3 Daftar Isi
-
Upload
budi-pramono -
Category
Documents
-
view
221 -
download
3
description
Transcript of 3 Daftar Isi
iv
DAFTAR ISI
HALAMAN SAMPUL .................................................................................................... i
LEMBAR PENGESAHAN ........................................................................................... ii
KATA PENGANTAR .................................................................................................. iii
DAFTAR ISI .................................................................................................................. iv
DAFTAR GAMBAR ................................................................................................... vii
DAFTAR TABEL .......................................................................................................... ix
DAFTAR LAMPIRAN ................................................................................................... x
BAB I PENDAHULUAN ............................................................................................... 1
A. Latar Belakang .............................................................................................. 1
1. Alasan Pemilihan Tempat Praktik Industri ............................................. 1
2. Alasan Pemilihan Bidang yang Dipelajari .............................................. 2
B. Tujuan Praktik Industri ................................................................................. 3
1. Tujuan Secara Umum .............................................................................. 3
2. Tujuan Secara Khusus ............................................................................. 3
C. Manfaat Praktik Industri ............................................................................... 4
1. Manfaat Bagi Mahasiswa ........................................................................ 4
2. Manfaat Bagi Universitas Negeri Yogyakarta ........................................ 4
3. Manfaat Bagi Industri ............................................................................. 5
BAB II PROFIL INDUSTRI .......................................................................................... 6
A. Manajemen Industri ...................................................................................... 6
1. Sejarah PT. Janata Marina Indah ............................................................ 6
2. Lokasi PT. Janata Marina Indah.............................................................. 7
3. Visi dan Misi PT. Janata Marina Indah ................................................... 8
4. Struktur Organisasi PT. Janata Marina Indah ......................................... 9
5. Jenis Pekerjaan ........................................................................................ 9
6. Departemen ........................................................................................... 10
B. Proses Jasa ................................................................................................... 17
C. Peralatan dan Fasilitas yang Digunakan ..................................................... 17
v
BAB III KEGIATAN KEAHLIAN .............................................................................. 26
A. Kegiatan Industri ......................................................................................... 26
B. Peraturan Class dan Survei Kapal Menurut Standar Biro Klasifikasi
Indonesia (BKI) ........................................................................................... 26
1. Annual Survey ....................................................................................... 27
2. Intermediate Survey .............................................................................. 28
3. Renewal Survey atau Spesial Survey .................................................... 29
C. Pembahasan Proses Replating Pada Lambung Kapal ................................. 29
1. Pengertian Replating ............................................................................. 29
2. Pengertian Lambung Kapal ................................................................... 29
3. Proses Replating .................................................................................... 33
a. Kapal Masuk Dock .......................................................................... 34
b. Pembersihan Plat Badan Kapal ....................................................... 36
1) Pembersihan dengan Metode Penyekrapan ............................... 38
2) Pembersihan dengan Metode Waterjet Cleaning ...................... 38
3) Pembersihan dengan Metode Sand Blasting ............................. 39
c. Identifikasi Kerusakan Plat ............................................................. 41
1) Identifikasi secara umum .......................................................... 41
2) Pengukuran Ketebalan Plat Badan Kapal dengan Ultrasonic
Test ............................................................................................ 43
d. Pemotongan Plat ............................................................................. 46
e. Pengelasan Lambung Kapal ............................................................ 49
f. Pengujian Hasil Pengelasan ............................................................ 55
1) Pengujian Secara Visual ............................................................ 55
2) Pengujian Menggunakan Minyak (Solar) dan Kapur................ 56
3) Penyebab Cacat Pada Hasil Pengelasan .................................... 59
BAB IV PERMASALAHAN DAN SOLUSI ............................................................... 62
A. Permasalahan Pada PT Janata Marina Indah .............................................. 62
B. Solusi ........................................................................................................... 63
BAB V KESIMPULAN DAN SARAN ....................................................................... 65
A. Kesimpulan ................................................................................................. 65
vi
B. Saran ............................................................................................................ 66
DAFTAR PUSTAKA ................................................................................................... 68
LAMPIRAN .................................................................................................................. 69
vii
DAFTAR GAMBAR
Gambar 1. Layout Galangan PT. JMI Semarang Unit I .................................................. 7
Gambar 2. Layout Galangan PT. JMI Semarang Unit II................................................. 8
Gambar 3. Struktur Organisasi PT. Janata Marina Indah ............................................... 9
Gambar 4. Prosedur Perbaikan dan Perawatan Kapal ................................................... 17
Gambar 5. Kantor Janata Marina Indah Unit I .............................................................. 18
Gambar 6. Graving Dock JMI Unit I ............................................................................ 18
