Juli 2013 4
20.895 5.224
21.858 5.465
21.856 5.464
Agustus 2013 5
21.317 4.263
22.307 4.461
22.976 4.595
September 2013 4
21.748 5.437
22.756 5.689
24.154 6.039
Oktober 2013 4
22.187 5.547
23.205 5.801
25.393 6.348
Nopember 2013 5
22.635 4.527
23.654 4.731
26.694 5.339
Desember 2013 4
23.092 5.773
24.103 6.026
28.063 7.016
Januari 2014 4
23.559 5.890
24.553 6.138
29.501 7.375
Februari 2014 5
24.035 4.807
25.002 5.000
31.014 6.203
Maret 2014 4
24.520 6.130
25.451 6.363
32.604 8.151
April 2014 4
25.016 6.254
25.900 6.475
34.275 8.569
Mei 2014 5
25.521 5.104
26.349 5.270
36.032 7.206
Tabel 5.17. Jumlah Permintaan Distribution Center Ujung Tanjung,
Bengkulu, dan Sibolga Setiap Minggu
Periode Jumlah
Minggu Jumlah Permintaan
Distribution Center Sak Ujung Tanjung
Bengkulu Sibolga
SakBulan SakMinggu
SakBulan SakMinggu
SakBulan SakMinggu
Juni 2013 4
22.508 5.627
11.739 2.935
11.591 2.898
Juli 2013 4
23.007 5.752
12.087 3.022
11.825 2.956
Agustus 2013 5
23.507 4.701
12.436 2.487
12.064 2.413
September 2013 4
24.006 6.002
12.784 3.196
12.308 3.077
Oktober 2013 4
24.505 6.126
13.132 3.283
12.556 3.139
Nopember 2013 5
25.005 5.001
13.480 2.696
12.810 2.562
Desember 2013 4
25.504 6.376
13.828 3.457
13.069 3.267
Januari 2014 4
26.003 6.501
14.176 3.544
13.332 3.333
Februari 2014 5
26.503 5.301
14.524 2.905
13.602 2.720
Maret 2014 4
27.002 6.751
14.872 3.718
13.877 3.469
April 2014 4
27.501 6.875
15.220 3.805
14.157 3.539
Mei 2014 5
28.000 5.600
15.568 3.114
14.443 2.889
Sumber : Pengolahan Data
5.2.5. Distribution Resource Planning Worksheet
Dari perhitungan data diatas, maka dapat disusun perencanaan DRP untuk setiap DC dalam time bucket mingguan sebab lead time masing-masing DC tidak
melewati 1 bulan atau hanya dalam mingguan.
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Dalam distribution resource planning worksheet terdapat beberapa istilah yang perlu diketahui, yaitu:
1. On Hand Balance adalah jumlah persediaan awal produk yang ada pada distribution center.
2. Safety Stock adalah persediaan untuk melindungi atau menjaga kemungkinan terjadinya kekurangan produk.
3. Lead Time adalah waktu yang diperlukan dalam pelepasan order sampai order diterima di stock room pada distribution center.
4. Order Quantity adalah jumlah produk yang dikirimkan ke untuk setiap kali pemesanan.
5. Demands Forecast adalah peramalan jumlah permintaan dari masing-masing distribution center.
6. In Transit adalah jumlah produk yang sedang dalam proses pendistribusian. 7. Projected On Hand adalah persediaan yang ada dan siap digunakan.
8. Planned Shipments – Receipt Date adalah jadwal perencanaan penerimaan produk yang dikirim.
9. Planned Shipments – Ship Date adalah jadwal perencanaan pengiriman produk.
Distribution Resource Planning Worksheet untuk setiap masing-masing distribution center dapat dilihat pada Tabel 5.16 hingga tabel 5.24.
Langkah-langkah pengisian Distribution Resource Planning Sheet untuk Distribution Center Jambi adalah:
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1. On Hand Balance = 297 Status persediaan awal DC Jambi, diperoleh dari Tabel 5.3.
2. Lead Time = 31hours ≈ 0 weekLead Time pendistribusian produk dari CSF
Padang ke DC Jambi, diperoleh dari Tabel 5.2. 3. OrderQuantity = 800sak diperoleh dari Tabel 5.13.
4. Safety Stock = 349 sak diperoleh dari Tabel 5.12. 5. Projected on Hand Past Due = 297 sak diperoleh dari On Hand Balance
6. Net Requirement = 1.911 – 297 = 1.614 sak 7. Demands Forecast1
st
Week = 1.911sak diperoleh dari Tabel 5.12. 8. In Transit 1
st
Week = 0, tidak adanya produk yang sedang dalam proses pengiriman
9. Planned Shipments - Ship Date = 2.400 sak diperoleh dari Order Quantity 10. Planned Shipments - Receipt Date = 2.400 sak diperoleh dari Order
Quantity 11. Projected on Hand 1
st
Week = Projected on Hand Past Due + Order Quantity – Demands Forecast 1
st
Week = 297 + 2.400 – 1.911 = 786sak 12. Demands Forecast2
nd
Week = 1.911sak diperoleh dari Tabel 5.12. 13. Projected on Hand 2
nd
Week = Projected on Hand 1
st
Week + Order Quantity – Demands Forecast 2
nd
Week = 786+ 1.600 – 1.911 = 475sak 14. Demands Forecast3
rd
Week = 1.911sak diperoleh dari Tabel 5.12. 15. In Transit 3
rd
Week = 0, tidak adanya produk yang sedang dalam proses pengiriman
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16. Planned Shipments - Ship Date3
rd
Week = 2.400sak diperoleh dari Order Quantity
17. Planned Shipments - Receipt Date3
rd
Week = 2.400 sak diperoleh dari Order Quantity
18. Projected on Hand 3
rd
Week = Projected on Hand 2
nd
week + Order Quantity – Demands Forecast 3
rd
Week = 475 + 2.400 – 1.911 = 964sak 19. Dilakukan hal yang sama hingga minggu ke 52 sehingga Distribution
Resource Planning Sheet untuk Distribution Center Jambi terisi keseluruhan.
