Volume Two 21. Floodway Zone 21. Floodway Zone Unless explicitly specified, these rules apply to river control and drainage works only 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, or the Marlborough District Council Marlborough Rivers Gravel Extraction Strategy. 21.1. Permitted Activities Unless expressly limited elsewhere by a rule in the Marlborough Environment Plan (the Plan), the following activities shall be permitted without resource consent where they comply with the applicable standards in 21.2 and 21.3: [R, D] 21.1.1. Maintenance or reconstruction of a stopbank that is structurally weak, damaged or that has developed isolated low points. [R, D] 21.1.2. Rock or gabion structural bank protection works. [R] 21.1.3. Driving and construction of a piled retard. [R, D] 21.1.4. Lining of a drainage channel with timber or concrete for hydraulic efficiency or bank structural stability reasons where the channel is of limited width. [R, D] 21.1.5. Maintenance of a culvert or floodgate. [R] 21.1.6. Shaping and beaching. [R] 21.1.7. Land disturbance works to facilitate the diversion of water. [R] 21.1.8. Gravel and sediment removal within a dry part of a riverbed. [R] 21.1.9. Gravel and sediment removal within a wet part of a riverbed. [R] 21.1.10. Gravel and sediment stockpiling within a dry part of a riverbed. [R] 21.1.11. Planting vegetation for the purposes of edge and aquatic habitat protection or prevention of bank and stopbank erosion. 21 – 1