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Laporan Kuartalan Aktivitas Eksplorasi Quarterly Report of the Exploration Activities PT TBS Energi Utama Tbk Kuartal-III/ the 3rd Quarter of 2025
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KATA PENGANTAR INTRODUCTION
PT TBS Energi Utama Tbk PT TBS Energi Utama Tbk ("the
(“Perseroan”) adalah perusahaan Company") is a coal mining company
pertambangan batubara yang melakukan conducting mining activities in
kegiatan penambangan di daerah Sangasanga area, Kutai Kartanegara
Sangasanga, Kabupaten Kutai Regency, East Kalimantan, which the
Kartanegara, Provinsi Kalimantan Timur, concession area of the three
dimana area konsesi ketiga anak subsidiaries is located side by side. All
perusahaan terletak berdampingan. the supporting infrastructure of mining
Seluruh infrastruktur pendukung operations such as coal hauling roads,
operasional penambangan seperti jalan offices, workshop, coal-only jetty and
angkut batubara, perkantoran, other infrastructures are located in Kutai
perbengkelan, pelabuhan khusus Kartanegara Regency, East Kalimantan.
batubara dan infrastruktur lainnya berada
di daerah Kabupaten Kutai Kartanegara,
Provinsi Kalimantan Timur.
Perseroan mempunyai 3 (tiga) anak The Company has 3 (three) subsidiaries
perusahaan yang bergerak di bidang engaged in the coal mining sector,
pertambangan batubara, terletak di located in the Sangasanga area, Kutai
daerah Sangasanga, Kabupaten Kutai Kartanegara Regency, East Kalimantan.
Kartanegara, Provinsi Kalimantan Timur. The company's subsidiaries are:
Adapun ketiga anak perusahaan
Perseroan tersebut adalah: 1. PT Trisensa Mineral Utama (TMU)
1. PT Trisensa Mineral Utama (TMU) 2. PT Indomining (IM)
2. PT Indomining (IM) 3. PT Adimitra Baratama Nusantara
3. PT Adimitra Baratama Nusantara (ABN)
(ABN)
Dalam rangka memenuhi Ketentuan In order to comply with the Provisions
III.1.6, Peraturan Nomor I-E tentang III.1.6, Regulation Number I-E
Kewajiban Penyampaian Informasi, concerning Information Delivery
Lampiran Keputusan Direksi PT Bursa Obligations, Attachment to the Decree of
Efek Jakarta Number the Board of Directors of PT Bursa Efek
Kep-00066/BEI/09-2022 tanggal 30 Jakarta Nomor Kep-00066/BEI/09-2022
September 2022, maka bersama ini kami dated September 30, 2022, we here
sampaikan Laporan Kegiatan Eksplorasi jointly submit the Company's Exploration
Perseroan untuk Kuartal-3 2025. Activity Report for the 3rd Quarter of
2025.
www.tbsenergi.com
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BAB I CHAPTER I
PENDAHULUAN INTRODUCTION
I. Latar Belakang I. Background
Batubara merupakan bahan galian yang Coal is an economically valuable excavation
bernilai ekonomis, sehingga diminati oleh material, so it is in demand by foreign
investor asing maupun investor dalam investors as well as domestic investors. The
negeri. Usaha pertambangan batubara coal mining business has prospects as a
mempunyai prospek sebagai sektor andalan mainstay sector of oil and gas replacement
pengganti migas dalam membangun in building the economy of East Kalimantan
perekonomian Kalimantan Timur di masa in the future. It is based on available coal
mendatang. Hal ini didasarkan pada sumber resources and potentials, marketing
daya dan potensi batubara yang tersedia, prospects as well as local government policy
prospek pemasaran serta dukungan support.
kebijakan pemerintah daerah.
Pengusahaan pertambangan karena sifat Strive of the Mining business because of the
kegiatannya pada dasarnya selalu nature of its activities basically always cause
menimbulkan perubahan pada alam changes in the nature of its environment.
lingkungannya. Di balik perubahan pada Behind the changes in nature and the
alam dan lingkungannya, suatu kenyataan environment, it is also a fact that mining
pula bahwa usaha pertambangan telah businesses have succeeded in improving
berhasil meningkatkan kesejahteraan human welfare by providing raw materials
manusia dengan menyediakan bahan baku for industry, energy, and others.
untuk industri, energi, dan lain-lain.
