Rahmat Muallim paper CAFEO 32 Myanmar (rangoon)

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MIDDLE TERM PLANNING OF MINE MATERIAL HANDLING
INTO DETERMINE OPTIMIZATION SCHEDULING
AND SMALL FLEET SCENARIO IN OPEN PIT
(CASE STUDY : BLOK 1A5A1517 PT VALE INDONESIA
BAHODOPI CENTRAL OF SULAWESI)
*Ir.Rahmat Muallim
*) Mine Plan Engineer, Vale Indonesia Mining Company tbk.
*) Intitution of Engineers Indonesia (IEI)
*) Makassar, Indonesia
*) rahmat.muallim@yahoo.com
ABSTRACT: Middle term planning of mine material handling Block 1a5a1517 will use equipment
type of Komatsu which consists of loading truck PC 200 and hauling truck HD 255. The block has
total material handlings (TMH) 9.579.750 Wmt which was divided in to three of block compartments
in mining plan. The plan was to be achieved within 5 years and budget cost $1.052.571,15. The
several steps have been conducted to fulfill the plan was including push back pit shell compartment
method to determine total material handling perlevel, historical data by evaluating of distance and
road width from test mining Myara Block to calculate maximum distance and road width plan based
on equipment on site, equipment productivity data in Block 1a5a1517 which was calculated from
equipment productivity (Wmt/hour – Wmt/day), equipment run (unit), equipment hour (hour),
equipment cost (US$/jam), cycle time of equipment (hour), and equipment on site in every face pit
shell compartment toward dumping point plan by using distance and velocity equipment data of Mine
Modular System (MMS), physical availability (PA) data, and Use of Availabillity (UoA) data. All
equipment productivity plan will be analyzed by using vehicle routing problem (VRP) method and
software vulcan 7.5.Result of the anlysis indicated that would increase 21.85 meters for curve
condition and 19.24 meters for straight condition. Number of equipments on site which would be
implemented in 3 planned scenarios were scenario 01 has three units of PC 200 and five units of HD
255, scenario 02 has three units of PC 200 and four units of HD 255, and scenario 03 has three units
of PC 200 and four units of HD 255. Distance of face to dumping point consists of three scenarios
which were face pit shell compartment 01 – dumping point consists of face – disposal is 4.2 Km, and
face – ROMpile is 3.7 Km, face – LGOpile is 6.2 Km; face pit shell compartment 02 – dumping point
consists of face – disposal is 5.25 Km, face – ROMpile is 4.92 Km, and face – LGOpile is 7.2 Km; and
face pit shell compartment 03 – dumpint point namely face – disposal is 1.9 Km, face – ROMpile is 1.9
Km, and face – LGOpile is 3.7 Km. Total material handling, time, and cost in every scenario were
scenario 01 produced TMH of 464.002 Wmt, time was 4.99 years, and cost was US$ 905.561; scenario
02 produced TMH of 461.160 Wmt, time was 4.98, and cost was US$ 905.908; scenario 03 produced
TMH was 483.554 Wmt, time was 4.97 and cost was US$ 907.205. Therefore, based on the results
scenario 03 will be recommended for middle term planning in Block 1a5a1517.
Keywords : Pit shell compartment, Dumping point, Equipment productivity, Vulcan 7.5, and
Vehicle routing problem (VRP).
1. PREFACE
Planning is qualification procedure to determine
target, activity, and tecnically sequence to
achieve the aims of mine activity. As the
Generally, planning will be defined in three of
phase namey long term planning by time phase
more than 5 years and continuously, middle
term planning by range 1 – 5 years in plan, and
short term planning by range weekly – monthly
in plan (Fuykschot, 2009)
Based on plan estimation time and cost in
Bahodopi are thus Block 1a5a1517 Bahodopi
Central of Sulawesi has target plan namely time
5 years and cost US$ 1.052.571,15 which block

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divided in three of block compartment by
reserved 9.579.750 Wmt. Total material
handling (TMH) in this block has devided in
three of layer namely over burden (OB) will be
dumped in Disposal plan, ore in ROMpile and
low grade ore (LGO) in LGOpile by using type of
Komatsu Equipment namely loading truck PC
200 and hauling truck HD 255 (Waheed, 2005).
In Bahodopi Block, Myara block as Mine test
place which will be researched based to become
historical data by mining condition namely road
width 16 meters, type of equipment is Hino
truckby capacity 20 ton, and distance of material
handling namely face – Disposal is 12.41 Km,
face – 12.95 Km, and face – LGOpile 14.028 Km
which those cases were not fulfill mine distance
rule from PT Vale Indonesia that every distance
plan must under 10 Km for material handling.
Based on Total Material Handling (TMH), type
of equipment and distance material toward
dumping point plan so will be arranged plan
which united among three of component from
mine material handling by focus in middle term
planning constrains namely time 5 years and
cost US$ 1.052.571,15.
Therefore, to develop this plan thus several
resolutions plan will be implemented such as
block model evaluation design, the effect of type
of equipment in design and productivity, and
also control of material handling to dumping
point so that the plan will find the scenario who
will elaborate among those case in one system of
middle term planning scenario of mine material
handling.
2. RESEARCH METHODS
Research methods of Middle term planning of
mine material handling has showed number of
analysis to achieve of target plan from Block
1a5a1517 by using dispatching system method
that mentioned Vehicle routing problem (VRP)
in PT Vale Indonesia has called MMS (mine
modular system) which this system was
elaborating among total material handling pit
shell compartment which consist of three of pit
shell compartment, Productivity of loading truck
PC 200 and hauling truck HD 255 from type of
Komatsu equipment which will be calculated
prod/hour, prod/day, equipment run, equipment
hour, equipment cost and equipment on site and
also will controll distance and velocity of mine
material handling toward to dumping point. All
interaction among model, productivity and cycle
time will be described by sofware Vulcan 7.5 so
that born several scenarios which will be
fulfilled company recomendation target in
middle term planning.
3. ANALYSIS
3.1. Block 1a5a1517 Project Plan Area
Existing plan PT Vale Indonesia has three of
mining operation area namely Soroako area,
Petea area, and Bahodopi area which Block
1a5a1517 project plan area located in Bahodopi
plan with expose area 89 Ha from total area
32.123 Ha and distance from Soroako area
toward Block 1a5a1517 65 Km. This project so
far to determine efective plan to estabilsh mine
plan in this area. The area project plan will be
showed in figure 3.1 and 3.2 namely:
Figure 3.1 General distanced of existing plan PT.Vale
Indonesia (MGX, 2011)
Figure 3.2 Specific distanced Set up Petea to Block 1a5a1517
Based on figure 3.1 and 3.2 above so this
research will be calculated effective estimation
middle term planning of mine material handling
to open this area during 2013 – 2017 by target
plan are time 5 years and cost US$
1.052.571,15.

