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Journal : Jurnal Penelitian Hasil Hutan

 2   3   4   5   6 
INTENSITAS PENGGUNAAN JALAN HUTAN SEBAGAI PRASARANA PENGANGKUTAN KAYU DI TIGA PERUSAHAAN HUTAN DI JAMBI DAN KALIMANTAN SELATAN Dulsalam Dulsalam
Jurnal Penelitian Hasil Hutan Vol 10, No 5 (1992): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.1992.10.5.179 - 185

Abstract

This paper presents the results of an investigation on the use of forest roads as log transportation infrastructure at two logging companies in Jambi  and one logging company in South Kalimantan  carried out in 1990. The objective is to find out the information of the intensity of forest roads use as log transportation infrastructure.  For that purpose, the data on forest road length (km) and actual log production  (m3)  for the period of between three and  ten years were  collected. The results reveal that:1.   Forest roads at several forest companies in Sumatra  and Kalimantan  were commonly unpaved, and therefore, can only be used when they are dry.2.  The average lengths of forest roads built by A, B and C  companies were 6.050 km/year  with the range of between 2.000 and  13.000  km/year;  and  12. 733 km/year  with  the range of between 7.600  and  19.800  km/year;   11.275 km /year with the range of between 2: 565 and 22. 650 km /year, respectively.3.   Actual  log production  ranged from 18,045,48  to 45,555.60  m3 /year  with  the average of 27,249.88 m3 /year for A company; from 19,484.07 to 41,526.29 m3 /year with the average of 31,485.36  m3 /year for B company; and from 15,892.25 to 54,553.95  m3 /year  with the average of 36,745.30  m3 /year for C company.4.   Correction factor to be used in calculating actual production from target production at A, B and C companies were respectively 0. 74 with the range of between 0.36  and 0.98;  0.97  with the range of between  0.96  and 0.99; and 0. 76 with the range of between 0.32  and 1.09.5.  The intensity of forest roads use as log transportation  infrastructure at A, B and C forest companies range between 1,503. 79 and  17,234.05  m3 / km-year  with  the  average of  7,165. 73 m3 / km-year;  between 984.04   and  4,400. 75 m3 / km-year  with the average of 3,076.61  m3 / km-year; and between 1,352.53  and 13,292. 74 m3 / km- year with the average of 5,147.53  m3 / km-year, respectively.
FAKTOR EKSPLOITASI HUTAN DI SUB REGIONAL KALIMANTAN TIMUR Soenarno Soenarno; Wesman Edom; Zakaria Basari; Dulsalam Dulsalam; Sona Suhartana; Yuniawati Yuniawati
Jurnal Penelitian Hasil Hutan Vol 34, No 4 (2016): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2016.34.4.335-348

Abstract

Dalam pemanfaatan kayu, pemanenan hutan merupakan tahap kegiatan utama yang dilakukan agar potensi pohon dapat dikeluarkan dari dalam hutan. Banyak atau sedikitnya limbah yang terjadi selama proses pemanenan kayu dapat dijadikan tolok ukur faktor eksploitasi (FE). Selama ini, pemerintah menetapkan angka FE sebesar 0,7. Padahal, paradigma pengelolaan hutan alam sudah semakin baik dengan diterapkannya pembalakan berdampak rendah (reduced impact logging/ RIL) dan/atau berdampak rendah karbon (RIL-C). Dilihat dari aspek ekonomis, nilai FE mempunyai peranan sangat penting karena digunakan sebagai pengali didalam menentukan jatah produksi tahunan (JPT) dan dasar untuk menjadi memperkirakan penerimaan besarnya provisi sumberdaya hutan (PSDH). Sedangkan dari aspek ekologis, penetapan nilai FE yang lebih besar dapat mengurangi terjadinya kerusakan hutan. Hasil penelitian yang dilakukan di 5 IUPHHK-HA di Kalimantan Timur menunjukkan besarnya bilangan FE berkisar antara 0,77 - 0,89. Besar kecilnya bilangan FE lebih dipengaruhi oleh faktor ketrampilan penebang dibandingkan dengan factor kompetensi manajemen IUPHHK-HA. 
KERUSAKAN TEGANGAN TINGGAL AKIBAT PENYARADAN DENGAN TRAKTOR PADA BERBAGAI TINGKAT KERAPATAN TEGAKAN Dulsalam Dulsalam; Sukanda Sukanda; Ishak Sumantri
Jurnal Penelitian Hasil Hutan Vol 6, No 6 (1989): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.1989.6.6.349-352

