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INDONESIA
IJIEEB : International Journal of Integrated Education, Engineering and Business
Published by Universitas Narotama Surabaya
ISSN : 26152312     EISSN : 26151596     DOI : -
Core Subject : Education, Social, Engineering,
Automotive Engineering Civil Engineering, Building, Construction & Architecture Education Engineering Social Sciences
IJIEBE : International Journal of Integrated Engineering, Businnes and Education is a international scholarly journal which publishes original research findings in power generation, transmission and conversion, electrical machinery, control theory and industrial controls, robotics, electrical transportation equipment (including magnetic levitation devices), insulation, solar energy, high-power semiconductors, as well as economic and environmental aspects of energy production and distribution and esearch addressing technology and the management of IT.
Arjuna Subject : -
Articles 77 Documents
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Cost and Time Performance Analysis with Concept of Earned Value (Case Study Jakarta - Cikampek II Elevated Project) Noviawati Puspita; Yopi Lutfiansyah
IJESEMS : International Journal of Engineering Science Educatioon and Management System Vol 3 No 2 (2020): September 2020
Publisher : LPPM NAROTAMA UNIVERSITY, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/ijieeb.v3i2.1167

Abstract

The research procedure starts with conducting a literature study, collecting data, and summarizing the results of gathering existing data. The purpose of this study is to evaluate the deviation of costs and time, calculate the estimated cost and time needed to complete the project work, calculate the estimated profit or loss that may occur in the completion of the project. Variants emphasized here are to investigate deviations in costs or planned schedules that have been planned or determined. The results of the analysis in Jakarta-Cikampek II Elevated Project stated that in July 2019 the SPI value was 0.96 <1 which could be interpreted that the project progress had been delayed and the CPI value was 1.44> 1 which could be interpreted that the actual the project cost is still smaller than the total budget cost. Estimated total costs up to the end of the project in the amount of Rp.2,694,413,965,781 of the total budget cost of Rp. 3,872,143,387,752 can save Rp.1,177,729,421,971. As for the estimated time to finish until the end of the project which is for 918 days from the time of the 915 day contract, there will be a delay of 3 days.
Analysis of Customer Satisfaction on Quality of Jakarta Corridor MRT (Mass Rapid Transit) Service 1 (Lebakbulus Station - Bundaran HI) Ari Hesti Purnomo; Amar Mufhidin
IJESEMS : International Journal of Engineering Science Educatioon and Management System Vol 3 No 2 (2020): September 2020
Publisher : LPPM NAROTAMA UNIVERSITY, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/ijieeb.v3i2.1168

Abstract

Seeing the very high mobility behavior of the Jakarta people and difficult to avoid congestion, it is appropriate, a solution that invites people to move from private vehicles to mass transportation modes such as the Jakarta MRT. The transportation service industry is an interesting sector to observe because Jakarta MRT is relatively new transportation in Jakarta. This study aims to determine the level of passenger satisfaction with the quality of Jakarta Corridor 1 MRT services (Lebak bulus Station - HI Roundabout) reviewed using the questionnaire method, using 100 respondents taken randomly from Lebak Bulus to the HI Roundabout and vice versa. To get the results of customer satisfaction required data on the average rating of respondents and the results obtained an average value above 3 and included in the category of very satisfied according to the CSI table. To get data that needs to be a priority to be improved and data that needs to be maintained the level of service quality needs to be tested using the Cartesian diagram of the importance- performance method and the results of data that become priorities for improvement are safety aspects at trains and stations as well as courtesy of officers. To test the results of the analysis conducted a validity test using the bivariate correlation method to measure the validity and invalidity of the data with a significance value of 1% and R tables obtained at 0.258 and 100% validity results (all valid data), reliability testing to measure the level of consistency of respondents in filling out the questionnaire from the SPSS program counting process gets the result that the questionnaire has a high level of consistency.
The Influence of Current Ratio, Debt to Equity Ratio, And Total Asset Turnover Ratio on Profitability of Transportation Companies Listed On the Indonesia Stock Exchange 2014-2018 Talisa Qamara; Ani Wulandari; Agus Sukoco; Joko Suyono
IJESEMS : International Journal of Engineering Science Educatioon and Management System Vol 3 No 2 (2020): September 2020
Publisher : LPPM NAROTAMA UNIVERSITY, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/ijieeb.v3i2.1169