Gambar 1.1. Lokasi Tambang PT TBS Energi Utama Tbk
Image 1.1. PT TBS Energi Utama Tbk Mining Site
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Gambar 1.2. Skema Kegiatan Operasional Penambangan PT TBS Energi Utama Tbk
Image 1.2. Scheme of Mining Operations of PT TBS Energi Utama Tbk
Gambar 1.3. Lokasi Konsesi Ketiga Anak Perusahaan PT TBS Energi Utama Tbk
Image 1.3. Concession area of The Three Subsidiaries of PT TBS Energi Utama Tbk
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I. 1. PT TRISENSA MINERAL UTAMA (“TMU”) TMU merupakan perusahaan tambang TMU is a coal mining company with an batubara dengan daerah penambangan administrative mining area including the secara administratif termasuk wilayah sub-districts of Loa Janan, Sangasanga, Kecamatan Loa Janan, Sangasanga, Muara Muara Jawa, Kutai Kartanegara Regency, Jawa, Kabupaten Kutai Kartanegara East Kalimantan Province with an area of Provinsi Kalimantan Timur dengan Luas 3,414 ha and the 2010 KTN area code 3133 wilayah 3.414 ha dan kode Wilayah KTN OP. TMU has received approval to carry out 2010 3133 OP. TMU telah mendapat mining activities and sell excavated products persetujuan untuk melakukan aktivitas with the Decree of the Minister of penambangan dan penjualan hasil galian Investment/Head of the Investment dengan Keputusan Menteri Investasi/ Coordinating Board Number: Kepala Badan Koordinasi Penanaman 1098/1/IUP/PMDN/2022 concerning Modal Nomor : 1098/1/IUP/PMDN/2022 approval for granting extensions of mining Tentang persetujuan Pemberian business permits at the production operation Perpanjangan Izin Usaha Pertambangan activity stage for coal commodities to PT Pada Tahap Kegiatan Operasi Produksi Trisensa Mineral Utama (area code untuk Komoditas Batubara kepada PT 3364023032014055) on September 21, Trisensa Mineral Utama (kode wilayah 2022. 3364023032014055) pada tanggal 21 September 2022. Pada Kuartal-3 2025, pelaksanaan In The 3rd Quarter of 2025, the pekerjaan yang dilakukan oleh TMU telah implementation of work carried out by TMU menyerap tenaga kerja sebanyak 92 orang has absorbed a workforce of 92 people sedangkan untuk kontraktor dan while for contractors and sub-contractors sub-kontraktornya 770 orang dan dibagi 770 people and divided into 2 shifts of work. menjadi 2 shift kerja. Kontraktor tambang The mining contractor used is PT Multindo yang digunakan adalah PT Multindo Prima Prima Teknik (MPT). Mining is done by Teknik (MPT). Penambangan yang surface open pit mining system with truck dilakukan dengan sistem tambang terbuka and shovel method. (surface open pit mining) dengan metode truck dan shovel. Produk batubara yang dihasilkan TMU Coal products produced by TMU have an memiliki kalori rata-rata 4500 GAR dengan average calorie of 4500 GAR with Total Total Sulphur (TS) di bawah 1%. Kualitas Sulphur (TS) below 1%. The quality of this batubara ini cukup memenuhi permintaan coal is enough to meet the demand of the pasar yang menginginkan batubara dengan market who want low sulphur coal. sulphur rendah. Pelaksanaan pengelolaan Implementation of Occupational Safety and Keselamatan dan Kesehatan Kerja yang Health management implemented in TMU diterapkan di TMU mengacu kepada refers to the program / plan of Occupational program/rencana Pengelolaan Keselamatan Safety and Health Management in dan Kesehatan Kerja sesuai dengan accordance with applicable laws and perundang-undangan yang berlaku. regulations. Kegiatan pengelolaan dan pemantauan lingkungan yang dilakukan TMU meliputi Environmental management and monitoring kegiatan penghijauan yang dilakukan di activities carried out by TMU include Tanggul Jalan, Tanggul Stockpile, Tanggul greening activities carried out at the Road
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Depan Timbangan, Settling Pond, Waste Embankment, Embankment Stockpile, Front Dump dan Bench Office Baru. Pada saat ini, Embankment Scales, Settling Pond, Waste TMU juga melakukan pengelolaan dan Dump and New Bench Office. Currently, pemantauan kualitas air, debu, kebisingan, TMU also manages and monitors water limbah B3 dan limbah domestik, serta quality, dust, noise, B3 waste and domestic pemantauan tingkat erosi. waste, as well as monitoring erosion rates. I. 2. PT INDOMINING (“IM”) Berdasarkan Izin Usaha Produksi Nomor: Based on Production Business License 540/004/IUP-OP/MB-PBAT/III/2013 tanggal Nomor: 540/004/IUP-OP/MB-PBAT/III/2013 15 Maret 2013, IM melakukan kegiatan dated March 15, 2013, IM conducted coal eksplorasi dan penambangan batubara serta exploration and mining activities and its hasil produksinya di daerah Kecamatan production in Sangasanga District, Kutai Sangasanga, Kabupaten Kutai Kartanegara, Kartanegara Regency, East Kalimantan Propinsi Kalimantan Timur. Tahap produksi Province. IM's production phase began in IM dimulai pada bulan Agustus 2007, August 2007, while commercial production sedangkan produksi komersial dimulai pada began in October 2007. bulan Oktober 2007. Kegiatan penambangan IM dilakukan IM mining activities are carried out by mining kontraktor penambangan yaitu PT RPP contractor PT RPP Contractors Indonesia Contractors Indonesia (RCI) dan CV (RCI) and CV Multindo