environmental assessment and management strategy

Environmental Assessment

and Management Strategy

Ocean Reef Marina

Prepared for

DevelopmentWA

by Strategen-JBS&G

December 2019

Environmental Assessment

and Management Strategy

Ocean Reef Marina

Strategen-JBS&G is a trading name of

JBS&G Australia Pty Ltd

Level 1, 50 Subiaco Square Road Subiaco WA 6008

ABN: 62 100 220 479

December 2019

Limitations

Scope of services

This report (“the report”) has been prepared by Strategen-JBS&G in accordance with the scope of services set out in the

contract, or as otherwise agreed, between the Client and Strategen-JBS&G. In some circumstances, a range of factors

such as time, budget, access and/or site disturbance constraints may have limited the scope of services. This report is

strictly limited to the matters stated in it and is not to be read as extending, by implication, to any other matter in

connection with the matters addressed in it.

Reliance on data

In preparing the report, Strategen-JBS&G has relied upon data and other information provided by the Client and other

individuals and organisations, most of which are referred to in the report (“the data”). Except as otherwise expressly

stated in the report, Strategen-JBS&G has not verified the accuracy or completeness of the data. To the extent that the

statements, opinions, facts, information, conclusions and/or recommendations in the report (“conclusions”) are based in

whole or part on the data, those conclusions are contingent upon the accuracy and completeness of the data.

Strategen-JBS&G has also not attempted to determine whether any material matter has been omitted from the data.

Strategen-JBS&G will not be liable in relation to incorrect conclusions should any data, information or condition be

incorrect or have been concealed, withheld, misrepresented or otherwise not fully disclosed to Strategen-JBS&G. The

making of any assumption does not imply that Strategen-JBS&G has made any enquiry to verify the correctness of that

assumption.

The report is based on conditions encountered and information received at the time of preparation of this report or the

time that site investigations were carried out. Strategen-JBS&G disclaims responsibility for any changes that may have

occurred after this time. This report and any legal issues arising from it are governed by and construed in accordance

with the law of Western Australia as at the date of this report.

Environmental conclusions

Within the limitations imposed by the scope of services, the preparation of this report has been undertaken and

performed in a professional manner, in accordance with generally accepted environmental consulting practices. No

other warranty, whether express or implied, is made.

The advice herein relates only to this project and all results conclusions and recommendations made should be

reviewed by a competent person with experience in environmental investigations, before being used for any other

purpose.

Strategen-JBS&G accepts no liability for use or interpretation by any person or body other than the client who

commissioned the works. This report should not be reproduced without prior approval by the client, or amended in any

way without prior approval by Strategen-JBS&G, and should not be relied upon by other parties, who should make their

own enquiries.

Client: DevelopmentWA

Report Version Revision

No. Purpose

Strategen-JBS&G author/reviewer

Submitted to Client

Form Date

Preliminary Draft Report A Client review M Dunlop/L Adams Electronic 18/09/2015

Draft Report B Client review M Dunlop/L Adams Electronic 04/05/2016

Final Draft Report C Client review M Dunlop/L Adams Electronic 08/07/2016

Final Report 1 Submission to agencies

M Dunlop/L Adams Electronic 30/08/2016

Revised Final Report D Client review J Hyatt & C O’Brien/ L Taylor

Electronic 05/09/2019

Revised Final Report E Client review W Schienbein & C O’Brien


Revised Final Report 2 Submission to agencies

W Schienbein & C O’Brien


Revised Final Report 3 Submission to agencies

W Schienbein, C O’Brien, J Hyatt/L Taylor


Filename: JBSG56726-124188 R010 Ocean Reef Marina EAMS Rev 3 - 19 December 2019

Executive Summary

JBSG56726-124188 R010 Ocean Reef Marina EAMS Rev 3

19-Dec-19 i

Executive Summary

DevelopmentWA (the proponent) proposes to develop a world class recreational, residential, boating and

tourist development, referred to as the Ocean Reef Marina Development (the Development) located at

Ocean Reef, Western Australia. The preferred Concept Plan for the entire Development includes 64 ha of

land and sea. The terrestrial portion of the Development (the Site) has an area of approximately 42 ha.

The Development is in the Ocean Reef locality, approximately 6 km west of the Joondalup City Centre,

29 km from the Perth central business district and 9 km north of Hillarys Boat Harbour. The Development

will involve the redevelopment of the existing Ocean Reef Boat Harbour into a mixed-use working marina

including:

a) a mixed use ‘working marina’ including club, service commercial and marine industrial uses, and

boating precinct including ramps, coastal amenities and parking in the south;

b) a central retail, tourist and high-density mixed-use precinct;

c) a northern low to medium density residential precinct;

d) capacity for up to 550 boat pens and 200 boat stackers; and

e) civic and community uses, including Public Open Space (POS).

An environmental evaluation of the terrestrial portion of the Development was undertaken, including an

assessment of existing environmental characteristics of the Site and management and mitigation

measures. In summary, the outcomes of the environmental assessment were:

1. The landform, topography and groundwater conditions are not considered a constraint to site

development. Earthworks will not occur outside of the Concept Plan boundary, with the exception of

minor battering of access roads into BF Site 325.

2. Karstic formations such as solution channels and caverns may occur in the area, but the risk of these

to the development is considered to be manageable. Additional geotechnical investigations will be

undertaken prior to subdivision to ensure that appropriate management measures and building

design techniques are undertaken to manage geotechnical risks.

3. The soils on the site are predominantly calcareous, therefore acid sulphate soils are not anticipated

to occur in the terrestrial portion of the Site.

4. A Detailed Site Investigation has been undertaken which concludes that the Site is limited to isolated

areas containing Potential Asbestos Containing Material (PACM) due to illegal dumping on the site.

This material can be managed through the subdivision process.

5. Vegetation condition on the Site ranges from Completely Degraded (cleared) to Excellent with the

majority (62%) of the total vegetation in Good to Very Good condition, which represents 38.7% of the

total land area within the Concept Plan boundary.

6. Three Priority 3 Priority Ecological Communities (PECs) occur on the Site, being:

• SCP 24: ‘Northern Spearwood shrublands and woodlands’

• SCP 29a: ‘Coastal shrublands over shallow sands, southern Swan Coastal Plain’

• SCP 29b: ‘Acacia shrublands on taller dunes, southern Swan Coastal Plain’.

7. DevelopmentWA, as the Proponent for the Development, has prepared an NPO that mitigates the

proposed clearing within BF 325 and will mitigate clearing impacts through land acquisition for

conservation purposes and rehabilitation of vegetation surrounding the Development within BF 325.

8. The Site includes a small area (0.43 ha) of Black-Cockatoo foraging habitat that will be cleared as

part of the Development. The Site does not contain any trees suitable for Black-Cockatoo nesting

hollows. The impact of this clearing on Black-Cockatoo has been considered ‘not a controlled action’

under the EPBC Act.

9. The Site contains potential habitat for Quenda, the Black-striped snake and the Rainbow Bee-eater.

10. Impacts on fauna will be mitigated and offset through pre-clearing fauna inspections, revegetation

and land acquisition proposed under the NPO.

11. Bushfire risk will be managed through adherence to the SPP3.7 (WAPC 2015) and Guidelines for

Planning in Bushfire Prone Areas (WAPC 2017).

Executive Summary


19-Dec-19 ii

12. A Construction Environmental Management Plan (CEMP) will be prepared to address the

management of terrestrial construction activities on the Site, including clearing and earthworks.

The environmental impacts of the terrestrial portion of the Development are considered to be able to be

managed through the mitigation and management measures described above.

Environmental assessment and management of the marine portion of the Development has been

assessed by the Environmental Protection Authority (EPA) via a Public Environmental Review (PER). The

marine portion of the development has been approved subject to conditions set in Ministerial Statement

1107.

