Ardglen Quarry Extension
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Ardglen Quarry Extension Environmental Assessment for Daracon Quarries June 2007 0038419 www.erm.com Delivering sustainable solutions in a more competitive world Ardglen Quarry Extension Project Carolyn Maginnity Manager: Signed: Environmental Assessment Date: 20 June 2007 for Daracon Quarries Partner: Mike Shelly June 2007 Date: 20 June 2007 Project No. 0038419 Environmental Resources Management Australia Pty Ltd Quality System This report has been prepared in accordance with the scope of services described in the contract or agreement between Environmental Resources Management Australia Pty Ltd ABN 12 002 773 248 (ERM) and the Client. The report relies upon data, surveys, measurements and results taken at or under the particular times and conditions specified herein. Any findings, conclusions or recommendations only apply to the aforementioned circumstances and no greater reliance should be assumed or drawn by the Client. Furthermore, the report has been prepared solely for use by the Client and ERM accepts no responsibility for its use by other parties. SUBMISSION OF ENVIRONMENTAL ASSESSMENT PREPARED UNDER THE ENVIRONMENTAL PLANNING AND ASSESSMENT ACT 1979 - SECTION 75 EA PREPARED BY Names: Michael Shelly Carolyn Maginnity Qualifications: BSc BURP Address: 53 Bonville Avenue, THORNTON NSW, 2322 PROPOSED DEVELOPMENT Daracon Quarries is proposing to extend the extraction area of the existing Ardglen Quarry. The extension will ensure the continuing availability of high quality aggregates for rail and civil construction in the Upper Hunter and New England regions. PROJECT APPLICATION Applicant Name: Buttai Gravel Pty Ltd (Daracon Quarries) Applicant Address: PO Box 299, Wallsend 2287 Land to be developed: Lot 1 DP 1001734 and Lot 218 DP 751028, Quarry Road, Ardglen Proposed Development Extension of an existing hard rock quarry ENVIRONMENTAL ASSESSMENT An environmental assessment (EA) is attached. CERTIFICATE I certify that I have prepared the contents of this EA and to the best of my knowledge it is in accordance with Section 75 of the EP&A Act and the Director Generals Requirements (DGRs); it contains all available information that is relevant to the environmental assessment of the development to which this statement relates; and it is true in all material particulars and does not, by its presentation or omission of information, materially mislead. Name: Michael Shelly Name: Carolyn Maginnity Signature: Signature: Date: 20 June 2007 Date: 20 June 2007 0038419EA / FINAL / June 2007 CONTENTS 1 INTRODUCTION 1.1 BACKGROUND 1 1.2 PROJECT OBJECTIVES 1 1.3 SITE CONTEXT 1 1.4 ENVIRONMENTAL ASSESSMENT APPROACH 2 1.5 REPORT STRUCTURE 3 2 DESCRIPTION OF THE PROJECT 2.1 PROPOSED DEVELOPMENT 4 2.1.1 QUARRYING 4 2.1.2 PROCESSING AND TRANSPORT 5 2.1.3 REHABILITATION AND FINAL LAND USE 6 2.1.4 ENDANGERED ECOLOGICAL COMMUNITY OFFSETS 10 2.2 NEED FOR THE PROJECT AND ALTERNATIVES CONSIDERED 12 3 STATUTORY PROVISIONS 3.1 NEW SOUTH WALES LEGISLATION 17 3.1.1 ENVIRONMENTAL PLANNING AND ASSESSMENT ACT 1979 AND REGULATION 2000 17 3.1.2 STATE