Stratford Coal CCC Meeting Presentation - Company Report & - - PowerPoint PPT Presentation

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Stratford Coal CCC Meeting Presentation - Company Report & - - PowerPoint PPT Presentation

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Stratford Coal CCC Meeting Presentation - Company Report & Overview of Activities August 2014 Michael Plain Environmental Coordinator Table of Contents 1. Agenda Item 7a (Progress at Mine) 2. Agenda Item 7b (Environmental

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SLIDE 1

Stratford Coal CCC Meeting

Michael Plain

Environmental Coordinator

August 2014

Presentation - Company Report & Overview of Activities

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SLIDE 2

Table of Contents

1. Agenda Item 7a (Progress at Mine) 2. Agenda Item 7b (Environmental Projects/Activities) 3. Agenda Item 7c (Environmental monitoring performance) 4. Agenda Item 7d (Community complaints) 5. Agenda Item 7e – (Other matters) a. Weeds Management Plan

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SLIDE 3

21 July 2014

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  • 1. Progress at the Mine

Mining 2nd Quarter 2014

  • Waste BCM

69,000 BCM

  • Coal tonnes

213,000 tonnes

  • Total BCM

218,000 BCM

  • BRN mining completed in July 2014.

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SLIDE 4

21 July 2014

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4

  • 2. Environmental Projects/Activities

Management Area Project Status Air Quality

  • Pollution Reduction Programs
  • Real-Time Dust Management
  • Report to demonstrate 80% control efficiency being finalised

prior to submission to EPA.

  • PRP U3 Handling overburden in adverse weather conditions

– Criteria for adverse weather conditions has been developed. Weather station alarming of performance indicators being established.

  • Performance indicators have been programmed into the

real-time dust software and alarming established. Alarms are managed in accordance with the dust management protocol. Flora

  • 2014 Noxious Weed Program
  • Completed

Fauna

  • 2014 Wild Dog Control Program
  • Current program completed
  • Scheduled to be repeated later in 2014

Blast

  • Roseville West Pit
  • BRN Pit
  • Last blast completed 29 August 2013 – 24 blast for 2013, no

licence criteria exceedances

  • Last blast completed 2 June 2014 – 7 blasts for 2014, no

licence criteria exceedances Noise

  • Quarterly Noise Assessment
  • Mobile Plant Assessment
  • Rail loop acoustic barriers
  • Enclosure on coal loader
  • Real-Time Noise
  • June assessment completed – final report received
  • Annual assessment completed – awaiting final report
  • Noise assessment conducted with reductions of 9-16 dB

recorded.

  • Completed February 2014.
  • System operational for period 8pm to 8am.
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SLIDE 5

21 July 2014

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  • 2. Environmental Projects/Activities – cont.

Management Area Project Status Rehabilitation

  • BRN Pit
  • Roseville West Pit
  • Old Main Pit
  • Shaping and topsoiling of waste dump in progress.
  • 5 Ha cover crop of millet established, planting of additional

pasture grasses completed .

  • Reshaping of southern edge of main pit and planting of

cover crop completed.

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SLIDE 6

21 July 2014

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  • 3. Environmental Monitoring Performance

1.

Rainfall

2.

Surface Water a. Total Suspended Solids b. pH c. Electrical Conductivity

3.

Main Pit a. pH b. Electrical Conductivity c. Sulphate

4.

Reject Monitoring

5.

Air Quality a. Dust Deposition b. Dust Deposition – Petrographic Analysis c. High Volume Air Sampler d. High Volume Air Sampler-Rolling Average e. Real Time Dust Monitoring (TEOM) – PM2.5/PM 10

6.

Blasting a. Bowens Road North

6

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21 July 2014

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Rainfall

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Average 2005 2008 2011 2014 200 400 600 800 1000 1200 1400 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Total

Year Rainfall (mm) Month

Rainfall 2003 - 2014

Average 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014

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21 July 2014

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Surface Water – Total Suspended Solids

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  • All sites returned generally low TSS
  • Gaps indicate no flow

5 10 15 20 25 30 Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun

TSS (mg/L) Sampling Month

Total Suspended Solids (TSS) - Avon River/Avondale Creek June 2013 - June 2014

W1 W2 W4 W5 W6

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21 July 2014

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Surface Water - pH

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  • All sites within ANZECC Guideline range.
  • No obvious trending toward ANZECC Guideline limits
  • Gaps indicate no flow

1 2 3 4 5 6 7 8 9 Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun

pH Sampling Month

pH - Avon River/Avondale Creek June 2013 - June 2014

W1 W2 W4 W5 W6

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Surface Water – Electrical Conductivity

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  • Gaps indicate no flow

100 200 300 400 500 600 700 800 900 1000 Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun

Electrical Conductivity (µS/cm) Sampling Month

Electrical Conductivity - Avon River/Avondale Creek June 2013 - June 2014

W1 W2 W4 W5 W6

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21 July 2014

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Main Pit - pH

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  • Results show neutral pH; no decrease trend in pH

4.00 5.00 6.00 7.00 8.00 9.00 10.00 Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun

pH Sampling Month

Stratford Main Pit pH July 2013 - June 2014

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21 July 2014

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Main Pit – Electrical Conductivity

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  • All results within expected range.

500 1000 1500 2000 2500 3000 3500 4000 4500 Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun

Electrical Conductivity (µS/cm) Sampling Month

Stratford Main Pit Electrical Conductivity July 2013 - June 2014

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21 July 2014

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Main Pit - Sulphate

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  • All results within expected range.

