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JURNAL SAINS DAN TEKNOLOGI INDONESIA

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ANALISIS STRUKTUR PERKERASAN RUNWAY, TAXIWAY DAN APRON BANDAR UDARA DR. F.L. TOBING MENGGUNAKAN METODE UNITED STATES OF AMERICAN PRACTICE utama, dwinanta
Jurnal Sains dan Teknologi Indonesia Vol. 8 No. 2 (2006)
Publisher : Badan Pengkajian dan Penerapan Teknologi

Airport is the point of interchange between people or cargo to transfer from air transportation system to other system of transport such as land and water transportation system. Airport is also a facility for supporting fast and long distance transportation such as inter-cities or inter-island transportation system. Currently many Kabupaten/Kota in Indonesia eager to improve their existing airport since the era of otonomi daerah started, to generate and accelerate regional development. Consequently the airport improvement should include not only landside but also the airside facilities such as runway, taxiway and apron.Runway, taxiway and apron pavement structure are sometime designed in various methods. One method that is recently implemented in Indonesia is the United Stage of American Practice method, recommended by International Civil Aviation Organization (ICAO). This analysis shows the strategy to develop the airside facilities and to design the runway, taxiway and apron pavement structure using that method. The development plan of DR. F.L. Tobing, Sibolga airport in Kabupaten Tapanuli Tengah, North Sumatera Province will be used as the case study. There are three phases in this development plan to determine the airside facilities. The aircraft to be used in the future are F-28 in phase I (2003-2012), F-100 in phase II (2012-2022) and B-737 in Ultimate Phase (After 2022).

PENGKAJIAN KERENTANAN FISIK UNTUK PENGEMBANGAN PESISIR WILAYAH KOTA MAKASSAR Tejakusuma, Iwan G.
Jurnal Sains dan Teknologi Indonesia Vol. 13 No. 2 (2011)
Publisher : Badan Pengkajian dan Penerapan Teknologi

Coastal Vulnerability Index (CVI) was used to analyse the physical vulnerability to coastal disaster of the coastal areas of Makassar City. CVI will consider six variables namely geology, geomorphology, erosion and accretion, tidal range, average wave height and elevation. Geologically, coastal areas of Makassar comprise sand, gravel, clay and coral limestone. Geomorphologically, alluvial plain, sandy to gravelly beaches are predominant in the coastal areas. Both erosion and accretion occurred in the coastal areas in which accretion predominantly found in the southern part whereas erosion in the northern part of the city. Using DigitalElevation Model it can be observed that the elevation of the coastal areas of Makassar City is between 0 – 0.5 meter which is very vulnerable to sea level rise. Average tidal range was between 1.1 to 2 meter and wave height between 0 to 2.9 meter. CVI analyses showed that the coastal areas of Makassar City is vulnerable to sea level rise and hence to the coastal disaster. In addition, according to the analyses, Wajo, Biringkanaya and Tamalanrea districts are very vulnerable to sealevel rise and coastal disaster. Coastal development planning in these veryvulnerable areas will need special attention and specific measures.

APLIKASI MANAJEMEN RISIKO BENCANA ALAM DALAM PENATAAN RUANG KABUPATEN NABIRE widiati, ati
Jurnal Sains dan Teknologi Indonesia Vol. 10 No. 1 (2008)
Publisher : Badan Pengkajian dan Penerapan Teknologi

Earthquakes happened at 7.6 (February 6th, 2004) and 8.1 (November 26th, 2004) scale of Richter in Nabire Regency had been implicating that risk management of natural disaster are needed to complete the spatial planning arrangement. Thisearthquakes had damaged infrastructures and changed the land use, the spatial structure, and the social activities. This paper describes how the risk management of natural disaster applicated as one of components in spatial planning in order to prevent and minimize the dangerous, and also to minimize the risks and damaged of natural disaster.

RISIKO KONSTRUKSI PADA PEMBANGKIT LISTRIK KONVENSIONAL, SEBAGAI MASUKAN UNTUK KONSTRUKSI PLTN PERTAMA DI INDONESIA dewi, dharu
Jurnal Sains dan Teknologi Indonesia Vol. 14 No. 2 (2012)
Publisher : Badan Pengkajian dan Penerapan Teknologi

In general, Construction Risks of the Conventional Power Plants are almost the same with the Construction Risks at the Nuclear Power Plant (NPP). Construction Risks Experience in the Conventional Power Plant can be used as a lesson learned for Construction of the Nuclear Power Plant. This study method covers the survey, the relevant publication and empiric assessment on the real project risk implementation. The input data have been provided from experiences in conventional power plant. Hence, project risks must be control to make sure that construction activities in accordance to agreed shedule and free from cost overruns. This study can be expected will provide a valuable input to project risks of Construction of the NPP. It is concluded that the risk management can be carried out by risk identification, and implement the selected technique or strategyfor reduction of risk, transfer of risk and retention of risk to anticipate the all risks which is take place at the construction. Risk management system must be carried out by well in order to risk can be minimized.

