Volume Two 5. Urban Residential 1 & 2 Zone 5.3.10.13. For staged excavation or filling, any part of the excavation or fill area that has not been further developed within 12 months must be re-vegetated. 5.3.10.14. Where the excavation or filling results in areas of exposed soil, those areas must be re-vegetated within 12 months of the completion of the excavation or filling. 5.3.10.15. The fill must not contain any: (a) hazardous substances; (b) combustible or organic materials; (c) any other contaminant subject to chemical or biological breakdown; (d) liquids or sludge. 5.3.11. Geotechnical bore drilling for the purposes of investigation of sub-surface conditions. 5.3.11.1. The bore must be drilled by a Recognised Professional. 5.3.11.2. A copy of the bore log, including a grid reference identifying the bore location, must be supplied to the Council in a suitable electronic format within 20 working days of drilling of the bore. 5.3.11.3. On completion of the geotechnical investigation, the bore must be sealed or capped to prevent any potential contamination of groundwater. 5.3.12. Discharge of human effluent into or onto land. 5.3.12.1. There must not be a Council operated sewerage system designed for that purpose within 30m of the property boundary or 60m of the closest building. 5.3.12.2. The human effluent must be treated via an on-site wastewater management system which must be maintained in an efficient operating condition at all times. 5.3.12.3. There must be no increase in the rate of discharge due to an increased occupancy of the building(s). 5.3.12.4. There must be: (a) no ponding of effluent; (b) no run-off or infiltration of effluent beyond the property boundary or into a river, lake, Significant Wetland, drainage channel, Drainage Channel Network, groundwater or coastal water. 5.3.12.5. The discharge rate must not exceed 2000 litres per day, averaged over any 7 day period. 5.3.12.6. Effluent must be able to: (a) infiltrate through at least 600mm of unsaturated soil following primary treatment; or (b) infiltrate through at least 300mm of unsaturated soil following secondary treatment. 5.3.12.7. The discharge must not occur within a Groundwater Protection Area. 5.3.12.8. The discharge must not occur within 50m of a bore unless the bore intercepts the confined layer of Riverlands FMU or the confined layer of the Wairau Aquifer FMU. 5.3.12.9. The discharge must not be within a Level 3 Flood Hazard Area. 5 – 9