Table of Contents


19-Dec-19

Table of contents

1. Introduction 1 1.1 Objective and scope of work 1 1.2 Planning and environmental approvals process 1 1.3 Ocean Reef Marina Preferred Concept Plan 2

2. Land use 4 2.1.1 Existing land use 4 2.1.2 Surrounding land uses 4

3. Existing environment 6 3.1 Climate 6 3.2 Landform and topography 6 3.3 Soils and geology 8

3.3.1 Geology 8 3.3.2 Geological hazards 8 3.3.3 Acid sulphate soils 10 3.3.4 Contamination 10

3.4 Groundwater and surface water 10 3.5 Vegetation and flora 13

3.5.1 Surveys conducted 13 3.5.2 Regional context 13 3.5.3 Bush Forever 13 3.5.4 Vegetation communities 14 3.5.5 Vegetation condition 15 3.5.6 Flora 21 3.5.7 Vegetation Communities 21

3.6 Fauna 22 3.7 Social environment 24

3.7.1 Indigenous heritage 24 3.7.2 European heritage 24

3.8 Bushfire risk 24

4. Potential impacts, management and mitigation 25 4.1 Landform and topography 25

4.1.1 Concept Plan consideration 25 4.1.2 Management 25 4.1.3 Potential environmental outcomes 25

4.2 Soils and geology 25 4.2.1 Concept Plan consideration 25 4.2.2 Management 25 4.2.3 Potential environmental outcomes 26

4.3 Groundwater and surface water 26 4.3.1 Concept Plan consideration 26 4.3.2 Management 26 4.3.3 Potential environmental outcomes 26

4.4 Vegetation and flora 26 4.4.1 Concept Plan consideration 26 4.4.2 Management and mitigation 27 4.4.3 Potential environmental outcomes 28

4.5 Fauna 28 4.5.1 Concept Plan consideration 28 4.5.2 Management and mitigation 28 4.5.3 Potential environmental outcomes 28

4.6 Bushfire risk 29 4.6.1 Concept Plan consideration 29 4.6.2 Management 29 4.6.3 Potential environmental outcomes 29

4.7 Construction management 29 4.7.1 Aspects requiring management 29 4.7.2 Management framework 30

4.8 Other matters 30 4.8.1 Noise 30

Table of Contents


19-Dec-19

4.8.2 Heritage 30

5. Summary and conclusions 31

6. References 32

List of tables

Table 3-1: Vegetation types across the Site 14 Table 3-2: Aboriginal heritage surveys incorporating the Site 24 Table 4-1: Vegetation condition of proposed clearing within the Site 27

List of figures

Figure 1-1: Regional location 3 Figure 2-1: Land use 5 Figure 3-1: Climate data for Swanbourne (nearest meteorological station) (Source: Bureau of Meteorology

2015) 6 Figure 3-2: Topography 7 Figure 3-3: Geology 9 Figure 3-4: Groundwater 12 Figure 3-5: Vegetation type 17 Figure 3-6: Vegetation condition 18 Figure 3-7: Potential Carnaby’s Black-Cockatoo Habitat 23

List of appendices

Appendix 1 Concept Plan

Table of Contents


19-Dec-19

Acronyms and short titles

Acronym/short title Full title

AASS Actual Acid Sulphate Soils

ACM Asbestos Containing Material

AHD Australian Height Datum

ASS Acid Sulphate Soils

BAL Bushfire Attack Level

BF 325 Bush Forever site 325

CEMP Construction Environmental Management Plan

DBCA Department of Biodiversity, Conservation and Attractions

DGL Design Groundwater Level

DMIRS Department of Mines, Industrial Regulation and Safety (DMIRS)

DotE Department of the Environment (Commonwealth)

DSI Detailed Site Investigation

EAMS Environmental Assessment and Management Strategy

EP Act Environmental Protection Act 1986

EPA Environmental Protection Authority

EPBC Act Environment Protection and Biodiversity Conservation Act 1999

ha Hectares

IS Improvement Scheme

LWMS Local Water Management Strategy

MGL Maximum Groundwater Level

MoU Memorandum of Understanding

MRS Metropolitan Region Scheme

NPO Negotiated Planning Outcome

P3 Priority 3

PACM Potential Asbestos Containing Material

PASS Potential Acid Sulphate Soils

PEC Priority Ecological Communities

PER Public Environmental Review

POS Public Open Space

TEC Threatened Ecological Communities

The City City of Joondalup

The Development Ocean Reef Marina Development

The Site Terrestrial portion of the Ocean Reef Marina Development

WAPC Western Australian Planning Commission

Environmental Assessment and Management Strategy


19-Dec-19 1

1. Introduction

DevelopmentWA (the proponent) proposes to develop a world class recreational, residential, boating and

tourist development, referred to as the Ocean Reef Marina Development (the Development) within a Local

Preferred Concept Plan boundary of 64 ha, including land and sea at Ocean Reef, Western Australia

(Figure 1-1). The terrestrial portion of the Concept Plan (the Site) has an area of approximately 42 ha.

The Site is in the Ocean Reef locality, approximately 6 km west of the Joondalup City Centre, 29 km from

the Perth central business district and 9 km north of Hillarys Boat Harbour. DevelopmentWA’s preferred

concept plan (refer Appendix 1) for the development is described as:

a) a mixed use ‘working marina’ including club, service commercial and marine industrial uses, and

boating precinct including ramps, coastal amenities and parking in the south;

b) a central retail, tourist and high-density mixed-use precinct;

c) a northern low to medium density residential precinct;

d) capacity for up to 550 boat pens and 200 boat stackers; and

e) civic and community uses, including Public Open Space (POS).

a) The Ocean Reef MRS Amendment (see Section 1.2) was published in the Government Gazette

on 11 October 2019.

The Government Steering Committee (GSC) for the project has been reviewing the design of the marina to

optimise project outcomes associated with the City of Joondalup’s Concept Plan 7.2A. This has largely

been a land based urban design exercise. The Western Australian Planning Commission (WAPC) has

recommended to the Minister that the area to be dealt with through Improvement Plan No. 51: Ocean Reef

Marina, and recommended the preparation of an Improvement Scheme (IS).

1.1 Objective and scope of work

This Environmental Assessment and Management Strategy (EAMS) has been prepared to support the IS

on behalf of the WAPC.

This EAMS provides a summary of the existing environment, an assessment of potential impacts

associated with the terrestrial portion of the Development, and outlines mitigation and management

measures.

1.2 Planning and environmental approvals process

In April 2014, a Metropolitan Region Scheme (MRS) amendment (1270/41) was initiated by the WAPC to

enable the appropriate MRS zonings to be established to enable the Development. The MRS amendment

was referred to the Environmental Protection Authority (EPA) under s 48A of the Environmental Protection

Act 1986 (EP Act) in May 2014. The EPA determined that the amendment did not require formal

assessment as it was considered that the terrestrial aspects could be adequately managed through the

relevant planning processes and the marine component would be considered under s 38 of the EP Act.

The EPA provided a ‘Statement of reasons and public advice’ for this decision in June 2014. For the

purposes of Part IV of the EP Act, the MRS amendment is defined as an assessed scheme amendment.

The marine component of the Development was separately referred to the EPA under s 38 of the EP Act in

May 2014. In June 2014 the EPA determined that the marine component (including coastal processes) of

the Development would be assessed at a Public Environmental Review (PER) level of assessment with an

eight week public comment period. The marine portion of the Development has now been approved

subject to conditions set in Ministerial Statement 1107.

To ensure that both the marine and terrestrial aspects of the Development are appropriately addressed,

the PER, MRS amendment were developed and assessed in parallel as far as possible.



19-Dec-19 2

The Minister for Planning signed the Ocean Reef MRS Amendment on 30 August 2019. The amendment

(1270/41) came into effect on 17 October 2019.

The IS will require referral to the EPA under s 48A of the EP Act for a decision on whether or not it requires

formal environmental impact assessment.

1.3 Ocean Reef Marina Preferred Concept Plan

DevelopmentWA’s vision for the Development is articulated as:

• a world class recreation, residential, boating and tourism development

• a sustainable community amenity

• a social and economic benefit to all residents

• a balance of public, residential and commercial amenities

• an equitable facility for all visitors and residents

• the social and economic maximisation of land use.

The preferred Concept Plan (Appendix 1) presents:

• a mixed use ‘working marina’ including club, service commercial and marine industrial uses,

boating precinct including ramps, coastal amenities and parking in the south

• a central retail, tourist and high density residential precinct

• a northern low to medium density residential precinct

• capacity for up to 550 boat pens and 200 boat stackers

• civic and community uses, including Public Open Space (POS).

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Coord. Sys. GDA 1994 MGA Zone 50 ZJob No: 56726

Client: LandCorp

Version: 2

Checked By: JH

Date: 07-Oct-2019

FIGURE 1-1

Legend:

Concept plan boundary

Improvement scheme boundary

Main roads (MRWA)

Drawn By: cthatcher

Ocean Reef Marina Development

REGIONAL LOCATION



19-Dec-19 4

2. Land use

2.1.1 Existing land use

MRS Amendment 1270/41 recently rezoned the Site to ‘Urban’, ‘Waterways’ and ‘Parks and Recreation’ to

facilitate the Development.

Existing land uses include extensive car and boat trailer parking, boat ramps, coastal recreation and

amenities, club facilities for the Whitfords Volunteer Sea Rescue Group and the Ocean Reef Sea Sports

Club together with extensive tracts of coastal reserves (Figure 2-1).

