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Laporan Kuartalan Aktivitas Eksplorasi Quarterly Report of the Exploration Activities PT TBS Energi Utama Tbk Kuartal 3/ 3rd Quarter of 2023
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KATA PENGANTAR INTRODUCTION
PT TBS Energi Utama Tbk (“Perseroan”) PT TBS Energi Utama Tbk ("the
adalah perusahaan pertambangan batubara Company") is a coal mining company
yang melakukan kegiatan penambangan di conducting mining activities in Sangasanga
daerah Sangasanga, Kabupaten Kutai area, Kutai Kartanegara Regency, East
Kartanegara, Propinsi Kalimantan Timur, Kalimantan, which the concession area of the
dimana area konsesi ketiga anak perusahaan three subsidiaries is located side by side. All
terletak berdampingan. Seluruh infrastruktur the supporting infrastructure of mining
pendukung operasional penambangan operations such as coal hauling roads,
seperti jalan angkut batubara, perkantoran, offices, workshop, coal-only jetty and other
perbengkelan, pelabuhan khusus batubara infrastructures are located in Kutai
dan infrastruktur lainnya berada di daerah Kartanegara Regency, East Kalimantan.
Kabupaten Kutai Kartanegara, Propinsi
Kalimantan Timur.
Perseroan mempunyai 3 (tiga) anak The Company has 3 (three) subsidiaries
perusahaan yang bergerak di bidang engaged in coal mining sector, located in
pertambangan batubara, terletak di daerah Sangasanga area, Kutai Kartanegara
Sangasanga, Kabupaten Kutai Kartanegara, Regency, East Kalimantan. The company's
Propinsi Kalimantan Timur. Adapun ketiga subsidiaries are:
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 (ABN) 3. PT Adimitra Baratama Nusantara (ABN)
Dalam rangka memenuhi Ketentuan III.1.6, In order to comply with the Provisions III.1.6,
Peraturan Nomor I-E tentang Kewajiban Regulation Number I-E concerning
Penyampaian Informasi, Lampiran Information Delivery Obligations, Attachment
Keputusan Direksi PT Bursa Efek Jakarta No. to the Decree of the Board of Directors of PT
Kep-00015/BEI/01-2021 tanggal 29 Januari Bursa Efek Jakarta No.Kep-00015/BEI/01-
2021, maka bersama ini kami sampaikan 2021 dated January 21, 2021, we here jointly
Laporan Kegiatan Eksplorasi Perseroan submit the Company's Exploration Activity
untuk Kuartal 3 2023. Report for the 3rd Quarter of 2023.
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 maupung investor dalam investors as well as domestic investors. Coal
negeri. Usaha pertambangan batubara mining business has prospects as a mainstay
mempunyai prospek sebagai sektor andalan sector of oil and gas replacement in building
pengganti migas dalam membangun the economy of East Kalimantan in the future.
perekonomian Kalimantan Timur di masa It is based on available coal resources and
mendatang. Hal ini didasarkan pada sumber potentials, marketing prospects as well as
daya dan potensi batubara yang tersedia, local government policy support.
prospek pemasaran serta dukungan
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 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 batubara dengan daerah penambangan administrative mining areas including Loa secara administratif termasuk wilayah Janan District, Sangasanga, Muara Jawa, Kecamatan Loa Janan, Sangasanga, Muara Kutai Kartanegara Regency of East Jawa, Kabupaten Kutai Kartanegara Propinsi Kalimantan Province with an area of 3,414 ha Kalimantan Timur dengan Luas wilayah and regional code KTN 2010 3133 OP. TMU 3.414 ha dan kode Wilayah KTN 2010 3133 has obtained approval to conduct mining OP. TMU telah mendapat persetujuan untuk activities and sales of excavation products melakukan aktivitas penambangan dan with the Decree of the Regent of Kutai penjualan hasil galian dengan Keputusan Kartanegara Number: 540/3133/IUP-OP/MB- Bupati Kutai Kartanegara Nomor: PBAT/XII/2010 concerning approval of The 540/3133/IUP-OP/MB-PBAT/XII/2010 Production Operation Mining Business mengenai persetujuan Izin Usaha License (KTN 2010 3133 OP) dated Pertambangan Operasi Produksi (KTN 2010 December 14, 2010. 3133 OP) tertanggal 14 Desember 2010. Pada Kuartal 3 2023, pelaksanaan pekerjaan In The 3rd Quarter of 2023, the yang dilakukan oleh TMU telah menyerap implementation of work carried out by TMU tenaga kerja sebanyak 109 orang sedangkan has absorbed a workforce of 109 people untuk kontraktor dan sub-kontraktornya 720 while for contractors and sub-contractors 720 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 4900 GAR dengan average calorie of 4900 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, 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.
