Supporting Technical Assessments

Erosion and Sediment Control Assessment Report Rev. 0 This is an uncontrolled copy if photocopied or printed from the Intranet. Copyright © 2016, SouthernSkies Environmental Ltd. All rights reserved. Page 15 of 30 • Maintaining and enhancing amenity values;8 • Managing natural hazard effects on people, property, and environment;9 • Reducing adverse effects associated with air quality; 10 • Ensuring the adverse effects of regionally significant industry and primary production are avoided, remedied or mitigated;11 4.2.3.Waikato Regional Plan The Waikato Regional Plan (WRP) became operative on 28 September 2007. The WRP provides direction regarding the use, development and protection of natural and physical resources in the Waikato region. The key themes within WRP that are of most relevance to the construction phase of the Project include seeking to ensure that:12 • soil productivity, versatility and capability is maintained; • there are no adverse effects on water quality, aquatic ecosystems and wetlands that are inconsistent with water management outcomes sought within the WRP; • there is no increase in the adverse effects of flooding or land instability hazards; • accelerated infilling of rivers and wetlands is avoided and the rate of infilling of artificial watercourses, excluding structures designed to trap sediment, is minimised; • significant adverse effects on natural character and ecological values associated with land is avoided; • there are no adverse effects on air quality that are inconsistent with air quality outcomes sought by the WRP; and, • damage to property and infrastructure is avoided. 4.3. High Level Analysis of Statutory Matters As set out in sections 5 and 6 of this report, OGNZL is proposing to adopt best practice erosion and sediment control principles and management techniques to ensure that the effects of construction phase activities are appropriately managed. In this regard, this report has been reviewed by technical experts in the fields of freshwater ecology, terrestrial ecology, water, contaminated land, landscape and air quality. Where necessary to avoid, remedy or mitigate the effects of construction phase activities and to meet the policy directives described in sections 4.2.1 to 4.2.3, further recommendations will be provided by the experts and incorporated into the final SSESCPs and CMTP (as relevant) prior to WRC certification and works commencing. It is therefore anticipated that the aforementioned policy directives will be achieved. 5. ASSESSMENT METHODOLOGY This ESCAR follows an overall Best Management Practice (BMP) approach to the earthworks activities which combines the minimum design standard with appropriate staging and other controls, based on the characteristics of the individual component areas. The ESC design approach is illustrated in Figure 6. This ESCAR provides the overarching principles of the ESC implementation, and the various procedures that will be implemented, 8 Objective 3.21 and associated polices, Waikato Regional Policy Statement. 9 Objective 3.24 and associated polices, Waikato Regional Policy Statement. 10 Policy 5, Waikato Regional Policy Statement. 11 Policy 4.4, Waikato Regional Policy Statement. 12 Objective 5.1.2, Waikato Regional Plan.

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