ENVIRONMENTAL PLANNING POLICES 17 3.1.3 PROTECTION OF THE ENVIRONMENT OPERATIONS ACT 1997 19 3.1.4 MURRURUNDI LOCAL ENVIRONMENTAL PLAN 1993 19 3.2 COMMONWEALTH LEGISLATION 20 3.2.1 ENVIRONMENT PROTECTION AND BIODIVERSITY ACT 1999 20 4 STAKEHOLDER CONSULTATION 4.1 CONSULTATION WITH GOVERNMENT AUTHORITIES 23 4.1.1 GENERAL 23 4.1.2 PLANNING FOCUS MEETING 23 4.2 CONSULTATION WITH LOCAL COMMUNITY 25 4.2.1 KEY COMMUNITY ISSUES 26 4.3 ABORIGINAL COMMUNITY CONSULTATION 26 5 FLORA AND FAUNA 5.1 SURVEY RESULTS 28 5.1.1 VEGETATION COMMUNITIES 28 5.1.2 THREATENED FLORA 28 5.1.3 FAUNA HABITAT 28 5.1.4 FAUNA 29 5.1.5 THREATENED SPECIES 29 5.2 IMPACT ASSESSMENT 30 5.2.1 VEGETATION CLEARING AND HABITAT LOSS 30 5.2.2 HABITAT FRAGMENTATION AND CORRIDORS 30 5.2.3 THREATENED SPECIES 30 CONTENTS 5.2.4 COMMONWEALTH THREATENED AND MIGRATORY SPECIES 30 5.3 MITIGATION MEASURES 31 6 NOISE 6.1 EXISTING NOISE ENVIRONMENT 32 6.2 OPERATIONAL NOISE CRITERIA 33 6.2.1 GENERAL CRITERIA 33 6.2.2 PROJECT SPECIFIC NOISE GOALS 34 6.2.3 CUMULATIVE NOISE 34 6.2.4 ROAD TRAFFIC NOISE 35 6.2.5 SLEEP DISTURBANCE 35 6.2.6 BLASTING 35 6.3 PREDICTED NOISE LEVELS 36 6.3.1 SCENARIO 0–EXISTING SITUATION 36 6.3.2 SCENARIO A–OVERBURDEN STRIPPING 36 6.3.3 SCENARIO B–EXTRACTION 37 6.3.4 ROAD TRAFFIC NOISE 38 6.3.5 SLEEP DISTURBANCE 38 6.3.6 BLASTING AND VIBRATION 39 6.4 MITIGATION MEASURES 41 6.5 CONCLUSIONS 42 7 AIR QUALITY 7.1 IMPACT ASSESSMENT CRITERIA AND METHODOLOGY 43 7.2 EXISTING AIR QUALITY 43 7.3 ESTIMATED EMISSIONS 44 7.4 PREDICTED IMPACTS 45 7.4.1 PREDICTED PM10 (24 HOUR)IMPACTS 47 7.4.2 PREDICTED PM10 AND TSP (ANNUAL)IMPACTS 47 7.4.3 PREDICTED DUST DEPOSITION IMPACTS 47 7.5 DUST MITIGATION MEASURES 47 8 TRAFFIC AND TRANSPORT 8.1 EXISTING ROAD NETWORK 49 8.2 TRAFFIC GENERATION 49 8.3 ROAD IMPACT ASSESSMENT 50 8.4 RAIL OPERATIONS 50 8.5 CONCLUSION 51 9 WATER RESOURCES 9.1 BACKGROUND 52 9.1.1 CATCHMENT DESCRIPTION 52 9.1.2 GROUNDWATER 52 9.1.3 ENVIRONMENTAL VALUE OF RECEIVING WATERS 53 9.2 WATER MANAGEMENT 53 CONTENTS 9.2.1 OVERVIEW 53 9.2.2 CLEAN WATER RUNOFF 53 9.2.3 POTABLE WATER AND SEWAGE 54 9.2.4 PIT WATER AND RUNOFF FROM DISTURBED AREAS 54 9.3 IMPACTS 63 9.3.1 ALTERATION TO CATCHMENTS AND YIELDS 63 9.3.2 WATER QUALITY 63 9.3.3 MITIGATION MEASURES 63 10 CULTURAL HERITAGE 10.1 METHODOLOGY 64 10.2 SIGNIFICANCE AND IMPACTS 64 11 SOCIO-ECONOMIC IMPACTS 11.1 SOCIAL IMPACTS 66 11.2 ECONOMIC IMPACTS 67 11.3 SOCIO-ECONOMIC MANAGEMENT COMMITMENTS 69 12 VISUAL IMPACTS 12.1 VISUAL MODIFICATION 70 12.2 VISUAL SENSITIVITY 71 12.3 VISUAL IMPACT MATRIX 71 12.4 IMPACT ASSESSMENT 72 12.4.1 LANDSCAPE CHARACTER 72 12.4.2 VIEW POINT ANALYSIS 73 12.4.3 ASSESSMENT OF VISUAL IMPACT 73 13 DRAFT STATEMENT OF COMMITMENTS 13.1 INTRODUCTION 75 13.2 DRAFT STATEMENT OF COMMITMENTS 75 13.2.1 GENERAL 75 13.2.2 WATER MANAGEMENT 75 13.2.3 FLORA AND FAUNA 76 13.2.4 NOISE 78 13.2.5 BLASTING AND VIBRATION 79 13.2.6 AIR QUALITY 79 13.2.7 REHABILITATION 80 13.2.8 VISUAL AMENITY 80 13.2.9 CULTURAL HERITAGE 80 13.2.10 SOCIO-ECONOMIC 80 14 CONCLUSION 14.1 SITE SUITABILITY 81 14.2 ECOLOGICALLY SUSTAINABLE DEVELOPMENT 81 14.2.1 PRECAUTIONARY PRINCIPLE 82 CONTENTS 14.2.2 SOCIAL EQUITY