2.1.2 Surrounding land uses

Surrounding land uses are:

• north: bushland within BF 325

• east: bushland (BF 325) and then predominantly residential

• south: Water Corporation site associated with Ocean Reef Ocean Outfall Landline and bushland

(BF 325)

• west: Marmion Marine Park (Figure 2-1).

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Client: LandCorp

Version: 2

Checked By: JH

Date: 18-Dec-2019

FIGURE 2-1

Legend:



Marmion Marine Park

Bush Forever site (DOP)

Roads (MRWA)

Drawn By: cthatcher


LAND USE



19-Dec-19 6

3. Existing environment

3.1 Climate

The Site has a Mediterranean climate, characterised by hot dry summers and mild wet winters, typical of

coastal areas in the Perth metropolitan region. Temperatures range from a mean maximum of 29.5°C in

February to a mean minimum of 10°C in July and September, as recorded from 2013 to 2019 at Hillarys

Boat Harbour NTC AWS Station (Bureau of Meteorology 2019a) . The mean annual rainfall at Tamala Park

(Mindarie) Station, recorded between 2004 and 2019, is 605.2 mm (Bureau of Meteorology 2019b).

A summary of climatic data for the nearest meteorological stations (Hillarys Boat Harbour NTC AWS

Station and Tamala Park (Mindarie) Station) is presented in Figure 3-1.

Figure 3-1: Climate data for Hillarys Boat Harbour and Mindarie (Source: Bureau of Meteorology 2019a

and 2019b)

Winds are an important feature of coastal environmental settings as they are a major determinant of

landwards sand migration, landforms and landscape. During summer, winds blow from the south-east in

the morning and from the southwest in the afternoon with the local sea breeze. Winter is characterised by

north-westerly storm winds that back around to the west and southwest, interspersed with calmer periods.

3.2 Landform and topography

Ground elevations on the Site vary from 25 mAHD in the eastern portion to approximately 0 mAHD (sea

level) along the coast in the central of the Site (Figure 3-2).

The majority of the Site is dominated by undulating topography formed by dune systems that vary in height

by up to approximately 12 m. The dunes are bound to the west by limestone cliffs that vary in height from

2 to 4 mAHD.

Modifications to topography within the Site have occurred as a result of construction of the existing groyne,

boat launching facilities and car park. The car park area required the use of fill material to ensure that a

flat, stable area was created (Golder Associates 2015). As a result, the car park facility is approximately

10 m higher than the boat launching facilities and playground.

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Client: LandCorp

Version: 2

Checked By: JH

Date: 08-Oct-2019

FIGURE 3-2

Legend:



Topographic contours (mAHD)

Drawn By: cthatcher


TOPOGRAPHY



19-Dec-19 8

3.3 Soils and geology

3.3.1 Geology

The Site is located on the Swan Coastal Plain forming part of a deep linear trough of sedimentary rocks

known as the Perth Basin. The Perth Basin extends north-south parallel to the coastline with sediments of

marine, alluvial and aeolian origin.

Department of Mines, Industrial Regulation and Safety (DMIRS) geomorphology mapping (Figure 3-3)

provides the following description of the geomorphological units expected to occur within the Site:

• Spearwood Dune system calcarenite (limestone)

• Quindalup Dune System, which consists of unconsolidated sands, sometimes over limestone.

Geological logging to install bores for the groundwater monitoring and a Detailed Site Investigation (DSI)

undertaken by Strategen (2016a) confirms that the Site consists of Safety Bay Sand and Tamala

Limestone (Strategen 2015). These units can be described as:

• Safety Bay Sand: white, fine to medium grained, sub-rounded quartz and shell debris, of aeolian

origin, associated with the Quindalup Dune System

• Tamala Limestone: white to light brown, fine to coarse grained, subangular to well-rounded quartz

shell debris, variably lithified, often overlain by a variable thickness of residual sandy gravel

residual soil (Gozzard 1982).

3.3.2 Geological hazards

The Tamala Limestone may potentially contain karst features such as caves, vugs and solution channels,

which may pose a risk to building stability. A broad geotechnical survey of the Site has been undertaken

to assess the likelihood of these structures occurring.

A Preliminary Geotechnical Investigation was undertaken by Golder Associates (2015), with the deepest

holes being drilled to -6 mAHD. The study identified a number of different layers within the limestone.

While the majority of the limestone was considered to be moderately well cemented, a layer of siliceous

calcarenite was observed that was ‘generally weakly to moderately cemented with some well cemented

stones, vuggy with highly fractured and gravelly zones extending to levels between about 10 mAHD

and -3 mAHD’ (Golder Associates 2015). This material overlies and is interbedded with calcareous

sandstone which did not contain vugs (Golder Associates 2015).

Golder Associates advises that the risks posed by such karstic features on the site are low. However,

additional geotechnical investigations will be undertaken prior to subdivision to ensure that appropriate

management measures and building design techniques are undertaken to manage geotechnical risks.

OCEAN REEFBOAT HARBOUR

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Version: 2

Checked By: JH

Date: 11-Dec-2019

FIGURE 3-3

Legend:


Coastal geomorphologyBarrier complex, Spearwood DuneSystem calcarenite

Made ground

Parabolic and nested parabolic dunecomplexes, Quindalup Dune System

Drawn By: hsullivan


GEOLOGY



19-Dec-19 10

3.3.3 Acid sulphate soils

A review of the WAPC Planning Bulletin No. 64 - Acid Sulphate Soils (2003) and the Landgate WA Atlas

(2013), has identified that the terrestrial portion of the Site does not contain geology consistent with the

presence of actual acid sulphate soils (AASS) or potential acid sulphate soil (PASS) occurring at depths

greater than 3 m.

Soil and rock materials indicative of the presence of acid sulphate soils were not observed during

geological investigations by Strategen (2015a) or Golder Associates (2015).

A preliminary assessment of ASS risk to the Development was provided with the MRS amendment, and is

available upon request.

3.3.4 Contamination

The DSI (Strategen 2016a) undertaken for the terrestrial portion of the Development indicated that:

1. Soils were tested for a range of contaminants including hydrocarbons and trace metals.

Concentrations of contaminants in soil samples complied with adopted assessment criteria. Soil

at the site is not contaminated and there is no risk to human health or the environment from

exposure to the soil. The soil is suitable for use in the development as proposed.

2. With the exception of nickel at one location, no contaminants in groundwater were identified that

are a risk to human health. Groundwater is not proposed to be used for drinking, however

abstraction is proposed to irrigate landscaped areas. Groundwater quality meets long-term

irrigation criteria (ANZECC and ARMCANZ 2000) and as such, groundwater is suitable for

irrigation purposes. Existing concentrations of nickel and some nutrients in the groundwater

exceeded marine water quality for receiving environments. Groundwater discharging into the

ocean will be significantly diluted and the risk to the environment is considered low.

3. Limited Potential Asbestos Containing Material (PACM) has been identified, but this appears to

be localised (Strategen 2015). The City has previously been acting to remove the identified

PACM fragments, however, further PACM is likely to be present on the Site.

A copy of the DSI was provided with the MRS amendment and is available upon request.

3.4 Groundwater and surface water

The Site is located on the western side of the Gnangara Mound (South), with groundwater generally

flowing in a westerly direction towards the coast.

Monitoring by Strategen (2019) indicates that groundwater levels at the Site vary from approximately

0 mAHD at the western boundary, to 1 mAHD near the eastern boundary. Given the variable topography

of the Site, this corresponds to a depth to groundwater of between 0 m at the coast and 23 m below

ground level (Strategen-JBS&G 2019) at the eastern boundary. Groundwater at the coast is affected by

changes in sea level including tides and storm surge1

events. Moving away from the coast, this effect

reduces until the groundwater levels are only affected by seasonal trends related to rainfall.

Climate change is estimated to cause a rise in mean sea level of 0.3 m by 2060 and 0.9 m by 2110 (DoT

2010). In near coastal areas, groundwater levels are expected to rise as a consequence of the rise in sea

levels. In the immediate coastal area, the rise in sea level as a result of climate change is anticipated to

result in an equivalent rise in groundwater levels. Further from the land directly adjacent to the coast,

other factors affecting groundwater flow and levels (such as rainfall patterns) will have a greater effect on

groundwater levels.

1

The rising of the sea as a result of wind and atmospheric pressure changes associated with a storm.



19-Dec-19 11

Due to the location of the Development on the coast, a rise in sea level as a result of climate change is

anticipated to result in an equivalent rise in groundwater levels. This results in an estimated maximum

groundwater level for the year 2110 of between 1.89 mAHD and 2.09 mAHD (Strategen 2016a, Figure

3-4).