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Tabel 5.18. Distribution Resource Planning Sheet untuk Distribution Center Jambi
Distribution Resource Planning Sheet untuk Distribution Center Jambi
On Hand Balance 297
Lead Time 31 hours
≈ 0 week Safety Stock
349 Order Quantity
800 Distribution Center
Jambi
Past Due Week
1 2
3 4
5 6
7 8
9 10
11 12
13 Demands Forecast
1,911 1,911
1,911 1,911
1,942 1,942
1,942 1,942
1,578 1,578
1,578 1,578
1,578
In Transit Projected on Hand
297 786
475 964
653 1,111
770 428
886 908
930 952
974 996
Net Requirement 1,614
1,125 1,436
947 1,289
831 1,172
1,514 692
670 648
626 604
Planned Shipments - Receipt Date
2,400 1600
2,400 1600
2,400 1600
1,600 2400
1,600 1,600
1,600 1,600
1,600
Planned Shipments - Ship Date 2,400
1600 2,400
1600 2,400
1600 1,600
2400 1,600
1,600 1,600
1,600 1,600
Past Due Week
14 15
16 17
18 19
20 21
22 23
24 25
26 Demands Forecast
2,003 2,003
2,003 2,003
2,034 2,034
2,034 2,034
1,652 1,652
1,652 1,652
1,652
In Transit Projected on Hand
996 593
990 587
984 550
917 483
849 797
746 694
643 591
Net Requirement 1,007
1,410 1,013
1,416 1,050
1,484 1,117
1,551 803
854 906
957 1,009
Planned Shipments - Receipt Date 1600
2,400 1600
2,400 1600
2,400 1600
2,400 1600
1,600 1600
1600 1,600
Planned Shipments - Ship Date
1600 2,400
1600 2,400
1600 2,400
1600 2,400
1600 1,600
1600 1600
1,600
Past Due Week
27 28
29 30
31 32
33 34
35 36
37 38
39 Demands Forecast
2,095 2,095
2,095 2,095
2,126 2,126
2,126 2,126
1,725 1,725
1,725 1,725
1,725
In Transit Projected on Hand
591 896
401 705
1,010 484
758 1,032
506 381
1,055 930
804 679
Net Requirement
1,504 1,200
1,695 1,390
1,116 1,642
1,368 1,094
1,219 1,345
670 796
921
Planned Shipments - Receipt Date 2400
1,600 2400
2,400 1600
2,400 2400
1,600 1600
2,400 1600
1600 1,600
Planned Shipments - Ship Date 2400
1,600 2400
2,400 1600
2,400 2400
1,600 1600
2,400 1600
1600 1,600
Past Due Week
40 41
42 43
44 45
46 47
48 49
50 51
52 Demands Forecast
2,187 2,187
2,187 2,187
2,218 2,218
2,218 2,218
1,799 1,799
1,799 1,799
1,799
In Transit Projected on Hand
679 892
1,105 517
730 912
1,094 476
658 459
1,060 861
662 463
Net Requirement 1,508
1,296 1,083
1,670 1,488
1,306 1,124
1,742 1,141
1,340 739
938 1,137
Planned Shipments - Receipt Date 2400
2,400 1600
2,400 2400
2,400 1600
2,400 1600
2,400 1600
1,600 1600
Planned Shipments - Ship Date 2400
2,400 1600
2,400 2400
2,400 1600
2,400 1600
2,400 1600
1,600 1600
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Langkah-langkah pengisian Distribution Resource Planning Sheet untuk Distribution Center Lubuk Linggau adalah:
1. On Hand Balance = 595 Status persediaan awal DC Lubuk Linggau, diperoleh dari Tabel 5.3.
2. Lead Time = 13hours ≈ 0 weekLead Time pendistribusian produk dari CSF
Padang ke DC Lubuk Linggau, diperoleh dari Tabel 5.2. 3. OrderQuantity = 800sak diperoleh dari Tabel 5.13.
4. Safety Stock = 726 sak diperoleh dari Tabel 5.12. 5. Projected on Hand Past Due = 595 sak diperoleh dari On Hand Balance
6. Net Requirement = 5.120 – 1.095 = 1.575 sak 7. Demands Forecast1
st
Week = 3.421sak diperoleh dari Tabel 5.12. 8. In Transit 1
st
Week = 0, tidak adanya produk yang sedang dalam proses pengiriman
9. Planned Shipments - Ship Date = 4.000 sak diperoleh dari Order Quantity 10. Planned Shipments - Receipt Date = 4.000 sak diperoleh dari Order
Quantity 11. Projected on Hand 1
st
Week = Projected on Hand Past Due + Order Quantity – Demands Forecast 1
st
Week = 595 + 4.000 –3.421 = 1.175sak 12. Demands Forecast2
nd
Week = 3.421sak diperoleh dari Tabel 5.12. 13. Projected on Hand 2
nd
Week = Projected on Hand 1
st
Week + Order Quantity – Demands Forecast 2
nd
Week = 1.175 + 3.200 – 3.421 = 954sak 14. Demands Forecast3
rd
Week = 3.421sak diperoleh dari Tabel 5.12.
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15. In Transit 3
rd
Week = 0, tidak adanya produk yang sedang dalam proses pengiriman
16. Planned Shipments - Ship Date3
rd
Week = 3.200sak diperoleh dari Order Quantity
17. Planned Shipments - Receipt Date3
rd
Week = 3.200 sak diperoleh dari Order Quantity
18. Projected on Hand 3
rd
Week = Projected on Hand 2
nd
week + Order Quantity – Demands Forecast 3
rd
Week = 954 + 3.200 – 3.421 = 734sak 19. Dilakukan hal yang sama hingga minggu ke 52 sehingga Distribution
Resource Planning Sheet untuk Distribution Center Lubuk Linggau terisi keseluruhan.
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Tabel 5.19. Distribution Resource Planning Sheet untuk Distribution Center Lubuk Linggau
Distribution Resource Planning Sheet untuk Distribution Center Pekanbaru
On Hand Balance 1,095
Lead Time 11 hours
≈ 0 week Safety Stock
1,023 Order Quantity
800 Distribution Center
Pekanbaru
Past Due Week
1 2
3 4
5 6
7 8
9 10
11 12
13 Demands Forecast
5,120 5,120
5,120 5,120
5,224 5,224
5,224 5,224
4,263 4,263
4,263 4,263
4,263
In Transit Projected on Hand
1,095 1,575
1,255 1,734
1,414 1,790
1,367 1,743
1,319 1,056
1,592 1,329
1,065 1,602
Net Requirement 4,025
3,546 3,866
3,386 3,810
3,434 3,857
3,481 2,944
3,208 2,671
2,935 3,198
Planned Shipments - Receipt Date
5,600 4,800
5,600 4,800
5,600 4,800
5,600 4,800
4,000 4,800
4,000 4,000
4,800
Planned Shipments - Ship Date 5,600
4,800 5,600
4,800 5,600
4,800 5,600
4,800 4,000
4,800 4,000
4,000 4,800
Past Due Week
14 15
16 17
18 19
20 21
22 23
24 25
26 Demands Forecast
5,437 5,437
5,437 5,437
5,547 5,547
5,547 5,547
4,527 4,527
4,527 4,527
4,527
In Transit Projected on Hand
1,602 1,765
1,128 1,291
1,454 1,507
1,561 1,614
1,667 1,140
1,413 1,686
1,159 1,432
Net Requirement 3,835
3,672 4,309
4,146 4,093
4,040 3,986
3,933 2,860
3,387 3,114
2,841 3,368
Planned Shipments - Receipt Date 5,600
4,800 5,600
5,600 5,600
5,600 5,600
5,600 4,000
4,800 4,800
4,000 4,800
Planned Shipments - Ship Date
5,600 4,800
5,600 5,600
5,600 5,600
5,600 5,600
4,000 4,800
4,800 4,000
4,800
Past Due Week
27 28
29 30
31 32
33 34
35 36
37 38
39 Demands Forecast
5,773 5,773
5,773 5,773
5,890 5,890
5,890 5,890
4,807 4,807
4,807 4,807
4,807
In Transit Projected on Hand
1,432 1,259
1,086 1,713
1,540 1,250
1,761 1,471
1,181 1,174
1,167 1,160
1,153 1,146
Net Requirement
4,341 4,514
4,687 4,060
4,350 4,640
4,129 4,419
3,626 3,633
3,640 3,647
3,654
Planned Shipments - Receipt Date 5600
5,600 6,400
5,600 5,600
6,400 5,600
5,600 4,800
4,800 4800
4,800 4,800
Planned Shipments - Ship Date 5600
5600 6400
5600 5600
6400 5600
5600 4800
4800 4800
4800 4800
Past Due Week
40 41
42 43
44 45
46 47
48 49
50 51
52 Demands Forecast
6,130 6,130
6,130 6,130
6,254 6,254
6,254 6,254
5,104 5,104
5,104 5,104
5,104
In Transit Projected on Hand
1,146 1,416
1,686 1,156
1,426 1,572
1,718 1,064
1,210 1,706
1,402 1,097
1,593 1,289
Net Requirement 4,984
4,714 4,444
4,974 4,828
4,682 4,536
5,190 3,894
3,398 3,703
4,007 3,511
Planned Shipments - Receipt Date 6400
6,400 5,600
6,400 6,400
6,400 5,600
6,400 5600
4,800 4,800
5,600 4,800
Planned Shipments - Ship Date 6400
6400 5600
6400 6400
6400 5600
6400 5600
4800 4800
5600 4800
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Langkah-langkah pengisian Distribution Resource Planning Sheet untuk Distribution Center Tembilahan adalah:
