Judul: Pengembangan Jadwal Produksi Berbasis Web di PT Sinar Sosro KPB Tambun, Bekasi – Jawa Barat
Abstrak: Production scheduling is an important factor for implementation of production process. A large amount of idle time and queuing process on using heat exchanger plate in kitchen unit becomes a problem in production scheduling at PT Sinar Sosro-Tambun Site. Solutions for these problems are create production and detailed daily work scheduling. For production scheduling, critical ratio method considered to be the most suitable to company characteristics that demand and delivery must be done based on daily basis. The value of critical ratio derived by ratio of supply product and demand product. Production scheduling process with the critical ratio method constructs a production schedule from the lowest to the highest ratio based on critical values and adjusts to production lines that are used. Effectiveness of production scheduling known from value of production machine utilization that derived by ratio of actual usage time and availability of capacity time. Scheduling model develops in Sosro Production Scheduling Information Systems program version 1.0 (JPS SI 1.0) by using php programming. After production scheduling, machine utilization value will be decrease which means effectiveness of desired production scheduling can be achieved. Implementing scheduling process can also reduce idle time on production process. Scheduling model would be better implemented if integrated to inventory scheduling model and consider to engine damage condition.
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Judul: Model Penjadwalan Produksi Di PT. Gasandry, Bogor.
Abstrak: Production scheduling is an important element in industry planning production. In the hierarchy of decision making, scheduling is the last step before the commencement of production. Many companies have problems to deliver goods on time, late of work, overtime, and the number of idle workstations. All these will lead to wasteful activities and the high production cost. PT.Gasandry (GS) Bogor is a beverage packaging coffee company. Number of idle time is becoming one of the production scheduling problems. There should be mechanisms of activities to achieve an efficiency and effectiveness of production. Those activities consist of the transformation of raw materials with a particular sequence, use of machinery facilities, equipment and labor. This research is aimed to identify factors associated with the company scheduling and find the best production alternative scheduling model, which is appropriate with the conditions and characteristics of the company. This research is using heuristic method which is developed from the process of arithmetic and mathematical logic. This method is considered as a good method to streamline the production scheduling in PT Gasandry. PT.Gasandry is producing six products, such as ginger coffee milk, coffee milk, coffee mocha, instant coffee, original coffee and sugar ginger. There are three types in the coffee production process. They are milling process, without milling process and packaging process only. The result of this research is production scheduling model that can minimize the idle time. The model was called GSPS 1.0 (Gasandry Production Schedule) which had several models, consisted of product master model, a master model material, model master working days, production needs model, product model in and out of warehouses, enter the material model, material model and message scheduling model. GSPS 1.0 will help the production scheduling easier. For implementation purposes, GSPS 1.0 is an integrated system of a computer program Borland Delphi 7.0 as the software for user interfaces and Ms. Access 2007 as base data. From the result of scheduling that has been made, PT Gasandry will be able to optimize the working time of workers by reducing the number of workers to a maximum of 18 person / days of the initial 30 man / days in average of demand is 22.935 dozen/month. Production scheduling in PT.Gasandry is influenced by product varian, products demand, product tolerance store, production time, and capacity of packaging machinery. Critical factor in the preparation of production scheduling in PT.Gasandry is the capacity of packaging machinery.
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Judul: Tawon Eucoilinae (Hymenoptera: Figitidae) di Pegunungan Mekongga, Sulawesi Tenggara: Keanekaragaman Berdasarkan Tipe Habitat dan Ketinggian.
Abstrak: Eucoilinae merupakan subfamili dari Figitidae yang memiliki jumlah spesies dan individu paling banyak dan memiliki distribusi yang luas. Eucoilinae hidup sebagai endoparasit pada larva Diptera yang hidup pada jaringan tanaman maupun yang hidup sebagai saprofag. Penelitian ini bertujuan mempelajari keanekaragaman tawon Eucoilinae di Pegunungan Mekongga. Sampel Eucoilinae dikoleksi pada tahun 2009-2011 oleh tim peneliti kerjasama Lembaga Ilmu Pengetahuan Indonesia (LIPI) dengan International Cooperative Biodiversity Group (ICBG) UC Davis, menggunakan perangkap Malaise, perangkap yellow pan, dan jaring serangga. Berdasarkan sampel tersebut, didapatkan 357 individu Eucoilinae yang termasuk ke dalam 14 genus dan paling tidak 66 morfospesies. Genus yang ditemukan adalah Ganaspis, Leptopilina, Didyctium, Rhoptromeris, Linoeucoila, Afrostilba, Leptolamina, Kleidotoma, Araeaspis, Hexacola, Ealata, Endecameris, Gastraspis, dan Nordlanderia. Jumlah individu Eucoilinae tertinggi terdapat pada ketinggian 100-450 m dpl di habitat hutan sekunder campuran (205 individu, 13 genus). Keragaman Eucoilinae di Pegunungan Mekongga tergolong kategori sedang (H’=1,64) dengan penyebaran yang merata (E=0,62). Perangkap Malaise merupakan perangkap yang paling efektif untuk menangkap Eucoilinae.
Keyword: Eucoilinae, Figitidae, keanekaragaman, Mekongga, Sulawesi