Data as at 14 September 2026 · from the Queensland EP Act public register
EPML00353213 · Kevin’s Corner Project
Coal environmental authority EPML00353213 (Kevin’s Corner Project), Granted - Not Effective. 130 conditions indexed. No PRC plan.
- Status
- Granted - Not Effective
- Holders
- HANCOCK GALILEE PTY LTD
- Tenures
- ML70425
- PRC plan
- None
- How it was read
- Numbered conditions (OCR)
- Register
- Register record · Instrument PDF
Conditions
130 numbered conditions read from the current instrument. Page numbers link into the register PDF.
- A6
‘Provide to the administering authority financial assurance for the amount and in the form acceptable to the administering authority in accordance with the most recent edition of the administering authority's Guideline — Calculating financial assurance for mining projects, before the proposed mining activities can commence.
- A7
The amount of financial assurance must be reviewed by the holder of this environmental authority when a plan of operations is amended or replaced or the authority is amended. Risk Management
- A8
_ The holder of this environmental authority must develop and implement a risk management system for mining activities which mirrors the content requirements of the Standard for Risk Management (1SO31000:2009), or the latest edition of an Australian Standard for risk management, to the extent relevant to the environmental management, prior to the commencement of mining activities. Notification of emergencies, incidents and exceptions AQ The holder of this environmental authority must notify the administering authority of any non-compliance with any condition of this environmental authority within 24 hours after becoming aware of the non- compliance. (Note: a notification of an exceedance under condition C18 does not require additional notification under condition A9) A10_ The holder of this environmental authority must notify the administering authority by written notification within 24 hours, after becoming aware of any emergency or incident which results in the release of contaminants not in accordance, or reasonably expected not to be in accordance with, the conditions of this environmental authority. A11_ Within 10 business days following the initial notification of an emergency or incident, or receipt of monitoring results, whichever is the latter, further written advice must be provided to the administering authority, including the following: (a) results and interpretation of any samples taken and analysed; (b) outcomes of actions taken at the time to prevent or minimise unlawful environmental harm; and (c) proposed actions to prevent a recurrence of the emergency or incident. Complaints A12_ The holder of this environmental authority must record all environmental complaints received about the mining activities including the following details: (a) name, address and contact number for/of the complainant; (b) time and date of complaint; (c) reasons for the complaint; (d) investigations undertaken: (e) conclusions formed; (f) actions taken to resolve the complaint; (g) any abatement measures implemented; and (h) person responsible for resolving the complaint. Cr Environmental Authority EPML00353213 — Kevin’s Corner Project
- A13
The holder of this environmental authority must, when requested by the administering authority, undertake relevant specified monitoring within a reasonable timeframe nominated or agreed to by the administering authority to investigate any complaint of environmental harm. The results of the investigation (including an analysis and interpretation of the monitoring results) and abatement measures, where implemented, must be provided to the administering authority within 10 business days of completion of the investigation, or no later than 10 business days after the end of the timeframe nominated by the administering authority to undertake the investigation. Third Party Reporting
- A14
The holder of this environmental authority must: (a) within 1 year of the commencement of this authority, obtain from a suitably qualified and experienced third party a report on compliance with the conditions of this environmental authority; (b) obtain further such reports at regular intervals not exceeding three years from the completion of the report referred to above; and (c) provide each report to the administering authority within 90 days of its completion.
- A15
Where a condition of this environmental authority requires compliance with a standard, policy or guideline published externally to this environmental authority and the standard is amended or changed to provide a better environmental outcome, subsequent to the issue of this environmental authority, the holder must: (a) comply with the amended or changed standard, policy or guideline within 2 years of the amendment or change being made, unless a different period is specified in the amended standard or relevant legislation; and (b) until compliance with the amended or changed standard, policy or guideline is achieved, continue to remain in compliance with the corresponding provision that was current immediately prior to the relevant amendment or change. Unless the holder can demonstrate that the existing system provides compliance with the intent of this EA and the proposed changes do not impact on the validity of existing background information. Coal Extraction
- A16
The environmental authority holder is approved for a coal extraction rate of up to 45 million tonnes per annum (Mtpa) of run-of-mine (ROM) ore in accordance with this environmental authority. Schedule B: Air
- C1
Contaminants that will or have the potential to cause environmental harm must not be released directly or indirectly to any waters except as permitted under the conditions of this environmental authority. Discharge of Mine Affected Water
- C2
Unless otherwise permitted under the conditions of this environmental authority, the release of mine affected water to waters must only occur from the release points specified in Table 2: Mine Affected Water Release Points, Sources and Receiving Waters and depicted in Figure 8: Mine Affected Water Release Points attached to this environmental authority. Table 2: Mine Affected Water Release Points, Sources and Receiving Waters Release Latitude Longitude Contaminant Monitoring Point Receiving Point (RP) (decimal (decimal Source and Waters degree, degree, Location Description
- C3
The release of mine affected water to internal water management infrastructure that is installed and operated in accordance with a Water Management Plan that complies with conditions C34 to C39 inclusive is permitted. Cow Environmental Authority EPML00353213 — Kevin’s Corner Project elease of mine affected water to waters in accordance with condition C2 must not exceed the release limits stated in Table 3: Mine Affected Water Release Limits, when measured at the monitoring points specified in Table 2: Mine Affected Water Release Points, Sources and Receiving Waters, for each quality characteristic. Table 3: Mine Affected Water Release Limits Quality er ete Characteristic Release Limit Monitoring Frequency Electrical Release limits specified in conductivity (uS/cm) | Table 6 for variable flow Continuously criteria. pH (pH Unit) oe aetounn Continuously Monitoring to be commenced within 2 hours of Turbidity (NTU) 264 commencement of the release, and then daily during the duration of the release. , Monitoring to be commenced within 2 hours of —o Sells 53 commencement of the release, and then daily during the g duration of the release. Sulphate Table 6 for variable flow commencement of the release, and then daily during the duration of the release. Release limits specified in Monitoring to be commenced within 2 hours of 2- (SO4") (mg/L) criteria.
- C5
‘The release of mine affected water to waters from the release points must be monitored at the locations specified in Table 2: Mine Affected Water Release Points, Sources and Receiving Waters for each quality characteristic and at the frequency specified in Table 3: Mine Affected Water Release Limits and Table 4: Release Contaminant Trigger Investigation Levels.
- C6
If quality characteristics of the release exceed any of the trigger levels specified in Table 4: Release Contaminant Trigger Investigation Levels during a release event, the environmental authority holder must compare the downstream results in the receiving waters to the trigger values specified in Table 4: Release Contaminant Trigger Investigation Levels and: (a) where the trigger values are not exceeded then no action is to be taken; or (b) where the downstream results exceed the trigger values specified in Table 4: Release Contaminant Trigger Investigation Levels for any quality characteristics, compare the results of the downstream site to the data from background monitoring sites and: (i) if the result is less than the background monitoring site data, then no action is to be taken; or (ii) if the result is greater than the background monitoring site data, complete an investigation into the potential for environmental harm and provide a written report to the administering authority in the next annual return, outlining: ¢ details of the investigations carried out; and * actions taken to prevent environmental harm. (Note: Where an exceedance of a trigger level has occurred and is being investigated, in accordance with C6 b) ii. of this condition, no further reporting is required for subsequent trigger events for that quality characteristic) C7___If an exceedance in accordance with condition C6 b) ii. is identified, the holder of the authority must notify the administering authority within 14 days of receiving the result. Table 4: Release Contaminant Trigger Investigation Levels (Wr Environmental Authority EPML00353213 — Kevin’s Corner Project Quality Characteristic Trigger Monitoring Frequency Level® | Aluminium (ug/L) ' Monitoring to be commenced within 2 hours of commencement of Arsenic (g/L) ' the release, and then at 24 hour intervals thereafter. Cadmium (g/L) ' Chromium (ug/L) ' Copper (11g/L) ' Iron (ug/L) | Lead (ug/L) ' Mercury (ug/L) ' Nickel (g/L) '
- C8
The holder of this environmental authority must ensure a stream flow gauging stations is/are installed, operated and maintained to determine and record stream flows at the locations and flow recording frequency specified in Table 5: Mine Affected Water Release during Flow Events.