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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 3 2023, sumber daya manusia As of 3rd Quarter 2023, 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 sub-
kontraktor dan sub-kontraktor. Dari 338 contractors. Of those 338 people, about 80%
orang tersebut sekitar 80% merupakan are local workers to support community
tenaga kerja lokal sebagai penunjang development programs with the aim of
program community development dengan improving the welfare of the communities
tujuan 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 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. 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 Pertambangan 540/1691/IUP-OP/MB-{BAT/XII/2009 dated
Operasi Produksi Nomor: 540/1691/IUP- December 1, 2009, ABN conducts
OP/MB-{BAT/XII/2009 tanggal 1 Desember exploration, coal mining, and marketing of
2009, ABN melakukan kegiatan eksplorasi, production at its mine site.
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
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pada tahun 2008. Produk batubara ABN coal products belong to thermalcoal group termasuk dalam kelompok thermalcoal 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 < 43 (CV 4300 GAR & TS < 1) and ABN 56 HS 1), ABN 43 (CV 4300 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 PT. dilakukan pencucian (washing), hanya ABN is carried out by one main contractor, PT dilakukan proses peremukan (crushing). RPP Contractors Indonesia (RCI). Kegiatan penambangan PT. ABN dilakukan oleh satu kontraktor utama, yaitu PT. RPP Contractors Indonesia (RCI). Pada Kuartal-3 2023, sumber daya manusia In The 2nd Quarter of 2023, human resources yang terlibat dalam kegiatan operasional involved in ABN's operational activities ABN mencapai sekitar 707 orang, yang terdiri reached about 707 people, consisting of 224 dari 224 orang tenaga kerja pada ABN dan workers in ABN and 483 workers in 483 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 60 % dari kebutuhan tenaga about 60% of the labor needs, while the kerja, sedangkan sisanya sekitar 40 % remaining about 40% 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 3 2023 kegiatan eksplorasi In 3rd Quarter 2023, exploration activities will
berupa kegiatan sampling di Pit Aktif yaitu pit be in the form of sampling activities in Active
B3KL, Pit B2A dan pit 5B36. Kegiatan Pits, namely pit B3KL, Pit B2A and pit 5B36.
Trenching di area pit B2A bagian Timur. Trenching activities at pit B2A east.
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.Pit B3KL dengan value. B3KL pit coal sampling activities with
seam target adalah seam K40, K30EU, seam target are K40, K30EU, K30EL, K50,
K30EL, K50, K40A, sampling di pit B2A K40A,.Sampling in B2A pit with seam target
dengan seam target seam CA, C10, CA1, are CA, C10, CA1, CB, B10, B pit 5B36 with
CB, B10, B pit 5B36 dengan seam 45, 46, 48. seam 45, 46, 48.
Kegiatan trenching yang bertujuan untuk Trenching activities that aim to find potential
mencari area pit baru yang potensial untuk new pit areas for mining. The target seam are
dilakukan penambangan. Seam targetnya 46.
adalah seam 46.
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 di temukan. 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 di lakukan 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.
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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 coal
yang akan di ambil (getting). 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 openings
baru/seam yang pertama kalinya akan di / seam the first time will be in getting. The
getting. Adapun plan penambangan mining plan until the end of the year is
sampai dengan akhir tahun di targetkan targeted at seam with calorie value (ar)_g
pada seam dengan nilai Calori (ar)_g di above 4700.
atas 4700.