1. On Hand Balance = 512 Status persediaan awal DC Lubuk Linggau, diperoleh dari Tabel 5.3.
2. Lead Time = 21hours ≈ 0 weekLead Time pendistribusian produk dari CSF
Padang ke DC Tembilahan, diperoleh dari Tabel 5.2. 3. OrderQuantity = 800sak diperoleh dari Tabel 5.13.
4. Safety Stock = 497 sak diperoleh dari Tabel 5.12. 5. Projected on Hand Past Due = 512 sak diperoleh dari On Hand Balance
6. Net Requirement = 2.433 – 512 = 1.921 sak 7. Demands Forecast1
st
Week = 2.433sak diperoleh dari Tabel 5.12. 8. In Transit 1
st
Week = 0, tidak adanya produk yang sedang dalam proses pengiriman
9. Planned Shipments - Ship Date = 3.200 sak diperoleh dari Order Quantity 10. Planned Shipments - Receipt Date = 3.200 sak diperoleh dari Order
Quantity 11. Projected on Hand 1
st
Week = Projected on Hand Past Due + Order Quantity – Demands Forecast 1
st
Week = 512 + 3.200 –2.433 = 1.280sak 12. Demands Forecast2
nd
Week = 2.433sak diperoleh dari Tabel 5.12. 13. Projected on Hand 2
nd
Week = Projected on Hand 1
st
Week + Order Quantity – Demands Forecast 2
nd
Week = 1.280 + 2.400 – 2.433 = 1.247sak 14. Demands Forecast3
rd
Week = 3.421sak diperoleh dari Tabel 5.12.
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15. In Transit 3
rd
Week = 0, tidak adanya produk yang sedang dalam proses pengiriman
16. Planned Shipments - Ship Date3
rd
Week = 2.400sak diperoleh dari Order Quantity
17. Planned Shipments - Receipt Date3
rd
Week = 2.400 sak diperoleh dari Order Quantity
18. Projected on Hand 3
rd
Week = Projected on Hand 2
nd
week + Order Quantity – Demands Forecast 3
rd
Week = 1.247 + 2.400 – 2.433 = 1.215sak 19. Dilakukan hal yang sama hingga minggu ke 52 sehingga Distribution
Resource Planning Sheet untuk Distribution Center Tembilahan terisi keseluruhan.
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Tabel 5.20. Distribution Resource Planning Sheet untuk Distribution Center Tembilahan
Distribution Resource Planning Sheet untuk Distribution Center Tembilahan
On Hand Balance 512
Lead Time 21 hours
≈ 0 week Safety Stock
497 Order Quantity
800 Distribution Center
Tembilahan
Past Due Week
1 2
3 4
5 6
7 8
9 10
11 12
13 Demands Forecast
2,433 2,433
2,433 2,433
2,490 2,490
2,490 2,490
2,037 2,037
2,037 2,037
2,037
In Transit Projected on Hand
512 1,280
1,247 1,215
1,182 1,093
1,003 914
824 1,187
750 1,112
675 1,038
Net Requirement 1,921
1,153 1,186
1,218 1,308
1,397 1,487
1,576 1,213
850 1,288
925 1,362
Planned Shipments - Receipt Date 3,200
2,400 2,400
2,400 2,400
2,400 2,400
2,400 2,400
1,600 2,400
1,600 2,400
Planned Shipments - Ship Date 3,200
2,400 2,400
2,400 2,400
2,400 2,400
2,400 2,400
1,600 2,400
1,600 2,400
Past Due Week
14 15
16 17
18 19
20 21
22 23
24 25
26 Demands Forecast
2,604 2,604
2,604 2,604
2,661 2,661
2,661 2,661
2,174 2,174
2,174 2,174
2,174
In Transit Projected on Hand
1,038 835
631 1,228
1,024 764
503 1,043
782 1,008
1,234 660
886 1,112
Net Requirement 1,566
1,769 1,973
1,376 1,637
1,897 2,158
1,618 1,392
1,166 940
1,514 1,288
Planned Shipments - Receipt Date 2,400
2,400 3,200
2,400 2,400
2,400 3,200
2,400 2,400
2,400 1,600
2,400 2,400
Planned Shipments - Ship Date 2,400
2,400 3,200
2,400 2,400
2,400 3,200
2,400 2,400
2,400 1,600
2,400 2,400
Past Due Week
27 28
29 30
31 32
33 34
35 36
37 38
39 Demands Forecast
2,775 2,775
2,775 2,775
2,832 2,832
2,832 2,832
2,311 2,311
2,311 2,311
2,311
In Transit Projected on Hand
1,112 738
1,163 789
1,214 783
1,151 720
1,088 1,177
1,266 556
645 734
Net Requirement 1,663
2,037 1,612
1,986 1,618
2,049 1,681
2,112 1,223
1,134 1,044
1,755 1,666
Planned Shipments - Receipt Date 2,400
3,200 2,400
3,200 2,400
3,200 2,400
3,200 2,400
2,400 1,600
2,400 2,400
Planned Shipments - Ship Date 2,400
3,200 2,400
3,200 2,400
3,200 2,400
3,200 2,400
2,400 1,600
2,400 2,400
Past Due 40
41 42
43 44
45 46
47 48
49 50
51 52
Demands Forecast 2,946
2,946 2,946
2,946 3,003
3,003 3,003
3,003 2,448
2,448 2,448
2,448 2,448
In Transit Projected on Hand
734 989
1,243 698
952 1,150
547 745
942 894
847 799
752 704
Net Requirement
2,212 1,957
1,703 2,248
2,051 1,853
2,456 2,258
1,506 1,553
1,601 1,648
1,696
Planned Shipments - Receipt Date 3,200
3,200 2,400
3,200 3,200
2,400 3,200
3,200 2,400
2,400 2,400
2,400 2,400
Planned Shipments - Ship Date 3,200
3,200 2,400
3,200 3,200
2,400 3,200
3,200 2,400
2,400 2,400
2,400 2,400
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Langkah-langkah pengisian Distribution Resource Planning Sheet untuk Distribution Center Pekanbaru adalah:
1. On Hand Balance = 1.095 Status persediaan awal DC Pekanbaru, diperoleh dari Tabel 5.3.
2. Lead Time = 11hours ≈ 0 weekLead Time pendistribusian produk dari CSF
Padang ke DC Pekanbaru, diperoleh dari Tabel 5.2. 3. OrderQuantity = 800sak diperoleh dari Tabel 5.13.
