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Journal : Jurnal Penelitian Hasil Hutan

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UJI COBA PENGELUARAN KAYU DI HUTAN TANAMAN PULAU LAUT DENGAN SISTEM KABEL LAYANG P3HH20 YANG DISEMPURNAKAN Dulsalam Dulsalam; Djaban Tinambunan
Jurnal Penelitian Hasil Hutan Vol 20, No 4 (2002): Buletin Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2002.20.4.313-331

Abstract

log extraction in undulating forest areas needs special attention. Forest Products Research Centre has made improvement on P3HH20 skyline system designed for extracting log on undulating area. The equipment consists of three main parts such as power machine unit, wire rope and its auxillary and carriage intended to guide log movement. At the first time, the capacity of the equipment was only 0.308 m3/round trip. In 1998, the equipment was improved and then in 1999 was tried to extract logs in forest plantation of PT Inhutani II. Pulau Laut. South Kalimantan. The choice of the location was done purposively. The objective is to prove whether the impoved P3HH20 skyline system is suitable for extracting log in plantation forest area having undulating terrain. The research results showed that:1. The use of improved P3HH20 skyline cable system for log extraction in plantation forest Pulau Laut provides promising suitability with still relatively low productivity,2. log diameter extracted ranged from 17 to 43 cm with an average of 23 cm while log length extracted ranged from 8 m to 12 m with an average of 11 m.3. log volume extracted varied from 0.026 to 0.309 m3/round trip with an average of 0.160 m3/round trip.4. Effective log extraction productivities ranged from 1.404 to 2.810 m3 (hour with an average of 1.980 m3/hour while the total log extraction productivities varied from 0.485 to 1.080 m3/hour with an average of 0.885 m/hour.5. The average of log extraction cost was Rp 23.572/m3.6. To increase log extraction productivity. it is suggested that further improvement on ballast and endless cable need to be done. as well as further trial infield operations.
EFISIENSI PENGANGKUTAN DAN MUAT BONGKAR KAYU DI SUATU PENGUSAHAAN HUTAN DI KALIMANTAN TENGAH Dulsalam Dulsalam; Arifin Suzanto
Jurnal Penelitian Hasil Hutan Vol 15, No 1 (1997): Buletin Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.1997.15.1.7-17

Abstract

Penelitian efisiensi dan muat bongkar kayu telah dilakukan di satu HPH di Kalimantan Tengah pada tahun 1994. Tujuan penelitian adalah untuk mendapatkan informasi tentang eflsiensi kegiatan pengangkutan dan muat-bongkar kayu guna meningkatkan produktivitas kerja. Data volume kayu yang diangkut, dimuat dan dibongkar serta waktu kerja pengangkutan, muat dan bongkar dikumpulkanDari hasil pembahasan dapat disimpulkan bahwa rata-rata pengangkutan kayu oleh, kelompok truk A dan truk B adalah 784,09 m3/jam dengan efisiensi sebesar 53,22% dan 987,87 m3/jam dengan efisiensi sebesar 57,71%. Selain itu rata-rata muat bongkar adalah 12,82  m3m/menit dengan tingkat efisiensi sebesar 81,88% dan 73,73 m3m/menit dengan tingkat efisiensi sebesar 56,04%. Untuk meningkatkan produktivitas ddan efisiensi kegiatan pengangkutan, muat dan bongkar kayu dapat dilakukan melalui persiapan masing-masing kegiatan yang memugkinkan kegiatan tersebut dapat berjalan dengan baik.
Co-Authors Apul Sianturi Arifin Suzanto Djaban Tinambuman Djaban Tinambunan Djaban Tinambunan Ishak Sumantri Ishak Sumantri Sumantri Jurnalis Thaib M Sinaga Machfudh Machfudh Maman M Idris osly rachman Rahardjo S Suparto Soenarno Soenarno Sona Suhartana Sukadaryati Sukadaryati Sukanda Sukanda Wesman Edom Wesman Endom Yayan Sugilar Yuniawati Yuniawati Zakaria Basari