1. 3. BIAYA EKSPLORASI 1. 3. EXPLORATION COSTS
Biaya Eksplorasi TMU yang dikeluarkan di TMU Exploration Costs incurred in The 3rd
Kuartal 3 2023 sebagai berikut: Quarter of 2023 as follows:
Q3 2023 Year To Date
Biaya Operasional Anggaran Realisasi Anggaran Realisasi
Operating Expense Budget Realization Budget Realization
(IDR) (IDR) (IDR) (IDR)
Biaya Eksplorasi
120,000,000 40,000,000 420,000,000 362,500,000
Exploration Costs
Catatan: Note:
Jumlah sampling di Kuartal 3 2023 berjumlah 16 The number of samplings in The 3rd Quarter 2023
sampel. 15 hasil sampling di pit dan 1 hasil amounted to 16 samples. 15 sampling result in
sampling trenching. the pits and 1 are trenching sampling result
Biaya Eksplorasi untuk tahun 2023 yang Exploration Cost for 2023 in accordance with
sesuai dengan RKAB 2023 bagian geologi RKAB 2023 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
mengunakan unit PC 200 biayanya accommodate to production department for
dimaksukan ke departement 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
Geologist TMU. TMU’geologist.
1. 5. KEMAJUAN EKSPLORASI 1. 5. EXPLORATION PROGRESS
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Kesimpulan Eksplorasi TMU Kuartal 3 Conclusion of TMU Exploration in The 3rd
2023 Quarter of 2022
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 20 m 1. Distance between sampling points
per seam searah strike bukaan batubara maximum 20 m per unidirectional strike
yang akan di ambil (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 di targetkan is targeted at seam with calorie (ARB)
pada seam dengan nilai Calori (ARB) GAR value above 4700.
GAR di atas 4700.
4. Selama Kuartal 3 2023, kegiatan berupa 4. During Quarter 3 2023, activities in the
sampling pit aktif yaitu di pit B2A dengan form of active pit sampling are in pit B2A
seam target adalah seam C10, CA, CB, with seam targets are seam C10, CA, CB,
CA1, B10, B. Sampling di pit B3KL CA1, B10, B.Sampling in the B3KL pit
dengan seam target adalah seam K40, with target seam is seam K40, K30EU,
K30EU, K30EL, K50. Pit 5B36 seam 45, K30EL, K50. Pit 5B36 seam 45, 46, 48.
46, 48.
5. Rata – rata hasil analisa kualitas dari 5. The average quality analysis results of
seam –seam tersebut di atas TM 19.54 the seam -seam above TM 19.54%, ASH
%, ASH 2.81 %, TS 1.21 % dan nilai CAL 2.81%, TS 1.21% and CAL (ar) values
(ar) 5.526. 5.526.
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
2023: 2023:
1. Trenching di luar Rencana PIT yang di Plan 1. Trenching outside the PIT Plan that is
kan oleh tim Engineering di tiadakan dan planned by the Engineering team is not in
sebagai penggantinya adalah trenching di place and in lieu of trenching is done in the
lakukan di plan pit yang data trenchingnya plan pit whose trenching data is lacking or
kurang atau tingkat confidence confidence level of continuity, seam
kemenerusan, ketebalan seam di pit thickness in the pit is still lacking.
tersebut masih kurang.
2. Memonitoring adanya anomali pada suatu 2. Monitoring the presence of anomalies in
bukaan PIT yang aktif. an active PIT aperture.
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3. Tim geologist akan melakukan sampling 3. 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 Sulphur di seam –seam ber value of Total Sulphur in seam -seam with kalori tinggi baik kearah down dip maupaun high calories both towards down dip kearah strike nya. maupaun towards his strike. 4. Memonitoring kualitas dari seam –seam 4. Monitoring the quality of seam -seam that yang tertambang di bulan Oktober – is mined in October until December 2023, Desember 2023 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. 5. Update data kualitas berdasarkan 5. Quality data update based on mining kemajuan penambangan pada seam– progress on seam–seam target in seam target di bulan sebelumnya. previous month. 6. Rencana kegiatan pengeboran eksplorasi 6. The plan for exploration drilling activities di tahun 2023 sebanyak 78 titik bor atau in 2023 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. 7. Rencana kegiatan pengeboran geoteknik 7. The plan for geotechnical drilling activities di tahun 2023 sebanyak 5 titik pemboran in 2023 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 3 2023, IM tidak ada kegiatan In the 3rd Quarter of 2023, 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. Pemboran geoteknik dilakukan juga dengan Geotechnical drilling is also carried out using menggunakan metode Standart 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.
