˘ ˇ ˆ - der.wa.gov.au · ˇ ˛ This report (“the report”) has been prepared by Strategen Environmental Consultants Pty Ltd (Strategen) in accordance with the scope of services

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Prepared for

Baptistcare

by Strategen

November 2017

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Strategen is a trading name of

Strategen Environmental Consultants Pty Ltd

Level 1, 50 Subiaco Square Road Subiaco WA 6008

ACN: 056 190 419

November 2017

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This report (“the report”) has been prepared by Strategen Environmental Consultants Pty Ltd (Strategen) in accordance

with the scope of services set out in the contract, or as otherwise agreed, between the Client and Strategen. 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.

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In preparing the report, Strategen 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 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 has also not attempted to determine whether any material matter has been omitted from the data. Strategen

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. The making of any assumption does

not imply that Strategen 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 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.

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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.

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Report Version Revision

No. Purpose

Strategen author/reviewer

Submitted to Client

Form Date

Draft Report A Client review K Cooper, D Newsome Electronic 28/09/2017

Final Report 0 DWER submission K.Cooper Electronic 14/11/2017

Filename: BCA17325 R001 Rev 0 - 14 November 2017

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1.� Introduction 1�

1.1� Purpose 1�

1.2� Proposal 1�

1.3� Location, ownership and tenure 1�

1.4� Bush forever (negotiated planning solution) and previous clearing permits 1�

2.� Overview of existing environment 5�

2.1� Surrounding Land uses 5�

2.2� Geology and topography 5�

2.3� Hydrology 5�

2.4� Vegetation and flora 7�2.4.1� Overview 7�

2.4.2� Site survey 11�

2.4.3� Statistical analysis 11�

2.5� Fauna and habitat 16�2.5.1� General 16�

2.5.2� Black cockatoo habitat assessment 16�

3.� Assessment against ten clearing principles 19�

4.� References 23�

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Table 1: Likelihood of Threatened and Priority Flora species occurring within Project Area 7�

Table 2: Threatened and Priority Ecological Communities potentially occurring within the vicinity of the site 10�

Table 3: Vegetation type and condition 11�

Table 4: Threatened fauna species potentially occurring within Project Area 16�

Table 5: Definition of black cockatoo foraging habitat within the survey area 16�

Table 6: Vegetation types and black cockatoo foraging species within the survey area 17�

Table 7: Vegetation type and Black Cockatoo foraging habitat proposed to be impacted 19�

Table 8: Assessment against clearing principles 20�

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Figure 1: Project area 3�

Figure 2: Proposed Extension (Development Footprint) and APZ 4�

Figure 3: Wetlands 6�

Figure 4: Vegetation Complex 14�

Figure 5: Vegetation type and condition 15�

Figure 6: Black cockatoo habitat 18�

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Appendix 1 Extension Concept Plan�

Appendix 2 Certificate of Title�

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Baptistcare (the proponent) proposes to expand its facilities at the existing Graceford Residential Aged

Care Facility (RACF) which is located on 18 (Lot 108) Turner Road, Byford (the site) (Figure 1). The

extension (project area) to the facility includes:

• lounge/sitting and 24 new beds

• courtyard

• parking facilities

• connection to Water Corporation sewerage network i.e. removal of the existing onsite aerobic

wastewater treatment systems and irrigation treatment area (Appendix 1).

Bushfire analysis was completed for this site and concluded that based on the current vegetation on site,

most of the proposed extension would be classified within a Bushfire Attack Level (BAL) of BAL-FZ. In

accordance with WAPC (2017) State Planning Policy 3.7 and the associated Guidelines, development is

unacceptable within BAL- FZ of BAL 40 and the management of vegetation (i.e. vegetation thinning and

clearing) will be required to meet the standards for the Asset Protection Zones (APZ) within the northern

and western margin of the proposed extension. This will achieve the required outcome of BAL-29, which

would allow for the proposed re-development to be compliant from a bushfire risk perspective. �

This Native Vegetation Clearing Permit (NVCP) application for a purpose permit has been prepared for

assessment and approval to clear vegetation within Lot 108 Turner Road, Byford (the site) (Figure 1).

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The proponent is proposing to clear approximately 0.113 ha comprising native vegetation and mixed

introduced species (in VT3 and VT5) in Very Good to Degraded condition and thinning 0.168 ha of

vegetation in Very Good to Degraded condition (total impact footprint 0.281 ha) within the project area for

the purpose of establishing an APZ (Figure 2).

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The site is located approximately 34 km south east of the Perth CBD. The site is located within the Shire

of Serpentine Jarrahdale (the Shire) and is currently zoned ‘Urban’ under the Metropolitan Region Scheme

(MRS) and ‘Public and Community Purpose’ under the Shire’s Town Planning Scheme No. 2 (TPS No.2)

The project area is currently owned by WA Baptist Hospital and Homes Trust Inc. Certificate of Titles are

provided in Appendix 1.

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In 2000, the site (Lot 108) was identified as a Bush Forever negotiated planning solution (refer to Plate 1),

and is currently included with Bush Forever Site 321. Note that the proposed extension area resides

mostly within the development footprint (area B) identified in Plate 1 (overleaf).

