Construction Environmental Management Plan Proposed Multi ...

Construction Environmental Management Plan

Proposed Multi-unit Residential DevelopmentAvon and Beechworth Roads

Pymble NSW

Prepared forAusbao Pymble Pty Ltd

Project 84887.00 August 2015

CEMP 84887.00.R.001Avon and Beechworth Roads, Pymble August 2015

Table of Contents

Page

1. Introduction .................................................................................................................................... 1

1.1 General ................................................................................................................................1

1.2 Objectives of the CEMP .......................................................................................................1

1.3 Site Location and Identification ............................................................................................2

1.4 Proposed Development .......................................................................................................2

1.5 Reference Documents .........................................................................................................3

2. Site Information .............................................................................................................................. 4

2.1 Site Description ....................................................................................................................4

2.2 Geology, Topography, Hydrogeology and Regional Groundwater ......................................5

2.2.1 Geology ...................................................................................................................5

2.2.2 Topography .............................................................................................................5

2.2.3 Surface Water, Hydrogeology .................................................................................5

2.3 Contamination ......................................................................................................................5

2.4 Vegetation ............................................................................................................................6

2.5 Trees ....................................................................................................................................6

2.6 Bushfire ................................................................................................................................7

3. Statutory Requirements ................................................................................................................. 7

4. Planning ......................................................................................................................................... 8

4.1 Construction Activities .........................................................................................................8

4.2 Plant and Equipment............................................................................................................8

4.3 Construction Schedule .........................................................................................................9

4.4 Construction Hours ..............................................................................................................9

4.5 Construction Traffic Management ........................................................................................9

5. Environmental Management ........................................................................................................ 10

5.1 Structure and Responsibilities ...........................................................................................10

5.2 Site Security .......................................................................................................................13

5.3 Vegetation Management Plan ...........................................................................................13

5.4 Tree Protection Measures .................................................................................................14

5.5 Traffic Management ...........................................................................................................14

5.6 Erosion and Sediment Control Plan ...................................................................................15

5.7 Monitoring of Truck Loads Entering and Existing the Site .................................................15

5.8 Bulk Earthworks, Excavation and Spoil Management Plan ...............................................16

5.9 Fire Prevention Plan ..........................................................................................................16


Table of Contents

5.10 Air Quality Control Plan .....................................................................................................17

5.10.1 Vehicles and Plant Emissions ...............................................................................17

5.10.2 Dust Emissions .....................................................................................................18

5.11 Noise and Vibration Control Plan .......................................................................................19

5.12 Waste Management Plan ..................................................................................................20

6. Environmental Monitoring and Auditing ....................................................................................... 21

6.1 Inspections .........................................................................................................................21

6.2 Internal Audits ....................................................................................................................21

6.3 Corrective Actions ..............................................................................................................22

6.4 Environmental Reporting ...................................................................................................22

6.5 Document Control ..............................................................................................................23

7. Limitations .................................................................................................................................... 23

Appendix A: Drawings and Notes About this Report

Appendix B: Table 4 (extract from the VMP)

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Construction Environmental Management Plan

Avon and Beechworth Roads

Pymble

1. Introduction

1.1 General

This Construction Environmental Management Plan (CEMP) details the environmental risk management actions associated with the proposed multi-storey residential development at Avon and Beechworth Roads, Pymble NSW (the ‘site) as depicted on Drawing 1, Appendix A. The CEMP was commissioned by Pricewaterhouse Coopers on behalf of Ausbao Pymble Pty Ltd. This CEMP includes an overview of how construction activities will be carried out on the site such that potential environmental risks are minimised. A detailed CEMP will be prepared by the civil works contract once appointed. In this regard, this CEMP specifically deals with various construction related activities including:

Site remediation;

Excavations;

Soil and water management;

Fire Prevention;

Vegetation management;

Construction traffic;

Noise;

Waste.

1.2 Objectives of the CEMP

The strategic objectives of this CEMP are:

to help minimise the impacts of construction works on the surrounding environment;

to present mitigation strategies and actions for control of pollution;

to establish a framework for environmental management to be able to implement mitigation measures;

to develop a monitoring programme for regulatory compliance and early detection of any significant environmental impacts;

to demonstrate the selected contractor and its sub-contactors’ commitment to comply with the statutory environmental requirements; and

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to provide a framework for the continued improvement of the CEMP as needed.

1.3 Site Location and Identification

The site is located in a residential area of Pymble. To the north of the site is the North Shore railway line, Avon Road is to the east and Beechworth Road is to the west. Residential properties are located to the south. The site is located on a south west facing and south east facing hillside. A drainage gully running in a south west direction is located between the two hillsides. Site details are presented in Table 1 below, and a site drawing showing the site boundary and location is presented on Drawing 1, Appendix A. Table 1: General Site Information

Item Description

Site Owner (client) Ausbao Pymble Pty Ltd

Site Address 1, 1A, 3 and 5 Avon Road, Pymble

4 and 8 Beechworth Road, Pymble

Lot and DP Number Lot 1 DP583803; Lot 2 DP583803; Lot 1 DP205504, Lot 2 DP205504

Lot 1 DP403072; Lot 3 DP403072

Local Government Authority Ku-ring-gai Council

Total Site Area 26,000 m2 (2.6 ha)

Zoning R2 Low Density Residential, R3 Medium Density Residential and E4 Environmental Living

Current Land Use Residential

Proposed Land Use Multi-storey residential

1.4 Proposed Development

The Revised Concept Plan Proposal for the site is a residential development with the following characteristics:

Demolition of all existing structures, except for the heritage building at 1 Avon Road;

Construction of four (4) detached residential dwellings with:

House 1, House 2 & House 3 with a shared access driveway to Beechworth Road;

House 4 with a separate access driveway to Beechworth Road;

each dwelling provided with two parking spaces;

Construction of three residential apartment buildings, with access to Avon Road, comprising a total of 176 residential apartments (including 18 adaptable units) with the following attributes:

64 x one bedroom apartments

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87 x two bedroom apartments;

23 x three bedroom apartments;

The provision of four basement levels of car parking. The buildings will vary in height from five levels (part Building 1) to nine levels (Building 4). The basement car park is proposed beneath Buildings 1, 3 and 4. The maximum excavation depth will vary depending on the site topography, as well as the layout of the proposed basement levels. The lowest proposed basement level for Building 1 and 3 of RL +126 (maximum depth of excavation expected to be 20 m bgl). For Building 4 the maximum excavation is proposed to be approximately 14 m bgl, Building 3 is anticipated to be approximately 13 m bgl at an offset of approximately 12 m from the boundary to number 7 Avon Road. The proposed four residential houses are to each have a building footprint of approximately 250 m2. The existing dwelling at number 1 Avon Road is to be retained.

