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All Journal INTEK: Jurnal Penelitian Jurnal Teknik Industri Terintegrasi (JUTIN) Jurnal Teslink : Teknik Sipil dan Lingkungan Jurnal Flyover Jurnal Teknik Sipil Macca JIM: Jurnal Ilmiah Mahasiswa Pendidikan Sejarah
Musa, Ratna
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Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Education Energy Engineering Environmental Science Industrial & Manufacturing Engineering Mechanical Engineering Social Sciences Transportation

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Kajian Kinerja Pengeloaan Irigasi Oleh Perkumpulan Petani Pemakai Air Pada Daerah Irigasi Wawotobi Kab. Konawe Qasim*, Muhamad; Musa, Ratna; Asa'ad, Hanafi
JIM: Jurnal Ilmiah Mahasiswa Pendidikan Sejarah Vol 8, No 3 (2023): Juni, socio-economics, community law, cultural history and social issues
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jimps.v8i3.25722

Abstract

Tujuan Penelitian (1) Menganalisis Faktor kinerja pengelolaan irigasi oleh P3A dan (2) Menganalisis Kinerja  pengelolaan irigasi oleh P3A pada DI Wawotobi Kab. Konawe Provinsi Sultra, Metode yang digunakan Software Statistic Package For Social Science (SPSS.Ver 21). Hasil yang diperoleh pada Faktor Kinerja P3A; Faktor Variabel X1; Organisasi Kelebagaan, Variabel X2; Teknis Irigasi; Variabel X3; Teknis Pertanian dan X4; Pembiayaan, sedangkan Hasil SPSS, menunjukan, Varaibel X1; Organisasi Kelembagaan dengan koefisien pengaruh 0,410; Variabel X2; Teknis Irigasi dengan koefisien pengaruh 0,117 Variabel X3; Teknis Pertanian dengan koefisien pengaruh 0,105 dan Variabel X4: Pembiayaan dengan koefisien pengaruh 0,130 terhadap Kinerja P3A DI Wawotobi Kab. Konawe
Kajian kinerja manajemen konstruksi dalam proyek pembangunan Water Treatment Plant (WTP) 300 LPD Simoro Sulawesi Tengah Borahima, Adhim; Musa, Ratna; Watono, Watono
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 1 (2025): January
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i1.40344

Abstract

The construction of the Simoro Water Treatment Plant (WTP) in Gumbasa District, Sigi Regency, Central Sulawesi, is a complex project aimed at improving regional infrastructure. This research aims to analyze the construction management of the project by applying the Critical Path Method (CPM) and Time Cost Trade Off (TCTO) methods to enhance time and cost efficiency. The CPM method is used to identify the project's critical path and manage activities that most affect the total project duration. Meanwhile, TCTO is analyzed to optimize the additional costs needed to accelerate project completion without compromising the quality of the final results. The research results indicate that: (1) using the CPM method and Primavera software, the activities on the critical path include Start (Preparation), Cleaning and leveling work, Earth excavation work, Aggregate Base Layer B work, Earth excavation work, Aggregate Base Layer B work, Cut and Fill work, Bore Pile work (Reservoir), Earthwork (Reservoir), Pile Cap Foundation work (Reservoir), Concrete Floor work, Reservoir Tank work, Bore Pile Foundation work for Clearwell, Bore Pile Foundation work for IPA Building, Earthwork for IPA Building, Structure work for Coagulation Building, Structure work for Flocculation Building, Structure work for Sedimentation Building, Mechanical work, Electrical work, Scada Instrument, and Commissioning Test. (2) From the application of Time Cost Trade Off (TCTO) analysis, the lowest implementation cost obtained is Rp. 78,262,088,288.34 with the Crash condition of the implementation time being 913 days. This research provides significant contributions to improving construction management performance, particularly in terms of time and cost efficiency, and offers practical guidance for project managers in developing better and more effective project management strategies.
Kajian manajemen pengendalian waktu dan biaya pada proyek relokasi jalan masyarakat berdampak Bendungan Bulango Ulu Provinsi Gorontalo Irjan, Irjan; Musa, Ratna; Watono, Watono
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 1 (2025): January
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i1.40370

