Development Application part 2 OF 2 All of CD, Information in notes - MCU12/0216

CSR West Ridge Quarry
Ecological Assessment Report



           Column 1                              Column 2                                                      Assessment of Impacts and Recommendations
       Specific outcomes                 Probable solutions (if code
                                               assessable)
                                       vegetation and avoid filling and
                                       excavation in these fenced areas;
                                       and
                                       c) ensuring stock piling, storage
                                       and vehicle parking occur outside
                                       the identified vegetation areas;
                                       AND
                                       14.4 Low impact construction
                                       techniques are used around
                                       vegetation        to       minimise
                                       interference with the vegetation.

 Filling and excavation                No solution provided.                 The hydrological regime would be altered by the proposed works, but in a manner that returns hydrological flows
 O15 Vegetation is not                                                       to reflect the pre-quarry conditions. Current ground levels were used to determine which areas surrounding the
 adversely impacted upon                                                     quarry pit required reshaping to form a gently sloping land reflective of the surrounding landscape and indicative
 by      earthworks       and                                                of the former conditions. Reshaping the land at West Ridge will enable overland flow to drain across the site in a
 changes to the                                                              more natural manner rather than pooling in the quarry pit.
 hydrological         regime,
 including     changes      to                                               Provided that potential downstream impacts from the works, such as discharge quality, are adequately controlled
 ground      water     levels,                                               the proposed extraction would not result in impacts to retained areas of vegetation in the vicinity.
 flooding levels, run-off and
 tidal hydraulics.

 13.10 Vegetation management
 Replanting               and          S16.1 Landscaping complements         A very small total area (i.e. 1.4ha) supporting ‘Regenerating Open Forest’ is proposed to be affected by the
 rehabilitation                        and supports important habitats       works. As discussed, the proposed works serve the dual purpose of:
 O16        Vegetation       is        by—                                   1) enabling rehabilitation of Neales Quarry and White Pit Quarry over an area of approximately 5ha; and
 enhanced      through     the         a) utilising native plants of local   2) enabling reshaping of land affected by quarrying at West Ridge Quarry through the formation of gently sloping
 following measures:                   origin;                               ground levels reflective of surrounding areas.
 a) siting landscaped areas            b) utilising suitable plant species
 to      complement       and          identified in PSP3 – Landscaping      Under the PoO for the Cooroy quarries, rehabilitation is planned and executed as areas become available (i.e.
 enhance              existing         Plants and Guidelines;                when mining is concluded in each area). Rehabilitation, when carried out, is of a form and extent reflecting
 vegetation;                           c) replicating adjacent remnant       appropriate post mining landform/landuse requirements. The rehabilitation at Neales Quarry and White Pit
 b) removal of all species             habitats, including understorey       Quarry will provide native vegetative coverage over the exposed quarry pits and improve the habitat and corridor
 likely to displace native             vegetation;                           values of this significantly larger area. As part of the rehabilitation, local origin native vegetation would be
 flora species or degrade              d) creating or enhancing linkages     established.
 fauna habitat;                        between existing habitats;


CSR Building Products Ltd                                                                 Version 3                                                                     4 December 2012
Ecological Assessment Report V3.docx                                                Commercial in Confidence                                                                   Page 27