1.5 Reference Documents

The following documents have been referenced for use in this CEMP:

Environmental Investigation Services Report on Preliminary Stage 2 Environmental Site Assessment for Proposed Residential Development at 1, 1A, 3 & 5 Avon Road and 4 & 8 Beechworth Road, Pymble, NSW, 22 May 2015, Ref: E24192Krpt2 (EIS, 2015a);

JK Geotechnics Geotechnical Assessment for Proposed Residential Development, Major Application MP 08207 & MP 10 0219 at 1, 1A, 3 & 5 Avon Road and 4 & 8 Beechworth Road, Pymble, NSW, 7 May 2015, Ref: 23513Wrpt Rev3 (JK, 2015);

Environmental Investigation Services Report on Hazardous Building Materials Assessment for Proposed Residential Development at 1, 1A, 3 & 5 Avon Road and 4 & 8 Beechworth Road, Pymble, NSW, 22 April 2015, Ref: E28281KCrpt.HAZ (EIS, 2015b);

Anne Clements & Associates Pty Limited Revised Vegetation Management Plan, 1, 1A, 3 and 5 Avon Road, and 4 and 8 Beechworth Road, Pymble, 31 March 2015 (VMP);

Ecological Australia Avon Road, Pymble, Environmental Management and VMP Implementation Costing Assessment, 6 August 2015 (EA, 2015);

Npc management consultants & project managers Proposed Residential Development, Avon Road, Pymble, Project Application (MP 10_0219), Stormwater Management and Riparian Aspects, August 2015, Job No. 2514 (npc, 2015);

Tree Wise Men Australia Pty Ltd Arboricultural Impact Assessment for proposed Multi Unit Residential Development at 1, 1A, 3 & 5 Avon Road and 4 & 8 Beechworth Road, Pymble, June 2015, Reference 2325(L)-15AIA (TWM, 2015);

Traffix Construction Traffic Management Plan, Proposed Residential Development, Avon Road, Pymble, May 2015, August 2015, Reference: 15.026r02v02 TRAFFIX CTMP (Traffix, 2015a);

Traffix Traffic Impact Assessment, Proposed Residential Development, Avon Road, Pymble, May 2015, Reference: 15.026r01v04 (Traffix, 2015b);

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Australian Bushfire Protection Planners Pty Limited Bushfire Protection Assessment for the Revisions to the Major Project Application, Proposed Residential Development on Lot 1 & 2 in DP 583803; Lots 1 & 2 in DP 205504; Lot 1 in DP 403072 and Lot 3 in DP 403072, No. 1, 1A, 3 and 5 Avon Road and No. 4 & No. 8 Beechworth Road, Pymble, August 2015 (ABPP, 2015).

2. Site Information

2.1 Site Description

The site description is based on the environmental investigation conducted by Environmental Investigation Services (EIS) in April 2015, as referenced in Section 4. It is noted that their inspection was limited to areas accessible on the day of the inspection and an internal inspection of buildings was not undertaken. The site description was as follows:

The site was occupied by a number of residential properties and heavy vegetation;

An existing two storey brick dwelling (identified as 1 Avon Road) was present in the north east portion of the site. What appeared to have once been a driveway was covered by stockpiles of clayey sand fill with sandstone cobbles;

Landscaping and sandstone terraced areas were present around the building, as well as an in ground swimming pool to the south of the premises. A disused tennis court was located in the gully area towards the southern end of the site;

Two separate single storey premises comprised of brick and weatherboard occupied the eastern portion of the site (numbers 3 and 5 Avon Road). Number 5 was dilapidated, towards the north of Number 3 was an in ground swimming pool;

A two storey residential brick and weatherboard dwelling was located in the western portion of the site (8 Beechworth Road). The building was located on a battle-axe block behind number 6 Beechworth Road. The land was relatively flat, with a site slope steepening to the east. The eastern portion of the house appeared to have been constructed on filled land to accommodate for the sloping ground. An oil tank (possibly used for heating) was mounted on a wall on the south east corner of the building; and

A level grassed area was located towards the north western corner of the site (behind number 2 Beechworth Road). The site steepened towards the east and was densely overgrown. Building materials were observed on the ground surface towards the east, including a fibre cement fragment.

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2.2 Geology, Topography, Hydrogeology and Regional Groundwater

2.2.1 Geology

Reference to the Sydney 1:100,000 Geological Series sheet indicated that the site is underlain by Ashfield Shale of the Wianamatta Group. Ashfield shale is characterised by black to dark grey shale and laminite of Triassic age. Previous fieldwork results from the EIS investigation confirmed the presence of fill, followed by silty clay and shale.

2.2.2 Topography

The site is located on a south western and south eastern facing hillside, with steep sloping regional topography. A drainage gully running in a south west direction was located within the two hillsides.

2.2.3 Surface Water, Hydrogeology

Surface water at the site is expected to infiltrate the ground surface and run towards the drainage gully located towards the central portion of the site (which would be the receiving water body). A review of the groundwater bore records was undertaken of data supplied by the NSW Office of Water (NOW) on 27 May 2015. A total of six groundwater bores were registered in an approximate 1 km radius of the site. Standing water levels were recorded for two of the bores, between 10 m bgl and 19.8 m bgl. Three of the bores were used for monitoring purposes and three for irrigation at the Avondale Golf Club. Sandstone and shale was recorded at three of the six bores.

2.3 Contamination

EIS (2015a) was prepared as part of LEC proceedings for the site (Proceedings No. 10834 of 2013). An inspection of the site as well as an intrusive investigation was conducted. Samples were obtained from 26 sampling points across the site, a density of approximately 72% of the recommended EPA requirements. Selected samples were analysed for various contaminants of potential concern (COPC). Elevated lead was identified in one bore (BH31/0.0-0.2) above the adopted health threshold level. EIS conducted statistical analysis on the sample and found that the risk to human receptors was likely to be low. No asbestos fibres were identified in soil samples analysed, however fibre cement fragments were identified at the site in the north western corner. Lead and B(a)P TEQ were identified as being above the adopted health based site assessment criteria (SAC), however were considered likely to pose a low risk to human receptors. EIS stated that remediation and/or management is required. Only one B(a)P TEQ result was elevated and may represent a minor hotspot. Elevated lead and PAH concentrations may have been attributed to ash and slag inclusions in the fill across the site.

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TRH >C16-C34 and B(a)P were identified as being associated with fill above the ecological SAC, and may pose a risk to environmental receptors. Environmental receptors were thought to be proposed landscape areas, and off-site receptors related to surface water runoff into the existing gully. Elevated copper and zinc were detected in groundwater samples, however the concentrations were typical of background environmental levels. No elevated copper or zinc was found in the soil samples analysed.

2.4 Vegetation

The VMP reported on a survey of vegetation species across the site. The inspection found:

A total of 48 species (15 local natives, 2 non-local native, and 31 exotic) were recorded;

Of the 15 native species, Eucalyptus saligna (Sydney Blue Gum) was the dominant local native tree of the gully and the adjoining slope to the north west;

From survey data and tree survey, there were occasional Angophora floribunda, Eucalyptus pilularis,

Eucalyptus paniculata, Ficus rubiginosa and Acmena smithii. The other native component of the vegetation in the gully was a small number of ferns persisting as scattered individuals or small colonies amongst the dense weedy growth;

The native understorey of the gully and adjoining slope to the north west has been replaced by exotic weed species;

There were landscaped areas associated with existing houses with non-local native and exotic plantings, stone retaining walls, garden beds and a former tennis court overgrown by exotic weed species;

No communities listed under the EPBC Act were recorded because of extensive weed occurrence; Single isolated trees or stands of trees, characteristic of the canopy of Blue Gum High Forest (BGHF) of the Sydney Basin Bioregion, without a native understorey are not included in the Commonwealth listing. The critically endangered ecological community, Blue Gum High Forest in the Sydney Basin Bioregion listed under the TSC Act was recorded as a highly modified relic of the community persisting as canopy trees without a native understorey.

