5.2.5 Waktu Total Pendistribusian Setiap Distribution Center
Perhitungan waktu total pendistribusian dari central supply facelities ke setiap distribution center diperoleh dari melihat waktu loading dari tiap-tiap
kapasitas alat angkut dan waktu tempuh berdasarkan penentuan rute yang telah ditentukan sehingga jarak tempuh menjadi lebih singkat. Perhitungan waktu total
pendistribusian setiap distribution center dapat dilihat pada Tabel 5.13.
5.2.6 Perhitungan Biaya Transportasi Pendistribusian Setiap Distribution
Center
Biaya transportasi pendistribusian pada perusahaan memperhitungkan beberapa elemen biaya, yakni jarak, dan kapasitas angkut. Biaya transportasi
pendistribusian menjadi lebih murah dikarenakan jarak tempuh menjadi lebih singkat dan waktu total pendistribusian juga semngkin singkat. Biaya transporasi
650,-KMKL. Biaya transportasi pada masing-masing distribution center dapat dilihat pada Tabel 5.14.
Tabel 5.14. Biaya Transportasi Pendistribusian Setiap Distribution Center
No NO SPBU
Jarak Kapasitas Alat Angkut
16 KL 18 KL
21 KL 24 KL
1 14.2886101
43 Rp 447.200 Rp 503.100 Rp 586.950 Rp 670.800
2 14.284602
47 Rp 488.800 Rp 549.900 Rp 641.550 Rp 733.200
3
14,288614 4
Rp 41.600 Rp 46.800 Rp 54.600 Rp 62.400
4 14.288652
13 Rp 135.200 Rp 152.100 Rp 177.450 Rp 202.800
5 14.2896120
90 Rp 936.000 Rp1.053.000 Rp1.228.500 Rp1.404.000
6 14.287695
35 Rp 364.000 Rp 409.500 Rp 477.750 Rp 546.000
7
14.288659 9
Rp 93.600 Rp 105.300 Rp 122.850 Rp 140.400
8 14.288619
67 Rp 696.800 Rp 783.900 Rp 914.550 Rp1.045.200
9 14.288626
60 Rp 624.000 Rp 702.000 Rp 819.000 Rp 936.000
10 14.287634
62 Rp 644.800 Rp 725.400 Rp 846.300 Rp 967.200
Universitas Sumatera Utara
Tabel 5.14. Biaya Transportasi Pendistribusian Setiap Distribution Center
Lanjutan No
NO SPBU Jarak
Kapasitas Alat Angkut 16 KL
18 KL 21 KL
24 KL 11
19.708.288 13
Rp 135.200 Rp 152.100 Rp 177.450 Rp 202.800
12 14.2886119
21 Rp 218.400 Rp 245.700 Rp 286.650 Rp 327.600
13 14.287632
64 Rp 665.600 Rp 748.800 Rp 873.600 Rp 998.400
14
14.288671 11
Rp 114.400 Rp 128.700 Rp 150.150 Rp 171.600
15 14.288601
14 Rp 145.600 Rp 163.800 Rp 191.100 Rp 218.400
16 13.288601
8,2 Rp 85.280 Rp 95.940 Rp 111.930 Rp 127.920
17 14.288638
9 Rp 93.600 Rp 105.300 Rp 122.850 Rp 140.400
18
14.289654 93
Rp 967.200 Rp1.088.100 Rp1.269.450 Rp1.450.800
19 14.214263
188 Rp1.955.200 Rp2.199.600 Rp2.566.200 Rp2.932.800
20 14.214260
198 Rp2.059.200 Rp2.316.600 Rp2.702.700 Rp3.088.800
21 14.214226
120 Rp1.248.000 Rp1.404.000 Rp1.638.000 Rp1.872.000
22
14.287611 145
Rp1.508.000 Rp1.696.500 Rp1.979.250 Rp2.262.000
23 14.214247
229 Rp2.381.600 Rp2.679.300 Rp3.125.850 Rp3.572.400
24 14.214266
235 Rp2.444.000 Rp2.749.500 Rp3.207.750 Rp3.666.000
25 14.214281
