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Sawarni Hasibuan
Universitas Mercu Buana
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OPTIMASI KEMAMPUAN PRODUKSI ALAT BERAT DALAM RANGKA PRODUKTIFITAS DAN KEBERLANJUTAN BISNIS PERTAMBANGAN BATUBARA: STUDI KASUS AREA PERTAMBANGAN KALIMANTAN TIMUR Alloysius Vendhi Prasmoro; Sawarni Hasibuan
Operations Excellence: Journal of Applied Industrial Engineering Vol 10, No 1, (2018): OE Maret 2018
Publisher : Universitas Mercu Buana

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Abstract

Coal mining business is now faced with various challenges such as export restrictions policy, an increase in value added products, and the decline in market prices of products. To be able to compete, mining companies are expected to increase productivity and efficiency and make continuous improvements in the production process. In the mining process, the availability of equipment and dump truck unloading tool will determine the sustainability of production that have an impact on productivity and efficiency. The purpose of this study was to optimize the production of coal mining in the context of the efficient use of equipment using the match factor, queues, and linear programming. The research location is in the area of the mining concession contractor PT KTD is in the village of Embalut, District Tenggarong Seberang, Kertanegara Kutai Regency, East Kalimantan in October-November 2015. Unloading equipment used backhoe excavator is 5 units and 32 units of dump trucks. The simulation results match factor generated by the method optimal dump truck needs 26 units, while the queuing method and linear programming as much as 25 units of dump truck. The results of production optimization with linear programming method produced mining productivity of 1,208 BCM of overburden per hour with the optimum cost of $ 0909/BCM.
Strategi mitigasi risiko proyek konstruksi utilitas piping dan sipil: Studi kasus PDAM Jakarta Safruddin MJ; Sawarni Hasibuan
Operations Excellence: Journal of Applied Industrial Engineering Vol 12, No 1, (2020): OE Maret 2020
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/oe.2020.v12.i1.007

Abstract

Construction activities such as piping and civil works utilities always potentially pose a risk. Therefore, risk management is indispensable for the success of a construction project. The pipeline and Civil works construction project to meet the distribution of clean water needs in Jakarta through the Cooperation Agreement  PDAM Pam Jaya and PT Pam Lyonnaise Jaya (Palyja) potentially generate various risks. The purpose of this research is to analyse risk management on piping and civil works utility construction using the house of risk model.  Research is conducted through two phases. The first phase is the identification of risks and risk agents in the piping and civil works utility construction through the measurement of severity and occurrence levels to produce an aggregate risk priority (ARP), then conducts a risk mitigation analysis in the second phase. 60 respondents involved in the study consisting of project managers, supervisors, and engineers on pipeline and civil works construction projects. The results of the analysis successfully identified 60 risk events and 38 risk agents in the construction of utility piping and work civil PDAM Pam Jaya. FGD and Pareto analysis used in the study produced five recommendations for mitigation actions that are expected to be able to mitigate risk on piping and civil utility construction by establishing QA/QC independently/cooperation, take corrective action (corrective action), conduct testing or testing with the applicable provisions, implement ISO certification of 9001:2015 quality management, and perform training on procedures and standards that apply periodically.
Analisis Manajemen Risiko Rantai Pasok Pada Produk Alat Berat Penunjang Industri Pertambangan Muhamad Atho R; Sawarni Hasibuan
Operations Excellence: Journal of Applied Industrial Engineering Vol 14, No 1, (2022): OE Maret 2022
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/oe.2022.v14.i1.046