Abstract

This study aims to analyze whether there are simultaneous effects of Current Ratio, Debt to Equity Ratio, and Total Asset Turnover to Pofitability (Return On Asset) on Transportation Company Listed at Indonesia Stock Exchanged. This research use quantitative method. The population on this research is transportation companies listed at Indonesia Stock Exchange (IDX) and continuously published financial reports in 2014-2018. Based on the purposive sampling method, from 71 transportation companies globally converged into 10 transportation companies, so that the data obtained were 50 observation. The analytical method used is multiple linear regression analysis. The results of the study are Current Ratio and Debt to Equity Ratio does not partially affect ROA, while Total Asset Turnover has a partial effect on ROA. And the three independent variables (CR, DER and TATO) simultaneously influence the dependent variable, namely profitability (ROA)
Return On Asset (Roa) Analysis Using Du Pont System Method In PT. Ultrajaya Milk Industry And Trading Company Tbk” (2015-2018 Period) Ryzka Pradana Indiyanti
IJESEMS : International Journal of Engineering Science Educatioon and Management System Vol 3 No 2 (2020): September 2020
Publisher : LPPM NAROTAMA UNIVERSITY, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/ijieeb.v3i2.1170

Abstract

The purpose of this study was to determine the value of the company's Return On Assets (ROA) using Du Pont System method. Du Pont System is an integrated approach to financial ratio analysis that combines the ratio of TATO activity with profit ratio, profit margin on the sale of NPM which shows both interacting in determining ROA. The research method used in this research is descriptive method, with data collection techniques carried out by means of documentation. Based on the results of data analysis, shows the value of ROA at PT. Ultrajaya Milk & Trading Company Tbk which is calculated using the Du Pont System analysis is not good, with a value of ROA that has decreased from 2016 by 16.7%, in 2017 amounting to 13.9% and 2018 by 12.6%. This is due to the decrease in the value of NPM and TATO because basically the value of ROA is influenced by NPM and TATO. So that the value of ROA at PT. Ultrajaya Milk Industry & Trading Company Tbk which is calculated using the Du Pont System method is still not effective due to a tendency to decrease ROA value.
Analysis of Crop Pattern Plant and Irrigation Water Needs in Pauh Tinggi Irigation Network Planning, Pauh Tinggi Village, Kerinci District, Jambi Acep Hidayat; Muhammad Al Reza Hidayatullah
IJESEMS : International Journal of Engineering Science Educatioon and Management System Vol 3 No 2 (2020): September 2020
Publisher : LPPM NAROTAMA UNIVERSITY, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/ijieeb.v3i2.1171

Abstract

Pauh Tinggi irrigation network planning which has an area of irrigation land of 473 ha. This irrigation plan draws water from the Pauh Tinggi Dam located in the Batanghari Hulu river, Kerinci Regency, Jambi. Population growth which is directly proportional to the increasing necessities of life, one of which is in the food sector, has made the government take the initiative to meet the needs and welfare of the community by opening land into productive areas of rice fields and fields, and making irrigation plans. In making irrigation planning, hydrological and rainfall calculations are needed to be able to make the right cropping system for farmers in Pauh Tinggi Village, Kerinci Regency, Jambi. A calculation of 17 alternative cropping patterns with different types of plant variants and different plans for the initial planting period were carried out by comparing with the mainstay debit factor (Q80). It was found that the cropping pattern is very possible always using the RICE-RICE-CROP cropping pattern. The most efficient and optimal planting pattern is the alternative planting pattern 14 in the form of RICE -RICE-CORN with Netto Field Water Requirements in tertiary plots (NFR tertiary) ranging from 0 - 1.30 ltr / sec / ha with a maximum of 1.30 ltr / sec / ha in January I, while irrigation water needs in the intake (DR intake) range 0 - 1.60 ltr sec / ha with a maximum of 1.60 ltr / sec / ha in January I.
Comparison of System Methods (Table Form) With Semi Systems from Cost Aspects in the Apartment Meikarta Project Anjas Handayani; Komarul Umam
IJESEMS : International Journal of Engineering Science Educatioon and Management System Vol 3 No 2 (2020): September 2020
Publisher : LPPM NAROTAMA UNIVERSITY, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/ijieeb.v3i2.1172

