Volume Two 9. Business 1 Zone 9.3.3. Residential activity. 9.3.3.1. Other than an entrance or lobby, and vehicle parking, residential activity must not be located on the ground level of a commercial building. 9.3.4. Excavation or filling. 9.3.4.1. The maximum volume of excavation must not exceed 20m per Computer 3 Register within any 24 month period. 9.3.4.2. The maximum volume of filling must not exceed 20m 3per Computer Register within any 24 month period. 9.3.4.3. The volume limits in Standards 9.3.4.1 and 9.3.4.2 do not apply in the following circumstances: (a) any excavation or filling associated with the construction of a fence; (b) Any excavation or filling associated with the establishment of the foundation of a building; (c) any excavation or filling carried out in accordance with a subdivision consent. 9.3.4.4. There must be no excavation in excess of 10m within a Groundwater 3 Protection Area. 9.3.4.5. Excavation or filling must not be within a Level 2 or 3 Flood Hazard Area. 9.3.4.6. 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. 9.3.5. Geotechnical bore drilling for the purposes of investigation of sub-surface conditions. 9.3.5.1. The bore must be drilled by a Recognised Professional. 9.3.5.2. 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 the drilling of the bore. 9.3.5.3. On completion of the geotechnical investigation, the bore must be sealed or capped to prevent any potential contamination of groundwater. 9.3.6. Application of an agrichemical into or onto land. 9.3.6.1. The agrichemical must be approved for use under the Hazardous Substances and New Organisms Act 1996. 9.3.6.2. The application must be undertaken in accordance with the most recent product label. All spills of agrichemicals above the application rate must be notified to Council immediately. 9.3.6.3. All reasonable care must be exercised in the application to ensure that the agrichemical must not pass beyond the legal boundary of the area of land on which the agrichemical is being applied. 9.3.6.4. The application must not result in the agrichemical being deposited in or on a river, lake, Significant Wetland or drainage channel that contains water. 9 – 5