No Commonwealth nor State listed threatened species were recorded, nor are any likely to occur. For further details reference should be made to the VMP.

2.5 Trees

TWM (2015) conducted an assessment of trees that could potentially be impacted as a results of the proposed development. For the purpose of the assessment only trees within 10 m of the proposed buildings or roadways were assessed in detail. Trees beyond this zone were recommended for retention unless either Noxious Weeds or non-BGHF within the Conservation Area (refer attached Figure 1A).

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A total of two-hundred and sixty eight (268) trees were assessed on and adjoining the site. Of these, 41% are to be retained and 59% are to be removed. On this basis, TWM (2015) supported the development proposal as it allows for the retention of the most significant trees on site and no trees in adjoining properties require removal. The proposed stormwater works within and associated with the riparian zone were reviewed and no assessed trees require removal at part of the works. Reference should be made to TWM (2015) for further details of the survey and the locations of trees to be removed.

2.6 Bushfire

The aim of ABPP (2015) was to examine the revisions to the Major Project Application and to determine compliance with the requirements of the NSW Rural Fire Service and the aim and objectives of Planning for Bushfire Protection 2006. A review of the Ku-ring-gai Council Bushfire Prone Land Map confirmed that the site is not mapped as containing bushfire prone vegetation however the south-eastern portion, or the Avon Road frontage of the site is mapped as containing part of the 100 metre wide buffer zone to the Category 1 Bushfire Prone Vegetation mapped within the north-western corner of Pymble Ladies College [PLC]. The proposed four [4] lot residential subdivision occurs on land within Lot 1 and Lot 3 in DP 403072, No. 4 and No. 8 Beechworth Road. This land is not affected by the Ku-ring-gai Bushfire Prone Land Map. 3. Statutory Requirements

The civil and construction works shall be undertaken with all due regard to the minimisation of environmental effects and to meet all statutory requirements. The key environmental legislation applicable to the proposed development works are as follows: Environmental Planning and Assessment Act 1979;

Environmental Protection and Biodiversity Conservation Act 1999;

Environmental Offences and Penalties Act 1996;

Environmentally Hazardous Chemicals Act 1985;

OHS Amendment (Dangerous Goods) Act 2003;

Protection of the Environment Operations Act 1997;

Contaminated Land Management Act 1997;

Work Health and Safety Act 2011; and

Noxious Weed Act 1993.

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4. Planning

This section outlines the key construction activities likely to take place, and the plant likely to be used for the project.

4.1 Construction Activities

The specific details of the key construction activities would be determined at the award of the construction contract. Essentially the key construction activities will involve: Early Works

Implementation of the tree protection measures (refer Section 5.4);

Undertake pre-construction works under the VMP (refer Section 5.3);

Complete stormwater management measures in the riparian zone and down gradient of the proposed development (refer Section 5.6);

Demolish existing buildings and structures as required. Hazardous building materials assessments have been completed;

Remediation of soil contaminants identified at the site. EIS (2015a) has identified minor soil contaminants that could be easily managed / remediated through excavation, waste classification and off-site disposal. The remediation activities are subject to the preparation of a Remediation Action Plan (RAP), as recommended in EIS (2015a);

Site preparation works including establishing site offices and amenities and construction traffic zones (refer Section 4.5);

Bulk excavation of soils and bedrock for basement construction. Main Construction Works

Excavation of localised soils and bedrock for shallow footings;

Pier boring for deep footings;

Site levelling and grading;

Construction of the new buildings off Avon Road; and

Construction and associated infrastructure, hardstand and landscaping areas.

4.2 Plant and Equipment

The expected plant and equipment to be used during the civil works include:

Tracked excavators;

Bobcat;

Semi-trailers for materials and equipment delivery and removal of surplus materials;

Concrete mixer trucks;

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Dewatering pumps;

Hand-held compaction equipment;

Portable generators;

Bulldozer;

Grader; and

Mulcher. The specific details of the plant and equipment to be used during key construction activities would be determined at the award of the construction contract.

4.3 Construction Schedule

The specific details of the construction schedule would be determined at the award of the contracts for the early works and main construction. Essentially, the schedule will follow that outlined in Section 4.1. 4.4 Construction Hours

Construction hours would generally be limited to 7.00 am to 7.00 pm Monday to Friday and 8.00 am to 4.00 pm Saturday, unless stipulated otherwise in the Ku-ring-gai Council Development Control Plans (DCPs). No construction works would be undertaken on Sunday or public holidays without prior approval from the consent authority.

4.5 Construction Traffic Management

Traffix (2015a) outlines the expected programme of works and site access arrangements. A more detailed assessment will be made prior to construction when construction contractors have been appointed and a programme of works has been finalised. In order to implement the tree protection measures and undertake early works including the VMP, erosion and sediment control measures, and to install the stormwater management features as presented in npc (2015) the existing access roads / tracks will be utilised, where possible, as shown on Drawing 2, Appendix A. These tracks will only be used by small bobcat machinery to access the stormwater management features. Some additional tracks will be formed as shown on Drawing 2, Appendix A to access stormwater works areas. These tracks will only be formed with the agreement of the Project Arborist. Works outside of the existing roads / tracks will be undertaken in the Conservation Area by hand. Prior to utilising the roads / tracks by light machinery, the Project Arborist (refer Section 5.1) will inspect and approve the tree protection measures implemented. During the early works of demolition and excavation, trucks will be loaded on site with access provided via the existing driveways on Avon Road (refer Figure 4, Appendix A – extracted from Traffix, 2015a), with all trucks to enter and exit the site in a forward direction. Traffic Controllers will manage all truck

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entry and exit manoeuvres to the site and Works Zone. All site entry / exit manoeuvres will occur under Traffic Controller supervision in a forward direction. During the construction and fit out, site access will be provided from Avon Road utilising an existing access driveway to provide access to the works zone. It is noted that once the permanent vehicular access driveway has been constructed, this will be utilised by contractors for parking of private vehicles in the basement carpark. All vehicles will enter and exit the site in a forward direction, Traffic Controllers will manage all truck entry and exit from the Works Zone to and from Avon Road. Refer to Figure 5, Appendix A (extracted from Traffix 2015a). Traffic (2015a) states that RMS certified Traffic Controllers will be on-site during all stages of construction to supervise / manage all truck entry and exit manoeuvres to the site and Works Zone from Beechworth Road and Avon Road, ensuring all manoeuvres are undertaken in a forward direction. The proposed arrangements are considered acceptable and will ensure that pedestrian access and safety is maintained at all times. 5. Environmental Management

5.1 Structure and Responsibilities

This section provides an outline of staff responsibilities of key personnel that have obligations with respect to the development, implementation and monitoring associated with the CEMP. The details of responsibilities will be provided in the construction contractor’s detailed CEMP.

The Project Superintendent (PS) would manage the project on behalf of Ausbao Pymble Pty Ltd.

The key responsibilities of the PS include:

Accountability for overall delivery and compliance with regulatory requirements including the conditions of approval;

Allocating resources and funding as appropriate;

Conducting regular reviews of progress;

Providing direction and feedback on progress as required;

Reviewing the project objectives;

Ensuring all stakeholders’ needs are addressed;

Reviewing the CEMP as required;

Managing customer or community complaints;

Approving any environmental reports required to be submitted to relevant authorities;

Liaison with stakeholder agencies and community groups regarding the project;

Leading safety and incident management, risk assessments and complaints management; and

Providing input into works scheduling.