- C9
Notwithstanding any other condition of this environmental authority, the release of mine affected water to receiving waters in accordance with condition C2 must only take place during periods of natural flow events in accordance with the receiving water flow criteria for discharge specified in Table 5: Mine Affected Water Release during Flow Events when measured at the monitoring points specified in Table 2: Mine Affected Water Release Points, Sources and Receiving Waters.
- C10
The release of mine affected water to receiving waters in accordance with condition C2 must not exceed the Electrical Conductivity and Sulphate release limits or the Maximum Release Rate (for all combined —_ Environmental Authority EPML00353213 — Kevin’s Corner Project release points flows) for each receiving water flow criteria for discharge specified in Table 5: Mine Affected Water Release during Flow Events when measured at the monitoring points specified in Table 2: Mine Affected Water Release Points, Sources and Receiving Waters. Table 5: Mine Affected Water Release during Flow Events " © Re = ro — = con os SEs [5 @ | ae S52 Se 58 5 S Soe nS | se set 23c5| 22 D e ”n HSB Nod neg mS o eres _>& £ o D Do. | OSes FG £=ED So2et| Sse 2% | 2 = Se SS eo 20s o 2OG EE Se SS ® ® 27) = = Do's o o>5 = O| eT 6H ge [se | 2 gee |essal8es |8se | s5l5| S558 es |rf& | o OSS |O930\ cere “CLs Sxewe| wood Sandy | RP2, Sandy -23.0756 | 146.4986 | Continuous | <4.3m%/s for | <0.2m°/s | Maximum Creek | RP3, Creek a period of Electrical RP4, Gauging 28 days after Conductivity: RP5, | Station natural flow 168 pS/cm RP6, events that Maximum
- C11
The daily quantity of mine affected water released from each release point must be measured and recorded at the monitoring points in Table 2: Mine Affected Water Release Points, Sources and Receiving Waters.
- C12
Releases to waters must be undertaken so as not to cause erosion of the bed and banks of the receiving waters, or cause a material build-up of sediment in such waters. Cessation of Release
- C13
During the release of mine affected water to receiving waters from the release points, the receiving waters must be monitored at the locations specified in Table 6: Receiving waters release limits for each quality characteristic and at the frequency specified in Table 6: Receiving waters release limits.
- C14
Notwithstanding any other condition of this environmental authority, the release of mine affected water: (a) must not commence if the water quality at the upstream site exceeds the water quality characteristics in Table 6: Receiving water release limits; and (b) must cease if the water quality characteristics at the downstream or the upstream sites in Table 6: Receiving waters release limits are met and or exceeded. Table 6: Receiving waters release limits Monitoring Latitude Longitude Quality Limit | Monitoring Point (decimal degree (decimal degree Characteristic Frequency | GDA94) GDA94) Upstream
- MP1
-23.1113 146.5075 Electrical | 70° Continuously conductivity (uS/cm)
- MP11
-23.1311 146.4170 Electrical | 700 =| Continuously conductivity (uS/cm) Environmental Authority EPML00353213 — Kevin’s Corner Project Downstream -22.9985 146.5116 Electrical | 700 | Continuously conductivity (uS/cm)
- C15
In accordance with conditions C14(b), the release of mine affected water may recommence after a cessation if the water quality characteristics in Table 6: Receiving waters release limits are at levels below the water quality characteristics at the downstream and upstream sites in Table 6: Receiving waters release limits. (Note: If the release of mine affected water is ceased under condition C14, and the water quality within the receiving environment drops below the water quality characteristic limit in Table 6: Receiving water release limits, the release may recommence if all other release conditions are complied with) Notification of Release Event
- C16
The environmental authority holder must notify the administering authority as soon as practicable, and no later than 24 hours, after commencing to release mine affected water to the receiving environment. Notification must include the submission of written advice to the administering authority of the following information: (a) release commencement date/time; (b) expected release cessation date/time; (c) release point/s; (d) release rate and volume (estimated); (e) receiving water/s including the natural flow rate; and (f) details (including available data) regarding likely impacts on the receiving water(s). (Note: Notification to the administering authority must be addressed to the Manager and Project Manager of the local administering authority via email or facsimile)
- C17
The environmental authority holder must notify the administering authority as soon as practicable (nominally within 24 hours after cessation of a release event) of the cessation of a release notified under condition C16 and within 28 days provide the following information in writing: (a) release cessation date/time; (b (c) volume of water released; (d a= natural flow volume in receiving water; 7 details regarding the compliance of the release with the conditions of Department Interest: water of this environmental authority (i.e. contamination limits, natural flow, discharge volume); (e) all in-situ water quality monitoring results; and (f) any other matters pertinent to the water release event. (Note: Successive or intermittent releases occurring within 24 hours of the cessation of any individual release can be considered part of a single release event and do not require individual notification for the purpose of compliance with conditions C17 and C18, provided the relevant details of the release are included within the notification provided in accordance with conditions C16 and C17. Notification of Release Event Exceedance
- C18
If the release limits defined in Table 3: Mine Affected Water Release Limits are exceeded, the holder of the environmental authority must notify the administering authority within 24 hours of receiving the results.
- C19
The authority holder must, within 28 days of a release that exceeds the conditions of this authority, provide a report to the administering authority detailing: (a) the reason of the release; r J Environmental Authority EPML00353213 — Kevin’s Corner Project C20 C21 C22 (b ) the location of the release; (c) all water quality monitoring results; ) ) (d (e any general observations; all calculations; and (f) any other matters pertinent to the water release event. Monitoring of Water Storage Quality Water storages containing mine affected water which are accessible to livestock must be monitored for the water quality characteristics and at the monitoring frequency specified in Table 7: Onsite Water Storage Contaminant Limits. In the event that water storages exceed the contaminant limits defined in Table 7: Onsite Water Storage Contaminant Limits, the holder of the environmental authority must implement measures, where practicable, to prevent access to waters by all livestock. Table 7: Onsite Water Storage Contaminant Limits Quality Characteristic PH (pH unit) 9.0 (maximum) 5970 1000' EC (uS/cm) Sulphate (mg/L) Fluoride (mg/L) Aluminium (mg/L)
- MP1
Sandy Creek: -23.1113 146.5053 e 1,100m upstream of RP4/RP7; and e 2,600m upstream of RP3/RP6
- MP7
Well Creek -23.0203 146.3909 e _8,700m upstream of RP5
- MP8
Middle Creek: -23.0776 146.4327 e 600m upstream of RP1
- MP11
Little Sandy Creek: -23.1311 146.4170 e 8200m upstream of RP1 and 1500m upstream of the diversion Downstream Monitoring Locations
- MP6
Middle Creek: -23.3045 146.4648 e 5250m downstream of RP1
- MP2
| Sandy Creek: -23.0756 146.4986 e 1,600m downstream of RP3/RP6; and e 3,300m downstream of RP4/RP7
- MP3
Sandy Creek 50m downstream of Well -23.0396 146.5059 Creek Confluence: e 3,100m downstream of RP2
- MP4
Sandy Creek downstream lease -22.9985 146.5116 boundary: e 15,800m downstream of RP1; e 8,100m downstream of RP2; e 10,800m downstream of RP3 e 12,500m; and downstream of RP4.
