61
DAFTAR PUSTAKA
Tampubolon (2004). Manajemen Operasional. (Jakarta: PT. Ghalia Indonesia). Herjanto, Eddy (2003). Manajemen Operasi edisi 3. Jakarta: PT. Raja Grasindo Persada. Erlina (2002). Manajemen Persediaan. [Skripsi]. Medan: Universitas Sumatera Utara. Fakultas Ekonomi, Program Studi Akutansi. Koeswara, Sonny dan Resa Taruna Suhada (2010). Perencanaan Kebutuhan Material (MRP) dengan Menggunakan Teknik Lot Sizing pada Bahan Baku Brispack J Varnish. [Jurnal]. Jakarta : Universitas Mercu Buana. Fakultas Teknik, Program Studi Teknik Industri. Astana, Nyoman Hudha (2007). Perencanaan Persediaan Bahan Baku Berdasarkan Metode MRP (Material Requirements Planning. [Jurnal Ilmiah]. Denpasar : Universitas Udayana. Fakultas Teknik, Program Studi Teknik Sipil. Farida dan Aifirid Agustina. Analisis Perencanaan dan Pengendalian Persediaan Bahan Baku Chip Berdasarkan Sistem MRP pada PT. Indonesia Toray Synthetics. [Jurnal]. Jakarta : Universitas Mercu Buana. Fakultas Teknik, Program Studi Teknik Industri. Kholil, Muhammad dan Erin (2009). Perencanaan Kebutuhan Material (MRP) dengan Menggunakan Teknik Lot Sizing pada Bahan Baku Baja di PT.
http://digilib.mercubuana.ac.id/
62
Timah Industri (PT. Timah TBK). [Jurnal]. Jakarta : Universitas Mercu Buana. Fakultas Teknik, Program Studi Teknik Industri. Baroto, Teguh (2002). Perencanaan dan Pengendalian Produksi. Galia Indonesia, Jakarta. Dodin, B; Elimam, AA. (2000). Integrated Project Scheduling and Material Planning
with
Variable
Activity
Duration
and
Rewards.
From
http://search.proquest.com/docview/219681157?accountid=34643, 15 April 2014. Gerth, Anthony B (2001). MRP Planning for Component with Statistical Usage. From http://search.proquest.com/docview/199944338?accountid=34643, 15 April 2014. Milne R.J, Wang C.T, Fordyce K (2005). Optimezed Material Requirements Planning
for
Semiconductor
Manufacturing.
From
http://search.proquest.com/docview/1081995952?accountid=34643, 23 Juni 2014. Nasution. F, Natigor (2004). Just in Time dan Perkembangannya dalam Perusahaan Industri. Sumatera Utara: Universitas Sumatera Utara, Fakultas Ekonomi.
http://digilib.mercubuana.ac.id/
LAMPIRAN
63
http://digilib.mercubuana.ac.id/
Lampiran 1.Produk Panel Listrik PT TIS
64
http://digilib.mercubuana.ac.id/
Lampiran 2.Produk Cable Support PT TIS
65
http://digilib.mercubuana.ac.id/
Lampiran 3.Jenis Material untuk Pembuatan Cable Support
66
http://digilib.mercubuana.ac.id/
Lampiran 4.Analisa Peramalan Exponential Smoothing
0,1
Bulan 1 Oct-Nov 2014 2 Dec 2014 - Jan 2015 3 Feb - Mar 2015 4 Apr - May 2015 5 June - July 2015 6 Aug - Sep 2015 7 Oct-Nov 2015 SPHC2
0,2
Bulan 1 Oct-Nov 2014 2 Dec 2014 - Jan 2015 3 Feb - Mar 2015 4 Apr - May 2015 5 June - July 2015 6 Aug - Sep 2015 7 Oct-Nov 2015 SPHC2
0,3
Bulan 1 Oct-Nov 2014 2 Dec 2014 - Jan 2015 3 Feb - Mar 2015 4 Apr - May 2015 5 June - July 2015 6 Aug - Sep 2015 7 Oct-Nov 2015 SPHC2
Kebutuhan (kg) 148.538,30 128.606,33 150.386,30 117.813,82 140.233,64 149.138,90
Forecasting (Exponential Smoothing) 118.538,30 119.545,10 122.629,22 122.147,68 123.956,28 126.474,54
834.717,29
Kebutuhan (kg) 148.538,30 128.606,33 150.386,30 117.813,82 140.233,64 149.138,90
148.538,30 128.606,33 150.386,30 117.813,82 140.233,64 149.138,90
0,08 0,21 0,04 0,13 0,17 12,44%
Forecasting (Exponential Smoothing) 118.538,30 120.551,91 126.518,78 124.777,79 127.868,96 132.122,95
834.717,29
Kebutuhan (kg)
MAPE
MAPE
0,08 0,20 0,07 0,11 0,14 12,07%
Forecasting (Exponential Smoothing) 118.538,30 121.558,71 130.206,99 126.489,04 130.612,42 136.170,36