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Ausbao Pymble Pty Ltd will appoint an Environmental Manager to oversee the contractor’s environmental management performance through the construction phase. The Environmental Manager is to be a responsible person with at least 5 years experience in supervising the restoration of degraded native ecosystems and with at least a university degree in natural sciences to supervise, co-ordinate and document conservation works. The key responsibilities of the Environmental Manager includes:

Reviewing and approving the detailed CEMP prepared by the appointed contractor;

Reviewing and approving minor revisions to the CEMP, to check they are consistent with the approved CEMP and approval conditions;

Ensuring compliance with the Vegetation Management Plan (VMP), with specific responsibilities as outlined in Table 4, Appendix B (extract from the VMP);

Reviewing and approving any design changes, to ensure that environmental issues are adequately assessed and are consistent with the project approval and conditions of approval;

Reviewing the induction and training program for construction personnel and monitoring its implementation;

Advising on matters of statutory compliance including matters specified in the conditions of approval;

Periodically monitoring the construction activities to evaluate compliance with the CEMP, and its associated plans and procedures;

Issuing environmental action requests and non-conformance reports to the contractors via the PS, if and when necessary;

Directing the Contractor to stop work immediately if, in the Environmental Managers’ view, an unacceptable impact on the environment is occurring or is likely to occur or to require other reasonable steps to be taken to avoid or minimise any adverse impacts. In such a situation, the Environmental Manager would liaise with the PS so that a direction to stop work is given in accordance with the contract; and

Immediately advising HWC of any major incidents relevant to the conditions of approval resulting from construction.

Ausbao Pymble Pty Ltd will appoint a Project Arborist to monitor and report regularly to the Principal Certifying Authority and the client on the condition and protection of the retained trees for the duration of the construction works. The Project Arborist will be experienced in tree protection on construction sites and will have the following key responsibilities:

Prior to commencement of site preparation, clearing, weed or tree removal, clearly identify and number all trees to be retained;

Instruct and approve the alignment and construction of tree protection fencing;

Supervise all tree and woody weed removal works;

Supervise and instruct any required canopy pruning;

Monitor any excavations, machine trenching, machine movements, or compacted fill within the tree protection zones of retained trees;

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Prepare or review (if prepared by the contractor) a log of daily activities within the tree protection zones of retained trees;

Certify the tree protection measures at key stages of the construction, which are likely to include:

Prior to commencement of site preparation or bulk earthworks

At completion of approved tree removal

At completion of bulk earthworks

At completion of basement and ground floor slab construction

At completion of building and driveway construction

Prior to Occupation Certificate

12 months post occupation certificate The appointed contractor is to appoint a Project Manager. The key responsibilities of the contractor’s Project Manager (PM) include:

Completion of all environmental requirements prior to the commencement of construction;

Ensuring the requirements of the CEMP are carried out and achieved during construction and, if required, modification of the CEMP to satisfactorily achieve the required environmental outcomes;

Implement contractor’s environmental policy;

Obtain outstanding environmental approvals;

Ensure all project personnel receive environmental training;

Ensure non-conformance reports are investigated and appropriate corrective actions are implemented;

Co-ordinate emergency responses;

Monitor overall environmental management performance;

Communicate with external parties;

Ensure sub-contractors comply with CEMP;

Stop work in the event of a pollution incident; and

Review and endorse a weekly environmental inspection report. The contractor is to appoint an Environmental Officer. The key responsibilities of the contractor’s Environmental Officer (EO) include:

Finalise the CEMP;

Conduct staff environmental training;

Advise the PM, or in their absence the Project Engineer (PE), to stop work in the event of pollution incident;

Undertake weekly site inspections and complete the associated environmental inspection report;

Participate in environmental management reviews;

Periodically revise CEMP as required;

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Manage collection and review environmental monitoring data;

Issue non-conformance reports;

Review emergency response procedure following a pollution incident; and

Prepare incident reports as required. The appointed contractor is to appoint a Project Engineer. The key responsibilities of the contractor’s Project Engineer (PE) include:

Manage the implementation of environmental management procedures;

Inspect environmental controls daily;

Ensure appropriate emergency response equipment is maintained on site;

In the absence of the EO complete the weekly environmental inspection report;

Manage the construction site;

Communicate with internal parties;

Undertake environmental monitoring under the supervision of the EO;

In the absence of the PM, stop work causing a pollution incident; and

Record the daily rainfall and the dates of all water discharges and inspections of environmental controls.

5.2 Site Security

The site will remain secure at all times, in particular during earthworks, remediation and construction at the site to prevent incidents involving persons not permitted to access the site. The appointed contractor will detail the security measures in the detailed CEMP.

5.3 Vegetation Management Plan

The VMP applies to the Blue Gum High Forest (BGHF) Conservation Area (approximately 0.90 ha) and at least 10 m wide managed bushland buffer zone (approximately 0.22 ha in the east), as shown on Figure 1A, Appendix A. The following management objectives have been set in the VMP: 1. Protection of the Conservation Area.

2. Earthworks to remove introduced materials and create ephemeral ponds

3. Weed control.

4. Stimulate natural regeneration through managed disturbance.

5. Enhance the local native vegetation through revegetation and planting.

6. Increase awareness of the conservation value of the vegetation.

7. Monitoring and maintenance.

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The satisfaction of each management objective will be contingent on meeting specific targets. The specific targets associated with each management objective as well as the outline of details of the vegetation management are presented in the attached Table 4, with timeframes for completion of the tasks required to achieve each management objective. The implementation of the VMP is to commence with the phase of initial seed collection, earthworks, primary weed removal, and planting – after which ongoing maintenance will be required, as specified by the Environmental Manager. Reference must be made to the VMP for the details of pre-construction, during construction, and post construction management measures to be implemented in the above zones.

5.4 Tree Protection Measures

TWM (2015) outlines and tree management plan (tree protection measures) to be implemented as part of the development. Reference must be made to TWM (2015) for specific details, however the measures are summarised as follows:

An Arborist experienced in tree protection on construction sites is to be engaged prior to and for the duration of the project, as detailed in Section 5.1;

Prior to any site preparation, clearing, weed or tree removal all retained trees are to be identified and numbered by the Project Arborist;

Tree protection fencing is to be erected as per TMW (2015);

All tree removal works must comply with the Draft WorkCover Code of Practice for Tree Work. Every effort must be made not to damage adjacent retained trees;

Tree crown pruning (where required) is to be confirmed by the Project Arborist;

There shall be no soil batters within the tree protection zones of retained trees;

Hand trenching or directional drilling may be required for stormwater works where trenching is adjacent to or within the tree protection zones;

The Tree Protection Plan drawing is to be kept in the site office during the construction works to guide tree protection procedures.

5.5 Traffic Management

A Traffic Management Plan to be implemented during the construction phase of the project will be prepared and implemented by the appointed construction contractor. The details will be included in the detailed CEMP. The traffic management principles outlined in the Construction Traffic Management Plan (Traffix, 2015a) will be adopted.

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5.6 Erosion and Sediment Control Plan

Soil and water quality impacts associated with the project will be managed during remediation and construction works. The potential impacts include:

Potential for inundation of low-lying ground;

Potential for cross contamination of materials; and

Excavation may expose highly erosive soils which may lead to sediment run-off and siltation of nearby water bodies or the storm water drainage system.