Prima Teknik (MPT). Multindo Prima Teknik (MPT). Kegiatan Mining activities are surface open pit mining penambangan merupakan penambangan with truck and shovel methods. terbuka (surface open pit mining) dengan metoda truck dan shovel. Pada Kuartal-3 2025, sumber daya manusia As of 3rd Quarter 2025, human resources yang bekerja dalam kegiatan operasional IM working in IM's operational activities reached mencapai 338 tenaga kerja termasuk 338 workers including contractors and kontraktor dan subkontraktor. Dari 338 orang sub-contractors. Of those 338 people, about tersebut sekitar 80% merupakan tenaga 80% are local workers to support community kerja lokal sebagai penunjang program development programs with the aim of community development dengan tujuan improving the welfare of the communities untuk meningkatkan kesejahteraan around the mine. masyarakat di sekitar tambang. Produk batubara IM memiliki kualitas antara IM coal products have quality between 4200 4200 - 5600 GAR dengan total sulphur - 5600 GAR with total sulphur between 0.2% antara 0.2% - 2.0%. Produk cukup bersaing - 2.0%. The product is quite competitive in di dalam pasar internasional maupun the international and domestic markets. domestik I. 3. PT ADIMITRA BARATAMA NUSANTARA (“ABN”) ABN didirikan pada tahun 2004, dan ABN was established in 2004, and manages mengelola daerah pertambangan dengan a mining area of about 2,990 ha located in luas area sekitar 2.990 Ha yang berlokasi di Kampung Jawa Village, Sangasanga District Desa Kampung Jawa, Kecamatan and Muara Kembang Village, Muara Jawa
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Sangasanga dan Desa Muara Kembang, District, Kutai Kartanegara Regency, East
Kecamatan Muara Jawa, Kabupaten Kutai Kalimantan. Based on Mining Business
Kartanegara, Kalimantan Timur. License Production Operation Number:
Berdasarkan pada Izin Usaha 540/1691/IUP-OP/MB-{BAT/XII/2009 dated
Pertambangan Operasi Produksi Nomor: December 1, 2009, ABN conducts
540/1691/IUP-OP/MB-{BAT/XII/2009 tanggal exploration, coal mining, and marketing of
1 Desember 2009, ABN melakukan kegiatan production at its mine site.
eksplorasi, penambangan batubara, dan
pemasaran hasil produksi di lokasi
tambangnya tersebut.
ABN mulai melakukan kegiatan eksplorasi ABN began its exploration and infrastructure
dan pembangunan infrastruktur pada tahun development activities in 2007, while
2007, sedangkan produksi komersial dimulai commercial production began in 2008. ABN
pada tahun 2008. Produk batubara ABN coal products belong to thermal coal group
termasuk dalam kelompok thermal coal with sub-bituminous and bituminous rank,
dengan rank sub-bituminous dan with 4 types of ABN 52 (CV 5200 GAR & TS
bituminous, dengan 4 jenis tipe yaitu ABN < 1), ABN 50 (CV 5000 GAR & TS < 1),
52 ( CV 5200 gar & TS < 1), ABN 50 ( CV ABN 42 (CV 4200 GAR & TS < 1) and ABN
5000 gar & TS < 1), ABN 42 ( CV 4200 gar 56 HS (CV 5600 gar & TS <2)). Thermal
& TS < 1) dan ABN 56 HS(CV 5600 gar & coal is marketed to several countries in the
TS < 2)). Thermal coal dipasarkan ke world, including India, China, Japan, Italy,
beberapa negara di dunia, diantaranya Thailand, and Korea. ABN also supplies for
India, Cina, Jepang, Italia, Thailand, dan domestic needs, namely cement industry
Korea. ABN juga mensuplai untuk and several other industries.
kebutuhan dalam negeri, yaitu industri
semen dan beberapa industri lainnya.
Sistem penambangan yang dilakukan ABN ABN's mining system is surface open pit
yaitu sistem penambangan terbuka (surface mining. Coal ABN has a low ash content, so
open pit mining). Batubara ABN memiliki it is not done by washing process, only done
kandungan abu yang rendah, sehingga tidak by crushing process. Mining activities of PT.
dilakukan pencucian (washing), hanya ABN is carried out by one main contractor,
dilakukan proses peremukan (crushing). PT RPP Contractors Indonesia (RCI).
Kegiatan penambangan PT. ABN dilakukan
oleh satu kontraktor utama, yaitu PT. RPP
Contractors Indonesia (RCI).
Pada Kuartal-III 2025, sumber daya manusia In The 3rd Quarter of 2025, human resources
yang terlibat dalam kegiatan operasional involved in ABN's operational activities
ABN mencapai sekitar 651 orang, yang reached about 623 people, consisting of 245
terdiri dari 245 orang tenaga kerja pada ABN workers in ABN and 406 workers in
dan 406 orang tenaga kerja pada kontraktor contractors and sub-contractors.
maupun sub-kontraktor.
Sebagai salah satu wujud pemberdayaan As the form of empowerment of the
masyarakat sekitar, ABN bersama-sama surrounding community, ABN along with
dengan kontraktor dan sub-kontraktor saat contractors and sub-contractors currently
ini telah menampung tenaga kerja lokal have accommodated local workers in
Kecamatan Sangasanga & Kecamatan Sangasanga District & Muara Jawa District,
Muara Jawa, Kabupaten Kutai Kartanegara Kutai Kartanegara Regency approximately
kurang lebih 80 % dari kebutuhan tenaga about 80% of the labor needs, while the
kerja, sedangkan sisanya sekitar 20 % remaining about 20% comes from outside
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berasal dari luar daerah dua kecamatan the area of the two sub-districts. tersebut.
