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Laporan Kuartalan Aktivitas Eksplorasi
Quarterly Report of the Exploration Activities
PT TBS Energi Utama Tbk
Kuartal-2/ the 2nd Quarter of 2025
www.tbsenergi.com
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KATA PENGANTAR INTRODUCTION
PT TBS Energi Utama Tbk (“Perseroan”) PT TBS Energi Utama Tbk ("the
adalah perusahaan pertambangan Company") is a coal mining company
batubara yang melakukan kegiatan conducting mining activities in
penambangan di daerah Sangasanga, Sangasanga area, Kutai Kartanegara
Kabupaten Kutai Kartanegara, Provinsi Regency, East Kalimantan, where the
Kalimantan Timur, dimana area konsesi concession area of the three subsidiaries
ketiga anak perusahaan terletak is located side by side. All the supporting
berdampingan. Seluruh infrastruktur infrastructure of mining operations such
pendukung operasional penambangan as coal hauling roads, offices, workshop,
seperti jalan angkut batubara, coal-only jetty and other infrastructures
perkantoran, perbengkelan, pelabuhan are located in Kutai Kartanegara
khusus batubara dan infrastruktur lainnya Regency, East Kalimantan.
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 concerning
Kewajiban Penyampaian Informasi, Information Delivery Obligations,
Lampiran Keputusan Direksi PT Bursa Attachment to the Decree of the Board of
Efek Jakarta Number Kep-00066/BEI/09- Directors of PT Bursa Efek Jakarta
2022 tanggal 30 September 2022, maka Nomor Kep-00066/BEI/09-2022 dated
bersama ini kami sampaikan Laporan September 30, 2022, we here jointly
Kegiatan Eksplorasi Perseroan untuk submit the Company's Exploration
Kuartal-2 2025. Activity Report for the 2nd 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 negeri. investors as well as domestic investors. The
Usaha pertambangan batubara mempunyai coal mining business has prospects as a
prospek sebagai sektor andalan pengganti mainstay sector of oil and gas replacement in
migas dalam membangun perekonomian building the economy of East Kalimantan in
Kalimantan Timur di masa mendatang. Hal ini the future. It is based on available coal
didasarkan pada sumber daya dan potensi resources and potentials, marketing
batubara yang tersedia, prospek pemasaran prospects as well as local government policy
serta dukungan kebijakan pemerintah support.
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 for
manusia dengan menyediakan bahan baku 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 sub- secara administratif termasuk wilayah districts of Loa Janan, Sangasanga, Muara Kecamatan Loa Janan, Sangasanga, Muara Jawa, Kutai Kartanegara Regency, East Jawa, Kabupaten Kutai Kartanegara Provinsi Kalimantan Province with an area of 3,414 ha Kalimantan Timur dengan Luas wilayah and the 2010 KTN area code 3133 OP. TMU 3.414 ha dan kode Wilayah KTN 2010 3133 has received approval to carry out mining OP. TMU telah mendapat persetujuan untuk activities and sell excavated products with melakukan aktivitas penambangan dan the Decree of the Minister of penjualan hasil galian dengan Keputusan Investment/Head of the Investment Menteri Investasi/ Kepala Badan Koordinasi Coordinating Board Number: Penanaman Modal Nomor : 1098/1/IUP/PMDN/2022 concerning 1098/1/IUP/PMDN/2022 Tentang approval for granting extensions of mining persetujuan Pemberian Perpanjangan Izin business permits at the production operation Usaha Pertambangan Pada Tahap Kegiatan activity stage for coal commodities to PT Operasi Produksi untuk Komoditas Batubara Trisensa Mineral Utama (area code kepada PT Trisensa Mineral Utama (kode 3364023032014055) on September 21, wilayah 3364023032014055) pada tanggal 2022. 21 September 2022. Pada Kuartal-2 2025, pelaksanaan pekerjaan In The 2nd Quarter of 2025, the yang dilakukan oleh TMU telah menyerap implementation of work carried out by TMU tenaga kerja sebanyak 92 orang sedangkan has absorbed a workforce of 92 people while untuk kontraktor dan subkontraktornya 770 for contractors and subcontractors 770 orang dan dibagi menjadi 2 shift kerja. people and divided into 2 shifts of work. The Kontraktor tambang yang digunakan adalah mining contractor used is PT Multindo Prima PT Multindo Prima Teknik (MPT). Teknik (MPT). Mining is done by surface Penambangan yang dilakukan dengan open pit mining system with truck and shovel sistem tambang terbuka (surface open pit method. 