PERENCANAAN TATARUANG PESISIR KOTA AGUNG BERBASIS ANALSIS RISIKO BENCANA TSUNAMI wisyanto, wisyanto
Jurnal Sains dan Teknologi Indonesia Vol. 11 No. 1 (2009)
Publisher : Badan Pengkajian dan Penerapan Teknologi

Gradually, the land that can be cultivated or used will lessen, moreover in a city that is growing rapidly. The situation has forced local government to plan the use of any land conscientiously. Formerly, local government plans the land just for beautifulness of a city and for practicality of transportation system without consideration of natural disaster mitigation. Natural disasters have damaged social and economic infrastructure and also killed people of many regions. The long term consequences of natural disasters are especially severe for developing countries and hamper the achievement of their sustainable development. Spatial planning that based on disaster mitigation has been done in The Coast of Kota Agung. The planning has been made through evaluation of the existing city planning by comparing it with the result of tsunami risk analysis. From the tsunami risk analysis, it has been known the volume of potential losses of threatened object per area units in the Coast of Kota Agung. By knowing their vulnerability and the level of risk, we have improved the existing city planning. It is hoped that the city planning that based on disaster risk analysis would make Kota Agung to be a city that will develop properly and safer from tsunami threatening.

Pengaruh Penambahan Molases Pada Kulit Pisang Kapendis Untuk Media Produksi Xilanase B.Stearothermophillus DSM 22 -, Trismillah
Jurnal Sains dan Teknologi Indonesia Vol. 15 No. 3 (2013)
Publisher : Badan Pengkajian dan Penerapan Teknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29122/jsti.v15i3.3392

Cavendish banana peel can be used as a substitute for the expensive xylan, while molasses than as a source of carbon as well as nitrogen, minerals and nutrients needed for the growth of microbes that can produce the enzyme. Xylanase produced from Bacillus stearothermopillus DSM 22, using media cavendish banana peels with the addition of molasses 1%, 2%, and 3%. Fermentation is done in a shaker incubator at 550C temperature conditions, initial pH 8, and 250 rpm agitation. The result showed the highest enzyme activity of 4,14 Ã‚Â± 0,16 U/mL min., on the addition 2% molasses after 24 hours. Further fermentation carried out in the fermenter working volume of 3.5 liters, with the condition of temperature 550C, pH 8, aeration 1 vvm, agitation 250 rpm, the highest spesific enzyme of activity of 51,62 Ã‚Â± 0,16 U/mg after 24 hours. Partial purification of xylanase enzyme fermentation is done with the results of microfiltration, ultrafiltration, ammonium sulfate (0-80%) and dialysis. There is an increase in the purity of the enzyme at each stage of purification, the highest purity on dialysis 3.23 times of crude enzymes.Kulit buah pisang kapendis dapat digunakan sebagai pengganti xilan yang harganya mahal, sementara molases selain sebagai sumber karbon serta nitrogen, mineral dan nutrisi dibutuhkan untuk pertumbuhan mikroba yang dapat menghasilkan enzim. Xilanase yang dihasilkan dariÃ‚Â Bacillus stearothermopillusÃ‚Â DSM 22, menggunakan media kulit pisang kapendis dengan penambahan molase 1%, 2%, dan 3%. Fermentasi dilakukan dalam shaker inkubator pada temperatur 550C, pH awal 8, dan agitasi 250 rpm. Hasilnya menunjukkan aktivitas enzim tertinggi 4,14 Ã‚Â± 0,16 U/mL min., pada penambahan 2% molases setelah 24 jam. Selanjutnya fermentasi dilakukan di dalam fermentor, volume kerja dari 3,5 liter, dengan kondisi temperatur 550C, pH 8, aeration 1 vvm, agitasi 250 rpm, aktivitas spesifik tertinggi 51,62 Ã‚Â± 0,16 U/mg setelah 24 jam. Pemurnian parsial fermentasi enzim xilanase dilakukan dengan hasil mikrofiltrasi, ultrafiltrasi, amonium sulfat (0-80%) dan dialisis. Ada peningkatan kemurnian enzim pada setiap tahap pemurnian, kemurnian tertinggi pada dialisis 3,23 kali dari enzim kasar.Keywords:Ã‚Â Xylanase, B. stearothermophillus DSM 22, Cavendish banana peel, molasses, enzyme activity

PEMANFAATAN COPEPODA Oithona sp SEBAGAI PAKAN HIDUP LARVA IKAN KERAPU aliah, ratu siti; yaniharto, dedy
Jurnal Sains dan Teknologi Indonesia Vol. 12 No. 1 (2010)
Publisher : Badan Pengkajian dan Penerapan Teknologi

The key success of producing grouper seed depends on the availability of high and complete nutritive live food (zooplankton) during larvae development stage. Rotiferand Artemia are common zooplankton that has been used in most of grouper hatchery. The cysts of Artemia is expensive because it’s still imported, therefore potential zooplankton from Indonesians waters should be developed to replace or to substitute Artemia. Copepod Oithona sp can be found easily in Indonesian marine waters. Oithona sp can be developed to adult stage within 7 days. One female Oithona can produce 8 to 22 nauplii with average 14,39 ± 3,62 nauplii. The larva ofhumpback grouper (Cromileptes altivelis) fed by Oithona sp showed a higher DHA content (0,30 % b/b) than those fed by copepod + Artemia (0,15 % b/b) and and Artemia only (0,03 % b/b). The EPA content in larva fed by Oithona also showed thehighest, 0,30 % b/b. However, improvement technique of monoculture Oithona should be carried out due to mass mortality and contamination by protozoan and rotifer.