To manage the above impacts, a detailed erosion and sediment control plan will be prepared by the construction contractor and included in the detailed CEMP. The following general control measures will be adopted: Table 2: General Control Measures to Reduce Erosion and Sedimentation Impacts

Item Control Measures

1 The site must be enclosed with a suitable security fence to minimize disturbance by preventing vehicular and pedestrian access to restricted areas.

2 Erosion and sediment control devices are to be installed prior to the commencement of the remediation, bulk earthworks and building construction.

3 Erosion and sediment control devices are to be maintained throughout the entire duration of the development and for a minimum of three month period after the completion of the project, where necessary.

4 Sediment traps will be installed on site around all affected stormwater inlets and drainage lines in accordance with Council’s guidelines. Additional sediment traps will be installed at locations of primary surface runoff to the drainage gully within the site.

5 All sediment traps must be maintained until the site has been rehabilitated (i.e. turf installed or grass cover established)

6 All ingress / egress access ways will be effectively stabilized, e.g. use of wash down facilities for vehicle tyres or shaker pads, so that the erosion hazards are lowered and soil materials are unlikely to be tracked onto public roads.

7 Whenever possible, construction works will not be scheduled when there is a significant potential for rainfall and during heavy storm events.

8 Street sweeping will be undertaken as required.

Further requirements in terms of the management of erosion and sediment during the construction phase at the site are outlined in npc (2015). Figure 3, Appendix A (extract from npc, 2015) shows the erosion and sediment control plan for the site.

5.7 Monitoring of Truck Loads Entering and Existing the Site

A daily record shall be maintained of trucks entering and exiting the site. The records shall include the registration number, company, time entering/leaving, load details and source or destination (as

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appropriate). The record will also report daily logs of truck movements, daily progress, abnormal occurrences, incidents, load characteristics and landfill weighbridge disposal dockets. If materials are required to be disposed to landfill, landfill weighbridge disposal dockets will need to be obtained and provided to the contractor (and subsequently the remediation consultant) for correlation with the site records.

5.8 Bulk Earthworks, Excavation and Spoil Management Plan

Prior to commencement of bulk basement excavation any soil remediation requirements (to be outlined in the RAP) are to be implemented and validated such that no soils identified for remediation remain at the site at the time of bulk excavation commencement. This will eliminate the potential for cross-contamination of materials. A detailed spoil management plan will be prepared by the construction contractor and included in the detailed CEMP. The following general management measures will be adopted: Table 3: Spoil Management Measures


1 Ensure all environmental (erosion and sediment) control measures are in place prior to excavation.

2 Stockpiles of excavated spoil must be located such that the material does not spill onto the road pavement and is not placed in drainage lines or watercourses and cannot be washed into these areas.

3 Materials that require off-site disposal should be classified in accordance with the EPA waste classification guidelines or resource recovery exemptions as appropriate and disposed of to an appropriate landfill.

4 Minimize the size and height of stockpiles to 2 meters if possible

5 Construct stockpiles with no slope greater than 2:1 (horizontal to vertical). A less steep slope may be required once the surrounding area is flattened to reduce dust emission

6 Apply periodic dampening, where necessary, to suppress dust from being released.

7 Stockpiled materials must have a sediment control fence.

8 Materials will be managed through procurement processing such that only the necessary stockpile material for the project is stored on site.

9 Contaminated stockpiles must be stockpiled on appropriately durable plastic sheeting and coved with similar sheeting during rain periods and at the end of each day.

5.9 Fire Prevention Plan

Potential sources of fire in a construction site include the use/storage of flammable liquids on-site (e.g. fuels, oils), smoking, and the presence of combustible materials at the site (e.g. wood, mulch, paper waste) which may be ignited through inappropriate waste disposal (e.g. glass).

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A detailed fire prevention plan will be prepared by the construction contractor and included in the detailed CEMP. The following general control measures will be adopted to minimise the potential for fires at the site: Table 4: Fire Prevention Plan


1 Placement of clear signs on display indicting that flammable liquids are not permitted onsite, or are to be stored in a designated area with appropriate containment measures.

2 Smoking is to be prohibited at the site, unless a designated and controlled smoking area can be provided.

3 Stockpiles of combustible material such as wood should be placed in small piles or windrows so that if fire does occur any burning material can be kept to minimum.

4 All fuels or flammable liquids for operational use will be stored in an appropriately ventilated and secure store and in general accordance with WorkCover guidelines. All flammable liquids will be stored within a bund of 110% capacity of the volume of those flammable liquids so that any release of raw or burning fuel would not cause a fire in the filled waste, or impact on stormwater.

5 Personnel are trained to put out fires as required.

6 Fire fighting equipment (e.g. fire extinguishers in the site office(s) and in stores) are to be made available and be maintained in good working condition.

7 Provision of a permanent water source to be made available in case of emergencies.

8 Whenever possible, all vehicles and equipment maintenance which includes welding or ‘hot work’ processes are to be conducted off site.

15 The lighting of fires shall be prohibited onsite.

5.10 Air Quality Control Plan

The construction works are expected to generate a number of atmospheric emissions including:

exhaust emissions from plants and machinery; and

dust generation from various activities including earthworks, stockpiling and material transportation; and

The main objective of the air quality control plan is to control the above identified air emission sources and to protect the local air quality. This can be achieved through the implementation of various control mechanisms detailed below. A detailed plan will be outlined by the appointed construction contractor.

5.10.1 Vehicles and Plant Emissions

In order to reduce air emissions created by the use of vehicles and other similar equipment that generate air emissions, the following set of procedures and controls measures are recommended.

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Table 5: Control Measures to Reduce Vehicle Exhaust & Plant Emissions


1 All vehicles and machinery must use clean fuels (e.g. low sulphur content) as accessible, fitted with appropriate emission control equipment, maintained frequently and serviced to manufactures’ specifications.

2 Heavy equipment is to be serviced and any emissions filters or catalytic converters (in the case of petrol engines), if any, are to be tested for integrity. If the filters or catalytic converters are defective, replacement should be made prior to equipment use on site.

3 Only machineries that comply with the appropriate emission standards will be permitted for use on site (emissions to be checked by visual inspection and recorded).

4 Plant and equipment not in use shall be switched off to avoid idling and reduce air emissions.

5.10.2 Dust Emissions

Dust emissions will be produced on a daily basis during the remediation and construction works through the following activities:

Earthworks and movement of vehicles.

Transport of spoil and the potential wind erosion of exposed areas and/or stockpiles. The generation of dust has the potential to cause nuisance to those exposed. In order to reduce the production of dust during the bulk earthworks and construction activities, the contractor is recommended to implement the procedures and control measures below. Table 6: Control Measures to Reduce Dust Levels


1 Use of water or similar (e.g. spray grass or hydromulch as applicable) as dust suppressant in haul routes, excavation areas, and stockpiles.

2 When conditions are excessively windy and the dust emissions criteria from operations cannot be maintained, then all dust generating activities shall cease until dust suppression can be adequately carried out and dust levels at the site boundaries are acceptable. Similarly, work will cease during heavy rain periods.

3 Excavated material to be slightly watered before being transported, as required.

4 Provision of wet suppression during loading of trucks in instances of potential high dust environments.

5 Each truck prior to exiting the site, shall be inspected prior to despatch and either logged out as clean (wheels and chassis) or hosed down into the wheel wash or wash down bay until designated as clean.