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BAB II CHAPTER II
KEGIATAN EKSPLORASI EXPLORATION ACTIVITY
II. 1. PT TRISENSA MINERAL UTAMA (“TMU”)
1. 1. DAERAH EKSPLORASI 1. 1. EXPLORATION AREA
Pada Kuartal-3 2025 kegiatan eksplorasi In the 3rd Quarter of 2025, exploration
berupa kegiatan sampling di Pit Aktif yaitu activities will be in the form of sampling
pit B1WA, 5B18. activities in Active Pits, namely pit B1WA,
5B18.
Kegiatan pemboran cropline untuk seam R,
S, T di blok 2 dan 3. Kegiatan ini bertujuan Cropline drilling activities for seams R, S, T
untuk mencari kemenerusan seam -seam, in blocks 2 and 3. This activity aims to find
Ketebalan, data Top of Coal (zona the continuity of the seams, thickness, Top
pelapukan) tersebut ke arah selatan. of Coal data (weathering zone) to the south.
Rencana pemboran cropline ini berjumlah The plan to drill this cropline consists of 68
68 titik bor dengan total kedalaman 1000 drill points with a depth of 1000 meters.
meter.
Coal sampling activities in active pits to
Kegiatan sampling batubara di pit aktif guna determine the quality value, especially the
mengetahui nilai kualitas nya terutama nilai total sulphur (TS) value and total calorie
total sulphur (TS) dan nilai total kalori. value. coal sampling activities. The target
kegiatan sampling batubara. Seam target seam is the T, RU, RL, S, ZA, Z, Y, X seams
adalah seam T, RU, RL, S, ZA, Z, Y, X di pit in pit B1WA. sampling in pit 5B18 with seam
B1WA. sampling di pit 5B18 dengan seam target seam 18.
target seam 18.
1. 2. METODE PENGUKURAN 1. 2. MEASUREMENT METHODS
Trenching Trenching
Secara teknis di lapangan tim geologist Technically in the field, the geologist team
melakukan trenching dengan membuat conducted trenching by making an
paritan memanjang memotong strike seam – elongated trench cutting the strike seam –
seam target sebatas titik plan yang dibuat seam target to the point plan made earlier.
sebelumnya. Hal ini berfungsi untuk This serves to cover the entire region so that
mengcover seluruh wilayah agar semua all seams can be found. The average length
seam dapat ditemukan. Rata – rata panjang of trenching in a day can reach 80 m -100 m
paritan trenching dalam sehari bisa depending on the terrain/ area of work
mencapai 80 m - 100 m tergantung dari whether in a ramp, swamp or hilly with a
medan/areal kerjanya apakah di tempat steep slope.
landai, rawa atau berbukit dengan
kemiringan terjal.
Pengambilan sampel untuk di mengetahui Sampling to find out the values of quality is
nilai –nilai kualitasnya dilakukan per jarak done per distance of 100 m between
100 m antar lubang trenching. trenching holes
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Sampling Sampling
Tim geologi juga melakukan sampling seam Geologies team also sampling seams in the
–seam di pit guna mengetahui kualitas ter pit to find out the updated quality of the
update dari seam – seam yang akan seams that will be mine.
ditambang. The methods used are:
Metode yang digunakan adalah:
Pemboran Cropline Cropline Drilling
Tim geologi membuat rencana pemboran The geological team made a plan to drill a
cropline dengan jarak 50 meter searah strike cropline with a distance of 50 meters in the
seam. direction of the strike seam.
Pengeboran ini baru dimulai awal This drilling will only start in early September
September 2025 dan ditargetkan selesai 2025 and is targeted to be completed in
pada bulan November 2025. November 2025.
Target kedalaman harian adalah sebesar 15 The daily depth target is 15 meters.
meter.
Jika dalam pengeboran ini tidak ditemukan If in this drilling no seam is found that is the
seam yang menjadi target maka titik bor target, the drill point will be shifted
akan di geser tegak lurus dengan strike yaitu perpendicular to the strike, namely west or
arah barat atau timur tepatnya arah N 110° east, precisely in the direction of N 110° E or
E atau N 290 °S. Jarak pergeseran ini akan N 290 °S. This shift distance will be claimed
di klaim oleh geologist berdasarkan acuan by the geologist. Based on lithological
litologi yang di dapat dibandingkan dengan references, it can be compared with
urutan litologi yang sudah ada sebelumnya pre-existing lithological sequences, for
misalnya dari data pemboran eksplorasi example from exploration drilling data or
atau data geofisikal logging. geophysical logging data.
1. Jarak antar titik sampling maksimal
20 m per seam searah strike bukaan 1. The distance between sampling points
batubara yang akan diambil (getting). maximum 20 m per seam direct strike
coal openings to be taken (getting).
2. Sampling ulang/update pada tiap 2. Re-sampling/update on each new layer
bukaan layer baru pada suatu seam opening on a seam (maximum 1 layer
(maksimal 1 bukaan layer setinggi 3 opening as high as 3 m).
m).
3. Sampling pada seam – seam bukaan 3. Sampling on seam – seam new
baru/seam yang pertama kalinya openings/ seam the first time will be in
akan di getting. Adapun plan getting. The mining plan until the end
penambangan sampai dengan akhir of the year is targeted at seam with
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tahun ditargetkan pada seam dengan calorie value (ar)_g above 4500..
nilai Calori (ar)_g di atas 4500.