Abstract

Meikarta Apartment Project at the beginning of the implementation of the method that is used is a formwork system so that the spring mounting groove formwork and casting becomes inhibited. With some consideration, the formwork method was changed from the Semi si stem method to the System (Table Form). Therefore an analysis of costs and time in formwork planning is carried out in order to obtain effective and efficient planning results. At this stage begins with field observations, literature studies include information gathering, problem formulation activities, primary and secondary data and data analysis processing with the Analysis of SNI Work Unit Price (AHS-SNI) 2018 To produce the price of formwork work which includes wages, materials and tool. Based on the results of the analysis carried out on each formwork method, it was concluded that the Cost of Formwork System Work (Table Form) is cheaper compared to Semi system. The total cost of work using the Semi system as much as Rp. 4,837,286,252.27 While using formwork System (Table Form) as much as Rp. 3,724,594,795.77. This shows that work using the System (Table Form) is cheaper by Rp. 1,112,691,456.50 or around 23%.
Analysis Mixed Layer Asphalt Surface as Asbuton Ac-Wc Characteristics of Marshall Huda Alfian Aunur Hasyir; Sapto Budi Wasono
IJESEMS : International Journal of Engineering Science Educatioon and Management System Vol 3 No 2 (2020): September 2020
Publisher : LPPM NAROTAMA UNIVERSITY, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/ijieeb.v3i2.1173

Abstract

Natural asphalt is asphalt obtained somewhere in nature, and can be used as obtained or with little processing. No natural asphalt obtained in the mountains like asphalt in Buton island called Asbuton. Asphalt Buton island is a mixture of bitumen material with other mineral materials in the form of rocks. Because asbuton is so sajaa material found in nature, the levels of bitumen dikandungnyaa greatly varies from low to high. To overcome this, then asbuton began to be produced in various forms at the processing plant asbuton. To reduce the use of natural asphalt eat more steps to do research on utilizing asbuton with the composition 6%, 8%, 10%. The purpose of this study is 1.) Determine the material characteristics LGA Asbuton can meet the specifications of Highways in 2018 on a mix of AC-WC 2.) Determine the value of Optimum Asphalt Content on asphalt concrete AC-WC (Asphalt Concrete - Wearing Course) with extra material LGA Asbuton 3.) Knowing how the performance of asphalt concrete AC-WC with additional material and bitumen 60/70 Asbuton terms of Marshall Test. The study was conducted with an experimental method through laboratory testing. The expected benefits of this research is the discovery of optimizing the use of Asbuton for at the time of execution of the work of new road construction or road maintenance and provide alternative natural aggregate material consumption to a minimum.The test results for the optimum bitumen content KAO on the composition 1 Asbuton 6% with a variation of bitumen (5.05% 5.55% 6.05% 6.55% 7.05%) of the chart can be found KAO Marshall 6.2%. Composition 2 Asbuton 8% with a variation of asphalt (5.0% 5.5% 6.0% 6.5% 7.0%) on the graph can be found KAO Marshall 6.3%. Composition 3 Asbuton 10% with a variation of asphalt (5.0% 5.5% 6.0% 6.5% 7.0%) on the graph can be found KAO Marshall 6.4%. Variations in the composition of 6%, 8% and 10% meet all the requirements of the properties of hot asphalt mix can specification of Highways in 2018.
Analysis of Jakarta’s Mass Rapid Transit Infrastructure Services on Passenger Satisfaction Performance With The Influence of The Covid 19 Virus Sunandar Ali; Mukhlisoh Mukhlisoh; Sumiyati Sumiyati
IJESEMS : International Journal of Engineering Science Educatioon and Management System Vol 4 No 1 (2021): March 2021
Publisher : LPPM NAROTAMA UNIVERSITY, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/ijieeb.v4i2.1346

