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All Journal Bulletin of Scientific Contribution : Geology LaGeografiA Sultra Civil Engineering Journal (SCiEJ) Jurnal Rekayasa Geofisika Indonesia Sultra Jurnal Pengabdian Masyarakat
Makkawaru, Andi
Universitas Sulawesi Tenggara
Agriculture, Biological Sciences & Forestry Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Physics Social Sciences Transportation Other

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Interpretation of the Geological Romance of Kendari Bay Using Landsat 5 TM Makkawaru, Andi; Sideng, Uca; Sufrianto, Sufrianto
LaGeografia Vol 20, No 1 (2021): October
Publisher : UNIVERSITAS NEGERI MAKASSAR

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1234.396 KB) | DOI: 10.35580/lageografia.v20i1.24033

Abstract

Kendari Bay is part of Kendari City. Kendari Bay is a city landmark in addition to its economic and environmental functions.. The condition of Kendari Bay is experiencing a fairly high sedimentation problem, so that it begins to cause problems with land availability and space utilization patterns in the Kendari Bay area. The endogenous process of dynamic earth activities is a part that needs to be considered in managing that problems. This study aims the geological conditions of Kendari Bay by using remote sensing as a form of studying the geological conditions of Kendari Bay. Using Landsat 5 TM imagery in 1990, it was used to see the natural geological conditions of Kendari Bay, using the false color composite method and interpretation of photo images visually and validated through field observations. Landsat image processing and interpretation using Quantum GIS, resulted in Kendari bay can be divided into several physiography, namely coastal zone, estuary zone, fluvial zone, plain zone, hill zone, and mountain zone (Head land). The physiography can be seen from the geological characteristics such as the lithology which is composed of alluvial deposits to limestone. The results of interpretation of composite color images and validation of direct observation data in the field show a qualitative suitability.
Analisis Morfometri Sub-DAS Lahundape Sebagai Penyebab Proses Sedimentasi di Teluk Kendari Suryawan Asfar; Ali Okto; Andi Makkawaru; Isran Naim
Jurnal Rekayasa Geofisika Indonesia Vol 1, No 03 (2019): Edisi Desember JRGI (Jurnal Rekayasa Geofisika Indonesia)
Publisher : Jurnal Rekayasa Geofisika Indonesia

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Abstract

The Lahundape Sub-watershed is located in the area of Kendari City and Konawe District. Some of the problems that occur in the Kendari Bay region include siltation caused by sedimentary materials from all rivers that lead to Kendari Bay, one of which is the Lahundape River. One type of analysis that can be used to solve problems that arise is to do morphometric analysis. From the results of data processing and analysis found that the Lahundape Sub-watershed has a drainage density (Dd) of 11.6 km/km2, a very high stream frequency (Fs) value of 131.66, a drainage texture of 38.63, a factor of shape of 0.146 so that it can be grouped into elongated watersheds, roundness ratio values of 0.155 or Rc value <0.5, elongation ratio values of 0.216, surface flow lengths of 5.810 km, basin reliefs of 5.32 km or 5.324 meters, values of relief ratio of 0.77 and the roughness value of the Lahundape Sub-watershed is 61.82. So it can be concluded that the Lahundape Sub-watershed has a river flow that flows through rocks with soft resistance, so the transport of sediment transported will be greater than that the Lahundape Sub-watershed has sloping conditions that are quite sloping and high enough relief so it will tend to contribute on erosion and will later result in loss of sediment deposits in the sub-watershed area.
Analisis Aspek Linier Morfometrik Sub-DAS Lahundape Menggunakan Teknologi Sistem Informasi Geografis (SIG) pada Wilayah Kota Kendari Suryawan Asfar; Ali Okto; Andi Makkawaru; Mirnayanti Karim
Jurnal Rekayasa Geofisika Indonesia Vol 1, No 02 (2019): Edisi Agustus JRGI (Jurnal Rekayasa Geofisika Indonesia)
Publisher : Jurnal Rekayasa Geofisika Indonesia

