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Jurnal INTECH Teknik Industri Universitas Serang Raya
Published by Universitas Serang Raya
ISSN : 2407781X     EISSN : 26552655     DOI : -
Core Subject : Science, Engineering,
Decision Sciences, Operations Research & Management Engineering Industrial & Manufacturing Engineering Mechanical Engineering Transportation
Jurnal INTECH Teknik Industri Universitas Serang Raya, dengan nomor terdaftar ISSN 2407-781X (Print) dan 2655-2655 (online) adalah jurnal ilmiah yang diterbitkan oleh Program Sudi Teknik Industri, Fakultas Teknik, Universitas Serang Raya. Jurnal ini bertujuan untuk mempublikasikan hasil penelitian di bidang Teknik Industri yang diterbitkan dua kali setahun. Ruang lingkup Ilmu mencakup Riset Operasi, Sistem Manufaktur, Manajemen Industri, Ergonomi dan Sistem Kerja, Logistik dan Manajemen Rantai Pasokan, dan studi ilmiah lainnya sesuai dengan bidang lingkup penelitian Teknik Industri.
Arjuna Subject : -
Articles 7 Documents
 1 
Search results for , issue "Vol. 2 No. 1 (2016)" : 7 Documents clear
Analisis Defect pada Hasil Pengelasan Plate Konstruksi Baja dengan Metode Six Sigma Rohimudin, Rohimudin; Dwiputra, Gerry Anugrah; Supriyadi, Supriyadi
Jurnal INTECH Teknik Industri Universitas Serang Raya Vol. 2 No. 1 (2016)
Publisher : Universitas Serang Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (445.176 KB) | DOI: 10.30656/intech.v2i1.857

Abstract

From the observations on the construction company, the plate welding defects in steel construction often appear eight types of defects in the form of porosity, Under Cut, Overlap, Porosity, Underfill, Slag, Inclusion, Pin Hole, End Crater, Start Stop. This study aims to determine the types of defects that often appear, find out the causes and provide remedial solutions. This study uses six sigma methods with the stages of DMAIC (Define, Measure, Analyze, Improve, Control). Based on data processing obtained defects in the welding results that often appear namely undercut, porosity, overlap, underfill, spatter, pinhole, end crater, and start-stop. Found the dominant defect of processing Pareto diagrams in the form of Undercut 29%, Overlap 21%, Spatter 18%, Porosity 8%, all four types of defects reached 76%. Factors that cause defects in the welding results are seen from the aspects of the machine, human, method, material, and environment, namely the ampere in the machine that has been unstable, the operator is exhausted, the operator is less skilled, adjusting the ampere in the welding is too large, lack of cleaning, the distance of the bow is too far, the material is dirty, the material is wet, the environment is less comfortable, and the wind blows around the welding area. Some improvements that can be done are checking equipment before work begins, repairing pre-welding preparations in the form of cleaning the material to be carried out welding work, fixing welding techniques, increasing discipline and work motivation and the area to be carried out welding work must be covered with waterproof tarpaulin and the wind is protected from wind and rain. The improvement results can reduce the DPMO value from 51841 to 35377, and an increase in the sigma value from the initial sigma by 1.7 to 2.1.
Analisis Defect pada Hasil Pengelasan Plate Konstruksi Baja dengan Metode Six Sigma Rohimudin Rohimudin; Gerry Anugrah Dwiputra; Supriyadi Supriyadi
Jurnal INTECH Teknik Industri Universitas Serang Raya Vol. 2 No. 1 (2016)
Publisher : Universitas Serang Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (445.176 KB) | DOI: 10.30656/intech.v2i1.857