1. 3. BIAYA EKSPLORASI 1. 3. EXPLORATION COSTS
Biaya Eksplorasi TMU yang dikeluarkan di TMU Exploration Costs incurred in the 3rd
Kuartal-3 2025 sebagai berikut: Quarter of 2025 as follows:
Q3 2025 Year To Date
Biaya Operasional Anggaran Realisasi Anggaran Realisasi
Operating Expense Budget Realization Budget Realization
(IDR) (IDR) (IDR) (IDR)
Juli / July 112,500,000 12,500,000 450,000,000 60,000,000
Agustus / August 112,500,000 2,500,000 450,000,000 62,500,000
September /
112,500,000 - 450,000,000 62,500,000
September
Catatan: Note:
Jumlah sampling di Kuartal-3 2025 The number of samplings in The 3rd Quarter
berjumlah 6 sampel. 2025 amounted to 6 samples
Biaya Eksplorasi untuk tahun 2025 yang Exploration Cost for 2025 in accordance with
sesuai dengan RKAB 2025 bagian geologi RKAB 2025 geological section in the form of
berupa biaya analisa kualitas batubara di coal quality analysis cost at laboratory
laboratorium maksimal 14 sampel/bulan. maximum 14 samples per month. The cost
Biaya untuk kegiatan trenching yang for trenching activities that use PC 200 units
menggunakan unit PC 200 biayanya is accommodate to production department
dimasukkan ke departemen produksi untuk for general work with a record of trenching
pekerjaan general dengan catatan kegiatan activities on the unit usage timesheet.
trenching pada lembar timesheet pemakaian
unit.
1. 4. PELAKSANAAN DAN 1. 4. IMPLEMENTATION AND
PENGAWASAN SUPERVISION
Pengawasan Test Pit/Trenching dan Supervision of Test Pit/ Trenching sampling
sampling batubara di pit TMU dilakukan oleh of coal in the TMU pit conducted by
Geologist TMU. TMU’geologist.
1. 5. KEMAJUAN EKSPLORASI 1. 5. EXPLORATION PROGRESS
Kesimpulan Eksplorasi TMU Kuartal-2 Conclusion of TMU Exploration in the 3rd
2025 Quarter of 2025
Selain kegiatan trenching kami dari tim In addition to our trenching activities from
geologi juga melakukan sampling seam the geology team also sampling seam-seam
–seam di pit guna mengetahui kualitas ter in the pit to find out the update quality from
update dari seam – seam yang akan di seam - seam to be getting. The methods
getting. Metode yang digunakan adalah: used are:
1. Jarak antar titik sampling maksimal 50 m 1. Distance between sampling points
per seam searah strike bukaan batubara maximum 50 m per unidirectional strike
yang akan diambil (getting). coal openings to be taken (getting)
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2. Sampling ulang/update pada tiap bukaan 2. Sampling/update on each new layer
layer baru pada suatu seam (maksimal 1 opening on one seam (maximum 1-layer
bukaan layer setinggi 3 m). aperture as high as 3 m).
3. Sampling pada seam – seam bukaan
baru/seam yang pertama kalinya akan di 3. Sampling on seam - seam new openings
getting. Adapun plan penambangan / seam the first time will be in the getting.
sampai dengan akhir tahun ditargetkan The mining plan until the end of the year
pada seam dengan nilai Calori (ARB) is targeted at seam with calorie (ARB)
GAR di atas 4800. GAR value above 4800.
4. Selama Kuartal-3 2025 kegiatan berupa
sampling pit aktif yaitu di pit 5B18 4. During The 3rd 2025, activities in the form
dengan seam target adalah seam 18 .Pit of active pit sampling are in pit 5B18 with
B1WA dengan seam target T, RU, RL, target seam is 18 Pit B1WA with target
S, Y, ZA, Z, X. seam T, RU, RL, S, Y, ZA, Z, X.
5. Rata – rata hasil analisa kualitas dari
seam –seam tersebut di atas TM 5. The average quality analysis results of
29.17%, ASH 6.50 %, TS 0.20 % dan the seam -seam above TM 29.17 %,
nilai CAL (ar) 4.300. ASH 6.50%, TS 0.20 % and CAL (ar)
values 4.300.
6. Adapun realisasi pengeboran sampai
kuartal ini berjumlah 7 titik bor dengan 6. The drilling realization until this quarter
total kedalaman 102.50 m . Titik bor amounted to 7 drill points with a total
yang berhasil mendapatkan seam target depth of 102.50 m. The drill points that
berjumlah 3 titik bor dan yang tidak successfully get the target seam are 3
berjumlah 4 titik bor. drill points and those that do not amount
to 4 drill points
1. 6. RENCANA KEGIATAN 1. 6. PLANS FOR FURTHER
EKSPLORASI SELANJUTNYA EXPLORATION ACTIVITIES
Rencana Kegiatan Divisi Geologi Kuartal-4 The Geological Division Plan for 4th Quarter
2025: 2025:
1. Melakukan pembaharuan / updating 1. Updating the Geological model based on
model Geologi berdasarkan data monthly roof/floor updating data from pit
updating roof/floor bulanan dari data survey data and cs holes data from coal
survey Pit serta cs_holes dari data sampling channel data. The results of
channel sampling batubara. Hasil dari this model update are then sent to the
pembaharuan model ini kemudian dikirim mine plan engineering section as a basis
ke bagian mine plan engineering sebagai for submissions for making pit designs
dasar acuan untuk pembuatan desain pit for next month.
untuk bulan depan.
