Konsep Scheduling
April 28, 2017 | Author: Febriansyah Nurdin | Category: N/A
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Description
Mine Plan and Mine Schedule Flow Chart
MINE PLAN ADARO - ENGINEERING WORKSHOP 2002
MINESCAPE (OPTIONAL) -Model : grid & table file -Topo : grid file -Schema, Sheet, grid spec
GEOLOGICAL MODEL •Roof & Floor Structure Contour •Topographical Data •Slope Stability Data (HW, LW, etc) •Borehole •Relative Density (averages, default) •Coal Quality (optional)
MINE PLAN •Longterm & Shortterm Planned •Boundary, Coal, Waste Target, SR •Geo-technical Data (Slope stability) •Spoil Dump (Volume, Top Soil Balance) •Infrastructures : Ramp, S.Pond, Pump, etc. •Material : RD, Swelling Factor
RESERVES •Waste (per Bench) -High wall Area -Low wall Area -Pit Area (IB, OB, UB)
Monitoring/ Updating
Monitoring/ Updating
Coal Insitu (per Bench, per Seam) Coal Recovery (per Bench, per Seam) Stripping Ratio Top Soil Removal
Monitoring/ Updating
EQUIPMENT PRODUCTIVITY
MINE SCHEDULE •Yearly, Monthly, Weekly -Stripping Volume & Area -Mining Volume & Area -Waste Dump Volume Area -Top Soil Volume & Area -ROM Pit Stockpile -Infrastructure -Hauling Distance to ROM/ Spoil Dump
•Sequence •Pit /Location •Shell Name •Bench, Strip, Level •Stripping Volume •Mining Volume •Stripping Ratio •Equip Required
•Material (Coal, Waste, Tsoil -Density, Swell factor, etc.
MINE STAR EXPAC Spreadsheet
Monitoring/ Updating
•Route •Roaster -Rainfall & Slippery -Effective W. Hours
•Equipment Specification •Equipment Allocation Waste, Coal, Tsoil Removal Pit Service, etc.
-Capacity -Availability -Dimension -Reimpull, etc.
Monitoring/ Updating
PT PAMAPERSADA NUSANTARA
PAMA
Halaman 1 dari 9
MINE PLAN ADARO - ENGINEERING WORKSHOP 2002
Conceptual of Mine Sequence (X-Section)
Tingkatan warna menggambarkan Plan Sequence Bulanan Tahapan penambangan (sequence) dimulai dari no. 1, 2, 3, dst dengan metoda bench level per 12 m Setiap no sequence mempunyai nama shell, dengan pola penamaan sebagai berikut PN1HW036B120S09 Dimensi Shell 100 x 200 x 12 m, tergantung kemampuan unit (digging, grade, loading area PT PAMAPERSADA NUSANTARA
PAMA
Halaman 2 dari 9
MINE PLAN ADARO - ENGINEERING WORKSHOP 2002
Overall grade 8%
Conceptual of Mine Sequence (Long Section)
Sump Area Progress
Arah sequence dimulai dari sidewall menuju ke endwall, kemudian secara bertahap sisi endwall akan didalamkan lebih dulu agar seluruh darinase dapat diarahkan ke posisi sump. Konsep pemotongan dan pola sequence dilakukan dengan mempertimbangkan ramp design overall grade 8%, pada setiap jarak 200 m baru dilakukan penekanan level sedalam 12 m.
PT PAMAPERSADA NUSANTARA
PAMA
Halaman 3 dari 9
Monthly Schedule (exmp)
MINE PLAN ADARO - ENGINEERING WORKSHOP 2002
MONTH PIT
PN1
PN2
PN3
January SEQ
SHELL NAME
2008 LWB084S09 2009 LWB084S10 2010 LWB084S11 2011 LWB084S12 2015 LWB072S09 2016 LWB072S10 2021 HW036B060S11 2026 HW036B048S09 2027 HW036B048S10 2028 HW036B048S11 PN1 Total 2012 HW036B084S17 2017 HW036B072S15 2018 HW036B072S16 2022 HW036B060S14 2023 HW036B060S15 2029 HW036B048S13 2030 HW036B036S13 PN2 Total 2013 HW036B084S05 2014 HW036B084S06 2019 HW036B072S07 2020 HW036B072S08 2024 HW036B060S08 2025 HW036B060S09 PN3 Total
OB STRIP 104,660 101,670 161,550 25,310 113,490 143,320 59,530 116,040 101,100 20,560 947,230 46,440 151,310 69,360 237,210 232,610 205,020 121,290 1,063,240 135,070 90,780 100,950 110,060 29,890 91,360 558,110