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Plate 1; Bush Forever mapping (WAPC, 2000)

In early 2000, clearing permits were issued to upgrade/extend of the site (current development footprint),

which were:

• Clearing permit 955/1- mechanical clearing for 0.89ha. permit holder- Scott Hambley acting on

behalf of Baptist Care. Expired 01/12/2010. This area covered most of the existing Resource

Enhancement Wetland (REW) (UFI 15454) on site and coincided with the 2010 southern

extension of the facility

• Clearing Permit 780/1- Flora and Vegetation Management- Weeding for 0.018ha. permit holder

Scott Hambley. Expired 04/12/2007. This area covered the VT2 area in Figure 5 of memo

attached.

Figure 1: Site Location

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[email protected]

www.strategen.com.au

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Source: Existing cadastre: SLIP, landgate 2017. Nearmap Aerial 2017

Note that positional errors may occur in some areas

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Perth

Wanneroo

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Wanneroo

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Project area

Locality map

Figure 2: Proposed extension and APZ

Legend

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Area to be thinned

Potential area to be cleared

Car park

Proposed building extension

APZ

Concept design

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The Briggs Park and recreation facility is located north of the site with residential development situated in

the north east to the Project Area. Brickwood Reserve (part of Bush Forever site 321) is located to the

east, south and west of the Project Area.

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Regional Environmental Geology mapping indicates that the site part of the Guildford Formation and

consists of Clayey sand (Sc) silty in part, pale grey to brown, medium to course-grained, poorly sorted sub

angular to rounded, frequent heavy mineral, rare feldspar of alluvial origin (Jordan, 1986). Topography on

site ranges from approximately 55mAHD on the eastern margin to 50mAHD near the western cadastral

boundary (WALGA, 2017).

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The Project Area is outside the coverage are of the Department of Water and Environmental Regulation

(DWER) Perth Groundwater Atlas, therefore regional groundwater information is currently not available.

The Project Area is covered within the Byford townsite drainage and water management plan (DoW, 2008)

which indicates that groundwater level can vary significantly in the area in response to local geology

characteristic i.e. perching. Flood modelling undertaken for the 100 Year ARI indicated that the Project

Area is not subject to inundation (DoW, 2008).

Department of Biodiversity, Conservation and Attractions (DBCA) (previously Department of Parks and

Wildlife) Regional geomorphic wetland mapping depicts three REW (UFI: 15454, 14297 and 15455) within

the Project Area cadastral boundary (Figure 3).

[email protected]


Figure 3: Wetlands

Legend

Bush Forever

APZ

Area to be thinned

Geomorphic wetland

Conservation

Multiple Use

Resource Enhancement


Car park

Proposed buildingextension

Bush Forever Site: 321

UFI : 15452

UFI : 15184

UFI : 15456

UFI : 14291

UFI : 15797

UFI : 15453

UFI : 15009

UFI : 14289

UFI : 15454

UFI : 13009

UFI : 15455

UFI : 14297

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Nearmap Aerial 2017


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Vegetation occurring within the region was initially mapped at a broad scale (1: 1 000 000) by Beard during

the 1970s. The project area is located within the Beard Vegetation Association 968 (Medium woodland;

jarrah, marri & wandoo).

Based on regional vegetation complex mapping (Heddle et al, 1980) the site consists the following

vegetation complexes:

• Forrestfield Complex (Ridge Hill Shelf, Darling Plateau)

• Guildford Complex (Figure 4).

The Project area is mapped as occurring within the Guildford Complex.

The Environmental Protection Authority (EPA) (2015) has estimated that approximately 1,967 (10.3%) of

the Forrestfield Complex and approximately 3,183 ha (5.4%) of the Guildford Complex remains in the

Perth Peel Regional compared to the pre-European extent. Within the Swan Coastal Plain (SPC) area

vegetation complexes that is less than 10% of the original extent is considered to be significant with focus

on the retention of the remaining vegetation complex within the SCP (i.e. Guildford Complex).

The NatureMap (Department of Biodiversity, Conservation and Attractions-DBCA), Protected Matters

Search Tool (Department of the Environment and Energy-DotEE), threatened and priority flora and

Threatened and priority ecological communities databases were searched with buffers. The Threatened

and Priority Flora species that have been recorded or potentially occurring within the vicinity of the site are

presented in Table 1. It is noted that at the time of the report the results from the threatened and priority

flora and Threatened and priority ecological communities databases were not received from DBCA.

Table 1: Likelihood of Threatened and Priority Flora species occurring within Project Area

Species

Conservation status

Habitat Likelihood of presence within Survey Area

Recorded within Bush Forever Site 321 and Briggs Parks and Brickwood Reserve

WC Act

EPBC Act

Caladenia huegelii

T Endangered

A slender orchid 30 to 50 cm tall. One or two striking flowers characterised by a greenish-cream lower petal with a maroon tip. Other petals are cream with red or pink suffusions. Habitat for this species occurs within well-drained, deep sandy soils in low mixed Banksia, Allocasuarina and Jarrah woodlands (Western Australian Herbarium 1998-, DEE 2017b).