6 Minimise traffic by properly scheduling materials delivery and excavation hauling to avoid peak traffic hours.

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7 Access roads and loading areas will remain on constructed hard stand for the duration of the project to prevent the tracking of mud/dirt onto public roads.

8 Cleaning of roads (as needed) and ensuring access ways are stabilised to be free of soils.

9 Silt and other materials will be removed from around the sediment and erosion control structures (e.g. sediment traps) to ensure deposits do not become a dust source.

5.11 Noise and Vibration Control Plan

Bulk earthworks, compaction, piling and general construction activities will generate noise and vibration. To limit the impact to surrounding area, the following general control measures are proposed to be implemented. Table 7: Control Measures to Minimise Noise and Vibration Impacts


1 Noise levels on the site will be maintained within the noise limits established by the Council and/or the EPA. This can be achieved by implementing the following:

Noise from equipment and vehicles used on site should not exceed manufacturers’ specifications.

Equipment should be regularly serviced; attention shall be given to muffler maintenance and enclosure of noisy equipment.

Acoustic covers on all machine engines that generate excessive noise levels and are to remain closed at all times.

2 Where possible, plant will be located and orientated to direct noise away from the neighbouring receptors.

3 Concentration of machinery must be as far away as practicable from the neighbouring receptors.

4 The noisiest construction activities should be restricted to between 7.00 am and 5.00 pm Mondays to Friday and 8.00 am to 1.00 pm Saturday, and endeavour to undertake as much preparation work as feasible in the day-time hours.

5 Deliveries will be carried out within standard construction hours.

6 All trucks will have mufflers and any other noise control equipment in good working order.

7 Inform neighbours about the nature of the construction stages and the vibration generating activities e.g. excavation, dynamic compaction and pile driving.

8 Organise demolition, earthmoving and ground impacting operations so as not to occur in the same time period whenever practicable.

9 Select demolition methods not involving impact where possible (e.g. hydraulic rock splitters rather than rock breakers).

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5.12 Waste Management Plan

All wastes generated from site activities are to be properly segregated according to type and that on-site storage arrangements are adequate to prevent environmental problems. In keeping with the principles of sustainability, initiatives and designated storage containers/areas should be introduced to maximise the reuse and recycling of all wastes generated during the remediation and construction works. Management measures to reduce wastes shall generally follow the principles of the waste minimization hierarchy that is (in order of preference):

1. Avoid waste at the source.

2. Reduce - Monitoring the purchasing and returning excessive packaging.

3. Reuse - Provide goods for reuse on site or another site.

4. Recycle - Send on to a recyclers for remanufacture as another product.

5. Disposed - As a last option waste will be sent to landfill including all putrescible wastes, contaminated wastes will be treated by an authorised disposal facility.

Listed below are the control measures to manage solid waste arising from the construction activities. A details waste management plan will be provided by the appointed construction contractor. Table 8: Waste Management Measures


1 Substantial construction bins or stockpiles shall be used for the collection of major recyclables such as concrete, bricks, steel and wood.

2 Install on-site waste receptacles, such as skips or bins, and wind-proof litter receptacles etc.

3 A program for regular collection / removal or emptying bins or skips will be implemented.

4 Any temporary stockpiles of waste shall be appropriately contained/ bunded within the site and dust mitigation measures used when required.

5 All litter will be confined and controlled within site boundaries by means of good site housekeeping.

6 Signs will be erected within the construction sites to encourage the reuse and recycling of recovered waste material.

7 Where possible, reuse and recycling recovered waste material will be undertaken on site.

8 Where the recyclable materials cannot be used on site they may be sold, exchanged or given away for off site use.

9 Aim to accurately estimate and order the quantities of materials required to avoid waste.

10 Any wastes that cannot be reused or recycled will be disposed of in accordance with the EPA waste classification guidelines and disposed of to an appropriate landfill.

11 No sewage, wastewater or effluent containing sand, cement, silt or any other suspended or dissolved materials or wastes shall be permitted to flow from the site into the surface waters.

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Regular and proper removal of such wastes containing liquid or solid wastes by mechanical devices or management practices shall be arranged.

12 Associated controls relating to sedimentation, run-off, accidental spillage and waste management will be strictly observed and adhered to in the handling of the excavated materials, whether clean or contaminated.

6. Environmental Monitoring and Auditing

Monitoring the implementation of environmental mitigation measures is vital to ensure that these measures are effective, and to examine methods that may be employed to further improve the performance of the control measures. The EO is responsible for monitoring the effectiveness of the control measures, for making alternations to the deployment of these measures, for documenting these changes and reporting changes made to the CEMP to the Environmental Manager.

6.1 Inspections

Inspections and surveillance of work activities and subcontractors would be undertaken on a day-to-day basis by the Site Manager and EO. The EO would develop a standard monitoring form that would be used to assess:

Communication;

Compliance with contractual requirements;

Knowledge of and compliance with the CEMP and work procedures and environmental controls used on site;

General work practices;

The effectiveness of environmental protection measures; and

The maintenance of environmental measures. A standard inspection form and schedule will be prepared by the appointed construction contractor and included in the detailed CEMP.

6.2 Internal Audits

Site auditing is the best way to measure environmental performance, review operating effectiveness of environmental protection measures and the best way to achieve satisfactory environmental outcomes through continual improvement. The EO would conduct regular internal audits. Areas of the project that may be audited include:

Compliance with the conditions of approval;

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Compliance with the CEMP;

Compliance with approval, permit and licence obligations;

Complaint response;

Subcontractor activities;

Training records;

Non-conformances; and

System documentation such as checklist and inspection completion and action sign out. A standard environmental audit schedule will be prepared by the appointed construction contractor and included in the detailed CEMP.

6.3 Corrective Actions

The purpose of the Audit Program is to identify areas of non-compliance on site, to set actions to improve areas of non-compliance, and to ensure compliance can be achieved. The Corrective Action Reports and follow-up action plans would be developed for non-compliances identified on site. The EO would ensure that the plans are appropriate and achievable. Developing follow-up action plans would involve the following steps:

List non-compliances identified on site;

Establish a framework within which the EO can implement the follow-up action plan;

Base this framework on a risk assessment that enables the EO to prioritise actions and determine the timeframe within which non-compliances identified can be addressed; and

Closely monitor the progress of the follow-up action plan and the implementation of the plan. and included in the detailed CEMP.

6.4 Environmental Reporting

Monthly environmental reports would be prepared by the EO and tabled for discussion at site meetings. The Report would include details on:

All cases of non-compliance with environmental obligations and the CEMP;

Actions resulting from environmental inspections and audits;

Actioning and reporting of all incidents;

Frequency of environmental checklists and actioning of concerns;

Complaints;

Incidents; and

Any other relevant issues.

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6.5 Document Control

Monitoring data, documents and records shall be maintained so that they are identifiable and readily available for inspection at any time during the works. 7. Limitations

Douglas Partners (DP) has prepared this CEMP for this project at Avon and Beechworth Roads, Pymble in accordance with DP’s proposal dated 15 May 2015 and acceptance received from Ms Meg Bartholomew of Pricewaterhouse Coopers on behalf of Ausbao Pymble Pty Ltd dated 20 May 2015. The work was carried out under DP’s conditions of Engagement. This report is provided for the exclusive use of Ausbao Pymble Pty Ltd for the specific project and purpose as described in the report. It should not be used by or relied upon for other projects or purposes on the same or other site or by a third party. DP has necessarily relied upon information provided by the client and/or their agents. This report must be read in conjunction with all the attached and should be kept in its entirety without separation of individual pages or sections. DP cannot be held responsible for interpretations or conclusions made by others unless they are supported by an expressed statement, interpretation, outcome or conclusion stated in this report. This report, or sections from this report, should not be used as part of a specification for a project, without review and agreement by DP. This is because this report has been written as advice and opinion rather than instructions for construction.

