INFORMATION REGARDING ENVIRONMENTAL AUDIT REPORTS
August 2007
VICTORIA’S AUDIT SYSTEM AUDIT REPORT CURRENCY An environmental audit system has operated in Audit reports are based on the conditions encountered Victoria since 1989. The Environment Protection Act and information reviewed at the time of preparation 1970 (the Act) provides for the appointment by the and do not represent any changes that may have Environment Protection Authority (EPA Victoria) of occurred since the date of completion. As it is not environmental auditors and the conduct of possible for an audit to present all data that could be independent, high quality and rigorous environmental of interest to all readers, consideration should be audits. made to any appendices or referenced documentation An environmental audit is an assessment of the for further information. condition of the environment, or the nature and extent When information regarding the condition of a site of harm (or risk of harm) posed by an industrial changes from that at the time an audit report is process or activity, waste, substance or noise. issued, or where an administrative or computation Environmental audit reports are prepared by EPA- error is identified, environmental audit reports, appointed environmental auditors who are highly certificates and statements may be withdrawn or qualified and skilled individuals. amended by an environmental auditor. Users are Under the Act, the function of an environmental advised to check EPA’s website to ensure the currency auditor is to conduct environmental audits and of the audit document. prepare environmental audit reports. Where an environmental audit is conducted to determine the PDF SEARCHABILITY AND PRINTING condition of a site or its suitability for certain uses, an environmental auditor may issue either a certificate or EPA Victoria can only certify the accuracy and statement of environmental audit. correctness of the audit report and appendices as presented in the hardcopy format. EPA is not A certificate indicates that the auditor is of the opinion responsible for any issues that arise due to problems that the site is suitable for any beneficial use defined with PDF files or printing. in the Act, whilst a statement indicates that there is some restriction on the use of the site. Except where PDF normal format is specified, PDF files are scanned and optical character recognised by Any individual or organisation may engage appointed machine only. Accordingly, while the images are environmental auditors, who generally operate within consistent with the scanned original, the searchable the environmental consulting sector, to undertake hidden text may contain uncorrected recognition environmental audits. The EPA administers the errors that can reduce search reliability. Therefore, environmental audit system and ensures its ongoing keyword searches undertaken within the document integrity by assessing auditor applications and may not retrieve all references to the queried text. ensuring audits are independent and conducted with regard to guidelines issued by EPA. This PDF has been created using the Adobe-approved method for generating Print Optimised Output. To assure proper results, proofs must be printed, rather AUDIT FILES STRUCTURE than viewed on the screen. Environmental audit reports are stored digitally by This PDF is compatible with Adobe Acrobat Reader EPA in three parts: the audit report (part A), report Version 4.0 or any later version which is downloadable appendices (part B) and, where applicable, the free from Adobe’s Website, www.adobe.com. certificate or statement of environmental audit and an executive summary (part C). A report may be in colour FURTHER INFORMATION and black-and-white formats. Generally, only black- and-white documents are text searchable. For more information on Victoria’s environmental Report executive summaries, findings and audit system, visit EPA’s website or contact EPA’s recommendations should be read and relied upon only Environmental Audit Unit. in the context of the document as a whole, including Web: www.epa.vic.gov.au/envaudit any appendices and, where applicable, any certificate Email: [email protected] or statement of environmental audit.