225 Rp2.340.000 Rp2.632.500 Rp3.071.250 Rp3.510.000
26
14.214284 129
Rp1.341.600 Rp1.509.300 Rp1.760.850 Rp2.012.400
27 14.214221
241 Rp2.506.400 Rp2.819.700 Rp3.289.650 Rp3.759.600
28 11.288601
5,3 Rp 55.120 Rp 62.010 Rp 72.345 Rp 82.680
29 14.214235
247 Rp2.568.800 Rp2.889.900 Rp3.371.550 Rp3.853.200
30
14.214255 91
Rp 946.400 Rp1.064.700 Rp1.242.150 Rp1.419.600
31 14.214225
165 Rp1.716.000 Rp1.930.500 Rp2.252.250 Rp2.574.000
32 14.214231
193 Rp2.007.200 Rp2.258.100 Rp2.634.450 Rp3.010.800
33 14.227350
263 Rp2.735.200 Rp3.077.100 Rp3.589.950 Rp4.102.800
34
14.214215 178,2
Rp1.853.280 Rp2.084.940 Rp2.432.430 Rp2.779.920
35 14.214292
254 Rp2.641.600 Rp2.971.800 Rp3.467.100 Rp3.962.400
36 14.214287
199 Rp2.069.600 Rp2.328.300 Rp2.716.350 Rp3.104.400
37 14.214230
303 Rp3.151.200 Rp3.545.100 Rp4.135.950 Rp4.726.800
38
14.212290 358
Rp3.723.200 Rp4.188.600 Rp4.886.700 Rp5.584.800
39 14.214223
227 Rp2.360.800 Rp2.655.900 Rp3.098.550 Rp3.541.200
40 14.214246
328 Rp3.411.200 Rp3.837.600 Rp4.477.200 Rp5.116.800
41 14.214219
291 Rp3.026.400 Rp3.404.700 Rp3.972.150 Rp4.539.600
42
14.214256 340
Rp3.536.000 Rp3.978.000 Rp4.641.000 Rp5.304.000
43 14.214234
354 Rp3.681.600 Rp4.141.800 Rp4.832.100 Rp5.522.400
44 14.214299
298 Rp3.099.200 Rp3.486.600 Rp4.067.700 Rp4.648.800
Universitas Sumatera Utara
Tabel 5.14. Biaya Transportasi Pendistribusian Setiap Distribution Center
Lanjutan No
NO SPBU Jarak
Kapasitas Alat Angkut 16 KL
18 KL 21 KL
24 KL 45
14.212222 376
Rp3.910.400 Rp4.399.200 Rp5.132.400 Rp5.865.600
46 14.212278
353 Rp3.671.200 Rp4.130.100 Rp4.818.450 Rp5.506.800
47 14.287665
89 Rp 925.600 Rp1.041.300 Rp1.214.850 Rp1.388.400
48
14.2876110 55
Rp 572.000 Rp 643.500 Rp 750.750 Rp 858.000
49 14.214288
203 Rp2.111.200 Rp2.375.100 Rp2.770.950 Rp3.166.800
50 14.2896106
113 Rp1.175.200 Rp1.322.100 Rp1.542.450 Rp1.762.800
51 14.289672
130 Rp1.352.000 Rp1.521.000 Rp1.774.500 Rp2.028.000
52
14.2896103 156
Rp1.622.400 Rp1.825.200 Rp2.129.400 Rp2.433.600
53 14.2896128
140 Rp1.456.000 Rp1.638.000 Rp1.911.000 Rp2.184.000
54 14.2896129
160 Rp1.664.000 Rp1.872.000 Rp2.184.000 Rp2.496.000
55 14.2856100
326 Rp3.390.400 Rp3.814.200 Rp4.449.900 Rp5.085.600
56
14.285677 254
Rp2.641.600 Rp2.971.800 Rp3.467.100 Rp3.962.400
57 14.284646
295 Rp3.068.000 Rp3.451.500 Rp4.026.750 Rp4.602.000
58 14.285680
287 Rp2.984.800 Rp3.357.900 Rp3.917.550 Rp4.477.200
59 14.284605
247 Rp2.568.800 Rp2.889.900 Rp3.371.550 Rp3.853.200
60
14.2856102 264
Rp2.745.600 Rp3.088.800 Rp3.603.600 Rp4.118.400
61 14.285673
248 Rp2.579.200 Rp2.901.600 Rp3.385.200 Rp3.868.800
62 14.288607
168 Rp1.747.200 Rp1.965.600 Rp2.293.200 Rp2.620.800
63 14.284687
148 Rp1.539.200 Rp1.731.600 Rp2.020.200 Rp2.308.800
64
14.2856118 273