Abstract

Manufacturing activities such as trailer products potentially generate various risks. This research aims to analyze risk management in the supply chain of trailer production using the House of Risk (HOR) model. The business activities mapping is using the Supply Chain Operations Reference (SCOR) method which consists of 6 parts of the management process, plan, source, make, deliver return and enable. Research is conducted through two phases of HOR. The HOR 1 activities are the identification of risk events and risk agents based on SCOR mapping, measurement of severity, and occurrence levels to produce an Aggregate Risk Priority (ARP), then determine a priority risk agent in the mitigation process. The HOR 2 is used to determine which actions are to be done first, considering their differing effectiveness as well as resources involved and the degree of difficulties in performing. The company should ideally select a set of actions that are not so difficult to perform but could effectively reduce the probability of risk agents occurring. 7 experience respondents were involved in the study consisting of engineering, procurement, production, warehouse, production planning, after-sales dan quality control. The results of the analysis successfully identified 46 risk events and 41 risk agents in the manufacturing of mining trailers. FGD and Pareto analysis used in the study produced 16 recommendations for mitigation actions that are expected to be able to mitigate risk.
Pemetaan dan strategi peningkatan kinerja Lembaga Pelayanan Perizinan Daerah dengan metode MBNQA-SWOT Hafidz Anggara; Sawarni Hasibuan
Operations Excellence: Journal of Applied Industrial Engineering Vol 12, No 1, (2020): OE Maret 2020
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/oe.2020.v12.i1.003

Abstract

In order to realize bureaucracy reform of public service, especially licensing service and easy doing of business in Indonesia need to be done planning improvement strategy of regional Licensing service. Gap performance analysis regional licensing service board of DKI Jakarta conducted using MBNQA method with criteria MBCfPE version 2017-2018, while the design of the performance improvement strategy of the board of regional licensing services of DKI Jakarta is done with SWOT analysis. The results of the performance measurement of regional licensing service of DKI Jakarta using MBNQA standard resulted in a score of 752,475 which is at the level of an excellent global image with industry leader category. SWOT analysis results put the regional licensing service of DKI Jakarta in the Quadrant I (strengths-opportunities) that recommend the strategy of aggressive. Researchers recommend ten strategies for the performance improvement of the Regional Licensing Service Board of DKI Jakarta. 
PERANCANGAN COLLABORATIVE PLANNING FORECASTING REPLENISHMENT “TRAVEL BAG” PADA TRAVEL AGENT DWIDAYA TOUR Erwin Ramdhanu Kurniawan; Sawarni Hasibuan
Operations Excellence: Journal of Applied Industrial Engineering Vol 9, No 2, (2017): OE Juli 2017
Publisher : Universitas Mercu Buana

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Abstract

Travel bag for the tourism industry was a gift from tour product that was sold at travel agents in the tourism industry. Some of the conditions faced by customers who are departing tour travel bag are not given due to delays in fulfillment and delivery. This has led to poor ratings from customers and received several other losses such as lack of promotion, and testimonials from customers that are less good. With an action research methods of collaborative planning forecasting replenishment of supported data and processing that also use the quantitative forecasting models and assisted reorder point so that it can present the data to be analyzed. From the analysis obtained forecasting models that fit or in accordance with the collaborative planning forecasting replenishment study is the model Multiplicative Decomposition (plus Seasonal Trend), which is then used for process planning, forecasting and reorder point or ROP for replenishment process. Apart from that there is web-based application that is used for collaborative processes. From this action research concluded that collaborative planning forecasting replenishment, forecasting models Multiplicative Decomposition (plus Seasonal Trend), ROP, and collaboration could be a solution to the existing problems and achieve the desired objectives.
PEMETAAN DAN STRATEGI PEMANFAATAN TEKNOLOGI PADA INDUSTRI OLAHAN RUMPUT LAUT INDONESIA YANG BERKELANJUTAN Sawarni Hasibuan
Operations Excellence: Journal of Applied Industrial Engineering Vol 7, No 1, (2015): OE Maret 2015
Publisher : Universitas Mercu Buana