Page 1 of 33 AUDIT REPORT EXECUTIVE SUMMARY
Table 1: Summary of audit information
Summary information required 53V 53X
EPA file reference no 61892-1
Auditor Phillip Hitchcock
Auditor term of appointment 21 July 2007 to 20 July 2008
Name of person requesting audit Daniel Charisiou
Relationship to premises/location Owner
Date of request 27 February 2007
Date EPA notified of audit 13 March 2007
Completion date of the audit 22 October 2007
Reason for audit Environmental Audit Overlay
Description of activity High density residential with basement car parking
Current land use zoning Business 2 Zone
EPA region South Metro
Municipality City of Glen Eira
Dominant - Lot on plan Lot 17 PS006431 Volume 6827 Folio 348
Additional - Lot on plan(s) Lot 1 Title Plan 157313N Volume 6767 Folio 261
Site/premises name
▪ Building/complex sub-unit No N/A
▪ Street/Lot - Lower No No. 9
▪ Street/Lot - Upper No N/A
▪ Street Name Morton
▪ Street type (road, court, etc) Avenue
▪ Street suffic (North, South etc) N/A
▪ Suburb Carnegie
▪ Postcode 3163 eg GDA94 - Longitude/latitude in decimal degress to six GIS coordinate of site centroid decimal places
Page 2 of 33 ▪ Longitude/Northing (GDA94) 145.058781
▪ Latitude/Easting (GDA94) -37.886799
Site area (hectares) 0.25ha Members and categories of support team utilised Dr Sim Ooi – Human Health Risk Assessment
Outcome of the audit Statement
Further works or requirements Implementation of Site Management Plan (SMP)
Nature and extent of continuing risk To be managed through the implementation of the SMP = Mandatory information required
Table 2: Physical site information
Summary information required 53V 53X
Site aquifer formation Tertiary Brighton Group
Average depth to groundwater 3-4m
Groundwater segment B
Groundwater flow direction South to south east Manufacturing of rubber goods and timber furniture, and has also Past use/site history been used for the storage of motor vehicle spare parts. To the south and east by residential properties. To the north and north east by Carnegie Railway Station, railway line and associated car park. To the west by a former garage or workshop that is currently not Surrounding land use operating.
Proposed future use High density residential with basement carparking
Page 3 of 33 STATEMENT OF ENVIRONMENTAL AUDIT
ENVIRONMENT PROTECTION ACT 1970 STATEMENT OF ENVIRONMENTAL AUDIT
I, Phillip William Hitchcock of Environ Australia Pty Ltd, a person appointed by the Environment Protection Authority (‘the Authority’) under the Environment Protection Act 1970 (‘the Act’) as an environmental auditor for the purposes of the Act, having:
1) been requested by Mr Daniel Charisiou of Property Concepts Pty Ltd to issue a certificate of environmental audit in relation to the Site located at 9 Morton Avenue, Carnegie, Victoria, Lot 17 PS006431 Volume 6827 Folio 348 and Lot 1 Title Plan 15731N Volume 6767 Folio 261, City of Glen Eira, owned by Property Concepts Pty Ltd.
2) had regard to, among other things, I. guidelines issued by the Authority for the purposes of Part IXD of the Act, II. the beneficial uses that may be made of the site, and III. relevant State environment protection policies/industrial waste management policies, namely
• State Environment Protection Policy (Air Quality Management) • State Environment Protection Policy (Waters of Victoria) • State Environment Protection Policy (Groundwaters of Victoria) • State Environment Protection Policy (Prevention and Management of Contamination of Land) • Industrial Waste Management Policy (Prescribed Industrial Waste).
in making a total assessment of the nature and extent of any harm or detriment caused to, or the risk of any possible harm or detriment which may be caused to, any beneficial use made of the site by any industrial processes or activity, waste or substance (including any chemical substance), and
3) completed an environmental audit report in accordance with section 53X of the Act, a copy of which has been sent to the Authority and the relevant planning and responsible authority.
HEREBY STATE that I am of the opinion that
The site is suitable for the beneficial uses associated with Sensitive Use – High Density subject to the following conditions attached thereto:
1. This Statement is linked to the pattern of use defined in the attached Development Plans: • AC Goulding Pty Ltd , Drawing ME, Dated 17/10/07, issue A • Ground floor plan, Dated 13/9/07, dated 13/9/07, Amendment No 001, Sheet 2 • Sections plan, Dated 13/9/07, dated 13/9/07, Amendment No 001, Sheet 9 • Sections FF and GG plan, dated 15/10/07, Sheet 10
Page 4 of 33 • Elevation plan, dated 13/9/07, Amendment No 001, Sheet 7
any substantive change involving lowering of the basement invert level and altering of concrete capping, should be reviewed by an environmental auditor.
2. The entire site is to stay capped at all times and the basement must be ventilated.
3. The basement slab invert level should not be lower than RL 42.3m AHD.
4. The attached Site Management Plan (Site Management Plan, dated 19th October 2007, revision 3, produced by Bellwater Pty Ltd ) must be followed. The SMP includes requirements for the installation of an alarm system to address potential failure of a ventilation system and ventilation maintenance requirements and states that cap must not be breached.
5. The SMP must be enforced by the body corporate for the site and its existence should be noted on the Section 32 vendors statement for the site.