INCLUDING INTERGENERATIONAL EQUITY 83 14.2.3 CONSERVATION OF BIOLOGICAL DIVERSITY AND MAINTENANCE OF ECOLOGICAL INTEGRITY 83 14.2.4 IMPROVED VALUATION AND PRICING OF ENVIRONMENTAL RESOURCES 84 14.3 BENEFITS OF THE PROJECT 85 REFERENCES GLOSSARY OF TERMS AND ACRONYMS ANNEXURES ANNEX A LETTER OF CONSENT ANNEX B THE DIRECTOR-GENERAL’S REQUIREMENTS ANNEX C COMMUNITY NEWSLETTER ANNEX D FLORA AND FAUNA ASSESSMENT ANNEX E NOISE ASSESSMENT ANNEX F AIR QUALITY ASSESSMENT ANNEX G TRAFFIC AND TRANSPORT ASSESSMENT ANNEX H CULTURAL HERITAGE ASSESSMENT LIST OF FIGURES FOLLOWS PAGE NO. FIGURE 1.1 LOCALITY PLAN 1 FIGURE 1.2 EXISTING QUARRY AND PROPOSED EXTENSION AREA 1 FIGURE 1.3 AERIAL VIEW OF SITE 2 FIGURE 2.1 CONCEPTUAL CROSS SECTIONS 8 FIGURE 2.2 FINAL LANDFORM 8 FIGURE 2.3 OFFSET PLAN 11 FIGURE 4.1 GEOGRAPHICAL EXTENT OF LANDHOLDERS CONSULTED 25 FIGURE 6.1 EXISTING EXTRACTION PROCESS AND RAIL LOADING (UNTREATED) 32 FIGURE 6.2 SCENARIO B-PROPOSED EXTRACTION,PROCESSING LOADING (UNTREATED) 37 FIGURE 7.1 CONCENTRATION CONTOURS CUMULATIVE PM10 (24 HOUR) 47 FIGURE 7.2 CONCENTRATION CONTOURS CUMULATIVE PM10 (ANNUAL) 47 FIGURE 7.3 CONCENTRATION CONTOURS CUMULATIVE TSP (ANNUAL) 47 FIGURE 7.4 CONCENTRATION CONTOURS DUST DEPOSITION GRAMS/M2/MONTH 47 FIGURE 9.1 WATER MANAGEMENT PLAN 53 FIGURE 12.1 PHOTO MONTAGE 72 FIGURE 12.2 VIEW POINT ANALYSIS 73 CONTENTS LIST OF PHOTOGRAPHS FOLLOWS PAGE NO. PHOTOGRAPH 1VIEW FROM NOWLANDS GAP LOOKOUT 73 PHOTOGRAPH 2VIEW FROM THE NEW ENGLAND HIGHWAY 73 LIST OF TABLES PAGE NO. TABLE 2.1 BIODIVERSITY OFFSET AREAS 10 TABLE 4.1 DIRECTOR-GENERAL’S REQUIREMENTS 24 TABLE 4.2 ABORIGINAL GROUPS CONSULTED 27 TABLE 6.1 SUMMARY OF EXISTING SITE NOISE AS DETERMINED FROM ATTENDED MEASUREMENTS 32 TABLE 6.2 SUMMARY OF BACKGROUND AND AMBIENT NOISE LEVELS 32 TABLE 6.3 INTRUSIVENESS CRITERIA FOR RECEIVER LOCATIONS 33 TABLE 6.4 EPA BASE AMENITY CRITERIA 34 TABLE 6.5 PROJECT SPECIFIC NOISE LIMITS 34 TABLE 6.6 NOISE MODELLING SUMMARY –SCENARIO 0 36 TABLE 6.7 NOISE MODELLING SUMMARY –SCENARIO A 37 TABLE 6.8 NOISE MODELLING SUMMARY –SCENARIO B 37 TABLE 6.9 NOISE MODELLING SUMMARY –EVENING AND NIGHT OPERATIONS WITH RAIL LOADING 38 TABLE 6.10 SLEEP DISTURBANCE IMPACT 39 TABLE 6.11 OVERPRESSURE LEVELS AT RECEIVERS 40 TABLE 6.12 GROUND VIBRATION LEVELS AT RECEIVERS 40 TABLE 7.1 PREDICTED GROUND LEVEL CONCENTRATION (ANNUAL AVERAGE) 45 TABLE 9.1 MONTHLY WATER BALANCE FOR CURRENT QUARRY CATCHMENT (15 HECTARES) 57 TABLE 9.2 MONTHLY WATER BALANCE FOR MID-RANGE QUARRY CATCHMENT,15YRS (26 HECTARES) 59 TABLE 9.3 MONTHLY WATER BALANCE FOR FINAL QUARRY CATCHMENT,30YEARS (37 HECTARES) 61 TABLE 12.1 VISUAL MANAGEMENT UNITS AND VISUAL SENSITIVITY 71 TABLE 12.2 VISUAL IMPACT MATRIX 71 TABLE 13.1 BIODIVERSITY OFFSET AREAS 76 EXECUTIVE SUMMARY INTRODUCTION Environmental Resources Management Australia Pty Ltd was engaged by Daracon Quarries (Daracon) to prepare this Environmental Assessment (EA). The report is prepared under Part 3A of the Environmental Planning and Assessment Act 1979 to accompany an application to the Minister for Planning for project approval for an extension to an existing hard rock quarry at Ardglen, New South Wales.