Unlikely. Preferred habitat not present within Survey Area.

Calectasia cyanea

T Critically Endang-ered

A rhizomatous, clump forming perennial, herb from 10 to 60 cm tall. Flowers are blue/purple and visible from June to October. Habitat for this species occurs in heathland on flat to gentle slopes on white, grey or yellow sand and gravel (Western Australian Herbarium 1998-, DEE 2017b).


Yes

Centrolepis caespitosa

P4 NA A tufted annual herb, forming a rounded cushion up to 25 mm across. Flowers in October to December. Habitat for this species occurs within white sand and clay in salt flats and wet areas (Western Australian Herbarium 1998-, DEE 2017b).


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Species

Conservation status



WC Act

EPBC Act

Diuris micrantha

T Vulnerable A slender orchid to 60 cm tall. Flowers are yellow with reddish-brown markings and visible from September to October. Habitat for this species occurs within clay-loam substrates in winter-wet depressions or swamps (DEE 2017b).

Possible. Sandy/clayey soils are present around wetter areas in the southwest of the Survey Area.

Diuris purdiei

T Endang-ered

A slender orchid to 0.35 m tall. Flowers are yellow and visible from September to October. Habitat for this species is grey-black sand substrates in winter-wet swamps which have high moisture (Western Australian Herbarium 1998-). Diuris purdiei occurs from Perth south to near the Whicher Range, within the Swan (Western Australia) Natural Resource Management Region. It grows on sand to sandy clay soils, in areas subject to winter inundation, and amongst native sedges and dense heath with scattered emergent Melaleuca preissiana, Corymbia calophylla, E. marginata and Nuytsia floribunda (DEE 2017b).


Drakaea elastica

T Endang-ered

A slender orchid to 30 cm tall with a prostrate, round to heart shaped leaf. Singular, bright green, glossy flower. Drakaea elastica is currently known only from the Swan Coastal Plain over a range of approximately 350 km between Cataby in the north and Busselton in the south. The species is known to grow on bare patches of sand within otherwise dense vegetation in low-lying areas alongside winter-wet swamps (DEE 2017b). The species typically grows in Banksia (Banksia menziesii, B. attenuata and B. ilicifolia) woodland or Spearwood (Kunzea glabrescens) thicket vegetation.


Drakaea micrantha

T Vulnerable A tuberous, terrestrial herb which has a diminutive red and yellow flower, 1.2–2.5 cm long, on a stem that grows to 30 cm. Flowering occurs form September to October. Its heart-shaped leaf, about 1.5 cm long, is silvery grey with prominent green veins. Habitat for this species occurs within cleared firebreaks or open sandy patches that have been disturbed, where competition from other plants has been removed (Western Australian Herbarium 1998-, DEE 2017b).


Drosera occidentalis subsp. occidentalis

P4 NA A fibrous, rosette perennial herb. Flowers are pink/white and visible from November to December. Habitat for this species occurs on sandy and clayey soils in swamps and winter-wet depressions (Western Australian Herbarium 1998-).


Yes

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Species

Conservation status



WC Act

EPBC Act

Eleocharis keigheryi

T Vulnerable A rhizomatous, tufted/clumped perennial herb, reaching a maximum diameter of 40 cm. It has erect, smooth, green stems that are 20–40 cm tall and hollow, supporting cross bars that are 2 mm in diameter. This species grows in small clumps in a substrate of clay or sandy loam. This species is emergent in freshwater creeks, and transient waterbodies such as drainage lines and claypans in water to approximately 15 cm deep. Fringing woodland species and associated species include Swamp Sheoak (Casuarina obesa), Flooded Gum (Eucalyptus rudis), Red Robin Bush (Melaleuca lateritia), Swamp Paperbark (M. rhaphiophylla), Common Spike-sedge (Eleocharis acuta), Aponogeton hexatepalus, Veined Swamp Wallaby Grass (Amphibromus nervosus) and herbs such as Wurmbea, Tribonanthes and Leptocarpus spp. (Western Australian Herbarium 1998-, DEE 2017b).

Unlikely. While standing water is present within the southwest of the Survey Area, none of the known associated species are present.

Eucalyptus x balanites

T Endang-ered

A mallee up to 500 cm tall with rough, flaky bark. Flowers are white, occurring from October to December or January to February. Habitat for this species occurs in sandy soils with lateritic gravel (Western Australian Herbarium 1998-).


Johnsonia pubescens subsp. cygnorum

P2 NA A tufted perennial herb between 15 25 cm tall.

Flowers are white-green and visible in September. Habitat for this species occurs on grey-white-yellow sands in seasonally-wet sites (Western Australian Herbarium 1998-).


Schoenus pennisetis

P3 NA A tufted grass-like sedge to 15 cm tall. Flowers are purple-black and visible from August to September. Habitat for this species occurs on grey or peaty sand and sandy clay in winter-wet depressions and swamps (Western Australian Herbarium 1998-).


