designed to protect the physical                    conserved or improved to ensure           The driveway and culvert crossing
and ecological integrity and                        their ongoing contribution to the         have been located in already
biodiversity of ecologically                        natural resources and biological          cleared areas. The alignment is in
important areas through                             diversity of Noosa Shire.                 the location of previous access
protection of:                                                                                driveways and waterway crossing
                                      AND                                                     location, for historical access to Lot
  1.    existing habitat areas                                                                2.
        and ecological linkages; and AO1.2
  2.    existing riparian vegetation, Buildings, structures and associated                    Very minor clearing is required for
        waterways                     works are located within existing                       works.
        and wetland habitat values. cleared areas or areas of lowest
                                      ecological value.

                                                    AND

                                                    AO1.3
                                                    Where constructing a dwelling
                                                    house or community residence,
                                                    buildings and associated structures
                                                    are not located on land identified as
                                                    an area of biodiversity significance on
                                                    a Biodiversity, Waterways and
                                                    Wetlands Overlay Map.

                                                    or

                                                    Clearing vegetation (other than for a
                                                    driveway access) does not extend
                                                    beyond—

                                                     1.   30 metres of a
                                                          habitable building or 10 metres
                                                          of a class 10 structure on lots
                                                          greater than 10 hectares; or
                                                     2.   10 metres of a
                                                          habitable building or class 10
                                                          structure on lots 10 hectares or
                                                          less but more than 3,000m2; or
                                                     3.   3 metres of a
                                                          habitable building or class 10
                                                          structure on lots 3,000m2 or
                                                          less.

                                                    AND

                                                    AO1.4
                                                    Clearing of vegetation for a boundary
                                                    fence does not extend beyond 5
                                                    metres either side of the fence.




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Performance outcomes                               Acceptable outcomes

Management of impacts
PO3                                   AO3.1                                 Complies with PO3
Development is designed and           Where clearing of vegetation cannot
sited to manage adverse               be practicably avoided, the           The driveway and culvert crossing
impacts on ecologically               development:                          have been located in already cleared
important areas by:                                                         areas. The alignment is in the
                                        1. ensures the design and siting    location of previous access
  1.    minimising the total               limits the loss of vegetation to driveways and waterway crossing
        footprint within which all         the smallest extent possible;    location, for historical access to Lot
        activities, buildings,          2. protects and retains ecological 2.
        structures driveways and           values and ecosystem
        other works are contained;         processes to the greatest extent Very minor clearing is required for
  2.    locating development in            possible within and adjacent to works.
        existing cleared areas or          the site;
        areas of low ecological         3. provides measures to allow for
        value over other areas to          safe movement of fauna
        the greatest extent                through the site; and
        possible; and                   4. provides suitable habitat
  3.    incorporating siting and           replacement and replanting in
        design measures to protect         accordance with PSP3
        and retain ecological              Ecological Assessment
        values and ecosystem               Guidelines.
        processes within or           AO3.2
        adjacent to the               Habitat trees, recruitment habitat
        development site; and         trees, and roosting, breeding and
  4.    where adverse impacts         feeding areas are protected for
        have been minimised, any native fauna habitat.
        residual impacts on
        ecological values are
        compensated for through
        suitable habitat
        replacement and replanting
        on site in the first instance
        or in a way that results in a
        net gain and enhancement
        of the overall habitat values
        of Noosa Shire.




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PO4                                                AO4.1                                      Complies with PO4
Development provides for                           Vegetation is protected from
effective measures during                          disturbance or damage from                 The works will be undertaken in
construction and operation to                      construction and operation activities      accordance with relevant codes, the
protect ecological values                          by:                                        ADR for waterway barrier works, and
including:                                                                                    ESC plans.
                                                    1. clearly marking trees to be
  1. avoiding disturbance to                           retained with flagging tape;     A wildlife spotter catcher will do a
     or clearing of vegetation in                   2. installing protective fencing    pre-clearance survey of the area to
     and within the vicinity of                        around the dripline of           relocate any native fauna.
     the site;                                         the vegetation and avoid filling
  2. managing habitat                                  and excavating in these fenced Works will also be undertaken in
     disturbance and physical                          areas;                           accordance with a Construction
     harm to fauna from noise,                      3. ensuring stockpiling, storage    EMP.
     vibration, dust, light,                           and vehicle parking occurs
     dewatering or excavating;                         outside the
     and                                               identified vegetation areas; and
  3. avoiding clearing in areas                     4. using low impact construction
     where erosion or slippage                         techniques around vegetation.
     could occur.
                                                   AO4.2
                                                   Vegetation which is capable of
                                                   forming or contributing to a buffer
                                                   between different land uses or a
                                                   buffer against pollution, light spillage
                                                   or noise is retained.