Abstract

An  investigation   on  residual   stand  damages  caused  by skidding  tractor  on several stand  density   levels was carried out  at PT Sumpol   Timber  in South  Kalimantan  in 1987.  Forty   five  sample plots  were selected  randomly  in this research. The purpose   is to gather  information   about  the resdiual stand damages caused by skidding  tractor on several stand density levels.   The  result  of  investigation   reveals that  :                                                                                                                                                                                              1.  The number    of  trees  having   diameter   of  20  cm  and  up  varies   from  80   to  300  trees/ha  with  an  average of  190.22 trees/ha.                                                                                                                                               2.  The  residual stand  damages  for  the  area with  stand  densities  ot < 150,  150 -199,   and >  200  trees/ha  were 16,  7, 28.3,and  39. 0 trees/ha,  respectively.   They  are significantly   different.3.  It  is suggested  that   the  skidding   operations,    especially   in  high  stand  density   levels, be done  with  better  planning   in-order  to save powers,  costs  and  resources.
EFISIENSI PENEBANGAN KAYU DI KAWASAN HUTAN DENGAN SISTEM TEBANG PILlH INDONESIA (The efficiency of tree felling at the natural forest areas using the Indonesian selective cutting and planting system) Dulsalam Dulsalam
Jurnal Penelitian Hasil Hutan Vol 11, No 6 (1993): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.1993.11.6.232-240

Abstract

An investigation of the efficiency of tree felling at forest areas using the Indonesian selective cutting and planting system (TPTI) was carried out at 5 logging companies in Central Kalimantan and 3 other companies in South Kalimantan in 1990. The objective is to find the way increasing the efficiency of tree felling at the natural production forests. For that purpose, data on felled tree volume, actually utilized logs and part of good logs left in the forest were collected. The investigationresults are as follows :1. Considering log diameter of 10 cm and up, the efficiency of improved felling technique can be increased by 6. 23 %.2. By using the improved felling technique, the volume of good quality clear bole logs is increased by 4. 90 %.3. The averages of stump heights between improved and existing felling techniques were 51.07 cm and 114.86 cm, respectively.4. the improved felling technique could increase the quality and volume of log for veneer (from 61.34% to 65. 83%) and for sawn timber (from 10.19 % to 10.45 %).5. It is necessary that the existing felling technical guidance and log administration be improved.
PRODUKTIVITAS TRAKTOR CATERPILLAR D7G DI SUATU PERUSAHAAN HAK PENGUSAHAAN HUTAN DI JAMBI Dulsalam Dulsalam; Sukanda Sukanda
Jurnal Penelitian Hasil Hutan Vol 6, No 6 (1989): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.1989.6.6.368-372

Abstract

An  investigation   on  the  productivity  of  D7G  Caterpillar  tractors  was carried out  at a  forest  company   in Jambi  in 1985.   Three  tractors  were  selected   randomly   to  be  observed.   The productivity  of  these  tractors  was collected   through work   time  study.   The  purpose   is  to  find   the productivities   of  D7G  Caterpillar  tractors  so  that this  information   can  be used  by  forest  companies   in planning  skidding  operations.   This  investigation   results  reveal  that  : 1.  D7G  Caterpillar  tractors  can be used to skid  logs at dryland  forests  having easy and moderate topographies.  At  skidding distances  ranuine from   75 -   535  m  with  an average of 324  m these tractors can skid  logs having volumes  ranging from 5.01 -   16.88  m3/trip   with  an average of 9.08   m3/trip.2.  The  average productivities    of  A,  B and   C skidding   tractors  were  59.22,   89.81 and 123.69   m8.   hm/hour,  respectively.The  productivities    among  tractors  were significantly   different  due  to different skidding  distances,   tractor  conditions, driver  skills,  average stund   volume  per  ha,   soil conditions,   skidded   log volume  and  topography.   The  average produc- tivity  of  the  three  tractors  was  92.09   m3 hm/hour.
PRODUKTIVITAS DAN BIAYA PENGELUARAN KAYU DENGAN SISTEM KABEL P3 HH 20 Dulsalam Dulsalam; Maman M Idris; Wesman Endom
Jurnal Penelitian Hasil Hutan Vol 15, No 3 (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.1997.15.3.151-161

