Boral — Corporate Update (September 2020)
32 slides from Boral's corporate update, Sep 18, 2020
Slide 1: Berrima Colliery - Closure Working Group Meeting #7
Berrima Colliery - Closure Working Group Meeting #7 >Welcome Boral Cement Strode Room 18 September 2020
Slide 2: Agenda
Agenda 1. Welcome and Apologies - Introductions 2. Terms of Reference - Conduct of CWG Members 3. Review of minutes & actions 4. Water Quality Results update - Greg Johnson 5. Bulkhead Seals Update - David Spears 6. Key Steps to Closure 7. Long term pit top treatment option - David Spears/Greg Johns
Slide 3: Welcome - CWG Representatives, Apologies & Guests
1. Welcome - CWG Representatives, Apologies & Guests ● Boral - Girish Yadwad, Greg Johnson, David Spears, Paul Jackson ● Resource Regulator - Greg Kininmonth, Peter McMillan ● Environment Protection Authority - William Dove, Andrew Couldridge ● WaterNSW - Ravi Sundaram (apology) ● Wingecarribee Shir
Slide 4: Terms of Reference - Code of Conduct of CWG Members
2. Terms of Reference - Code of Conduct of CWG Members Titlefefefefeffff4g45g4545
Slide 5: Review of Minutes – suggested amendments
3. Review of Minutes – suggested amendments Titlefefefefeffff4g45g4545
Slide 6: Review of Minutes – actions
3. Review of Minutes – actions 1. Boral to provide a statement as to their reasons for not publicising the Mandemar Lane Residents submission. On 12 August 2019, a guest was accepted to present to the CWG during our regular CWG meeting. The guest, representing Mandemar Lane residents, presented conc
Slide 7: Surface Water Monitoring Update
4. Surface Water Monitoring Update Titlefefefefeffff4g45g4545
Slide 8: Adit discharge update
Adit discharge update Titlefefefefeffff4g45g4545
Slide 9: Adit discharge update
Adit discharge update Titlefefefefeffff4g45g4545
Slide 10: River Quality Update
River Quality Update ● Significant rain events and water transfers have occured since mid February 2020 reducing the influence of discharges from the mine 1 KM Downstream - August 2020 ● Titlefefefefeffff4g45g4545 1KM Downstream - May 2019
Slide 11: River Quality Update - Cont.
River Quality Update - Cont. Titlefefefefeffff4g45g4545
Slide 12: River Quality Update - Cont.
River Quality Update - Cont. Titlefefefefeffff4g45g4545
Slide 13: River Quality Update - Cont.
River Quality Update - Cont. Titlefefefefeffff4g45g4545
Slide 14: River Quality Update - Cont.
River Quality Update - Cont. Titlefefefefeffff4g45g4545
Slide 15: Bulkhead Sealing Plan Update - Location in respect of workings
5. Bulkhead Sealing Plan Update - Location in respect of workings Titlefefefefeffff4g45g4545
Slide 16: Bulkhead Seal update
Bulkhead Seal update ● Seven Bulkheads installed May 2019 ● Personnel inspecting and recording observations twice a week ● Observations to date - minor seepage in ribs adjacent to the bulkheads and some through roof, lower bulkheads 1 to 4 ● Bulkheads down dip in roadways, other water from western a
Slide 17: Bulkhead Water level update
5.1 Bulkhead Water level update Titlefefefefeffff4g45g4545
Slide 18: Key Steps to Closure
6. Key Steps to Closure ● The Stage 1 Closure MOP covers the period ending 31 December 2020 or until such time as the Stage 2 Closure MOP is approved. ● Boral is currently preparing the Stage 2 Closure MOP which will cover the final closure activities from January 2021 onwards. ● The key addition to
Slide 19: Key Steps to Closure - Key Elements of Stage MOP
6.1 Key Steps to Closure - Key Elements of Stage 2 MOP (note draft only) ● Conclusion of all remaining landowner issues within the mining area. ● Removal or making safe all subsidence monitoring pegs within the mining area. ● Rehabilitation of the vibrating wire piezometer sites BH62 and BH63. ● Tra
Slide 20: Proposed Long Term Pit Top Treatment Solution For Discussion
7. Proposed Long Term Pit Top Treatment Solution For Discussion Without the ongoing treatment underground of groundwaters prior to release, it is likely that the water quality free draining will deteriorate to the levels seen in 2018. To enable an exit from underground activities Boral has commenced
Slide 21: Long Term Pit Top Treatment Solution cont
7. Long Term Pit Top Treatment Solution cont Titlefefefefeffff4g45g4545
Slide 22: Long Term Pit Top Treatment Solution cont
7. Long Term Pit Top Treatment Solution cont Titlefefefefeffff4g45g4545
Slide 23: Proposed Water Supply Pipeline - Medway to New Berrima
8. Proposed Water Supply Pipeline - Medway to New Berrima
Slide 24: Current Status and Project Considerations
urrent Status ● Drought has broken, urgency has eased. ● Currently on hold until Stage 1 pit top treatment solution finalised. roject Considerations ● Review the use of Colliery mine water [rather than manage water make underground] ● Water produced underground is consistent ● Seek alternatives to C
Slide 25: Environmental Protection Licence/ CCL Updates
9. Environmental Protection Licence/ CCL 748 Updates EPL 608 Annual PIRMP drill and review to be undertaken in October. CCL 748 Stage 2 Closure MOP to be submitted by the end of 2020. Titlefefefefeffff4g45g4545
Slide 26: Mandemar Lane Update
10. Mandemar Lane Update ● Boral has made some good progress in preparing an Environmental Activities Land Access Agreement for landholders in Mandemar Lane with Land Access Agreements now in place for the majority of landowners ● The first round of monitoring of groundwaters was undertaken in June,
Slide 27: Bore Locations
10.1. Bore Locations Titlefefefefeffff4g45g4545
Slide 28: Communications Update
11. Communications Update •Objective: Continue the flow of information with regard to the closure plan updates and activity, and provide forums for the community to easily raise and discuss questions with Boral. •Delivery methods: Community newsletter – The most recent Newsletter was released in May
Slide 29: Role of Committee Members - Review of Terms of Reference
12. Role of Committee Members - Review of Terms of Reference Titlefefefefeffff4g45g4545
Slide 30: General business
13. General business Titlefefefefeffff4g45g4545 ● Removal of redundant buildings and infrastructure, scheduled to commence 23rd September 2020. ● Duration 2-3 weeks.
Slide 31: Next meeting date
14. Next meeting date Proposing - week commencing 14 December 2020 Location – TBC Titlefefefefeffff4g45g4545
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