Newstan Colliery – CCC Presentation 15 th August 2019 www.centennialcoal.com.au
Awaba Environment & Community Update March 2019 – August 2019 www.centennialcoal.com.au
Introduction Awaba Colliery – Wilton Road , Awaba. Regulatory Instrument Change Project Approval 10_0038 No Environment Protection Licence 443 No CCL746 No MPL 327 No MPL 328 No Awaba Colliery Part 3A approval was converted to a State Significant Development Consent. This occurred in November and there are no implications to the operation as a result of this transition . 3
Awaba Environmental Monitoring The Average Annual results for Dust gauges at Awaba were less than 4.0 g/m2/month during the reporting period. Quarterly Noise monitoring is no longer required under EPL443. 4
Awaba Environmental Management The following reports have been submitted to the EPA according to the requirements of the EPA Clean-Up Notice (Awaba Seepage) received in April 2016: • Site Investigation Report • Management Options Report • Extraction and Treatment Investigation Report • Monitoring Data Report Centennial and the EPA are still working towards a final outcome and Centennial is responding to the EPA’s request for further information. 5
Summary of Compliance • There were no exceedances or non-compliances since the last meeting. • No complaints for Awaba Colliery during the reporting period. 6
Additional Bollards at Freemans Drive Additional bollards and cabling have been installed on Freemans Drive to help deter access. 7
Awaba Solar Panel Project • Newstan has obtained LMCC Development Consent for the installation of 200kw of portable solar panels on the Awaba hardstand area. • An order has been placed with 5B solar for installation of a stage 1, 100kW system. • Newstan has applied with AusGrid for approval to connect to the power supply . 8
Newstan Operation Update March 2019 – August 2019 www.centennialcoal.com.au
Introduction Newstan Colliery – Miller Road , Fassifern. Regulatory Instrument Change Development Consent DA 73-11-98 MOD8 No Development Consent SSD5145 No Environment Protection Licence 395 No CCL746 No CCL727 No MPL 327 No MPL 328 No 10
Newstan on Care & Maintenance Continued with care and maintenance activities, focused on maintaining the mine infrastructure and keeping the mine safe. • Three underground employees working full time. – Focus on underground roof support maintenance. – Repairing roads. – Maintaining and improving dewatering infrastructure. – Improving the quality of goaf seals. 11
Newstan Mine Extension Project March 2019 – August 2019 www.centennialcoal.com.au
Project Overview • Newstan Extension Project is seeking approval for: – Bord and pillar mining using combination of first workings, partial and total extraction – Extraction of up to 4 Mtpa over a 15 year mine life. – In-seam gas drainage with captured gas transferred to a gas flaring facility at the Awaba Colliery Surface Site – Men and materials access from the Newstan Colliery Surface site – Utilisation of ventilation shafts at the Newstan Colliery Surface Site and Awaba Colliery Surface Site – Operational workforce of up to 320 personnel – Peak construction workforce of up to 50 personnel Note operational implementation may result in less than approved limits identified above 3
Project Area Significant resources remain to the south and east of our proposed mining area 14
Mine Design • Project balances optimising resource recovery and protecting sensitive environmental features • The combination of first workings, partial extraction, and total extraction adopted to minimise subsidence impacts enabling adaptive management strategies to be implemented as mining progresses • First working zones mitigate multi-seam subsidence impacts associated with the Awaba workings in the overlying Great Northern seam 1
Mining Zones 16
Surface Infrastructure • All new proposed surface infrastructure will be located at the Awaba Colliery Surface Site • Minimal vegetation clearing is required which will reduce any biodiversity offset costs • The Awaba Colliery Surface Site is ideally situated above the proposed mining area and close to existing ventilation infrastructure 1
Awaba Surface Site 18
Approval Process WE ARE HERE 5
Environmental Assessments • Baseline surveys commenced to confirm what exists across the project area and determine the condition • Technical Impact Assessments commenced to address: – Subsidence – Groundwater and surface water – Terrestrial and aquatic ecology – Air quality and greenhouse gas – Noise and vibration – Traffic and transport – Aboriginal and historic heritage – Visual – Socio-economic 6
