Volume Two 2. General Rules (b) the natural clarity must not be conspicuously changed due to sediment or sediment laden discharge originating from the trenching site; (c) the change in reflectance must be <50%. 2.39.3. Vegetation trimming or clearance associated with the maintenance, replacement and minor upgrading of a network utility existing at 9 June 2016. 2.39.3.1. Vegetation (except noxious plants under the Noxious Plants Act) must not be removed by chemical, fire or mechanical means within 8m of a river (excluding an ephemeral river, or intermittently flowing river when not flowing) or the coastal marine area. 2.39.3.2. Where clearance is by hand or mechanical means, blading or root-raking by a bulldozer must not be used on slopes greater than 20°. 2.39.3.3. All trees must be felled away from a river (excluding an ephemeral river, or intermittently flowing river, when not flowing), Significant Wetland or the coastal marine area. 2.39.3.4. No tree or log may be dragged through the bed of a river (excluding an ephemeral river or intermittently flowing river when not flowing), Significant Wetland or the coastal marine area. 2.39.3.5. Wheeled or tracked machinery must not be operated in or within 8m of a river (excluding an ephemeral river or intermittently flowing river, when not flowing), Significant Wetland or the coastal marine area. 2.39.3.6. Woody material greater than 100mm in diameter or soil debris must: (a) not be left within 8m of, or deposited in, a river (excluding an ephemeral river or intermittently flowing river when not flowing), Significant Wetland or the coastal marine area; (b) not be left in a position where it can enter, or be carried into, a river (excluding an ephemeral river), Significant Wetland or the coastal marine area; (c) be stored on stable ground; (d) be managed to avoid accumulation to levels that could cause erosion or instability of the land. 2.40. Discretionary Activities Application must be made for a Discretionary Activity for the following: [R, D] 2.40.1. Any activity provided for as a Permitted Activity that does not meet the applicable standards. [R, D] 2.40.2. Any land use activity involving a network utility not provided for as a Permitted Activity. 2 – 63