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Abstract

This research activity was carried out in the Lahundape Sub-watershed, using morphometric linear analysis where the analysis was carried out by extracting river networks using digital elevation data, namely Digital Elevation Model (DEM). From the results of data processing and analysis which found that the area of the Lahundape Sub-basin reaches 6.97 km2, the circumference of the Lahundape Sub-basin area reaches 23.74 km, the length of the Lahundape Sub-watershed reaches 6.91 km, the width of the Lahundape Sub-Basin reaches 1.01 km. The Lahundape Sub-watershed has a total of 5 river orders with a total number of rivers as much as 917, the length of the river flow The Lahundape Sub-watershed has increased in order 1 and decreased to order 5, with an average value of river length between 0.06 km up to 0.78 km and the total Lsm value reaches 1.73 km. The length of the river flow ratio of each order has increased were for the 2nd order/1st order (II/I) of 0.45 km, 3rd order/2nd order (III/II) of 0.46 km, 4th order/3rd order (IV/III) of 0.72 km, 5th order/4th order (V/IV) of 0.87 km. The Lahundape Sub-watershed river branching ratio has an average value of 3.42, where for the value of 1st order/2nd order of 4.72, 2nd order/3rd order of 4.31, 1st order 3/4th order of 2.92, and for 4thorder/5th order of 1.71.
KONDISI TEKTONIK RENCANA TAPAK BENDUNGAN PELOSIKA BERDASARKAN ANALISIS CITRA SATELIT DAN SISTEM INFORMASI GEOGRAFIS Sukiyah, Emi; Jaassin, Andi Makkawaru
Bulletin of Scientific Contribution Vol 17, No 2 (2019): Bulletin of Scientific Contribution : GEOLOGY
Publisher : Fakultas Teknik Geologi Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (509.301 KB) | DOI: 10.24198/bsc.v17i2.23010