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2. 3. BIAYA EKSPLORASI 2. 3. EXPLORATION COSTS
Biaya Eksplorasi IM yang dikeluarkan di IM Exploration Costs incurred in the 3rd
Kuartal 3 2023 sebagai berikut: Quarter of 2023 as follows:
Q3 2023 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 2023 belum ada kegiatan As of The 3rd Quarter of 2023, 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 1. Updating the Geological model based on
model 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, 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 12-13 & sekitarnya at the pit AB location Block 12-13 &
untuk keperluan pembuatan data channel surrounding areas for the purposes of
sampling untuk support pembaharuan / making data sampling channels to
updating model Geologi dan variasi support the renewal / updating of
kualitas batubara dari coal inventory yang geological models and variations in the
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 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.
Page 13
2. 6. RENCANA KEGIATAN 2. 6. PLANS FOR FURTHER
EKSPLORASI SELANJUTNYA EXPLORATION ACTIVITIES
IM pada periode Kuartal 4 2023 belum IM for 4th Quarter of 2023 doesn’t have
merencanakan melakukan aktifitas kembali planned to resume further exploration drilling
pengeboran eksplorasi lanjutan, baik itu activities, be it infill drilling or Geotechnical
pengeboran infill maupun pengeboran drilling in IM concession area.
Geoteknik di area konsesi IM.
Adapun untuk rencana kegiatan eksplorasi As for the IM exploration activity plan in 2023,
IM tahun 2023, Sehubungan dengan rencana in connection with the mining optimization
pengoptimalan penambangan pada pit utama plan at the Indomining main pit to a depth of
Indomining hingga kedalaman RL-175 meter RL-175 meters according to the Mine Plan
sesuai target Mine Plan untuk pit AB dan target for pit AB and in order to optimize the
dalam rangka mengoptimalkan mineable mineable reserve potential seams, where
reserve seam-seam potensial, dimana several potential seams in pit area still needs
beberapa seam-seam potensial di dalam to be known continuity up to the lower limit
area pit masih perlu diketahui kemenerusan (down dip) of the pit plan and lateral
hingga sampai batas bawah (down dip) dari continuity, the company intends to conduct
rencana pit dan kemenerusan lateral, maka infill drilling activities to increase the accuracy
perusahaan bermaksud mengadakan of drilling data in the pit area to the lower limit
kegiatan pemboran infill untuk menambah of the pit plan where some potential seams
akurasi data pemboran pada area pit hingga from roof & floor data indicated that there was
batas bawah rencana pit dimana beberapa thinning or pinch out laterally and/or down
seam potensial dari data roof & floor dip.
terindikasi ada yang mengalami penipisan
atau pinchout secara lateral dan atau down
dip.
Sedangkan, tujuan dari kegiatan pemboran Meanwhile, the purpose of the infill drilling
infill adalah untuk menambah keyakinan activity is to increase the confidence of the
batas penyebaran lateral dari seam-seam lateral spreading limit of potential seams that
potensial yang mengalami pinchout, has been pinch out, increase confidence in
menambah keyakinan kemenerusan serta continuity and determine the thickness of the
mengetahui ketebalan lapisan kearah layer towards the down dip which is indicated
downdip yang terindikasi mengalami to be thinning to the planned lower pit limit,
penipisan hingga rencana batas bawah pit, and maximize the mineable reserve of
serta memaksimalkan mineable reserve potential seams, and validate the update of
seam-seam potensial, dan mem-validasi the Geology model from the update of adding
update model Geologi dari pembaruan infill drilling data.
penambahan data pemboran infill.
Pemboran infill pada area pit AB Infill drilling in the pit AB area is planned to be
direncanakan dilakukan sebanyak 10 titik bor carried out as many 10 boreholes with a
dengan kedalaman lubang pemboran maximum drilling hole depth of 100 meters
maksimal 100 meter dengan total meter yang with a total required meter of 1000 meters.
diperlukan adalah sebanyak 1000 meter. The work is planned to be carried out using a
Pekerjaan tersebut rencananya akan minimum of 2 units of Jacro 300 rigs or the
dikerjakan dengan menggunakan minimal 2- like. This infill drilling project will be carried
unit rig tipe Jacro 300 atau yang sejenis. out using the vertical touch coring drilling
Proyek pemboran infill ini akan dilakukan method and equipped with geophysical
dengan menggunakan metode pemboran logging up to the drilling depth target.
touch coring vertikal dan dilengkapi dengan
geophysical logging sampai dengan target
kedalaman pemboran.