Abstract

Service quality is a strategy that is very important for the development and success of business organizations. The purpose of this study is to analyze the dominant variables in MRT Jakarta infrastructure services on customer satisfaction performance and to find solutions to the dominant variables found. The hypothesis of this research is whether or not there is an effect of MRT Jakarta infrastructure services on customer satisfaction performance with the Covid 19 pandemic. The results obtained through the analysis of the Customer Satisfaction Index (CSI) were 85.38% and stated that customers were very satisfied with the MRT Jakarta services provided. In the Importance Performance Index (IPA) analysis with a Cartesian diagram, there are three dominant variables of MRT Jakarta services on customer satisfaction performance. Judging from the level of performance and importance of the quality of MRT Jakarta services, on average, it is good, so that the MRT Jakarta management must prioritize several variables to be improved and maintain those variables that are considered to be in accordance with customer expectations.
The Effect of Additional Crystalline Materials on Concrete on Sulfic Acid Sudrajat Budi Utomo; Agung Sumarno
IJESEMS : International Journal of Engineering Science Educatioon and Management System Vol 4 No 1 (2021): March 2021
Publisher : LPPM NAROTAMA UNIVERSITY, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/ijieeb.v4i2.1349

Abstract

An acidic environment can be found in many situations such as acid rain, fog, acidic ground water, sewage systems and chemical plants. Acidic environments containing acidic chemicals can slowly damage concrete from the edges and corners of the concrete by releasing it granules of concrete particles so that the concrete becomes porous. The use of crystaline material or crystal material that can be used as added material in concrete to improve the watertightness and resistance of concrete to acid because it is able to fill and clog pores, capillaries, micro crevices , and other holes with crystalline form that are not soluble and are very resistant to formation, research was conducted to determine the effect of crystalline material on normal concrete using type I and type V cement against, density, concrete compressive strength and workability. Tests carried out by the use of crystalline material mix PRAH CA-1000 and mix PRAH CA-5000 with a variation of 0.5% - 1.2%. The test object used is Cylinder 10 cm x 20 cm by 60 pieces, testing is carried out at the age of concrete 3 , 7, 28 days for concrete density and 28 days for compressive strength. The results of the study note that the results of the addition of Crystalline and the use of different types of cement in normal concrete can affect the compressive strength of concrete and do not affect the traceability, optimal type of Crystalline Admixture in testing concrete specimens after exposure to sulfuric acid (H2SO4) is mix PRAH CA-5000.
Analysis of Factors Causing Delays in Execution of Abc Apartement In Bekasi to Improve Time Performance Yopi Lutfiansyah; Isma Shofa Mufida
IJESEMS : International Journal of Engineering Science Educatioon and Management System Vol 4 No 1 (2021): March 2021
Publisher : LPPM NAROTAMA UNIVERSITY, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29138/ijieeb.v4i2.1350

Abstract

The booming population growth is the reason it is difficult to have a comfortable place to live like housing in several big cities. Various apartment development projects in big cities are carried out by developers to fulfill public needs, besides the high land price and limited land, it is also the reason for the construction of apartments with adequate facilities. Bekasi City is one of the big cities that looks promising for vertical housing seekers because of the low price offered. The purpose of this research is to identify the factor causes of construction delays, the most dominant factors that causes the delay and find control measures consist of preventive and corrective action in order to minimize project delays. This research used quantitative research methods by distributing questionnaires to respondents who are project employees. This research used 3 stage questionnaire and the results will be conducted to test validity and reliability using statistical software and analysis of Importance Index (II). The results of this research the ABC apartment development project has 5 factors that most dominant, consisting of Late Payments by Owner (51.80%), Late Payments to Workers (51.17%), The Owner is Late for Making Decisions (49%), Unoptimal Worker Productivity (42.87%), and Lack of Manpower (42, 00%).

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