Rp2.839.200 Rp3.194.100 Rp3.726.450 Rp4.258.800
65 14,287615
121 Rp1.258.400 Rp1.415.700 Rp1.651.650 Rp1.887.600
66 14.2876121
85 Rp 884.000 Rp 994.500 Rp1.160.250 Rp1.326.000
67 14.286675
148 Rp1.539.200 Rp1.731.600 Rp2.020.200 Rp2.308.800
68
14.284647 177
Rp1.840.800 Rp2.070.900 Rp2.416.050 Rp2.761.200
69 14.2846104
204 Rp2.121.600 Rp2.386.800 Rp2.784.600 Rp3.182.400
70 14.284617
157 Rp1.632.800 Rp1.836.900 Rp2.143.050 Rp2.449.200
Universitas Sumatera Utara
Tabel 5.13. Waktu Total Pendistribusian Setiap Distribution Center
No NO SPBU
Waktu Total Pendistribusian Premium
Biosolar 16 KL
18 KL 21 KL
24 KL 16 KL
18 KL 21 KL
24 KL 1
14.2886101 2:41:10
2:47:50 2:51:25
2:52:49 2:32:36
2:40:02 2:45:03
2:53:07
2 14.284602
2:47:10 2:53:50
2:57:25 2:58:49
2:38:36 2:46:02
2:51:03 2:59:07
3
14,288614 1:42:40
1:49:20 1:52:55
1:54:19 1:34:06
1:41:32 1:46:33
1:54:37
4 14.288652
1:56:10 2:02:50
2:06:25 2:07:49
1:47:36 1:55:02
2:00:03 2:08:07
5 14.2896120
3:51:40 3:58:20
4:01:55 4:03:19
3:43:06 3:50:32
3:55:33 4:03:37
6 14.287695
2:29:10 2:35:50
2:39:25 2:40:49
2:20:36 2:28:02
2:33:03 2:41:07
7
14.288659 1:50:10
1:56:50 2:00:25
2:01:49 1:41:36
1:49:02 1:54:03
2:02:07
8 14.288619
3:17:10 3:23:50
3:27:25 3:28:49
3:08:36 3:16:02
3:21:03 3:29:07
9 14.288626
3:06:40 3:13:20
3:16:55 3:18:19
2:58:06 3:05:32
3:10:33 3:18:37
10 14.287634
3:09:40 3:16:20
3:19:55 3:21:19
3:01:06 3:08:32
3:13:33 3:21:37
11
19.708.288 1:56:10
2:02:50 2:06:25
2:07:49 1:47:36
1:55:02 2:00:03
2:08:07
12 14.2886119
2:08:10 2:14:50
2:18:25 2:19:49
1:59:36 2:07:02
2:12:03 2:20:07
13 14.287632
3:12:40 3:19:20
3:22:55 3:24:19
3:04:06 3:11:32
3:16:33 3:24:37
14 14.288671
1:53:10 1:59:50
2:03:25 2:04:49
1:44:36 1:52:02
1:57:03 2:05:07
15
14.288601 1:57:40
2:04:20 2:07:55
2:09:19 1:49:06
1:56:32 2:01:33
2:09:37
16 13.288601
1:48:58 1:55:38
1:59:13 2:00:37
1:40:24 1:47:50
1:52:51 2:00:55
17 14.288638
1:50:10 1:56:50
2:00:25 2:01:49
1:41:36 1:49:02
1:54:03 2:02:07
18 14.289654
3:56:10 4:02:50
4:06:25 4:07:49
3:47:36 3:55:02
4:00:03 4:08:07
19
14.214263 6:18:40
6:25:20 6:28:55
6:30:19 6:10:06
6:17:32 6:22:33
6:30:37
Universitas Sumatera Utara
Tabel 5.13. Waktu Total Pendistribusian Setiap Distribution Center Lanjutan
No NO SPBU
Waktu Total Pendistribusian Premium
Biosolar 16 KL
18 KL 21 KL
24 KL 16 KL
18 KL 21 KL
24 KL 20
14.214260 6:33:40
6:40:20 6:43:55
6:45:19 6:25:06
6:32:32 6:37:33
6:45:37
21 14.214226
4:36:40 4:43:20
4:46:55 4:48:19
4:28:06 4:35:32
4:40:33 4:48:37
22
14.287611 5:14:10
5:20:50 5:24:25
5:25:49 5:05:36
5:13:02 5:18:03
5:26:07
23 14.214247
7:20:10 7:26:50
7:30:25 7:31:49
7:11:36 7:19:02
7:24:03 7:32:07
24 14.214266
7:29:10 7:35:50
7:39:25 7:40:49
7:20:36 7:28:02
7:33:03 7:41:07
25 14.214281