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3.2.Push Back Pit Shell Compartment Block
1a5a1517 Plan.
Pit shell is a simplify pit design which consist of
both of boundary namley manual pit is the part
of pit design which the located of design at
outside of solid topography and optimization pit
(pit shell) is pit design that underlay with solid
topography so will indicate boundary pit shell of
pit design (Whittle, 2010).
That case will run with number of data namely
topography data and geometrical design data
that suitable with type of equipment who will
exist in mine activity in this block. Block
1a5a1517 will show input – process – output in
to design of pit shell compartment Block
1a5a1517 which will be presented on figure 3.3
and 3.4:
Figure 3.3 Topography Block 1a5a1517
Figure 3.4 Boundary block 1a5a1517 by CoG 1.7 Ni%
Based on figure 3.3 and 3.4 topography and
block model will be elaborated to make pit shell
compartment block 1a5a1517 namely (Degleden,
2001):
Figure 3.5 Pit shell compartment Block 1a5a1517.
Figure 3.3 has explained pit shell compartment
block 1a5a1517 that consist of three block pit
shell by total material handling namely:
Tabel 3.1 summary total material handling block 1a5a1517
Based on table 3.1 above we will look every pit
shell has produced layer material handling
namely Overburden (OB), Ore, and Low Grade
Ore (LGO). Those of materials will determine in
every push back pit shell compartment by level
bench 5 meters, angle slope 45o, and berm 3
meters with using PC 200 (SOP pit design,
2011). The condition of mine escavation will
show in figure 3.6:
Figure 3.6 Loading truck PC 200 in mine face Myara Block
Mining excavation in push back pit shell
compartment Block 1a5a1517 will present
material based on level bench to achieve
ultimate pit limit which each of TMH in level
bench include OB, Ore and LGO. Total material
handling will explain in bellow:
Table 3.2 TMH pit shell compartment 01 level 845 - 800
Material Comp_01 Comp_02 Comp_03
ob_vol 571783 105470 5091389
waste_vol 0.00 0.00 0.00
ore_vol 358879 59851 2642288
lgo1_vol 100556 16455 180678
lgo2_vol 72023 18629 361751
Total Material Movement (TMM)1103241 200405 8276106
SR (OB/(Ore+LGO)) 1.08 1.11 1.60
Summary Total Material Handling Blok 1a5a1517

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Table 3.3 TMH pit shell compartment 02 level 820 – 775
Table 3.4 TMH pit shell compartment 03 level
Based on TMH in pit shell compartment block
1a5a1517 so materials have completed to
remove in another dumping point which will be
designed suitable with material handling plan
from each of pit shell compartment in this area.
3.3.Infrastructure Plan of Mine Material
Handling Block 1a5a1517
Infrastructure plan in mine material handling is
the main idea to describe all condition which
plan will run as measure as the path plan.
According to the priority plan in this research so
infrastructure which will be established were
road width and dumping point plan design.
Then, after the infrastructure plan has succeed
so the correlation map of mine material
handling will be presented to estimate distance
and velocity for getting cycle time of mine
material handling. The number of infrastructure
plan to establish middle term planning of mine
material handling namely:
1. Road Width of Block 1a5a1517
Road width plan in mine material handling is
the important thing to design scenario of
equipment model and material for measuring
how the best mine plan scenario will
implement on one system of mine activity in
open pit mine area.
Block 1a5a1517 in Bahodopi Central of
Sulawesi is the target plan to make one of
effective scenario in middle term planning in
PT Vale Indonesia. The difference condition
among existing plan Bahodopi area in Myra
block than block 1a5a1517 namely equipment
problem set up in both of area. Myra block
used equipment type of Hino than Block
1a5a1517 equipment type of Komatsu so that
in implementing the mine plan design will
evaluate road width based on the specified of
equipment plan. The comparison of road
width dimension of hauling truck Hino and
HD 255 which pass in Bahodopi on mine road
PT Vale Indonesia will indicate in figure 3.5
and 3.6 namely:
Figure 3.7 Existing road width in Bahodopi (FEL, 2012)
Figure 3.8 Dimension of HD 255 (Komatsu, 2010)
Based on both of figure 3.6 and 3.7 thus will
be evaluated road width of mine material
handling Block 1a5a1517 by determining
road width based on the dimension of HD 255
as a truck plan in research area. The
evaluated divided in two side namely
evaluate road width in the curve condition
and straight condition by calculating of the
several value of road width coefficient to
completely the road design such as:
1) Calculating of road width in curve
condition
Number of input road width in curve
condition will be showed in figure 3.9 and
table 3.5:

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Figure 3.9 Road in curve condition (MHS 04, 2010)
Table 3.5 coefficient of Road width in curve condition
Based on table 3.5 the calculation of road
width in curve condition namely:
+ Fa + Fb + z) + C
+ 0.4 + 3.2 + 3.7) + 1.85
= 21.85 meter.
2) Calculating of road width in straight
condition
Number of input to calculate road width in
straight condition will show in figure 3.10
and table 3.6:
Figure 3.10 Road in straight condition (MHS 04, 2010)
Table 3.6 coefficient of Road width in straight condition
Based on table 3.6 the calculation of road
width in straight condition namely:
Wt + (n + 1) (1/2 Wt)
3.7 + (2 + 1) (1.85)
2. Dumping point plan Block 1a5a1517
Layer of push back pit shell compartment
Block 1a5a1517 consist of three kind of
materials namely Over Burden (OB), Ore and
Low Grade Ore (LGO) which OB will be
transported in Disposal plan, Ore will be
transported in ROMpile plan and LGO will be
transported in LGOpile plan. Dumping point
plan will be designed by following of material
volume from each pit shell compartment.
Those case will design by data bellow:
1) Disposal plan
Table 3.7 Geometry Disposal (MHS 10, 2010)
Based on table above so disposal plan will
design by Vulcan 7.5 will show in figure
3.11:
Figure 3.11 Disposal Plan MTP
Target OB 302.876 Wmt in total material
handling at pit shell compartment Block
1a5a1517 which disposal plan has fulfilled
the target of OB namely:
Table 3.7 Summary of Disposal Plan
2) ROMpile plan
Table 3.8 Geometry ROMpile (MHS, 2010)
Based on table above so disposal plan will
design by Vulcan 7.5 will show in figure
3.12:
Coeffiecient Value (m)
U (center to center tires) 2.7
Fa (front overhang) 0.4
Fb (back overhang) 3.2
Wt ( widht HD) 3.7
1/2Wt 1.85
Coeffiecient Value (m)
Wt (road width of truck) 3.7
n (number of gates) 2
1/2Wt 1.85
angle 45/26 derajat
project_level R-5
Height 5 meter
Geometri Design Disposal
Triangulation Volume(Wmt)
s_bdisp_st_01 105000
total 470493
Disposal plan Middle term planning
angle 45 derajat
berm 3 meter
project_level R5(cut)/R-5(fill)
Height 5 meter
Geometri Design of ROMpile

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Figure 3.12 ROMpile plan MTP
Target ROM (Run of Mining)/Ore in total
material handling in middle term
planning Block 1a5a1517 is 176.768 Wmt
which ROMpile plan has fulfilled the
target of Ore capacity by result:
Table 3.9 Summary of ROMpile plan
3) LGOpile plan
Table 3.10 Geometry LGOpile
Based on table above thus LGOpile plan
design will show in figure 3.13:
Figure 3.13 LGOpile plan MTP
Target LGO in middle term planning is
33.543 Wmt Which LGOpile plan has
fullfiled designed and target by capacity
result namely:
Table 3.11 Summary of LGOpile plan
Based on Dumping point plan Middle term
planning of mine material handling block
1a5a1517 thus mine material handling will
conduct for finishing of target plan from block
1a5a1517.
3.Overview situation distance and velocity
target plan in middle term planning of mine
material handling block 1a5a1517
1) Existing distance plan of Myra Block in
Bahodopi area
Figure 3.14 Overview distance of Myra Block
Based on material transport in Bahodopi
material to dumping distance not more
than 10 km but in the Myara case as
existing plan didn’t represent Bahodopi
plan project area so needed evaluation at
athe dumping point distances.
2) Middle term planning (MTP) of Block
1a5a1517 in Bahodopi area
Figure 3.15 Overview distance of dumping point MTP
Based on figure 3.15 so as detail distance in
each pit shell compartment Block 1a5a1517
toward dumping point plan thus will show
in figure bellow namely:
scut_rompile_01 157179.414
sfill_rompile_01 136589.473
Rompile Plan MTP
angle 45 derajat
berm 3 meter
project_level R5(cut)/R-5(fill)
Height 5 meter
Geometri Design of LGOpile
scut_LGOpile 67130
sfill_LGOpile 66100
Total 133230
LGOpile of MTP