                                                   AO4.3
                                                   Lighting associated with
                                                   development:

                                                    1. does not contribute an
                                                       unacceptable level of
                                                       illuminance (greater than 1 lux)
                                                       for light sensitive species within
                                                       or at the boundary of an
                                                       ecologically important area; and
                                                    2. does not contribute to an
                                                       unacceptable level of
                                                       illuminance on landward
                                                       horizons along coastal areas
                                                       and known marine turtle nesting
                                                       beaches.

                                                   AO4.4
                                                   Clearing of vegetation does not
                                                   involve clearing that may cause or
                                                   contribute to hillslope erosion, bank
                                                   erosion, or slippage.




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Performance outcomes                               Acceptable outcomes

Connectivity
PO5                                                AO5                                  Complies with PO5
Development is designed and                        Development is designed and
operated to maintain and                           operated to maintain ecological      The proposed driveway and culvert
enhance connectivity between                       linkages and maximise opportunity    crossing are located in an existing
and across ecologically                            for connectivity and the movement of access pathway, and historical
important areas and connecting                     fauna by:                            waterway crossing location.
habitat and support unimpeded
and safe movement of terrestrial                    1.   ensuring protection of wildlife   The provision of 50m return on
and aquatic fauna.                                       refuges;                          koala fencing will ensure that
                                                    2.   maintaining vegetation in         terrestrial fauna will be directed to
                                                         patches of the greatest possible the riparian areas for movement and
                                                         size and within the smallest      not onto the Old Bruce Highway.
                                                         possible edge-to-area ratio;
                                                    3.   enhancing connectivity through The culvert has been designed in
                                                         planting and rehabilitation       accordance with the ADR for
                                                         works, including across           waterway barrier works, to ensure
                                                         property boundaries, to areas of fish passage is maintained in
                                                         national park, state forest or    Skyring Creek.
                                                         reserve;
                                                    4.   avoiding the creation of physical Clearing is minimised to maintain
                                                         barriers and safety hazards       habitat values on site.
                                                         (such as roads,
                                                         pedestrian access and instream
                                                         structures) along and within the
                                                         ecological linkage;
                                                    5.   providing mitigation measures
                                                         such as wildlife movement
                                                         infrastructure, fauna exclusion
                                                         and directional fencing,
                                                         underpasses/overpasses and
                                                         traffic calming devices, signage
                                                         and lighting; and
                                                    6.   where offsets are necessary,
                                                         delivering offsets that support
                                                         and enhance ecological
                                                         linkages.




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Performance outcomes                                Acceptable Outcomes

Waterways and wetlands
PO6                                  AO6.1                                Complies with PO6
The biodiversity and ecosystem       Development
values of waterways, wetlands        and clearing of vegetation does not As detailed above in PO5.
and adjacent riparian zones are      occur within:
protected by:                        a riparian buffer area;
                                       1. a wetland area; or
  1. avoiding any new                  2. 10 metres either side of the
     development in a riparian             centre line of other waterways
     buffer                                identified on a Biodiversity,
     area and wetland area;                Waterways and Wetlands
  2. retaining aquatic and                 Overlay Map.
     terrestrial habitat in riparian AO6.2
     zones;                          Development provides for the
  3. maintaining and enhancing rehabilitation of land within:
     wildlife corridors and          a riparian buffer area;
     connectivity along                1. a wetland area; and
     watercourses and drainage         2. 10 metres either side of the
     lines for native fauna                centre line of any
     movement;                             other waterway identified on
  4. avoiding edge effects and             a Biodiversity, Waterways and
     damage from adjacent land             Wetlands Overlay Map.
     uses;                           AO6.3
  5. maintaining stream integrity Recreational facilities (eg.
     and bank stability by           playgrounds, pergolas, barbeques)
     minimising bank erosion         are setback a minimum of 10 metres
     and slumping;                   from the top of the bank of
  6. maintaining water quality       a waterway.
     through filtering sediments, Editor’s Note—Setbacks to
     nutrients and other             waterways for certain uses and
     pollutants; and                 works are also specified in the
  7. removing pest species and relevant codes.
     replacing them with local       Editor's Note—Wetland areas are
     native species.                 identified on the Queensland
                                     Wetland Program mapping
                                     Editor's Note—
                                     Any clearing of vegetation also
                                     needs to meet the outcomes of
                                     the Earthworks Code and the Water
                                     Quality and Drainage Code.
PO7                               No acceptable outcome provided.         N/A
Vegetation within 400 metres of
the full ponded water within Lake
Macdonald is retained.
PO8                             AO8.1                                Complies with PO8
Development on land adjacent to Development adjacent to
a waterway or wetland maintains a waterway or wetland provides that: The proposed driveway will not
appropriate extent of                                                affect public access to Skyring
public access to waterways and   1. no new lots directly back onto Creek.
wetlands and minimises edge          a riparian buffer area; and
effects.                         2. new public roads are located
                                     between a riparian buffer
                                     area or riparian zone and the
                                     proposed development area.