Environmental Impact Statement • As part of the preparation of impact assessments, environmental mitigation, management, monitoring and offset measures will be identified to enhance the project’s benefits and address any impacts • All the findings will be documented in the EIS • EIS submission targeting Q1 2020 7
Newstan Environment & Community Update March 2019 – August 2019 www.centennialcoal.com.au
Newstan Environmental Monitoring There was one exceedance of water quality criteria for the reporting period. LDP1 recorded a bicarbonate alkalinity measurement of 750mg/l (limit of 711mg/l). The Average Annual results for Dust gauges at Newstan were less than 4.0 g/m2/month during the reporting period. The Total Particulate Matter (TSP) and PM10 results were within Development Consent criteria during the reporting period. Quarterly Noise Monitoring was carried out in March and June 2019. There were no exceedances of the Development Consent noise limit criteria. 23
Summary of Compliance • There were no other exceedances or non-compliance since the last meeting. • There were no complaints received since the last meeting. • Newstan received two Penalty Infringement Notices (PIN’s) in relation to noise exceedances in Q2 2018. – 1 x PIN received for exceedance of noise criteria – 1 x PIN received for the real time noise monitor not providing consistently reliable results • Newstan is progressing the installation of the new Sentinex Noise Unit to ensure compliance with the Development Consent requirements. 24
Southern Rejects Emplacement Area • Recent attention locally and globally on the stability / safety of dams holding fine rejects. • Centennial wishes to engage proactively with community about the facilities we operate • The SREA is used to receive reject material from the processing of coal from Centennial’s Mandalong mine • Rejects can be coarse or fine and must be disposed of as part of a reject management plan. This occurs under strict environmental conditions and subject to various planning and environmental approvals. Fine, wet rejects is often referred to as tailings, as is often stored in a tailings dam. • The current lifespan on the SREA is approximately between 15 – 20 years and will be capped and rehabilitated to natural landform once it reaches its maximum design capacity. 25
Southern Rejects Emplacement Area Photos of SREA from Dave Baker to be included in this slide and the following slide. • The previous Northern reject emplacement area is an example of the effective management of tailings. The area is being filled and progressively shaped, capped and revegetated to a natural state. • The SREA was designed to provide long-term stable storage for tailings and course reject from Centennial’s Lake Macquarie operations. It was designed by external consultants who have particular expertise in the design and management of reject storage facilities. 26
SREA - Technical • The SREA is subject to the strictest environmental and auditing processes meeting all government requirements. • Inspections are carried out daily along with external expert engineers who regularly inspect the SREA to ensure the site is managed safely and all regulatory conditions are met. • Aerial surveys of the SREA are conducted using LiDAR technology to monitor and identify any changes to the dam wall and surrounds. 27
SREA – is safe • The SREA was designed to provide long-term storage for tailings and coarse reject from Centennial’s Lake Macquarie operations. Reject has been managed at the Newstan site since 1950 ’s, nearly 70 years ago. • The dam is a ‘prescribed dam’ pursuant to the Dam Safety Act (NSW), and as such, is subject to additional external scrutiny and audit by regulators. 28
Newstan Pumped Hydro Storage Project CCC Update 15 August 2019 www.centennialcoal.com.au File Name: Banpu Introduction to CMPHES
Why does the NSW Government want pumped hydro? Source:
Where does Pumped Storage fit in Source:
What is Pumped Hydro • It is using water as a battery • If water is stored in a dam at the top of a hill it can store energy • On releasing that water, it can be passed through a turbine to produce electricity • If the water is then captured in a dam at the bottom of the hill, it can be pumped back up the hill again to create stored energy for use at a later time • This concept is called pumped hydro energy storage (PHES) 32
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