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 Environmental management and monitoring lingkungan yang dilakukan TMU meliputi activities carried out by TMU include kegiatan penghijauan yang dilakukan di greening activities carried out at the Road Tanggul Jalan, Tanggul Stockpile, Tanggul Embankment, Embankment Stockpile, Front Depan Timbangan, Settling Pond, Waste Embankment Scales, Settling Pond, Waste Dump dan Bench Office Baru. Pada saat ini, Dump and New Bench Office. Currently, www.tbsenergi.com
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TMU juga melakukan pengelolaan dan TMU also manages and monitors water
pemantauan kualitas air, debu, kebisingan, quality, dust, noise, B3 waste and domestic
limbah B3 dan limbah domestik, serta waste, as well as monitoring erosion rates.
pemantauan tingkat erosi.
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). Kegiatan (RCI). Mining activities are surface open pit
penambangan merupakan penambangan mining with truck and shovel methods.
terbuka (surface open pit mining) dengan
metoda truck dan shovel.
Pada Kuartal-2 2025, sumber daya manusia As of 2nd 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 subcontractors. Of those 338 people, about
tersebut sekitar 80% merupakan tenaga kerja 80% are local workers to support community
lokal sebagai penunjang program community development programs with the aim of
development dengan tujuan untuk improving the welfare of the communities
meningkatkan kesejahteraan masyarakat di around the mine.
sekitar tambang.
Produk batubara IM memiliki kualitas antara IM coal products have quality between 4200
4200 - 5600 GAR dengan total sulphur antara - 5600 GAR with total sulphur between 0.2%
0.2% - 2.0%. Produk cukup bersaing di dalam - 2.0%. The product is quite competitive in the
pasar internasional maupun domestik international and domestic markets.
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
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
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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 bituminous, with 4 types of ABN 52 (CV 5200 GAR & TS
dengan 4 jenis tipe yaitu ABN 52 ( CV 5200 < 1), ABN 50 (CV 5000 GAR & TS < 1), ABN
gar & TS < 1), ABN 50 ( CV 5000 gar & TS < 42 (CV 4200 GAR & TS < 1) and ABN 56 HS
1), ABN 42 ( CV 4200 gar & TS < 1) dan ABN (CV 5600 gar & TS <2)). Thermal coal is
56 HS(CV 5600 gar & TS < 2)). Thermal coal marketed to several countries in the world,
dipasarkan ke beberapa negara di dunia, including India, China, Japan, Italy, Thailand,
diantaranya India, Cina, Jepang, Italia, and Korea. ABN also supplies for domestic
Thailand, dan Korea. ABN juga mensuplai needs, namely cement industry and several
untuk kebutuhan dalam negeri, yaitu industri other industries.
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
dilakukan pencucian (washing), hanya PT 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-2 2025, sumber daya manusia In The 2nd Quarter of 2025, human resources
yang terlibat dalam kegiatan operasional involved in ABN's operational activities
ABN mencapai sekitar 623 orang, yang terdiri reached about 623 people, consisting of 242
dari 242 orang tenaga kerja pada ABN dan workers in ABN and 381 workers in
381 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 ini contractors and sub-contractors currently
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 the
berasal dari luar daerah dua kecamatan 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-2 2025 kegiatan eksplorasi In the 2nd Quarter of 2025, exploration
berupa kegiatan sampling di Pit Aktif yaitu pit activities will be in the form of sampling
B1WA, 5B18. activities in Active Pits, namely pit B1WA,
5B18.