4. Safety Stock = 1.023 sak diperoleh dari Tabel 5.12. 5. Projected on Hand Past Due = 1.095 sak diperoleh dari On Hand Balance
6. Net Requirement = 5.120 – 1.095 = 4.025 sak 7. Demands Forecast1
st
Week = 5.120sak diperoleh dari Tabel 5.12. 8. In Transit 1
st
Week = 0, tidak adanya produk yang sedang dalam proses pengiriman
9. Planned Shipments - Ship Date = 5.600 sak diperoleh dari Order Quantity 10. Planned Shipments - Receipt Date = 5.600 sak diperoleh dari Order
Quantity 11. Projected on Hand 1
st
Week = Projected on Hand Past Due + Order Quantity – Demands Forecast 1
st
Week = 1.095 + 5.600 –5.120 = 1.575sak 12. Demands Forecast2
nd
Week = 5.120sak diperoleh dari Tabel 5.12. 13. Projected on Hand 2
nd
Week = Projected on Hand 1
st
Week + Order Quantity – Demands Forecast 2
nd
Week = 1.575 + 4.800 – 5.120 = 1.255sak 14. Demands Forecast3
rd
Week = 5.120sak diperoleh dari Tabel 5.12.
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15. In Transit 3
rd
Week = 0, tidak adanya produk yang sedang dalam proses pengiriman
16. Planned Shipments - Ship Date3
rd
Week = 5.600sak diperoleh dari Order Quantity
17. Planned Shipments - Receipt Date3
rd
Week = 5.600 sak diperoleh dari Order Quantity
18. Projected on Hand 3
rd
Week = Projected on Hand 2
nd
week + Order Quantity – Demands Forecast 3
rd
Week = 1.255 + 5.600 – 5.120 = 1.734sak 19. Dilakukan hal yang sama hingga minggu ke 52 sehingga Distribution
Resource Planning Sheet untuk Distribution Center Pekanbaru terisi keseluruhan.
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Tabel 5.21. Distribution Resource Planning Sheet untuk Distribution Center Pekanbaru
Distribution Resource Planning Sheet untuk Distribution Center Pekanbaru
On Hand Balance 1,095
Lead Time 11 hours
≈ 0 week Safety Stock
1,023 Order Quantity
800 Distribution Center
Pekanbaru
Past Due Week
1 2
3 4
5 6
7 8
9 10
11 12
13 Demands Forecast
5,120 5,120
5,120 5,120
5,224 5,224
5,224 5,224
4,263 4,263
4,263 4,263
4,263
In Transit Projected on Hand
1,095 1,575
1,255 1,734
1,414 1,790
1,367 1,743
1,319 1,056
1,592 1,329
1,065 1,602
Net Requirement 4,025
3,546 3,866
3,386 3,810
3,434 3,857
3,481 2,944
3,208 2,671
2,935 3,198
Planned Shipments - Receipt Date
5,600 4,800
5,600 4,800
5,600 4,800
5,600 4,800
4,000 4,800
4,000 4,000
4,800
Planned Shipments - Ship Date 5,600
4,800 5,600
4,800 5,600
4,800 5,600
4,800 4,000
4,800 4,000
4,000 4,800
Past Due Week
14 15
16 17
18 19
20 21
22 23
24 25
26 Demands Forecast
5,437 5,437
5,437 5,437
5,547 5,547
5,547 5,547
4,527 4,527
4,527 4,527
4,527
In Transit Projected on Hand
1,602 1,765
1,128 1,291
1,454 1,507
1,561 1,614
1,667 1,140
1,413 1,686
1,159 1,432
Net Requirement 3,835
3,672 4,309
4,146 4,093
4,040 3,986
3,933 2,860
3,387 3,114
2,841 3,368
Planned Shipments - Receipt Date 5,600
4,800 5,600
5,600 5,600
5,600 5,600
5,600 4,000
4,800 4,800
4,000 4,800
Planned Shipments - Ship Date
5,600 4,800
5,600 5,600
5,600 5,600
5,600 5,600
4,000 4,800
4,800 4,000
4,800
Past Due Week
27 28
29 30
31 32
33 34
35 36
37 38
39 Demands Forecast
5,773 5,773
5,773 5,773
5,890 5,890
5,890 5,890
4,807 4,807
4,807 4,807
4,807
In Transit Projected on Hand
1,432 1,259
1,086 1,713
1,540 1,250
1,761 1,471
1,181 1,174
1,167 1,160
1,153 1,146
Net Requirement
4,341 4,514
4,687 4,060
4,350 4,640
4,129 4,419
3,626 3,633
3,640 3,647
3,654
Planned Shipments - Receipt Date 5600
5,600 6,400
5,600 5,600
6,400 5,600
5,600 4,800
4,800 4800
4,800 4,800
Planned Shipments - Ship Date 5600
5600 6400
5600 5600
6400 5600
5600 4800
4800 4800
4800 4800
Past Due Week
40 41
42 43
44 45
46 47
48 49
50 51
52 Demands Forecast
6,130 6,130
6,130 6,130
6,254 6,254
6,254 6,254
5,104 5,104
5,104 5,104
5,104
In Transit Projected on Hand
1,146 1,416
1,686 1,156
1,426 1,572
1,718 1,064
1,210 1,706
1,402 1,097
1,593 1,289
Net Requirement 4,984
4,714 4,444
4,974 4,828
4,682 4,536
5,190 3,894
3,398 3,703
4,007 3,511
Planned Shipments - Receipt Date 6400
6,400 5,600
6,400 6,400
6,400 5,600
6,400 5600
4,800 4,800
5,600 4,800
Planned Shipments - Ship Date 6400
6400 5600
6400 6400
6400 5600
6400 5600
4800 4800
5600 4800
Universitas Sumatera Utara
Langkah-langkah pengisian Distribution Resource Planning Sheet untuk Distribution Center Rengat adalah:
1. On Hand Balance = 998 Status persediaan awal DC Rengat, diperoleh dari Tabel 5.3.
2. Lead Time = 10hours ≈ 0 weekLead Time pendistribusian produk dari CSF
Padang ke DC Rengat, diperoleh dari Tabel 5.2. 3. OrderQuantity = 800sak diperoleh dari Tabel 5.13.
4. Safety Stock = 1.050 sak diperoleh dari Tabel 5.12. 5. Projected on Hand Past Due = 998 sak diperoleh dari On Hand Balance
6. Net Requirement = 5.352 – 998 = 4.354 sak 7. Demands Forecast1
st
Week = 5.352sak diperoleh dari Tabel 5.12. 8. In Transit 1
st
Week = 0, tidak adanya produk yang sedang dalam proses pengiriman
9. Planned Shipments - Ship Date = 5.600 sak diperoleh dari Order Quantity 10. Planned Shipments - Receipt Date = 5.600 sak diperoleh dari Order
Quantity 11. Projected on Hand 1
st
Week = Projected on Hand Past Due + Order Quantity – Demands Forecast 1
st
Week = 998 + 5.600 –5.352 = 1.246sak 12. Demands Forecast2
nd
Week = 5.352sak diperoleh dari Tabel 5.12. 13. Projected on Hand 2
nd
Week = Projected on Hand 1
st
Week + Order Quantity – Demands Forecast 2
nd
Week = 1.246 + 5.600 – 5.352 = 1.494sak 14. Demands Forecast3
rd
Week = 5.352sak diperoleh dari Tabel 5.12.
