B-2 – Area 2 - Assessment of Environmental Effects 46 Activity Relevant Rules Comment Regulation 57 of the NES Freshwater. diversion drain which is constructed above the WRS. To disturb the bed of unnamed tributaries of the Mataura Stream associated with the establishment of diversion drains and formalised overland flow paths to divert natural runoff and unnamed tributaries of the Mataura Stream around developed areas to downstream water bodies and overland flow paths. Discretionary activity under Rule 4.3.4.4. Discretionary activity under Regulation 57 of the NES Freshwater. Establishing the diversion drains and overland flow paths will require works in the bed of various waterbodies. To disturb and reclaim the bed of an unnamed tributary of the Mataura Stream to establish the WRS. Discretionary activity under Rule 4.3.4.4. Discretionary activity under Regulation 57 of the NES Freshwater. Establishing the WRS will require an unnamed tributary of the Mataura Stream to be infilled. This filling/covering of the stream meets the definition of ‘reclamation’ in the National Planning Standards.8 The channel will be reinstated as part of rehabilitation and closure activities. To disturb the bed and place a dam structure in the bed of an unnamed tributary of the Mataura Stream to establish the WRS Toe Seepage Pond. Discretionary activity under Rule 4.2.4.4 and 4.3.4.4. Discretionary activity under regulation 57 of the NES Freshwater. The Rock Stack Collection Pond will be constructed within the bed of an unnamed tributary of the Mataura Stream downstream of the WRS. To place and use culverts within the Willows SFA. Discretionary activity under Rule 4.2.4.4. Discretionary activity under A number of culverts are required within the Willows SFA to convey water. Not all these culverts can comply with these permitted activity 8 Reclamation means the manmade formation of permanent dry land by the positioning of material into or onto any part of a waterbody, bed of a lake or river or the coastal marine area, and: (a) includes the construction of any causeway; but (b) excludes the construction of natural hazard protection structures such as seawalls, breakwaters or groynes except where the purpose of those structures is to form dry land.
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