Yes

Synaphea sp. Fairbridge Farm (D.Papenfus 696)

T Critically Endang-ered

A dense, clumped shrub from 25 to 65 cm tall. Flowers are erect axillary spikes, yellow in colour, hairy, openly spaced and are angled upwards in the spike (DEE 2017). Habitat for this species occurs on the Pinjarra Plain, south of Perth from Serpentine to Dardanup. The five known subpopulations of the species are fragmented and exist within scattered patches of remnant vegetation, in areas which have been extensively cleared for agriculture, curs on grey, clayey sand with lateritic pebbles in low woodland areas near winter flats (DEE 2017b).


Synaphea sp. Serpentine (G.R. Brand 103)

T NA Unknown. Possible. Habitat description unavailable.

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Species

Conservation status



WC Act

EPBC Act

Tetraria australiensis

T Vulnerable Occurs in grey sand over clay, favouring winter-wet, swampy depressions, drainage lines or rises surrounding swamps. It can also be found in open forest or Corymbia calophylla woodland (WA Herbarium 1998-).


Telemetry stellata

T Endang-ered

A tuberous, terrestrial orchid to 25 cm tall. Flowers are yellow and brown and visible from October to November. Habitat for this species is low heath and scrub in Jarrah and Wandoo woodland; on ridges, slopes, flats, riverbanks and breakaways (Western Australian Herbarium 1998-, DEE 2017b).


T – Threatened; P – Priority

A search of Naturemap (DBCA 2017) and Protected Matters database (DEE 2017) indicated multiple

Threatened Ecological Communities are known from the area (Table 2). Two of these communities

potentially occur within the Survey Area. Refer to Section 2.4.3 for more information.

Table 2: Threatened and Priority Ecological Communities potentially occurring within the vicinity of the site

Community name

Conservation status Likelihood of presence within Survey Area


WC Act / DBCA EPBC Act

Banksia Woodlands of the Swan Coastal Plain ecological community (SCP 20a, 20b, 20c, 20d, 21a, 21b, 21c, 22, 23a, 23b, 23c, S9, 24, 25, 28)

Endangered (SCP 20a, 20b)

Critically Endangered (SCP 20c)

Priority 3 (SCP 21c, 22, 23b, 24, 25)

Endangered Not present. No Banksia species were observed within the Survey Area.

20b

Eucalyptus (Corymbia) calophylla — Kingia australis woodlands on heavy soils (SCP3a)

Critically Endangered

Endangered Possible. Site observations indicate VT2 superficially aligns with the community description.

Yes

Clay Pans of the Swan Coastal Plain (SCP07, 08, 09, 10a)

Vulnerable (SCP07 – 09), Endangered (SCP10a)


Not present. No clay pans were observed within the Survey Area.

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Corymbia calophylla - Xanthorrhoea preissii woodlands and shrublands of the Swan Coastal Plain (SCP3c)


Endangered Possible. Site observations indicate VT1 superficially aligns with the community description.

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A site survey was undertaken by a Senior Ecologist from Strategen on 11 July 2017 which included the

following:

• Reconnaissance Survey fulfilling the requirements of the Environmental Protection Authority

(EPA) (2016), Technical Guidance – Flora and Vegetation Surveys for Environmental Impact

Assessment

• Black Cockatoo foraging and nesting habitat survey.

Four quadrats were sampled within the Survey Area (the site) and notes taken regarding quality of black

cockatoo habitat.

The Project Area comprised a mixture of planted vegetation (landscaping and garden plants) and remnant

native vegetation (Figure 5). Five vegetation types were recorded (Table 3,Figure 5). Vegetation types

VT3, VT4 and VT5 have been influenced by landscaping and mixed introduced species. Other vegetation

within the Project Area visible on the aerial photograph comprised landscaping and garden plants, with

very occasional individual remnant native plants.

Table 3: Vegetation type and condition

Vegetation type

Description Condition Area (ha)

VT1 Low woodland of Corymbia calophylla over Xanthorrhoea preissii and mixed shrub and herb species with occasional landscaping plants on loamy soils

Good – Very Good

0.12

VT2 Open low forest of Corymbia calophylla over Kingia australis and mixed shrub and herb species on clay soils

Excellent 0.04

VT3 Closed scrub of Melaleuca ?viminea, M. lateritia and M. teretifolia over Calothamnus sp. and mixed introduced species on loamy soils (contains areas of standing water)

Degraded – Good

0.15

VT4 Open herbland of Typha domingensis, Lepidosperma gladiatum and *Eragrostis curvifolia in standing water

Degraded 0.02

VT5 Open low woodland of Corymbia calophylla over shrubland of Xanthorrhoea preissii and Âcacia sp. over mixed garden plants

Degraded 0.07

Total 0.4

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Hierarchical agglomerative clustering was undertaken using the quadrat data collected during the flora and

vegetation study and data for the Swan Coastal Plain regional survey (Gibson et. al. 1994). The species

nomenclature of the Swan Coastal Plain dataset was updated to be consistent with current usage. Each

quadrat was added to the SCP data set one at a time and the combined dataset was analysed using the

Bray-Curtis coefficient and flexible beta linkage method (-0.1). The resulting dendrograms are presented in

Plates 1 to 4.