6. Groundwater is polluted and should not be used for the following Beneficial Uses: Maintenance of Ecosystems, Potable Water, Potable Mineral Water, Agriculture, Parks and Gardens, Stock Watering, Industrial Water Use and Primary contact recreation. The beneficial use for which the Auditor considers the site suitable is Buildings and Structures.
7. These conditions must be enforced through the Planning Permit conditions by the local government authority.
The condition of the site is potentially detrimental to one or more beneficial uses of the site. Accordingly, I have not issued a Certificate of Environmental Audit for the site in its current condition, the reasons for which are presented in the Environmental Audit Report. The terms and conditions that need to be complied with before a Certificate of Environmental Audit may be issued are set out as follows:
• Removal of any hydrocarbon impacted soil. • Groundwater would have to be cleaned up to restore all relevant beneficial uses.
Other related information
Dissolved phase hydrocarbons are present in groundwater beneath the Site. The auditor considers that the Site is not the original source of the groundwater contamination.
EPA Victoria has determined that groundwater has been cleaned-up to the extent practicable and has identified that the Site is within a Groundwater Quality Restricted Use Zone.
Any material excavated from the site and disposed off site should be classified and managed in accordance with relevant statutory regulations and EPA guidelines.
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This Statement forms part of an Environmental Audit Report (Environ Australia Pty Ltd, 9 Morton Avenue, Carnegie, Victoria, Report No. AS130089, 22nd October 2007). Further details regarding the condition of the site may be found in the environmental audit report.
DATED 6th February 2008
Signed
Phillip Hitchcock Environmental Auditor (appointed pursuant to the Environment Protection Act 1970)
Page 6 of 33 Page 7 of 33
FAN SCHEDULE 18 FAN MAKE MODEL S/APAØ FLA CONTROLE_BY POWER_BY 19 20 21 22 23
BICYCLE 24 25 STORAGE
EF-B.2
SAF-B.1 Stair 26 27 Up
RUBBISH ROOM
1 ST4 ST3 2 ST5 ST2 3 Up ST1 4 5 ST6
ST7 1 6 Up 7
ST8 Stair 8 Lift shaft 9 SAF-B.2 10 ST9 ST10 ST11 11 12 13 14 15 28 29 30 31 32 33 34 35 49 50 16 51 17 18 52 19 20 Up 47 Stair 53 Lift 54 48 shaft 36 37 38 39 40 41 42 43 44 45 46 55
ST24
Stair Page 8 of 33 Page 9 of 33 Page 10 of 33 Page 11 of 33 9 Morton Avenue Carnegie 19 October 2007 Rev 3
SITE MANAGEMENT PLAN 9 MORTON AVENUE, CARNEGIE, VICTORIA
1. INTRODUCTION
This Site Management Plan (SMP) details strategies for the management of contaminated groundwater for site occupants/workers following redevelopment of the Site by Property Concepts Pty Ltd.
The property is identified as Lot 17 PS006431 Volume 6827 Folio 348 and Lot 1 Title Plan 157313N Volume 6767 Folio 261, and is located at 9 Morton Avenue, Carnegie, Victoria (the Site). The Site is located approximately 10km south east of the Melbourne CBD, and is located in an area of mixed residential and commercial uses. The Site occupies an area of approximately 2500m2, and is triangular in shape.
The Site has previously been used for the manufacturing of rubber goods and timber furniture, and has also been used for the storage of motor vehicle spare parts.
Soil investigations undertaken indicated concentrations of potential contaminants of concern in the filling and underlying natural clays below protection of the environment and protection of human health based criteria. However groundwater investigations identified the presence of Phase Separated Hydrocarbons (PSH), dissolved phase hydrocarbon, Heavy metals, some PAHs, Cyanide and Phenols at locations across the Site.
After consultation with EPAV, some remediation works, involving PSH removal, were undertaken at the Site and involved:
Excavation of the whole Site to basement invert levels (2.8m bgs and 42.3 mAHD).
Installation of the basement wall support system comprising bored piers supported by an internal diaphragm wall and shotcrete. The diaphragm wall and shotcrete were installed to 2.1m below the current depth of the water table and were designed to cut off any migration of PSH from the upgradient source.
