B-2 – Area 2 - Assessment of Environmental Effects Figure 15: Perched culvert on Tributary 2 (Boffa Miskell (2022a)). 23 Figure 16: Tributary 2 within a pocket of riparian vegetation near its upstream extent. 24 Figure 17: Overview of the Willows SFA. 28 Figure 18: WRS and Collection Pond. 33 Figure 19: Example Tunnel Portal. 34 Figure 20: Proposed planting and habitat enhancement within Area 2. 69 LIST OF TABLES Table 1: Hazardous Substance Volumes and Classifications. 37 Table 2: Activity status of land use consents required for the works associated with the Willows SFA (Area 2). 40 Table 3: Activity status of the resource consents required to establish and operate the Willows SFA (Area 2). 45 Table 4: Air Quality Management Plan – Wind Speed, TSP Trigger Levels and Actions. 59 Table 5: Overview of the level of effects resulting from the proposed Willows SFA. 67 Table 6: Summary of key management and monitoring measures for Area 2. 75 Table 7: Consideration of Alternative Methods of Discharge 139
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