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Muhammad Afief Ma'ruf
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Fakultas Teknik Universitas Lambung Mangkurat, Jl. Ahmad Yani Km. 35 Banjarbaru Kalimantan Selatan Telp. (0511)-4773868 Fax. (0511)-4773868
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Info-Teknik
Published by Universitas Lambung Mangkurat
ISSN : 08532508     EISSN : 24599964     DOI : http://dx.doi.org/10.20527
Core Subject : Engineering,
Engineering
Jurnal Info – Teknik menerbitkan artikel – artikel karya orisinil dan signifikan pada Bidang Rekayasa Teknik.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 420 Documents
 1   2   3   4   5 
Analysis on Developer’s Satisfaction Towards The Building Permit (IMB) Service Provide by The Building Service of Banjarbaru Municipality Candra Yuliana
INFO-TEKNIK Vol 7, No 1 (2006): INFOTEKNIK VOL. 7 NO. 1 2006
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/infotek.v7i1.1694

Abstract

The Building Service Department of Banjarbaru is a technical dines service with an authority in giving IMB service where good public service is a must. Community satisfaction is a key factor to success of every institution in serving the community. Customer Satisfaction Survey is a part of research method used to know the need, demand and hope of the service user as feedbacks in improving and increasing the service quality.The goal of this research is to know the level of interested and satisfaction of the IMB service user in order to identify the attributes that must be prioritized in improving the IMB service.The research is conducted by distributing questionnaires to developer applying IMB at the Building Service of Banjarbaru, followed by validity test and data reliability test, including the descriptive and quadrant analysis (Cartesian Diagram).The result of this research shows that the average level of interest of IMB service attributes = 4.20, whereas the average valuation on the performance of IMB service = 3.36 of scale 5. It means that the performance in providing IMB service is still below the satisfaction level of the respondent (developers). The main priority of the service that must be improved according to this survey is the availability of the IMB services flowchart, ability of giving maximum service to the applicants, punctuality, the similarity in giving the service, ability in handling the complaints, service speed, commitments of the officials in providing prime service and responsibility in providing the service.
APLIKASI PENERAPAN METODE NEURAL NETWORK MENGGUNAKAN ALGORITMA BACKPROPAGATION UNTUK MENGETAHUI PEMBELIAN DAN PENJUALAN BAHAN BAKAR INDUSTRI Dwi Retno Sari
INFO-TEKNIK Vol 16, No 1 (2015): INFOTEKNIK VOL. 16 NO. 1 2015
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/infotek.v16i1.212

Abstract

PT. Kalianda Golden Bunker is a new company that is concerned in the Agent and Transportir Fuel Industry requires a variety of information about the stock and the proceeds to the analysis report for the leadership for the purposes of report generation, so it requires a data processing program fuel stocks as well as the sale of fuel Industrial oils suitable to be applied there. Documenting stocks and selling fuel industry is a problem frequently encountered in the PT. Kalianda Golden Bunker, this problem arises because of the difficulty of counting the large data and the lack of checks on the data that already exists, so the frequent errors in the calculation of stock and the sale of such fuel.The algorithm used in this study is the back propagation algorithm Neural Network. Based on its function, neural networks aims to solve a problem with learning techniques. Neural Network is a computing technology, does not provide a miracle but if used properly will produce a remarkable result, the ability of Neural Network in solving complex problems has been demonstrated in a wide variety of research issues such as data analysis, meteorology, pattern recognition, system control , stock market predictions and so forth (Yani, 2005)The results of this study are expected method using a Neural Network Backpropagation algorithm can determine the number of purchases and sales of industrial fuel in the company to obtain a more accurate calculation of the data. Keywords: System purchase and sale of fuel Industry, Backpropagation Neural Network.
STUDI KECELAKAAN KAPAL PADA ALUR PELAYARAN BARAT SELAT MADURA, TANJUNG PERAK, SURABAYA Sumarsono, Sumarsono; Nurhadi, Nurhadi; Yuana, Budy Rolly
INFO-TEKNIK Vol 18, No 2 (2017): INFOTEKNIK VOL. 18 NO.2 2017
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/infotek.v18i2.4348