Douglas Partners Pty Ltd

Appendix A

Drawings

Notes About this Report

NORTH

CLIENT: Ausbao Pymble Pty Ltd Site Location PROJECT No: 84887.00

OFFICE: Sydney Avon and Beechworth Roads, Pymble DWG No: 1

DATE: 28 May 2015 CEMP REVISION: A

Approximate Site Boundary

CLIENT: TITLE: Construction Traffic Routes (Early Works) PROJECT No: 84887

OFFICE: Sydney DRAWN BY: PG Avon and Beach Roads, Pymble DRAWING No: 2

SCALE: NTS DATE: 23.7.2015 CEMP REVISION: 0

Ausbao Pymble Pty Ltd

LEGEND Existing roads / tracks (construction traffic routes) Proposed additional vehicle / machinery pathways (to be confirmed and approved by Project Arborist) Proposed temporary sediment basins Stabilised low flow channel Conservation Area

July 2010

Introduction These notes have been provided to amplify DP's report in regard to classification methods, field procedures and the comments section. Not all are necessarily relevant to all reports. DP's reports are based on information gained from limited subsurface excavations and sampling, supplemented by knowledge of local geology and experience. For this reason, they must be regarded as interpretive rather than factual documents, limited to some extent by the scope of information on which they rely. Copyright This report is the property of Douglas Partners Pty Ltd. The report may only be used for the purpose for which it was commissioned and in accordance with the Conditions of Engagement for the commission supplied at the time of proposal. Unauthorised use of this report in any form whatsoever is prohibited. Borehole and Test Pit Logs The borehole and test pit logs presented in this report are an engineering and/or geological interpretation of the subsurface conditions, and their reliability will depend to some extent on frequency of sampling and the method of drilling or excavation. Ideally, continuous undisturbed sampling or core drilling will provide the most reliable assessment, but this is not always practicable or possible to justify on economic grounds. In any case the boreholes and test pits represent only a very small sample of the total subsurface profile. Interpretation of the information and its application to design and construction should therefore take into account the spacing of boreholes or pits, the frequency of sampling, and the possibility of other than 'straight line' variations between the test locations.

Groundwater Where groundwater levels are measured in boreholes there are several potential problems, namely: • In low permeability soils groundwater may

enter the hole very slowly or perhaps not at all during the time the hole is left open;

• A localised, perched water table may lead to an erroneous indication of the true water table;

• Water table levels will vary from time to time with seasons or recent weather changes. They may not be the same at the time of construction as are indicated in the report; and

• The use of water or mud as a drilling fluid will mask any groundwater inflow. Water has to be blown out of the hole and drilling mud must first be washed out of the hole if water measurements are to be made.

More reliable measurements can be made by installing standpipes which are read at intervals over several days, or perhaps weeks for low permeability soils. Piezometers, sealed in a particular stratum, may be advisable in low permeability soils or where there may be interference from a perched water table.

Reports The report has been prepared by qualified personnel, is based on the information obtained from field and laboratory testing, and has been undertaken to current engineering standards of interpretation and analysis. Where the report has been prepared for a specific design proposal, the information and interpretation may not be relevant if the design proposal is changed. If this happens, DP will be pleased to review the report and the sufficiency of the investigation work. Every care is taken with the report as it relates to interpretation of subsurface conditions, discussion of geotechnical and environmental aspects, and recommendations or suggestions for design and construction. However, DP cannot always anticipate or assume responsibility for: • Unexpected variations in ground conditions.

The potential for this will depend partly on borehole or pit spacing and sampling frequency;

• Changes in policy or interpretations of policy by statutory authorities; or

• The actions of contractors responding to commercial pressures.

If these occur, DP will be pleased to assist with investigations or advice to resolve the matter.

July 2010

Site Anomalies In the event that conditions encountered on site during construction appear to vary from those which were expected from the information contained in the report, DP requests that it be immediately notified. Most problems are much more readily resolved when conditions are exposed rather than at some later stage, well after the event.

Information for Contractual Purposes Where information obtained from this report is provided for tendering purposes, it is recommended that all information, including the written report and discussion, be made available. In circumstances where the discussion or comments section is not relevant to the contractual situation, it may be appropriate to prepare a specially edited document. DP would be pleased to assist in this regard and/or to make additional report copies available for contract purposes at a nominal charge. Site Inspection The company will always be pleased to provide engineering inspection services for geotechnical and environmental aspects of work to which this report is related. This could range from a site visit to confirm that conditions exposed are as expected, to full time engineering presence on site.

Appendix B

Table 4 (extract from the VMP)

Anne Clements & Associates Pty Limited 1 of 6

Table 4: Targets and actions required for the implementation of the Vegetation Management Plan The following management objectives have been set: 1. Protection of the Conservation Area. 2. Earthworks to remove introduced materials and create ephemeral ponds 3. Weed control. 4. Stimulate natural regeneration through managed disturbance. 5. Enhance the local native vegetation through revegetation and planting. 6. Increase awareness of the conservation value of the vegetation. 7. Monitoring and maintenance. Management Objectives

Targets Actions Time frame Responsibility

1 to 7 Appoint Environmental Manager.

Appoint an Environmental Manager (EM) with experience restoring degraded sites using large earthmoving equipment. The Environmental Manager is to be a responsible person with at least 5 years experience of supervising the restoration of degraded native ecosystems and with at least a university degree in natural sciences to supervise, co-ordinate and document conservation works.

Prior to commencement of works.

The client.

1, 6, 7 Prepare required induction document and environmental signs.

Prepare induction document to be signed by all persons entering the site.

Prior to commencement. Construction Manager and Environmental Manager.

1, 6, 7 All personnel entering the site inducted.

Induct all persons entering the site, explain the issues and sign the induction form.

Prior to and during the construction phase

Construction Manager in consultation with the Environmental Manager.


Management Objectives


1, 6, 7 Personnel remain aware of Environmental significance issues on the site.

Conduct regular tool box talks at which: - Personnel are reminded of the conservation

importance of the site to maintaining health of the catchment.

- Induction material listed above is reviewed.

- Current new issues are discussed.

Weekly or as specified by the Construction Manager and/or Environmental Manager during the construction phase.

Construction Manager in consultation with Environmental Manager.

1, 6, 7 All new residents made aware of environmental significance of the Site.

Produce and provide all new residents with an Environmental Awareness kit in which the location and significance of the Blue Gum High Forest are presented. Signpost the Blue Gum High Forest along the paths.

Post the construction phase. Body Corporate/Client in consultation with Environmental Manager.

2, 7 Protect fauna habitat. For all hollow-bearing trees being removed, the fauna expert needs to advise on the careful removal of fauna. The fauna expert may require that clearing be delayed to allow for completion of nesting and breeding requirements of the fauna species. Any required fauna reports are to be included in the monitoring reports.

Prior to the construction phase.

Environmental Manager, fauna expert in consultation with Environmental Manager, as required.