2. Trenching di luar Rencana PIT yang di 2. Trenching outside the PIT Plan that is
Plan kan oleh tim Engineering di planned by the Engineering team is not
tiadakan dan sebagai penggantinya in place and in lieu of trenching is done in
adalah trenching di lakukan di plan pit the plan pit whose trenching data is
yang data trenchingnya kurang atau lacking or confidence level of continuity,
tingkat confidence kemenerusan, seam thickness in the pit is still lacking.
ketebalan seam di pit tersebut masih
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kurang.
3. Memonitoring adanya anomali pada 3. Monitoring the presence of anomalies in
suatu bukaan PIT yang aktif. an active PIT aperture.
4. Tim geologist akan melakukan sampling 4. The geological team will be sampling the
pada bukaan seam seam yang berada di seam seam openings located in the
pit aktif terutama mengontrol perubahan active pit, especially controlling changes
nilai Total Sulfur, Persentase nilai Ash in the value of Total Sulphur, Ash percent
dan nilai Kalori di seam –seam berkalori value and value of Calorie in seam
tinggi baik ke arah down dip maupun ke -seam with high calories both down dip
arah strike nya. towards his strike.
5. Memonitoring kualitas dari seam –seam 5. Monitoring the quality of seam -seam that
yang tertambang di bulan Oktober – is mined in July until September 2025,
Desember 2025 terutama dalam hal especially in terms of changes in TS
perubahan nilai TS seiring penurunan value in line with the decrease in
elevasi dari masing –masing seam yang elevation of each seam that is mined.
tertambang.
6. Update data kualitas berdasarkan 6. Quality data update based on mining
kemajuan penambangan pada progress on seam–seam target in
seam–seam target di bulan sebelumnya. previous month.
7. Rencana kegiatan pengeboran 7. The plan for exploration drilling activities
eksplorasi di tahun 2025 sebanyak 78 in 2025 is 78 drill points or as many as
titik bor atau sebanyak 9.360 m di 9,360 m in the western area of the B3KL
wilayah barat pit B3KL dengan seam pit with seam Target seam R, S, T, U,
Target seam R, S, T, U, WA, WB, X, Y. WA, WB, X, Y.
8. Rencana kegiatan pengeboran geoteknik 8. The plan for geotechnical drilling
di tahun 2025 sebanyak 5 titik pemboran activities in 2025 is 5 drilling points or as
atau sebanyak 600 m di wilayah Barat pit much as 600 m in the Western area of
B3KL. the B3KL pit.
9. Melanjutkan pengeboran cropline sampai 9. Continue cropline drilling until November
bulan November 2025 sebanyak 100 2025 as many as 100 meters with the
meter dengan target utama adalah seam main target being seams R, S and
R, S dan T.
II. 2. PT INDOMINING (“IM”)
2. 1. DAERAH EKSPLORASI 2. 1. EXPLORATION AREA
Pada Kuartal-3 2025, IM tidak ada kegiatan In the 3rd Quarter of 2025, IM had no drilling
pemboran. activities.
2. 2. METODE PENGUKURAN 2. 2. MEASUREMENT METHODS
Untuk kegiatan pemboran infill For infill drilling activities using touch coring
menggunakan metode touch coring, method, while for geotechnical drilling is
sedangkan untuk pemboran geoteknik done by drilling Full Coring method.
Page 14
dilakukan dengan pemboran metode Full
Coring.
Pemboran geoteknik dilakukan juga dengan Geotechnical drilling is also carried out using
menggunakan metode Standard Penetration the Standard Penetration Test (SPT)
Test (SPT). Prinsip kerja SPT adalah method. The working principle of SPT is to
dengan memukul sebuah tabung standar ke hit a standard tube into a drill hole 45 cm
dalam lubang bor sedalam 45 cm deep using a hammer weighing 63.5 KG that
menggunakan palu dengan berat 63.5 KG falls freely from a height of 76 cm. What
yang jatuh bebas dari ketinggian 76 cm. counts is the number of blows to penetrate
Yang dihitung adalah jumlah pukulan untuk as deep as 15 cm. The number of blows
melakukan penetrasi sedalam 15 cm. used is penetration as deep as the last 30
Jumlah pukulan yang digunakan adalah cm.
penetrasi sedalam 30 cm terakhir.
2. 3. BIAYA EKSPLORASI 2. 3. EXPLORATION COSTS
Biaya Eksplorasi IM yang dikeluarkan di IM Exploration Costs incurred in the 3rd
Kuartal-3 2025 sebagai berikut: Quarter of 2025 as follows:
Q3 2025 Year To Date
Biaya Operasional Anggaran Realisasi Anggaran Realisasi
Operating Expense Budget Realization Budget Realization
(IDR) (IDR) (IDR) (IDR)
Juli / July 83,333,333 - 583,333,331 -
Agustus / August 83,333,333 - 666,666,664 -
September / September 83,333,333 - 749,999,997 -
2. 4. PELAKSANAAN DAN 2. 4. IMPLEMENTATION AND
PENGAWASAN SUPERVISION
Kegiatan Pemboran diawasi oleh Drilling activities are supervised by the
Departemen Engineering Section Geologist. Department of Engineering geologist
section.