7:14:10 7:20:50
7:24:25 7:25:49
7:05:36 7:13:02
7:18:03 7:26:07
26
14.214284 4:50:10
4:56:50 5:00:25
5:01:49 4:41:36
4:49:02 4:54:03
5:02:07
27 14.214221
7:38:10 7:44:50
7:48:25 7:49:49
7:29:36 7:37:02
7:42:03 7:50:07
28 11.288601
1:44:37 1:51:17
1:54:52 1:56:16
1:36:03 1:43:29
1:48:30 1:56:34
29 14.214235
7:47:10 7:53:50
7:57:25 7:58:49
7:38:36 7:46:02
7:51:03 7:59:07
30
14.214255 3:53:10
3:59:50 4:03:25
4:04:49 3:44:36
3:52:02 3:57:03
4:05:07
31 14.214225
5:44:10 5:50:50
5:54:25 5:55:49
5:35:36 5:43:02
5:48:03 5:56:07
32 14.214231
6:26:10 6:32:50
6:36:25 6:37:49
6:17:36 6:25:02
6:30:03 6:38:07
33 14.227350
8:11:10 8:17:50
8:21:25 8:22:49
8:02:36 8:10:02
8:15:03 8:23:07
34
14.214215 6:03:58
6:10:38 6:14:13
6:15:37 5:55:24
6:02:50 6:07:51
6:15:55
35 14.214292
7:57:40 8:04:20
8:07:55 8:09:19
7:49:06 7:56:32
8:01:33 8:09:37
36 14.214287
6:35:10 6:41:50
6:45:25 6:46:49
6:26:36 6:34:02
6:39:03 6:47:07
37 14.214230
9:11:10 9:17:50
9:21:25 9:22:49
9:02:36 9:10:02
9:15:03 9:23:07
38
14.212290 10:33:40 10:40:20 10:43:55 10:45:19 10:25:06 10:32:32 10:37:33 10:45:37
Universitas Sumatera Utara
Tabel 5.13. Waktu Total Pendistribusian Setiap Distribution Center Lanjutan
No NO SPBU
Waktu Total Pendistribusian Premium
Biosolar 16 KL
18 KL 21 KL
24 KL 16 KL
18 KL 21 KL
24 KL 39
14.214223 7:17:10
7:23:50 7:27:25
7:28:49 7:08:36
7:16:02 7:21:03
7:29:07
40 14.214246
9:48:40 9:55:20
9:58:55 10:00:19 9:40:06 9:47:32
9:52:33 10:00:37
41
14.214219 8:53:10
8:59:50 9:03:25
9:04:49 8:44:36
8:52:02 8:57:03
9:05:07
42 14.214256
10:06:40 10:13:20 10:16:55 10:18:19 9:58:06 10:05:32 10:10:33 10:18:37
43 14.214234
10:27:40 10:34:20 10:37:55 10:39:19 10:19:06 10:26:32 10:31:33 10:39:37
44 14.214299
9:03:40 9:10:20
9:13:55 9:15:19
8:55:06 9:02:32
9:07:33 9:15:37
45
14.212222 11:00:40 11:07:20 11:10:55 11:12:19 10:52:06 10:59:32 11:04:33 11:12:37
46 14.212278
10:26:10 10:32:50 10:36:25 10:37:49 10:17:36 10:25:02 10:30:03 10:38:07
47 14.287665
3:50:10 3:56:50
4:00:25 4:01:49
3:41:36 3:49:02
3:54:03 4:02:07
48 14.2876110
2:59:10 3:05:50
3:09:25 3:10:49
2:50:36 2:58:02
3:03:03 3:11:07
49
14.214288 6:41:10
6:47:50 6:51:25
6:52:49 6:32:36
6:40:02 6:45:03
6:53:07
50 14.2896106
4:26:10 4:32:50
4:36:25 4:37:49
4:17:36 4:25:02
4:30:03 4:38:07
51 14.289672
4:51:40 4:58:20
5:01:55 5:03:19
4:43:06 4:50:32
4:55:33 5:03:37
52 14.2896103
5:30:40 5:37:20
5:40:55 5:42:19
5:22:06 5:29:32
5:34:33 5:42:37
53
14.2896128 5:06:40
5:13:20 5:16:55
5:18:19 4:58:06
5:05:32 5:10:33
5:18:37
54 14.2896129
5:36:40 5:43:20
5:46:55 5:48:19
5:28:06 5:35:32
5:40:33 5:48:37
55 14.2856100
9:45:40 9:52:20
9:55:55 9:57:19
9:37:06 9:44:32
9:49:33 9:57:37
56 14.285677
7:57:40 8:04:20
8:07:55 8:09:19
7:49:06 7:56:32
8:01:33 8:09:37
57