- MP5
Well Creek 50m upstream of Sandy Creek | -23.0401 146.5056 Confluence: e 11,800m downstream of RP1; e 11,500m downstream of RP5 Table 9: Receiving Waters Contaminant Trigger Levels Quality Receiving Water Characteristic Trigger Level pH 6.5 (minimum) Continuously 8.0 (maximum) Electrical Conductivity | 700 | Monitoring Frequency (uS/cm) Suspended solids 165 | Monitoring to be commenced within 2 hours of (mg/L) commencement of the release, and then daily during the Sulphate (SO,7) release. mg/L Sodium (mg/L)
- C23
If quality characteristics of the receiving water at the downstream monitoring points exceed any of the trigger levels specified in Table 9: Receiving Waters Contaminant Trigger Levels during a release event OW C24 C25 Environmental Authority EPML00353213 — Kevin’s Corner Project the environmental authority holder must compare the downstream results to the upstream results in the receiving waters and: (a) where the downstream result is the same or a lower value than the upstream value for the quality characteristic then no action is to be taken; or (b) where the downstream results exceed the upstream results complete an investigation into the potential for environmental harm and provide a written report to the administering authority in the next annual return, outlining: (i) details of the investigations carried out; and (ii) actions taken to prevent environmental harm. (Note: Where an exceedance of a trigger level has occurred and is being investigated, in accordance with C23 b)of this condition, no further reporting is required for the subsequent trigger events for that quality characteristic) Receiving Environment Monitoring Program (REMP) The environmental authority holder must develop and implement a Receiving Environment Monitoring Program (REMP) to monitor, identify and describe any adverse impacts to surface water environmental values, quality and flows due to the authorised mining activity. This must include monitoring the effects of the mine on the receiving environment periodically (under natural flow conditions) and while mine affected water is being discharged from the site. For the purpose of the REMP, the receiving environment is the waters of Lagoon Creek and Sandy Creek and connected or surrounding waterways within 10km downstream of the release. The REMP should encompass any sensitive receiving waters or environmental values downstream of the authorised mining activity that will potentially be directly affected by an authorised release of mine affected water. The Receiving Environment Monitoring Program (REMP) must: (a) assess the condition or state or receiving waters, including upstream conditions, spatially within the REMP area, considering background water quality characteristics based on accurate and reliable monitoring data that takes into consideration temporal variation (e.g. seasonality); and (b) be designed to facilitate assessment against water quality objectives for the relevant environmental values that need to be protected; ~~ (c) include monitoring from background reference sites (e.g. upstream or background) and downstream sites from the release (as a minimum, the locations specified in Table 8: Receiving Water Upstream Background and Downstream Monitoring Locations; (d) specify the frequency and timing of sampling required in order to reliably assess ambient conditions and to provide sufficient data to derive site specific background reference values in accordance with the Queensland Water Quality Guidelines (2006). This should include monitoring during periods of
- C26
A Receiving Environment Monitoring Program (REMP) Design Document that addresses each criterion presented in Conditions C24 and C25 must be prepared and submitted to the administering authority prior to commencement of activities. Due consideration must be given to any comments made by the administering authority on the REMP Design Document and subsequent implementation of the program.
- C27
A report outlining the findings of the Receiving Environment Monitoring Program, including all monitoring results and interpretations in accordance with conditions C24 and C25 must be prepared annually and made available on request to the administrating authority. This must include an assessment of background reference water quality, the condition of downstream water quality compared against water quality objectives, and the suitability of current discharge limits to protect downstream environmental values. Water Reuse
- C28
Mine affected water may be piped, trucked or transferred by some other means that does not contravene the conditions of this environmental authority and deposited into artificial water storage structures, such as farm dams or tanks, or used directly at properties owned by the environmental authority holder for a third party for the purpose of: (a) supplying stock water subject to compliance with the quality release limits specified in Table 10: Stock Water Release Limits; or (b) supplying water for construction and/or road maintenance in accordance with the conditions of this environmental authority. Table 10: Stock Water Release Limits Quality ; Minimum Characteristics pH pH units Electrical uS/cm Conductivity
- C29
Mine affected water may be piped, trucked or transferred by some other means that does not contravene the conditions of this environmental authority and deposited into artificial water storage structures, such as dams or tanks, for the purpose of supplying water to Alpha Coal Mine. The volume, pH and electrical conductivity of water transferred to Alpha Coal Mine must be monitored and reported.
- C30
If the responsibility of mine affected water is given or transferred to another person in accordance with
- C28
and C29: (a) the responsibility for the mine affected water must only be given or transferred in accordance with a written agreement (third party agreement); and (b) the third party agreement must be signed by both parties to the agreement.
- C31
All determinations of water quality and biological monitoring must be: (a ~~ performed by a person or body possessing appropriate experience and qualifications to perform the required measurements; (b) made in accordance with methods prescribed in the latest edition of the administering authorities Monitoring and Sampling Manual: (c) collected from the monitoring locations identified within this environmental authority, with 6 hours of each other where possible; bo Environmental Authority EPML00353213 — Kevin’s Corner Project (d) carried out on representative samples; and (e) analysed at a laboratory accredited (e.g. NATA) for the method of analysis being used.
- C32
The release of any contaminants as permitted by this environmental authority, directly or indirectly to waters, other than internal water management infrastructure that is installed and operated in accordance with a Water Management Plan that complies with conditions of this environmental authority, must not: (a) produce any visible discolouration of receiving waters; and (b) produce any slick or other visible or odorous evidence of oil, grease or petrochemicals nor contain visible floating oil, grease, scum, litter or other objectionable matter.
- C33
The following information must be recorded in relation to all water monitoring required under the conditions of this environmental authority and submitted to the administering authority in the specified format with each annual return: (a) the date on which the sample was taken; b) the time at which the sample was taken; c) the monitoring point at which the sample was taken; d) the measured or estimated daily quantity of mine affected water released from all release points; ~~ a a e) the results of all monitoring and details of any exceedances of the conditions of this environmental authority; and (f) water quality monitoring data must be provided to the administering authority in the specified electronic format upon request. Water Management Plan
- C34
A Water Management Plan must be developed by an appropriately qualified person and implemented prior to the commencement of mining activities.
- C35
The Water Management Plan must: (a) provide for effective management of actual and potential environmental impacts resulting from water management associated with the mining activity carried out under this environmental authority; and (b) be developed in accordance with the administering authorities guideline Preparation of water management plans for mining activities and include: ~~ (i) a study of the source of contaminants; (ii) a water balance model for the site; (iii) a water management system for the site: (iv) measures to manage and prevent saline drainage; (v) measures to manage and prevent acid rock drainage; (vi) contingency procedures for emergencies; and (vii) a program for monitoring and review of the effectiveness of the water management plan.