Abstract

ABSTRAKBendungan Pelosika direncanakan memiliki kapasitas tampung air sebesar 822,26 m3 dengan luas lahan genangan 160.000 hektar. Keberadaan bendungan diharapkan dapat mengurangi debit banjir sebesar 10,359 m3/detik, menyediakan air baku dengan debit sebesar 0,20 m3/detik dan dapat membangkitkan listrik sebesar 10 MW. Konstruksi Bendungan tipe Rock Fill Dam berlokasi di Sungai Konaweha yang merupakan salah satu sungai terbesar di Sulawesi Tenggara. Irigasi untuk lahan seluas 20.040 Ha di Kabupaten Kolaka Timur dan Konawe diharapkan dapat terpenuhi. Geomorfologi lokasi rencana Bendungan Pelosika terdiri dari Pegunungan dan pedataran. Wilayah ini tersusun oleh batuan metamorfik berumur Paleozoikum dan endapan aluvium berumur Kuarter. Studi awal kondisi tektonik lokasi rencana Bendungan Pelosika menggunakan pendekatan morfometrik berdasarkan analisis indeks rasio lebar dan tinggi lembah (Vf) dan sinusitas muka gunung (Smf). Pengolahan citra satelit dan Sistem Informasi Geografis (SIG) digunakan dalam metode penelitian. Variabel morfometrik dan data indikasi tektonik diperoleh dari hasil pengolahan citra Landsat 8 OLI dan SRTM 30 m. Hasil analisis kelurusan geomorfologi menunjukkan arah umum UBL-STG yang berimpit dengan sesar-sesar yang ada di wilayah tersebut. Elevasi tertinggi berada pada 2.852 mdpl dan elevasi terendah -100 mdpl. Daerah Aliran Sungai (DAS) seluas 715.041 Ha dengan panjang total sungai sekitar 145,85 Km. Analisis morfotektonik pada empat lokasi terpilih menunjukkan nilai Vf antara 0,25 hingga 0,75 dan nilai Smf antara 1,06 hingga 1,17. Berdasarkan hasil analisis kedua variabel morfotektonik tersebut diketahui bahwa daerah rencana dudukan Bendungan Pelosika berada di daerah dengan kondisi tektonik menengah hingga aktif.Kata Kunci: Bendungan Pelosika, morfometrik, tektonik, citra satelit, SIGABSTRACTPelosika Dam is planned to have a water holding capacity of 822.26 m3 with an inundation area of 160,000 hectares. This dam is planned to reduce flood discharge by 10.359 m3 / second, provide raw water with a discharge of 0.20 m3 / second and can generate electricity by 10 MW. The Rock Fill Dam type of construction is located on the Konaweha River which is one of the largest rivers on the mainland of Southeast Sulawesi. It is also expected to be able to flow through irrigation of 20,040 hectares in the districts of East Kolaka and Konawe. Regionally, geomorphology is in the form of mountains and plain. The constituent rocks are Paleozoic metamorphic rocks and Quaternary alluvium deposits. The initial study of tectonic conditions of the Pelosika Dam site plan uses a morphometric approach based on the analysis of the valley width and height ratio (Vf) and sinuosity mountain front (Smf). Satellite imagery processing and Geographic Information Systems (GIS) are used in research methods. Morphometric variables and tectonic indication data obtained from Landsat 8 OLI and SRTM 30 m imageries processing. The results of the geomorphological lineament analysis indicate that the general direction is North Northwest - South Southeast which coincides with faults in the region. The highest elevation was 2,852 meter after sea level and the lowest elevation was -100 meter after sea level. Watershed covering an area of 715,041 hectares with a total river length of around 145.85 kilo meters. Morphotectonic analysis at four selected locations showed a Vf value between 0.25 to 0.75 and a Smf value between 1.06 to 1.17. Based on the results of the analysis of the two morphotectonic variables, it is known that the Pelosika Dam area designation is in an area with medium to active tectonic conditions.Key words: Pelosika Dam, morphometric, tectonic, satellite imagery, GIS
Peningkatan Kapasitas Masyarakat Dalam Perencanaan Infrastruktur Sederhana di Kelurahan Benu-Benua Kota Kendari Lakawa, Irwan; Hujiyanto, Hujiyanto; Sufrianto, Sufrianto; Ilham, Vickky Anggara; Makkawaru, Andi; Saputra, Komang Agus; Setiawan, Andi Kukuh
Sultra Jurnal Pengabdian Masyarakat Vol 1 No 2 (2025): Sultra Jurnal Pengabdian Masyarakat
Publisher : Universitas Sulawesi Tenggara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54297/sjpm.v1i2.877

Abstract

Kelurahan Benu-Benua, terletak di Kecamatan Kendari Barat, Kota Kendari, merupakan kawasan urban dengan pertumbuhan pesat yang memicu kebutuhan akan perencanaan dan pengelolaan infrastruktur sederhana. Tantangan utama yang dihadapi meliputi penyediaan akses jalan lingkungan, saluran drainase, fasilitas sanitasi, dan ruang publik yang mendukung aktivitas warga. Untuk menjawab kebutuhan ini, kegiatan pengabdian kepada masyarakat bertajuk "Peningkatan Kapasitas Masyarakat Dalam Perencanaan Infrastruktur Sederhana di Kelurahan Benu-Benua Kota Kendari" dilaksanakan dengan tujuan meningkatkan kapasitas masyarakat dalam merencanakan, melaksanakan, dan memelihara infrastruktur sederhana berbasis kebutuhan lokal. Melalui pelatihan, pendampingan teknis, dan simulasi perencanaan, kegiatan ini berhasil menciptakan dampak positif berupa peningkatan pemahaman masyarakat terhadap perencanaan berbasis teknologi sederhana. Selain itu, partisipasi aktif masyarakat bersama aparat kelurahan dalam proses perencanaan dan pelaksanaan pembangunan menunjukkan keberhasilan dalam membangun kolaborasi yang efektif. Hasil kegiatan ini memberikan kontribusi jangka panjang terhadap pembangunan berkelanjutan di Kelurahan Benu-Benua melalui peningkatan kapasitas masyarakat untuk terlibat aktif dalam pembangunan secara mandiri dan partisipatif.
Penyuluhan Budidaya Magot untuk Pakan Ternak dan Mengurangi Limbah Sampah Makkawaru, Andi; Hajar, Hajar; Sasmita, Farra; Sufrianto, Sufrianto; Danggi, Erni
Sultra Jurnal Pengabdian Masyarakat Vol 2 No 1 (2025): Sultra Jurnal Pengabdian Masyarakat
Publisher : Universitas Sulawesi Tenggara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54297/sjpm.v2i1.1260