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Figure 3.16 Distance pit shell comp. 01 – Dumping
point
Based on figure 3.16, the distance of pit
shell compartment 01 to dumping point
namely Face – Disposal is 4.2 Km, Face –
ROMpile is 3.7 Km and Face – LGOpile is
6.2 Km. Then, Distance Pit shell
compartment 02 will be showed in figure
3.17:
Figure 3.17 Distance pit shell comp.02 – Dumping
point
Based on figure 3.16 above the distance of
pit shell compartment 01 to dumping point
7.2 Km. The last distance will be showed in
figure 3.18:
Figure 3.18 Distance pit shell comp.03 – Dumping
point
Based on figure 3.16 above the distance of
pit shell compartment 01 to dumping point
7.2 Km.
Based on all of figure above thus all of distance
has fulfilled of target distances to continue of
middle term planning and available with
material handling rule in PT Vale Indonesia
under value 10 Km to handle the material.
3.4. EquipmentProductivity of Loading Truck
PC 200 and Hauling Truck HD 255
Equipment productivity explained number of
equipment calculation to achieve the material
handling to dumping point. There are two
equipment have used in mine material handling
Block 1a5a1517 namely loading truck PC 200
and hauling truck HD 255 by Komatsu type. The
several data will be founded in equipment
calculation namely:
1. Productivity data of loading truck PC 200 and
hauling truck HD 255
Table 3.12 Productivity data in Bahodopi area
2. Shift code 10H16 of Bahodopi equipment data
which have operational working hour (OWH)
is 7.72 hour and effective working hour
(EWH) is 6.95 hour.
3. Material duration in each level bench
material by assump one year = 365 days =
8765 hours.
4. Estimation of loading cost PC 200 is US$
26.94 and hauling cost HD 255 is US$ 19.29
in Bahodopi area.
5. Distance and velocity data mine material
handling from pit shell compartment Block
1a5a1517 to dumping point plan by using
MMS (Mine Modular System) so that will
create cycle time of equipment in material
handling scenarios of middle term planning.
Cycle time material will explain based on
equation bellow (Komatsu Handbook, 2010):
…………………….. (2.1)
Remarks:
CT : Cycle time (hour)
Equipment Unit PC 200 TRUCK HD 255 PC 200 TRUCK HD 255
ROM density t/m3 1.74 1.74 1.62 1.62
Swell Factor 20.00% 20.00% 20.00% 20.00%
ROM loose density t/m3 1.45 1.45 1.35 1.35
Spotting Time (haul truck) Minutes 0.40 0.40
Waiting truck (load equipment)-LEFT, Deadload capacity-RIGHT 1.00 0.98 1.00 0.98
Dumping Time Minutes 0.50 0.50
Equipment specification m3 1.00 13.02 1.00 13.02
ROM fill factor 90.00% 97% 90.00% 97%
ROM Cycle Per Pass Minutes 0.60 0.60
ROM number of pass 15.00 15.00 15.00 15.00
ROM loading time 9.00 9.00
ROM loaded on truck WMT 19.58 18.23
ROM loading equipment productivity 117.45 109.35
level material by bench 81.00 13.50 81.00 13.50
Striping OB ROM/LGOMINING

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CP : Cycle per pass (minutes)
NP : Number of pass
D1 : Distance in forward (Km)
V1 : Velocity in forward (Km/hour)
t1 : Dumping time (minutes)
D2 : Distance in return (Km)
V1 : Velocity in return (Km/hour)
t2 : Spotting time (minutes)
Based on the cycle time equation above thus
will calculate cycle time at three of pit shell
compartment in Block 1a5a1517 namely:
Table 3.13 Cycle time pit shell comp. 01
Based on the several data above thus the
calculating of productivity PC 200 and HD
255 will be presented in equation bellow:
1. Prod/hour
1) PC 200
...............(2.2)
2) HD 255
…………....(2.3)
2. Prod/day
3. Equipment run
4. Equipment on site (EoS)
EoS = Round up (TMH pit shell x PA x UoA;0)…(2.6)
5. Equipment hour (EH)
EH = ER x OWH x Work duration per level ……. (2.7)
6. Equipment cost (EC)
…………. (2.8)
Based on productivity equation thus will
presented the calculation form of productivity
from PC 200 and HD 255 and TMH pit shell
bench level 5 meters in this research namely:
Table 3.16 Productivity PC 200 and HD 255
Figure 3.19 TMH pit shell per bench
3.5. Dispatching System Scenario of Middle
Term Planning Block 1a5a1517
Dispatching system scenario is the interaction
model which elaborate reserved model material,
infrastructure of mine material handling,
equipment on site in this case PC 200 and HD
255 and also distance dumping point for
removing material to each dumping point. The
theoretical model will be showed in figure 3.20
(Bissiri et al, 2011):
Figure 3.20 block - loading truck - hauling truck – target
(Bissiri et all)
Based on figure 3.20 this research has used Ant
colony theory to describe activity cycle time of
material in block 1a5a1517. Therefore, the
calculation of dispatching system scenario will
be presented by Vehicle Routing Problem (VRP)
that emphasize two cases namely Vehicle
Capacity Routing Problem (VCRP) which totally
explain about productivity PC 200 and HD 255
and Vehicle Routing by Time Windows (VRTW)
which explain about cycle time of equipment in
mining area in pit shell compartment Block
t1 t2
forward return WT + DT ST
Face - disposal 4.2 22.1 22.1 0.99 0.01 2.90
Face - Rompile 3.7 20.4 20.4 0.99 0.01 2.81
Face - LGOpile 6.2 27.8 27.8 0.99 0.01 3.23
total CT 8.93
Lokasi distance (km)
average speed (km/h)
CT HD-255 (hour)
t1 t2
Face - disposal 5.25 25.05 25.05 0.99 0.01 3.09
Face - Rompile 4.92 22.29 22.29 0.99 0.01 3.20
Face - LGOpile 7.2 25.29 25.29 0.99 0.01 3.84
total CT 10.14
CT HD-255 (hour)Lokasi distance (km)
t1 t2
Face - disposal 1.90 11.40 11.40 0.99 0.01 2.66
Face - Rompile 1.40 8.40 8.40 0.99 0.01 2.66
Face - LGOpile 3.70 20.43 20.43 0.99 0.01 2.81
total CT 8.13
Lokasi distance (km)
CT HD-255 (hour)
aktivitas loading PC 200 L-820
Prod/jam(Wmt) 81.00
Prod/day(Wmt) 562.79
Eq. Run 0.00
Eq. Hours loading(hour/Wmt) 14.53
Eq.cost loading (hour/$) 391.41
aktivitas hauling HD 255 L-820
Prod/jam(Wmt) 13.50
Prod/day(Wmt) 93.80
Eq. Run 0.02
Eq. Hours hauling(hour/Wmt) 97.30
Eq.cost hauling (hour/$) 1876.46