- C36
The Water Management Plan must be reviewed each calendar year and a report prepared by an appropriately qualified person. The report must: (a) assess the plan against the requirements under condition C35; (b) include recommended actions to ensure actual and potential environmental impacts are effectively managed for the coming year; and ; Environmental Authority EPML00353213 — Kevin’s Corner Project C37 C38 C39 C40 C41 C42 C43 C44 C45 (c) identify any amendments made to the Water Management Plan following the review. The holder of this environmental authority must attach to the review report required by condition C36, a written response to the report and recommended actions, detailing the actions taken or to be taken by the environmental authority holder on stated dates, to: (a) ensure compliance with this environmental authority; and (b) prevent a recurrence of any non-compliance issues identified. The review report required by condition C36 and the written response to the review report required by condition C37 must be submitted to the administering authority with the subsequent annual return under the signature of the appointed signatory for the annual return. A copy of the Water Management Plan must be provided to the administering authority on request. Saline Drainage The holder of this environmental authority must ensure proper and effective measures are taken to avoid or otherwise minimise the generation and/or release of saline drainage. Acid Rock Drainage The holder of this environmental authority must ensure proper and effective measures are taken to avoid or otherwise minimise the generation and/or release of acid rock drainage. Stormwater and Water Sediment Controls An Erosion and Sediment Control Plan must be developed by an appropriately qualified person and implemented for all stages of the mining activities on the site to minimise erosion and the release of sediment to receiving waters and contamination of stormwater.
- C46
= Any release of mine affected water resulting from an overflow from one or more of the dams listed in Table 17: Location of Regulated Structures and Table 11: Overflow release to the receiving environment to receiving waters must be monitored at the locations specified in Table 11:Overflow release to the receiving environment and Table 12: Monitoring Locations for Overflow Releases for those quality characteristics and at the frequencies specified in Table 13: Release Contaminant Trigger Investigation Levels — Overflow Releases. Table 11: Overflow Release to the Receiving Environment Release Latitude (decimal Longitude (decimal | Contaminant Source Receiving waters Point (RP) degree GDA94) degree GDA94) and Location description
- MP5
-23.0401 146.5056 Well Creek 11,500m downstream of RP 5
- MP3
-23.0396 146.5059 re Sandy Creek 3,100m downstream of RP2 -23.1311 146.4170 . 146.3909 RP5 Well Creek 8,700m upstream of RP5 146.4986 RP6 Sandy Creek 1,600m downstream of RP7 and 3,300m downstream of RP8 -23.1113 146.5053 RP7 Sandy Creek 2500m upstream of RP7 . RP8 RP9 Environmental Authority EPML00353213 — Kevin’s Corner Project Latitude Monitoring (decimal Point (MP) degree Longitude Monitoring (decimal Point Location description degree GDA94) description say oeY3 RP7 | Sandy Gresk | 3.3% of RP9 of RP10 of RP11 Table 13: Release Contaminant Trigger Investigation Levels — Overflow Releases Associated release point Quality Characteristic Trigger Monitoring Frequency Level® Electrical conductivit (uS/cm) ‘ 700 ; - Continuously pH (pH Unit) 6-8.5 Turbidity 250 Suspended Solids (mg/L) 87 Sulphate (SO,4~ mg/l. 500 Aluminium (ug/L) ' Arsenic (ug/L) ' Cadmium (ug/L) |
- C9
(ug/L) * Petroleum hydrocarbons (C10-C36) (ug/L) ' 100 Fluoride (ug/L) * 2000 Sodium (ug/L) ' 180000 ‘ All metals and metalloids must be measured as total (unfiltered) and dissolved (filtered). Trigger levels for metal/metalloids apply if dissolved results exceed trigger. ? Fluoride must be measured as total (unfiltered). ° Levels below the LOR to be classified as non-detects ow Environmental Authority EPML00353213 — Kevin’s Corner Project
- C47
If quality characteristics of the release exceed any of the trigger levels specified in Table 13: Release Contaminant Trigger Investigation Levels — Overflow Releases during an overflow release, the holder must compare the downstream results in the receiving waters to the trigger values specified in Table 13: Release Contaminant Trigger Investigation Levels — Overflow Releases and: (a) where the trigger values are not exceeded at downstream locations then no action is to be taken; or (b) where the downstream results exceed the trigger values specified in Table 13: Release Contaminant Trigger Investigation Levels — Overflow Releases for any quality characteristics, compare the results of the downstream site to the data from background monitoring sites and from the release point and: (i) if the result is less than the background monitoring site data, then no action is to be taken; or (ii) if the result is greater than the background monitoring site data, complete an investigation into the potential for environmental harm and provide a written report to the administering authority within 28 days of the cessation of the release, outlining:: ¢ details of the investigations carried out; and * actions taken to prevent environmental harm. (Note: Where an exceedance of a trigger level has occurred and is being investigated, in accordance with C47b) ii. of this condition, no further reporting is required for subsequent trigger events for that quality characteristic)
- C48
The holder must notify the administering authority as soon as practicable and no later than 24 hours after the commencement of an overflow release of mine affected water to the receiving environment in accordance with conditions C46 and C47 of this environmental authority. Notification must include the submission of written advice to the administering authority of the following information: (a) release commencement date/time; (b) release points; (c) receiving water/s; and (d) any details (including available data) regarding likely impacts on the receiving environment. (Note: Notification to the administering authority must be addressed to the Project Manager of the local administering authority via email or facsimile)
- C49
The holder must notify the administering authority as soon as practicable and no later than 24 hours after the cessation of a release notified under condition C48. Notification must include the submission of written advice to the administering authority of the following information: (a) release cessation date/time; (b) volume of water released; (c) all in-situ water quality monitoring results; and (d) any other matters pertinent to the water release event. (Note:: Successive or intermittent releases occurring within 24 hours of the cessation of any individual release can be considered part of a single release event and do not require individual notification for the purposed of compliance with conditions C48 and C49, provided the relevant details of the release are included within the notification provided in accordance with conditions C48 and C49))
- C50
Within 28 days of a release notified under condition C48, the holder must provide a report to the administering authority demonstrating compliance with condition C45. Groundwater
- C51
A groundwater monitoring program must be developed by an appropriately qualified person that will determine compliance with the environmental authority conditions, prior to the commencement of mining activities. Environmental Authority EPML00353213 — Kevin’s Corner Project Table 14: Groundwater Quality Triggers and Limits Parameter Unit Contaminant Contaminant Limits Groundwater Triggers Level Minimum | Maximum Minimum | Maximum Alluvium Aluminium ug/L | TBA" TBAT TBA" TBA' N/A Antimony g/L TBA" TBA" TBA" TBA" giL_| TBA" TBA" TBA" TBA" Iron ug | TBAT [TBA Molybdenum giL_| TBA Mercury Selenium TBA TBA TBA Silver TBA" TBA TBA Total Dissolved Solids TBA TBA TBA TBA" TBA TBA Sulphate TBA TBA" TBA" Calcium TBA TBA" TBA" Magnesium TBA TBA TBA Sodium TBA’ TBA TBA Potassium TBA" TBA" TBA" Chloride TBA TBA" TBA" Carbonate mg/L TBA" TBA" TBA’ Bicarbonate mg/L TBA TBA TBA" TBA" Total Petroleum ppb TBA’ TBA TBA TBA Hydrocarbons pH unit TBA" TBA’ TBA TBA' Bandana Formation Aluminium Antimony Arsenic lron Molybdenum Mercury Selenium Silver Total Dissolved Solids Electrical Conductivity Sulphate Calcium Magnesium | Sodium | Potassium | Chloride mg/L | TBA’
- C53
Triggers to be determined on 85" percentile of background. Limit to be determined based on 99" percentile of background.
