PENRITH CITY COUNCIL APRIL 2021 CONFIDENTIAL RIVER ROAD DEVIATION AND REGATTA PARK MASTER PLAN REVIEW OF ENVIRONMENTAL FACTORS River Road Deviation and Regatta Park Master Plan Review of Environmental Factors Penrith City Council WSP Level 27, 680 George Street Sydney NSW 2000 GPO Box 5394 Sydney NSW 2001 Tel: +61 2 9272 5100 Fax: +61 2 9272 5101 wsp.com REV DATE DETAILS A 15/04/2020 Draft REF B 16/11/2020 Draft REF – Revised to address TfNSW and Council comments C 1/04/2021 Final REF NAME DATE SIGNATURE Prepared by: Breanna Lord 1 April 2021 Reviewed by: Mark Maund 1 April 2021 Approved by: Jonathan Epselis 1 April 2021 This document may contain confidential and legally privileged information, neither of which are intended to be waived, and must be used only for its intended purpose. Any unauthorised copying, dissemination or use in any form or by any means other than by the addressee, is strictly prohibited. If you have received this document in error or by any means other than as authorised addressee, please notify us immediately and we will arrange for its return to us. PS108839-ENV-REP-001 RevC Confidential April 2021 TABLE OF ABBREVIATIONS ........................................................................... XI CONTENTS CERTIFICATION............................................................................ XIII EXECUTIVE SUMMARY .............................................................. XIV 1 INTRODUCTION ................................................................... 1 1.1 PROPOSAL BACKGROUND ................................................... 1 1.2 LOCATION AND STUDY AREA ............................................... 1 1.3 PURPOSE AND STRUCTURE OF THIS REPORT ................... 2 2 NEED AND OPTIONS CONSIDERED ............................... 4 2.1 NEED FOR THE PROPOSAL ................................................... 4 2.2 PROPOSAL OBJECTIVES....................................................... 4 ALTERNATIVES AND OPTIONS CONSIDERED .................................5 3 THE PROPOSAL ................................................................ 10 3.1 RIVER ROAD DEVIATION ..................................................... 10 3.2 GREAT WESTERN HIGHWAY ............................................... 11 3.3 REGATTA PARK MASTER PLAN ......................................... 19 3.4 ROAD DESIGN ...................................................................... 22 ROAD DESIGN CRITERIA ................................................................ 22 REGATTA PARK MASTER PLAN DESIGN ....................................... 26 3.5 MAJOR FEATURES ............................................................... 26 RIVER ROAD DEVIATION ................................................................ 26 REGATTA PARK MASTER PLAN ..................................................... 29 3.6 CONSTRUCTION ACTIVITIES ............................................... 31 CONSTRUCTION STAGES .............................................................. 31 CONSTRUCTION ACTIVITIES ......................................................... 34 PLANT AND EQUIPMENT ................................................................ 37 EARTHWORKS ................................................................................ 39 SOURCE AND QUANTITY OF MATERIALS ...................................... 39 CONSTRUCTION WORKFORCE...................................................... 39 TRAFFIC AND ACCESS ................................................................... 40 CONSTRUCTION HOURS AND DURATION ..................................... 41 3.7 ANCILLARY FACILITIES ....................................................... 43 3.8 UTILITIES............................................................................... 44 3.9 PROPERTY ACQUISITION .................................................... 46 CONTENTS (Continued) 3.10 OPERATION .......................................................................... 46 RIVER ROAD GREAT WESTERN HIGHWAY ................................... 46 GREAT WESTERN HIGHWAY ......................................................... 46 REGATTA PARK MASTER PLAN ..................................................... 46 4 STATUTORY AND PLANNING FRAMEWORK ............. 48 4.1 ENVIRONMENTAL PLANNING AND ASSESSMENT ACT 1979 ............................................................................... 48 4.2 STATE ENVIRONMENTAL PLANNING POLICIES ................ 48 STATE ENVIRONMENTAL PLANNING POLICY (INFRASTRUCTURE) 2007 .............................................................. 48 SYDNEY REGIONAL ENVIRONMENTAL PLAN NO 20 – HAWKESBURY-NEPEAN RIVER 1997 ............................................. 49 STATE ENVIRONMENTAL PLANNING POLICY NO 19— BUSHLAND IN URBAN AREAS ........................................................ 