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15. In Transit 3
rd
Week = 0, tidak adanya produk yang sedang dalam proses pengiriman
16. Planned Shipments - Ship Date3
rd
Week = 5.600sak diperoleh dari Order Quantity
17. Planned Shipments - Receipt Date3
rd
Week = 5.600 sak diperoleh dari Order Quantity
18. Projected on Hand 3
rd
Week = Projected on Hand 2
nd
week + Order Quantity – Demands Forecast 3
rd
Week = 1.494 + 5.600 – 5.352 = 1.742sak 19. Dilakukan hal yang sama hingga minggu ke 52 sehingga Distribution
Resource Planning Sheet untuk Distribution Center Rengat terisi keseluruhan.
Universitas Sumatera Utara
Tabel 5.22. Distribution Resource Planning Sheet untuk Distribution Center Rengat
Distribution Resource Planning Sheet untuk Distribution Center Rengat
On Hand Balance 998
Lead Time 10 hours
≈ 0 week Safety Stock
1,050 Order Quantity
800 Distribution Center
Rengat
Past Due Week
1 2
3 4
5 6
7 8
9 10
11 12
13 Demands Forecast
5,352 5,352
5,352 5,352
5,465 5,465
5,465 5,465
4,461 4,461
4,461 4,461
4,461
In Transit Projected on Hand
998 1,246
1,494 1,742
1,190 1,326
1,461 1,597
1,732 1,271
1,609 1,148
1,486 1,825
Net Requirement 4,354
4,106 3,858
3,610 4,275
4,139 4,004
3,868 2,729
3,191 2,852
3,314 2,975
Planned Shipments - Receipt Date
5,600 5,600
5,600 4,800
5,600 5600
5,600 5,600
4,000 4,800
4,000 4,800
4,800
Planned Shipments - Ship Date 5,600
5,600 5,600
4,800 5,600
5,600 5,600
5,600 4,000
4,800 4,000
4,800 4,800
Past Due Week
14 15
16 17
18 19
20 21
22 23
24 25
26 Demands Forecast
5,689 5,689
5,689 5,689
5,801 5,801
5,801 5,801
4,731 4,731
4,731 4,731
4,731
In Transit Projected on Hand
1,825 1,736
1,647 1,558
1,469 1,268
1,067 1,665
1,464 1,533
1,602 1,672
1,741 1,810
Net Requirement 3,864
3,953 4,042
4,131 4,332
4,534 4,735
4,136 3,267
3,198 3,128
3,059 2,990
Planned Shipments - Receipt Date 5600
5,600 5,600
5,600 5,600
5,600 6400
5,600 4,800
4,800 4,800
4,800 4,800
Planned Shipments - Ship Date
5600 5600
5600 5600
5600 5600
6400 5600
4800 4800
4800 4800
4800
Past Due Week
27 28
29 30
31 32
33 34
35 36
37 38
39 Demands Forecast
6,026 6,026
6,026 6,026
6,138 6,138
6,138 6,138
5,000 5,000
5,000 5,000
5,000
In Transit Projected on Hand
1,810 1,384
1,759 1,333
1,707 1,169
1,431 1,692
1,154 1,754
1,553 1,353
1,152 1,752
Net Requirement
4,216 4,642
4,267 4,693
4,431 4,970
4,708 4,446
3,846 3,247
3,447 3,648
3,848
Planned Shipments - Receipt Date 5,600
6,400 5,600
6,400 5600
6,400 6,400
5,600 5600
4,800 4800
4,800 5,600
Planned Shipments - Ship Date 5,600
6,400 5,600
6,400 5,600
6,400 6,400
5,600 5,600
4,800 4,800
4,800 5,600
Past Due Week
40 41
42 43
44 45
46 47
48 49
50 51
52 Demands Forecast
6,363 6,363
6,363 6,363
6,475 6,475
6,475 6,475
5,270 5,270
5,270 5,270
5,270
In Transit Projected on Hand
1,752 1,789
1,827 1,064
1,101 1,826
1,751 1,676
1,601 1,131
1,461 1,792
1,322 1,652
Net Requirement 4,611
4,574 4,536
5,299 5,374
4,649 4,724
4,799 3,669
4,139 3,808
3,478 3,948
Planned Shipments - Receipt Date 6,400
6,400 5,600
6,400 7,200
6,400 6,400
6,400 4,800
5,600 5,600
4,800 5600
Planned Shipments - Ship Date 6,400
6,400 5,600
6,400 7,200
6,400 6,400
6,400 4,800
5,600 5,600
4,800 5,600
Universitas Sumatera Utara
Langkah-langkah pengisian Distribution Resource Planning Sheet untuk Distribution Center Siak adalah:
1. On Hand Balance = 1.703 Status persediaan awal DC Siak, diperoleh dari Tabel 5.3.
2. Lead Time = 10hours ≈ 0 weekLead Time pendistribusian produk dari CSF
Padang ke DC Siak, diperoleh dari Tabel 5.2. 3. OrderQuantity = 800sak diperoleh dari Tabel 5.13.
4. Safety Stock = 2.027 sak diperoleh dari Tabel 5.12. 5. Projected on Hand Past Due = 1.703 sak diperoleh dari On Hand Balance
6. Net Requirement = 5.198 – 1.703 = 3.495 sak 7. Demands Forecast1
st
Week = 5.198sak diperoleh dari Tabel 5.12. 8. In Transit 1
st
Week = 0, tidak adanya produk yang sedang dalam proses pengiriman
9. Planned Shipments - Ship Date = 5.600 sak diperoleh dari Order Quantity 10. Planned Shipments - Receipt Date = 5.600 sak diperoleh dari Order
Quantity 11. Projected on Hand 1
st
Week = Projected on Hand Past Due + Order Quantity – Demands Forecast 1
st
Week = 1.703 + 5.600 – 5.198 = 2.106sak 12. Demands Forecast2
nd
Week = 5.198sak diperoleh dari Tabel 5.12. 13. Projected on Hand 2
nd
Week = Projected on Hand 1
st
Week + Order Quantity – Demands Forecast 2
nd
Week = 2.106 + 5.600 – 5.198 = 2.508sak 14. Demands Forecast3
rd
Week = 5.198sak diperoleh dari Tabel 5.12.
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15. In Transit 3
rd
Week = 0, tidak adanya produk yang sedang dalam proses pengiriman
16. Planned Shipments - Ship Date3
rd
Week = 4.800sak diperoleh dari Order Quantity
17. Planned Shipments - Receipt Date3
rd
Week = 4.800 sak diperoleh dari Order Quantity
18. Projected on Hand 3
rd
Week = Projected on Hand 2
nd
week + Order Quantity – Demands Forecast 3
rd
Week = 2.508 + 4.800 – 5.198 = 2.111sak 19. Dilakukan hal yang sama hingga minggu ke 52 sehingga Distribution
Resource Planning Sheet untuk Distribution Center Siak terisi keseluruhan.