The results of the analysis show plots Q1 (VT2), Q2 (VT1) and Q4 (VT2) were assigned to FCT 3c –

Corymbia calophylla – Xanthorrhoea preissii woodlands and shrublands in the first instance. More

broadly, this group was placed with a larger group containing sites representing FCT 3a – Corymbia

calophylla – Kingia australis woodlands on heavy soils.

The remaining plot, Q3, was assigned to FCT 13 – Deeper wetlands on heavy soils. When all plots were

analysed together, the same associations resulted.

The most appropriate assignment for plots Q1 (VT2), Q2 (VT1) and Q4 9VT2) is FCT3a. While the

branches indicate these plots were closest to FCT3c, the relationship is not especially close. All three

quadrats contain species representative of both FCT 3a and FCT3c; however, the presence of Kingia

australis within all three plots suggests FCT 3a is the closest fit.

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The most appropriate assignment for plot Q3 is FCT 12. While the analysis placed this quadrat with

FCT13, the dominant species (Melaleuca teretifolia) is a defining species of FCT 12. The analysis is

based on presence or absence of species, and as such the dominance of a species is not considered

during the calculations.

Plate 2: Quadrat 1 Dendrogram


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Figure 4: Vegetation Complex (Heddle mapping)

Legend

APZ


Car park


Area to be thinned

Vegetation complex (Heddle mapping)

Forrestfield complex

Guildford complex

Guildford complex

Forrestfield complex

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Figure 5: Vegetation types and condition

Legend

") Quadrat

Survey area

Cadastre


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VT3

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Vegetation type and condition

VT1 : Low woodland of Corymbia calophylla over Xanthorrhoea preissii and mixed shrub andherb species with occasional landscaping plants on loamy soils (Good – Very Good)

VT2 : Open low forest of Corymbia calophylla over Kingia australis and mixed shrub and herbspecies on clay soils (Excellent)

VT3 : Closed scrub of Melaleuca ?viminea, M. lateritia and M. teretifolia over Calothamnus sp.and mixed introduced species on loamy soils (contains areas of standing water) (Degraded –Good)

VT4 : Open herbland of Typha domingensis, Lepidosperma gladiatum and Eragrostis curvifolia instanding water (Degraded)

VT5 : Open low woodland of Corymbia calophylla over shrubland of Xanthorrhoea preissii andÂcacia sp. over mixed garden plants (Degraded)

Residential gardens containing introduced species (garden and landscaping plants) withoccasional native species

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Database searches of NatureMap and the DotEE protected matters database were undertaken to

determine the likelihood of any Threatened or Priority fauna species within the vicinity of the site. The

desktop survey identified the Carnaby’s Black-Cockatoo (CBC) (Calyptorhynchus latirostris), Forest Red-

tailed Black-Cockatoo (Calyptorhynchus banksii naso), Baudin's Cockatoo, Long-billed Black-Cockatoo,

(Calyptorhynchus baudinii), Chuditch, Western Quoll (Dasyurus geoffroii).

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The black cockatoo habitat assessment undertaken which incorporated the following:

• a foraging assessment to identify potential black cockatoo foraging species

• a significant tree assessment to identify any trees with the potential to be utilised by black

cockatoos for breeding.

The desktop survey indicated the most likely fauna species to utilise the Survey Area are the three black

cockatoo species listed in Table 4.

Table 4: Threatened fauna species potentially occurring within Project Area

Species Conservation status

WC Act EPBC Act

Calyptorhynchus latirostris (Carnaby’s Black Cockatoo)

Threatened Endangered

Calyptorhynchus banksii naso (Forest Red-tailed Black-Cockatoo)

Threatened Vulnerable

Calyptorhynchus baudinii (Baudin’s Black Cockatoo)

Threatened Vulnerable

Habitat foraging quality of each vegetation type is shown in Table 6 and was determined using the scale

described in Table 5.

Table 5: Definition of black cockatoo foraging habitat within the survey area

Foraging quality Justification

Excellent High density of species suitable for foraging by black cockatoos (i.e. foliage cover of suitable species >60%) and presence of food sources at several strata (i.e. canopy, midstorey and understorey).

Good High density of species suitable for foraging by black cockatoos (i.e. foliage cover of suitable species >60%) but food sources only present at one or two strata (i.e. canopy and midstorey).

Moderate Moderate foraging value density of species suitable for foraging by black cockatoos (i.e. foliage cover of suitable species 20-40%) and food sources only present at one or two strata (i.e. canopy and midstorey).

Poor Low density of species suitable for foraging by black cockatoos (i.e. foliage cover of suitable species 10-20%) and presence of food sources at only one stratum (i.e. canopy).

Very poor Very low density of species suitable for foraging by black cockatoos (i.e. foliage cover of suitable species <10%) and presence of food sources at only one stratum (i.e. canopy).

Nil Cleared areas - no suitable vegetation present.

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Table 6: Vegetation types and black cockatoo foraging species within the survey area

Vegetation type Black cockatoo foraging species Foraging quality Area (ha)

VT1 BBC – Corymbia calophylla, *Callistemon sp., Xanthorrhoea preissii

CBC – Corymbia calophylla, *Callistemon sp., Xanthorrhoea preissii, Mesomelaena tetragona

FRTBC - Corymbia calophylla.