Kegiatan sampling batubara di pit aktif guna Coal sampling activities in active pits to
mengetahui nilai kualitas nya terutama nilai determine the quality value, especially the
total sulphur (TS) dan nilai total kalori. total sulphur (TS) value and total calorie
kegiatan sampling batubara. Seam target value. coal sampling activities. The target
adalah seam T, RU, RL, S, ZA, Z, Y, X di pit seam is the T, RU, RL, S, ZA, Z, Y, X seams
B1WA., sampling di pit 5B18 dengan seam in pit B1WA. sampling in pit 5B18 with 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 elongated
paritan memanjang memotong strike seam – trench cutting the strike seam – seam target
seam target sebatas titik plan yang dibuat to the point plan made earlier. This serves to
sebelumnya. Hal ini berfungsi untuk cover the entire region so that all seams can
mengcover seluruh wilayah agar semua be found. The average length of trenching in
seam dapat ditemukan. Rata – rata panjang a day can reach 80 m -100 m depending on
paritan trenching dalam sehari bisa mencapai the terrain / area of work whether in a ramp,
80 m - 100 m tergantung dari medan/areal swamp or hilly with a steep slope.
kerjanya apakah di tempat 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.
Sampling Sampling
Tim geologi juga melakukan sampling seam Geologies team also sampling seam - seam
–seam di pit guna mengetahui kualitas ter in the pit to find out the updated quality of the
update dari seam-seam yang akan seam - seam that will be mine.
ditambang.
Metode yang digunakan adalah: The methods used are:
1. Jarak antar titik sampling maksimal 20 m 1. The distance between sampling points
per seam searah strike bukaan batubara maximum 20 m per seam direct strike
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yang akan diambil (getting). coal openings to be taken (getting).
2. Sampling ulang/update pada tiap bukaan 2. Re-sampling/update on each new layer
layer baru pada suatu seam (maksimal 1 opening on a seam (maximum 1 layer
bukaan layer setinggi 3 m). opening as high as 3 m).
3. Sampling pada seam – seam bukaan 3. Sampling on seam – seam new
baru/seam yang pertama kalinya akan di openings / seam the first time will be in
getting. Adapun plan penambangan getting. The mining plan until the end of
sampai dengan akhir tahun ditargetkan the year is targeted at seam with calorie
pada seam dengan nilai Calori (ar)_g di value (ar)_g above 4500.
atas 4500.
1. 3. BIAYA EKSPLORASI 1. 3. EXPLORATION COSTS
Biaya Eksplorasi TMU yang dikeluarkan di TMU Exploration Costs incurred in the 2nd
Kuartal-2 2025 sebagai berikut: Quarter of 2025 as follows:
Q2 2025 Year To Date
Biaya Operasional Anggaran Realisasi Anggaran Realisasi
Operating Expense Budget Realization Budget Realization
(IDR) (IDR) (IDR) (IDR)
Biaya Eksplorasi
112,500,000 17,500,000 450,000,000 47,500,000
Exploration Costs
Catatan: Note:
Jumlah sampling di Kuartal-2 2025 berjumlah 7 The number of samplings in The 2 nd Quarter 2025
sampel. amounted to 7 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 for
Biaya untuk kegiatan trenching yang trenching activities that use PC 200 units is
menggunakan unit PC 200 biayanya accommodate to production department for
dimasukkan ke departemen produksi untuk 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 di lakukan oleh of coal in the TMU pit conducted by TMU
Geologist TMU. geologist.
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1. 5. KEMAJUAN EKSPLORASI 1. 5. EXPLORATION PROGRESS
Kesimpulan Eksplorasi TMU Kuartal-2 Conclusion of TMU Exploration in the 2nd
2025 Quarter of 2025
Selain kegiatan trenching kami dari tim In addition to our trenching activities from the
geologi juga melakukan sampling seam – geology team also sampling seam-seam in
seam di pit guna mengetahui kualitas ter the pit to find out the update quality from
update dari seam – seam yang akan di seam - seam to be getting. The methods used
getting. Metode yang digunakan adalah: 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).