Abstract

Among several cruise lines, Madura Strait is one of the densest cruise shipping course that also has a high risk of accidents. According to marine accident report data, in the range of 1995 - 2010 is about 311 marine accidents happened. Accidents due to collision reached 48.5% of total accidents that occur so the impact of collision analysis is important to do. From the source of Pelindo III stated, in period of the 2008-2013, there are 20,582 ship / year passing through Madura strait channel.Traffic based models is an accident frequency calculation approach that tailored to technical standards, environmental conditions, and the density of aquatic traffic in an area. Through this method can be estimated the frequency of collision accidents, aggregates and also the intersection of a specific area. Based on the value of Pc on the Madura Strait (APBS) with the value of Nm, where Nm = 3, there are some values obtained, for Head On obtained Pa = 1.819 E-06, for Crossing obtained Pa = 1.304 E-06 and for Overtaking obtained Pa = 6.299 E-06. Accidents due to Overtaking is the highest accident type of calculation, this is because Pc value is the greatest in APBS path in Inner Channel.
Hubungan Volume Lalu Lintas Dengan Kapasitas Jalan di Jalan Veteran Banjarmasin Hadi Gunawan
INFO-TEKNIK Vol 8, No 1 (2007): INFOTEKNIK VOL. 8 NO. 1 2007
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/infotek.v8i1.1724

Abstract

The areas on the Veteran street, it’s has complect for people whos as natives following on the times and its economics developing with any concequencies of business zones. Therefor it’s actually the magnifaceint of orders. The traffic jumps had been coming onVeteran street, on those conditions so that it’s quite interesting to be reseeched through on correlation to alls of resulting due to of it.For any evaluations it has must be worked uses by Indonesia Highway Capacity Manual (MKJI,1997), by infutable geometric conditions, traffic conditions, environmental conditions, base capacity, city size adjustment factor, road environment type, side friction, unmotorised vehicles adjustment factor and actual capcity, it’s metode uses to statistic analise regressions (Kennedy, J.B dan Neville, A.M, 1995) the conjuctions those accursedly with dereclly for Merdeka Bright to Kuripan Market street is linier with equition Y = -1,628X + 4842,9 with counts r = -0,897 (the correlation are variabel of negatives and it is strongly), from Kuripan Market dereclly to Merdeka Bright is linier with equition Y = -0,4135X + 2674,9 with counts r = -0,897 (the correlation are variabel of negatives and it is strongly) and for the through coupces of street is linier with equition Y = Y = -0,466X + 5505,3 with counts r = -0,912 (the correlation are variabel of negatives and it is strongly).
ANALISIS KUALITAS AIR DI KALIMANTAN SELATAN SEBAGAI BAHAN CAMPURAN BETON Novitasari Novitasari; Ulfa Fitriati; M. Mirza Peradana
INFO-TEKNIK Vol 15, No 1 (2014): INFOTEKNIK VOL. 15 NO. 1 2014
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/infotek.v15i1.232