Abstract

Penelitian produktivitas  dan biaya pengeluaran kayu dengan sistem kabel layang P3HH 20 telah dilakukan  di BKPH Segaranten, KPH Sukabumi Perum Perhutani  Unit III, Jawa Barat, pada  tahun  1995.  Tujuannya adalah  untuk menguji  coba sistem kabel  layang  buatan Pusat Penelitian  dan  Pengembangan   Hasil   Hutan   dan  Sosial  Ekonomi  Kehutanan  dan   untuk mengetahui produktivitas   dan  biayanya.  Data  spesifikasi  sistem kabel  layang,  ukuran  kayu yang  dikeluarkan,  waktu kerja,  konsumsi  bahan bakar dan oli,  serta upah pekerja dikumpulkan. Hasil penelitian  ini adalah sebagai berikut :1.Alat pengeluaran  kayu sistem  kabel  layang  buatan Pusat Penelitian  dan Pengembangan Hasil Hutan  dan Sosial Ekonomi  Kehutanan,  berhasil dalam operasi mengeluarkan kayu dari jurang kelereng atas.2.Volume kayu yang  dapat dikeluarkan  dengan alat pengeluaran  kayu sistem kabel  layangP3HH 20 berkisar antara 0,061 - 0,308 m3 /rit dengan rata-rata 0,/14Im3/rit3. Produktivitas sistem kabel layang P3HH 20 bervariasi antara 0,575 - 5,508 m3/jam dengan rata-rata 1,856 m3/jam.4. Rata-rata  biaya  pengeluaran   kayu  dengan  sistem  kabel  layang  P3HH  20  adalah  Rp.9.531/m3.5.Rata-rata biaya pengeluaran kayu sistem kabel layang P3HH 20 lebih rendah dibanding biaya pengeluaran kayu sistem Koller 300 yaitu berturut-turut Rp.9.531/m3 dibanding Rp.33.322/m3.6.Kereta dan mekanisme rem disarankan untuk disempurnakan.
EVALUASI JUMLAH PENGGUNAAN TRUK ANGKUTAN DI SUATU PERUSAHAAN HUTAN DI RIAU (An evaluation of the number of logging trucks used by a forest company in Riau) Dulsalam Dulsalam
Jurnal Penelitian Hasil Hutan Vol 8, No 1 (1990): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.1990.8.1.1-7

Abstract

A  study   of  the  number   of  logging trucks  used  by  a forest  company   in. Riau  was carried out  in 1989.  To  evaluate the  number   pf  logging  trucks,   transport   times  and  load.  volumes  of  logging trucks  were collected  through  a work  time study.   The  objective   is to find  out  the  number  of  loggine trucks   which  meets  the  logging company's   production   target. The  investigation   comes  up  to  the  following   conclusion:1.Log  number  and  load volume  averages hauled  by Nissan  TZ  52  logging trucks  were 4 logs/trip  and  23.84  m3 /trip, respectively.   At  the  distance  of  21 km,  the  logging trucks  normally  took  190.65  minutes  (3.18 hours)  to transport logs from  the  forest  to  log yard.  Logging  trucks  could  transport  logs three  round  trips per  day.2. The  normal  average productivity    of  the  logging trucks  was 71.52  m3  per  day.3.The average productive   time  of  logging trucks  was 80%  while  the average non  productive   time  was 20%.4. The  number   of  logging  trucks  available  was 2 units  which  conformed   with  the  company's   production    target. For better  operations:  it is recommended   that  the company  has one additional  logging truck  to meet  its production  target in the  next  working  plan.
PRODUKTIVITAS DAN BIAYA PENYARADAN KAYU DENGAN TRAKTOR PERTANIAN TYPE FORD 5660 DI HUTAN TANAMAN SEMARAS, PULAU LAUT Dulsalam Dulsalam; Sukadaryati Sukadaryati
Jurnal Penelitian Hasil Hutan Vol 20, No 1 (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.2002.20.1.35-54

