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: Monograf Marga Diplycosia (Ericaceae) di Niugini.
Abstrak: Diplycosia (Ericaceae) merupakan marga yang secara taksonomi masih kurang dipelajari. Distribusi marga ini hampir terbatas di kawasan Malesia dan banyak jenis merupakan endemik satu pulau atau satu pegunungan. Niugini yang terletak di kawasan Malesia bagian timur merupakan kawasan yang dikategorikan sebagai pusat keberagaman Diplycosia dengan 21 jenis dilaporkan pada penelitian-penelitian sebelumnya. Sebagian besar jenis Diplycosia di Niugini diketahui dari jumlah spesimen yang terbatas, mulai hanya diketahui dari spesimen tipe atau sedikit sekali spesimen, atau belum diketahui sepenuhnya morfologi bunganya. Oleh karena itu, studi taksonomi perlu dilakukan kembali pada marga Diplycosia di Niugini. Selain itu, meskipun sebagian besar jenis jenis endemik dengan kisaran geografis yang sempit, status konservasi untuk 17 jenis belum pernah dilakukan. Hal ini menjadikan suatu hambatan dalam penyusunan strategi konservasi sehingga evaluasi status konservasi perlu dilakukan. Konsep jenis morfologi digunakan dalam studi taksonomi kali ini. Data keberagaman jenis diperoleh dari studi pada berbagai institusi herbarium baik secara langsung atau digital, meliputi Australian National Herbarium (CANB), Harvard University (A), Muséum National d'Histoire Naturelle, Paris (P), Naturalis History Museum Firenze (FI), Naturalis Leiden (L), Papua New Guinea Forest Research Institute (LAE), PT Freeport Indonesia (akronim tentatif FRE), Puslit Biologi Lembaga Ilmu Pengetahuan Indonesia (BO), Royal Botanic Gardens Kew (K), dan Universitas Papua (MAN). Eksplorasi lapangan juga dilakukan di Niugini bagian Indonesia, yaitu di kawasan Pegunungan Arfak dan Puncak Jaya. Studi anatomi ciri kualitatif pada epidermis daun juga dilakukan. Evaluasi status konservasi dilakukan dengan panduan dari IUCN dan dibantu dengan aplikasi GeoCAT. Sejumlah 26 jenis dicatat untuk kawasan Niugini. Jumlah ini termasuk jenis yang telah diusulkan sebagai jenis baru yaitu D. papuana Mustaqim, Utteridge & Heatubun dan empat jenis yang diusulkan dalam penelitian ini. Keempat jenis tersebut adalah Diplycosia elegans Mustaqim, Utteridge & Heatubun, D. hexamera Mustaqim, Utteridge & Heatubun, Diplycosia puradyatmikai Mustaqim, Utteridge & Heatubun, dan Diplycosia reticulifolia Mustaqim, Utteridge & Heatubun.Satu varietas baru juga diusulkan yaitu Diplycosia lorentzii var. acuminata Mustaqim, Utteridge & Heatubun. Diplycosia morobeensis var. ovatifolia Sleumer dijadikan sebagai sinonim dari Diplycosia morobeensis Sleumer. Hasil studi menunjukkan wilayah Niugini bagian Indonesia di bagian barat dihuni lebih banyak jenis dibandingkan wilayah Papua Niugini di bagian timur. Sejauh ini, kawasan tengah mulai dari Pegunungan Jayawijaya ke arah timur hingga sebelum perbatasan Indonesia dan Papua Niugini merupakan kawasan dengan keberagaman jenis tertinggi meskipun eksplorasi botani masih sedikit. Pada tingkatan jenis, distribusi di Niugini bervariasi dari luas hingga sangat sempit, seperti satu pegunungan atau dari satu lokasi. Diplycosia di Niugini tumbuh sebagai semak epifit atau terestrial dengan hutan berlumut sebagai habitat yang paling penting hingga ke zona alpin. Kisaran elevasi mulai dari 800 m di Semenanjung Wandammen pada D. kosteri dan 4000 m di Gunung Giluwe untuk D. morobeensis dan D. rupicola. Sebanyak tujuh jenis dilaporkan menghuni kawasan alpin termasuk jenis baru yaitu D. elegans. Berdasarkan studi yang dilakukan, terdapat dua informasi baru untuk ciri marga Diplycosia. Pertama, benang sari teramati dimorfik pada beberapa jenis. Perbedaan bentuk terdapat pada ukuran dan bentuk dari tangkai dan kepala sari. Setelah ditelusuri, ciri ini tidak dapat digunakan untuk membedakan dengan marga terdekat Gaultheria. Kedua, bunga dengan bagian berkelipatan 6 juga berhasil diamati dari jenis Diplycosia di
Keyword: epifit, Ericaceae, jenis baru, Malesia timur, status konservasi, taksonomi