Abstract

This study analyzes the relationship between time and cost control in the relocation project of community roads affected by the Bulango Ulu Dam in Gorontalo Province using the Line of Balance (LoB) method. This method is applied to design a more structured work schedule, identify activity stages, and minimize potential conflicts between tasks. The study results indicate that implementing the LoB method reduces the project duration to 33 weeks (7.7 months), compared to the existing schedule of 35 weeks. The two-week time savings significantly improve time efficiency. However, this acceleration results in an increase in total project costs, primarily due to higher labor and equipment usage. Calculations show that the LoB method requires higher costs than the existing schedule. This study confirms a reciprocal relationship between time and cost: time acceleration can affect cost increases, but cost efficiency can also be achieved through more targeted planning. The application of LoB provides a more measurable solution for managing construction projects, especially those involving repetitive tasks. The success of this method depends on strict supervision and schedule adjustments based on field conditions
Analisis perilaku deformasi Bendungan Bili-Bili dengan metode penilaian berdasarkan data instrumentasi pada tubuh Bendungan Bili-Bili Makmur, Abdul; Musa, Ratna; Sar, Mas ud
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 1 (2025): January
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i1.41092

Abstract

This research aims to analyze behavior at the Bili-Bili Dam based on instrumentation data collected from the construction period to operation. The data used includes the results of measurements of horizontal deviation, changes in vertical height, and pore air pressure obtained through instruments such as sliding stakes, piezometers, and auto levels. The main focus of the research is to identify changes over time, address dam stability, and provide recommendations for mitigating the risk of structural failure. This research method involves collecting secondary data from measurement records from 1997 to 2023. Analysis was carried out using permit acceptance criteria based on ICOLD (International Commission on Large Dams) standards. The results of horizontal deviation measurements show that the largest movement occurs at the top of the dam, but is still within the design tolerance limits. Vertical measurements show the greatest elevation decrease (subsidence) in the central part of the dam, which remains in line with initial predictions based on geotechnical parameters. Meanwhile, pore water pressure measured via a piezometer shows a normal decrease in accordance with changes in reservoir water level. The research results showed that the freezing that occurred was mostly caused by consolidation of the rock fill material and hydraulic interactions between the water reservoir and the dam structure. However, several areas show anomalies that require further monitoring, especially on the left and right wings of the dam. In conclusion, the Bili-Bili Dam is still in a stable and safe condition. Recommendations include increased monitoring of area anomalies and strengthening the routine maintenance program to maintain long-term stability..
Analisis sedimentasi terhadap umur guna Bendungan Ponre-Ponre Salmiah, Endi Haskaer Hafid; Musa, Ratna; Mallombasi, Ali
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 1 (2025): January
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i1.41096

Abstract

The research involves collecting historical sedimentation data, analyzing sediment distribution, and calculating the actual capacity of the reservoir. The average annual sedimentation was recorded at 0.597 million m³, this value is five times greater than the initial prediction of 0.1 million m³ per year. The measurement results show that the reservoir storage capacity in 2023 will be 33.81 million m³, a decrease from the initial capacity of 40.4 million m³. The high rate of sedimentation is caused by factors such as changes in land use in the upstream watershed, high rainfall in the area, and soil erosion due to human activities. The impact is a significant reduction in reservoir storage capacity, reducing its useful life from initial planning to around 15 years faster. The distribution of sedimentation in the Ponre-Ponre Dam shows diverse patterns, including delta deposits in the upstream section, tapering deposits in the middle zone, and wedge-shaped deposits around the dam. This pattern reflects the distribution of coarse material which is concentrated in the upstream area, while fine material tends to settle in the downstream area. In addition, the data shows an increase in the elevation of the reservoir base due to sediment accumulation which reaches an average of 7.6 mm per year. The conclusion of this research is that sedimentation has reduced the effective capacity of the storage, thereby accelerating the reduction in the useful life of the dam. To overcome this problem, it is recommended to implement intensive land conservation in the upstream watershed, optimize reservoir operations through flushing and dredging methods, and develop a technology-based monitoring system to extend the useful life of the dam. Apart from that, collaboration between the government and the community in maintaining the upstream watershed ecosystem is the key to sustainable management of the Ponre-Ponre Dam.
Analisis sedimentasi terhadap umur guna Waduk Bili-Bili Fachriadam, Muh; Musa, Ratna; Sar, Mas ud
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 1 (2025): January
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i1.41099

