IRON RIDGE PROJECT WORKS APPROVAL APPLICATION ATTACHMENT 7 SITING AND LOCATION Revision: A Date: April 2020 Prepared by Fenix Resources Ltd Ecotec (WA) Pty Ltd for: Office 10, 1202 Hay Street West Perth WA 6005 Contact: Rob Brierley Email: [email protected] Fenix Resources Ltd Iron Ridge Project Works Approval Application Supporting Information April 2020 TABLE OF CONTENTS 1.0 EXISTING ENVIRONMENT .................................................................................................................................. 5 1.1 Aboriginal Heritage ....................................................................................................................................... 5 1.2 National Heritage .......................................................................................................................................... 5 1.3 IBRA 7 Biogeographic subregions .................................................................................................................. 7 1.4 Landscape ...................................................................................................................................................... 7 1.5 Biological surveys .......................................................................................................................................... 7 1.6 Native flora .................................................................................................................................................... 9 1.6.1 Vegetation .......................................................................................................................................... 13 1.7 Introduced flora .......................................................................................................................................... 17 1.8 Fauna and habitat ....................................................................................................................................... 17 1.9 Introduced fauna ......................................................................................................................................... 23 1.10 Short‐range endemics and subterranean fauna ......................................................................................... 23 1.11 Hydrology .................................................................................................................................................... 24 1.11.1 Surface water .................................................................................................................................. 24 1.11.2 Groundwater .................................................................................................................................. 24 1.11.3 Groundwater Dependent Ecosystems ............................................................................................ 26 1.11.4 Pit lake formation ........................................................................................................................... 26 2.0 IMPACTS AND MANAGEMENT ........................................................................................................................ 27 2.1 Impact to conservation significant flora ..................................................................................................... 27 2.1.1 Management actions .......................................................................................................................... 28 2.2 Impact to significant vegetation and ecological systems ............................................................................ 30 2.2.1 Management actions .......................................................................................................................... 33 2.3 Impact to Groundwater Dependent Ecosystems ........................................................................................ 33 2.3.1 Management actions .......................................................................................................................... 33 2.4 Impacts to vegetation and flora as a result of dust emissions .................................................................... 34 2.4.1 Management actions .......................................................................................................................... 34 2.5 Impacts to surface water ............................................................................................................................ 34 2.5.1 Management actions .......................................................................................................................... 35 2.6 Impacts resulting from groundwater use.................................................................................................... 35 2.6.1 Management actions .......................................................................................................................... 35 2.7 Impacts from spills of hydrocarbons and other chemicals ......................................................................... 35 2.7.1 Management actions .......................................................................................................................... 36 3.0 MONITORING PROGRAM ................................................................................................................................ 37 3.1 Treated effluent .......................................................................................................................................... 37 3.2 Flora and vegetation ................................................................................................................................... 37 2 Fenix Resources Ltd Iron Ridge Project Works Approval Application Supporting Information April 2020 3.3 Surface water impacts ................................................................................................................................. 37 3.4 Ground water drawdown ............................................................................................................................ 38 3.5 Dust ............................................................................................................................................................. 38 4.0 REFERENCES .................................................................................................................................................... 39 TABLES Table 1.1 Flora and fauna surveys in and around Weld Range .................................................................................... 8 Table 1.2: Floristic communities of the Weld Range, as identified by DEC in 2005. .................................................... 9 Table 1.3: Conservation significant flora recorded and potentially occurring in the project area. ........................... 10 Table 1.4: Floristic communities identified in M20/118 by Woodman (2009) .......................................................... 13 Table 1.5: Vegetation of the project area. ................................................................................................................. 14 Table 1.6 Weed species recorded and potentially occurring in the project area. ..................................................... 17 Table 1.7: Conservation significant fauna likelihood of occurrence. ......................................................................... 19 Table 1.8: Fauna habitat recorded in the study area. ................................................................................................ 21 Table 1.9: Pit recharge water balance. ....................................................................................................................... 26 Table 2.1: Impact to Priority flora. .............................................................................................................................. 27 Table 2.2: Impact to PEC vegetation. .......................................................................................................................... 33 Table 3.1: Treated wastewater effluent monitoring parameters. ............................................................................. 37 FIGURES Figure 5.1: The proposed fence around the registered site Little Wilgie Ochre Mine. ................................................ 6 Figure 1.1: Priority flora records within 50 km of the project area. ........................................................................... 11 Figure 1.2: Distribution of Priority Flora species recorded within and adjacent to the project area. ....................... 12 Figure 1.3: Vegetation types associated with the project area. ................................................................................. 16 Figure 1.4: Database search records of conservation significant fauna within 50 km of the project area. ............... 20 Figure 1.5: Fauna habitat in the project area. ............................................................................................................ 22 Figure 1.6: Surface water drainage lines and catchment area adjacent to the proposed Iron Ridge pit. ................. 25 Figure 2.1: Known locations of Micromyrtus placoides (P3) at Weld Range. ............................................................. 29 Figure 2.2: Priority Ecological Communities within a 50 km radius of the project. ................................................... 31 Figure 2.3: The Weld Range PEC, vegetation and proposed