2. 5. KEMAJUAN EKSPLORASI 2. 5. EXPLORATION PROGRESS
Pada Kuartal-3 2025 belum ada kegiatan As of The 3rd Quarter of 2025, there are no
pemboran lanjutan. Namun ada beberapa further drilling activities. But there are
kegiatan Geologi yang berlanjut dilakukan, several geological activities that continue to
diantaranya: be carried out, including:
1. Melakukan pembaharuan/ updating 1. Updating the Geological model based on
model Geologi berdasarkan data monthly roof/floor updating data from pit
updating roof/ floor bulanan dari data survey data and cs_holes data from coal
survey Pit serta cs_holes dari data sampling channel data, and supervision
channel sampling batubara, dan in the activities of taking roof/floor
pengawasan dalam kegiatan measurement data and cs_holes.
pengambilan data pengukuran roof/floor
serta cs_holes tersebut.
Page 15
2. Melakukan kegiatan channel sampling 2. Conducting channel sampling activities
serta pengukuran tebal aktual batubara as well as actual thick measurement of
di lokasi Pit AB Blok 14-16 & sekitarnya coal at the pit AB location Block 14-16 &
untuk keperluan pembuatan data surrounding areas for the purposes of
channel sampling untuk support making data sampling channels to
pembaharuan / updating model Geologi support the renewal / updating of
dan variasi kualitas batubara dari coal geological models and variations in the
inventory yang akan ditambang. quality of coal from coal inventory to be
mined.
3. Melakukan analisis kestabilan lereng di 3. Perform slope stability analysis in the pit
area pit aktif Pit, baik pada sisi low wall, active pit area, both on the low wall side,
high wall maupun sidewall serta disposal high wall and sidewall and disposal IPD
IPD border Selatan, kaitannya untuk South border, related to know the value
mengetahui nilai safety factor (FoS) of safety factor (FoS) to control the
untuk kontrol pembentukan desain Pit formation of Active Pit design to be
Aktif supaya stabil dan aman. stable and safe.
2. 6. RENCANA KEGIATAN 2. 6. PLANS FOR FURTHER
EKSPLORASI SELANJUTNYA EXPLORATION ACTIVITIES
IM pada periode Kuartal-4 2025 belum IM for 4th Quarter of 2025 has not planned to
merencanakan melakukan aktifitas kembali resume further exploration drilling activities,
pengeboran eksplorasi lanjutan, baik itu be it infill drilling or Geotechnical drilling in
pengeboran infill maupun pengeboran IM concession area.
Geoteknik di area konsesi IM.
Sehubungan dengan rencana In relation to the mining optimization plan at
pengoptimalan penambangan pada pit Indomining's main pit to a depth of RL-160
utama Indomining hingga kedalaman meters according to the Mine Plan target for
RL-160 meter sesuai target Mine Plan untuk the IM pit and in order to optimize the
pit IM dan dalam rangka mengoptimalkan mineable reserve of potential seams, the
mineable reserve seam-seam potensial, quality and quantity of exploration data
kualitas dan kuantitas jumlah data eksplorasi owned by PT Indomining through the current
yang dimiliki oleh PT Indomining melalui geological model are sufficiently
model geologi saat ini sudah cukup mewakili representative and meet the number of
serta memenuhi dengan jumlah distribusi distribution of existing boreholes very well to
titik – titik bor yang ada sangat baik untuk cover the optimization of coal reserves in the
mengcover optimasi cadangan batubara planning of the mining process of the PIT
dalam perencanaan proses penambangan design geometry during the period for 2025.
geometri desain PIT selama periode untuk
Tahun 2025.
II. 3. PT ADIMITRA BARATAMA NUSANTARA (“ABN”)
3. 1. DAERAH EKSPLORASI 3. 1. EXPLORATION AREA
Pada Kuartal-III 2025, ABN melakukan In the 3rd Quarter of 2025, ABN conducted
update model geologi berdasarkan data geological model updates based on channel
channel sampling serta data roof & floor sampling data as well as actual roof & floor
aktual dari hasil pengukuran survey, serta data from survey measurement results, as
melakukan rekonsiliasi model geologi well as reconciling geological models to
terhadap data survey aktual. actual survey data.
Selain kegiatan eksplorasi di dalam konsesi Apart from exploration activities within the
IUP ABN, tim eksplorasi juga melakukan ABN IUP concession, the exploration team
Page 16
studi prospeksi dan review terhadap potensi also carried out prospecting studies and
pengembangan bahan galian di luar IUP reviews of the potential for developing
ABN. Pada kuartal-III, tim eksplorasi telah minerals outside the ABN IUP. In the 3rd
menyelesaikan sebanyak 2 desk studi Quarter, the exploration team completed 2 of
prospeksi terhadap potensi Batubara prospecting studies on the potential coal.