Moderate (BBC)

Moderate (CBC)

Moderate (FRTBC)

0.122

VT2 BBC - Banksia dallanneyi, Corymbia calophylla, Eucalyptus marginata, Hakea trifurcata, Kingia australis, Xanthorrhoea preissii

CBC – Eucalyptus marginata, Corymbia calophylla, Xanthorrhoea preissii, Hakea trifurcata, Mesomelaena tetragona, Grevillea bipinnatifida, Banksia dallanneyi, Kingia australis

FRTBC – Corymbia calophylla. Eucalyptus marginata.

Excellent (BBC)

Excellent (CBC)

Excellent (FRTBC)

0.04

VT3 BBC – *Erodium sp.

CBC – *Erodium sp.

FRTBC - Nil.

Very poor (BBC)

Very poor (CBC)

0.15*

VT4 Nil. Nil. Nil.

VT5 BBC – Corymbia calophylla, Kingia australis, Xanthorrhoea preissii

CBC – Corymbia calophylla, Kingia australis, Xanthorrhoea preissii

FRTBC - Corymbia calophylla.

Poor (BBC)

Poor (CBC)

0.07*

CBC – Carnaby’s Black Cockatoo; BBC, Baudin’s Black Cockatoo; FRTBC – Forest Red-tailed Black Cockatoo.

*- Due to the low quality of (Poor and Very Poor rating) these categories have not been further assessed as part

of this assessment as the impact is minimal and not significant.

Two potential nesting habitat trees, both Corymbia calophylla with diameter at breast height (DBH) of

>500 mm were recorded within the Project Area (Figure 6), the proposed expansion (development

footprint) will not impact the habitat trees.

Figure 6: Black Cockatoo habitat

Legend

!?Corymbia calophylla>500mm DBH

Cadastre

Survey area

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As identified in Section 1.1, The bushfire protection criteria including locations, siting and design of

development (APZ), vehicular access and water is to be undertaken for any development application for a

site. An APZ is required around the proposed and existing development in order to achieve an acceptable

fire risk and comply with State Planning Policy 3.7 and the associated Guidelines (WAPC 2017). Based on

the Bush Fire risk assessment against the criteria for siting and design of development, the tree canopy

requirement for a compliant APZ applicable would be 15%. This represents the level thinning of vegetation,

that is likely to be undertaken. Refer to Plate 6.

Plate 6 Tree canopy cover- ranging from 15-70% at maturity

Based on the Development footprint (building and carpark) and the APZ to adhere to Bushfire

requirements, the following is proposed to be cleared and thinned (Table 7).

Table 7: Vegetation type and Black Cockatoo foraging habitat proposed to be impacted

Vegetation type

Description Vegetation condition

Black Cockatoo Foraging Habitat Condition

Mapped Area (ha) on site

Area Proposed to be cleared

(ha)

Area to be thinned

(ha)

VT1 Low woodland of Corymbia calophylla over Xanthorrhoea preissii and mixed shrub and herb species with occasional landscaping plants on loamy soils

Good – Very Good

Moderate 0.122 0.036 0.017

VT2 Open low forest of Corymbia calophylla over Kingia australis and mixed shrub and herb species on clay soils

Excellent Excellent 0.04 nil nil

VT3 Closed scrub of Melaleuca ?viminea, M. lateritia and M. teretifolia over Calothamnus sp. and mixed introduced species on loamy soils (contains areas of standing water)

Degraded – Good

Very poor 0.15 0.030 0.121

VT4 Open herbland of Typha domingensis, Lepidosperma gladiatum and *Eragrostis curvifolia in standing water

Degraded Nil 0.02 nil 0.015

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Vegetation type

Description Vegetation condition

Black Cockatoo Foraging Habitat Condition

Mapped Area (ha) on site

Area Proposed to be cleared

(ha)

Area to be thinned

(ha)

VT5 Open low woodland of Corymbia calophylla over shrubland of Xanthorrhoea preissii and Âcacia sp. over mixed garden plants

Degraded Poor 0.07 0.047 0.015

Total 0.4 0.113 0.168

An assessment of the proposed clearing against the ten clearing principles outlined in Schedule 5 of the

EP Act 1986 is provided in Table 8. The following assessment demonstrates that the proposed removal

and/or thinning of native vegetation, planted introduced species and weed species is not at a significant

variance with the clearing principles.

Table 8: Assessment against clearing principles

Principle Assessment Conclusion

Native vegetation should not be cleared if it comprises a high level of biological diversity.

The proposed building extension and carpark is within an already established development

envelope (Figure 2) Within this development footprint area to be cleared VT1 (TEC3a) is 0.017ha and thinning (0.036ha). The species richness of the quadrats include:

• Q2 (VT1)- 14

• Q3 (VT3) -9.

The species richness (14) within Q2 (VT1) is a low count compared to the average species richness of 58.9 for 3a as reported in Gibson et.al (1994) Therefore, it would be concluded that VT1 is not a good representation of TEC3a.

The species richness (9) within Q3 (VT3) is a low count compared to the average species richness of 26.4 for 12 as reported in Gibson et.al (1994) Therefore, it would be concluded that VT3 is not a good representation of FCT12.

