Lighting Assessment WAI-985-000-REPLC-0019_Rev 0.Docx Waihi North Project Page 7 of 35 21/06/2022 Assessment of Environmental Effects: Lighting REVISION: 0 - Final 3. LIGHTING EFFECTS 3.1 BASIS FOR ASSESSMENT The Hauraki District Plan addresses lighting effects in Rule 8.2.5 “Glare and Lighting”. Section 8.2.5.1 (2) notes that lighting has the potential to create glare which can create a hazard and/or detraction from amenities. The section also notes that “lighting can be a cause of disturbance to residential amenities in a similar manner to noise”. Section 8.2.5.1 (4) notes that: “Lighting can be orientated or shaded in order that the spill of lighting remains within the site”. Section 8.2.5.2 (1) sets an environmental result that requires lighting to be managed in a way that “does not detract from the amenities of adjoining properties or zones and does not create a hazard to traffic”. The lighting standard set by the Rules (8.2.5.3 (2)) is: “In all zones, artificial lighting shall be installed, designed, shaded and arranged in order that the level of lighting measured horizontally or vertically at any point on or directly above the boundary of any adjacent site or road is no greater than 8.0 lux.” As illuminance (measured in lux) reduces in proportion to the inverse square of the distance from the luminaire, whilst applicable in many urban situations, this Rule does not adequately address potential lighting effects in a rural environment where light sources are often a significant distance from potentially effected locations. The effect being managed by the Rule, spill light (measured in lux), is often not the most relevant effect in rural locations. Australian and New Zealand Standard AS/NZS 4282: 2019, “Control of the obtrusive effects of outdoor lighting”, is a more relevant document to assess the effects against. This document represents good practice and is an update of Australian Standard AS 4282: 1997. It should be noted that AS/NZS 4282:2019 only considers the effects of outdoor lighting. It does not specifically address the effects of indoor lighting on the external environment i.e., the effects from lighting within buildings that is externally visible through windows or open doorways. The Waihi North Project has therefore been assessed against the Hauraki District Plan and the principles of AS/NZS 4282:2019. The potential lighting installations at each area of the WNP site are based upon the information provided in the Mitchell Daysh AEE, on observations made during the site visit, and on lighting practices normally employed during construction and operation of similar facilities. The lighting proposed at each mine location to support the construction and operation of the Waihi North Project is outlined below. Specific lighting design has not been undertaken, rather the lighting solutions are based upon those which could reasonably be required. Where appropriate, construction and operational lighting are considered at each mine location.
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