Abstract

Investigation on assessing the productivity and cost of log-skidding using a farm tractor type Ford 5660 was carried out at the Semaras plantation forest under PT. lnhutani's concession situated in Pulau Laut (South Kalimantan) in 1999. The objective was to get appropriate and reliable information on the productivity and cost of log-skidding. The data collected were skidding-distance, working time, log volumes, purchasing- cost. and labor wage; and further, they were all incorporated for assessment.The results were: I). Log volumes skidded using the farm tractor ranged between 0.065 - 1.134 m3/ one- trip with an average of 0.434 m3/one- trip, while skidding-distance varied from 0.25 - 1.85 hm with an average of 0.937 hm, 2). Skidding time was in the range of 0.06 - 1. 14 hours/one-trip with an average of 0.23 hours/one-trip, 3). The productivity of log-skidding using the farm tractor recorded between 0.062 -6.086 m3-hm/hour with an average of 2.075 m3-hm/hour, while the cost of log-skidding was in the range of Rp 9,522/m3-hm - Rp 931,000/m3-hm with average at Rp 55.777/m3-hm. and 4). In implemanting the use of fram tractor for logskidding, the log volume and skidding-distance are suggested at about 1.2 m3 and 2 hm, respectively.
JENIS DAN BANYAKNYA KAYU YANG DIPAKAI DALAM KONSTRUKSI JALAN REL DI HUTAN RAWA PROPINSI RIAU Dulsalam Dulsalam; Apul Sianturi
Jurnal Penelitian Hasil Hutan Vol 1, No 2 (1984): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.1984.1.2.23-28

Abstract

An  observation on  the  amount  and  species of  wood  used in rail-road  construction in the swamp forests has been carried out in the PT Alam Wanasaki and PT Tenaga Kampar  concession  areas both  located  in Riau.The observation  revealed  that  the wood  species  used in rail-road construction  at the PT Alam  Wanasaki area consist of 24 species  with  a volume  of  243 m3/km. Those  used at the PT Tenaga Kampar area  consist of 12 species comprising a volume  of  204 m3/km and  the species  used at  the PT Alam  Wanasaki area are mostly  helat  (Xylopia malayana Hooh .f.) with  a total  volume  of  71 m3/km. The same  is found  at the PT Tenaga Kampar  area using a total volume  of 58 m3/km. Other wood  species  used  in  rail-road construction in both  concession  areas consist  of a number  of  commercial  species.Wood  species  which  are  considered   suitable in  the  construction  of  rail-road in  the  swamp  forests  of  PT  Alam Wanasaki are  among  others: bintangur (Callophyllum .spp.), gelam   (Eugenia spp.), medang  (Litsea spp.),   menggeris (Koompassia  spp.), pelawan  (Tristania obovata  R.Br.), punak (Tetramerista glabra Miq.),  resak (Cotylelobium melanoxylon Pierre.),  tempurung (Baccaurea spp.), and  tembesu  (Fagraea spp.),  comprising  about 16%  of the  total  volume  used in the  construction.Wood species  selected  for  rail-road construction   at  the  PT  Tenaga Kampar  concession  area are: bintangur  (Callophyllum spp.),  medang  (Litsea  spp.), and punak  (Tetramerista glabra Miq.), comprising  32% of the total amount  of wood used in the  construction.Both  companies  made  efforts  to onlv  use durable  wood  species,  however,  such  species are scarce.  
PENILAIAN JUMLAH PENGGUNAAN TRUK ANGKUTAN DI DUA PERUSAHAAN HUTAN DI SUMATERA BARAT Dulsalam Dulsalam
Jurnal Penelitian Hasil Hutan Vol 6, No 8 (1990): Jurnal Penelitian Hasil Hutan
Publisher : Pusat Penelitian dan Pengembangan Hasil Hutan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.1990.6.8.493 - 499

Abstract

A  study   on  the productivity  of  logging trucks  at  two  forest  companies  was done  in 1984, and  the result  is reported in  this article. Four logging  trucks  used by PT Ragusa  and  five by PT Pasar Besar were selected  randomly to study transport time and load  volumes  through work  time  study. The  purpose is to find out the optimum number of  trucks  suitable to transport logs from the forests to log ponds, processing places or other  distribution  point.  The result shows  that:Isuzu  TWD 20 trucks  were used to transport  logs at the  two forest  companies.The average log volume  per  and  trip  transportation at PT  Ragusa and PT Pasar Besar were  15.20 m3 and 12.84  m3, respectively.Average productivity at PT Ragusa and PT Pasar Besar were 45.6 m3/day  and 25.68  m3/day, respectively.Logging truck productivities were possibly influenced by load volumes and transport  distance.The  number of  logging  trucks  actually urged  in  hauling  logs at PT  Ragusa and  PT Pasar Besar were  5 and 11 units, respectively. Procurement of  new or reparation  of  idle  logging trucks  is strongly recommended.
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