Abstract

This research aims to evaluate the level of sedimentation that occurs and its impact on the reservoir capacity. The data used includes bathymetry measurements in 2023, drift and bottom sediment discharge, as well as historical sediment inflow data. Analysis was carried out to calculate sediment volume, sedimentation rate, and changes in reservoir capacity. The research results show that the Bili-Bili Reservoir experienced a significant reduction in storage capacity from 1997 to 2023. The total sedimentation that occurred reached 50 million cubic meters, reducing the storage capacity from 375 million cubic meters to 325 million cubic meters. The actual sedimentation rate of 1.5 mm per year exceeds the initial plan. This condition means that the useful life of the reservoir, which was originally designed for 50 years, is estimated to only be able to last up to 19 years of the remaining life of the existing reservoir, which is faster than the design plan life. This impact not only reduces flood control capacity but also reduces the effectiveness of water supply. standard for society. Recommendations from this research include implementing catchment area management with conservation techniques such as reforestation and land use control, increasing the frequency of sediment dredging in reservoirs, as well as using sediment control building technology to reduce the entry of sediment material into reservoirs. The results of this research provide relevant information for sustainable planning and management of reservoirs so that their function remains optimal in the future.
Model hujan-limpasan (rainfall-runoff model) untuk prediksi inflow pada Bendungan Bili-Bili Jamal, Ika Fatmawati; Musa, Ratna; Malombasi, Ali
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 1 (2025): January
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i1.41503

Abstract

This research developed a rainfall-runoff model to predict inflow at the Bili-Bili Dam and to evaluate the model's accuracy. The Soil Conservation Service Curve Number (SCS-CN) method, implemented using HEC-HMS software, was employed to construct the rainfall-runoff model. Model accuracy was assessed using three statistical indices: Nash-Sutcliffe Efficiency (NSE), Percent Bias (PBIAS), and Coefficient of Determination (R²), by comparing the predicted inflow with measured inflow data. Climatological data (rainfall) and topographic data served as model inputs, while measured inflow data provided the benchmark for validation. Model simulations for the January 14-17, 2024, flood period yielded a peak inflow of 673.6 m³/s at the Bili-Bili Dam on January 15, 2024. The model's temporal prediction aligned with the measured data, although the predicted inflow was slightly lower than the observed values. Statistical evaluation revealed good model performance, indicated by an NSE of 0.793, a PBIAS of -1.86%, and an R² of 0.81. The high NSE value signifies good agreement between predicted and measured data, while the small negative PBIAS suggests a tendency for the model to slightly underestimate inflow. The high R² value (0.81) indicates that 81% of the inflow variability is explained by the model. Despite the model's satisfactory performance, further calibration and refinement are recommended to enhance predictive accuracy, particularly in complex hydrological conditions. This research contributes to improved inflow prediction capabilities at the Bili-Bili Dam, crucial for effective water resource planning and management in the region. The findings support more informed decision-making in flood management and mitigation within the Bili-Bili watershed..
Kajian Kebutuhan Air Baku Dengan Memanfaatkan Sumber Daya Air Di Kecamatan Ampana Tete Kabupaten Tojo Una-Una Propinsi Sulawesi Tengah Muliadi; Musa, Ratna
Jurnal Teknik Sipil MACCA Vol. 5 No. 2 (2020): Jurnal Teknik Sipil MACCA
Publisher : Universitas Muslim Indonesia

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Abstract

Penelitian ini bertujuan untuk mengetahui potensi sumber air untuk memenuhi kebutuhan air baku di kecamatan Ampana tete dan memberikan solusi terkait permasalahan kebutuhan air baku yang ada. Data kependudukan dan sarana – prasarana diperoleh dari Badan Pusat Statistik (BPS) Kabupaten Tojo Una – Una, data hujan dan klimatologi diperoleh dari UPT. PSDA Wilayah III Prop. Sulawesi tengah, stasiun sy. Aminudin Amir luwuk dan UPT. BPP Urundaka Kabupaten Tojo Una – Una dan data lainnya diperoleh dari Dinas PUPR Kabupaten Tojo Una – una. Debit andalan dihitung dengan metode FJ. mock, menghitung kebutuhan air dengan membandingkan tiga metode yaitu metode Aritmatika, metode geometrik dan metode regresi linear, kemudian diproyeksikan sampai tahun 2028. Hasil analisis menunjukkan bahwa pada tahun 2028 kebutuhan air baku di kecamatan Ampana tete sebesar 73,71 liter/detik dan debit minimum sumber air yang tersedia sebesar 69,10 liter/detik. Jika air yang diolah oleh Pemerintah saat ini saja digunakan untuk keperluan air bersih, maka sampai proyeksi tahun 2028 belum mampu untuk mencukupi kebutuhan air di Kecamatan ampana tete. Sumber air baru dari sungai balanggala dan sungai Sekoi sebesar 147,2 liter/detik diprediksi mampu untuk memenuhi kebutuhan air baku di Kecamatan Ampana Tete.
Kajian Koefisien Kekasaran Manning (n) Pasangan Batu dan Beton Berdasarkan Kuantifikasi Kekasaran Hidrolis (Studi Kasus Daerah Irigasi Wawotobi Kab. Konawe Sultra) Tahir, Muh; Musa, Ratna
Jurnal Teknik Sipil MACCA Vol. 5 No. 2 (2020): Jurnal Teknik Sipil MACCA
Publisher : Universitas Muslim Indonesia