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1a5a1517 (Subtill et al., 2011). VRP in scenario
of middle term planning PT Vale Indonesia will
use MMS (Mine Modular System) in figure 3.20:
Figure 3.20 MMS dispatching system (Haymes, 2004)
Based on the figure 3.20 about VRP thus will
determined cost and time which searched from
interaction of model, equipment productivity
and cycle time of mine material handling in
Block 1a5a1517 by equation form namely (SOP
equipment calculation in PT Vale Indonesia,
2012):
1. Time in level mine material handling Block
1a5a1517
…... (2.9)
2. Cost in level mine material handling Block
1a5a1517
(2.10)
Based on those theoretical about dispatching
system thus scenario middle term planning of
mine material handling Block 1a5a1517 will
plan in the three of scenario which will varied
based on pit shell compartment which time 5
years and cost US$ 1.052.571,15 so that this
scenario will present:
1. Scenario 01 Block 1a5a1517
Scenario 01 consist of pit shell compartment
01 level 845-800, pit shell compartment 02
level 820 – 810, and pit shell compartment 03
level 995 – 985 which Pit shell compartment
01 is the firstly step to start this scenario.
There are several steps to analysis those of
scenario namely:
1) Total material handling (TMH) scenario
01
There are three of mine face based on pit
shell compartment in scenario 01 namely:
Table 3.17 TMH pit shell comp. 01 L-845 – L-800
Table 3.18 TMH pit shell comp. 02 L-820-L-810
Table 3.19 TMH pit shell comp.03 L-995 – L-985
Based on tables above thus TMH scenario
01 will be showed in table 3.20:
Table 3.20 Summary TMH scenario 01
2) Equipment productivity loading truck PC
200 and hauling truck HD 255
Equipment productivity PC 200 and HD
255 in push back pit shell compartment
scenario 01 will be showed in tables
bellow:
Table 3.21 Equipment productivity of L-845-L-800
Region TMH
spit_1a5a1517_comp_01_845.00t 30
spit_1a5a1517_comp_01_840.00t 4072
spit_1a5a1517_comp_01_835.00t 45436
spit_1a5a1517_comp_01_830.00t 64860
spit_1a5a1517_comp_01_825.00t 67648
spit_1a5a1517_comp_01_820.00t 59759
spit_1a5a1517_comp_01_815.00t 41514
spit_1a5a1517_comp_01_810.00t 36797
spit_1a5a1517_comp_01_805.00t 40694
spit_1a5a1517_comp_01_800.00t 46450
Total 407260
TMH Pit shell compartment 01 level 845 - 800
Region TMH
spit_1a5a1517_comp_02_820.00t 1059
spit_1a5a1517_comp_02_815.00t 6984
spit_1a5a1517_comp_02_810.00t 24869
Total 32912
Region TMH
spit_1a5a1517_comp_03_995.00t 272
spit_1a5a1517_comp_03_990.00t 1826
spit_1a5a1517_comp_03_985.00t 21732
Total 23830
Material TMH(Wmt) TMH (day)
Pit shell compartment 01 L-845-L-800 (face 01) 407260 1118.85
Total 464002 1274.73
Summary TMH In Each Mine Face
aktivitas loading PC 200 L-845 L-800 Tot.loading
Prod/jam(Wmt) 81.00 81.00
Prod/day(Wmt) 562.79 562.79
Eq. Run 0.00 0.03
Eq. Hours loading(hour/Wmt) 0.41 637.17 4843.49
Eq.cost loading (hour/$) 11.09 17168.08 184391.69
aktivitas hauling HD 255 L-845 L-800 Tot.hauling
Prod/day(Wmt) 93.80 93.80
Eq. Run 0.00 0.17
Eq. Hours hauling(hour/Wmt) 11.40 3831.98 33608.64
Eq.cost hauling (hour/$) 219.85 73904.32 648183.65
38452.13
832575.34
Total waktu loading dan hauling (hour)
Total cost loading dan hauling ($)