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Abstract

Abstract. The fisheries industrialization program tries to place thedownstreaming of seaweed as one of the strategies to increase the added value ofthe seaweed commodity. However, the competitiveness of the national seaweedindustry is also relatively low compared to foreign industry. One of the problemsof the competitiveness of the processed seaweed industry is because the extent ofthe use of technology in the processed seaweed industry has not been identified.The purpose of this research is to map the use of technology in the processedseaweed industry in downstreaming a competitive and sustainable Indonesianseaweed industry. The mapping of the existing condition of technologyutilization refers to five indicators, namely production aspect, cost aspect, HRaspect, energy aspect, and environmental aspect. The development strategy of theseaweed downstream industry is developed by using the SWOT method. Therecommended technology standard analysis is based on the benchmark method.Results of the analysis shows that the dominant type of technology used is the„semi-mechanical technolgy‟ which mostly comes from Europe/America followedby Japan, local, and China. In order to increase the competitiveness andsustainability of the Indonesian processed seaweed industry, improvements in thefields of artificial drying, high value added (downstream) technology andtechnology for food safety is required. Several action plans required among othersare: the solar system dryer in the upstream industry, the implementation of qualityand food safety management system in the production chain, identification andinvestment of high value products in the seaweed downstream industry.Keywords: seaweed, technology assessment, SWOT, upstream and downstreamindustry
Perencanaan persediaan bahan baku amoxicillin menggunakan metode material requirement planning: studi kasus Firda Pratiwi; Sawarni Hasibuan
Operations Excellence: Journal of Applied Industrial Engineering VOL 12, NO 3, (2020): OE NOVEMBER 2020
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/oe.2020.v12.i3.007

Abstract

PT. XYZ is a pharmaceutical company that produces Amoxicillin. In managing its inventory, PT XYZ has not done a good plan to determine the size of raw material orders. The existence of these problems, a study was conducted with the aim of determining Amoxicillin raw material inventory planning to eliminate the accumulation of raw materials at future. The initial stage is forecasting using three methods, namely Linear Regression, Exponential Smoothing and Moving Average. Of the three forecasting methods, the Linear Regression method provides the smallest error accuracy. The chosen method of forecasting must be carried out in advance of verification test (Moving Range) to be used as a basis for planning future raw material requirements. Furthermore, calculations are carried out using the MRP method to determine the size of the order lot for each raw material and reduce the cost of saving. The lot size technique used includes Lot for Lot (LFL), Economic Order Quantity (EOQ), and Fixed Period Requirement (FPR). Of the three lot size techniques used, the LFL method provides the lowest total cost of inventory.
Optimasi Kinerja Pemindahan Tanah untuk Pekerjaan Jalan Menggunakan Program Linear dari Tinjauan Muatan dan Match Factor Agus Harmoko; Sawarni Hasibuan
Rekayasa Sipil Vol 8, No 2 (2019)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22441/jrs.2019.V08.i2.05

Abstract

Bisnis batubara di Indonesia mengalami peningkatan produksi domestik sebesar 25% dan 5% untuk ekspor tahun 2018. Peningkatan tersebut memicu tumbuhnya pembangunan infrastruktur jalan angkut batubara. Salah satu pekerjaan proyek jalan angkut batubara adalah pengangkutan material tanah untuk pekerjaan timbunan jalan. Kendala yang sering ditemui terbatasnya sumber daya dan mahalnya biaya peralatan. Oleh sebab itu diperlukan penelitian untuk menjawab permasalahan tersebut. Penelitian ini membahas analisa operasional pekerjaan pemindahan tanah proyek jalan angkut batubara berdasarkan tinjauan muatan dan match factor. Metode yang digunakan adalah studi kasus proyek jalan angkut batubara di Kalimantan Tengah dengan menggunakan software Linear Programming (Solver dan WINQSB) untuk memeroleh minimasi kinerja biaya berdasarkan kebutuhan alat. Keterbaruan dari penelitian ini adalah optimasi penggunaan alat dan ketersediaan waktu dari sisi alat untuk penggunaan excavator. Hasil penelitian menunjukkan untuk menyelesaikan pekerjaan pemindahan tanah memerlukan excavator sebanyak 1Unit PC400, 1unit PC300, 1unit PC200 dan alat articulated dump truck (ADT) sebanyak 6unit. Optimasi biaya alat diperoleh sebesar 2% untuk skema sewa dan 1% untuk skema kepemilikan. Efisiensi optimum diperoleh dengan menggunakan kombinasi skema sewa dan kepemilikan dengan komposisi 1unit PC200, 1unit PC300 dan 1unit PC400 dengan skema kepemilikan, sedangkan untuk ADT membutuhkan 6unit dengan skema biaya sewa sehingga efisiensi mencapai 5%.
IMPLEMENTASI SINGLE MINUTE EXCHANGE OF DIES (SMED) UNTUK OPTIMASI WAKTU CHANGEOVER MODEL PADA PRODUKSI PANEL TELEKOMUNIKASI Ahmad Mulyana; Sawarni Hasibuan
SINERGI Vol 21, No 2 (2017)
Publisher : Universitas Mercu Buana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (424.223 KB) | DOI: 10.22441/sinergi.2017.2.005