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 3. Sampling on seam - seam new openings
baru/seam yang pertama kalinya akan di / seam the first time will be in the getting.
getting. Adapun plan penambangan The mining plan until the end of the year
sampai dengan akhir tahun ditargetkan is targeted at seam with calorie (ARB)
pada seam dengan nilai Calori (ARB) GAR value above 4800.
GAR di atas 4800.
4. Selama Kuartal-2 2025 kegiatan berupa 4. During The 2nd 2025, activities in the form
sampling pit aktif yaitu di pit 5B18 dengan of active pit sampling are in pit 5B18 with
seam target adalah seam 18 Pit B1WA target seam is 18 Pit B1WA with target
dengan seam target T, RU, RL, S, Y, ZA, seam T, RU, RL, S, Y, ZA, Z, X.
Z, X.
5. Rata – rata hasil analisa kualitas dari 5. The average quality analysis results of
seam –seam tersebut di atas TM 28.24 the seam -seam above TM 28.14 %, ASH
%, ASH 6.55 %, TS 0.40 % dan nilai CAL 6.55%, TS 0.40 % and CAL (ar) values
(ar) 4.500 4.500.
1. 6. RENCANA KEGIATAN 1. 6. PLANS FOR FURTHER
EKSPLORASI SELANJUTNYA EXPLORATION ACTIVITIES
Rencana Kegiatan Divisi Geologi Kuartal-2 The Geological Division Plan for 2nd Quarter
2025: 2025:
1. Melakukan pembaharuan/updating model 1. Updating the Geological model based on
Geologi berdasarkan data updating monthly roof/floor updating data from pit
roof/floor bulanan dari data survey Pit survey data and cs holes data from coal
serta cs_holes dari data channel sampling sampling channel data. The results of this
batubara. Hasil dari pembaharuan model model update are then sent to the mine
ini kemudian dikirim ke bagian mine plan plan engineering section as a basis for
engineering sebagai dasar acuan untuk submissions for making pit designs for
pembuatan desain pit untuk bulan depan. next month.
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2. Trenching di luar Rencana PIT yang di 2. Trenching outside the PIT Plan that is
Plan kan oleh tim Engineering di tiadakan planned by the Engineering team is not in
dan sebagai penggantinya adalah place and in lieu of trenching is done in the
trenching di lakukan di plan pit yang data plan pit whose trenching data is lacking or
trenchingnya kurang atau tingkat confidence level of continuity, seam
confidence kemenerusan, ketebalan thickness in the pit is still lacking.
seam di pit tersebut masih kurang.
3. Memonitoring adanya anomali pada suatu 3. Monitoring the presence of anomalies in
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 active
pit aktif terutama mengontrol perubahan pit, especially controlling changes in the
nilai Total Sulfur, Persentase nilai Ash value of Total Sulphur, Ash percent value
dan nilai Kalori di seam –seam berkalori and value of Calorie in seam -seam with
tinggi baik kearah down dip maupun ke high calories seams both down dip and
arah strike nya. towards the strike.
5. Memonitoring kualitas dari seam –seam 5. Monitoring the quality of seam -seam that
yang tertambang di bulan Juli – is mined in July until September 2025,
September 2025 terutama dalam hal especially in terms of changes in TS value
perubahan nilai TS seiring penurunan in line with the decrease in elevation of
elevasi dari masing –masing seam yang each seam that is mined.
tertambang.
6. Update data kualitas berdasarkan 6. Quality data update based on mining
kemajuan penambangan pada seam– progress on seam–seam target in
seam target di bulan sebelumnya. previous month.
7. Rencana kegiatan pengeboran eksplorasi 7. The plan for exploration drilling activities
di tahun 2025 sebanyak 78 titik bor atau in 2025 is 78 drill points or as many as
sebanyak 9.360 m di wilayah barat pit 9,360 m in the western area of the B3KL
B3KL dengan seam Target seam R, S, T, pit with seam Target seam R, S, T, U, WA,
U, WA, WB, X, Y. WB, X, Y.
