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MDEC 2018
S3P2 - 1
A LASTING IMPACT
ONAPING DEPTH PROJECT
SHIV SHARMADESIGNED FOR MDEC 2018
BHARTI SCHOOL OF ENGINEERING
SHIV SHARMAMINE ENGINEERING
LAURENTIAN UNIVERSITY
4TH YEAR STUDENT (2014 – 2019) MINOR: MATHEMATICS
TIMMINS WEST MINE, TAHOE RESOURCES (CO-OP)TIMMINS, ON CA
GROUND CONTROL & VENTILATION JAN – AUG, 2018
SHORT-TERM PLANNING & SURVEYING MAY – DEC, 2017
EMBRO OPERATIONS, FEDERAL WHITE CEMENTEMBRO, ZORRO COUNTY, ON CA
PRODUCTION & PROJECTS COORDINATOR SUMMER, 2016
MECHANICAL ENGINEERING INTERN SUMMER, 2015
SOURCE: OMA MINED COMPETITION, 2018
MDEC 2018
S3P2 - 2
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MDEC 2018
S3P2 - 3
OUR APPROACH TO MINING IS UNSUSTAINABLE.
THINGS HAVE TO CHANGE. FAST.
RESERVE GRADES +
PROJECTED LOM CAPEX & OPEX
AS MINING DEPTHS CONTINUE TO GROW…
…IMPEDIMENT TO ATTRACTING CAPITAL INVESTMENT.
MDEC 2018
S3P2 - 4
LEVERAGE ∝ ∆���������
∆���������= ��������������� − ���� − ��������������� − ��������
RISING COSTS ARE INCREASING LEVERAGE…
…INCREASING FCF SENSITIVITY TO COMMODITY PRICE-SWING CYCLES.
ONAPING DEPTH PROJECTSUDBURY INTEGRATED NICKEL OPERATIONS
ONAPING – SUDBURY, ON CA
General Information
• 11Mt OB between 2300mE – 2600mE
• Ni (HW) and Cu (FW) Sulfides
• Development decisions driven by geotechnical data
• Annual Prod. Target: 1.1Mt (3000tpd)
• 1.5Mtpa Skipping Capacity
• Max Stope Size: 15W x 25H x 20L (m)
• Target Prod. Rate: 1000t/stope-shift
• Fully Battery-Electric Mine
Details of Interest:
• Loading pocket at bottom of deposit
• No ore passes allowed (high stress conditions)
• Desire to improve productivity 3x
MDEC 2018
S3P2 - 5
MDEC 2018
S3P2 - 6
MDEC 2018
S3P2 - 7
MDEC 2018
S3P2 - 8
COST
AS MINING DEPTHS CONTINUE TO GROW…
…THESE FOUR FACTORS WILL BE THE PRIMARY DRIVERS OF CHANGE.
VENTGCOHS
IF YOU HAVE LARGE ROCKS BUT CANNOT DIG A LARGE HOLE…
…WHY NOT MAKE THE ROCKS SMALLER AND DIG A SMALLER HOLE?
MDEC 2018
S3P2 - 9
REAMED BOREHOLES (12 – 30”) AND IMPACTORs TO DROP BROKEN AND
CRUSHED MATERIALS
JUST IMAGINE USING…
…TO A CONVEYOR DRIFT AT BOTTOM OF MINE.
REAMED BOREHOLES (12 – 30”) AND IMPACTORs TO DROP BROKEN AND
CRUSHED MATERIALS
JUST IMAGINE USING…
…TO A CONVEYOR DRIFT AT BOTTOM OF MINE.
REPRESENTS AN 8-FOLD REDUCTIONIN HAULAGE COSTS.
MDEC 2018
S3P2 - 10
1. DECENTRALIZED CRUSHING ≫CENTRALIZED CRUSHING
2. DRILLING IS CHEAP LET’S TAKE ADVANTAGE OF IT.
PREMISE IS PRETTY SIMPLE…
A LESSON FROM SILICON VALLEY: SHIFT THE PARADIGM
METSO NP1110 IMPACT CRUSHER
MDEC 2018
S3P2 - 11
SANDVIK DU311 TKV ITH DRILL
COST OF TRUCKING
COST OF ‘THE LASTING IMPACT’
DIRECT SAVINGS
INDIRECT SAVINGS
TOTAL SAVINGS
IMAGINE A MINE WITH NO TRUCKS.
ELIMINATE A HEADACHE AND SAVE MONEY DOING IT!
TRIM THE FAT: REDUCE THE NEED FOR TRUCKING
$6.47/t
$0.77/t
$5.70/t
$1.30/t
$7.00/t
INDIRECT SAVINGS INCLUDES SMALLER CAPITAL EXCAVATIONS (I.E. RAMPS), LESS ROCKBREAKERS AMONG OTHER AUX EQUIPMENT BOUGHT TO ACCOMMODATE TRUCKING.
MDEC 2018
S3P2 - 12
90%REDUCTION IN ORE TRANSPORT COSTS VERSUS ELECTRIC TRUCK HAULAGE, OR SAVINGS OF $5.70/t.
30% 25%NEAR-MISSES TMIFR
ELIMINATION OF TRUCKS WILL IMPROVE U/G OHS BIG TIME!
150%INCREASE IN THE MINING RATE OF A STOPE, IMPROVING TONNAGE PER SHIFT FROM 400t TO 1000t PER STOPE.
$120MSAVINGS OVER A 11Y LOM BY SWITCHING TO THE LASTING
IMPACT , OR ~$7.00/t.
MDEC 2018
S3P2 - 13
INCREASE IN NPV = $90M
$120M IN SAVINGS OVER 11Y @ 5% DISCOUNT RATE…
…QUITE A LASTING IMPACT, NO?
NOTE: $120M WAS ANNUITIZED IN ORDER TO ARRIVE AT THE RESULT. RESULTS MAY VARY DEPENDING ON APPROACH USED.
MDEC 2018
S3P2 - 14
IF A PRODUCTION WINZE TO BOTTOM OF DEPOSIT EXISTS… ORE PASSES REMAIN METHODS OF CHOICE
IF NOT… A LASTING IMPACT IS RELATIVELY INEFFECTIVE
WIDE-SCALE IMPLEMENTATION POSES AN ISSUE…
…SO WHAT MODIFICIATIONS WILL IMPROVE CONCEPT ADAPTABILITY?
IF FEED FROM STOPE IS TOO:- HARD (E.G. PYROXENITE-HOSTED)…- ABRASIVE…- STICKY (E.G. PASTEFILL DILUTION)…
HIGHER MAINTENANCE COSTS + LOWER PRODUCTIVITY
WIDE-SCALE IMPLEMENTATION POSES AN ISSUE…
…SO WHAT MODIFICIATIONS WILL IMPROVE CONCEPT ADAPTABILITY?
MDEC 2018
S3P2 - 15
WORKS BEST IN SULFIDE DEPOSITS- BLOW BAR WEAR RATE IS LOWER
HAVE TO DRILL IN SECTIONS, LEVEL-BY-LEVEL- MAINTAIN DEVIATION RATE OF SUB-5%- HAVE TO CONNECT USING PIPING (SCHEDULE 80)
…SO WHAT MODIFICIATIONS WILL IMPROVE CONCEPT ADAPTABILITY?
WIDE-SCALE IMPLEMENTATION POSES AN ISSUE…
THANKS FOR LISTENING!