Nikau Street Stormwater Realignment works
Mt Eden Road shaft Nikau Street shaft Water Street shaft New pipe Old pipe Clash
Shaft Locations
Mount Eden Road Shaft
Water Street Shaft
Nikau Street Shaft
Draft Construction Programme Work Stages Apr-17 May-17 Jun-17 Jul-17 Aug-17 Sep-17 Oct-17 Nov-17 Dec-17 Jan-18 Feb-18 Mar-18 Apr-18 May-18 Mt Eden Road Shaft Nikau Street Shaft Water Street Shaft Pipe Jacking to Nikau Street Shaft Pipe Jacking to Water Street Shaft Site setup (including building demolition and utility diversion/protection) Piling (Not Nikau Street) Rockbreaking (Nikau Street Shaft only ) Shaft construction Pipe Jacking Permanent works and backfilling
Anticipated Resource Consent Requirements • Contaminated soils • Earthworks in an overland flow path • Construction noise • Groundwater take and diversion • Discharges to stormwater (precautionary) • Air discharge from earthworks area (precautionary)
Management Plan / Detailed Works Plans Acronym Construction Environmental Management Plan CEMP Erosion and Sediment Control Plan ESCP Contamination DWP CDWP Air Quality DWP AQDWP Transport, Access and Parking DWP TAPDWP Construction Noise and Vibration Management CNVMP Plan Historic Character DWP HCDWP Communication and Consultation Plan CCP Trees and Vegetation DWP TVDWP
Trees and Vegetation Stephen Bishop, Amenity Trees [c/o James Luty, Aurecon] 18 October, 2016
Trees to be removed within the designation
Mitigation Measures A replanting plan will be identified in a future urban design plan and will include (but may not be limited to) the following: • Replanting of trees at least 1:1 ratio. Trees to be 4-5m height in ground, with single clear trunk to minimum 1.6m, trunk to be no less than 50mm in diameter at 300mm above ground, in good robust health with suitably sized root ball • Area reinstatement • The inclusion of appropriate native species in the replacement and landscape plantings • Documentation of the input from the Auckland Council Parks Department with regard to tree species / vegetation selection, tree pit construction and positioning of replacement trees • An outline of the maintenance periods and responsibilities for a period of five years for specimen trees and three years for all other landscape planting
18 Any questions or comments?
Historic Character (Archaeology) Sarah Macready, Clough & Associates 18 October, 2016
Purpose of DWP Archaeology Section • Manage Adverse Effects on Archaeology • Provide a framework for avoidance, remediation or mitigation of historic heritage – archaeology • Designation Conditions compliance • Statutory requirements compliance
Project Area History • Māori settlement • 1860s subdivision • 1880s railway development
Project Area History Te Ipu-pakore (The cracked water bowl)
Project Area Archaeology • Former midden site • Former water source • Former 19 th century houses • 20 th century & later development
Management Measures in DWP • Project roles and responsibilities • Training • Mana whenua and archaeological protocols • Mitigation: - Monitoring, sampling and analysis - Documenting and reporting remains - Site interpretation (hoardings, stations)
25 Any questions or comments?
Erosion and Sediment Control Ross Donnelly, Aurecon 18 October, 2016
Agenda • Project Overview • Relevant Regulatory Requirements • Sediment and Erosion Control Principles • Specific Site Controls • Questions
Project Overview
Relevant Regulatory Requirements Technical Reporting Requirements • Auckland Council Regional Plan: Sediment Control 2001 • Auckland Council Regional Plan: Air, Land and Water 2013 • Proposed Auckland Unitary Plan – Decision Version 2016 (PAUP) Controls and Monitoring • Auckland Council Technical Publication 90: Erosion and Sediment Control Guidelines Referenced Reports • Water Quality Assessment (CRL-SYW-RME-000-RPT-0071) • Contamination Delivery Work Plan (CRL-SYW-RME-000-RPT-0073)
Sediment and Erosion Control Principles • Stabilised surfaces • Isolation of Construction Support Areas (CSAs) • Diversion of clean surface flows away from sites • Management of surface flows within site • Minimising storage of excavated materials • Settlement tanks • Protection of stormwater inlets • Super silt fences to stockpiles • Water quality monitoring
Water Street Shaft CSA
Mt Eden Shaft CSA
Nikau Street Shaft CSA
34 Any questions or comments?
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