Gambar 7. Mesin Bubut JMI Unit I .............................................................................. 20
Gambar 8. Bending Machine JMI Unit I ....................................................................... 20
Gambar 9. Graving Dock JMI Unit II ........................................................................... 21
Gambar 10. Gentry Crane JMI Unit II.......................................................................... 22
Gambar 11. Balancer Propeller JMI Unit II ................................................................. 23
Gambar 12. Bending Machine JMI Unit II ................................................................... 23
Gambar 13. Dock Crane JMI Unit II ............................................................................ 24
Gambar 14. Mobile Crane JMI Unit II ......................................................................... 24
Gambar 15. Forklift JMI Unit II ................................................................................... 25
Gambar 17. Panjang Kapal ........................................................................................... 30
Gambar 18. Lebar Kapal ............................................................................................... 30
Gambar 19. Skema Proses Replating ............................................................................ 33
Gambar 20. Skema Singkat Proses Docking ................................................................. 35
Gambar 21. Landasan Kapal Selama Proses Pengedokan ............................................ 36
Gambar 22. Organisme Laut pada Dinding Kapal ........................................................ 37
Gambar 23. Sea Chest ................................................................................................... 37
Gambar 24. Penyekrapan Lambung Kapal ................................................................... 38
Gambar 25. Pot Blast .................................................................................................... 40
Gambar 26. Blast Hose ................................................................................................. 40
Gambar 27. Pembersihan dengan Sand Blasting .......................................................... 41
Gambar 28. Plat yang Terjadi Deformasi ..................................................................... 43
Gambar 29. Alat Ultrasonic Test .................................................................................. 44
Gambar 30. Pengukuran Ketebalan Plat dengan Ultrasonic Test ................................. 44
viii
Gambar 31. Brander Las Potong .................................................................................. 46
Gambar 32. Pemotongan Plat dengan Brander Las ...................................................... 47
Gambar 33. Plat Baru/Plat Pengganti............................................................................ 47
Gambar 34. Pemotongan Plat Baru ............................................................................... 48
Gambar 35. Pembentukan Plat ...................................................................................... 48
Gambar 36. Alat Perlengkapan Las .............................................................................. 49
Gambar 37. Transformator ............................................................................................ 50
Gambar 38. Elektroda ................................................................................................... 50
Gambar 39. Mesin Las SMAW ..................................................................................... 50
Gambar 40. Pengangkatan Plat dengan Mobile Crane ................................................. 51
Gambar 41. Pembuatan las titik .................................................................................... 52
Gambar 42. Tahapan Jalur Las...................................................................................... 53
Gambar 43. Pengelasan Lambung Kapal ...................................................................... 53
Gambar 44. Las Posisi 2G ............................................................................................. 53
Gambar 45. Las Posisi 3G ............................................................................................. 54
Gambar 46. Perataan Permukaan Plat dengan Dipaju .................................................. 54
Gambar 47. Pemasangan Plat dengan Dipaju ............................................................... 54
Gambar 48. Hasil Pengelasan ....................................................................................... 56
Gambar 49. Pemberian Solar dan Kapur....................................................................... 58
Gambar 50. Sambungan Las yang Diberi Kapur .......................................................... 58
Gambar 51. Sambungan Las yang Diberi Solar ............................................................ 58
ix
DAFTAR TABEL
Tabel 1. Fasilitas-Fasilitas di JMI Unit I ....................................................................... 19
Tabel 2. Peralatan-Peralatan di JMI Unit I.................................................................... 19
Tabel 3. Fasilitas-Fasilitas di JMI Unit II ..................................................................... 21
Tabel 4. Peralatan-Peralatan di JMI Unit II .................................................................. 22
Tabel 5. Jenis Kerusakan pada Plat dan Cara Perbaikannya ......................................... 42
Tabel 6. Keausan Maksimum yang Diijinkan Terhadap Ketebalan Plat yang
Disetujui Klasifikasi pada Keadaan Baru ....................................................... 45
Tabel 7. Parameter Las .................................................................................................. 51
Tabel 8. Pengaruh Arus Las .......................................................................................... 59
Tabel 9. Pengaruh Panjang Busur ................................................................................. 60
Tabel 10. Pengaruh Kecepatan Las ............................................................................... 60
x
DAFTAR LAMPIRAN
Lampiran 1. Piagam Lulus Pembekalan Praktik Industri ............................................. 70
Lampiran 2. Surat Ijin/Tugas dari Dekan ...................................................................... 71
Lampiran 3. Catatan Kegiatan Harian Praktik Industri ................................................. 72
Lampiran 4. Matriks Program Kegiatan Praktik Industri ............................................. 80
Lampiran 5. Kesan dan Rekomendasi Industri ............................................................. 84
Lampiran 6. Kartu Bimbingan Praktik Industri ............................................................ 86
Lampiran 7. Layout PT. Janata Marina Indah ............................................................... 87
Lampiran 8. Ucapan Terima Kasih dari Fakultas Kepada Industri ............................... 89