Abstract

Sebagai salah satu perusahaan pembuat panel telekomunikasi dan panel elektrik, PT. Cometal dihadapkan pada tantangan waktu delivery yang kompetitif.  Permasalahannya perusahaan masih mengalami keterlambatan pengiriman produk ke konsumen akibat lamanya waktu changeover model yang menyebabkan downtime mesin punching pada proses produksi panel telekomunikasi. Untuk mengurangi lead time maka perlu diupayakan minimasi waste pada changeover model di mesin punching.  Tujuan penelitian ini adalah mengidentifikasi faktor penyebab tingginya waktu changeover model pada mesin punching dan melakukan improvement dengan metode SMED (single minute exchange of dies).  Penerapan metode SMED dilakukan dengan mengotimalkan aktifitas eksternal pada produksi panel telekomunikasi melalui koordinasi kegiatan Pengamatan dilakukan selama 30 hari menggunakan studi waktu sebelum dan sesudah implementasi SMED.  Penerapan konsep SMED dilakukan dengan  mengubah 15 aktifitas internal menjadi 5 aktifitas internal dan merekayasa alat bantu gauge tool untuk mengurangi downtime mesin.  Improvement yang diperoleh adalah berkurangnya waktu downtime mesin punching dari 44,90 jam menjadi 10,96 jam atau terjadi penurunan waktu setup sebesar 75, 59 persen.
MINIMISASI WASTE PADA RADIOGRAPHY TEST PROYEK PERLUASAN KILANG MINYAK PT. PERTAMINA CILACAP MENGGUNAKAN METODE DMAIC Victorianus Iva Taufik; Sawarni Hasibuan
Jurnal Ilmiah Teknik Industri Vol 5, No 3 (2017): Jurnal Ilmiah Teknik Industri (Jurnal Keilmuan Teknik dan Manajemen Industri)
Publisher : Program Studi Teknik Industri, Fakultas Teknik Universitas Tarumanagara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24912/jitiuntar.v5i3.2108