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Performance outcomes                                 Acceptable outcomes

Surface and ground water hydrology
PO9                                                  AO9.1                                     Complies with PO9
Development ensures that the                         Development does not impact on
natural surface water and ground                     the natural surface water or              The proposed works will not affect
water hydrologic regimes of                          groundwater hydrologic regimes            the natural surface water flows and
waterways, wetlands and                              and this is facilitated by:               regimes on site.
hydrologically-sensitive plant
communities are not adversely                            1. avoiding or minimising
impacted.                                                   channelization, redirection or
                                                            interruption of flow;
Editor's Note—Groundwater                                2. avoiding groundwater
dependent ecosystems are                                    extraction;
identified on Queensland                                 3. maintaining groundwater
Government Wetland Info                                     recharge and discharge
mapping.                                                    processes;
                                                         4. maintaining natural
                                                            groundwater fluctuations;
                                                         5. avoiding causing ingress of
                                                            saline water into freshwater
                                                            aquifers of wetlands; and
                                                         6. avoiding contaminants
                                                            entering groundwater (e.g.
                                                            from runoff, effluent disposal).




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Performance outcomes                                     Acceptable outcomes
Rehabilitation of ecologically
important areas
PO10                                        AO10.1                                Complies with PO10
Development provides for ecologically       Landscaping and
important areas to be restored and          rehabilitation complements and        The works will only require
enhanced through:                           supports ecologically important       minimal clearing of native
                                            areas by:                             vegetation. Some camphor
  1.    designing landscaped areas to       utilising local native species;       laurels may also require
        complement and enhance               1. utilising suitable plant          removal.
        existing vegetation and ecological         species identified in PSP2
        linkages;                                  Landscaping;                   The disturbed areas will be
  2.    removing species likely to           2. restoring degraded                stabilised with grass, or planted
        displace native flora species or           ecosystems to achieve a        with native species on the creek
        degrade fauna habitat;                     functional ecosystem state     banks.
  3.    replanting and rehabilitating              that requires minimal human
        degraded habitat;                          intervention;
  4.    replacing                            3. replicating adjacent remnant
        any vegetation removed with                habitats of the same type,
        suitable local native species;             including the
  5.    providing for fauna habitat; and           understorey vegetation;
  6.    avoiding the planting of pest plant  4.    creating or enhancing
        species.                                   linkages between existing
                                                   habitats;
                                             5. avoiding the use of pest plant
                                                   species listed in PSP2 -
                                                   Landscaping;
                                             6. planting riparian zones to
                                                   filter stormwater run-off,
                                                   stabilise soil and provide for
                                                   wildlife habitat; and
                                             7. providing ground and
                                                   arboreal structures for fauna,
                                                   which may include ground
                                                   depressions, rocks, hollows,
                                                   nesting boxes and in-stream
                                                   habitat.
                                            AO10.2
                                            Vegetation cleared is replaced
                                            with:
                                            plantings of equivalent area that
                                            replicate the floristic structure of
                                            the vegetation removed; or
                                             1. where this is not possible due
                                                   to the characteristics of
                                                   the site and the development,
                                                   plantings twice the number of
                                                   the removed trees and
                                                   plants.

                                                         Editor’s Note — Revegetation
                                                         and rehabilitation works are to be
                                                         carried out in accordance with an
                                                         approved Revegetation and
                                                         Rehabilitation Management Plan,
                                                         as referred to in PSP3 Ecological
                                                         assessment guidelines.