59 SEPP NO. 55 – REMEDIATION OF LAND ........................................ 59 4.3 LOCAL ENVIRONMENTAL PLANS ....................................... 59 PENRITH CITY COUNCIL LOCAL ENVIRONMENTAL PLAN ............ 59 4.4 OTHER RELEVANT LEGISLATION ....................................... 62 4.5 COMMONWEALTH LEGISLATION ........................................ 65 4.6 CONFIRMATION OF STATUTORY POSITION ...................... 66 4.7 LICENCES AND APPROVALS .............................................. 66 5 COMMUNITY AND STAKEHOLDER ENGAGEMENT ................................................................... 67 5.1 PREVIOUS CONSULTATION ................................................ 67 COMMUNITY FEEDBACK ................................................................ 68 5.2 ONGOING AND FUTURE CONSULTATION .......................... 68 COMMUNITY CONSULTATION ........................................................ 68 GOVERNMENT AND STAKEHOLDER CONSULTATION .................. 69 6 ENVIRONMENTAL ASSESSMENT ................................. 71 6.1 TOPOGRAPHY, LANDFORM AND SOILS ............................. 71 METHODOLOGY.............................................................................. 71 EXISTING ENVIRONMENT .............................................................. 75 POTENTIAL IMPACTS ..................................................................... 80 MITIGATION AND MANAGEMENT MEASURES ............................... 83 CONTENTS (Continued) 6.2 SURFACE WATER, GROUNDWATER AND WATER QUALITY ................................................................................ 87 METHODOLOGY.............................................................................. 87 EXISTING ENVIRONMENT .............................................................. 88 POTENTIAL IMPACTS ..................................................................... 89 MITIGATION AND MANAGEMENT MEASURES ............................... 96 6.3 RIVER PROCESSES .............................................................. 97 METHODOLOGY.............................................................................. 97 EXISTING ENVIRONMENT .............................................................. 97 POTENTIAL IMPACTS ................................................................... 101 MITIGATION AND MANAGEMENT MEASURES ............................. 101 6.4 BIODIVERSITY .................................................................... 102 METHODOLOGY............................................................................ 102 EXISTING ENVIRONMENT ............................................................ 106 POTENTIAL IMPACTS ................................................................... 109 MITIGATION AND MANAGEMENT MEASURES ............................. 114 6.5 ABORIGINAL CULTURAL HERITAGE ................................ 116 METHODOLOGY............................................................................ 117 EXISTING ENVIRONMENT ............................................................ 117 POTENTIAL IMPACTS ................................................................... 120 MITIGATION AND MANAGEMENT MEASURES ............................. 121 6.6 HISTORICAL HERITAGE ..................................................... 121 METHODOLOGY............................................................................ 122 EXISTING ENVIRONMENT ............................................................ 124 CRITERIA....................................................................................... 130 POTENTIAL IMPACTS ................................................................... 130 MITIGATION AND MANAGEMENT MEASURES ............................. 133 6.7 NOISE AND VIBRATION ...................................................... 135 METHODOLOGY............................................................................ 135 EXISTING ENVIRONMENT ............................................................ 137 CRITERIA....................................................................................... 141 POTENTIAL IMPACTS ................................................................... 146 MITIGATION AND MANAGEMENT MEASURES ............................. 154 6.8 AIR QUALITY ....................................................................... 159 METHODOLOGY............................................................................ 159 EXISTING ENVIRONMENT ............................................................ 159 POTENTIAL IMPACTS ................................................................... 159 MITIGATION AND MANAGEMENT MEASURES ............................. 160 CONTENTS (Continued) 6.9 VISUAL AMENITY ...............................................................