6.11.3. Management Practices
As per the DETSI GHG Guidelines, the order of priority for management practices follows the GHG
Abatement Hierarchy, shown in Figure 52.
Figure 52. GHG Abatement Hierarchy (Source: DETSI, 2025)
GHG emissions for the Project cannot be practicably avoided, therefore, management practices focus
on reduction. Proposed management practices to reduce emissions are outlined in Table 56.
Table 56. Management Practices to mitigate emissions
Management
Abatement
Impact
Practices
Hierarchy Ranking
Vegetation clearing is the source of 66% of Project emissions due to the
release of captured carbon. Mulching reduces emissions, compared to
traditional methods like burning or bulldozing, by reducing carbon
conversion to carbon dioxide. Mulch can also be utilised in rehabilitation
Mulching
Reduce
to promote revegetation and sequestration, particularly in topsoil deficit
areas (da Silva GOA, Dunlop, Nicolson, & Purtill, 2024). Organic matter
that remains stored in the mulch would also lead to increased carbon
content in soil and improve its ability to store carbon.
Optimised material movement will be implemented in line with best
practice guidelines (LarkinSykes Advisory & Brinson and Associates,
2022), to reduce Scope 1 emissions from heavy earth moving
Optimised
equipment during construction and closure. This will include optimising
Material
Reduce
payloads, scheduling to minimise material handling, minimising the
Movement
slope of haul roads, and ensuring efficiency in unloading and loading
areas. These measures will maximise equipment usage and reduce
overall runtime, therefore reducing emissions.
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Wulguru Technical Services Pty Ltd – Supporting Information to Amend an Environmental Authority
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