7
Limitations
This SMP has been developed on the following limitations:
— This SMP based on the information available at the time of preparation and reflects the current level of understanding of hydrogeological and geological conditions at the proposed UMG TSF. — The SMP is underpinned by a conceptual understanding of seepage processes that is subject to uncertainty due to limitations in site-specific data, including groundwater levels, stratigraphy, and hydraulic properties. — Identification of potential seepage pathways and groundwater responses is indicative and will require verification and refinement as additional site data becomes available. Targeted field investigations and monitoring are required to address key data gaps and improve confidence in the conceptualisation of seepage behaviour. — The SMP does not provide quantitative predictions of seepage rates, volumes, or impacts to receptors and should not be interpreted as a definitive assessment of seepage performance. — The SMP does not incorporate detailed TSF design elements, operational controls, or closure conditions, which will be progressively defined as Project design advances. — This document should be considered a live framework that will be reviewed and updated as further geological, hydrogeological, and monitoring data are collected and interpreted. — Conclusions and management measures presented in this SMP are therefore subject to change in response to improved site understanding, outcomes of field investigations, and ongoing regulatory review.
7.1
Commercial limitations
This Report is provided by WSP Australia Pty Limited (WSP) for Heritage Minerals (Client) in response to specific instructions from the Client and in accordance with WSP’s proposal and agreement with the Client (Agreement).
PERMITTED PURPOSE
This Report is provided by WSP for the purpose described in the Agreement and no responsibility is accepted by WSP for the use of the Report in whole or in part, for any other purpose (Permitted Purpose). QUALIFICATIONS AND ASSUMPTIONS The services undertaken by WSP in preparing this Report were limited to those specifically detailed in the Report and are subject to the scope, qualifications, assumptions and limitations set out in the Report or otherwise communicated to the Client. Except as otherwise stated in the Report and to the extent that statements, opinions, facts, conclusion and/or recommendations in the Report (Conclusions) are based in whole or in part on information provided by the Client and other parties identified in the report (Information), those Conclusions are based on assumptions by WSP of the reliability, adequacy, accuracy and completeness of the Information and have not been verified. WSP accepts no responsibility for the Information. WSP has prepared the Report without regard to any special interest of any person other than the Client when undertaking the services described in the Agreement or in preparing the Report. USE AND RELIANCE This Report should be read in its entirety and must not be copied, distributed or referred to in part only. The Report must not be reproduced without the written approval of WSP. WSP will not be responsible for interpretations or conclusions drawn by the reader. This Report (or sections of the Report) should not be used as part of a specification for a project or for incorporation into any other document without the prior agreement of WSP.
Project No PS213278 Mount Morgan Mine - Upper Mundic Gully TSF Seepage Management Plan Heritage Minerals
WSP May 2026 Page 27
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