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Abstract

Jaringan Irigasi Wawotobi adalah irigasi teknik yang mengambil air dari daerah aliran sungai Konaweha. Kondisi jaringan irigasi Wawotobi mulai menurun fungsinya dan kapasitas aliran sehingga air tidak dapat terdistribusi secara merata sampai ke bagian hilir. Persamaan Manning merupakan rumus yang banyak digunakan untuk menghitung kapasitas aliran saluran terbuka dengan mengukur kecepatan aliran dan menghitung koefisien kekasaran Manning. Tujuan penelitian adalah mengetahui pengaruh kecepatan aliran, menghitung nilai koefisien kekasaran Manning (n) saluran pasangan batu dan beton pada saluran Induk dan sekunder. Variabel yang diamati dan diukur yaitu lebar saluran, lebar puncak/atas saluran, lebar dasar saluran, kedalaman air saluran, bentuk profil melintang saluran, kecepatan aliran, kemiringan saluran, dan deskripsi saluran. Metode yang digunakan adalah metode survei dan penentuan titik pengukuran dan pengamatan dengan purposive sampling yang dianalisis dengan persamaan Manning. Nilai koefisien kekasaran saluran Induk dan Sekunder Wawotobi pada bagian penampang saluran pasangan batu adalah 0,021 dan penampang saluran pasangan beton adalah 0,019.
Kajian sedimentasi Sungai Larona pada daerah aliran Sungai Larona Kabupaten Luwu Timur Syamsuddin, Syamsuddin; Musa, Ratna; Mallombassi, Ali
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 8 No. 1 (2025): January
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v8i1.42052

Abstract

Sediment produced by the erosion process and carried by water flow, will be deposited in a place where the flow rate slows down or stops. The occurrence of sedimentation can affect the morphological conditions of the river where the elevation of the river bed will decrease due to shallowing. As a result, the water capacity in the river is reduced so that it cannot maximize the function of the river. This study aims to determine the magnitude of the sediment transport rate and the volume of sediment transport in the Larona River in the Larona River Area in the Larona River located in Pongkeru Village, Malili District, East Luwu Regency, South Sulawesi Province. The results of this study indicate that the sediment rate of the Larona River was obtained at 23016.24 tons / ha / year and the volume of sediment transport in the Larona River in the Larona River Basin was obtained at 15.46 m3/year.
Co-Authors Ali , Aisyah Madiana Amalia, A. Noor Magfirah Amiruddin Annisa, Humairah Asa'ad, Hanafi Aunurrafiq Baharuddin Ali Borahima, Adhim Fachriadam, Muh Faisal, Zulvyah Febriawan Firdaus, Muh Adhi Rajha Ahmad H, Ikhwanul Muslimin Hadi, Abd Karim Hanafi Ashad Hanafi Ashad Iriani, Harbianti Rina Dwi Irjan Irjan Jamal, Ika Fatmawati Karim, Agus Salim Katili, Nining Puteri R Lambang Basri Said Latief , Andi Amin Latif, Andi Amin Mahendra, Muhammad Isra Mahyuddin, Desianti Makmur, Abdul Mallombasi, Ali Mallombassi, Ali Malombasi, Ali Maya. S. A, Jessy Ariesandy MUHAMMAD HARIS Muhidin, Abd Hamid Muliadi Nasaruddin Nirmalawaty, Dzun Poleanto, Erfan Priyanto, Rahayu Eka Qalzum, Ummu Qasim*, Muhamad Rachman, Emmy Rahmawati Rasyid, St. Kurnia Utami Riduan Rizaldy, Achmad Rusmawati Salim, Rizky Auliarahman Salmiah, Endi Haskaer Hafid Saputra, Reksa Eko Sar, Mas ud SAR, Mas'ud Sibromalisi, Achmad Rizqi Subhan, Andi Muhammad Syamsuddin Syamsuddin Syamsuddin, Aulya Purwanengsy Syamsuddin, Khusnulnisa Firda Syarif, Muhammad Yusuf Tahir, MUH Tamrin, Arisal Tanggulungan, Semuel Wahid, Awal Wahyuddin, M. Fikri Watono, Watono Wellang, Fuad Musafir Wellang, Rahma Musafir Zainal Zulmhi, Andi Muh Nizar