8. Rencana kegiatan pengeboran geoteknik 8. The plan for geotechnical drilling activities
di tahun 2025 sebanyak 5 titik pemboran in 2025 is 5 drilling points or as much as
atau sebanyak 600 m di wilayah Barat pit 600 m in the Western area of the B3KL pit.
B3KL.
II. 2. PT INDOMINING (“IM”)
2. 1. DAERAH EKSPLORASI 2. 1. EXPLORATION AREA
Pada Kuartal-2 2025, IM tidak ada kegiatan In the 2nd Quarter of 2025, IM had no drilling
pemboran. activities.
2. 2. METODE PENGUKURAN 2. 2. MEASUREMENT METHODS
Untuk kegiatan pemboran infill menggunakan For infill drilling activities using touch coring
metode touch coring, sedangkan untuk method, while for geotechnical drilling is done
pemboran geoteknik dilakukan dengan by drilling Full Coring method.
pemboran metode Full Coring.
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Pemboran geoteknik dilakukan juga dengan Geotechnical drilling is also carried out using
menggunakan metode Standard Penetration the Standard Penetration Test (SPT) method.
Test (SPT). Prinsip kerja SPT adalah dengan The working principle of SPT is to hit a
memukul sebuah tabung standar ke dalam standard tube into a drill hole 45 cm deep
lubang bor sedalam 45 cm menggunakan using a hammer weighing 63.5 KG that falls
palu dengan berat 63.5 KG yang jatuh bebas freely from a height of 76 cm. What counts is
dari ketinggian 76 cm. Yang dihitung adalah the number of blows to penetrate as deep as
jumlah pukulan untuk melakukan penetrasi 15 cm. The number of blows used is
sedalam 15 cm. Jumlah pukulan yang penetration as deep as the last 30 cm.
digunakan adalah 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 2nd
Kuartal-2 2025 sebagai berikut: Quarter of 2025 as follows:
Q2 2025 Year To Date
Biaya Operasional Anggaran Realisasi Anggaran Realisasi
Operating Expense Budget Realization Budget Realization
(IDR) (IDR) (IDR) (IDR)
April / April 83,333,333 - 333,333,332 -
Mei / May 83,333,333 - 416,666,665 -
Juni / June 83,333,333 - 499,999,998 -
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-2 2025 belum ada kegiatan As of The 2nd Quarter of 2025, there are no
pemboran lanjutan. Namun ada beberapa further drilling activities. But there are several
kegiatan Geologi yang berlanjut dilakukan, geological activities that continue to be
diantaranya: carried out, including:
1. Melakukan pembaharuan/updating model 1. Updating the Geological model based on
Geologi berdasarkan data updating roof/ monthly roof/floor updating data from pit
floor bulanan dari data survey Pit serta survey data and cs_holes data from coal
cs_holes dari data channel sampling sampling channel data, and supervision in
batubara, dan pengawasan dalam the activities of taking roof/floor
kegiatan pengambilan data pengukuran measurement data and cs_holes.
roof/floor serta cs_holes tersebut.
2. Melakukan kegiatan channel sampling 2. Conducting channel sampling activities as
serta pengukuran tebal aktual batubara di well as actual thick measurement of coal
lokasi Pit AB Blok 14-16 & sekitarnya at the pit AB location Block 14-16 &
untuk keperluan pembuatan data channel surrounding areas for the purposes of
sampling untuk support making data sampling channels to
pembaharuan/updating model Geologi support the renewal / updating of
geological models and variations in the
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dan variasi kualitas batubara dari coal quality of coal from coal inventory to be
inventory yang akan ditambang. 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 of
mengetahui nilai safety factor (FoS) untuk safety factor (FoS) to control the
kontrol pembentukan desain Pit Aktif formation of Active Pit design to be stable
supaya stabil dan aman. and safe.
2. 6. RENCANA KEGIATAN 2. 6. PLANS FOR FURTHER
EKSPLORASI SELANJUTNYA EXPLORATION ACTIVITIES
IM pada periode Kuartal-3 2025 belum IM for 3rd 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 IM
pengeboran infill maupun pengeboran concession area.
Geoteknik di area konsesi IM.