834.717,29 67
http://digilib.mercubuana.ac.id/
MAPE
0,08 0,19 0,11 0,10 0,12 11,95%
0,4
Bulan 1 Oct-Nov 2014 2 Dec 2014 - Jan 2015 3 Feb - Mar 2015 4 Apr - May 2015 5 June - July 2015 6 Aug - Sep 2015 7 Oct-Nov 2015 SPHC2
0,5
Bulan 1 Oct-Nov 2014 2 Dec 2014 - Jan 2015 3 Feb - Mar 2015 4 Apr - May 2015 5 June - July 2015 6 Aug - Sep 2015 7 Oct-Nov 2015 SPHC2
0,6
Bulan 1 Oct-Nov 2014 2 Dec 2014 - Jan 2015 3 Feb - Mar 2015 4 Apr - May 2015 5 June - July 2015 6 Aug - Sep 2015 7 Oct-Nov 2015 SPHC2
Kebutuhan (kg) 148.538,30 128.606,33 150.386,30 117.813,82 140.233,64 149.138,90
Forecasting (Exponential Smoothing) 118.538,30 122.565,51 133.693,83 127.341,82 132.498,55 139.154,69
834.717,29
Kebutuhan (kg) 148.538,30 128.606,33 150.386,30 117.813,82 140.233,64 149.138,90
148.538,30 128.606,33 150.386,30 117.813,82 140.233,64 149.138,90
0,08 0,18 0,13 0,09 0,11 12,03%
Forecasting (Exponential Smoothing) 118.538,30 123.572,32 136.979,31 127.396,56 133.815,10 141.477,00
834.717,29
Kebutuhan (kg)
MAPE
MAPE
0,08 0,18 0,16 0,09 0,10 12,27%
Forecasting (Exponential Smoothing) 118.538,30 124.579,12 140.063,43 126.713,66 134.825,65 143.413,60
834.717,29
68
http://digilib.mercubuana.ac.id/
MAPE
0,08 0,17 0,19 0,10 0,10 12,62%
0,7
Bulan 1 Oct-Nov 2014 2 Dec 2014 - Jan 2015 3 Feb - Mar 2015 4 Apr - May 2015 5 June - July 2015 6 Aug - Sep 2015 7 Oct-Nov 2015 SPHC2
0,8
Bulan
148.538,30 128.606,33 150.386,30 117.813,82 140.233,64 149.138,90
Forecasting (Exponential Smoothing) 118.538,30 125.585,92 142.946,18 125.353,53 135.769,61 145.128,11
834.717,29
Kebutuhan (kg)
MAPE
0,08 0,16 0,21 0,11 0,09 13,05%
Forecasting (Exponential Smoothing)
MAPE
1 Oct-Nov 2014
148.538,30
2 Dec 2014 - Jan 2015
128.606,33
118.538,30
0,08
3 Feb - Mar 2015
150.386,30
126.592,72
0,16
4 Apr - May 2015
117.813,82
145.627,58
0,24
5 June - July 2015
140.233,64
123.376,57
0,12
6 Aug - Sep 2015
149.138,90
136.862,23
0,08
7 Oct-Nov 2015 SPHC2
0,9
Kebutuhan (kg)
Bulan 1 Oct-Nov 2014 2 Dec 2014 - Jan 2015 3 Feb - Mar 2015 4 Apr - May 2015 5 June - July 2015 6 Aug - Sep 2015 7 Oct-Nov 2015 SPHC2
146.683,56 834.717,29
Kebutuhan (kg) 148.538,30 128.606,33 150.386,30 117.813,82 140.233,64 149.138,90
13,50%
Forecasting (Exponential Smoothing) 118.538,30 127.599,53 148.107,62 120.843,20 138.294,60 148.054,47
834.717,29
69
http://digilib.mercubuana.ac.id/
MAPE
0,08 0,15 0,26 0,14 0,07 13,96%
1
Bulan 1 Oct-Nov 2014 2 Dec 2014 - Jan 2015 3 Feb - Mar 2015 4 Apr - May 2015 5 June - July 2015 6 Aug - Sep 2015 7 Oct-Nov 2015 SPHC2
Kebutuhan (kg) 148.538,30 128.606,33 150.386,30 117.813,82 140.233,64 149.138,90
Forecasting (Exponential Smoothing) 118.538,30 128.606,33 150.386,30 117.813,82 140.233,64 149.138,90
834.717,29
70
http://digilib.mercubuana.ac.id/
MAPE
0,08 0,14 0,28 0,16 0,06 14,38%
Lampiran 5.Harga Material
Material
Harga Material /kg
Stainless Steel 316 Rp
63.000
Stainless Steel 304 Rp
46.000
Galvanized Steel
Rp
15.000
Aluminium AA1100 Rp
44.000
Aluminium 5052
Rp
52.000
SPHC 2.00 mm
Rp
11.000
SPHC 3.00 mm
Rp
11.000
71
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Lampiran 6.Lead Time Material
Material
Lead Time Material (hari)
Stainless Steel 316
7
Stainless Steel 304
7
Galvanized Steel
28
Aluminium AA1100
14
Aluminium 5052
45
SPHC 2.00 mm
7
SPHC 3.00 mm
14
72
http://digilib.mercubuana.ac.id/
Lampiran 7. Foto Kegiatan Pengambilan Data
Kegiatan Perkantoran di PT TIS
73
http://digilib.mercubuana.ac.id/
Gudang Bahan Baku di PT TIS
74
http://digilib.mercubuana.ac.id/
Gudang Bahan Baku di PT TIS
75
http://digilib.mercubuana.ac.id/