Installation of an excavation in the main area of PSH impact with the removal of PSH via a vacuum truck on three occasions over a period of 19 days.
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Concentrations of dissolved phase hydrocarbons remain in groundwater beneath the Site. The Site is not considered the source site. EPA Victoria have determined that groundwater has been cleaned-up to the extent practicable and has identified that the Site is within a Groundwater Quality Restricted Use Zone (GRUZ).
Based on the presence of remaining dissolved phase hydrocarbons in groundwater at the Site, a Vapour Risk Assessment (VRA) was undertaken to evaluate the potential impact of residual hydrocarbon contamination across the Site and potential health risks for the proposed medium density residential development with basement carparking. The VRA concluded that future users and construction workers of the proposed basement car park will not be impacted by the levels of hydrocarbons in groundwater.
The proposed management strategy in this EMP is to provide a long-term strategy for the overall environmental management of the Site, including requirements for the installation of an alarm system to address potential failure of a ventilation system and ventilation maintenance requirements, following site redevelopment.
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2. OBJECTIVES
The objectives of the EMP are as follows:
To summarise the identified environmental issues at the Site requiring management to ensure the adequate protection of onsite occupants and the surrounding environment;
To identify responsibilities for the management of the identified environmental issues at the Site;
To document environmental management measures to be implemented to address the identified environmental issues at the Site;
To document environmental monitoring and reporting requirements; and
To outline Corrective Action Procedures in the event that a complaint is received or monitoring indicates that improvements need to be implemented to address impacts.
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3. SITE DETAILS
The site details are summarised below in Table 3.1.
Table 3.1 – Site Identification
Site Address 9 Morton Avenue
Carnegie VIC 3163
(see Attachment 1, Appendix A)
Identifier Lot 17 PS006431 Volume 6827 Folio 348
Lot 1 Title Plan 157313N Volume 6767 Folio 261
(see Survey Plan as Attachment 2, Appendix A)
Municipality City of Glen Eira
Site Zoning Business 2 Zone (B2Z)
Site Area Approximately 2500m2
Current Use Vacant
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4. SITE MANAGEMENT (during construction)
4.1. Overview
As outlined in Section 1, dissolved phase hydrocarbons are present in groundwater at the Site. The following presents a summary of procedures to be followed during construction activities to minimise risks to human health.
4.2. Carpark Ventilation
4.2.1. Temporary Signage: Bellwater shall provide temporary perimeter signage advising of all construction workers that power to the basement mechanical ventilation must not be turned off, without prior work method statement and OH+S preventions instigated. Signage will also nominate evacuation procedure should basement ventilation alarm system be activated on equipment failure.
This signage will be maintained for the duration of the works, until final certificate of occupancy is issued.
4.2.2. Permanent Site signage: Bellwater International shall provide visible signage at all entry and exit points to the basement carpark, identifying maintenance contact number should alarm system be activated.
Signage will nominate contact numbers, inclusive of evacuation procedures.
4.2.3. Site protection Bellwater International will install temporary ventilation to the basement carpark, during constructions; all personnel inducted for works will be advised of all precautions on site to make safe all works within the basement.
During site works, Bellwater International will organise to dampen loose or dusty loads and dusty site conditions by recycled water spraying, until basement slab is complete.
All contractors’ vehicles / dump trucks or the like, leaving site shall clean the wheels and underside of trucks before leaving the site.
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To minimise soil and sediment from being discarded over crossovers and roadways, Bellwater International will construct a podium with a synthetic fabric underlay, with bluestone crushed rock min 200 thick, varying from 100 – 50mm rubble topping, rolled and compacted. This podium will allow for soil transportation vehicles to enter and leave site, minimising soil adhering to transport vehicles tyres.
Road sweepers, manual and mechanical will be incorporated to assist as necessary, during the course of excavations.
Permanent inspections will be maintained on all exit points of site, should transport vehicles tyres require manual cleaning.
Stormwater realm drains, if required will be protected with gravel sausage inlet filter system of similar.
Bellwater has full time construction management programs in place: Daily site clean Separation of waste into appropriate containers Perimeter site checks, for wind affected materials OHS permanent procedure to ensure a safe working site
4.2.4. Cleanliness of adjacent public areas: Bellwater International will provide on site disposal / waste collection points, for all contractors to ensure the site is kept clean, with all site debris in contact with the sub soil, associated with their contracted scope of works removed.