2, 7 Test results on water entering the site and flowing in the gully at time of rain events.

Test stormwater runoff in accordance with ANZECC 2000 guidelines, as specified by the Environmental Manager.

During rain events prior to commencement of works for the first stage of the development.

Environmental Manager.

2, 7 Source of contamination identified and corrected.

If nutrient, phosphorus or human faecal bacteria are identified in the stormwater runoff, then the source of contamination is to be identified and corrective strategies implemented.

Prior to commencement of works for the first stage of the development, and if plumes of weeds are detected in the Conservation Area.


2, 7 Water quality testing onsite

Record water quality at sampling points to test stormwater surface runoff in accordance with ANZECC 2000 guidelines and compare against baseline data at entry and exit points.

Post rain events, during the construction phase and post construction, and if plumes of weeds are detected in the Conservation Area.

Environmental Manager




1, 3, 4, 5, 7 Tagged and photographed the upper perimeter of the existing Blue Gum High Forest

Tag and photograph the upper perimeter of the local native canopy trees on site. Monitoring photographs during works.

Prior to the construction phase, during works and as part of the regular monitoring


1, 7 Fencing and protection measures implemented.

Fence the construction area to reduce accidental incursions into the Conservation Area.

Following soil testing, prior to construction work commencing upslope of the Conservation Area.


1, 7

Sediment control measures in place. Security fencing installed as required.

Install sediment control measures constructed from biodegradable low nutrient materials such as timber-staked jute fencing and/or windrows of removed weeds from the site (hay bales not to be used), as specified by the Environmental Manager.

Prior to the construction work commencing upslope of the Conservation Area.


3, 4, 5, 7

Remove at least 95% of primary weed cover

- Photograph weed cover prior to removal and regularly - Physically remove the surface layer of weeds, using excavation machinery or as specified by the Environmental Manager. - Remove the seed-bearing weed material to a licensed disposal site or to weed piles onsite - Carefully cut and paint weeds growing upslope in fill, with herbicide or hand weeded as specified by the Environmental Manager.

- Photograph/ monitor the areas post weed removal.

At commencement of works and gradually over time to minimise erosion risk


1, 7 All vehicles and machinery cleaned and inspected before entering the site.

- Clean and inspect all machinery and vehicles prior to entry and/or re-entry of the site. -Document the cleanliness of vehicles entering the site (records and photographs) and include within the early monitoring report.

During construction phase Environmental Manager in consultation with Construction Manager.




3, 4, 5, 7 Remove at least 95% of secondary weed cover

- Carefully remove secondary weeds downslope, as specified by the Environmental Manager. - Remove weed materials to a licensed disposal site, as appropriate.

During construction phase and gradually over time to minimise erosion risk


2, 7 Create ephemeral ponds - Carefully excavate, using an excavator, working progressively from upper section of gully to the lower section, as specified by the Environmental Manager. - Place rock as required to minimise erosion risk.

During the construction phase.

Construction Manager, in consultation with Environmental Manager.

1, 3, 4, 5, 7

Sediment control measures in the Conservation Area

Given the extensive weed cover in both the Conservation Area and in the buffer zone, the weeds need to removed and raked/placed in “rafts” (linear piles) along the contours to reduce the risk of downslope erosion. The rafting results in exposing soil surfaces to be scratched over by the Brush Turkey, which may increase potential germination from the native soil seed bank.

During construction, following each completed stage in the Conservation Area.

Environmental Manager in consultation with Construction Manager.

5, 7 Propagate 100 tubestock of local native trees (at least 32 required)

- Collect seed from trees growing onsite. - Propagate a mix of the local native tree species from seed collected from insitu trees collected onsite by specialist seed collectors.

Prior to and during the construction phase.

Specialist nursery propagator(s) in consultation with the Environmental Manager.

5, 7 Collect propagation material, including the ferns onsite.

- Propagation of local provenance plants for Landscape Areas and for Conservation Area in consultation with the Council bushland officers. - Propagate and collect the ferns if at risk from the drainage works as specified by the Environmental Manager. As many ferns as possible are to be grown from onsite material. 1000s of ferns are required for the Conservation Area and managed buffer zone to the Conservation Area.

Prior to and during the construction phase.

Specialist nursery propagator(s) in consultation with the Environmental Manager.




1, 7 Compliance with Rural Fires Requirements

Managed buffer zone to Conservation Area is to be managed as an Inner Protection Zone with continuous ground layer cover and canopy trees with non-touching canopies.

Post construction, prior to occupation of the buildings inspection by bushfire expert.

Environmental Manager prior to Occupancy. Corporation Body post Occupancy

7 Monitoring, corrective actions requests issued and implementation corrective actions.

Checking, monitoring, reporting. Updating targets.

During the construction phase and the monitoring phase.

Environmental Manager in consultation with the Construction Manager.

7 Monitoring from fixed transects and photographs from fixed points.

- Set up monitoring plots and fix photographic points. - Record the percent projected foliage cover of species from monitoring plots.

Prior to commencement of the works and during the monitoring period.


Long term for the life of the proposed development

3, 7 <5% total projected foliage weed cover in the Conservation Area and Buffer Zone

If any 10 m x 10 m patch of the BGHF Conservation Area had > 5% projected foliage cover by exotic species in the form of a weed plume, that the source of the possible nutrient enrichment be investigated as part of Corrective Action Requests, with water quality testing undertaken, including for E. coli (indicative of sewer leaks). The implementation of actions to address the contaminants must be undertaken and the weed cover re-assessed in the next annual monitoring and documented in the next Monitoring Report.

Yearly for the life of the proposed development.


5, 7 The long-term diversity target for the BGHF restoration onsite to reflect that of the BGHF in Sheldon Forest.

Permanent plots are to be established and regularly monitored. The percent projected foliage cover of each species is to be recorded. The data from 400 m2 plots in the Conservation Area are to be compared with the data recorded in the OEH 400 m2 plots in the Sheldon Forest BGHF reference site. The species diversity from 400 m2 reference plots are used as the biodiversity benchmarks.

Plots established prior to earthworks. Comparisons with reference site after Year 5.





5, 7 Recruitment of at least 1 canopy tree per 20 m x 20 m area

Supplementary seeding and planting of local provenance may be further required to encourage regeneration onsite.

As required. Environmental Manager

Monitoring and reporting

7 All rehabilitation works are monitored and reported regularly.

Monitoring, maintenance, reporting and corrective action requests. - Monitor all rehabilitation works and prepare reports detailing the progress and success of revegetation and rehabilitation works. - Include in reports: details of rainfall and stormwater; fauna sightings and associated works; works done and further works required; a photographic record of works and photographs

from the fixed monitoring points; data on vegetation structure and species

composition recorded from fixed transects. - Use the monitoring reports to assess the success of the conservation works against the targets. - Discuss results of the monitoring with the Construction Manager. - Forward reports to the client for distribution to the appropriate government departments and/or Certifier.

Month 1, Month 3, Month 6, Month 12, then yearly for the life of the proposed development.

Environmental Manager, Construction Manager and/or Body Corporate.

7 Maintenance and corrective actions are carried out as required. Maintenance and corrective actions are documented.

- Address any issues that arise through the monitoring process and implement corrective actions. - Document outcomes of implementation in the next monitoring report.

Month 1, Month 3, Month 6, Month 12, then yearly for the life of the proposed development.

Environmental Manager, Construction Manager and/or Body Corporate.


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