Sistem Pertahanan Kombinasi Untuk Melindungi Kota Pantai Dari Bahaya Tsunami Edyanto, CB. Herman
Jurnal Sains dan Teknologi Indonesia Vol. 17 No. 2 (2015)
Publisher : Badan Pengkajian dan Penerapan Teknologi

Coastal city is a city that is growing rapidly, because the infrastructure is supported by sufficient sea. The potential beauty of the sea make the sea as porches and windows coastal city. This potential drives offer promising investment for the development of economic activities in coastal areas. But what is often forgotten is that the coastal city is inseparable from the problem of disasters, especially tsunamis. Analysis on coastal protection components suggests that coastal vegetation that have adapted to the coastal environment can serve as a coastal defense system in the form of non-structural mitigation. Application of the system of protection as it has financing relatively easy and inexpensive. On the other hand, to further strengthen the protection of tsunami waves and overtopping, structural mitigation remains necessary. The combination of these two systems provide double the power to safeguard the coastal city. This study is a qualitative approach to analyze the non-structural mitigation systems and structural mitigation. A mix of these two systems were able to reduce disaster risk.Kota pantai merupakan kota yang bertumbuh dengan cepat, oleh karena didukung oleh sarana dan prasarana laut yang cukup. Potensi keindahan laut menjadikan laut sebagai serambi dan jendela kota pantai. Potensi ini yang mendorong tawaran investasi yang menjanjikan bagi pembangunan kegiatan ekonomi di kawasan pantai. Namun yang sering terlupakan adalah bahwa kota pantai tidak terlepas dari permasalahan bencana, khususnya tsunami. Analisis terhadap komponen perlindungan pantai memberikan gambaran bahwa vegetasi pantai yang telah beradaptasi dengan lingkungan pantai dapat berfungsi sebagai sistim pertahanan pantai dalam bentuk mitigasi non struktural.Penerapan sistim perlindungan seperti ini memiliki pembiayaan yang relatif mudah dan murah. Disisi lain, untuk lebih memperkuat perlindungan dari gelombang dan limpasan tsunami, mitigasi struktural tetap dibutuhkan. Kombinasi dari kedua sistem memberikan kekuatan ganda bagi upaya perlindungan kota pantai. Pendekatan studi ini bersifat kualitatif dengan menganalisis sistem mitigasi non struktural dan mitigasi structural.Perpaduan antara kedua sistem ini mampu untuk mengurangi risiko bencana.Keywords:Ã‚Â protection, defense, coastal, coastal city, vegetation, tsunami

TEKNOLOGI IRIGASI TETES Ã¢â‚¬Å“RO DRIPÃ¢â‚¬Â UNTUK BUDIDAYA TANAMAN SAYURAN DI LAHAN KERING DATARAN RENDAH Kasiran, Kasiran
Jurnal Sains dan Teknologi Indonesia Vol. 8 No. 1 (2006)
Publisher : Badan Pengkajian dan Penerapan Teknologi

Key success of cultivation vegetable crop in lowland is gift irrigate and the manure which enough. The other side of dissimilar lowland of generally owning water source limited and its land ground less be fertile, this represent constraint. Technological of drip irrigation “Ro Drip” representing one of solution alternative for the solve water limitation problem, becouse this technology can arrange exploiting irrigate efficient considerably. Technologically this the water can be given to crop droppedly for the shake of its volume and drip is organizable according to requirement.

PENGARUH LINGKUNGAN ORGANISASI TERHADAP KEPUASAN KERJA DI BPPT djarwadi, djarwadi
Jurnal Sains dan Teknologi Indonesia Vol. 13 No. 1 (2011)
Publisher : Badan Pengkajian dan Penerapan Teknologi

This research will investigate the influence of environmental work to job satisfaction BPPT officer. Research conducted directly by using questioner. Questioner allocated to a number of officer (210 responders) as sample. Questioner consisted of two shares that is organizational environment (environment work by 24 statements) and the job satisfaction (20 statements). Data processing conducted with multiple regression method, and use Statistical Packages for the Social Sciences (SPSS) program. Result of enumeration with backward elimination methods indicated that job satisfaction officer BPPT still be very low. The officer dissatisfy by environmental work is existing in this time. Organizational clarity,commitment, appreciation and spirit of group significant influences job satisfaction. Environmental work in BPPT is very big influences to officer job satisfaction.

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