- C52
Contaminant triggers and contaminant limits as per Table 14: Groundwater Quality Triggers and Limits must be finalised and submitted to the administering authority prior to the commencement of mining activities.
- C53
If quality characteristics of groundwater exceed any of the trigger levels stated in Table 14: Groundwater quality triggers and limits at any of the monitoring locations identified in Figure 10: Groundwater Monitoring Locations, the holder of this environmental authority must complete an investigation into the potential for environmental harm and notify the administering authority within 28 days of receiving the analysis results.
- C54
Results of monitoring of groundwater must not exceed any of the limits defined in Table 14: Groundwater quality triggers and limits.
- C55
Groundwater must not exceed any of the limits defined in Table 14: Groundwater quality triggers and limits at lease boundary.
- C56
Theconstruction, maintenance and management of groundwater monitoring bores must be undertaken in a manner that prevents or minimises impacts to the environment and ensures the integrity of the bores to obtain accurate monitoring.
- C57
No impact to groundwater levels within the groundwater aquifers is to occur other than where authorised under an approval of the Water Act 2000. Schedule D — Noise
- D1
Noise from mining activities must not exceed the levels specified in Table 15: Noise Limits — Mine Noise when measured at a sensitive place. Table 15: Noise Limits — Mine Noise Noise Level Monday to Sunday «| dB(A) (outside) 7am — 6pm 6pm -— 10pm Laeg, adj 15 mins Lat, adj 15 mins Vibration
- D2
Vibration from mining activities must not exceed the following levels when measured at any sensitive place: ba Environmental Authority EPML00353213 — Kevin’s Corner Project (a) 10 mm/s for ground vibration of no more than 35 Hz; and (b) 25 mm/s for ground vibration of more than 35 Hz. Airblast Overpressure
- D3
= Airblast overpressure from mining activities must not exceed the following levels when measured at any sensitive place: (a) 115 dB(Z) Peak for 4 out of 5 consecutive blasts; and (b) 120 dB(Z) Peak for any single blasts. Schedule E: Waste Landfill
- E1
General and regulated waste, other than tyres, must only be disposed of into the landfill facility located on ML70425 or removed from the site. (Note: It is an offence under the Stock Act 1915 and subordinate legislation to allow or fail to take every reasonable measure to prevent stock access to animal matter or animal-contaminated matter)
- E2
The landfill facility must be located within the area identified in Table 16: Landfill Facility (Waste Disposal). Table 16: Landfill Facility (Waste Disposal) Waste Disposal | Latitude (Decimal Degree | Longitude (Decimal Degree Facility Name GDA94) GDA94) Landfill Facility -23.0810 146.5078 -23.0814 146.5095 -23.0828 146.5073 -23.0832 146.5090
- E3
Landfill gas must not exceed the following levels: (a) 500 parts per million of methane at a height of 50mm above the final and intermediate cover surface including the batter slopes of the landfill facility; (b) 25 percent of the lower explosive limit when measured in facility structures (but excluding facility structures used for landfill gas and leachate control and landfill gas and leachate recovery system components); and (c) the lower explosive limit at the landfill facility boundary.
- E4
Notwithstanding any condition of this approval, the following waste materials are not permitted or allowed to be deposited in the landfill unit: (a) liquid or semi liquid waste other than liquid or semiliquid waste which has been produced in carrying out the environmentally relevant activity identified as Waste Disposal; hot ash; material that is smouldering or aflame; —~ n~ Qo fF ~~ a material containing a substance which is corrosive, reactive or toxic (other than materials containing a toxic substance from domestic premises) unless this material is to be deposited into a dedicated monocell approved in writing by the administering authority; — [ok ha all radioactive wastes, unless otherwise approved under the Radiation Safety Act 1999 or contaminated soil; So (f) explosive(s); or bw Environmental Authority EPML00353213 — Kevin’s Corner Project (g) ammunition, other than ammunition that no longer contains explosives, pyrotechnics or propellants apart from trace residues that are no longer capable of supporting combustion or an explosive reaction. Tyres
- E5
Scrap tyres are authorised to be stored awaiting disposal or disposed of on Mining Lease 70425 ina manner that minimises environmental harm. (Note: For the disposal and storage of scrap tyres, reference to Operational policy — Disposal and storage of scrap tyres at mine sites EM729 should be made) Burning Waste
- E6
Unless otherwise permitted by the conditions of this environmental authority, or with approval from the administering authority and in accordance with a relevant standard operating procedure, waste must not be burnt.
- E7
~The holder of this environmental authority may burn vegetation, in accordance with condition E8, cleared in the course of carrying out resource activities provided the activity does not cause environmental harm at any nuisance sensitive place.
- E8
Vegetation must not be burnt at the landfill facility. Schedule F: Land Rehabilitation
- F1
—_ Land disturbed by mining activities must be rehabilitated in accordance with Appendix A: Rehabilitation Requirements and Figure A1: Rehabilitated Final Landform.
- F2
Rehabilitation must commence progressively as areas become available and in accordance with the Plan of Operations. Infrastructure
- F3
All buildings, structures, mining equipment and plant erected and/or used for the mining activities must be removed from the site prior to surrender, except where agreed in writing by the administering authority and the landowner. Contaminants
- F4
The mining activity must not result in a contaminant, other than a contaminant authorised to be released under condition C2, being deposited: (a) in waters; or (b) at another place, and in a way, so that the contaminant could reasonably be expected to wash, blow, fall or otherwise move into waters.
- F5
The mining activity must not result in a contaminant, other than a contaminant authorised to be released under condition C2 or meeting the requirements of condition B1, being deposited: (a) off Mining Lease 70425; or (b) at another place, and in a way, so that the contaminant could reasonably be expected to wash, blow, fall or otherwise move off Mining Lease 70425. Mining Waste
- F6
A Mining Waste Management Plan must be developed by an appropriately qualified and suitable person and implemented prior to the commencement of mining activities. (we F7 F8 F9 Environmental Authority EPML00353213 — Kevin’s Corner Project The Mining Waste Management Plan must include: (a) programs for progressive characterisation of overburden tailings and coarse reject waste prior to disposal for net acid producing potential and the following contaminants: Iron (Fe), Aluminium (Al), Copper (Cu), Magnesium (Mg), Manganese (Mn), Calcium (Ca), Sodium (Na) and Sulphate (SO4); (b) identification of environmental issues and potential environmental impacts from the overburden and CHPP waste; (c) control measures for routine operations to minimise the likelihood of environmental harm; (d) contingency plans and emergency procedures for non-routine situations; (e) a Program for monitoring and review of the effectiveness of the Mining Waste Management an. (f) the process for the quantification of availability or leachability of metals from the tailings; (g) the keeping of records of: (i) disposal to indicate locations and characteristics of coarse reject waste disposed of within mining waste emplacement areas. (ii) mining waste emplacements to indicate locations and characteristics of mining waste. (h) placement strategies of tailings material within the Tailings Storage Facility; (i) the progressive 3D survey of all tailings disposal locations within the mining waste emplacement areas; (j) placement strategies of coarse reject waste in the mining waste emplacement area to enable successful rehabilitation outcomes in accordance with conditions of this environmental authority; (k) the process for the identification and quantification of Potentially Acid Forming (PAF) mining waste; (I) management actions for mining waste that has been identified as having a high availability or leachability of metals in accordance with condition F7c; (m) management actions for mining waste that has been defined as Potentially Acid Forming (PAF), including a review of the potential impacts on rehabilitation; (n) where the acid producing potential of mining waste material has not been conclusively determined, geochemical kinetic testing to indicate oxidation rates, potential reaction products
- F10
The review report required by condition F8 and the written response to the review report required by condition F9 must be submitted to the administering authority with the subsequent annual return under the signature of the appointed signatory for the annual return.