Vegetation types VT3, VT4 and VT5 have

been influenced by landscaping and garden

plants.

Based on the species richness recorded within the quadrats (Q2 and Q3) the biological diversity of the impacted area is not considered to be high therefore not at variance with the principle.

Native vegetation should not be cleared if it comprises the whole or part of, or is necessary for the maintenance of, a significant habitat for fauna indigenous to Western Australia.

The Black Cockatoo habitat survey completed by Strategen (2017) confirmed that the site contains foraging habitat. Most of the Project Area (to be cleared and/or thinned) consists of Very Poor to Poor quality habitat.

There for two potential habitat trees on site, which are outside of the project area and will not be impacted.

The removal of 0.036ha of moderate quality foraging habitat, is not considered to be a significant impact in accordance with the SEWPAC, 2012) referral guidelines.

Based on the draft DotEE (2017) guidelines the foraging habitat score for the area to be impacted scored 6, which confirms that the foraging habitat is not considered to be high quality and important for the long-term survival and recovery of the black cockatoos. Therefore, not a significant impact and not required to be referred in accordance with the EPBC Act.

The size of habitat and quality proposed to be cleared is mostly in Poor to Very Poor condition similar or same habitat remaining on the site and adjacent to the project area. The project is therefore not considered to be at variance with this principle.

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Native vegetation should not be cleared if it includes, or is necessary for the continued existence of, rare flora.

There is a potential presence of priority flora within the site based on current habitats and species which have been recorded in the adjacent Briggs Parks and Brickwood Reserve

Survey Area (refer to ��)

• Drosera occidentalis subsp. Occidentalis (P4)

• Schoenus pennisetis (P3).

There is an extensive amount of disturbance, lack of understorey associated with VT3, VT4 and VT5, which is associated with wetter areas of the site -REW area (Figure 3).

It is unlikely that the priority flora will be significantly impacted and the proposed action is not a variance with this principle.

Native vegetation should not be cleared if it comprises the whole or a part of, or is necessary for the maintenance of, a threatened ecological community.

Bush forever (WAPC, 2000) and the Briggs Park/Brickwood Reserve Management Plan (2006) identifies FCT3a and 20b as occurring within BF site 321 (reserves 17490 and 51101).

Statistical analysis of the four quadrats surveyed on site has indicated that VT1 and VT 2 is representative of TEC 3a. Approximately 0.036ha of VT1 is proposed to be cleared and 0.017ha thinned. This area represents 43% of this vegetation type on site.

The proposed action will be at variance with this principle as the proposal will impact 0.053 ha of TEC FCT 3a.

It is suggested that this impact can be mitigated through the development of a Revegetation Management Plan to address revegetation and management measures for vegetated areas (i.e. VT1 and VT2) outside the APZ area (DER, 2016).

Native vegetation should not be cleared if it is significant as a remnant of native vegetation in an area that has been extensively cleared.

A total of 0.113 ha of vegetation is proposed to be cleared within an area that supports extensive vegetation. BF site 321 is 44.9 ha in area.

Removal of vegetation within the project area is not considered to be at variance with this principle as it will not result in the removal of a significant remnant of vegetation compared to the surrounding area.

Native vegetation should not be cleared if it is growing in or in association with a watercourse or wetland.

There are REW (UFI 15454, 14297 and 15455) within the site (Figure 3).

A previous clearing permit 955/1 was issued for the mechanical clearing for 0.89ha, which included most of the existing REW (UFI 15454) on site.

The vegetation (VT3 and VT4) associated with the REW (UFI 15454) is in Degraded to Good condition. 0.030ha is proposed to be cleared with 0.136ha of vegetation to be thinned in accordance with APZ requirements (Refer to

Plate 6 ).

The vegetation (VT1 and VT5) associated with the REW (UFI 14297) is in Degraded to Very Good condition. 0.0282ha of VT1 and 0.0056ha of VT5 is proposed to be cleared in

this REW (Refer to Plate 6).

The facilities onsite aerobic wastewater treatment systems and irrigation treatment area is currently located within the mapped REW (UFI 15454). The wastewater treatment and irrigation system is proposed to be removed as part of the facilities extension, as the site will be connected to reticulated sewerage. This will reduce the nutrient load entering the REW.

The proposed clearing (0.03ha) of REW (UFI 15454) will affect vegetation that has been previously disturbed (Clearing permit No. 995/1).

Approximately 0.033ha of vegetation is proposed to be cleared within REW (UFI 14297).

Therefore, the proposed action may not be considered to be at variance with this principle.

Native vegetation should not be cleared if the clearing of the vegetation is likely to cause appreciable land degradation.

The proposed clearing is located in the middle of two existing development envelopes and access ways (Figure 2) within an urban area. Land degradation processes such as erosion and weed encroachment as the site is highly managed by Baptist Care.

Removal of vegetation within the site (development area) is not considered to be at variance with this principle, as the clearing of <0.5 ha of vegetation.

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Native vegetation should not be cleared if the clearing of the vegetation is likely to have an impact on the environmental values of any adjacent or nearby conservation area.