Abstract

PT. Sucofindo merupakan salah satu perusahaan yang memiliki izin untuk memanfaatkan bahan radioaktif untuk uji radiografi dalam rangka mendukung pembangunan kilang minyak di proyek Cilacap. Permasalahan yang dihadapi oleh perusahaan adalah hasil tes pengulangan tinggi yang mencapai 8%. Tujuan dari penelitian ini adalah untuk mengurangi pengulangan tes menggunakan metode DMAIC. Pada tahap awal dicoba mengidentifikasi akar penyebab rework yang terjadi selama pengujian dengan Fishbone diagram dan melakukan analisis dari diagram tersebut. Berdasarkan studi, penyebab utama dari masalah yang disebabkan oleh pengulangan rekayasa, pemrosesan film, dan penanganan. Fokus pada masalah utama dengan menggunakan Force Field Analysis (FFA) melakukan penelitian tentang penyebab masalah untuk menentukan usulan perbaikan yang mungkin dari permasalahan yang ada. Proposal alternatif yang dibuat dengan menggunakan FFA, melalui pelatihan dan menyegarkan tentu saja dengan melibatkan para ahli, ada penurunan tingkat kerja pengulangan tes yang dilakukan selama uji pengamatan 3 bulan. Hasil pengujian pengulangan turun dari 8% menjadi 4,21%. Komitmen dan keterlibatan perusahaan manajemen merupakan faktor kunci. Untuk menjaga skor setelah analisis, monitoring dan kontrol dilakukan oleh audit manajemen Kata kunci: Radiografi Test, Limbah / Mengolah / mensyuting ulang, DMAIC, Field Analysis Paksa
Co-Authors Adi Permana Adriana Sari Aryani Ahmad Tanzil Daulay Alam, Fachrul Aljabar, Muhammad Wahid Malik Alloysius Vendhi Prasmoro, Alloysius Vendhi Amar Ma'ruf Amar Ma'ruf Anggara, Hafidz Armenia, Ivan Gustra Manca Bambang Wahyudiono Banuwati, Ninis Bayu Hari Nugroho Bayu Hari Nugroho Bayu Irwanto Bismar Maulani Choesnul Jaqin Citra, Zel Daruki Daruki Daruki, D Deky Aryanto Dewi Nusraningrum, Dewi Dian Widi Astuti, Budi Irawan Prima Putra, Dian Widi Astuti, E.Gumbira Said Edi Djatmika Endang Heriansyah Erwin Ramdhanu Kurniawan Fachrul Alam Fatahillah, Fuad Fia Sri Mumpuni Firda Pratiwi Fuad Fatahillah G. Ayu Arwati, I Ganjar Sidik Gandara Glory Riama Hosianna Gofur, Muhamad Hafidz Anggara Heriansyah, Endang Hermawan Hermawan Hermawan Hermawan Hermawan Thaheer Hermawan, Rino Tri Hery Muhendra Humiras Hardi Purba Irhamni Irhamni Irwanto, Bayu Jamhari Jamhari Jaqin, C Jaqin, Choesnul Jhonny P. Simbolon Joko Sumpono Joko Supono Juliza Hidayati Juniawan, Singgih Kandasamy, J Kartini, Yulfara Kurniawan Agung Susanto Kurniawan, Erwin Ramdhanu Kusuma, Prima Wijaya Lien Herliani Kusumah Mahendra, Dendi Maulani, Bismar Ma’ruf, Amar Meilani, Rahmatika Chasania Meliana, Dita Mirza - MJ, Safruddin Mohamed Mansour Muhamad Atho R Muhammad Fitri, Muhammad Muhammad Wahid Malik Aljabar Muhendra, Hery Nazura, Is Anin Ni Made Ayu Yudawati Parulian, Tunggul Barita Prasetya, Raden Wendrata Prasetyo, Rahmat Dodi Purba, H Hardi Puspasari, Luky Rahmat Dodi Prasetyo Ramli Murgani Rifki Kurniawan Rino Tri Hermawan Rizki, Yulizan Rosalendro Eddy Nugroho Roysen, Uti Rusman Zaenal Abidin Safruddin MJ Sagir Alva Sahirman . Sahirman Sahirman Sahirman Sahirman Saryanto Saryanto Saryanto Saryanto Simbolon, Jhonny P. Sudiyono Sudiyono Sudiyono Sudiyono Suharto H Sumarsono Sudarto Sumpono, Joko Susanto, Kurniawan Agung Syifaul Qulub, Irkham Tunggul Barita Parulian Uly Amrina Victorianus Iva Taufik Winnugroho Wiratman, Manfaluthy Hakim, Tiara Aninditha, Aru W. Sudoyo, Joedo Prihartono Wiwit Suprihatiningsih Yayan Saputra Yayan Saputra, Yayan Yulian Syahputri Yunita, Ika Zainuddin, Zafitri Zulfa Fitri Ikatrinasari