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All Journal Indonesian Journal of Geography Jurnal Teknik ITS IPTEK Journal of Proceedings Series IPTEK The Journal for Technology and Science Jurnal Manajemen Teori dan Terapan Journal of Civil Engineering Simposium II UNIID 2017 Jurnal Aplikasi Teknik Sipil Jurnal Hidroteknik Journal of Infrastructure and Facility Asset Management Sewagati
Anwar, Nadjadji
Civil Engineering Department, Sepuluh November Institute Of Technology, Surabaya, Indonesia
Arts Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Public Health Social Sciences Transportation Other

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Journal : IPTEK The Journal for Technology and Science

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A Review on Risk Factors in the Project of Oil and Gas Industry Rodhi, Nova Nevila; Anwar, Nadjadji; Artama Wiguna, I Putu
IPTEK The Journal for Technology and Science Vol 28, No 3 (2017)
Publisher : IPTEK, LPPM, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (244.968 KB) | DOI: 10.12962/j20882033.v28i3.3217

Abstract

In Each activity in the oil and gas industry there are risks that could hamper the project and also there is a huge risk to the environment, social and economic. Besides oil and gas industry projects also have the potential to be dangerous to life, property and the environment, the hazard can occur if the activity is not controlled and regulated by appropriate. Basically, the disaster is certainly not possible to be planned and can occur at any time. But the circumstances of a disaster can be anticipated, that is the way to plan preventive measures and control.Based on the description above, this paper aims to discuss risk factors and risk assessment techniques that can help sustainable development programs. From the results of this study note that the risk factors of projects in the oil and gas industry is very complex, so a risk analysis must be done from various aspects, namely the project itself, the environment and disaster and should be integrated with aspects of sustainable development. As for the suggested technique is a combination of monte carlo and system dynamics.
Analysis of Main Morphometry Characteristic of Watershed and It’s Effect to The Hydrograph Parameters I Gede Tunas; Nadjadji Anwar; Umboro Lasminto
IPTEK The Journal for Technology and Science Vol 28, No 1 (2017)
Publisher : IPTEK, LPPM, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (812.029 KB) | DOI: 10.12962/j20882033.v28i1.2220

Abstract

Until today, the development of synthetic unit hydrograph model is still based on morphometry characteristic of watershed or combine with other parameters. According to Sri Harto (1985), There are at least four main characteristic morphometry of watershed which highly influenced to the hydrograph and can be easily quantified namely watershed area (A), main river length (L), main river slope (S) and form factor (FB). This research aim is to analyze and verify these four factors and it’s effect to the three of hydrograph parameters i.e. peak time (TP), peak flow (QP) and base time (TB). This research was carried out in eight watersheds in Central Sulawesi Province  Indonesia as the base of variable preparation to develop synthetic unit hydrograph model. Main morphometry analysis of watershed was conducted by using geographical information system (GIS) software, referring to Indonesia Topographic Map (RBI) data combined with Digital Elevation Model-Shuttle Radar Topographic Mission (DEM-SRTM) data, to determine the area (A), main river length (L), main river slope (S) and form factor (FB) of every analyzed watershed. The research showed that eight observed watersheds had an area (A) of 23.88 km2 to 144.73 km2, main river length (L) of 10.31 km to 28.69 km, main river slope (S) of 0.03422 to 0.10812 and form factor (FB) of 0.21 to 0.49. From correlation analysis, It seen that the watershed area affected very well to peak flow (QP) with correlation coefficient of 0.98. The main river length also affected very well to the peak time (TP) with correlation coefficient of 0.99. Two others morphometry parameters namely main river slope (S) and form factor (FB) did not show the effect which could be concluded. These two parameters showed low correlation coefficient.
Co-Authors - Suwarseno Achmad Agung Ahmad Ahmad Wahyudi Amien Widodo Anak Agung Ngurah Satria Damarnegara Anindita Hanalestari Setiawan Anindita Hanalestari Setiawan Bagas Yoga Pratama Bagus Pramono Yakti Danayanti A D Nusantara Edijanto Edijanto Edijanto Edijatno Edijatno Hanie Teki Tjendani I Gede Tunas I Putu Aldy Pradana Elsaputra I Putu Artama Wiguna Indra Cahya Purnama Indryani, Retno Khomsin Khomsin, Khomsin Lidya Kini Lutfy Risfiyanto Maulana, Mahendra Andiek Mohamad Bagus Ansori Mohamad Fajrin Hernata Mona Is Aziza Nastasia F Margini Nastasia Festy Marginia Nova Nevila Rodhi Novi Andriany Teguh Nusantara, Danayanti Azmi Dewi Pribadi, Cherie Bhekti Radita Ahadunnisa Rochmad Afandi Sarwono Sarwono Teguh Hariyanto, Teguh Theresia Sri Sidarti Theresia Sri Sidharti Theresia Sri Sidharti Theresia Sri Sidharti Trismono C. Krisna Umboro Lasminto Wardoyo, Wasis Widhie Arzy Restuanti Wisdawaty Situmorang Zulis Erwanto