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Based on equipment productivity in every
push back pit shell compartment of
scenario 01 thus will be calculated the
number of equipment on site PC 200 and
HD 255 in this scenario which will be
showed in table 3.24:
Table 3.24 Number of equipment on site scenario 01
Based on table 3.2 has been founded the
number of equipment PC 200 and HD 255
namely 3 units for PC 200 and 5 units for
HD 255 in scenario 01.
3) Scenario design of middle term planning
Scenario design in scenario 01 will be
designed by Vulcan 7.5 by resulting of
MTP map scenario 01 will be showed in
figure 3.21 namely:
Figure 3.21 MTP map of scenario 01
4) Middle term planning result of scenario 01
Middle term planning (MTP) of mine
material handling scenario 01 is
integrating of TMH, equipment
productivity and distance among material
to dumping point so that will be showed
the result of MTP in scenario 01 namely:
Table 3.25 Summary scenario 01 MTP
02 level 820 – 775, pit shell compartment 01
845 – 825 and pit shell compartment 03 level
995 – 980 which pit shell compartment 02 is
the firstly step to start this scenario. Similar
with scenario 01 thus scenario 02 also has
several steps to analysis its scenario namely:
01
Table 3.26 TMH pit shell comp.02 L-820-L-775
Table 3.27 TMH pit shell comp. 01 L-845-L-825
aktivitas loading PC 200 L-820 L-810 Total loading
Prod/day(Wmt) 562.79 562.79
Eq. Run 0.00 0.08
aktivitas hauling HD 255 L-820 L-810 Total hauling
Eq. Run 0.02 0.48
3190.68
64993.43
Total waktu loading dan hauling
Total cost loading dan hauling
Prod/day(Wmt) 562.79 562.79
Eq. Run 0.00 0.00
Eq.cost loading (hour/$) 100.53 8032.22 8,807.65
Prod/jam(ton) 13.50 13.50
Prod/day(ton) 93.80 93.80
Eq. Run 0.00 0.01
Eq. Hours hauling(hour) 30.52 1796.77 1,857.80
Eq.cost hauling (hour/$) 588.54 34652.93 35,830.01
Total waktu loading dan hauling 2,184.69
Total cost loading dan hauling 10,992.34
Prod/jam(Wmt) 81.00 Prod/jam(Wmt) 81.00 Prod/jam(Wmt) 81.00
Prod/day(Wmt) 562.79 Prod/day(Wmt) 562.79 Prod/day(Wmt) 562.79
Eq. Run 0.57 Eq. Run 0.05 Eq. Run 0.03
Eq on site (alat yang ada) 1 Eq on site (alat yang ada) 1 Eq on site (alat yang ada)1
Eq on site (alat yang ada) 3 Eq on site (alat yang ada) 1 Eq on site (alat yang ada)1
aktivitas hauling HD 255 aktivitas hauling HD 255 aktivitas hauling HD 255
aktivitas loading PC 200 aktivitas loading PC 200 aktivitas loading PC 200
Pit shell compartment 01 Pit shell compartment 02 Pit shell compartment 03
Target MTP Face 01 face 02 face 03 Tot. scenario total scenario (year)
time (hour) 38452.13 3190.68 2184.69 43827.50 5.00
cost (US$) 832575.34 64993.43 10992.34 908561.11
Region TMH
spit_1a5a1517_comp_02_820.00t 1059
spit_1a5a1517_comp_02_815.00t 6984
spit_1a5a1517_comp_02_810.00t 24869
spit_1a5a1517_comp_02_805.00t 32695
spit_1a5a1517_comp_02_800.00t 33592
spit_1a5a1517_comp_02_795.00t 33897
spit_1a5a1517_comp_02_790.00t 28707
spit_1a5a1517_comp_02_785.00t 28681
spit_1a5a1517_comp_02_780.00t 9858
spit_1a5a1517_comp_02_775.00t 63
Total Material in level 200405
TMH pit shell compartment 02 level 820 - 775

11
Based on tables 3.28, TMH scenario 01
will be showed in table 3.29:
Table 3.29 Table TMH of scenario 02
bellow:
Table 3.31 Equipment productivity of L-845 – L-825
figure 3.22 namely:
Table 3.34 Summary scenario 02 of MTP
Region TMH
spit_1a5a1517_comp_01_845.00t 30
spit_1a5a1517_comp_01_840.00t 4072
spit_1a5a1517_comp_01_835.00t 45436
spit_1a5a1517_comp_01_830.00t 64860
spit_1a5a1517_comp_01_825.00t 67648
TMM Pit shell compartment 01 level 845 - 825
Region TMH
spit_1a5a1517_comp_03_995.00t 272
spit_1a5a1517_comp_03_990.00t 1826
spit_1a5a1517_comp_03_985.00t 21732
spit_1a5a1517_comp_03_980.00t 54879
Pit shell compartment 02 L-820--L-775 (face 01) 200405.00 549.05
Pit shell compartment 01 L-845-L-820 (face 02) 182046.00 498.76
Pit shell compartment 03 L-995-L-980 (face 03) 78709.00 215.64
Total 461160 1263.45
TMH In Each Mine Face
Prod/day(Wmt) 562.79 562.79
Eq. Run 0.00 0.02
Eq. Run 0.02 0.14
Total waktu loading dan hauling (hour) 18,544.63
Total cost loading dan hauling ($) 394,136.56
Prod/day(Wmt) 562.79 562.79
Eq. Run 0.00 0.04
Eq. Hours loading(hour/Wmt) 0.41 927.96 2,497.20
Eq.cost loading (hour/$) 11.09 25002.93 67,284.82
Eq. Run 0.00 0.25
Eq. Hours hauling(hour/Wmt) 11.40 5576.67 15,027.86
Eq.cost hauling (hour/$) 219.85 107,552.82 289,830.61
Total waktu loading dan hauling (hour) 17,525.06
Total cost loading dan hauling ($) 357,115.43
Prod/day(Wmt) 562.79 562.79
Eq. Run 0.00 0.00
Eq. Run 0.00 0.03
7,590.31
154,656.45Total cost loading dan hauling ($)
Eq on site (alat yang ada) 1 Eq on site (alat yang ada) 1 Eq on site (alat yang ada) 1