Wetlands and terrestrial surface waters are not present on the Site.

!(

!(

!(

!( DOW 4931

MB01

MB02

MB03

2.1

1.9 2.0

File Name: \\008PMPMR004V001.jbsg.aust\JBS Perth\Projects\1)Open\LandCorp\56726 Ocean Reef Marina Management Plans\GIS\Maps\R10_RevA\56726_03_4_Groundwater.mxdImage Reference: www.nearmap.com© - Imagery Date: 13 July 2019

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Version: 2

Checked By: JH

Date: 08-Oct-2019

FIGURE 3-4

Legend:



Design groundwater level contour (mAHD)

!( WIN Site bore

!( Monitoring bores

Drawn By: cthatcher


GROUNDWATER

MGL: 2.09DoW 4931

MB03MGL: 1.89

MGL: 2.09MB01

MB02MGL: 2.09



19-Dec-19 13

3.5 Vegetation and flora

3.5.1 Surveys conducted

A number of vegetation and flora surveys of the Site have been undertaken to date, comprising:

• Mattiske Consulting (2000), Flora and Vegetation Assessment of Lot 1029 and Bushplan Site

325, City of Joondalup, prepared for The Planning Group (survey conducted in June 2000)

• Bowman Bishaw Gorham (2002), Vegetation and Flora Assessment Pt Lot 1029, Lots 1032 and

1033 Ocean Reef Road, Ocean Reef, prepared for City of Joondalup (surveys conducted in April

& May 2002)

• Natural Area Management Services (2008), Vegetation Condition, Ecological Community and

Flora Search Report, Ocean Reef Marina, prepared for the City of Joondalup (surveys conducted

19 & 23 September 2008)

• SMEC Australia Limited & Natural Area Management Services (2009), Additional Flora Survey,

Northern Portion of Proposed ORM Development Site, prepared for the City of Joondalup (survey

conducted September 2009)

• Mattiske Consulting (2013), Level 2 Flora and Vegetation Survey of the Proposed Ocean Reef

Marina Survey Area, prepared for Strategen on behalf of City of Joondalup (surveys conducted 14

to 17 October 2013).

Given previous mapping was undertaken in 2013, an additional walkover was completed in Spring 2019 by

Strategen-JBS&G to confirm the results of the previous mapping undertaken. This resulted in minor

amendments to the Mattiske (2013) mapping. This survey also supported the identification of potential

rehabilitation sites which is a requirement of the ‘in principle’ approved Negotiated Planning Outcome

(NPO) to mitigate impacts to Bush Forever (see Section 3.5.3).

3.5.2 Regional context

The Site is located in the South Western Botanical Province of Western Australia, in the Darling Botanical

District and the Swan Coastal Plain subregion of the Drummond Botanical District (Mattiske 2013).

Vegetation types of the Site are dominated by the Quindalup vegetation complex, with some influence from

the Cottesloe vegetation complex: Central and South, and Karrakatta vegetation complex: Central and

South (Mattiske 2013).

The Quindalup Complex is restricted to the coastal dunes. Here, the vegetation differs in its structure and

species composition from one area to another. The resulting mosaic largely reflects variation in the dunal

environment in association with soil and topographic factors and the degree of shelter from salt laden

winds.

The Cottesloe Complex: Central and South supports heaths on limestone outcrops. The deeper sands

support a mosaic of tuart woodland and an open forest of tuart, jarrah and marri.

The Karrakatta Complex: Central and South consists predominately of an open tuart, jarrah and marri

forest, commonly supporting Banksia attenuata, Banksia menziesii, Banksia grandis and Allocasuarina

fraseriana. Shrubs include Jacksonia sternbergiana, Jacksonia furcellata, Acacia Cyclops, Acacia saligna,

Hibbertia spp., Allocasuarina humilis, Calothamnus quadrifidus and Grevillea preissii subsp. preissii

(Mattiske 2013). In the deeper sands the tuart is replaced by jarrah, with marri on the moister areas.

3.5.3 Bush Forever

The Site is located adjacent BF 325 – a semi contiguous coastal strip of native vegetation between Burns

Beach and Hillarys and covers approximately 195.3 ha of bushland. BF 325 represents a linkage between

adjacent bushland to the east recognised as part of a regionally significant fragmented bushland/wetland

linkage (Government of Western Australia 2000).



19-Dec-19 14

Approximately 26 ha of the Site (of which approximately 9.5 ha is completely cleared) was previously

located within BF 325. MRS Amendment 1270/41 has resulted in removal of the Site from BF 325, with

impacts being offset through a NPO.

An NPO was developed for impacts to Bush Forever to support the MRS amendment, in accordance with

State Planning Policy 2.8 Bushland Policy for the Perth Metropolitan Region (SPP 2.8). The NPO

comprised the following mitigation package:

1. 90% land acquisition: Provision of funding to Department of Biodiversity Conservation and

Attractions for the acquisition and management of land into the conservation estate. The land

acquired will comprise coastal vegetation in similar or better condition and with similar or higher

conservation value than the area to be cleared.

2. 10% rehabilitation within BF 325: Rehabilitation of 5 ha of degraded vegetation within BF 325.

A suitable offset site that achieves the site selection criteria outlined in the NPO has been identified and

acquired. DevelopmentWA is committed to ensuring the rehabilitation component of the NPO is

undertaken. A Rehabilitation Plan is expected to be a condition of the future subdivision approval, and is

currently being prepared.

3.5.4 Vegetation communities

A total of nine vegetation communities were defined and mapped across the Site by Mattiske (2013), and

an additional vegetation type was identified by a Senior Botanist from Strategen-JBS&G on 7 November

2019 during a site walkover undertaken to verify the accuracy of mapping undertaken by Mattiske (2013).

The vegetation communities are described in Table 3-1 and shown in Figure 3-5. Unmapped vegetated

areas within the IS boundary within Figure 3-5 will not be impacted by the development and will remain as

Bush Forever.

Table 3-1: Vegetation types across the Site

Vegetation Community

Description Area (ha)

Heath

H1 Low open scrubland to heath of Acacia cyclops, Acacia rostellifera, Spyridium globulosum and Templetonia retusa over Scaevola crassifolia, Olearia axillaris, Myoporum insulare and Rhagodia baccata subsp. dioica over Acanthocarpus preissii, Threlkeldia diffusa, Senecio pinnatifolius and Frankenia pauciflora over Lepidosperma gladiatum, Spinifex longifolius, Sporobolus virginicus and mixed exotics on white sands or light grey sands of fore-and primary dunes with frequent limestone outcropping.

7.33

H2 Open heath of Melaleuca systena, Acanthocarpus preissii, Leucopogon insularis and Acacia lasiocarpa var. lasiocarpa with emergent Acacia rostellifera and Santalum acuminatum over Lomandra maritima, Conostylis bracteata (P3), Poa drummondii and mixed exotics on grey sands of secondary dune slopes.

0.69

H3 Closed heath of Acacia lasiocarpa var. lasiocarpa, Cryptandra mutila, Leucopogon insularis and Melaleuca systena over Comesperma confertum, Gompholobium tomentosum and Opercularia vaginata over Lepidosperma pubisquameum, Dianella revoluta var. divaricata and mixed exotics on light grey sands of secondary dune slopes.

0.03

H4 Low open scrub to heath of Acacia rostellifera, Spyridium globulosum and Acacia saligna over Melaleuca systena, Acanthocarpus preissii, Olearia axillaris, Phyllanthus calycinus and mixed exotics on white to light grey sands of primary and secondary dune crests.

0.41

Shrublands and scrublands

S1 Mid closed scrubland of Acacia rostellifera and Melaleuca huegelii with occasional emergent Banksia sessilis var. cygnorum over Spyridium globulosum, Rhagodia baccata subsp. dioica and Hibbertia cuneiformis over Acanthocarpus preissii, Clematis linearifolia, Hardenbergia comptoniana and mixed exotics on deep grey sands of primary and secondary dunes.

3.90

S2 Tall shrubland of Banksia sessilis var. cygnorum, Spyridium globulosum, Santalum acuminatum and Acacia saligna with occasional emergent Eucalyptus todtiana over Rhagodia baccata subsp. dioica, Alyogyne huegelii and Trymalium odoratissimum over Conostylis bracteata (P3), Desmocladus asper, Lepidosperma pubisquameum and mixed exotics on deep grey or brown sands of secondary dune swales.

