20 March 2014 Chapter 32 - Urban Industrial Zone • Hazardous substances cannot enter the stormwater; or • There is an interceptor system in place to collect hazardous contaminants or diverted contaminated stormwater to a trade waste system; e) The above provisions do not apply to the drainage of naturally occurring wetlands or lakes; Note: The discharge of stormwater into the Coastal Marine Area is dealt with by the rules in the Coastal Marine Zone. 32.1.6 Hazards/Riparian Management 32.1.6.1 Except for internal alterations within an existing structure, building activity is not a Permitted Activity within the coverage of the Natural Hazards overlay identified on the Planning Maps. 32.1.6.2 Unless specified in the schedule of water bodies and Table 1 in Appendix I and the Ecology Maps in Volume Three, or to the contrary elsewhere in the Plan, all proposed buildings and structures shall be set back at least 8 metres from the top of any bank of any river, or where there is a stopbank at least 8 metres from the landward toe of that stopbank, except that this shall not apply to road structures across rivers. Buildings and structures shall be set back at least 20 metres from the coast, lakes and wetlands. 32.2 Controlled Activities Application must be made for a resource consent for a Controlled Activity for: • Discharges to Air 32.2.1 Discharge to Air Subject to Industrial Zone Rule 32.1.5.1.6 the discharge into air from an industrial or trade premise, or from a non-moving source that is not an industrial or trade premise, of the products of combustion from fuel burning equipment used for generating heat or electric power using: a) Methane or natural or liquefied petroleum gas for the purposes of generating heat or electric power at a rate not exceeding of 50 Megawatts; or b) Untreated wood, coal or oil, excluding waste oil, for the purposes of generating heat or electric power at a rate not exceeding 10 Megawatts 32.2.2 Standards Where the limits specified in Rules 32.2.1(a) and 32.2.1(b) above apply to the cumulative generated heat or electric power produced by the specified fuel within the same premises and: 32 - 13