12
03 level 995 – 970, pit shell compartment 01
level 845 – 830 and pit shell compartment 02
level 820 – 800 which pit shell compartment
03 is the firstly step to start this scenario.
Similar with scenario 01 and 02 thus scenario
03 also has several steps to analysis its
scenario namely:
01
Based on tables above thus TMH scenario
01 will be showed in table 3.38:
Table 3.38 Summary TMH of Scenario 03
bellow:
time (hour) 18544.63 17525.06 7590.31 43660.00
cost ($) 394136.56 357115.43 154656.45 905908.44
4.98
Region TMH
spit_1a5a1517_comp_03_995.00t 272
spit_1a5a1517_comp_03_990.00t 1826
spit_1a5a1517_comp_03_985.00t 21732
spit_1a5a1517_comp_03_980.00t 54879
spit_1a5a1517_comp_03_975.00t 88588
spit_1a5a1517_comp_03_970.00t 102650
Region TMH
spit_1a5a1517_comp_01_845.00t 30
spit_1a5a1517_comp_01_840.00t 4072
spit_1a5a1517_comp_01_835.00t 45436
spit_1a5a1517_comp_01_830.00t 64860
Region TMH
spit_1a5a1517_comp_02_820.00t 1059
spit_1a5a1517_comp_02_815.00t 6984
spit_1a5a1517_comp_02_810.00t 24869
spit_1a5a1517_comp_02_805.00t 32695
spit_1a5a1517_comp_02_800.00t 33592
TMH pit shell compartment 02 level 820 - 800
Pit shell comprtment 03 Level 995 -970 (face 01) 269947.00 739.58
Pit shell compartment 01 Level 845 - 830 (face 02) 114398.00 313.42
Pit shell compartment 02 Level 820 - 800 (face 03) 99199.00 271.78
Total 483544 1324.78
Summary TMH In Each Mine Face
Prod/day(Wmt) 562.788 562.788
Eq. Run 0.00 0.008022126
Eq. Hours loading(hour/Wmt) 3.73 1,408.09 3,702.98
Eq.cost loading (hour/$) 100.53 37,939.79 97,773.33
Prod/day(Wmt) 93.798 93.798
Eq. Run 0.0001275 0.048132754
Eq. Hours hauling(hour/Wmt) 30.52 8,496.56 19,306.51
Eq.cost hauling (hour/$) 588.54 163,866.52 400208.21
23,009.48
497,981.54
Prod/day(Wmt) 562.788 562.788
Eq. Run 0.00 0.040408834
Prod/day(Wmt) 93.798 93.798
Eq. Run 0.000112 0.242453004
Eq.cost hauling (hour/$) 219.85 103,127.31 172265.79
11,020.44
214,119.93
Prod/day(Wmt) 562.788 562.788
Eq. Run 0.0034178 0.108413624
Prod/day(Wmt) 93.798 93.798
Eq. Run 0.0205067 0.650481747
Eq.cost hauling (hour/$) 1,876.46 53,517.50 158,440.20
9,575.96
195,104.48

13
figure 3.23 namely:
Table 3.43 Summary scenario 03 0f MTP
Based on all of scenario Middle term planning of
mine material handling has fulfilled target cost
and time Bahodopi area namely cost US$
1.052.571,15 and Time 5 years.
4. Strength and weakness of all scenario as
recommendation plan on Block 1a5a1517 in
opening mine area at Bahodopi Central of
Sulawesi at 2013 – 2017.
The purpose of this research in to explain
strength and weakness all of scenario from
Block 1a5a1517 is informing to the company
to choose the best compartment from
economy and technology decision so that
opening area in Bahodopi at 2013 – 2017 will
be achieved and increased of company target
in the future. The several strength and
weakness from number of scenarios namely:
1) Scenario 01
(1)Strength
The strength of scenario 01 based on
MTP of mine material handling in this
block namely:
a) The starting plan of Mine face has
located in the center of block so that
easy to access pit shell 02 and 03
b) Equipment access easier caused
equipment on site more flexible to
continue its schedule.
c) Time and cost has fulfilled middle
term planning (MTP) target
(2)Weakness
The weakness of scenario 01 based on
block namely:
a) Imperfectly of TMH will be removed
in scenario 01 there are level not all
ready clean up on this scenario
b) The number of equipment so many
than scenario 02 and scenario 03
c) Needed of new dumping point to
cover all of TMH in Block 1a5a1517
2) Scenario 02
(1)Strength
block namely:
a) Scenario 02 has mine out and mine
face will continue to pit shell
compartment 02 and 03
b) Mine out from pit shell compartment
02 will able to become a in pit
disposal as mine sustainable plan in
this block
c) Its road plane in this scenario has
sustained to access all of TMH in
every pit shell without road cutting.
(2)Weakness
The weakness of scenario 01 based on
on MTP of mine material handling in
this block namely:
a) The Distance of Pit shell
compartment 02 so far to start of
mine activity than pit shell
compartment 01 and 03
b) TMH is so small to start of mine
activity
3) Scenario 03
(1)Strength
block namely:
a) The distance of pit shell
compartment 03 of more closer than
pit shell compartment 01 and 02 to
start of mine activity
b) Equipment on site in this scenario
not more than another activities
c) TMH from pit shell compartment 03
is to many than pit shell
time (hour) 23009.48 11020.44 9575.96 43605.88
cost ($) 497,981.54 214119.93 195104.48 907205.95
4.98