- F11
Acopy of the Mining Waste Management Plan must be provided to the administering authority on request.
- F12
The mining waste emplacement areas shall be designed to prevent environmental harm arising from contaminants being released to the environment.
- F13
An operational plan must be developed and implemented prior to commencement of mining activities and maintained for the mining waste emplacement areas. The operational plan must include, but not be limited to: (a) description of landform development stages of the mining waste emplacement areas; (b ~~ description of placement techniques for mining waste and course reject waste from the coal handling and processing plant; (c) identification of areas that are, or are proposed, to contain Potentially Acid Forming mining waste emplacements; (d wa identification of areas that are, or are proposed, to contain coarse rejects within mining waste emplacements; (e ~~ identification of areas that are, or are proposed, to contain tailings within mining waste emplacements; (f) demonstration of how operations of the mining waste emplacement areas are consistent with the accepted design plan for the facility; and (g) decommissioning and rehabilitation strategies for the mining waste emplacement areas that demonstrate consistency with the conditions of this environmental authority.
- F14
The mining waste emplacement areas within the open pit must be designed to ensure all seepage from the mining waste is appropriately confined and contained prior to decommissioning and rehabilitation.
- F15
The disposal of all PAF coarse reject waste, identified by condition F7, must be encapsulated with Non Acid Forming (NAF) mining waste and disposed in a manner such that the coarse reject waste will not cause significant harm to the environment for the foreseeable future. F16_ All tailings must be disposed of within an authorised Tailings Storage Facility. Subsidence
- F17
A Subsidence Management Plan must be developed by an appropriately qualified person(s) and implemented by the holder of this environmental authority prior to the commencement of activities that result in subsidence.
- F18
The Subsidence Management Plan must: (a) provide for the proper and effective management of the actual and potential environmental impacts resulting from the mining activity and to ensure compliance with the conditions of this environmental authority; (b) be developed in accordance with Appendix B; On. Environmental Authority EPML00353213 — Kevin’s Corner Project F19 F20 (c) describe the proposed impacts of subsidence on any land, watercourse and floodplain including but not limited to: (i) physical condition of surface drainage: * erosion; * areas susceptible to higher levels of erosion such as watercourse confluences; * incision processes; * stream widening; * tension cracking; * lowering of bed and banks; ¢ creation of instream waterholes; * changes to local drainage patterns; (ii) overland flow: ° * capture of overland flow by subsided long-wall panels; * increased overbank flows due to lowering of high bank of watercourses; ¢ the portion of local and large scale catchment likely to be captured by subsided long-wall panels and the associated impacts on downstream users; (iii) water quality: ¢ surface water; * groundwater; (iv) land condition: current land condition to be impacted by subsidence; (v) infrastructure: detail of existing infrastructure (pipelines, railway, powerlines and haul roads) should be identified where there is a potential impact from effects of land subsidence; (d) propose options for mitigating any impacts associated with subsidence and how these mitigation methods will be implemented; (e) describe cumulative impacts on watercourses or catchments; (f) describe impacts on groundwater; (g) describe contingency procedures for emergencies; and (h) include a program for monitoring and review of the effectiveness of the Subsidence Management Plan The Subsidence Management Plan must be reviewed each calendar year and a report prepared by an appropriately qualified person. The report must: (a) assess the plan against the requirements under condition F18; (b) include recommended actions to ensure actual and potential environmental impacts are effectively managed for the coming year; and (c) identify any amendments made to the Subsidence Management Plan following the review.
- F21
The review report required by condition F19 and the written response to the review report required by condition F20 must be submitted to the administering authority upon request. Annual Inspection of Subsidence
- F22
The holder of this environmental authority must arrange for each subsided longwall panel to be inspected annually by a suitably qualified and experienced person, in accordance with conditions F23 through F25.
- F23
The annual inspection must be conducted between 1 April and 1 November each year.
- F24
Ateach annual inspection, the condition of each subsided longwall panel must be assessed, including the structural, geotechnical and hydraulic adequacy of the subsided longwall panel and the adequacy of the works with respect to the Subsidence Management Plan.
- F25
For each inspection, copies of a report certified by the suitably qualified and experienced person, including any recommendations to ensure the integrity of each subsided longwall panel must be provided to the administering authority upon request. Overland Flow
- F26
The subsided longwall panels must not result in the capture of overland flow and must allow water to drain from the panel. Ecological Equivalence Assessment
- F27
The holder of this environmental authority must undertake an ecological equivalence assessment of the whole impact area — including opencut and all subsidence area where State Significant Biodiversity Values occur using the Ecological Equivalence Methodology (Queensland Biodiversity Offsets Policy) or an alternative method as agreed by the administering authority. The ecological equivalence assessment must: (a) identify the presence, type and extent of any State Significant Biodiversity Values; and (b) be undertaken by an appropriately qualified person. Biodiversity Offset Plan
- F28
A Biodiversity Offset Plan must be developed by an appropriately qualified person.
- F29
The Biodiversity Offset Plan must: (a) include the ecological equivalence assessment required under condition F27; (b) identify and quantify impacts to any State Significant Biodiversity Values; (c) provide for how potential impacts to State Significant Biodiversity Values will be assessed in accordance with the Queensland Biodiversity Offset Policy or an alternative approach approved by the administering authority; (d) identify how the impacts of subsided areas will be monitored and identified to determine that sufficient offset areas have been provided in accordance with condition F41; and (e) include a detailed description of how the Biodiversity Offset Plan aligns with the requirements for offsets imposed on the holder under the Environmental Protection and Biodiversity Act 1999 (Cth).
- F30
The Biodiversity Offset Plan described in condition F29 must be provided to the administering authority prior to the commencement of mining activities. Environmental Authority EPML00353213 — Kevin’s Corner Project F31 F32 F33 F34 F35 F36 F37 Biodiversity Offset Delivery Agreement A Biodiversity Offset Delivery Agreement must be developed by an appropriately qualified person. The Biodiversity Offset Delivery Agreement must: (a) quantify the offset requirements and include a detailed description of the surveyed locations of State Significant Biodiversity Values, having regard to the assessment conducted under condition F27; (b) describe if the holder of the environmental authority proposes to offset impacts to State Significant Biodiversity Values through: 1. a Legally Secured offset: (i) Identify the land, (including the land on which the relevant mining activity is carried out) or on other land in the State which may have the relevant State Significant Biodiversity Values. Preferably the identified land should be located within areas mapped as priority 1 and 2 areas to provide for long term landscape scale ecosystem function and connectivity consistent with the Galilee Basin Offset Strategy (2012 EHP), however if land within this areas is not able to be utilised for offsets the Biodiversity Offset Delivery Agreement should identify why. (ii) Include the completed assessment of the land to be provided for the offset including Ecological Equivalence Assessment; and/or 2. an offset payment: (i) Indicate any commitment to make an offset payment in accordance with the Queensland Biodiversity Offset Policy or an alternative approach approved by the administering authority, including the amount(s) and timing of that payment; and/or (ii) Indicate the level of offset delivery for which an offset payment(s) may be considered; and/or 3. an offset transfer, indicate the level of offset delivery for which an offset transfer may be considered; and (c) include details on the delivery of offsets as per conditions F34, F35 and F36. The Biodiversity Offset Delivery Agreement must be submitted to the administering authority by 3 years from grant of the Environmental Authority. Offset Delivery
- G4
Certification must be provided by the suitably qualified and experienced person who undertook the assessment, in the form set out in the Manual for Assessing Hazard Categories and Hydraulic Performance of Dams. G5__—‘The holder must take reasonable and practical measures so that each dam associated with the mining activity is designed, constructed, operated and maintained in accordance with accepted engineering standards and is fit for the purpose for which it is intended.