0.22



19-Dec-19 15

Vegetation Community

Description Area (ha)

S3 Tall shrubland of Spyridium globulosum, Acacia rostellifera , Banksia sessilis var. cygnorum and Santalum acuminatum over Phyllanthus calycinus, Hibbertia hypericoides and Melaleuca systena over Clematis linearifolia, Austrostipa flavescens, Desmocladus flexuosus and mixed exotics on light grey or brown sands of secondary dune swales.

2.18

S4 Mid to tall scrubland of Acacia rostellifera, Spyridium globulosum, Templetonia retusa, Melaleuca huegelii and Melaleuca cardiophylla over Leucopogon parvifolius, Thomasia cognata, Acanthocarpus preissii, Phyllanthus calycinus and mixed exotics on grey sands of secondary dunes with frequent limestone outcropping.

1.87

S5 Tall closed shrubland of Acacia cochlearis, Acacia cyclops, Acacia rostellifera, Allocasuarina lehmanniana subsp. lehmanniana, Melaleuca huegelii and Templetonia retusa over Melaleuca systena, Scaevola crassifolia and mixed exotics on grey sands of secondary dune swales with frequent limestone outcropping.

2.23

Woodland

Tuart Woodlands

Low woodland of Eucalyptus gomphocephala over mixed native and introduced species. 0.07

Other

BSL Bare sand/limestone. 2.61

DS Degraded dune swale. 0.23

FR Foredune rehabilitation. 0.35

CL Cleared. 9.22

Source: Mattiske 2013; Strategen-JBS&G

3.5.5 Vegetation condition

Vegetation condition was assessed as part of all recent flora and vegetation investigations. The most

recent investigation by Mattiske (2013) covered the Site and areas to the east and south (Figure 3-6).

Investigations undertaken by Mattiske (2013) have characterised vegetation condition in the vicinity of the

Site as ranging from completely degraded (cleared) to excellent with the majority of the survey area being

in Good to Very Good condition based on the Keighery (1994) vegetation condition scale (Figure 3-6).

Widespread and sustained weed invasions have resulted in high weed densities and have replaced native

understory in many instances.

The Site has been subject to disturbance from human activity which is evidenced through the presence of

numerous tracks, the majority open to pedestrian and cycle traffic. A dual-use path runs from the north of

the subject site before re-starting at the southern end of the Site and continuing along the coast (Natural

Area Management Services 2008).



19-Dec-19 16

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19-Dec-19 21

3.5.6 Flora

A total of 137 vascular plant taxa which are representative of 105 plant genera and 43 plant families were

recorded within the survey area by Mattiske (2013). Of the 137 plant taxa recorded within the survey area,

49 species (36%) were introduced. The high percentage of introduced species is considered to reflect the

fragmentation of the Site, historical clearing and dumping of refuse, as well as proximity to residential

areas.

No Threatened flora species have been identified within the Site during surveys, including the most recent

spring survey undertaken by Mattiske (2013). Mattiske (2013) recorded two state listed Priority flora

species: Grevillea sp. Ocean Reef (Priority 12

) and Conostylis bracteata (Priority 33

). Conostylis bracteata

is relatively common and the proposed development is unlikely to alter the conservation status of this

species. Grevillea sp. Ocean Reef is less well conserved and this is the only known population of the

Ocean Reef species in the database of the Western Australian Herbarium. However, the mapped

locations of Grevillea sp. Ocean Reef occur outside of the Development area (Mattiske 2013).

3.5.7 Vegetation Communities

No State listed Threatened Ecological Communities (TECs) have been identified as existing on the Site.

Three Priority 3 Priority Ecological Communities (P3 PECs) were inferred by Mattiske (2013) to occur on

the Site, being:




Parks and Wildlife categorises PECs according to their conservation priority, using five categories. The

three P3 PECs identified on site are currently listed (DBCA 2019) as ‘communities that are known from

several to many occurrences, a significant number or area of which are not under threat of habitat

destruction or degradation’.

It is noted that SCP 24: ‘Northern Spearwood shrublands and woodlands’ is listed (within the approved

conservation advice (TSSC 2016)) as a Floristic Community Type (FCT) with relationships to the EPBC

Act listed ‘Banksia Woodlands of the Swan Coastal Plain’ threatened ecological community. However,

vegetation within the Site does not contain any of the four diagnostic Banksia species, and therefore does

not meet the criteria to be classified as the EPBC Act listed TEC.

2

Species that are considered by DBCA to be 'known from one or a few locations (generally five or less) which are potentially at risk'.

3

Species that are considered by DBCA to be poorly known and ' known from several locations, and the species does not appear to be under imminent threat, or from few but widespread locations with either large population size or significant remaining areas of apparently suitable habitat, much of it not under imminent threat'.



19-Dec-19 22

3.6 Fauna

A Level 1 fauna assessment was undertaken by Western Wildlife in 2008, including a desktop assessment

and site survey. Based on available habitat, only four conservation significant species were considered

likely to occur in the Development area: Carnaby’s Black-Cockatoo, Rainbow Bee-eater, Black-Striped

Snake and Quenda (Western Wildlife 2008).

Carnaby’s Black-Cockatoo

Carnaby’s Black-Cockatoo (Calyptorhynchus latirostris) is listed as Endangered under the Commonwealth

Environment Protection and Biodiversity Conservation Act 1999 (EPBC Act) and the State Biodiversity

Conservation Act 2016. This species is endemic to the south-west of Western Australia, mainly occurring

in uncleared remnant native eucalypt woodlands, especially those that contain Salmon gum and wandoo,

and in shrubland or kwongan heathland dominated by Hakea, Dryandra, Banksia and Grevillea species

(DSEWPaC 2012).

The Development area does not contain any trees suitable for Carnaby’s Black-Cockatoo nesting hollows.

However, it does contain a number of flora species that may be used as food sources, primarily Banksia

sessilis. Accordingly, it is expected that Carnaby’s Black-Cockatoo will not reside in the Site area but may

visit the Site to feed.

Approximately 0.43 ha of suitable foraging habitat for Carnaby’s Black-Cockatoo will be cleared as a result

of the Development (Strategen 2016b, Figure 3-7). This potential habitat ranges in condition from

Degraded to Very good.

The Development was referred under the EPBC Act and resulted in a “Not a Controlled Action” decision (4

July 2014).

Rainbow Bee-eater

The Rainbow Bee-eater (Merops ornatus) is listed as Marine under the EPBC Act and is afforded

protection in marine areas. The Rainbow Bee-eater is a common summer visitor to Perth, where it breeds

in sandy banks (Western Wildlife 2008). This species will forage and breed in relatively degraded areas

and is likely to be a breeding visitor to the Development area. Development of the Site may result in the

loss of some nesting sites; however, the Rainbow bee-eater is common with a broad distribution and

populations of this species are unlikely to be significantly affected by the Development.

The Development was referred under the EPBC Act and resulted in a “Not a Controlled Action” decision (4

July 2014).

Black-striped Snake

The Black-striped Snake (Neelaps calonotos) is a DBCA State listed Priority 3 listed species restricted to

coastal plains between Mandurah and Lancelin and as such is vulnerable to habitat loss, primarily resulting

from urban development (Western Wildlife 2008). The Black-striped Snake is known to occur in Banksia

and Eucalyptus woodlands, as well as sandy areas. The species has the potential to occur in within the

Site as suitable habitat exists; the Development therefore has the potential to result in the loss of some

habitat.

Quenda

The Quenda is known to occur in areas with dense understorey and is often particularly common in dense

wetland vegetation (Western Wildlife 2008). The Quenda has been recorded in proximity to the Site as

identified in the Parks and Wildlife Threatened and Priority Fauna database (Western Wildlife 2008).

Characteristic diggings of the species were not observed within the Site, however Quenda may occur. The

Development therefore has the potential to result in loss of some habitat (Western Wildlife 2008).

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FIGURE 3-7

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Improvement schemeboundary

Potential Carnaby's BlackCockatoo habitat

Drawn By: cthatcher


POTENTIAL CARNABY’SBLACK-COCKATOO HABITAT



19-Dec-19 24

3.7 Social environment

3.7.1 Indigenous heritage

The Site has been subject to five Aboriginal heritage surveys, which did not identify any registered sites

within the subject site.

The closest registered Aboriginal site is located approximately 1 km south of the subject site (Aboriginal

Site ID 3673 containing artefacts/scatter) and will not be impacted by the Development.

There are currently no known Aboriginal sites or historical heritage sites within the Development area

(AHMS 2015). The potential for sub-surface Aboriginal or historical archaeological sites is generally low

(AHMS 2015).