Sehubungan dengan rencana pengoptimalan In relation to the mining optimization plan at
penambangan pada pit utama Indomining Indomining's main pit to a depth of RL-160
hingga kedalaman RL-160 meter sesuai meters according to the Mine Plan target for
target Mine Plan untuk pit IM dan dalam the IM pit and in order to optimize the
rangka mengoptimalkan mineable reserve mineable reserve of potential seams, the
seam-seam potensial, kualitas dan kuantitas quality and quantity of exploration data
jumlah data eksplorasi yang dimiliki oleh PT owned by PT Indomining through the current
Indomining melalui model geologi saat ini geological model are sufficiently
sudah cukup mewakili serta memenuhi representative and meet the number of
dengan jumlah distribusi titik – titik bor yang distribution of existing boreholes very well to
ada sangat baik untuk mengcover optimasi cover the optimization of coal reserves in the
cadangan batubara dalam perencanaan planning of the mining process of the PIT
proses penambangan geometri desain PIT design geometry during the period for 2025.
selama periode untuk Tahun 2025.
II. 3. PT ADIMITRA BARATAMA NUSANTARA (“ABN”)
3. 1. DAERAH EKSPLORASI 3. 1. EXPLORATION AREA
Pada Kuartal-2 2025, ABN melakukan In the 2nd 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. Selain itu juga, actual survey data. In addition, ABN
ABN menunjuk konsultan external untuk appointed an external consultant to conduct
melakukan kajian geoteknik di area Pit West a geotechnical study in the Pit West
Extension. Extension area.
Selain kegiatan eksplorasi di dalam konsesi Apart from exploration activities within the
IUP ABN, tim eksplorasi juga melakukan ABN IUP concession, the exploration team
studi prospeksi dan review terhadap potensi also carried out prospecting studies and
pengembangan bahan galian di luar IUP reviews of the potential for developing
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ABN. Pada Kuartal-2, tim eksplorasi telah minerals outside the ABN IUP. In the 2nd
menyelesaikan sebanyak 2 desk studi quarter, the exploration team completed 2 of
prospeksi terhadap potensi batubara dan 3 prospecting studies on the potential coal and
desk studi prospeksi terhadap potensi emas. 3 of prospecting studies on the potential gold.
3. 2. METODE PENGUKURAN 3. 2. MEASUREMENT METHODS
Channel sampling dilakukan dengan Channel sampling is done by mapping and
mapping dan pengukuran aktual batubara measuring the actual exposed coal
yang telah terekspos (thickness, strike, dip, (thickness, strike, dip, collar) then taking
collar) kemudian diambil sampel secara composite samples to analyze the coal
komposit untuk dilakukan analisa kualitas quality as a basis for updating the geological
batubara sebagai dasar untuk update model model along with the progress of the mine.
geologi seiring dengan kemajuan tambang. Channel sampling in Q2 2025 was carried out
Channel sampling pada Kuartal-2 2025 on seams S40, S41, S42, S44 at Pit 6.
dilakukan pada seam S40, S41, S42, S44
pada Pit 6.
3. 3. BIAYA EKSPLORASI 3. 3. EXPLORATION COSTS
Biaya Eksplorasi ABN yang dikeluarkan di ABN Exploration Costs issued in The 2nd
Kuartal-2 2025 sebagai berikut: Quarter of 2025 as follows:
Q2 2025 Year To Date
Biaya Operasional Anggaran Realisasi Anggaran Realisasi
Operating Expense Budget Realization Budget Realization
(IDR) (IDR) (IDR) (IDR)
April/ April - -
Mei/ May 222,000,000 - 888,000,000 -
Juni/ June 125,000,000 125,000,000
3. 4. PELAKSANAAN DAN 3. 4. IMPLEMENTATION AND
PENGAWASAN SUPERVISION
Kegiatan dilaksanakan & diawasi oleh Activities are carried out and supervised by
Departemen Mining section Geotech & the Department of Mining section Geotech &
Exploration Development, namun untuk Exploration Development. However, for
pelaksanaan Kajian Geoteknik Pit West Geotechnical Study Pit West Extension was
dilakukan oleh external, Tim PT Dinar Energi carried out externally by PT Dinar Energi
Utama. Utama.