Universitas Sumatera Utara
Tabel 5.23. Distribution Resource Planning Sheet untuk Distribution Center Siak
Distribution Resource Planning Sheet untuk Distribution Center Siak
On Hand Balance 1,703
Lead Time 11 hours
≈ 0 week Safety Stock
2,027 Order Quantity
800 Distribution Center
Siak
Past Due Week
1 2
3 4
5 6
7 8
9 10
11 12
13 Demands Forecast
5,198 5,198
5,198 5,198
5,464 5,464
5,464 5,464
4,595 4,595
4,595 4,595
4,595
In Transit Projected on Hand
1,703 2,106
2,508 2,111
2,513 2,649
2,785 2,121
2,257 2,462
2,667 2,071
2,276 2,481
Net Requirement 3,495
3,092 2,690
3,087 2,951
2,815 2,679
3,343 2,338
2,133 1,929
2,524 2,319
Planned Shipments - Receipt Date 5,600
5,600 4,800
5600 5,600
5,600 4,800
5,600 4,800
4,800 4,000
4,800 4,800
Planned Shipments - Ship Date 5,600
5,600 4,800
5,600 5,600
5,600 4,800
5,600 4,800
4,800 4,000
4,800 4,800
Past Due Week
14 15
16 17
18 19
20 21
22 23
24 25
26 Demands Forecast
6,039 6,039
6,039 6,039
6,348 6,348
6,348 6,348
5,339 5,339
5,339 5,339
5,339
In Transit Projected on Hand
2,481 2,043
2,404 2,766
2,327 2,379
2,431 2,482
2,534 2,795
2,256 2,518
2,779 2,240
Net Requirement 3,558
3,996 3,635
3,273 4,021
3,970 3,918
3,866 2,805
2,544 3,082
2,821 2,560
Planned Shipments - Receipt Date 5,600
6,400 6400
5,600 6,400
6,400 6400
6,400 5,600
4,800 5,600
5,600 4,800
Planned Shipments - Ship Date
5,600 6,400
6,400 5,600
6,400 6,400
6,400 6,400
5,600 4,800
5,600 5,600
4,800
Past Due Week
27 28
29 30
31 32
33 34
35 36
37 38
39 Demands Forecast
7,016 7,016
7,016 7,016
7,375 7,375
7,375 7,375
6,203 6,203
6,203 6,203
6,203
In Transit Projected on Hand
2,240 2,424
2,609 2,793
2,177 2,802
2,627 2,451
2,276 2,473
2,670 2,068
2,265 2,462
Net Requirement
4,776 4,592
4,407 4,223
5,198 4,574
4,749 4,924
3,927 3,730
3,532 4,135
3,938
Planned Shipments - Receipt Date 7,200
7,200 7200
6,400 8,000
7,200 7,200
7,200 6,400
6,400 5,600
6,400 6,400
Planned Shipments - Ship Date 7,200
7,200 7,200
6,400 8,000
7,200 7,200
7,200 6,400
6,400 5,600
6,400 6,400
Past Due Week
40 41
42 43
44 45
46 47
48 49
50 51
52 Demands Forecast
8,151 8,151
8,151 8,151
8,569 8,569
8,569 8,569
7,206 7,206
7,206 7,206
7,206
In Transit Projected on Hand
2,462 2,311
2,160 2,809
2,658 2,089
2,321 2,552
2,783 2,777
2,770 2,764
2,757 2,751
Net Requirement 5,689
5,840 5,991
5,342 5,911
6,480 6,248
6,017 4,423
4,430 4,436
4,443 4,449
Planned Shipments - Receipt Date 8,000
8,000 8,800
8,000 8,000
8,800 8,800
8,800 7200
7,200 7200
7,200 7,200
Planned Shipments - Ship Date 8,000
8,000 8,800
8,000 8,000
8,800 8,800
8,800 7,200
7,200 7,200
7,200 7,200
Universitas Sumatera Utara
Langkah-langkah pengisian Distribution Resource Planning Sheet untuk Distribution Center Ujung Tanjung adalah:
1. On Hand Balance = 1.193 Status persediaan awal DC Ujung Tanjung, diperoleh dari Tabel 5.3.
2. Lead Time = 7hours ≈ 0 week Lead Time pendistribusian produk dari CSF
Padang ke DC Ujung Tanjung, diperoleh dari Tabel 5.2. 3. OrderQuantity = 800sak diperoleh dari Tabel 5.13.
4. Safety Stock = 1.125 sak diperoleh dari Tabel 5.12. 5. Projected on Hand Past Due = 1.193 sak diperoleh dari On Hand Balance
6. Net Requirement = 5.627 – 1.193 = 4.434 sak 7. Demands Forecast1
st
Week = 5.627sak diperoleh dari Tabel 5.12. 8. In Transit 1
st
Week = 0, tidak adanya produk yang sedang dalam proses pengiriman
9. Planned Shipments - Ship Date = 5.600 sak diperoleh dari Order Quantity 10. Planned Shipments - Receipt Date = 5.600 sak diperoleh dari Order
Quantity 11. Projected on Hand 1
st
Week = Projected on Hand Past Due + Order Quantity – Demands Forecast 1
st
Week = 1.193 + 5.600 – 5.627 = 1.166sak 12. Demands Forecast2
nd
Week = 5.198sak diperoleh dari Tabel 5.12. 13. Projected on Hand 2
nd
Week = Projected on Hand 1
st
Week + Order Quantity – Demands Forecast 2
nd
Week = 1.166 + 5.600 – 5.627 = 1.139sak 14. Demands Forecast3
rd
Week = 5.198sak diperoleh dari Tabel 5.12.
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15. In Transit 3
rd
Week = 0, tidak adanya produk yang sedang dalam proses pengiriman
16. Planned Shipments - Ship Date3
rd
Week = 6.400sak diperoleh dari Order Quantity
17. Planned Shipments - Receipt Date3
rd
Week = 6.400 sak diperoleh dari Order Quantity
18. Projected on Hand 3
rd
Week = Projected on Hand 2
nd
week + Order Quantity – Demands Forecast 3
rd
Week = 1.139 + 6.400 – 5.627 = 1.912sak 19. Dilakukan hal yang sama hingga minggu ke 52 sehingga Distribution
Resource Planning Sheet untuk Distribution Center Ujung Tanjung terisi keseluruhan.
Universitas Sumatera Utara
Tabel 5.24. Distribution Resource Planning Sheet untuk Distribution Center Ujung Tanjung
Distribution Resource Planning Sheet untuk Distribution Center Ujung Tanjung
On Hand Balance 1,193
Lead Time 7 hours
≈ 0 week Safety Stock
1,125 Order Quantity
800 Distribution Center
Ujung Tanjung
Past Due Week
1 2
3 4
5 6
7 8
9 10
11 12
13 Demands Forecast
5,627 5,627
5,627 5,627
5,752 5,752
5,752 5,752
4,701 4,701
4,701 4,701
4,701
In Transit Projected on Hand
1,193 1,166
1,139 1,912
1,885 1,733
1,582 1,430
1,278 1,377
1,475 1,574
1,672 1,771
Net Requirement 4,434
4,461 4,488
3,715 3,867
4,019 4,170
4,322 3,423
3,325 3,226
3,128 3,029
Planned Shipments - Receipt Date 5,600
5,600 6,400
5600 5,600
5,600 5,600
5,600 4,800
4,800 4,800
4,800 4,800
Planned Shipments - Ship Date 5,600
5,600 6,400
5,600 5,600
5,600 5,600
5,600 4,800
4,800 4,800
4,800 4,800
Past Due Week
14 15
16 17
18 19
20 21
22 23
24 25
26 Demands Forecast
6,002 6,002
6,002 6,002
6,126 6,126
6,126 6,126
5,001 5,001
5,001 5,001
5,001
In Transit Projected on Hand
1,771 1,370
1,768 1,367
1,765 1,239
1,513 1,786
1,260 1,859
1,658 1,457
1,256 1,855
Net Requirement 4,231
4,632 4,234
4,635 4,361
4,888 4,614
4,340 3,741
3,142 3,343
3,544 3,745
Planned Shipments - Receipt Date 5,600
6,400 5600
6,400 5,600
6,400 6400
5,600 5,600
4,800 4,800
4,800 5,600
Planned Shipments - Ship Date 5,600
6,400 5,600
6,400 5,600
6,400 6,400
5,600 5,600
4,800 4,800
4,800 5,600
Past Due Week
27 28
29 30
31 32
33 34
35 36
37 38
39 Demands Forecast
6,376 6,376
6,376 6,376
6,501 6,501
6,501 6,501
5,301 5,301
5,301 5,301
5,301
In Transit Projected on Hand
1,855 1,879
1,903 1,127
1,151 1,850
1,750 1,649
1,548 1,847
1,347 1,646
1,146 1,445
Net Requirement 4,521
4,497 4,473
5,249 5,350
4,651 4,751
4,852 3,753
3,453 3,954
3,654 4,155
Planned Shipments - Receipt Date 6,400
6,400 5600
6,400 7,200
6,400 6,400
6,400 5,600
4,800 5,600
4,800 5,600
Planned Shipments - Ship Date 6,400
6,400 5,600
6,400 7,200
6,400 6,400
6,400 5,600
4,800 5,600
4,800 5,600
Past Due Week
40 41
42 43
44 45
46 47
48 49
50 51
52 Demands Forecast
6,751 6,751
6,751 6,751
6,875 6,875
6,875 6,875
5,600 5,600
5,600 5,600
5,600
In Transit Projected on Hand
1,445 1,895
1,544 1,194
1,643 1,168
1,493 1,817
1,342 1,342
1,342 1,342
1,342 1,342
Net Requirement
5,306 4,856
5,207 5,557
5,232 5,708
5,383 5,058
4,258 4,258
4,258 4,258
4,258
Planned Shipments - Receipt Date 7,200
6,400 6,400
7,200 6,400
7,200 7,200
6,400 5600
5,600 5600
5,600 5,600
Planned Shipments - Ship Date 7,200
6,400 6,400
7,200 6,400
7,200 7,200
6,400 5,600
5,600 5,600
5,600 5,600
Universitas Sumatera Utara
Langkah-langkah pengisian Distribution Resource Planning Sheet untuk Distribution Center Bengkulu adalah:
1. On Hand Balance = 651 Status persediaan awal DC Bengkulu, diperoleh dari Tabel 5.3.
2. Lead Time = 20hours ≈ 0 week Lead Time pendistribusian produk dari CSF
Padang ke DC Bengkulu, diperoleh dari Tabel 5.2. 3. OrderQuantity = 800sak diperoleh dari Tabel 5.13.
4. Safety Stock = 664 sak diperoleh dari Tabel 5.12. 5. Projected on Hand Past Due = 651 sak diperoleh dari On Hand Balance
6. Net Requirement = 2.935 – 651 = 2.284 sak 7. Demands Forecast1
st
Week = 2.935sak diperoleh dari Tabel 5.12. 8. In Transit 1
st
Week = 0, tidak adanya produk yang sedang dalam proses pengiriman
9. Planned Shipments - Ship Date = 3.200 sak diperoleh dari Order Quantity 10. Planned Shipments - Receipt Date = 3.200 sak diperoleh dari Order
Quantity 11. Projected on Hand 1
st
Week = Projected on Hand Past Due + Order Quantity – Demands Forecast 1
st
Week = 651 + 3.200 – 2.935 = 916sak 12. Demands Forecast2
nd
Week = 2.935sak diperoleh dari Tabel 5.12. 13. Projected on Hand 2
nd
Week = Projected on Hand 1
st
Week + Order Quantity – Demands Forecast 2
nd
Week = 916 + 3.200 – 2.935 = 1.182sak 14. Demands Forecast3
rd
Week = 2.935sak diperoleh dari Tabel 5.12.
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15. In Transit 3
rd
Week = 0, tidak adanya produk yang sedang dalam proses pengiriman
16. Planned Shipments - Ship Date3
rd
Week = 3.200sak diperoleh dari Order Quantity
17. Planned Shipments - Receipt Date3
rd
Week = 3.200 sak diperoleh dari Order Quantity
18. Projected on Hand 3
rd
Week = Projected on Hand 2
nd
week + Order Quantity – Demands Forecast 3
rd
Week = 1.182 + 3.200 – 2.935 = 1.447sak 19. Dilakukan hal yang sama hingga minggu ke 52 sehingga Distribution
Resource Planning Sheet untuk Distribution Center Bengkulu terisi keseluruhan.
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Tabel 5.25. Distribution Resource Planning Sheet untuk Distribution Center Bengkulu
Distribution Resource Planning Sheet untuk Distribution Center Bengkulu
On Hand Balance 651
Lead Time
20 hours ≈ 0 week
Safety Stock 664
Order Quantity 800
Distribution Center Bengkulu
Past Due Week
1 2
3 4
5 6
7 8
9 10
11 12
13 Demands Forecast
2,935 2,935
2,935 2,935
3,022 3,022
3,022 3,022
2,487 2,487
2,487 2,487
2,487
In Transit Projected on Hand
651 916
1,182 1,447
912 1,090
1,269 1,447
825 738
1,451 1,363
1,276 1,189
Net Requirement 2,284
2,019 1,753
1,488 2,110
1,932 1,753
1,575 1,662
1,749 1,037
1,124 1,211
Planned Shipments - Receipt Date 3,200
3,200 3,200
2400 3,200
3,200 3,200
2,400 2,400
3,200 2,400
2,400 2,400
Planned Shipments - Ship Date 3,200
3,200 3,200
2,400 3,200
3,200 3,200
2,400 2,400
3,200 2,400
2,400 2,400
Past Due Week
14 15
16 17
18 19
20 21
22 23
24 25
26 Demands Forecast
3,196 3,196
3,196 3,196
3,283 3,283
3,283 3,283
2,696 2,696
2,696 2,696
2,696
In Transit Projected on Hand
1,189 1,193
1,197 1,201
1,205 1,122
1,039 956
873 1,377
1,081 785
1,289 993
Net Requirement 2,007
2,003 1,999
1,995 2,078
2,161 2,244
2,327 1,823
1,319 1,615
1,911 1,407
Planned Shipments - Receipt Date 3,200
3,200 3200
3,200 3,200
3,200 3200
3,200 3,200
2,400 2,400
3,200 2,400
Planned Shipments - Ship Date 3,200
3,200 3,200
3,200 3,200
3,200 3,200
3,200 3,200
2,400 2,400
3,200 2,400
Past Due Week
27 28
29 30
31 32
33 34
35 36
37 38
39 Demands Forecast
3,457 3,457
3,457 3,457
3,544 3,544
3,544 3,544
2,905 2,905
2,905 2,905
2,905
In Transit Projected on Hand
993 736
1,279 1,022
765 1,221
877 1,333
989 1,284
779 1,075
1,370 865
Net Requirement 2,464
2,721 2,178
2,435 2,779
2,323 2,667
2,211 1,916
1,621 2,125
1,830 1,535
Planned Shipments - Receipt Date 3,200
4,000 3200
3,200 4,000
3,200 4,000
3,200 3,200
2,400 3,200
3,200 2,400
Planned Shipments - Ship Date 3,200
4,000 3,200
3,200 4,000
3,200 4,000
3,200 3,200
2,400 3,200
3,200 2,400
Past Due Week
40 41
42 43
44 45
46 47
48 49
50 51
52 Demands Forecast
3,718 3,718
3,718 3,718
3,805 3,805
3,805 3,805
3,114 3,114
3,114 3,114
3,114
In Transit Projected on Hand
865 1,147
1,429 911
1,193 1,388
783 978
1,173 1,259
1,346 1,432
719 805
Net Requirement
2,853 2,571
2,289 2,807
2,612 2,417
3,022 2,827
1,941 1,854
1,768 1,681
2,395
Planned Shipments - Receipt Date 4,000
4,000 3,200
4,000 4,000
3,200 4,000
4,000 3200
3,200 3200
2,400 3,200
Planned Shipments - Ship Date 4,000
4,000 3,200
4,000 4,000
3,200 4,000
4,000 3,200
3,200 3,200
2,400 3,200
Universitas Sumatera Utara
Langkah-langkah pengisian Distribution Resource Planning Sheet untuk Distribution Center Sibolga adalah:
1. On Hand Balance = 475 Status persediaan awal DC Sibolga, diperoleh dari Tabel 5.3.
2. Lead Time = 17hours ≈ 0 week Lead Time pendistribusian produk dari CSF
Padang ke DC Sibolga, diperoleh dari Tabel 5.2. 3. OrderQuantity = 800sak diperoleh dari Tabel 5.13.
