16. Coastal Marine Zone Volume Two 16.3.10.5. The clearance must not cause a safety hazard to other users of the river mouth. 16.3.10.6. There must be no contaminants released from equipment being used for the activity. 16.3.10.7. Fish passage must not be impeded. 16.3.10.8. Refuelling of equipment must not take place on any area of foreshore or seabed. 16.3.11. Clearance of sand, shell, shingle or other natural material from a stormwater outfall pipeline, drain or culvert. 16.3.11.1. Disturbance must be undertaken by non-mechanical means, or be undertaken by, or on behalf of, the Marlborough District Council. 16.3.11.2. Disturbance must be limited to the amount necessary to clear the outfall pipeline, drain or culvert for flood protection purposes. 16.3.11.3. All equipment must be removed from the site on completion of the operation. 16.3.11.4. The best practicable option must be adopted to avoid significant sedimentation. 16.3.11.5. The clearance must not cause a safety hazard to other users of the waterbody. 16.3.11.6. There must be no contaminants released from equipment being used for the activity. 16.3.11.7. Fish passage must not be impeded. 16.3.11.8. Refuelling of equipment must not take place on any area of foreshore or seabed. 16.3.12. Deposition of sand for beach replenishment or beach renourishment. 16.3.12.1. The deposition must be carried out by, or on behalf of, the Marlborough District Council. 16.3.12.2. Sand deposition must be limited to the amount necessary to replace what has been lost through natural processes. 16.3.13. Non-mechanical removal of natural material from the foreshore or seabed. 16.3.13.1. Natural material must not be removed from Shelley Beach, Picton Foreshore or Waikawa Bay. 16.3.13.2. No more than 0.5m 3of natural material, including but not limited to sand, shell or shingle but not including vegetation, must be removed by any individual within a calendar year. 16.3.14. Burial of a dead marine mammal or other dead marine fauna on the foreshore. 16.3.14.1. The marine carcass must have either resulted from a stranding or have been washed up on the foreshore through natural tidal processes. 16.3.14.2. It must not otherwise be practical to move the carcass to a more appropriate disposal location. 16.3.14.3. Iwi representatives must be notified prior to the commencement of the burial. 16.3.14.4. Disturbance to the foreshore or seabed must be limited to the minimum amount of disturbance necessary for carcass burial. 16 – 6