Abstract

Kegiatan Pengabdian kepada Masyarakat (PKM) dengan judul Penyuluhan Budidaya Magot untuk Pakan Ternak dan Mengurangi Limbah Sampah dilaksanakan di Desa Lahotutu, Kecamatan Wonggeduku Barat, Kabupaten Konawe, bekerja sama dengan Koperasi Produsen Bumi Maggot Mandiri. Kegiatan ini bertujuan memberikan solusi terhadap dua persoalan mendasar, yaitu tingginya volume limbah organik yang belum terkelola dan mahalnya biaya pakan ternak. Metode yang digunakan meliputi tahap persiapan, penyuluhan, pelatihan teknis melalui demonstrasi plot (demplot), pendampingan, serta evaluasi. Penyuluhan memberikan pemahaman tentang manfaat magot sebagai agen biokonversi, sementara pelatihan teknis menekankan keterampilan praktis dalam budidaya magot. Pendampingan dilakukan untuk memastikan peserta mampu mengaplikasikan ilmu yang diperoleh, sedangkan evaluasi menilai peningkatan pengetahuan dan dampak kegiatan terhadap pengelolaan limbah serta biaya pakan. Hasil kegiatan menunjukkan peningkatan signifikan pada pengetahuan dan keterampilan masyarakat. Magot terbukti mampu mengurangi volume sampah organik sekaligus menjadi pakan alternatif berprotein tinggi bagi unggas dan ikan. Kegiatan ini juga memperkuat kapasitas kelembagaan koperasi dalam mengelola unit usaha produktif berbasis magot. Dengan demikian, PKM ini berhasil memberikan manfaat ekologis, ekonomis, dan sosial, serta mendukung pencapaian Tujuan Pembangunan Berkelanjutan (SDGs)
Cost Evaluation and Analysis Of Occupational Safety And Health (K3) Implementation In The Poleang Central Market Development Project Janwar, M. Awal Rafli; Makkawaru, Andi; Sufrianto, Sufrianto; Hado, Hado
Sultra Civil Engineering Journal (SCiEJ) Vol 4 No 1 (2023): Sultra Civil Engineering Journal (SCiEJ)
Publisher : Universitas Sulawesi Tenggara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54297/sciej.v4i1.462

Abstract

Occupational Safety and Health (K3) issues in general in Indonesia are often neglected. This is indicated by the still high number of work accidents. This general problem regarding K3 also occurs in construction operations. The construction service sector is one of the sectors most at risk of work accidents. Loss of life, material, money and time are the consequences which of course will directly hinder the implementation of construction projects. Occupational safety and health aims to create conditions that support work comfort for workers. Occupational Health and Safety (K3) is often neglected, because it is considered a waste of time, moreover it costs a lot of money for (K3). Therefore, planning for Occupational Safety and Health Costs in Building Construction Projects is required. The total cost for the construction of the Poleang Central Market in Bombana district is IDR 39,927,000,000. Meanwhile, the cost allocation for the application of occupational safety and health (K3) required in the Development of the Poleang Central Market in Bombana Regency is Rp. 84,150,000.00 (0.211%). Based on observational data obtained in the field, the implementation of occupational safety and health (K3) in the Poleang Central Market development project is generally good
Pemodelan 2D Daerah Rawan Banjir Sungai Lepo – Lepo Kota Kendari Ilham, Vickky Anggara; Makkawaru, Andi; Sudardjat, Catrin; Rahmadhani Asana, Annur
Sultra Civil Engineering Journal (SCiEJ) Vol 5 No 1 (2024): Sultra Civil Engineering Journal (SCiEJ)
Publisher : Universitas Sulawesi Tenggara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54297/sciej.v5i1.551