14
compartment 01 and 02 in to start of
mine activity
(2)Weakness
The weakness of of scenario 03 based on
block namely:
a) The biggest exposed area in to start
this scenario will cut of the access
road to finish this plan
b) There is a separate material from pit
shell compartment 03 so needed new
access road to take this material.
4. CONCLUSIONS
Based on the interaction among Total
material handling (TMH) pit shell
compartment Block 1a5a1517,
infrastructure design and distance face to
dumping point by used dispatching system
of vibrating routing problem thus has been
achieved the company target of PT Vale
Indonesia namely time 5 years and cost US$
1.052.571,15. The several conclusions from
this block namely:
1. Road width from this block consist of in
two conditions namely in curve condition
is 21.85 meters and in straight condition
is 19.24 meters.
2. Number of distance from middle term
planning of mine material handling
Block 1a5a1517 namely pit shell
compartment 01 consist of distances face
– Disposal is 4.2 Km, face – ROMpile is
3.7 Km and Face – LGOpile is 6.2 Km;
pit shell compartment 02 consist of
distances face – Disposal is 5.25 Km,
face – ROMpile is 4.92 Km and face –
LGOpile is 7.2 Km; and pit shell
compartment 03 consist of distances face
– Disposal is 1.9 Km, face – ROMpile is
1.4 Km and face – LGOpile is 3.7 Km.
3. The number of loading truck PC 200 and
hauling truck HD 255 to fulfilled middle
term planning scenario of Block
1a5a1517 namely scenario 01 consist of
3 units of PC 200 and 5 units of HD 255,
scenario 02 consist of 3 units of PC 200
and 4 units of HD 255 and scenario 03
consist of 3 units of PC 200 and 4 units
of HD 255.
4. Total material handling (TMH), time
and cost in each scenarios namely
scenario 01 have TMH is 464.002 Wmt,
Time 4.99 years, and cost is US$
908.561,11; scenario 02 have TMH is
461.160 Wmt, time is 4.98 years and cost
is US$ 905.908,44; scenario 03 have
TMH is 483.554 Wmt, time is 4.97 years
and cost is US$ 907.205,95 so that
scenario recommended for Block
1a5a1517 namely scenario 03.
ACKNOWLEDGEMENT
The author would like to express gratitude
towards Contract of Work (CoW) Project Mine
Development in Mine Plan Division PT Vale
Indonesia for the opportunity to conduct this
research
REFERENCES
.
(1) Bissiri., Scot., and Alan. 2011. Swarm-Based Truck-
Shovel Dispatching System in Open Pit Mine
Operations. Department of Mining and Mineral Process
Engineering University of British Columbia.
Vancauver, B., C: Canada..
(2) Dagleden. 2001. Open Pit Optimization Starategic For
Improving Economic of Mining Project through Mine
Planing. 17th International Mining Congress and
Exhibition:Turkey.
(3) Drew. 2012. Stochastic Dynamic Optimization of Cut-off
Grade in Open Pit Mines. Queen’s University: Canada
(4) Fuykschot. 2009. Strategic Mine Planning ; Flexible
Planning to Meet Changes in the Business
Environment. SRK Consulting: MINEX Conference..
(5) Khustrulid, W and Kuchta, M. 2004. Open Pit Mine
Planning & Design. London: Balkema Publishers
(6) Milan, B. 2009. Bulk Material Transportation System
In Open Pit Mines With Improve Energy Eficiency.
University In Belgrade journal : Serbia.
(7) MGX, 2011. Mine geology training PT Vale Indonesia.
Soroako (Unpublished report)
(8) Mayor Hazard Standart (MHS) 4 dan 10 PT Vale
Indonesia. 2000.Slope Stability.Soroako (Unpublished
report)
(9) PT. Vale Indonesia. 2012. Feasibility Study 3 – Cepat .
Mine Plan Section. Soroako. (Unpublished report)
(10) Stermole, F. 2001. Economic and Evaluation Decision
Methods. Investment Evaluations Cooperation 3070 :
South Newcombe Way, Colorado
(11) Subtill., Silva., and Alves. 2011. A Practical Approach
To Truck Dispatch For Open Pit Mines. 35th APCOM
Symposium. Wollongsong: Rusia.
(12) Standar Operasional Prosedur (SOP) Pit Design dan
CoG sensitivity PT Vale Indonesia. 2011. Soroako.(
Unpublished report).
(13) Waheed.2005. Mine Geology at PT INCO. PT Vale
Indonesia : Soroako.
(14) Whittle. 2010. Simultaneous Mining and Mineral
Processing Enterprise Optimization For The Platinum
Industry. The 4th International Platinum Conference :
Southern of Africa.

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