NZ Transport Agency Assessment of Effects
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Waimakariri Southbound Lane and Shared Use Path TABLE OF CONTENTS 1. Introduction......................................................................................................................... 9 1.1. The Applicant ......................................................................................................... 9 1.2. Summary of the Proposal ....................................................................................... 9 1.3. Purpose and Scope of this Report ........................................................................... 9 1.4. Reason for Application and Approvals Required ..................................................... 9 1.5. Site Location......................................................................................................... 10 2. Project Background .......................................................................................................... 12 3. Proposal ............................................................................................................................ 14 4. Existing Environment ....................................................................................................... 20 4.1. Overview .............................................................................................................. 20 4.2. Natural and Physical Environment ........................................................................ 21 4.3. Potential for Land Contamination ......................................................................... 23 4.4. Summary of the Sensitivity of the Environment .................................................... 24 5. Activity Status ................................................................................................................... 25 6. Assessment of Environmental Effects ............................................................................ 26 6.1. Positive Effects ..................................................................................................... 26 6.2. Construction Effects ............................................................................................. 26 6.3. Groundwater Effects ............................................................................................. 26 6.4. Surface Water Effects ............................................................................................ 27 6.5. Effects on Aquatic Ecology ................................................................................... 27 6.6. Summary of Effects .............................................................................................. 28 7. Consultation...................................................................................................................... 29 8. Notification Assessment .................................................................................................. 30 8.1. Public Notification ................................................................................................ 30 8.2. Limited Notification .............................................................................................. 31 9. Statutory Assessment ...................................................................................................... 33 9.1. Introduction ......................................................................................................... 33 9.2. Resource Management Act 1991 .......................................................................... 33 9.3. National Planning Provisions ................................................................................ 36 9.4. Regional Planning Provisions ................................................................................ 36 9.5. Summary of Statutory Assessment ....................................................................... 37 CNC ALLIANCE September 2018 6 Waimakariri Southbound Lane and Shared Use Path 10. Conclusion ........................................................................................................................ 38 APPENDIX A: CRC182001 Conditions ......................................................................................... 39 APPENDIX B: Christchurch Northern Corridor Project Alignment ............................................ 40 APPENDIX C: Waimakariri River Works Management Plan ........................................................ 41 APPENDIX D: Original Consent Application (CRC182001) ......................................................... 42 APPENDIX E: Objectives and Policies Assessments ................................................................. 43 APPENDIX F: Tuahiwi Marae Meeting Minutes............................................................................ 44 CNC ALLIANCE September 2018 7 Waimakariri Southbound Lane and Shared Use Path Glossary of Abbreviations Item Description CNC Christchurch Northern Corridor ECan Environment Canterbury CCC Christchurch City Council WDC Waimakariri District Council LWRP Land and Water Regional Plan WRRP Waimakariri River Regional Plan RMA Resource Management Act NPS National Policy Statement CNC ALLIANCE September 2018 8 Waimakariri Southbound Lane and Shared Use Path 1. Introduction 1.1. The Applicant The New Zealand Transport Agency, herein referred to as the Transport Agency, proposes to construct, use and maintain an additional southbound lane on the Waimakariri Bridge (SH1), and extend the shared use path to connect Christchurch City with the Waimakariri Regional Park. The Transport Agency is a Crown entity with its objective, functions, powers and responsibilities set out in the Land Transport Management Act 2003 and the Government Roading Powers Act 1989. The Transport Agency is also a requiring authority under section 167(3) of the RMA. Its statutory objective “is to undertake its functions in a way that contributes to an effective, efficient, and safe land transport system in the public interest". The Transport Agency’s purpose is to create transport solutions for a thriving New Zealand. The Transport Agency shapes New Zealand’s transport networks and people’s safe and efficient use of them, and connects families, helps businesses take goods to market, and helps others work, study and play. An integrated approach to transport planning, funding and delivery is taken by the Transport Agency. This includes investment in public transport, walking and cycling, local roads and the construction and operation of State Highways. The Transport Agency exhibits a sense of social and environmental responsibility when undertaking this work. 1.2. Summary of the Proposal The Transport Agency is applying for a change to the conditions as per S.127 of the RMA for CRC182001 (attached as Appendix A), which was granted on 24th November 2017 to permit the Transport Agency to install culverts, bridges, and stormwater outlets and undertake associated installation works in and over the bed of rivers. It is intended that the change will allow the use of the crane pad in the bed of the Waimakariri River for the construction of the third southbound traffic lane at the same time as the northbound lane. 1.3. Purpose and Scope of this Report The purpose of this report is to provide an Assessment of Effects on the Environment (AEE) to accompany the application for the resource consents, in accordance with Section 88 and Schedule 4 of the Resource Management Act 1991 (RMA). This AEE Report describes the proposal, provides an assessment of the consenting requirements under the RMA and the relevant statutory documents, and demonstrates consistency with non-statutory documents. It also provides information on the nature of the receiving environment and an integrated assessment of actual and potential environmental effects that could occur as a result of the proposed activities. 1.4. Reason for Application and Approvals Required CNC ALLIANCE September 2018 9 Waimakariri Southbound Lane and Shared Use Path CRC182001 was granted on 24th November 2017 to permit the Transport Agency to install culverts, bridges, and stormwater outlets and undertake associated installation works in and over the bed of rivers. The location of the consent is described as the Northern Arterial Motorway and QEII Drive in north Christchurch, and the structures listed in Condition 4 include: a) New culverts within the Kaputone Creek (three), Prestons Creek, and Wilsons Drain; b) Extensions to the existing culvert at Shirley Stream; c) A new Styx River Bridge; d) Stormwater outfalls at the Wilsons Drain Branch; Kaputone Creek, Styx River and Preston Creek; and e) Additional lane over the Waimakariri Bridge. As shown on location plans CRC182001A to CRC182001K, which form a part of this consent. The “additional lane” stated in Condition 4(e) refers to the additional northbound lane that was consented as a part of the original bundle of CNC Alliance consents. CRC182001 permits the construction of a crane pad in the bed of the Waimakariri River, with a temporary access causeway. Since the consent was granted, The Transport Agency has decided to expand the southbound portion of the SH1 bridge at the same time. These works involve the construction of an additional traffic lane, and the installation of a southbound shared use path in the form of a clip-on to the edge of the bridge. Both the new north and south bound traffic lanes are being constructed in the median of the bridge, atop existing headstocks that were designed to support the increased capacity. It is proposed to change the