4. Safety Stock = 579 sak diperoleh dari Tabel 5.12. 5. Projected on Hand Past Due = 475 sak diperoleh dari On Hand Balance
6. Net Requirement = 2.898 – 475 = 2.423 sak 7. Demands Forecast1
st
Week = 2.898sak diperoleh dari Tabel 5.12. 8. In Transit 1
st
Week = 0, tidak adanya produk yang sedang dalam proses pengiriman
9. Planned Shipments - Ship Date = 3.200 sak diperoleh dari Order Quantity 10. Planned Shipments - Receipt Date = 3.200 sak diperoleh dari Order
Quantity 11. Projected on Hand 1
st
Week = Projected on Hand Past Due + Order Quantity – Demands Forecast 1
st
Week = 475 + 3.200 – 2.898 = 777sak 12. Demands Forecast2
nd
Week = 2.935sak diperoleh dari Tabel 5.12. 13. Projected on Hand 2
nd
Week = Projected on Hand 1
st
Week + Order Quantity – Demands Forecast 2
nd
Week = 777 + 3.200 – 2.898 = 1.080sak 14. Demands Forecast3
rd
Week = 2.898sak diperoleh dari Tabel 5.12.
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15. In Transit 3
rd
Week = 0, tidak adanya produk yang sedang dalam proses pengiriman
16. Planned Shipments - Ship Date3
rd
Week = 2.400sak diperoleh dari Order Quantity
17. Planned Shipments - Receipt Date3
rd
Week = 2.400 sak diperoleh dari Order Quantity
18. Projected on Hand 3
rd
Week = Projected on Hand 2
nd
week + Order Quantity – Demands Forecast 3
rd
Week = 1.080 + 2.400 – 2.898 = 582sak 19. Dilakukan hal yang sama hingga minggu ke 52 sehingga Distribution
Resource Planning Sheet untuk Distribution Center Sibolga terisi keseluruhan.
Universitas Sumatera Utara
Tabel 5.26. Distribution Resource Planning Sheet untuk Distribution Center Sibolga
Distribution Resource Planning Sheet untuk Distribution Center Sibolga
On Hand Balance 475
Lead Time
17 hours ≈ 0 week
Safety Stock 579
Order Quantity 800
Distribution Center Sibolga
Past Due Week
1 2
3 4
5 6
7 8
9 10
11 12
13 Demands Forecast
2,898 2,898
2,898 2,898
2,956 2,956
2,956 2,956
2,413 2,413
2,413 2,413
2,413
In Transit Projected on Hand
475 777
1,080 582
884 1,128
1,372 815
1,059 1,046
1,033 1,021
1,008 995
Net Requirement 2,423
2,121 1,818
2,316 2,072
1,829 1,585
2,141 1,354
1,367 1,379
1,392 1,405
Planned Shipments - Receipt Date 3,200
3,200 2,400
3200 3,200
3,200 2,400
3,200 2,400
2,400 2,400
2,400 2,400
Planned Shipments - Ship Date 3,200
3,200 2,400
3,200 3,200
3,200 2,400
3,200 2,400
2,400 2,400
2,400 2,400
Past Due Week
14 15
16 17
18 19
20 21
22 23
24 25
26 Demands Forecast
3,077 3,077
3,077 3,077
3,139 3,139
3,139 3,139
2,562 2,562
2,562 2,562
2,562
In Transit Projected on Hand
995 1,118
1,241 1,364
1,487 748
809 870
931 769
607 1,245
1,083 921
Net Requirement 2,082
1,959 1,836
1,713 1,652
2,391 2,330
2,269 1,631
1,793 1,955
1,317 1,479
Planned Shipments - Receipt Date 3,200
3,200 3200
3,200 2,400
3,200 3200
3,200 2,400
2,400 3,200
2,400 2,400
Planned Shipments - Ship Date 3,200
3,200 3,200
3,200 2,400
3,200 3,200
3,200 2,400
2,400 3,200
2,400 2,400
Past Due Week
27 28
29 30
31 32
33 34
35 36
37 38
39 Demands Forecast
3,267 3,267
3,267 3,267
3,333 3,333
3,333 3,333
2,720 2,720
2,720 2,720
2,720
In Transit Projected on Hand
921 854
786 719
652 1,319
1,186 1,053
920 1,400
1,079 759
1,238 918
Net Requirement 2,346
2,414 2,481
2,548 2,681
2,014 2,147
2,280 1,800
1,321 1,641
1,962 1,482
Planned Shipments - Receipt Date 3,200
3,200 3200
3,200 4,000
3,200 3,200
3,200 3,200
2,400 2,400
3,200 2,400
Planned Shipments - Ship Date 3,200
3,200 3,200
3,200 4,000
3,200 3,200
3,200 3,200
2,400 2,400
3,200 2,400
Past Due Week
40 41
42 43
44 45
46 47
48 49
50 51
52 Demands Forecast
3,469 3,469
3,469 3,469
3,539 3,539
3,539 3,539
2,889 2,889
2,889 2,889
2,889
In Transit Projected on Hand
918 649
1,180 910
641 1,102
762 1,223
884 1,195
707 1,018
1,330 841
Net Requirement
2,551 2,821
2,290 2,559
2,898 2,438
2,777 2,316
2,005 1,693
2,182 1,870
1,559
Planned Shipments - Receipt Date 3,200
4,000 3,200
3,200 4,000
3,200 4,000
3,200 3200
2,400 3200
3,200 2,400
Planned Shipments - Ship Date 3,200
4,000 3,200
3,200 4,000
3,200 4,000
3,200 3,200
2,400 3,200
3,200 2,400
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Pada Tabel 5.18 sampai dengan Tabel 5.26. dapat dilihat DRP worksheet yang pada enam distribution center, yaitu Jambi, Lubuk Linggau, Tembilahan,
Pekanbaru, Rengat, Siak, Ujung Tanjung, Bengkulu dan Sibolga. Pada DRP worksheet terlihat perencanaan pengiriman produk, penerimaan produk, jumlah
produk yang tersedia di distribution center, dan jumlah permintaan produk pada masing-masing distribution center berdasarkan peramalan. Perencanaan pada
DRP worksheet dilakukan untuk 12 bulan kedepan yang dibagi kedalam 52 minggu.
DRP worksheet mengacu pada jumlah permintaan di awal periode, safety stock, lead time, serta order quantity. Order quantity merupakan jumlah
pengiriman produk yang optimal padsa setiap pemesanan dan safety stock merupakan titik acuan pemesanan kembali produk.
5.2.6. Pegging Information