Within the site, adjacent to public roads, footpaths and working platforms, clean and free of dust, mud and debris by washing and sweeping, and as required, or as directed by Bellwater International site foreperson and OHS site officer.
4.2.5. Contacts Bellwater international liaison officer is Mr Nicolas Lamprou, Mr Lamprou is available at all time on mobile 0430 188 225, to assist in site queries, by all relevant workers and authorities.
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4.2.6. Amenities and site accommodation Bellwater International will provide required amenities and accommodation for all Site Personnel. Amenities and accommodation will not be located within the basement.
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5. SITE MANAGEMENT (post construction)
5.1. Application of SMP and Responsibilities
5.1.1. General
The SMP provides details of responsibilities and procedures for managing environmental issues with consideration to contamination exposure risks and environmental impacts at the Site and to surrounding land users. 5.1.2. Body Corporate
Ongoing management of the SMP shall be the responsibility of the Body Corporate (herein referred to as the SMP Manager). The SMP Manager shall work with tenants and any contractor(s) to address the ongoing management of environmental controls, and to identify and rectify any environmental concerns identified on the Site or by the community.
The Body Corporate as the SMP Manager is responsible for: Ensuring relevant parties are made aware of the content and requirements of the SMP; and
Implementing a formal process of approval and documentation of works required under this plan.
The SMP Manager is to ensure compliance with all relevant requirements outlined in this Plan and statutory requirements.
5.2. Site Management
5.2.1. Soil Management
It is understood that the proposed development comprises the entire site being capped with concrete with a ventilated basement. No services are to be installed below the basement invert level, and any maintenance of services will occur above the basement invert level. Therefore, no exposure to site soils will occur and the concrete will be maintained. As such, no soil management provisions are required.
It is a requirement of this SMP that the cap should not be breached at any time. To ensure that this requirement is met, a regular inspection of the cap is required. This will occur at the completion of capping, and annually thereafter. If the cap is
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breached at any time, a suitably qualified consultant must be notified as soon as practicable after the breach is identified.
5.2.2. Groundwater Management
EPA Victoria has identified that the Site is within a Groundwater Quality Restricted Use Zone. All access to groundwater will be restricted.
As such, no groundwater management provisions relating to potential access to groundwater beneath the site is required. It is noted that concentrations of dissolved phase hydrocarbons have been identified in groundwater, and the potential for vapour accumulation will be managed through the provisions outlined in the following section.
5.2.3. Ventilation Management
Ventilation Management procedures are required to address the potential accumulation of vapours in the basement carpark if the ventilation system fails.
Ventilation management is to be addressed through the following:
Implementation of a ventilation system to ensure adequate ventilation of the basement carpark at all times. The ventilation system is to be installed and maintained in accordance with the AC Goulding, Installation, Completion and Maintenance Plan, attached as Appendix A. Generally the carpark will be ventilated with 3 fans, two fresh air and one extraction, systems will run on time clocks, adjusting accordingly to peak usage; Inclusion of an alarm on the ventilation system to ensure that an alarm will sound immediately when the ventilation system fails to operate or at any time when the power is lost. Management system will ensure that the basement ventilation system will at regularly scheduled intervals be monitored and audited on the following: Air proving switches Alarm system checks Backup battery checks and replacements Strobe light testing Manual re-set only alarm Maintenance of all fans
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5.3. Maintenance Procedures and Schedule
5.3.1. Overview
Maintenance of the ventilation system is required on an ongoing basis, as per the schedule attached in the Installation, Completion and Maintenance Plan, attached in full in Appendix B. Inspection of the cap is also required. The maintenance schedule is summarised below in Table 5.1.
Table 5.1 – Maintenance schedule
Inspection Purpose Responsible Person/s Frequency
Assess adequacy of SMP Manager At completion of installation of ventilation construction works Suitably qualified system consultant
Assess operability of SMP Manager Monthly maintenance system Suitably qualified Quarterly consultant Annually
Following an SMP Manager Following incident environmental incident Suitably qualified consultant (if needed)
Assess the presence of SMP Manager At the completion of the cap construction works Suitably qualified consultant (if required)
Assess adequacy of the SMP Manager Annually cap Suitably qualified consultant (if required)
Records of all site inspections shall be kept for a minimum of two years. On completion of construction, the ventilation system is to be witness tested by the building surveyor as outlined in the Installation, Completion and Maintenance Plan (Appendix B).