Abstract

Research was carried out to see the potential for flooding through Computational Fluid Dynamic simulations, namely a set of methodologies that allow computers to provide numerical simulations of fluid flow. The entire system is transformed into virtual form, and can be visualized via computer. Components in fluid dynamic computing include selection of mathematical models, discretization, numerical analysis schemes, numerical solutions and representation of processes numerically and graphically. Flood mapping can provide information about which areas need special attention so that it can be used as a reference in making policies related to flood management and can be used to increase wider public awareness regarding floods. The HEC-RAS permanent flow module is able to take into account the influence of various flow obstacles, such as bridges, culverts, bends, or obstacles on riverbanks. The permanent flow module is designed for use in riverbank management environments and the determination of flood risk insurance regarding the determination of riverbanks and floodplains. The permanent flow module can also be used to estimate changes in water level due to channel improvements or embankment construction. HEC-RAS permanent flow special module features include double plan analysis, double profile calculation, double culvert or gate analysis, flow optimization, and stable channel design and analysis. From the simulation results and depth classification, information on the area of inundation and areas prone to flood inundation on the Lepo-Lepo River is 29.34 Ha.
Kinerja Waktu Pelaksanaan Proyek Pekerjaan Jalan Di Kabupaten Kolaka Utara (Studi Kasus Jalan Poros Lasusua Desa Totallang) Sufrianto, Sufrianto; Ilham, Vickky Anggara; Makkawaru, Andi; Ilahi, La Ode Altakdir
Sultra Civil Engineering Journal (SCiEJ) Vol 5 No 2 (2024): Sultra Civil Engineering Journal (SCiEJ)
Publisher : Universitas Sulawesi Tenggara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54297/sciej.v5i2.696

Abstract

The aim of the research is to find out or predict how much a project will cost during implementation and to find out the effectiveness of project control using the Earned Value Method. To overcome existing problems, an Earned Value method is used. There are two parameters or indicators used for analysis, namely BCWS, BCWP. Delay deviations can be identified by looking at the Schedule Variance (SV). This method can also be used to determine the efficiency of resource use in the form of the schedule performance index (SPI). The project implementation time aspect has a negative value up to the 12 th week of (SV) -Rp. 44,776,771.84 or schedule performance index (SPI) = 0.82 < 1. The calculation results are obtained from an effectiveness value of 0.85 for controlling project time using the Method Earned Value. In other words, the results of an effectiveness value that is smaller than 1 (one) can be said to be that the Time Performance for the Implementation of the Concrete Pavement Road Work Project in North Kolaka Regency is less effective. From the results of the time performance study using the Earned Value Method, it can be concluded that the Time Performance for the Implementation of the Concrete Pavement Road Work Project in North Kolaka Regency experienced a delay from the initial plan. It is clear that in weeks 1 to 12 the project performance was delayed from the planned schedule
Co-Authors Ali Okto Emi Sukiyah Erni Danggi Hado, Hado Hajar Hajar Hujiyanto, Hujiyanto Ilahi, La Ode Altakdir Ilham, Vickky Anggara Isran Naim Janwar, M. Awal Rafli Lakawa, Irwan Mirnayanti Karim Rahmadhani Asana, Annur Saputra, Komang Agus Sasmita, Farra Setiawan, Andi Kukuh Sudardjat, Catrin Sufrianto, Sufrianto Suryawan Asfar Uca Sideng