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Ujang Cahyadi
Institut Teknologi Garut
Economics, Econometrics & Finance Education Industrial & Manufacturing Engineering Social Sciences

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Perencanaan Pengendalian Polusi Udara pada Lingkungan Kerja KN. Collection Yusuf Mauluddin; Ujang Cahyadi; Mirna Maria
Jurnal Kalibrasi Vol 21 No 2 (2023): Jurnal Kalibrasi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/kalibrasi/v.21-2.1193

Abstract

KN. COLLECTION is a factory that produces skullcaps, located at Kp. By the way, Samarang Garut. In production which involves human labor and the workplace environment, there are dangerous factors that can harm workers' health. One of them is dust in the workplace environment. while in room area 2 (Manual Knitting Machine) it is 150 AQI. The dust content value in these two areas has exceeded the threshold value of 60 AQI. Data collection was carried out using quantitative data collection techniques, namely sampling 30 data, then testing the data for normality using SPSS with the Kolgomorv Smirnov method, the results showed that the data was normally distributed. Based on the control analysis that has been carried out using the FMEA method to find the cause of the air pollution that occurred in the production work room of KN. COLLECTION. In the risk assessment process using FMEA, the assessment components are divided into 3 components, namely Occurrence, Risk Impact and Risk Detection. The research carried out has the aim of obtaining results (output) in the form of proposed improvements that can be implemented by the company to minimize air pollution that occurs in the company. Namely, with the proposal to add an Exhaust Fan from the inside out to regulate the release of dust from inside the room out of the room, to help ensure indoor air circulation remains clean, healthy and fresh. As well as the proposed filter on the machine that emits dust, a drainage channel for the dust is also created, in order to minimize the dust produced by the automatic knitting machine at KN. COLLECTION and creating a clean and comfortable work environment for production.
Optimasi Persediaan Perencanaan dan Pengendalian Biaya Air Minum Kemasan di CV. Dinasti 611 Dody Chandrahadinata; Ujang Cahyadi; Uji Ramdani
Jurnal Kalibrasi Vol 21 No 2 (2023): Jurnal Kalibrasi
Publisher : Institut Teknologi Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33364/kalibrasi/v.21-2.1253

Abstract

CV Dynasty is a trading company engaged in the distribution of bottled drinking water. The CV Dynasty 611 company collaborates with suppliers to supply bottled drinking water. In carrying out its business processes, this company is often hampered by inventory management. This can be seen from the accumulation of goods and frequent placing of orders with suppliers, as well as problems in fulfilling products to consumers. So a method is needed to solve problems in inventory management and optimize storage and ordering costs and avoid buildup in the warehouse. So the inventory management method was chosen Economic order quantity, silver meal heuristic and Min – max method. These three methods are inventory management methods which are expected to be able to solve problems that occur at the CV Dynasty 611 company. The EOQ method produces an order frequency of 19 times, safety stock of 102 crates, ROP of 118 crates with a total inventory cost of IDR 36,925,824 and inventory cost efficiency of IDR 2,226,976 with an inventory cost efficiency percentage of 6%. Meanwhile, using the silver meal heuristic method produces an ordering frequency of 12 times a year, safety stock 156, ROP 114, total inventory costs IDR 8,881088 with inventory cost efficiency IDR 30,271,712 with a percentage of 77%. Meanwhile, using the min - max method produces an order frequency of 13 times in one year with a safety stock of 102 crates, ROP 114 crates with a total inventory cost of 34,071,456 with an inventory cost efficiency of IDR 5,081,341 with an inventory cost efficiency percentage of 13%. Therefore, it is recommended that companies use the silver meal heuristic method to optimize inventory costs.
PENINGKATAN KUALITAS PELAYANAN DI BENGKEL ALVA JAYA MOTOR MENGGUNAKAN METODE FUZZY SERVQUAL Doddy Chandrahadinata; Dedi Sa’dudin Taptajani; Ujang Cahyadi
Jurnal Akuntansi dan Pajak Vol 23, No 2 (2023): JAP : Vol. 23, No. 2, Agustus 2022 - Januari 2023
Publisher : ITB AAS INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29040/jap.v23i2.7373