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5.3.2. Incident Management and Emergency Response
The SMP Manager is responsible for ensuring the proper management of incident and emergency response systems.
All environmental incidents are to be reported to the Site Manager within 24 hours of becoming aware of the incident.
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5.4. SMP MONITORING
5.4.1. General
The effectiveness of the SMP should be reviewed periodically through a review process that checks each aspect of the SMP as outlined in the previous sections against its requirements and objectives to ensure that it is operating in a manner for which it was prepared.
Monitoring and review shall be the responsibility of the SMP Manager and consultation with an Environmental Consultant should be undertaken. 5.4.2. Non-conformances
A register of non-conformances shall be established and maintained for all active and resolved non-conformances. All non-conformances should be reviewed and corrective actions developed to prevent recurrence. Site specific construction plans should be revised wherever appropriate to reflect these corrective actions. 5.4.3. Complaints
All complaints should be referred to the SMP Manager and should be recorded with the following details:
date of complaint;
name, address and telephone number of complainant;
nature of complaint; and
response action taken and date. Where appropriate the complainant should be notified of action taken.
5.4.4. Record Keeping
Records should be kept of the following:
Changes to the SMP;
Minutes of meetings;
Reports/record of intrusive works undertaken ;
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Non-conformances and complaints; and
Approvals, certification and licences issued by statutory authorities.
5.4.5. Review
An annual review process shall be carried out to verify compliance to and effectiveness of the SMP. The review will be managed by the SMP Manager who will:
Undertake the reviews;
Maintain records of the review; and
Ensure corrective actions are promptly implemented.
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6. SUMMARY - SITE CONTROLS FOLLOWING DEVELOPMENT
6.1.1. Overview
Following completion of site works, it is necessary to ensure that there is no unacceptable risk to human health or the environment through the failure of the ventilation system.
This SMP has been formulated for the specific environmental management of hazards associated with site contamination. The foreseeable actions that could increase the risk, or impact, from the contamination and the required controls have been detailed. Any activity that has not been addressed in this SMP must be assessed to determine whether there will be a risk, or increased impact, from the contamination. 6.1.2. Notification Requirements
Notification of the presence of this contamination is required to Glen Eira Council and should be noted on the Section 32 vendors statement for the Site.
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APPENDIX A Attachment 1: Site Location Plan
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APPENDIX A Attachment 2: Site Survey Plan
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APPENDIX B AC Goulding Report
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Carpark Ventilation. Installation, Completion and Maintenance Plan
Section A General Description. The Carpark is to be ventilated via 3 fans and the Roller Door is to have 50% free area. Two Supply air fans will supply air to the Entry end of the carpark and a single fan will exhaust air to the atmosphere. The system will run on time clock with low speed being activated at off peak time and High speed being activated at High Peak. During construction hours the fans will operate at high speed.
Section B During Construction of this project we recommend the following: 1. As soon as the piling and retaining walls for the basement is completed, we recommend that the ductwork as per the attached drawing be installed. (You may have to add some anchoring points to suspend the ductwork off the floor in the forming of the columns surrounding the piles.) 2. Prior to the ground floor being formed. Provide temporary power to the control system to the fans 24 hour basis. The control system will be fitted with air proving switches which will sound an alarm at 80dba any time any of the fans fail to operate or at any time when power is lost. The alarm will be fitted with a backup battery which maintain the alarm any time 415 volt power is lost. A strobe light will also be fitted to the Alarm. The Alarm is to be manual re-set type. 3. During construction of the building of Ground and upper floors the exhaust system and alarms are to be in continual 24 Hour operation. 4. The system is to be in continual operation at all time until practical completion. All maintenance procedures in Section D are to be carried during the construction process and be signed off by Construction OHS Supervisor.
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Section C Practical Completion. On practical Completion of the building the system is to be witness tested by the building surveyor and full written Instructions, As Built Drawings, Wiring Diagrams, Balancing reports and Maintenance Manuals shall be provided for the system and handed to the Body corporate manger signed off by the building surveyor. Section D Maintenance Procedures. The following maintenance routine is to be completed and signed as follows:
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