Volume Two 2. General Rules 2.3.20. Diversion of up to 500l/s of water from the Waihopai River into Gibson’s Creek for the purposes of instream protection. 2.3.20.1. The diversion must be managed by the Marlborough District Council. 2.3.21. Diversion of water from the Ōpaoa Loop into Roses Overflow for the purposes of river control. 2.3.21.1. The diversion must be managed by the Marlborough District Council. 2.3.22. Diversion of water from Significant Wetland W598 to Significant Wetland W599 for wetland augmentation at Rainbow Skifield. 2.3.22.1. The diversion must only be during the ski season. 2.3.22.2. The diversion must not cause the water level in Significant Wetland W598 to decrease by greater than one metre, as measured relative to a fixed reference point. 2.3.22.3. The instantaneous rate of the diversion must not exceed 100l/s. 2.3.22.4. Each diversion must be recorded, including the water level in Significant Wetland W598 before and after water is diverted, the volume of water diverted and the duration of the diversion. The records of all diversions during each ski season must be provided to the Council by 1 December of the same year, or at other times when requested. 2.3.23. Diversion of water in the Floodway Zone. 2.3.23.1. The diversion is only permitted when carried out by the Marlborough District Council exercising its functions, duties and powers under the Soil Conservation and River Control Act 1941, the Land Drainage Act 1908 and in accordance the Marlborough District Council Rivers and Drainage Asset Management Plan, and the Marlborough District Council Marlborough Rivers Gravel Extraction Strategy. 2.3.23.2. The works must only be carried out working in an upstream direction. 2.3.23.3. Redundant channels must be left open at the downstream end in a manner that ensures that fish stocks are not entrapped. 2.3.23.4. The full length of the redundant channel must be surveyed for stranded fish. Any stranded fish found must be relocated to the same river immediately upstream of the diversion. 2.3.23.5. The Nelson Marlborough Fish and Game Council and the Department of Conservation must be informed of the proposed works at least 5 working days prior to works commencing. 2.3.23.6. The diversion must be necessary for maintaining the stability of the riverbank in the vicinity or for facilitating the removal of gravel or sediment for river control purposes. 2.3.23.7. Any discharge of sediment into water associated with the activity must not, after reasonable mixing, cause a change in colour of more than 5 Munsell units or a decrease in clarity of more than 20% for more than 8 hours in any 24 hour period and more than 40 hours in total in any calendar month. 2 – 7