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Tom, cheers for that, hadn't read back through all the old posts. I watched a few of the videos posted showing the underground structure of the inclines, very interesting stuff.
ATB JB
Joe hey,
I am talking about the Decline only not transporting to the plant :-))))))) and Bamps post :-
Today 12:22
Hi SB
The caving option was omitted from the PFS mining plan so 6m oz is not feasible with SLOS on the volumes within SE crescent.
The Decline extract volumes according to the brokers was 2m max so that’s where that came from.
The 3m is what Shaun says the Decline can handle but that would be serious haulage volumes, 126 truck loads per day going out and then getting back in. 5 trucks per hour possible maybe but from 4-5k down I’m not sure
Cheers
Tom :-)
TOM Would the not install an overground conveyor to transport the ore to NC plant
Surely the overall ore target ( and timing) will be to increase it in line with the declining source from Telfet so as to keep the processing plant economical
Bamps hey, that's a serious amount of volume and please correct me if I am wrong but 126 trucks per day with 5 per hour would mean 24 hour non stop travel and one direction, would that not mean they would need 10 trucks for the complete journey there and the return path ?? surely that is impossible especially with the distance they must travel. As we know this work will be under strict Safety rules in regards to the special location of the works. This can not be rushed under any circumstances and the working methods will be under hourly checks for safety with a suggested ZERO tolerance for any accidents. So I agree with your figures. Its all down to what the decline can handle under the strict safety rules that will be monitored by the hour. There will be No room for accidents at these volumes and depth.
Wow its hard to even imaging how difficult these works will be. I may well have misunderstood so please put my mind at rest as it appears to be an enormous task 24/7 wow.
Something to think about.
Cheers
Tom :-)
Hi SB
The caving option was omitted from the PFS mining plan so 6m oz is not feasible with SLOS on the volumes within SE crescent.
The Decline extract volumes according to the brokers was 2m max so that’s where that came from.
The 3m is what Shaun says the Decline can handle but that would be serious haulage volumes, 126 truck loads per day going out and then getting back in. 5 trucks per hour possible maybe but from 4-5k down I’m not sure
Sure / thanks. The text in the RNS that caught my eye was that below, which suggests that they've looked at the mining practicalities of operating at 3Mtpa. I recall SD saying something about this in one of the interviews he gave. There are in fact 7 mentions of 3Mtpa if the GGP RNS, it's not a one-off. My working assumption is that 3Mtpa is the targeted rate, even if 2Mtpa was used for the PFS. YMMV of course...
"The Stage 1 Study assessed mining production methods including SLOS with mining rates of 2Mtpa to 3Mtpa and caving options up to 6Mtpa. Surface infrastructure studies were focused on the transportation of ore back to the Telfer processing plant with a range of options considered in early-stage evaluations including conveyor, rail, pipeline and truck haulage, with the latter adopted for the Ore Reserve case. Processing studies evaluated a modified Telfer process plant to accommodate the Havieron ore.
The initial Ore Reserve case is based on a ~2Mtpa production rate from SLOS mining method limited to the Indicated Mineral Resources within the South East Crescent Zone. The Stage 1 Study demonstrates the potential to expand the Project and increase the mining rate to 3Mtpa or more based on the upgrading of the current Inferred Mineral Resources and additional potential Mineral Resource growth from immediately below the South East Crescent Zone as seen in recent drill results (refer to Section titled Potential Exploration Growth for a summary of drill results)."
Hi SB
The 2m ton pa mining was the volume from the drilling records upto February 21
3m ton is the % increase from then until about Aug in those later drills
Yes - and I think this is worthy of attention. The 3Mtpa figure is in the GGP "Growth Update" deck as well. Reading between the lines I wonder whether this was a point of contention between the JV partners. 3Mtpa would have materially improved the project's declared IRR, which I suspect is more important to GGP at this point than it is to NCM.
Just in case you missed this.
"A feasibility study at #Havieron will be the key development in 2022 for Greatland Gold (LON: #GGP) according to broker Berenberg.
An enlarged operation of 3mln/t per year is under consideration."
https://twitter.com/GreatlandGold
https://www.proactiveinvestors.co.uk/companies/news/967778/havieron-feasibility-study-the-key-for-greatland-gold-in-2022-says-broker-967778.html