Site-specific Assessments of Environmental Effects

B-2 – Area 2 - Assessment of Environmental Effects 51 Activity Relevant Rules Comment To discharge water to land within the Dry SFA Detention Pond and to surface water via a spillway. Discretionary activity under Rule 3.5.4.5. The discharge of sediment laden water to land which may result in contaminants entering water will require resource consent under Rule 3.5.4.5. To discharge non-acid forming overburden on to land in stockpiles and earth bunds. Discretionary activity under Rule 5.2.5.3. This material meets the definition of overburden and is not an ‘overburden disposal site’ as it is for the storage, not disposal of overburden. So permitted activity Rule 5.2.5.1 and controlled activity Rule 5.2.5.2 do not apply to the activity. To discharge domestic sewage to land via a new effluent disposal field. Discretionary activity under Rule 3.5.7.7. A new effluent disposal field is required within the boundary of the Willows SFA. The discharge volume will exceed 3 m³/day and therefore will not meet the conditions of permitted activity Rule 3.5.7.6. To discharge water to land for use as a dust suppressant. Permitted Activity under Rule 5.2.9.1. Water will be used for dust control post construction. The discharge of contaminants (excluding waste oil) onto or into land for the purpose of dust suppression is a permitted activity subject to compliance with conditions (a), (b) and (c) of Rule 5.2.9.1, notably, the discharge will be managed so as to ensure runoff will not reach any surface water body. As the condition of Rule 5.2.9.1 (a) – (c) are able to be complied with, the discharge of water to land for use as a dust suppressant can be undertaken as a permitted activity. Discharges to Air (RMA section 15(1)(c) / 15(2A)

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