Abstract

SNI 03-2847-2002 requirement that the water used in the concrete mix should be clean and free of damaging substances containing oil, acids, alkalis, salts, organic matter, or other substances harmful to concrete or reinforcement. But in fact, often we see the use of water as an ingredient in concrete mixtures that do not follow the requirements of SNI. Work in the field often use water that is in that location without regard to the content that is in them that would negatively affect the compressive strength of the concrete. The purpose of this study was to determine the quality of water contained in the PDAM water, brackish water in the estuary of the Barito, peat water in the area Sambang Lihum, Martapura river water, Polder Alabio water, and water wells in the area Banjarbaru.This test uses several tools, pH Meter to determine levels of acid and alkali in the water, EC Meter to determine levels of salt in the water, and Water Quality Meters to determine water quality. As for the sulfate content in water testing performed Basic Laboratory Faculty of Science, University of Mangkurat, Banjarbaru.On water quality testing, only Brackish Water samples in estuaryof the Barito ineligible pH and salinity, whereas the content of TDS (Total Dissolved Solids) Brackish Water samples in the estuary of the Barito and Water Wells in Banjarbaru ineligible the standard. Keywords: Quality of water, brackish water, the compressive strength of concrete
STATUS MUTU DAERAH PENAMBANGAN PASIR DI PERAIRAN SUNGAI SERAYU DENGAN MENGGUNAKAN METODE STORET Nurlinda Ayu Triwuri; Murni Handayani; Rosita Dwityaningsih
INFO-TEKNIK Vol 19, No 2 (2018): INFOTEKNIK VOL. 19 NO. 2 DESEMBER 2018
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jit.v19i2.150

Abstract

The quality of river water is strongly related to human activities in it. Changesin the condition of water quality in the river flow are the effects of the dischargefrom existing land use. One of them is sand mining activities along the SerayuRiver, especially around Tumiyang, Kebasen, Banyumas Regency. Activitiesfrom sand mining will cause a decrease in river water quality. From this activity,it is necessary to study the status of water quality using the STORET method todetermine the quality of river water so that the river can be utilized in accordancewith the applicable designation.The STORET method is one method for determining water quality data withwater quality standards in accordance with the appointment of Minister ofEnvironment Decree No.115 2003. This research is a quantitative descriptivestudy to determine the water quality of the Serayu river in the sand of miningareas precisely in Banyumas Regency. The parameters measured in this studywere measurements of Total Disolved Solid (TDS), temperature, pH, andElectrical Conductivity. Determining the location of taking water using apurposive sampling method.Based on the results of data analysis using the Storet method and refers to thequality standards of Government Regulation No.20 of 1990 Group D. Waterquality in Serayu River has a total score of 9 after sand mining. This shows thequality status of the lightly polluted Serayu river (-1 to -10). But still in class Band the river water quality level is still in good condition. There are temperatureparameters that exceed the threshold of 25 - 32oC, but the TDS, DHL and pHparameters are still within the threshold of designation in Group D.
SETTLEMENT PATTERN MODEL AT RIVERSIDE (A Case Study of Martapura River) Nurfansyah Nurfansyah
INFO-TEKNIK Vol 9, No 2 (2008): INFOTEKNIK VOL. 9 NO. 2 2008
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/infotek.v9i2.1751

Abstract

The Martapura River is the watercourse fromBaritoRiver. Cultural of the ordinary society that used to life around the riverside caused to expand the settlement along the riverside.This research purposed synthesis the settlement characteristics along riverside and make the settlement model. The methods used at this research was rationalistic, where the research object consisted of three village and analysis based on research parameters, settlement pattern, form, circulation and infrastructure.The result of this research are linear settlement pattern expand along the riversideMartapuraRiverunorganized. At the curve area, there is cluster settlement pattern where the building grown from the main road to the riverside. There are pillar house and floating house that have grown at some spots along the riverside and alley are the circulation of the area where both interconnected. Wooden bridge represent to access of the circulation. The area infrastructure consisted of floating MCK. The MCK was a communal place for the riverside society doing activity, bath, cleaning and wasting. The floating MCK also used as dock by river transportation passenger. Domestic waste a lot still thrown to the river and not places for temporary waste place so the river become dirty by the garbage.
PENANGANAN PERUMAHAN TIDAK LAYAK HUNI DI WILAYAH PANTAI KABUPATEN KUTAI KARTANEGARA, KALIMANTAN TIMUR Citra Anggita
INFO-TEKNIK Vol 14, No 1 (2013): INFOTEKNIK VOL. 14 NO. 1 2013
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/infotek.v14i1.306