Page 14
II. 3. PT ADIMITRA BARATAMA NUSANTARA (“ABN”)
3. 1. DAERAH EKSPLORASI 3. 1. EXPLORATION AREA
Pada Kuartal 3 2023, ABN melakukan In the 3rd Quarter of 2023, ABN conducted
pemboran infill di area Pit NW & pemboran infill drilling in Pit NW & geotech drilling Pit 6,
geotek Pit 8 and update model geologi and geological model updates based on
berdasarkan data bor, channel sampling drilling data, channel sampling data as well as
serta data roof & floor aktual dari hasil actual roof & floor data from survey
pengukuran survey, serta melakukan measurement results, as well as reconciling
rekonsiliasi model geologi terhadap data geological models to actual survey data.
survey aktual.
3. 2. METODE PENGUKURAN 3. 2. MEASUREMENT METHODS
Pemboran infill di area Pit NW & Pit 6 Infill drilling in Pit NW using vertical open hole
menggunakan metode pemboran open hole method & geotech drilling Pit 8 using incline
secara vertical & pemboran geotek Pit 8 full coring method.
menggunakan metode pemboran full coring
secara vertical.
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 update
batubara sebagai dasar untuk update model in line with the progress of the mine. Channel
geologi seiring dengan kemajuan tambang. sampling in the 3rd Quarter of 2023 was
Chanel sampling pada kuartal 3 dilakukan conducted at seam S19, S29U, S29L, S30,
pada seam S19, S29U, S29L, S30, S35, S36 S35, S36 Pit 4 & S37, S38, S39, S43U, S44
Pit 4 & S37, S38, S39, S43U, S44 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 2023 sebagai berikut: Quarter of 2023 as follows:
Q3 2023 Year To Date
Biaya Operasional Anggaran Realisasi Anggaran Realisasi
Operating Expense Budget Realization Budget Realization
(IDR) (IDR) (IDR) (IDR)
Juli/ July - 388,125,500 2,293,275,000 917,164,500
Agustus/ August - 487,394,500 2,293,275,000 1,404,559,000
September/ September - 70,000,000 2,293,275,000 1,474,559,000
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. Exploration Development.
3. 5. KEMAJUAN EKSPLORASI 3. 5. EXPLORATION PROGRESS
Kemajuan kegiatan pemboran pada Kuartal Drilling progress in 3rd Quarter of 2023, in Pit
2023 di Pit NW & Pit 8 telah mencapai 4 & Pit 6 has reached 100,63% of the total
Page 15
100,63% dari total rencana 1.360 meter. Di planned 1.360 m. In Pit NW, 15 drill holes
Pit NW telah selesai 15 titik bor dengan have been completed with a depth of
kedalaman 1.208,50 meter. Sedangkan di Pit 1.208,50 m. while in Pit 8, 3 drill holes have
8 telah selesaii 3 titik bor dengan total been completed with a total depth of 160,00
kedalaman 160,00 meter. m,
Selain kegiatan pemboran, berikut kegiatan Besides the drilling activities, following are
team geologi selama Kuartal 3 2023 : the activities of the geological team during
The 3rd Quarter of 2023:
1. Melakukan monitoring di area Pit Aktif, 1. 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.
2. Update Model Geologi berdasarkan data 2. Geological Model Update based on coal
roof/floor batu bara dari data survey roof/floor data from actual survey data
actual dan dari data pemboran. and drilling data.
3. Analisa kestabilan lereng di area Low 3. Analysis of slope stability in low wall pit
Wall Pit Aktif & area disposal. area active & disposal area.
4. Monitoring kestabilan lereng untuk pit dan 4. Pit and disposal slope stability monitoring
disposal dengan titik pantau prisma dan using monitoring point prism and EWS
ekstensometer EWS. ekstensometer.
5. Review dan validasi analisa kestabilan 5. Review and validate slope stability
lereng yang dilakukan oleh konsultan. analysis conducted by consultant.
3. 6. RENCANA KEGIATAN 3. 6. PLANS FOR FURTHER
EKSPLORASI SELANJUTNYA EXPLORATION ACTIVITIES
Rencana ABN pada periode Kuartal 4 2023 In the 4th quarter of 2023, ABN has no plans
tidak ada rencana kegiatan pemboran. Selain for drilling activities. However, exploration
itu kegiatan eksplorasi dan geologi activities are focused on the following
difokuskan pada kegiatan berikut: activities :
1. Pengambilan sample 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.
Page 16
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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