Marlborough Sounds Resource Management Plan 37.1.3.4 Fire Safety All hazardous facilities where flammable hazardous substances are either used or stored shall have adequate fire safety equipment in place in compliance with the requirements of the Dangerous Goods Regulations. 37.1.3.5 Signage All hazardous facilities shall be adequately signposted according to the most recent version of the Code of Practice for Warning Signs for Premises Storing Hazardous Substances of the New Zealand Chemical Industry Council. 37.1.3.6 Emergency and Evacuation Plan All hazardous facilities shall have in place an emergency and evacuation plan which deals with possible on-site accidents involving hazardous substances. A current copy of the plan may be lodged with the Council. 37.1.4 Land Disturbance 37.1.4.1 Land Disturbance General Any land disturbance activity which meets the conditions below is a Permitted Activity. a) Any increase in the concentration of suspended sediment shall not be more than 20% as measured by the ‘black disk’ method, notwithstanding that the concentration of suspended sediment in fun-off water shall not exceed 200 grams/cubic metre at any point of discharge to any receiving water. The effects on the receiving water are to be measured at a distance downstream of two widths of the receiving watercourse or 50 metres, whichever is the lesser; b) No woody material of greater than 100mm diameter shall be left in any permanently flowing river, lake, wetland or sea as a result of a land disturbance operation; and c) All land disturbance sites are to be stable when subject to a storm event of return frequency probability of 10% or less. 37.1.4.1.1 Exception Except any land disturbance activity that does not comply with the above conditions or is in an area identified as a hazard area that is required for the purposes of constructing or providing access to any structure requiring a building permit under the Building Act, shall not be a Permitted Activity, with no restriction on the exercise of Council’s discretion. 37.1.4.2 Excavation and Filling 37.1.4.2.1 Gradients The gradient of any side cut excavation must not exceed an average of 9.5° (1:6) and must not exceed 11.3° (1:5) along any length of more than 20 metres. 37.1.4.2.2 Water Control and Culverts Stormwater controls, water table cut-offs, and culverts are to be installed to ensure that erosion does not occur on the inside edge of the cut. No culvert size less than 300mm may be used to drain any side-cut excavation. 37 - 4