Abstract

Housing and residential construction is basically the duty and responsibility of the people themselves . In this case the government is obliged to provide facilities and create a climate that encourages the growth and development of initiatives and governmental organizations in order to foster the implementation and development can take place in an orderly manner . The purpose of this study provide policy inputs for handling housing in the Capital District Coastal Region in realizing housing livable and healthy , safe , harmonious , orderly and sustainable in Kabupaten Kutai Kartanegara. Location of the study in 6 ( six ) Capital District Coastal Region Kutai Kartanegara . Data analysis was performed by means of verbal ( qualitative ) . Based on the research results , it is necessary to repair efforts on facilities and infrastructure in coastal areas , the need for local governments to construct a scenario the development of housing and settlements in the area in the form of Housing Development Plan and Regional Development (RP4D ) and have institutional / agency that coordinates programs and activities and residential housing.
PENGARUH PERSENTASE BIODIESEL MINYAK JELANTAH - SOLAR TERHADAP KARAKTERISTIK PEMBAKARAN DROPLET Andy Nugraha; Muhammad Nizar Ramadhan
INFO-TEKNIK Vol 20, No 1 (2019): INFOTEKNIK VOL. 20 NO. 1 JULI 2019
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/infotek.v20i1.6962

Abstract

Fossil fuels need to be replaced with alternative energy sources such as household waste, used cooking oil. This research utilizes household waste such as used cooking oil as an alternative fuel. In this research biodiesel used waste cooking oil mixed with diesel with a percentage of 50%: 50%, 60%: 40%, 70%: 30%, 80%: 20%, and 90%: 10%. The mixture of waste cooking oil and diesel biodiesel was then made into a 1 mm droplet grain, then a droplet combustion test was carried out. The test results show that the value of ignition delay time increases with increasing percentage of biodiesel used waste cooking oil. The burning rate value increases with the increase in the percentage of used waste cooking oil biodiesel. The temperature value increases with the increasing percentage of biodiesel used waste cooking oil. The maximum fire height value that can be achieved decreases with increasing percentage of used waste cooking oil biodiesel.
PENENTUAN WAKTU REAKSI DAN JUMLAH KATALIS (H2¬SO4 DAN KOH) OPTIMUM PADA PEMBUATAN BIODIESEL DARI MINYAK GORENG BEKAS Abdullah Abdullah; Dorothy Eka Ria; Uripto Trisno Santoso; Kholifatu Rosyidah
INFO-TEKNIK Vol 11, No 1 (2010): INFOTEKNIK VOL. 11 NO. 1 2010
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/infotek.v11i1.1768

Abstract

Research of determination of optimum reaction time and number of catalyst (H2SO4 and KOH) at biodiesel production from waste cooking oil had been done. Aim of this research is to get the optimum reaction time and number of catalyst (H2SO4 and KOH), and the main chemical compound of biodiesel from waste cooking oil. Biodiesel from waste cooking oil is made from esterification reaction using H2SO4 2% w/w as acid catalyst, continued by transesterification reaction using KOH as base catalyst. The variables which is used in the research were the reaction time of esterification (45, 90, and 135 minutes) and transesterification (60, 120, and 180 minutes), while variation number of acid catalyst were 0,5; 1,0; 1,5 ml and base catalyst were 0,5; 1,0; 1,5 g. The optimum reaction time and number of catalyst were determined based on biodiesel characteristics are acid number, kinematics viscosity, and density. The characteristics were compared with waste cooking oil characteristic and SNI standard for biodiesel. Main chemical compound was determined by GC-MS instrument. Based on the research result obtained the optimum quality of methyl ester with acid number was 0,19 mg KOH/g, kinematics viscosity (40oC) was 4,51 mm2/s, and density was 0,875 g/ml. Concluded that the reaction time of esterification was 90 minutes and transesterification was 120 minutes, with number of catalyst H2SO4 2% w/w was 0,5 ml and KOH was 1,0 g for oil was 50 ml. Main chemical compound of biodiesel were  methyl lauric, methyl myristic, methyl palmitic, and methyl oleic, respectively.

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