Table 3-2: Aboriginal heritage surveys incorporating the Site

Survey date Survey title Survey conducted by Survey purpose

1 April 1970 An Archaeological survey project: the Perth Area, Western Australia

University of Western Australia Archaeological and Ethnographic

1 January

1994

Ballaruk Aboriginal site recording project

Heritage Council of Western Australia

Ethnographic

1 July 1997 Cultural Significance of Aboriginal sites in the Wanneroo area – Final report

Australian Heritage Commission and Heritage Council of Western Australia

Ethnographic

17 June

2005

Study of Groundwater – related Aboriginal Cultural Values on the Gnangara Mound, Western Australia

Department of Environment Ethnographic

20-21 January 2015

Ocean Reef Marina: Indigenous and European Heritage Investigation

Archaeological and Heritage Management Services

Historical and Indigenous archaeological, anthropological

3.7.2 European heritage

There are no historical heritage places within the Site currently included on the State Heritage Register

(AHMS 2015).

A potential Vergulde Draeck inscription is located on the site (AHMS 2015). The Vergulde Draeck

inscription is a rock engraving located on the beach foredune in the northern portion of the Site, which

originally bore the words “VERGULDE DRAECK 1656” and was purportedly left behind by shipwrecked

Dutch sailors (AHMS 2015). The inscription is considered to be a hoax but is included on the WA Maritime

Museum Shipwrecks database and on the State Heritage Office inHerit database (AHMS 2015). AHMS

(2015) recommends that consultation be undertaken with the WA Maritime Museum and State Heritage

Office WA prior to any removal or relocation of the inscription.

3.8 Bushfire risk

A Bushfire Management Plan (BMP) has been prepared to support the IS application to address

requirements under Policy Measure 6.3 of State Planning Policy 3.7 Planning in Bushfire-Prone Areas

(SPP 3.7; WAPC 2015) and Guidelines for Planning in Bushfire-Prone Areas (the Guidelines; WAPC

2017). Findings of the Bushfire Hazard Level (BHL) assessment demonstrate that all future habitable

development will be located on land with either a Low or Moderate BHL, which is considered manageable

through design measures (Strategen-JBS&G 2019).

The BMP has been provided as a standalone document with the IS.



19-Dec-19 25

4. Potential impacts, management and mitigation

This section addresses both the potential impacts of the terrestrial portion of the Development on the

environment and the effect of the environment on the Development and the mitigation and management of

these impacts. The primary mitigation of impacts associated with the Development is the minimisation of

impacts outside of the Concept Plan boundary. There will be no drainage works and only minor clearing

for road battering, outside of the Development.

4.1 Landform and topography

4.1.1 Concept Plan consideration

The Site is characteristic of a typical coastal landscape with undulating sand dunes and steep limestone

adjacent to the coastline. Previous development of the Site has resulted in earthwork activity of a portion

of the Site to form car parks and other facilities. Additional earthworks will be required to ensure that the

Site is suitable for the proposed development. The landform and topography of the Site is not considered

a constraint to development, however this will be confirmed through future geotechnical investigations.

4.1.2 Management

Earthworks required to create a developable landform will be predominantly kept within the Concept Plan

boundary, with some minor battering required outside the boundary. To avoid impacts to native

vegetation, any earthworks required to extend beyond the Concept Plan boundary into BF 325 will be

revegetated with native vegetation. The required earthworks will be assessed through the planning

approval process and will subject to a native vegetation clearing permit under Part V of the EP Act, unless

a valid exemption applies.

Management of the landform will include creation of appropriate batter grades, as well as stabilisation

techniques where necessary (such as planting of batters with native vegetation).

4.1.3 Potential environmental outcomes

While the Site will be altered topographically, the topography of the remaining BF 325 will not be impacted

beyond the extent required for minor battering.

4.2 Soils and geology


The primary constraint from a geological perspective is the potential presence of karst, which may increase

building costs where karstic formations reduce the strength of the underlying limestone rock. Geotechnical

investigations will be carried out within the Site to determine compatibility of the Site soils and geology, and

the Development.

A preliminary assessment for ASS was undertaken, consistent with the Acid Sulfate Soils Planning

Guidelines (WAPC 2008). Due to the presence of limestone and lack of wetland features, acid sulphate

soils were considered highly unlikely occur on the Site and are not considered a constraint to development.

Onshore site contamination appears to be limited to localised areas of dumping which may contain PACM

(Strategen 2015).

4.2.2 Management

Structural design guidelines will be developed where required at the subdivision stage to address any

residual issues associated with karst. The geotechnical investigation report will detail any management

measures required in terms of soils and geology, in relation to the proposed Development.



19-Dec-19 26

The Proponent will ensure that PACM is appropriately managed to mitigate risks to construction workers

and future occupants. This may involve removal of PACM from Site and disposal to an appropriately

licensed landfill by a licensed asbestos removal contractor. Once removed, soil testing should be

undertaken to validate the effectiveness of the removal process. Removal of top soil may be required to

ensure all PACM is accounted for. This will be managed in a manner consistent with the DER Guideline

Assessment and Management of Contaminated Sites (DER 2014) and Assessment, Remediation and

Management of Asbestos-Contaminated Sites in Western Australia (DEC and DoH 2009) consistent with

the Contaminated Sites Act 2003. This work will be undertaken as part of the subdivision process.


The measures outlined above are considered adequate to mitigate and manage the impact of soil and

geological constraints on the Development. These impacts are anticipated to be easily managed at the

subdivision stage.

4.3 Groundwater and surface water


Depth to groundwater on the Site is generally greater than 2 m (Strategen-JBS&G 2019). Wetlands and

terrestrial surface waters are not present on the Site.

4.3.2 Management

The Ocean Reef Marina Local Water Management Strategy (LWMS) requires that the 1 in 1-year ARI

event (excepting roof water) is treated and infiltrated on the Site through a mixture of the water sensitive

urban design (WSUD) devices, to manage potential impacts on water quality to the terrestrial and marine

environment (Strategen-JBS&G 2019). The LWMS and subsequent Urban Water Management Plan

document(s) will provide guidance on the management of stormwater on the Site.

The presence of groundwater and likely impacts of increasing sea levels on groundwater levels have been

considered through the preparation of the LWMS, which has set a Design Groundwater Level (DGL) from

which finished levels have been assessed (Strategen-JBS&G 2019). The DGL will be set at the maximum

groundwater level (MGL) (Section 3.3.3). Basements will be allowed below the DGL provided these are

designed as ‘tanked’ or waterproof basements (Strategen-JBS&G 2019). Depth to groundwater is not

considered a constraint to development on the Site in terms of building construction or stormwater

management.

The development will incorporate WSUD to ensure that water quality on the Site is maintained post-

development.


With the implementation of the LWMS, the OCERM development is not anticipated to impact on terrestrial

or marine water quantity and quality.

4.4 Vegetation and flora


Flora and vegetation will be directly impacted within the Site as a result of clearing necessary for the

Development. The impacts of the Development include:

• clearing of 16.79 ha of vegetation in varying condition from Degraded to Excellent (plus some

additional clearing associated with battering into BF325)

• removal of Priority 3 flora species Conostylis bracteata



19-Dec-19 27

• clearing of vegetation in association with inferred Priority Ecological Communities

• partial interruption of north south linkage values of BF 325

• potential for indirect impacts on the remaining BF 325 through introduction and spread of weeds,

dust generation during earthworks and increased incidence/frequency of fire (Strategen 2016b).

Locations known to contain the Priority 1 species Grevillea sp. Ocean Reef have been avoided. The

majority of locations where Conostylis bracteata (Priority 3) occurs will also be avoided.

The total area of land within the concept plan boundary comprises approximately 19.67 ha of vegetation,

of which approximately 19 ha is native vegetation, 0.36 ha is planted foredune rehabilitation vegetation

(FS) and 0.23 ha is degraded dune swale (DS). The remainder of the site is cleared, bare sand or

limestone.

The Development has been located, where possible, to utilise existing cleared and degraded areas of

vegetation. Table 4-1 provides a breakdown of vegetation condition within the project area.

Table 4-1: Vegetation condition of proposed clearing within the Site

Vegetation condition Area (ha) Proportion

Bare sand / limestone 2.42 7.71%

Cleared 9.30 29.62%

Degraded 1.13 3.59%

Degraded to Good 2.92 9.30%

Good 5.10 16.24%

Very Good 7.06 22.49%

Very Good to Excellent 0.39 1.24%

Excellent 3.07 9.78%

TOTAL 31.39 100%

4.4.2 Management and mitigation

Impacts to BF 325 will be minimised as far as practicable through the following management techniques:

1. Retention of a north-south linkage of remnant vegetation between Ocean Reef Rd and the Concept

Plan area (with the exception of entry roads).