Abstract

Bengkel Alva Jaya Motor merupakan salah satu perusahaan yang bergerak di bidang jasa service sepda motor. Dalam menghadapi persaingannya pihak perusahaan harus dapat memenuhi harapan dari konsumen, supaya konsumen puas dengan pelayanan yang diberikan. Maka penelitian ini bertujuan meningkatkan kualitas pelayanan di Bengkel Alva Jaya Motor menggunakan tools/metode fuzzy servqual. Metode ini membandingkan tingkat persepsi dan harapan yang diterima berdasarkan lima dimensi kualitas yaitu tangibles, responsiveness, reliability, assurance dan emphaty. Data yang digunakan untuk penelitian yaitu data kuisioner dari pelanggan dan data yang didapatkan langsung dengan wawancara pihak perusahaan. Adapun hasil penelitian ini belum sesuai dengan yang diharapkan oleh para pelanggan, dimana pada dimensi tangibles itu sendiri mendapat nilai gap terbesar yang berarti harus dilakukan peningkatan kualitas pelayanan. Juga dalam analisis penelitian ini yang menggunakan metode root cause analysis untuk mengetahui apa penyebab dan solusi yang harus dilakukan.
ANALISIS EFISIENSI KINERJA RANTAI PASOK MENGGUNAKAN METODE DATA ENVELOPMENT ANALYSIS DI CV BLESSING COFFEE Ujang Cahyadi; Muhammad Syauqi Mubarok; Doddy Chandrahadinata
Jurnal Akuntansi dan Pajak Vol 23, No 2 (2023): JAP : Vol. 23, No. 2, Agustus 2022 - Januari 2023
Publisher : ITB AAS INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29040/jap.v23i2.7374

Abstract

Setiap perusahaan membutuhkan rantai pasok yang efisien dalam memenuhi permintaan konsumen, petani kopi adalah elemen yang sangat penting dalam rantai pasok kopi sebagai pemasok. Jika pemasok yang baik tidak dipilih, semua upaya rantai pasok lainnya akan gagal, Pengukuran efisiensi pemasok kopi perlu dilakukan untuk mengetahui kinerjanya guna untuk meningkatkan daya saing dan mengoptimalkan keuntungan. Blessing Coffe merupakan perusahaan yang bersaing dalam memproduksi kopi terbaik jenis Greenbean dan Roastbean. Penelitian ini bertujuan untuk memetakan rantai pasok, mengetahui nilai efisiensi kinerja rantai pasok, dan strategi perbaikan rantai pasok. Metode yang digunakan untuk mengukur nilai efisiensi ini yaitu menggunakan metode Data Envelopment Analysis (DEA). Hasil penelitian menunjukan bahwa mekanisme rantai pasok yang terjadi yaitu petani mitra sebagai pemasok, Blessing Coffee dan retailer. Terdapat 2 Petani mitra yang memiliki nilai efisiensi dengan kategori tidak efisien yaitu Petani 2 dengan nilai 0,92 dan Petani 3 dengan nilai efisiensi 0.89 sedangkan hasil analisis efisiensi kinerja rantai pasok pada Blessing Coffe memiliki nilai efisien dari semua variabel. Strategi yang digunakan untuk Petani 2 dan Petani 3 yaitu mengurangi nilai input variabel lead time dan cash to cash cycle time dengan menambahkan pegawai baru untuk menambah gerak kinerja dari setiap petani.
Co-Authors Acep Rahmat Hidayat Dedi Sa'dudin Taptajani Doddy Chandrahadinata Dody Chandrahadinata Encep Jianul Hayat Fahad Fauzan Firdaus Ilham Aji Maulana M Rizal Rosidin M. Zaky Darojat Mirna Maria Muhamad Nurjaman Muhamad Risky Gahara Muhammad Syauqi Mubarok Uji Ramdani Yusuf Mauluddin