- G6
All regulated structures must be designed by, and constructed under the supervision of, a suitably qualified and experienced person in accordance with the requirements of the Manual for Assessing Hazard Categories and Hydraulic Performance of Dams.
- G7
Construction of a regulated structure is prohibited unless the holder has: (a) submitted a hazard category assessment report and certification to the administering authority; (b) commissioned a suitably qualified and experienced person to prepare a design plan for the structure; and (c) received the certification from a suitably qualified and experienced person for the design and design plan and the associated operating procedures in compliance with the relevant condition of this authority.
- G8
Certification must be provided by the suitably qualified and experienced person who oversees the preparation of the design plan, in the form set out in the Manual for Assessing Hazard Categories and Hydraulic Performance of Dams.
- G9
Regulated structures must: (a) be designed and constructed in accordance with and conform to the requirements of the Manual for Assessing Hazard Categories and Hydraulic Performance of Dams; (b) be designed and constructed with due consideration given to ensuring that the design integrity would not be compromised on account of: (i) floodwaters from entering the regulated dam from any watercourse or drainage line; and (ii) wall failure due to erosion by floodwaters arising from any watercourse or drainage line.
- G10
The design plan for a regulated structure must include, but is not limited to: (a) certification that the design plan: (i) is in accordance with the Manual for Assessing Hazard Categories and Hydraulic Performance of Dams, including subsidiary certifications if necessary; and (ii) addresses the requirements in G10(b) to (h) (b) A design report which provides: (i) a description of all the documents which constitute the design plan; (ii) a statement of: A. the applicable standards including engineering criteria, industry guidelines, relevant legislation and regulatory documents, relied upon in preparing the design plan; and B. all relevant facts and data used in preparing the design plan, including any efforts made to obtain necessary facts and data, and any limitations or assumptions to facts and data used in preparing the design plan; GA Environmental Authority EPML00353213 — Kevin’s Corner Project C. the hazard category of the regulated structure; and D. setting out the reasoning of the suitably qualified and experienced person who has certified the design plan, as to how the design plan provides the necessary required performance; (iii) documentation of hydrological analyses and estimates required to determine all elements of the design including volumes and flow capacities; (iv) detailed criteria for the design, operation, maintenance and decommissioning of the regulated structure, including any assumptions; (v) design, specification and operational rules for any related structures and systems used to prevent failure scenarios; (c) Drawings showing the lines and dimensions, and locations of built structures and land forms associated with the regulated structure; (d) Consideration of the interaction of the pit design with the levee or regulated dam design: (e) An operational plan that includes: (i) normal operating procedures and rules (including clear documentation and definition of process inputs) used in calculating the Design Storage Allowance (DSA)); (ii) contingency and emergency action plans including operating procedures designed to avoid and/or minimise environmental impacts including threats to human life resulting from any overtopping or loss of structural integrity of the regulated structure; (f) A plan for the decommissioning and rehabilitation of the regulated structure at the end of its operational life; (g) Details of reports on investigations and studies done in support of the design plan; (h) Any other matter required by the suitably qualified and experienced person.
- G11
Certification by the suitably qualified and experienced person who supervises the construction must be submitted to the administering authority on the completion of construction of the regulated structure, and state that: (a) the 'as constructed’ drawings and specifications meet the original intent of the design plan for that regulated structure; (b) construction of the regulated structure is in accordance with the design plan;
- G12
Where a regulated dam is to be managed as part of an integrated containment system and the DSA volume is to be shared across the integrated containment system, the design and operating rules for the system as a whole must be documented in a system design plan that is certified by a suitably qualified and experienced person.
- G13
The system design plan must contain: (a) the design plans, and (b) the ‘as constructed’ plans, and (c) the operational rules for each individual regulated dam that forms part of the integrated system, and (d) the standards of serviceability and accessibility of water transfer equipment or structures, and (e) the operational rules for the system as a whole. Operation of a Regulated Structure
- G14
Operation of a regulated structure is prohibited unless: (a) the holder has submitted to the administering authority: Gr Environmental Authority EPML00353213 — Kevin’s Corner Project (i) one paper copy and one electronic copy of the design plan and certification of the ‘design plan’ in accordance with condition G7, and (ii) a set of ‘as constructed’ drawings and specifications, and (iii) certification of those ‘as constructed drawings and specifications’ in accordance with condition G8, and (iv) where the regulated structure is to be managed as part of an integrated containment system for the purpose of sharing the DSA volume across the system, a copy of the certified system design plan. (b) the requirements of this authority relating to the construction of the regulated structure have been met; and (c) relevant details for regulated structures have been included in Table 17: Location of Regulated Structures and Table 18: Basic Details of Regulated Dams of this authority.
- G15
Each regulated structure must be maintained and operated in a manner that is consistent with the current design plan, the current operational plan, and the associated certified ‘as constructed’ drawings for the duration of its operational life until decommissioned and rehabilitated.
- G16
The holder must take reasonable and practicable control measures to prevent the causing of harm to persons, livestock or wildlife through the construction and operation of a regulated structure. Reasonable and practicable control measures may include, but are not limited to: (a) the secure use of fencing, bunding or screening; and (b) escape arrangements for trapped livestock and fauna. Mandatory Reporting Level
- G17
The Mandatory Reporting Level (the MRL) must be marked on a regulated dam in such a way that during routine inspections of that dam, it is clearly observable.
- G18
The holder must, as soon as practical and within forty-eight hours of becoming aware, notify the administering authority when the level of the contents of a regulated dam reaches the Mandatory Reporting Level.
- G19
The holder must, immediately on becoming aware that the Mandatory Reporting Level has been reached, act to prevent the occurrence of any unauthorised discharge from the regulated dam. Annual Inspection Report
- G20
Each regulated structure must be inspected each calendar year by a suitably qualified and experienced person.
- G21
At each annual inspection, the condition and adequacy of all components of the regulated structure must be assessed: (a) against the most recent hazard assessment report and design plan (or system design plan); (b) against recommendations contained in previous annual inspections reports; (c) against recognised dam safety deficiency indicators; (d) for changes in circumstances potentially leading to a change in hazard category; (e) for conformance with the conditions of this authority; On Environmental Authority EPML00353213 — Kevin’s Corner Project G22 G23 G24 G25 G26 G27 G28 G29 G30 (f) for conformance with the ‘as constructed’ drawings; (g) for the adequacy of the available storage in each regulated dam, based on an actual observation or observations taken after 31 May each year but prior to 1 November of that year, of accumulated sediment, state of the containment barrier and the level of liquids in the dam (or network of linked containment systems): (h) for evidence of conformance with the current operational plan. A suitably qualified and experienced person must prepare an annual inspection report containing details of the assessment and including recommended actions to ensure the integrity of the regulated structure. The suitably qualified and experienced person who prepared the annual inspection report must certify the report in accordance with the Manual for Assessing Hazard Categories and Hydraulic Performance of Dams. (Feb 2012) The holder of this environmental authority must: (a) upon receipt of the annual inspection report, consider the report and its recommendations and take action to ensure that the regulated structure will safely perform its intended function; and (b) within twenty (20) business days of receipt of the annual inspection report, notify the administering authority in writing, of the recommendations of the inspection report and the actions being taken to ensure the integrity of each regulated structure. A copy of the annual inspection report must be provided to the administering authority upon request and
- G31
The holder must provide a copy of any reports, documentation and certifications prepared under this authority, including but not limited to any Register of Regulated Structures, hazard assessment, design plan and other supporting documentation, to a new holder and the administering authority on transfer of this authority. Decommissioning and Rehabilitation
- G32
Prior to the cessation of the environmentally relevant activity, each regulated structure must be decommissioned such that: (a) ongoing environmental harm is minimised by the regulated structure: (i) becoming a safe site for humans and animals at the completion of rehabilitation; and (ii) becoming a stable landform, that no longer contains flowable substances and minimises erosion impacts; and ili) not allowing for acid mine drainage; and ( (iv) being approved or authorised under relevant legislation for a beneficial use; and (v) being a void authorised by the administering authority to remain after decommissioning; and t (b) he regulated structure is compliant with all other relevant rehabilitation requirements of this authority. Regulated Structures Location and Performance
- G33
Each regulated structure named in Column 1, Table 17: Location of Regulated Structures must be wholly located within the control points noted in columns 2 and 3 of Table 17: Location of Regulated Structures, for that structure.
