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All Journal Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa Dan Inovasi Jurnal Median Arsitektur dan Planologi
Prihananto Setiadji
Universitas Cenderawasih
Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Social Sciences Transportation

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STRATEGI PENGELOLAAN WILAYAH PESISIR KABUPATEN SARMI DALAM UPAYA MITIGASI TSUNAMI Danang Pamuji; Prihananto Setiadji; Enos Karapa
Jurnal MEDIAN Arsitektur dan Planologi Vol 13 No 1 (2023): Jurnal Median
Publisher : Universitas Sains dan Teknologi Jayapura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58839/jmap.v13i1.1248

Abstract

Distrik Sarmi merupakan ibukota Kabupaten Sarmi yang mempunyai tatanan tektonik cukup kompleks. Letak geografis yang berada dekat dengan zona subduksi utara Papua di Samudera Pasifik membuat Distrik Sarmi terindikasi ancaman tinggi bencana tsunami. Kepadatan penduduk serta aktivitas perekonomian di Distrik Sarmi akan menambah tingkat kerentanan jika suatu saat terjadi bencana tsunami. Penelitian ini bertujuan untuk mengidentifikasi tingkat kerentanan bahaya tsunami dan menentukan strategi pengelolaan pesisir untuk mitigasi tsunami di Distrik Sarmi dengan menggunakan metode AHP. Perangkat lunak COMCOT (Cornell Multi-grid Coupled Tsunami Model) digunakan untuk melakukan pemodelan tsunami dengan sumber data sekunder dari historis kejadian gempa bumi dan tsunami di Papua. Dengan skenario sumber gempa bumi kekuatan maksimal M8,7, COMCOT memodelkan waktu tiba gelombang tsunami di pesisir antara 5 – 20 menit dan jarak landaan dapat mencapai maksimum 3 Km ke daratan. Dari hasil peta bahaya tsunami di Distrik Sarmi, 4 kampung/kelurahan berpotensi terkena landaan gelombang tsunami dengan run up sampai dengan 6 meter dan strategi pengelolaan pesisir dalam mitigasi tsunami di Distrik Sarmi harus berwawasan lingkungan dengan alternatif strategi berupa penanaman hutan mangrove.
Analisis Keandalan Pembangkit Listrik Tenaga Mini Hidro Orya-Genyem Berdasarkan Load of Loss Probability Anne Sihombing; Joni Joni; Yane Ansanay; Enos Karapa; Herbert Innah; Prihananto Setiadji; Johni Jonatan Numberi; Tiper K. M. Uniplaita
Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa dan Inovasi Volume 5 Nomor 2 Tahun 2023
Publisher : Fakultas Teknik Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/asiimetrik.v5i2.5128

Abstract

Electricity is crucial for supporting development, the economy, and human well-being, thus leading to an increasing demand for electrical energy. Therefore, power plants are planned and constructed to be as economically viable as possible. In line with the principles of affordability, security of supply, and acceptability, to ensure long-term capacity demand and reliability. The reliability of the power plant is measured using the Load of Loss Probability (LOLP) index, which assesses the probability of components functioning satisfactorily to meet demand. The objective of this research is to analyze the reliability of PLTM Orya-Genyem based on the Load of Loss Probability (LOLP) index. The research methodology is qualitative, commencing with the collection of secondary data, followed by LOLP calculations to obtain reliability information. LOLP index for PLTM Orya-GGenyem is 0,4204%, equivalent to 1,5346 days per year, exceeding the PLN standard of 1 day per year. This indicates a lack of reliability in the power plant. Research findings reveal that daily power demand increases by 0,054 MW for every 1% increase in time. Assessment indicates that peak load surge factor is not the cause of the high LOLP value in PLTM Orya-Genyem. Instead, outages are the cause. The assessment shows that there were 72 disturbances of maintenance outages for PLOG-TA-01 and 145 disturbances of system adjustment outages for PLOG-TA-02. Other outages that happen include low water elevation, water storage duration, floods (accumulated debris), transmission work, blackouts, network disturbances, forced outages, planned outages, sedimentation dredging, water drainage, water filling, performance testing, and maintenance during plant operation.
Potensi Pemanfaatan Sumber Energi Alternatif Gas Metana untuk Pembangkit Listrik 3 MW Menggunakan Pemodelan Landgem (Studi Kasus: TPA Koya Koso Kota Jayapura) Royend F. Samosir; Johni Jonatan Numberi; Enos Karapa; Herbert Innah; Yane Ansanay; Prihananto Setiadji; Tiper K. M. Uniplaita
Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa dan Inovasi Volume 5 Nomor 2 Tahun 2023
Publisher : Fakultas Teknik Universitas Pancasila

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35814/asiimetrik.v5i2.5158

Abstract

The volume of waste will continue to increase with increasing time, population, and economic growth in a city, district, or province. The city of Jayapura, as the center of the economy of the land of Papua, is the same way. The Koya Koso TPA management system for Jayapura City is currently landfill control, where the waste that has been collected at the TPA is stockpiled using layers of soil so that the piles are increasing in number day by day and causing problems including air pollution by methane gas, CO2, and other gases and limited land, thereby reducing the age of TPA Koya Koso Jayapura City. This study aims to determine the potential content of methane gas by modeling it using Landgem software and the potential capacity of electrical energy that can be generated. The results showed that the potential content of methane gas generated from Landgem modeling is 13,134,026 m3/year, or 8,762 tons/year, resulting in a potential capacity of electrical energy of 2,797.22 kW, or 2.8 MW.
Co-Authors Anne Sihombing Danang Pamuji Enos Karapa Herbert Innah Johni J Numberi Joni Royend F. Samosir Tiper K. M. Uniplaita Yane Oktovina Ansanay