14.284646 8:59:10
9:05:50 9:09:25
9:10:49 8:50:36
8:58:02 9:03:03
9:11:07
Universitas Sumatera Utara
Tabel 5.13. Waktu Total Pendistribusian Setiap Distribution Center Lanjutan
No NO SPBU
Waktu Total Pendistribusian Premium
Biosolar 16 KL
18 KL 21 KL
24 KL 16 KL
18 KL 21 KL
24 KL 58
14.285680 8:47:10
8:53:50 8:57:25
8:58:49 8:38:36
8:46:02 8:51:03
8:59:07
59 14.284605
7:47:10 7:53:50
7:57:25 7:58:49
7:38:36 7:46:02
7:51:03 7:59:07
60
14.2856102 8:12:40
8:19:20 8:22:55
8:24:19 8:04:06
8:11:32 8:16:33
8:24:37
61 14.285673
7:48:40 7:55:20
7:58:55 8:00:19
7:40:06 7:47:32
7:52:33 8:00:37
62 14.288607
5:48:40 5:55:20
5:58:55 6:00:19
5:40:06 5:47:32
5:52:33 6:00:37
63 14.284687
5:18:40 5:25:20
5:28:55 5:30:19
5:10:06 5:17:32
5:22:33 5:30:37
64
14.2856118 8:26:10
8:32:50 8:36:25
8:37:49 8:17:36
8:25:02 8:30:03
8:38:07
65 14,287615
4:38:10 4:44:50
4:48:25 4:49:49
4:29:36 4:37:02
4:42:03 4:50:07
66 14.2876121
3:44:10 3:50:50
3:54:25 3:55:49
3:35:36 3:43:02
3:48:03 3:56:07
67 14.286675
5:18:40 5:25:20
5:28:55 5:30:19
5:10:06 5:17:32
5:22:33 5:30:37
68
14.284647 6:02:10
6:08:50 6:12:25
6:13:49 5:53:36
6:01:02 6:06:03
6:14:07
69 14.2846104
6:42:40 6:49:20
6:52:55 6:54:19
6:34:06 6:41:32
6:46:33 6:54:37
70 14.284617
5:32:10 5:38:50
5:42:25 5:43:49
5:23:36 5:31:02
5:36:03 5:44:07
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BAB VI ANALISIS DAN PEMBAHASAN MASALAH
6.1 Analisis
6.1.1 Analisis Network Diagram
Penggambaran sebuah network diagram menurut literatur buku Graphs and Networks and Introduction Price W. L., 1992, harus mempunyai titik awal
dan titik akhir dimana titik tersebut disebut node dan yang menghubungkan node- node tersebut disebut arc dan semua node tidak ada node yang memebentuk cross.
Pada penelitian ini network diagram telah memenuhi syarat tersebut yang dapat dilihat pada Gambar 5.1. Network diagram pada penelitian ini mempunyai 70
node, dimana node tersebut adalah jumlah distribution center SPBU yang pada dasarnya ruang lingkup dari perusahaan PT. XYZ. Pada penggambaran network
diagram data yang dibutuhkan adalah jarak antar satu node ke node lain dan jarak central supply facilities depot ke semua node. Data jarak diperoleh dari data
sekunder yang berasal dari pihak perusahaan PT. XYZ.
6.1.2 Analisis Waktu Teoritis Loading Bahan Bakar Minyak BBM
Mencari waktu teoritis pada saat loading dilakukan dengan beberapa langkah menurut literatur buku Teknik Perancangan Sistem Kerja Sutalaksana
dkk, 1979 yaitu dengan cara mencari waktu siklus, waktu normal, waktu standard. Mencari waktu siklus dengan cara memperhatikan seberapa lama
pekerja menyelesaikan pekerjaannya dalam satu siklus dari awal proses sampai
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