2. The Concept Plan boundary was designed to avoid areas of Excellent vegetation to the northeast of

the existing Boat Harbour.

3. The Concept Plan area was decreased from early proposed designs (as shown in Mattiske 2013) to

minimise vegetation clearing and the Concept Plan boundary was moved slightly west near the

entrance from Hodges Drive.

4. A Construction Environmental Management Plan (CEMP) will be prepared to support subdivision and

will include vegetation clearing protocols which ensure that there are no indirect impacts to adjacent

vegetation outside the Proposal boundary.

In its decision not to assess the MRS amendment for the Development, the EPA noted that the WAPC

required an NPO that secures an appropriate conservation outcome before final approval of the MRS

Amendment is given. The NPO was released for public comment as part of the MRS Amendment.

The NPO comprised the following mitigation package:

1. 90% land acquisition: A suitable offset site that achieves the site selection criteria outlined in the

NPO has been identified and acquired by DevelopmentWA. The offset site comprises coastal

vegetation in a similar or better condition and with similar or higher conservation value. The site will

be transferred to WAPC/DBCA to purchase the site.

2. 10% rehabilitation within BF 325: A Rehabilitation Plan is currently being prepared for the 10% (5 ha)

of degraded vegetation within BF 325. DevelopmentWA is committed to ensuring the rehabilitation

component of the NPO is undertaken.



19-Dec-19 28


With the implementation of the NPO, the potential impacts of the Development on vegetation and flora

within BF 325 will be mitigated. The NPO provides an overall positive environmental outcome with local

improvement of BF 325 and an increase in the area of coastal vegetation protected in the conservation

estate.

It is noted that some additional minor clearing is required into BF 325 as a result of battering from the

Development. The additional area required to be cleared will be confirmed through detailed design at

future planning stages. The required earthworks will be assessed through the planning approval process

and will subject to a native vegetation clearing permit under Part V of the EP Act, unless a valid exemption

applies.

4.5 Fauna


The clearing of vegetation associated with the Concept Plan will result in a loss of habitat for native

species potentially present in the area.

Approximately 3.17 ha of suitable foraging habitat for Carnaby’s Black-Cockatoo was identified within the

fauna study area (Strategen 2014). Approximately 0.43 ha of suitable foraging habitat for Carnaby’s

Black-Cockatoo will be cleared within the Development area (Strategen 2014). This potential habitat

ranges in condition from Degraded to Very Good.

Additionally, suitable habitat was identified for the rainbow bee-eater (EPBC Act listed Marine species), the

Black-striped Snake and the Quenda.

4.5.2 Management and mitigation

During clearing, a fauna spotter can be present on site to identify and move any ground dwelling fauna

such as quenda to the surrounding vegetation to ensure that fauna are not injured. Rehabilitation of

vegetation in the vicinity of the Development as part of the NPO will improve the quality of habitat in the

surrounding area.

In the event that any Rainbow Bee-eater nesting burrows are identified within the Site, these will be

inspected for active breeding prior to ground disturbing activities.

Landscaping of POS can include the use of native tree and shrub species which will create some habitat

value within the Development. It is noted that landscaping will be required to consider any bushfire

implications to the proposed Development and therefore habitat creation may be limited in certain parts of

the Development.


The clearing proposed represents approximately 14% of the 195.3 ha of bushland within the BF 325 site.

The north-south connectivity of BF 325 will be retained through the area to the east of the Site. BF 325 will

consequently remain a connective link for local fauna. While the number of animals utilising the Site may

be reduced, the rehabilitation of the surrounding areas will mitigate the impact to habitat in the local area.



19-Dec-19 29

4.6 Bushfire risk


The Concept Plan for the proposed Development achieves the criteria outlined in the Guidelines for

Planning in Bushfire Prone Areas (WAPC 2017). Adequate separation is provided between proposed

habitable buildings and coastal vegetation via an Asset Protection Zone (APZ) in the form of public roads,

driveways and car parks surrounding proposed buildings. Bushfire protection criteria for location, siting

and design of development, vehicular access and water supply as per SPP 3.7 will be achieved as

detailed in the BMP supporting the IS (Strategen-JBS&G 2019).

4.6.2 Management

To achieve compliance with the full suite of bushfire planning requirements, the following items will be

implemented in the detailed design phase:

• location of habitable buildings in areas that have a Bushfire Attack Level (BAL) rating of BAL-29

or lower

• where required (residential buildings), construction of proposed buildings to relevant BAL rating

construction standards as per AS3959

• provision of appropriate vehicle access including a minimum of two access/egress points in

different directions

• provision of adequate water for fire-fighting purposes

• maintaining appropriate fuel loads within Asset Protection Zones within roadways (Strategen-

JBS&G 2019).

These measures are detailed in the BMP, which will be updated as required to support future planning

stages.


Provided that these management measures are implemented at the subdivision/ development stage, the

development is anticipated to meet the bushfire planning and management requirements of SPP3.7 and

the associated Guidelines.

4.7 Construction management

4.7.1 Aspects requiring management

Management of terrestrial construction will be addressed through the preparation of a Construction

Environmental Management Plan (CEMP) at the subdivision stage. Aspects of terrestrial construction to

be addressed in the CEMP include protocols for management of:

• noise and vibration

• dust management

• vegetation and terrestrial fauna management, including clearing management

• surface and groundwater management

• waste management

• hydrocarbons and hazardous material management

• Cultural Heritage management

• fire management

• access and visual amenity management.



19-Dec-19 30

The CEMP will also outline the roles and responsibilities of the construction team with respect to

environmental management. Separate construction management plans will be developed for the marine

portion of the Development, based on the outcomes of the PER process.

4.7.2 Management framework

For each aspect, potential impacts, performance objectives and indicators, proposed management

measures (control measures), monitoring and reporting, and contingency plans will be identified and

discussed in detail within the relevant protocols.

Environmental incidents or public complaints related to environmental matters will be managed through an

Environmental Incident Response Management Protocol.

Adherence to the protocols within the CEMP will be a condition of any construction contracts.

4.8 Other matters

4.8.1 Noise

The Site is located west of a residential area and there are currently are no significant noise sources in the

vicinity of the Site. The Development is not anticipated to be a significant source of noise, except

potentially during the construction phase. The Site is adjacent to a residential area and therefore has the

potential to impact on residents and other sensitive receptors within these areas. The Development will be

subject to provisions of the Environmental Protection (Noise) Regulations 1997 whereby assigned noise

levels will be used to determine the likely impacts of noise on sensitive receptors.

Under the regulations, construction activities are not subject to assigned levels where they take place from

7am to 7pm Monday to Saturday (not Sunday or public holidays). Construction activities are required to be

undertaken in accordance with control of noise practices set out in Australian Standard 2436-1981 Guide

to Noise control on Construction, Maintenance and Demolition Sites.

Once established, the Development will also be subject to provisions of the Environmental Protection

(Noise) Regulations 1997. These Regulations will be considered in the approval of marine industry,

commercial and entertainment land uses within the Development area.

4.8.2 Heritage

The Site does not contain any areas of Aboriginal or European heritage significance. The purported

Vergulde Draeck inscription is considered to be a hoax. Consultation will be undertaken with the WA

Maritime Museum and State Heritage Office WA prior to any removal or relocation of the inscription.

As such, impacts on heritage are not anticipated as a result of the Development.



19-Dec-19 31

5. Summary and conclusions

An environmental evaluation of the terrestrial portion of the Development was undertaken, including an

assessment of existing environmental characteristics of the Site and management and mitigation

measures. In summary, the outcomes of the environmental assessment were:

1. The landform, topography and groundwater conditions are not considered a constraint to site

development. Earthworks will not occur outside of the Concept Plan boundary, with the exception of

minor road battering into BF Site 325.

2. Karstic formations such as solution channels and caverns may occur in the area, but the risk of these

to the development is considered to be manageable. Additional geotechnical investigations will be

undertaken prior to subdivision to ensure that appropriate management measures and building

design techniques are undertaken to manage geotechnical risks.

3. The soils on the site are predominantly calcareous, therefore acid sulphate soils are not anticipated

to occur in the terrestrial portion of the Site.

4. A Detailed Site Investigation has been undertaken which concludes that potential contamination of

the Site is limited to isolated areas containing Potential Asbestos Containing Material (PACM) due to

illegal dumping on the site. This material can be managed through the subdivision process.

5. Vegetation condition on the Site ranges from Completely Degraded (cleared) to Excellent with the

majority (62%) of the total vegetation in Good to Very Good condition, which represents 38.7% of the

total land area within the Concept Plan boundary.