Abstract

From the observations on the construction company, the plate welding defects in steel construction often appear eight types of defects in the form of porosity, Under Cut, Overlap, Porosity, Underfill, Slag, Inclusion, Pin Hole, End Crater, Start Stop. This study aims to determine the types of defects that often appear, find out the causes and provide remedial solutions. This study uses six sigma methods with the stages of DMAIC (Define, Measure, Analyze, Improve, Control). Based on data processing obtained defects in the welding results that often appear namely undercut, porosity, overlap, underfill, spatter, pinhole, end crater, and start-stop. Found the dominant defect of processing Pareto diagrams in the form of Undercut 29%, Overlap 21%, Spatter 18%, Porosity 8%, all four types of defects reached 76%. Factors that cause defects in the welding results are seen from the aspects of the machine, human, method, material, and environment, namely the ampere in the machine that has been unstable, the operator is exhausted, the operator is less skilled, adjusting the ampere in the welding is too large, lack of cleaning, the distance of the bow is too far, the material is dirty, the material is wet, the environment is less comfortable, and the wind blows around the welding area. Some improvements that can be done are checking equipment before work begins, repairing pre-welding preparations in the form of cleaning the material to be carried out welding work, fixing welding techniques, increasing discipline and work motivation and the area to be carried out welding work must be covered with waterproof tarpaulin and the wind is protected from wind and rain. The improvement results can reduce the DPMO value from 51841 to 35377, and an increase in the sigma value from the initial sigma by 1.7 to 2.1.
Dampak Kualitas Udara Terhadap Keluhan Kesehatan Karyawan Gardu Tol Slipi 2 dan Tanjung Duren PT. Jasa Marga (Persero) Tbk Taufan Ramadhan; Farid Wajdi; Wyke Kusmasari
Jurnal INTECH Teknik Industri Universitas Serang Raya Vol. 2 No. 1 (2016)
Publisher : Universitas Serang Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (465.141 KB) | DOI: 10.30656/intech.v2i1.858

Abstract

The use of technology and transportation to meet human needs that are increasingly complex turns out to cause various environmental problems. One of the problems caused is air pollution due to motor vehicle exhaust emissions. This study aims to determine the impact of air pollution on the health of employees guarding the substation of Slipi 2 toll road and Tanjung Duren Jakarta. Data were taken from respondents using the questionnaire survey method and the Impinger Air Sampler for measuring NO2 and SO2 levels. Sampling is by the number of employees of Slipi 2 toll booths and Tanjung Duren, as many as 32 people. Of the 32 respondents almost all experienced subjective complaints arising from NO2 and SO2 gas. Based on statistical tests using SPSS with Two Way ANOVA method that has been done shows that health complaints are affected by NO2, SO2, and work locations. Based on the results of the data processing interaction test using the SPSS program shows the interaction between the influence of NO2 or SO2 and the work location.
Analisis Penjadwalan Pembuatan Heat Exchanger Menggunakan Critical Path Method Ahmad Habibi; Supriyadi Supriyadi; Tri Joko Wibowo
Jurnal INTECH Teknik Industri Universitas Serang Raya Vol. 2 No. 1 (2016)
Publisher : Universitas Serang Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (471.447 KB) | DOI: 10.30656/intech.v2i1.860

Abstract

The problem that often occurs in manufacturing companies is that companies sometimes experience delays in project completion. One of the factors that caused delays was that the company still randomly carried out any activities that took precedence over the process. With these problems, causing losses that are not good for both the implementer and the project owner. This will also have a negative impact on the company, including worsening the image of companies that seem unable to complete the project according to the agreed contract. This study aims to determine which activities in the critical path for initial conditions and acceleration, to know the difference in processing time from the initial conditions and the acceleration conditions, to know the difference in processing time from the initial conditions and the acceleration conditions, and to know the benefits of project costs which occurs between initial conditions and conditions after acceleration. This study uses the Critical Path Method method to determine the determination of the schedule and the estimated time is deterministic / definite and determine which activities are considered critical paths with the duration of this project for 192 working days. Based on the results of research critical activities in the initial conditions with 192 days. While for acceleration conditions, the completion time is 182 days with 2 critical trajectories which includes 17 production activities which all activities enter critical crossings. The optimal duration of the project is 182 days with a total project cost of Rp.900,000,000 on the alternative to adding overtime hours.
Perbaikan Kualitas Layanan dengan Pendekatan Servqual dan Importance Performance Analysis Rahman Manurung; Supriyadi Supriyadi; Tri Joko Wibowo
Jurnal INTECH Teknik Industri Universitas Serang Raya Vol. 2 No. 1 (2016)
Publisher : Universitas Serang Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30656/intech.v2i1.861