3. 2. METODE PENGUKURAN 3. 2. MEASUREMENT METHODS
Channel sampling dilakukan dengan Channel sampling is done by mapping and
mapping dan pengukuran aktual batubara actual measurement of coal that has been
yang telah terekspos (thickness, strike, dip, exposed (thickness, strike, dip, collar) then
collar) kemudian diambil sampel secara taken composite sample to be analyzed coal
komposit untuk dilakukan analisa kualitas quality as the basis for geology model
batubara sebagai dasar untuk update model update in line with the progress of the mine.
geologi seiring dengan kemajuan tambang. Channel sampling in the 3rd Quarter of 2025
Chanel sampling pada Kuartal-III 2025 was conducted at seam S41, S42, S43U at
dilakukan pada seam S41, S42, S43U pada Pit 6
Pit 6
3. 3. BIAYA EKSPLORASI 3. 3. EXPLORATION COSTS
Biaya Eksplorasi ABN yang dikeluarkan di ABN Exploration Costs issued in The 3rd
Kuartal-3 2025 sebagai berikut: Quarter of 2025 as follows:
Biaya Q3 2025 Year To Date
Operasional Anggaran Realisasi Anggaran Realisasi
Operating Budget Realization Budget Realization
Expense (IDR) (IDR) (IDR) (IDR)
Juli / July 250.000.000 81.666.667 1.138.000.000 206.666.667
Agustus / August 250.000.000 245.000.000 1.388.000.000 451.666.667
September / 245.000.000
250.000.000 1.638.000.000 696.666.667
September
3. 4. PELAKSANAAN DAN 3. 4. IMPLEMENTATION AND
PENGAWASAN SUPERVISION
Kegiatan dilaksanakan dan diawasi oleh Activities are carried out and supervised by
Departemen Mining section Geotech & the Department of Mining section Geotech &
Exploration Development. Exploration Development.
3. 5. KEMAJUAN EKSPLORASI 3. 5. EXPLORATION PROGRESS
Pada Kuartal-III 2025 tidak ada kegiatan In The 3rd Quarter of 2025, there are no
pemboran eksplorasi, namun berikut exploration drilling activities, but the
kegiatan team geologi selama Kuartal-III following are the activities of the geological
2025: team during the 3rd Quarter of 2025:
1. Melakukan monitoring di area Pit Aktif, 1. Monitoring the Active Pit area, both slope
baik monitoring kestabilan lereng stability monitoring and coal monitoring to
maupun monitoring batubara untuk monitor the suitability between geological
memantau kesesuaian antara Model models and actual in the field.
Geologi & aktual di lapangan. 2. Geological Model Update based on coal
2. Update Model Geologi berdasarkan data roof/floor data from actual survey data
Page 17
roof/floor batubara dari data survey and drilling data.
actual dan dari data pemboran 3. Analysis of slope stability in low wall pit
3. Analisa kestabilan lereng di area Low area active & disposal area.
Wall Pit Aktif & area disposal. 4. Pit and disposal slope stability monitoring
4. Monitoring kestabilan lereng untuk pit using monitoring point prism and SSR
dan disposal dengan titik pantau prisma (Slope Stability Radar).
dan SSR (Slope Stability Radar). 5. Follow up on several potential IUP for
5. Menindaklanjuti beberapa IUP yang detailed exploration.
potensial untuk dilakukan eksplorasi
detail.
3. 6. RENCANA KEGIATAN 3. 6. PLANS FOR FURTHER
EKSPLORASI SELANJUTNYA EXPLORATION ACTIVITIES
Rencana ABN pada periode Kuartal-IV 2025 In the 4th Quarter of 2025, ABN has plans for
ada kegiatan pemboran infill & pemboran infill drilling & depressurization drilling Pit 6.
depresurisasi Pit 6. Selain itu kegiatan However, exploration activities are also
eksplorasi dan geologi juga difokuskan pada focused on the following activities:
kegiatan berikut:
1. Sampling for coal quality updates &
1. Pengambilan sampel untuk update geological models in the Active Pit area.
kualitas batubara & model geologi di 2. Monitoring in the Active Pit area to
area Pit Aktif. monitor the suitability between actual and
2. Monitoring di area Pit Aktif untuk Geological Models in the field.
memantau kesesuaian antara Model 3. Update geological model based on
Geologi dan aktual di lapangan. sampling channel, actual survey data
3. Melakukan update Model Geologi and drilling data.
berdasarkan data channel sampling, data 4. Reconciliation between Geological Model
survey aktual dan data pemboran. to actual survey data.
4. Rekonsiliasi antara Model Geologi 5. Geotech monitoring in Pit & Disposal
terhadap data survey actual. Area.
5. Monitoring geotek di area Pit & Disposal. 6. Slope stability analysis for Pit and
6. Analisa kestabilan lereng pit dan Disposal.
disposal. 7. Monitoring point installation for slope
7. Pemasangan monitoring point untuk movement monitoring program.
pemantauan pergerakan lereng.
Names mentioned 14 people and organisations named in the text · linked when the evidence is strong
unresolved
org
PT Trisensa Mineral Utama
p.2 ×4
unresolved
org
PT Indomining
p.2 ×6
unresolved
org
PT Adimitra Baratama Nusantara
p.2 ×4
unresolved
org
Menteri Investasi
p.5
unresolved
org
Koordinasi Penanaman
p.5
unresolved
org
PT Multindo
p.5
unresolved
org
PT Multindo Prima
p.5
unresolved
org
PT RPP
p.6
unresolved
org
PT RPP Contractors Indonesia Contractors Indonesia
p.6
unresolved
org
PT RPP Contractors Indonesia
p.7 ×2
unresolved
org
PT. ABN
p.7
unresolved
org
Departemen Engineering Section Geologist.
p.14
unresolved
org
Departemen Mining
p.16
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