200 400 600 800 1000 1200 1400 1600 1800 Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun

Sulphate (mg/L) Sampling Month

Stratford Main Pit Sulphate July 2013 - June 2014

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21 July 2014

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Reject Sampling

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  • pH within expected range
  • No access June to October
  • Faulty pH probe in March – Reject Beach limed 12 March

1 2 3 4 5 6 7 8 9 10 Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun

pH Sampling Month

Stratford Main Pit Reject Monitoring June 2013 - June 2014

Series2 Series3 Series4 Series5 Series6

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21 July 2014

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Air Quality – Dust Deposition

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  • All sites below EPA limit
  • Samples with significant contamination excluded

0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 Jul Aug Sep Oct Nov Dec Jan Feb Mar Apr May Jun

Dust Deposition (g/m²/month) Sampling Month

Monthly Dust Deposition July 2013 - June 2014

D5 Straford Village D6 Mine D7 Isaac D8 Bramley D9 Craven D10 Williams D11 Ellis EPA Limit

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Air Quality – Petrographic Analysis

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Air Quality – High Volume Air Sampler

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  • All sites generally well below NEPM 24hr average level.
  • Spike in October due to smoke from Hunter Valley fires being blown up into Gloucester Valley.

0.0 10.0 20.0 30.0 40.0 50.0 60.0

Particulate Matter PM10 (µg/m³) Sampling Date

High Volume Dust Monitoring - Particulate Matter (PM10) June 2013 - June 2014

Stratford Craven Ellis Clarke NEPM 24 hr Avg

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21 July 2014

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Air Quality – HVAS Rolling Average

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  • All site averages well below EPA Limit

0.00 5.00 10.00 15.00 20.00 25.00 30.00 35.00 2-Jun-13 16-Jun-13 30-Jun-13 14-Jul-13 28-Jul-13 11-Aug-13 25-Aug-13 8-Sep-13 22-Sep-13 6-Oct-13 20-Oct-13 3-Nov-13 17-Nov-13 1-Dec-13 15-Dec-13 29-Dec-13 12-Jan-14 26-Jan-14 9-Feb-14 23-Feb-14 9-Mar-14 23-Mar-14 6-Apr-14 20-Apr-14 4-May-14 18-May-14 1-Jun-14 15-Jun-14

Particulate Matter PM10 (µg/m³) Sampling Date

High Volume Dust Monitoring Particulate Matter (PM10) Rolling Average June 2013 - June 2014

Stratford Craven Ellis Clarke EPA Limit

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21 July 2014

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Air Quality – TEOM (Real Time) Monitoring

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  • Zero/negative values are due to moisture vapour/dew drying on filter creating small

negative mass readings.

10 20 30 40 50 60 70 80 90 100

µg/m³ Sampling Date

TEOM (Real Time) Dust Monitoring - Hourly averaged PM2.5/PM10 July 2013 - June 2014

PM2.5 PM10

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21 July 2014

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Blasting – Bowens Road North Pit

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Note: Blast Compliance: No more than 5% of total blasts for annual monitoring period to exceed an overpressure of 115 dBL or ground vibration of 5 mm/s. No blast is to exceed an overpressure of 120 dBL or ground vibration of 10 mm/s

Date Ellis Clarke Falla Ex-Judge Isaac Exceedances % >115dbL Exceedances % >120dbL mm/s dBl mm/s dBl mm/s dBl mm/s dBl mm/s dBl BRN 15-Jan-14 0.39 99.7 0.13 104.5 0.38 96.2 0.28 91.9 0.21 95.4 15-Jan-14 0.17 105.0 0.09 102.9 0.23 92.3 0.12 99.6 0.07 98.3 4-Feb-14 0.211 108.2 0.104 105.6 <0.21 <110.0 0.104 107.5 0.053 111.1 11-Mar-14 0.313 100.2 0.125 103.3 0.31 97.7 0.13 98.5 0.088 102.6 2-May-14 0.306 103.2 0.166 96.4 0.23 97.0 0.111 93.1 0.097 92.3 13-May-14 0.34 103.6 0.08 97.3 <0.21 <110.0 0.11 91.9 0.13 92.3 2-Jun-14 0.163 84.2 0.077 97.3 <0.21 <110.0 0.061 94.1 0.074 98.9

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21 July 2014

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  • 4. Community Complaints - Summary

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Stratford Complaint Summary

Period: 1/04/14 - 30/06/14 Period: 3 Months Total No. of Complaints: 2 (noise) Total No. of Complainants: 2 Time/Date of Complaint Complainant Location Method of Complaint Nature of Complaint Outcome

23/06/2014 The Glen (approx 4.5km SSE of CHPP) Email Noise "There's been a lot of noise from the stockpile dozer this morning." Response to complainant advising initial advice received from operations being use of alternate

  • dozer. Email sent to complainant confirming initial advice and status of standard dozers

i.e. now operational. 2102hrs 10/06/2014 2.9km West possible noise source Community Hotline Noise Complaint regarding noise form dozer track slap. Investigation indicates operations likely to be within required limits. Meeting held with complainant. Complaint closed 30 June 2014.

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21 July 2014

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  • 5. 2014 Weed Management Program
  • Weed Management Plan and contractor

engagement finalised.

  • Spraying of woody weeds completed in Autumn

(i.e. blackberry, wild tobacco, lantana).

  • Scheduled for commencement
  • Spring program September/October targeting Giant

Parramatta Grass

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