3. 5. KEMAJUAN EKSPLORASI 3. 5. EXPLORATION PROGRESS
Pada Kuartal-2 2025 tidak ada kegiatan In The 2nd Quarter of 2025, there are no
pemboran eksplorasi, namun berikut exploration drilling activities, but the following
kegiatan team geologi selama Kuartal-2 are the activities of the geological team during
2025: the 2nd Quarter of 2025:
1. Melakukan kajian geoteknik Pit West 1. Conducting a geotechnical study of the Pit
Extension oleh tim external. West Extension by an external team.
2. Melakukan monitoring di area Pit Aktif, 2. Monitoring the Active Pit area, both slope
baik monitoring kestabilan lereng maupun stability monitoring and coal monitoring to
monitoring batubara untuk memantau monitor the suitability between geological
kesesuaian antara Model Geologi & models and actual in the field.
aktual di lapangan.
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3. Update Model Geologi berdasarkan data 3. Geological Model Update based on coal
roof/floor batubara dari data survey aktual roof/floor data from actual survey data and
dan dari data pemboran. drilling data.
4. Analisa kestabilan lereng di area Low 4. Analysis of slope stability in low wall pit
Wall Pit Aktif & area disposal. area active & disposal area.
5. Monitoring kestabilan lereng untuk pit dan 5. Pit and disposal slope stability monitoring
disposal dengan titik pantau prisma dan using monitoring point prism and EWS
ekstensometer EWS. extensometer.
6. Menindaklanjuti beberapa IUP yang 6. Follow up on several potential IUP for
potensial untuk dilakukan eksplorasi detailed exploration.
detail.
3. 6. RENCANA KEGIATAN 3. 6. PLANS FOR FURTHER
EKSPLORASI SELANJUTNYA EXPLORATION ACTIVITIES
Rencana ABN pada periode Kuartal-3 2025 In the 3rd Quarter of 2025, ABN has plans for
ada kegiatan pemboran depresurisasi Pit 6. depressurization drilling Pit 6. However,
Selain itu kegiatan eksplorasi dan geologi exploration activities are also focused on the
juga difokuskan pada kegiatan berikut: following activities:
1. Pengambilan sampel untuk update 1. Sampling for coal quality updates &
kualitas batubara & model geologi di area geological models in the Active Pit area.
Pit Aktif.
2. Monitoring di area Pit Aktif untuk 2. Monitoring in the Active Pit area to monitor
memantau kesesuaian antara Model the suitability between actual and
Geologi dan aktual di lapangan. Geological Models in the field.
3. Melakukan update Model Geologi 3. Update geological model based on
berdasarkan data channel sampling, data sampling channel, actual survey data and
survey aktual dan data pemboran. drilling data.
4. Rekonsiliasi antara Model Geologi 4. Reconciliation between Geological Model
terhadap data survey actual. to actual survey data.
5. Monitoring geotek di area pit & disposal. 5. Geotech monitoring in Pit & Disposal
Area.
6. Analisa kestabilan lereng pit dan disposal. 6. Slope stability analysis for Pit and
Disposal.
7. Pemasangan monitoring point untuk 7. Monitoring point installation for slope
pemantauan pergerakan lereng. movement monitoring program.
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Names mentioned 15 people and organisations named in the text · linked when the evidence is strong
unresolved
org
PT Trisensa Mineral Utama
p.2 ×5
unresolved
org
PT Indomining
p.2 ×5
unresolved
org
PT Adimitra Baratama Nusantara
p.2 ×4
unresolved
org
Menteri Investasi
p.5
unresolved
org
Koordinasi
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 ABN
p.7 ×2
unresolved
org
PT RPP Contractors Indonesia
p.7 ×2
unresolved
org
Departemen Engineering Section Geologist.
p.12
unresolved
org
Departemen Mining
p.14
unresolved
org
PT Dinar Energi
p.14
unresolved
org
PT Dinar Energi Utama.
p.14
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