A significant portion of the proposed clearing area includes VT5 which is in Degraded condition. While there is urban development in the north eastern section of the site, the remainder of the site is surrounded by Briggs Park/Brickwood Reserve, the extension area is within the centre of the site with existing development to the north and south.

From an onsite perspective, the clearing of 0.036ha of VT1 will have some influence on the environmental value, however, from a regional perspective will have minimal impact on environmental values to the surrounding area Bush forever Site (No. 321) which is 44.9ha.

Thinning the understorey of VT1 and VT4, which includes scrub, mixed introduced species, lepidosperma gladiatum and Eragrostis curvifolia will have minimal influence on the vegetation value on site.

The proposed action may be at variance with this principle.

Native vegetation should not be cleared if the clearing of the vegetation is likely to cause deterioration in the quality of surface or underground water.

The facilities onsite aerobic wastewater treatment systems and irrigation treatment area is currently located within the mapped REW. The wastewater treatment and irrigation system is proposed to be removed as part of the facilities extension, as the site will be connected to reticulated sewerage. This will reduce the nutrient load entering the REW.

A revegetation program (low fuel load) within the APZ can be undertaken.

The removal of the current aerobic wastewater treatment system and irrigation treatment area, will assist in the reduction of nutrient entering the wetland system. This will have a positive influence on water quality within the wetland area.

Native vegetation should not be cleared if the clearing of the vegetation is likely to cause, or exacerbate, the intensity of flooding.

The site has on site drainage (i.e. sumps) where stormwater from existing hardstand areas i.e. carparks. The area proposed to be cleared includes the building extension and carpark, which will be connected to local drainage network. Stormwater from these areas will be disposal of in accordance with engineering specifications which are to be assessed by the Shire through the DA process.

Removal of vegetation within the proposed area is not considered to be at variance with this principle, as the clearing is not expected to cause or exacerbate flooding in the area.

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Jordan, J E, 2986. Armadale, part sheets 2033I and 2133 IV, Perth Metropolitan Region, Environmental

Geology Series. Geological; Survey of Western Australia.

Department of Environment and Energy (DEE) 2017a, EPBC Act Protected Matters Search Tool, [Online],

Australian Government. Available from: http://www.environment.gov.au/epbc/pmst/index.html

[12 July 2017].

Department of Environment and Energy (DEE) 2017b, Species Profiles and Threats Database, [Online],

Australian Government, available from: http://www.environment.gov.au/cgi-bin/sprat/public/sprat.pl

[12 July 2017].

Department of Environment Regulation (DER) 2016. A Guide to Preparing Revegetation Plans for Clearing

Permits under Part 5 of the Environmental Protection Act 1986. Draft released for consultation.

Department of Parks and Wildlife (Parks and Wildlife) 2007-, Naturemap, Mapping Western Australia’s

Biodiversity, [Online], Government of Western Australia, Available from:

http://naturemap.dec.wa.gov.au/default.aspx [12 July 2017].

Department of Parks and Wildlife (Parks and Wildlife) 2016, List of Threatened Ecological Communities

endorsed by the Western Australian Minister for Environment (Correct as at 6 October 2016),

Government of Western Australia, Perth.

Department of Parks and Wildlife (Parks and Wildlife) 2017, Priority Ecological Communities for Western

Australia Version 24 (30 June 2017), Government of Western Australia, Perth.

Department of Water (DoW), 2008. Byford townsite drainage and water management plan: drainage and

water management plan. Department of Water, Perth.

EPA. 2015. Perth and [email protected] Environmental Impacts, risks and remedies. Interim strategic

advice of the EPA to the Minister for Environment under section 16€ of the Environmental Protection

Act 1986. Officer of the Environmental Protection Authority, Perth.

Gibson, N. Keighery, B.J., Keighery, G.J., Burbidge, A. and Lyons, M.N. (1994). A Floristic Survey of the

southern Swan Coastal Plain. Unpublished Report for the Australian Heritage Commission prepared

by the Department of Conservation and Land Management and the Conservation Council of Western

Australia (Inc.).

Heddle, E. M., Loneragan, O. W., and Havel, J. J. 1980. Vegetation Complexes of the Darling System,

Western Australia. In Department of Conservation and Environment, Atlas of Natural Resources,

Darling System, Western Australia. Shire of Serpentine Jarrahdale (2016) Briggs Park and Brickwood

Reserve Management Plan 2016-2026.

Western Australian Herbarium 1998-, FloraBase – the Western Australian Flora, [Online], Government of

Western Australia, Available from: http://florabase.dpaw.wa.gov.au/ [12 July 2017].

Western Australian Planning Commission, 2017. Guidelines for Planning in Bushfire Prone Areas.

Keighery B 1994, Bushland Plant Survey: A Guide to Plant Community Survey for the Community,

Wildflower Society, Floreat.

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JOB 49212637Fri Oct 23 09:20:56 2015

JOB 49212637Fri Oct 23 09:20:56 2015

JOB 49212637Fri Oct 23 09:20:56 2015

Documents

˘ ˇ ˆ - der.wa.gov.au · ˇ ˛ This report (“the report”) has been prepared by Strategen Environmental Consultants Pty Ltd (Strategen) in accordance with the scope of services