6. Three Priority 3 Priority Ecological Communities (PECs) occur on the Site, being:




7. The Development required the excision of approximately 26 ha from Bush Forever.

8. An was prepared to support the MRS amendment which mitigates the proposed clearing within

BF 325, incorporating land acquisition for conservation purposes and rehabilitation of vegetation

surrounding the Development within BF 325.

9. The Site includes a small area (0.43 ha) of Black-Cockatoo foraging habitat that will be cleared as

part of the Development. The Site does not contain any trees suitable for Black-Cockatoo nesting

hollows. The impact of this clearing on Black-Cockatoo has been considered ‘not a controlled action’

under the EPBC Act.

10. The Site contains potential habitat for Quenda, the Black-striped snake and the Rainbow Bee-eater.

11. Impacts on fauna will be mitigated and offset through pre-clearing fauna inspections, rehabilitation

and land acquisition proposed under the NPO.

12. Bushfire risk will be managed through adherence to the SPP3.7 (WAPC 2015) and Guidelines for

Planning in Bushfire Prone Areas (WAPC 2017).

13. A CEMP will be prepared to address the management of terrestrial construction activities on the Site,

including clearing and earthworks.

The environmental impacts of the terrestrial portion of the Development are considered to be able to be

managed through the mitigation and management measures described above.

Environmental assessment and management of the marine portion of the Development has been

assessed by the EPA via a PER,and approved subject to conditions set in Ministerial Statement 1107.



19-Dec-19 32

6. References

Australian and New Zealand Environment and Conservation Council (ANZECC) & Agriculture and

Resource Management Council of Australia and New Zealand (ARMCANZ) 2000, Australian

Guidelines for Water Quality Monitoring and Reporting, National Water Quality Management Strategy

Paper No. 7, Canberra.

Archaeological and Heritage Management Solutions (AHMS) 2015, Indigenous and European Heritage

Investigation, Archaeological Report (Draft), unpublished report to City of Joondalup, March 2015.

Bowman Bishaw Gorham 2002, Vegetation and Flora Assessment Pt Lot 1029, Lots 1032 and 1033

Ocean Reef Road, Ocean Reef, report prepared for City of Joondalup.

Bureau of Meteorology (2019a) Climate Data Online- Hillarys Boat Harbour NTC AWS Station,

Commonwealth of Australia, Available from <http://www.bom.gov.au/climate/data. [20 November

2019].

Bureau of Meteorology (2019b) Climate Data Online- Tamala Park (Mindarie) Station, Commonwealth of

Australia, Available from <http://www.bom.gov.au/climate/data. [20 November 2019].

Department of Biodiversity, Conservation and Attractions 2019, Priority Ecological Communities for

Western Australia Version 28. Available via: https://www.dpaw.wa.gov.au/images/documents/plants-

animals/threatened-

species/Listings/Priority%20ecological%20communities%20list%20_Jan%202019.pdf

Department of Environment and Conservation (DEC) 2010, Definitions, Categories and Criteria for

Threatened and Priority Ecological Communities, Government of Western Australia, Perth.

Department of Environment and Conservation and Department of Health (DEC and DoH) 2009,

Assessment, Remediation and Management of Asbestos-Contaminated Sites in Western Australia,

Government of Western Australia, Perth.

Department of Environment Regulation (DER) 2014, Guideline Assessment and Management of

Contaminated Sites, Government of Western Australia, Perth.

Department of Parks and Wildlife 2014, Conservation Codes for Western Australian Flora and Fauna,


Department of Planning, Department of Fire and Emergency Services and Department of Planning (DoP,

DFES and WAPC) 2015, Guidelines for Planning in Bushfire Prone Areas, Western Australian

Planning Commission, Western Australia.

Department of Transport 2010, Sea Level Change in Western Australia: Application to Coastal Planning,

Department of Transport, Perth.

Golder Associates 2015, Preliminary Geotechnical Investigation: Ocean Reef Marina, unpublished report

to City of Joondalup, September 2015.

Government of Western Australia (2000), Bush Forever Volume 2 – Directory of Bush Forever sites,

Available from hhtp://www.planning.wa.gov.au/publications/5911.asp.

Keighery B 1994, Bushland plant survey: a guide to plant community survey for the community, Wildflower

Society of Western Australia, Perth, Western Australia.

Landgate 2014, Map Viewer [Online], Western Australian Land Information Authority, Available from:

https://www.landgate.wa.gov.au/bmvf/app/mapviewer/ [8 Jan 2015].

Mattiske Consulting 2000, Flora and Vegetation Assessment of Lot 1029 and Bushplan Site 325, City of

Joondalup, report prepared for The Planning Group.

https://www.dpaw.wa.gov.au/images/documents/plants-animals/threatened-species/Listings/Priority%20ecological%20communities%20list%20_Jan%202019.pdf



https://www.landgate.wa.gov.au/bmvf/app/mapviewer/



19-Dec-19 33

Mattiske Consulting 2013, Level 2 Flora and Vegetation Survey of the Proposed Ocean Reef Marina

Survey Area, report prepared for Strategen.

Natural Area Management Services 2008, Vegetation Condition, Ecological Community and Flora Search

Report, Ocean Reef Marina, report prepared for the City of Joondalup.

SMEC Australia Limited & Natural Area Management Services 2009, Additional Flora Survey, Northern

Portion of Proposed ORM Development Site, report prepared for the City of Joondalup.

Standards Australia 1981, Australian Standard 2436-1981 Guide to Noise control on Construction,

Maintenance and Demolition Sites, Standards Australia, Canberra.

Standards Australia (SA) 2009, Australian Standard AS 3959–2009 Construction of Buildings in Bushfire-

prone Areas, Standards Australia, Sydney.

Strategen 2014, Site Inspection – Carnaby’s Black-Cockatoo habitat mapping, internal memo dated 18

March 2014.

Strategen-JBS&G 2019, Ocean Reef Marina Development Local Water Management Strategy, report

prepared for DevelopmentWA.

Strategen 2016a, Ocean Reef Marina Development Detailed Site Investigation, report prepared for City of

Joondalup.

Strategen 2016b, Ocean Reef Marina Bush Forever Negotiated Planning Outcome, report prepared for

City of Joondalup.

Strategen-JBS&G 2019, Bushfire Management Plan (Improvement Scheme), Ocean Reef Marina, report

prepared for DevelopmentWA.

Threatened Species Scientific Committee (TSSC) 2016, Environment Protection and Biodiversity

Conservation Act 1999 (EPBC Act) (s 266B) Approved Conservation Advice (incorporating listing

advice) for the Banksia Woodlands of the Swan Coastal Plain ecological community. Available via:

http://www.environment.gov.au/biodiversity/threatened/communities/pubs/131-conservation-

advice.pdf

Western Australian Planning Commission (WAPC) 2003, Planning Bulletin No. 64 - Acid Sulphate Soils.

Western Australian Planning Commission (WAPC) 2008, Acid Sulfate Soils Planning Guidelines,


Western Australian Planning Commission (WAPC) 2015, State Planning Policy 3.7 Planning in Bushfire-

Prone Areas, Western Australian Planning Commission, Perth.

Western Australian Planning Commission (WAPC) 2017, Guidelines for Planning in Bushfire Prone Areas,

Version 1.3 August 2017, Western Australian Planning Commission, Perth.

Appendix 1

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Barnett. All areas and dimensions displayed are subject to detail survey.means, electronic, mechanical, photocopying, microcopying or recording without permission in writing from Taylor Burrell Copyright Taylor Burrell Barnett. All rights reserved. No part of this document may be reproduced in any form or by any other

0m

p:

d:

s:Ocean Reef MarinaA Landcorp Project

20 40 60m

17/074/012J

08/08/2019

1:2000@A1

REVISED PREFERRED CONCEPTTown Planning and Design

e: [email protected]

p: (08) 9226 4276 f: (08) 9322 7879

Level 7, 160 St Georges Terrace, Perth WA 6000 DRAFT Taylor Burrell Barnett

LEGEND

BUS STOP

ACCESS EASEMENT

MRS PUBLIC PURPOSE RESERVATION

MRS OTHER REGIONAL ROAD RESERVATION

BEACH

WATERWAY

OFF-STREET CAR PARKING AREA

TRAILER PARKING AREA

ROAD RESERVE

BREAKWATER (P&R RESERVE)

PUBLIC WALKWAY (P&R RESERVE)

PARKS & RECREATION RESERVE

PUBLIC OPEN SPACE

MARINE SERVICES AND CLUB

RETAIL & COMMERCIAL

MIXED USE

HIGH DENSITY RESIDENTIAL

LOW/MEDIUM DENSITY RESIDENTIAL

SITE BOUNDARY

environmental assessment and management strategy

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