Abstract

Customer satisfaction in the service sector is an important and decisive element in developing the company so that it still exists in the face of competition. Improving service to consumers is very important in an effort to increase customer satisfaction. The problems faced by companies today are inefficiencies in the service process caused by the amount of waste and non-value added activities that can harm the company, such as handling damage to slow piping, frequent complaints from customers, thus impacting consumer satisfaction. This study aims to identify the expectations or desires of consumers, the level of customer satisfaction with the quality of services and propose improvements to service quality based on priority improvements from the IPA diagram. This study, using questionnaires, interviews and observations in data collection. Research respondents were all representatives of consumers totaling 10 companies. Survey results are processed using validity and reliability, Servqual and Importance Performance Analysis (IPA) tests. The results showed that the level of customer satisfaction with the average service quality was still unsatisfactory. This is evidenced by the results of a negative gap obtained from all dimensions measured. To improve the quality of service can be done by fostering communication with the supplier (Pertamina) to make a special pipeline so that the flow of gas from the supplier is not divided with other distributors, making automatic control valve from the supplier, doing regular service, cooperation with other suppliers to back up gas when the supply from the main supplier is disrupted, and provides compensation for gas supply to consumers who experience gas supply shortages
Analisis Time Series Perencanaan Inventory Naphtha dan Penentuan Reorder Point pada Crude C4 Kefin Rendi Kuncoro; Gina Ramayanti; Rosihin Rosihin
Jurnal INTECH Teknik Industri Universitas Serang Raya Vol. 2 No. 1 (2016)
Publisher : Universitas Serang Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30656/intech.v2i1.863

Abstract

The raw material used by this company is the result of refining petroleum in the form of naphtha and crude c4. In this discussion, there was often a buildup of ships in the Anchorage area before leaning on the Jetty because there was no ready storage of raw materials to receive cargo. To overcome the problem in inventory naphtha, it uses the exponential smoothing method by finding the smallest MAD. And to overcome the difficulty in C4 crude using the reorder point method to determine the existing safety stock. Based on the results of calculations using the exponential smoothing method, the smallest MAD is obtained which is 5099.66 with a value of α 0.9. And with the estimate of safety stock for naphtha tanks that is equal to 11898.5 tons with a safety factor of 95%. The results of the reorder point calculation on Crude C4 obtained a safety stock of 1959 Tons with ROP (Reorder Point) of 3959 Tons which means that when supplies have reached ROP, it is recommended to send the Crude C4 product to the shipment so that excessive production does not accumulate in the tank.
Analisa Peningkatan Kualitas Pelayanan Kesehatan Di Pusat Pelayanan Kesehatan Paru Kota Cilegon dengan Metode Potential Gain In Customer Values Leon Hafid EL Rasyid; Ahmad Nalhadi; Supriyadi Supriyadi
Jurnal INTECH Teknik Industri Universitas Serang Raya Vol. 2 No. 1 (2016)
Publisher : Universitas Serang Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30656/intech.v2i1.864

Abstract

Improving service quality is one way to improve services so patients can be adequately treated. TB lung disease is one of the diseases that many people experience, so it requires more planned action. This study aims to analyse the attributes that cause patient dissatisfaction and determine improvement strategies to improve service quality. The research was conducted at the Cilegon Lung Health Service Centre using the Importance Performance Analysis and Potential Gain in Customer Value methods. The study used 47 respondents. The results of priority improvements using the IPA method obtained attributes that get priority improvements: the availability of a large parking lot, P2KP equipment facilities, waiting room facilities, reliable and fast examination, treatment and care services, P2KP location, and cleanliness, beauty and comfort of P2KP. At the same time, priority improvements based on Potential Gain in Customer Value are the availability of a large parking lot, P2KP equipment facilities, fast patient admission procedures, waiting room facilities, reliable and fast examination, treatment and care services, P2KP location, ease of patients in submitting complaints, cleanliness, beauty and comfort of P2KP and doctors always on site if needed.

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