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Performance outcomes                                     Acceptable outcomes

Koala habitat protection and enhancement
PO11                                      AO11.1                            Complies with PO11
Development is designed, constructed      Development design complies with
and operated to—                          the Koala-sensitive Design        The development does not
                                          Guideline: A guide to koala       require removal of KHT’s.
  1. protect and enhance koalas and       sensitive design measures for
     koala habitat and avoid adverse      planning and development          The driveway is also designed
     impacts;                             activities.                       to discouraged koalas entering
  2. provide measures to assist the                                         the Old Bruce Hwy, by installing
     survival of koala populations in the AO11.2                            a 50m fence return alongside
     area to mitigate any potential       Development incorporates          the driveway entry off the main
     threats or risk to koalas; and       revegetation and landscaping that road.
  3. provide for safe and appropriate     provides food, shelter and
     koala movement across the            movement opportunities for
     landscape.                           koalas.

Editor's Note—Koala habitat                              AO11.3
mapping is in Schedule 2 Mapping.                        Development is designed to
                                                         maximise and enhance
Editor's Note—The Planning                               connectivity between koala habitat
Regulation 2017, schedule 10 states                      trees and ensure safe koala
that development that interferes with                    movement.
koala habitat, in an area that is both a
koala priority area and a koala habitat                  AO11.4
area, is prohibited development                          During construction, measures are
(subject to the exceptions stated in                     incorporated to not increase the
schedule 10 of the Planning Regulation                   risk of death or injury to koalas, by
2017).                                                   including safe koala movement
                                                         measures, as defined in the
Editor's Note - These performance                        Planning Regulation 2017.
outcomes and acceptable outcomes
apply to:

  1. development on land in a koala
     priority area, where the
     development does not interfere
     with koala habitat and where the
     benchmarks are additional to and
     not inconsistent with, the
     assessment benchmarks stated in
     schedule 11, part 2 of the
     Planning Regulations 2017; and
  2. development on land outside the
     koala priority area, where the
     development does not interfere
     with koala habitat in koala habitat
     areas.




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5.0 STATE ASSESSMENT AND OTHER MATTERS
5.1           Waterway Barrier Works
The works will involve crossing of Skyring Creek, which is mapped as a High Risk (Red) waterway
under Fisheries Mapping.

The Planning Regulation 2017, triggers assessment under Schedule 10, Part 6, Division 4 for the
proposed Waterway Barrier Works.

The current design details proposed waterway barrier works as follows:
   • Three reinforced concrete box culverts, two x 1800W x 900H RCBC and one central cell
       being 1800W x 1450H link slab.

The proposed works requires assessment against State Code 18 – see Appendix E.
5.1.1 Justification for Waterway Barrier Works
The owner of Lot 2 requires an independent access to this site. Current access arrangement for
Lot 2 is through Lot 1 RP56225, located at 14 Sankeys Road, Federal. Lot 2 has previously had
an access driveway and crossing of Skyring Creek, generally in the same location as the proposed
driveway and crossing.

5.1.2 Alternatives considered
The owner considered a number of options relating to alternatives to the proposed access to Lot 2
including:
    1.     No works – this was determined to be unsuitable, as independent access is preferred
           for this separate lot.
    2.     Low level crossing – this was considered not possible due to the high southern bank of
           Skyring Creek, requiring excessive earthworks to achieve the low level crossing and as
           such greater impacts to Skyring Creek.
    3.     Culvert crossing – as an access to one lot the use of box culverts is considered to be
           the most appropriate for the creek profile and cost to construct in this location. As such
           this is the preferred option of the owner.

5.1.3 Design Details
The crossing design plans are attached with the operational works application. The replacement
culverts will have the following features:

Table 10:              Culvert Design Features
      PARAMETERS                                                  Proposed Culvert
      Culvert Size (mm)                                   2 x 1800mm x 900mm RCBC; and
                                                           1 x 1800mm x 1450mm link slab
      Number of cells                                                      3
      Material                                      Reinforced Concrete box culverts with link slab
      Length (m)                                                         3.66
      Width (m)                                                           6.0
      U/S Invert level (AHD m)                              81.744 (RCBC’s – outer cells)
      – Apron edge                                         81.444 (link slab – low flow cell)
      D/S Invert level (m AHD)                              81.595 (RCBC’s - outer cells)



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      PARAMETERS                                               Proposed Culvert
                                                         81.295 (link slab – low flow cell)
      Grade (%)                                                         2.0
      Cover (m) –                                             0.55 (middle of road)

5.1.4 Hydraulics and Flooding
A local flood impact assessment was undertaken by Callaghan and Toth, to determine changes to
upstream flood levels, downstream flow velocities and flow capacities of the existing crossing
compared to the proposed culverts. The analysis found the following results:
     •     Flood Levels:
              - 2EY (6 month) HWL 83.47 (0.32 above causeway).
              - 4EY (3 month) HWL 82.91.(0.22 below causeway).
              - Therefore, in the long term average, the culverts are likely to be overtopped 2 times
                  per year.