- G34
Each regulated dam named in Column 1 of Table 17: Location of Regulated Structures, must be consistent with the details noted in Column 2 through to and including Column 7 of Table 18: Basic Details of Regulated Dams, below, for that dam.
- G35
Spillway Level (mAHD) to be finalised based on final design plans and submitted to the administering authority 20 business days prior to commencement of construction of the regulated structure.
- G36
Each regulated dam named in Column 1 of Table 17: Location of Regulated Structures, must meet the hydraulic performance criteria noted in Column 2 through to and including Column 4 of Table 19: Hydraulic Performance of Regulated Dams, for that dam.
- G37
Each regulated levee named in Column 1 of Table 17: Location of Regulated Structures, must be consistent with the details noted in Columns 2 through to and including Column 6 of Table 20: Basic Details of Regulated Levees, for that levee.
- G38
Design Flood Level (nAHD) and minimum Levee Level (mAHD) to be finalised based on final design plans and submitted to the administering authority 20 business days prior to commencement of construction of the regulated structure. Go Environmental Authority EPML00353213 — Kevin’s Corner Project Table 17: Location of Regulated Structures Levees onl Name of Regulated Structure1 Latitude Longitude Unique Location (decimal degree GDA (decimal degree GDA ID3 94) 94) Mine Water Dam 1 -23.0563 146.4087 N/A -23.0715 146.4086 -23.0715 146.4354 -23.0564 146.4354 /A Mine Water Dam 2 -23.0715 N -23.0850 -23.0851 Mine Water Dam 3 -23.0844 146.5040 N/A -23.0928 146.5040 -23.0929 146.5165 -23.0845 146.5165 Mine Water Dam 4 -23.0988 146.5097 N/A -23.1076 146.5096 -23.1076 146.5195 -23.0988 146.5195 Tailings Storage Facility 1 -23.0153 146.4731 N/A -23.0071 146.4876 -23.0156 146.4931 -23.0238 146.4786 Tailings Storage Facility 2 -23.0243 146.4778 N/A -23.0125 146.4987 -23.0159 146.5024 -23.0219 146.5045 -23.0253 146.5045 -23.0322 146.5017 -23.0431 146.4875 -23.0438 146.4840 Southern Opencut Levee -23.1172 146.4416 Control Point 1 -23.1099 146.4419 Control Point 2 -23.1099 146.4954 Control Point 3 -23.0577 146.4968 Control Point 5 -23.0539 146.4938 Control Point 6 -23.0527 146.4900 Control Point 7 -23.0532 146.4844 Control Point 8 -23.0517 146.4794 Control Point 9 -23.0496 146.4743 Control Point 10
- H1
Treated effluent from the sewage treatment plant must only be discharged from the authorised discharge points, as specified in Table 21: Effluent Discharge Locations and discharged to the areas shown in Table 23: Effluent Irrigation Locations or used for dust suppression, in compliance with the (a Environmental Authority EPML00353213 — Kevin’s Corner Project limits and at the frequency stated in Table 22: Effluent Release Limits to Land and the conditions of this authority. Table 21: Effluent Discharge Locations Authorised Sewage Treatment Location Effluent Latitude Longitude Discharge Plant Irrigation (decimal (decimal Point Area degree degree
- H10
Treated sewage effluent must only be supplied to another person or organisation that has a written plan detailing how the user of the treated sewage effluent will comply with their general environmental duty under section 319 of the Environmental Protection Act 1994 whilst using the treated sewage effluent. Biosolids
- H11
Biosolids are authorised to be used as a soil conditioner for application to land during rehabilitation activities subject to the conditions of this environmental authority.
- H12
The environmental authority holder must assess the suitability of each proposed application area prior to application of biosolid material to ensure that application will not cause environmental harm.
- H13
Biosolids not used as a soil conditioner must be appropriately disposed of as a regulated waste.
- H14
__ Biosolids removed from the site must be transported by an authorised regulated waste transporter to a facility that can lawfully accept regulated waste. Schedule |: Water Treatment 11 Brine and any contaminated water generated from the water treatment plant must only be released from the authorised discharge points specified in Table 24: Brine Water Management Infrastructure to the water management infrastructure specified in Table 24: Brine Water Management Infrastructure. Table 24: Brine Water Management Infrastructure Discharge Point Latitude Longitude (decimal degree Water Management (decimal GDA94) Infrastructure degree GDA94) | Brine Discharge Point 1 -23.08180 146.55214 MWD 2 END OF CONDITIONS / Environmental Authority EPML00353213 — Kevin’s Corner Project Schedule J: Definitions Words and phrases used throughout this environmental authority are defined below. Where a definition for a term used in this environmental authority is not provided within this environmental authority, but is provided in the EP Act 1994 or subordinate legislation, the definition in the EP Act or subordinate legislation must be used. “20th percentile flow” means the 20th percentile of all daily flow measurements (or estimations) of daily flow over a 10 year period for a particular site. The 20th percentile calculation should only include days where flow has been measured (or estimated), i.e. not dry weather days. “accepted engineering standards” in relation to dams, means those standards of design, construction, operation and maintenance that are broadly accepted within the profession of engineering as being good practice for the purpose and application being considered. In the case of dams, the most relevant documents would be publications of the Australian National Committee on Large Dams (ANCOLD), guidelines published by Queensland government departments, and relevant Australian and New Zealand Standards. “acid rock drainage” means any contaminated discharge emanating from a mining activity formed through a series of chemical and biological reactions, when geological strata is disturbed and exposed to oxygen and moisture as a result of mining activity. “AEP” means the Annual Exceedance Probability. “airblast overpressure” means energy transmitted from the blast site within the atmosphere in the form of pressure waves. The maximum excess pressure in this wave, above ambient pressure is the peak airblast overpressure measured in decibels linear (dBL). “ambient noise” at a place, means the level of noise at the place from all sources (near and far), measured as the Leq for an appropriate time interval. “annual exceedance probability” means the probability that at least one event in excess of a particular magnitude will occur in any given year. “ANZECC” means the Australian and New Zealand Guidelines for Fresh Marine Water Quality 2000. “appropriately qualified person” means a person who has professional qualifications, training, skills or experience relevant to the nominated subject matter and can give authoritative assessment, advice and analysis