COAL
SRATIO
LOCATION
OB STRIP
PN1 Total PN2 Total PN3 Total TOTAL
210,590 202,760 34,910 448,260 45,780
0.55 0.50 0.59 2.11 1.01
1,560 115,990 24,380 237,020 239,940 664,670 11,960 21,690 124,220 146,370 171,560 208,110 683,910
44.46 2.05 9.54 0.86 0.51 1.60 11.29 4.19 0.81 0.75 0.17 0.44 0.82
COAL
947,230 1,063,240 558,110 2,568,580
SRATIO
448,260 664,670 683,910 1,796,840
2.11 1.60 0.82 1.43
February 2002 Month : Available Days 27.0 Days Effective Days 18.0 Days Effective Working Hrs 378 Hours
PT. PAMAPERSADA NUSANTARA TUTUPAN MINE (PT ADARO INDONESIA)
Location
Sequence
Shell - Bench - Strip
From 2031 2046 2055
From To 2036 HW084B156S08 2046 LWB072S11 2056 HW036B036S09
2001 2037 2044 2048 2051
2007 2041 2045 2049 2054
To HW084B132S08 LWB072S11 HW036B036S10
PN1
Sub Total Volume Schedule
PN2
HW036B120S20 HW036B108S20 HW036B072S17 HW036B060S16 HW036B048S14
HW036B096S18 HW036B084S19 HW036B072S18 HW036B060S17 HW036B036S15
Sub Total Volume Schedule 2042 2043 LWB084S04 2047 2047 HW036B072S06 2050 2050 HW036B060S07
HW036B084S04 HW036B072S06 HW036B060S07
PN3
Sub Total Volume Schedule
OB Strip (Bcm) 267,860 134,390 66,800 469,050 355,400 323,840 302,610 375,510 573,420 1,930,780 35,340 84,390 5,680 125,410
Volume Coal Exp. (Tonnes) 20,440 415,120 435,560 171,480 194,350 115,000 118,190 959,080 1,558,100 4,820 168,170 126,360 299,350
2,525,240
2,293,010
Strip Ratio 13.10 0.16 1.08 2.07 1.67 2.63 3.18 0.60 1.24 7.33 0.50 0.04 0.42
General
Input Data
Location
PN1
PN2
Equipment Setting for OB Strip Eff. WH (Hrs) PC 4000 85% 0.20 1350 28,934 77 OK 05 80% 0.28 850 17,146 102 EX 805 85% 0.80 900 19,290 310 Sub Total Volume Setting Unit Loader Type
Coal Expose (Tonnes)
435,560
1,558,100
Coal Mined (Tonnes) Coal Inventory Est. (Tonnes) Closing Inventory By By Unit Opening Schedule Setting Inventory Schedule Unit Set
271,500
700,000
320,709
826,875
99,054
345,217
263,114
1,203,317
213,905
1,076,442
1.10
PA
Req' Prod'ty Avg.Bcm /Days
PC 3000 85% 1.00 900 PC 4000 85% 0.80 1350 EX 805 85% 0.20 900 OK 05 80% 0.72 850 OK 08 80% 1.00 850 OK 13 80% 1.00 950 R 905 80% 0.40 500 OK 09 80% 0.49 850 Sub Total Volume Setting Unit OK 09
19,290 28,934 19,290 17,146 17,146 19,164 10,086 17,146
386 308 77 261 363 363 145 177
0.41 850 17,146 Sub Total Volume Setting Unit
148
85%
4.23
300
6,300
125,410 1599
TOTAL VOLUME SETTING UNIT
3,005,036
2 1 Target Coal Mined (Tonnes) Prod'ty Avg. Ton / Eff. Eff. WH Req' (Updat Days (Hours) 70% 1.00 720 10,584 318 85% 0.88 250 3,927 339 80% 0.04 480 337 15 Sub Total Volume Setting Unit
Setting of Type EX 803 PC 750 R 906
EX 804 PC 1100 R 903 R 904
PA
85% 85% 80% 80%
1.00 1.00 0.98 0.60
950 480 480 480
16,958 8,568 7,903 4,853 -
PT PAMAPERSADA NUSANTARA
PAMA
469,050
1,930,780
80%
PC 1000 TOTAL VOLUME SCHEDULE
OB Stripping Coal Exposed Coal Mined Coal Hauling
Halaman 4 dari 9
386 386 356 218
320,709
Monthly Map Document
MINE PLAN ADARO - ENGINEERING WORKSHOP 2002
ST-20
ST-19 ST-17
ST-16
ST-21
ST-22
ST-23
ST-24
ST-25 ST-26
RL 132
ST-18
ST-27 ST-28 ST-30 ST-29
RL 144
RL 24
RL 36
RL 24
RL 12
RL 144
ST 21
ST-12
ST 20
ST-13 ST-14
ST 15
ST 14 ST 13
ST 19 ST 18 ST 17 ST 16
ST 22
ST 24
ST 23
ST 25 ST 26 ST 27 ST 28 ST 29 ST 30
ST-15
ST 12
ST 11
ST 10
ST 09
ST-00 ST 08
ST-01 ST-02
ST 07
ST-07
ST-11
ST-10
ST-09
ST-08
ST 06
ST-06
ST 05
ST-03 ST 04
ST 03 ST 02 ST 01
ST-04
ST-05
PT PAMAPERSADA NUSANTARA
PAMA
Halaman 5 dari 9
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