     •     Velocities across road surface are as follows:
              - 100 year: Ave 1.20 m/s Peak 1.50 m/s
              - 50 year: Ave 1.15 m/s Peak 1.44 m/s
              - 20 year: Ave 1.08 m/s Peak 1.35 m/s

It is also noted that the lower top of creek bank floods in a 2ey and so access to the crossing is
controlled by this flood event. Callaghan and Toth during the design process aimed to have the
2ey driveway and causeway drivable during the 2ey event. With a 300mm water depth and a
velocity of 1.08m/s, this results in a DV value of 0.32 which is safe for adults to cross.
5.1.5 Erosion and Sediment Control Requirements
A construction EMP will be used for the works and will detail management techniques for the site
to reduce erosion and control sediments. Design and installation of drainage, erosion and
sediment controls will be in accordance with the plans supplied by Callaghan & Toth Engineers;
specifically Plan 2319-015, and the Institute of Engineers, Australia - Soil Erosion and Sediment
Control Guidelines for Construction Sites. Supplementary guidelines such as the IECA Best
Practice Erosion and Sediment Control will be used as necessary.

5.2           Works in a State Transport Corridor
Schedule 10, Part 9 Division 4 Subdivision 2 – State transport corridors and future State transport
corridors.

The crossover to the access driveway will be within the State transport corridor and as such
requires assessment against State Code 1 – see Appendix D.

5.2.1 Justification for Works in a State Transport Corridor

The driveway access is to be located in the road reserve of Roses Road, which is accessed off the
Old Bruce Highway road reserve. A driveway has been in this location historically to access Lot 2.

5.2.2 Alternatives Considered
     1.          No works – this was determined to be unsuitable, as independent access is preferred
                 for this separate lot.




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     2.          Access off Sankeys Road – this was considered difficult to design due to steep slopes
                 from Sankeys Road near the northern end of the lot and as such too costly an option to
                 construct.
     3.          Construct an access driveway in Roses Road and a box culvert crossing – this was
                 determined to be the most suitable alternative, due to historical use of the road reserve
                 as access to Lot 2 and a crossing of Skyring Creek evident in the same location as the
                 proposed box culvert array.




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36 Roses Road, Federal                                                                             29

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                                                                                    Callaghan & Toth
6.0 CONCLUSION
It is considered that these works be approved for the following reasons:
     ▪ Works are necessary to provide an access to Lot 2 RP95476, 36 Roses Road.
     ▪ The works require minimal clearing to achieve a driveway access to the lot.
     ▪ The works are located in the road reserve of Roses Road.
     ▪ Koala movements will be discouraged from entering the Old Bruce Highway by the
         installation of 20m return on the existing koala fence.
     ▪ The proposed culvert improves fish passage as follows:
             o Maintaining the waterway cross-sectional area.
             o The central cell (the link slab) being 300mm lower than the existing bed level, for
                  low flow scenarios for fish movements.
             o Roughening of outer walls of culvert cells and upstream wingwalls as per the
                  Accepted Development requirements.
     ▪ The culvert crossing will be overtopped approximately 2 times per year.
     ▪ Works will take approximately four months to complete.
     ▪ Clearing has been minimised.
     ▪ Works will be undertaken in accordance of a Construction EMP to minimise impacts
     ▪ Works will be undertaken in accordance with an Erosion and Sediment Control Plan
     ▪ Erosion and Sediment controls proposed will be designed to ensure fish passage is not
         restricted for long time periods.
     ▪ Any bare areas of the works site will be stabilised following completion of works with native
         species.




Operational Works Application – Supporting Information                             April 2025
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                                                         Callaghan & Toth
Appendix A – Noosa Council In Principle Support




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                                                         Callaghan & Toth
Appendix B – TMR RFI Response




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                                                         Callaghan & Toth
Appendix C – Flora and Fauna Report




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                                                         Callaghan & Toth
Appendix D - SDAP 1 Responses




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                                                         Callaghan & Toth
Appendix E – SDAP 18 Responses




Operational Works Application – Supporting Information   April 2025
36 Roses Road, Federal                                           35

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