LAMPIRAN E
PERHITUNGAN ANALISA EKONOMI
Harga peralatan setiap saat akan
berubah tergantung pada perubahan ekonomi. Apabila alat pada beberapa tahun
yang lalu diketahui. maka harga alat sekarang dapat diperkirakan dengan
menggunakan Marshall and Swift Equipment Cost Index. Besarnya harga alat
dapat dinyatakan sebagai berikut.
Daftar indeks
harga peralatan untuk semua industri dapat dilihat pada Tabel E.1
Tabel E.1 Daftar indeks harga peralatan
|
No.
|
Tahun
|
Indeks
|
|
1
|
2000
|
1.089.0
|
|
2
|
2001
|
1.093.9
|
|
3
|
2002
|
1.102.5
|
|
4
|
2003
|
1.123.6
|
|
5
|
2004
|
1.178.5
|
|
6
|
2005
|
1.244.5
|
|
7
|
2006
|
1.302.3
|
|
8
|
2007
|
1.373.3
|
|
9
|
2008
|
1.449.3
|
|
10
|
2009
|
1.468.6
|
|
11
|
2010
|
1.457.4
|
|
12
|
2011
|
1.536.5
|
Dengan metode Least Square(Peters
dan Timmerhaus ed 4 p.
760-761) dapat dilakukan penaksiran indeks harga rata-rata pada tahun pembelian
peralatan. yaitu tahun 2019. Penyelesaian dengan Least Square menggunakan
persamaan.
Dimana;
Tabel
E.2 Penaksiran indeks harga dengan metode Least Square
|
Data
|
X
|
Y
|
x2
|
y2
|
x.y
|
|
1
|
2000
|
1.089.00
|
4.000.000
|
1.185.921.00
|
2.178.000.00
|
|
2
|
2001
|
1.093.90
|
4.004.001
|
1.196.617.21
|
2.188.893.90
|
|
3
|
2002
|
1.102.50
|
4.008.004
|
1.215.506.25
|
2.207.205.00
|
|
4
|
2003
|
1.123.60
|
4.012.009
|
1.262.476.96
|
2.250.570.80
|
|
5
|
2004
|
1.178.60
|
4.016.016
|
1.389.097.96
|
2.361.914.40
|
|
6
|
2005
|
1.244.50
|
4.020.025
|
1.548.780.25
|
2.495.222.50
|
|
7
|
2006
|
1.302.30
|
4.024.036
|
1.695.985.29
|
2.612.413.80
|
|
8
|
2007
|
1.373.30
|
4.028.049
|
1.885.952.89
|
2.756.213.10
|
|
9
|
2008
|
1.449.30
|
4.032.064
|
2.100.470.49
|
2.910.194.40
|
|
10
|
2009
|
1.468.60
|
4.036.081
|
2.156.785.96
|
2.950.417.40
|
|
11
|
2010
|
1.457.40
|
4.040.100
|
2.124.014.76
|
2.929.374.00
|
|
12
|
2011
|
1.536.50
|
4.044.121
|
2.360.832.25
|
3.089.901.50
|
|
Total
|
24.066
|
15.419.50
|
48.264.506.00
|
20.122.441.27
|
30.930.320.80
|
= 143
= 309.026.25
Persamaannya
menjadi:
y = 1.284.96+45.55
untuk x = 2018. maka y = 1.854.32
Sehingga. indeks
harga peralatan pada tahun pembelian 2018adalah 1.854.32.
Harga peralatan yang digunakan dari perusahaan Matches Engineering.(http://www.matche.com) dimana pada basis tahun 2018 didapatkan indeks harga sebesar 1.854.32
dan sumber lainnya dengan indeks yang telah disesuaikan. Kurs Dollar (2015)= US
S1 = Rp. 13.400.00(Bank BNI. BRI. BI.
Mandiri. BCA dalam situs www.kursdolar.net pada Tanggal 12November 2015).
E.2 Perhitungan Harga Peralatan proses
Contoh
perhitungan :
Nama
alat : Belt
Conveyor I (BC-101)
Harga tahun
2015 = US $311893
(www.matche.com. diakses tanggal 19
November2015)
Harga tahun 2018 = US $ 311893× Rp. 13.400.00×
= Rp.4.618.923.423,553
Tabel E.3
Daftar harga peralatan proses
|
No
|
Nama Alat
|
Harga per
Unit (USS)
|
Jumlah
|
Harga Total
|
Harga Total
|
|
|
2015
|
2016
|
(USS)
|
(Rp)
|
|||
|
1
|
Belt Conveyor
|
223.900
|
241.712
|
2
|
483.424,242
|
6.631.613.755,573
|
|
2
|
Chipper
|
3.500
|
3.778
|
1
|
3.778,439
|
51.832.622,029
|
|
3
|
Tangki Asam asetat
|
87.000
|
93.921
|
1
|
93.921,190
|
1.288.410.890,431
|
|
4
|
Bucket Elevator
|
18.800
|
20.296
|
1
|
20.295,614
|
278.415.226,898
|
|
5
|
Tangki Cairan Pemasak
|
64.600
|
69.739
|
1
|
69.739,183
|
956.682.109,446
|
|
6
|
Pompa Cairan Pemasak
|
16.100
|
17.381
|
2
|
34.761,636
|
476.860.122,665
|
|
7
|
Heater Larutan pemasak
|
13.200
|
14.250
|
1
|
14.250,112
|
195.483.031,652
|
|
8
|
Tangki Katalis HCl
|
141.200
|
152.433
|
1
|
152.433,013
|
2.091.076.065,848
|
|
9
|
Pompa Katalis HCl
|
5.800
|
6.261
|
2
|
12.522,825
|
171.788.118,724
|
|
10
|
Heater Katalis
|
13.200
|
14.250
|
2
|
28.500,223
|
390.966.063,303
|
|
11
|
Hopper
|
3.400
|
3.670
|
1
|
3.670,483
|
50.351.689,971
|
|
12
|
Digester
|
311.893
|
336.705
|
1
|
336.705,309
|
4.618.923.423,553
|
|
13
|
pompa digester
|
5.800
|
6.261
|
2
|
12.522,825
|
171.788.118,724
|
|
14
|
Blow Tank
|
84.700
|
91.438
|
1
|
91.438,216
|
1.254.349.453,097
|
|
15
|
Pompa Blow Tank
|
5.700
|
6.153
|
2
|
12.306,915
|
168.826.254,608
|
|
16
|
Washer
|
1.168.100
|
1.261.027
|
3
|
3.783.080,778
|
51.896.302.107,312
|
|
17
|
Tangki Washer
|
345.100
|
372.554
|
3
|
1.117.662,166
|
15.332.089.596,125
|
|
18
|
Pompa Washer
|
3.300
|
3.563
|
3
|
10.687,584
|
146.612.273,739
|
|
19
|
Heater
Washer
|
13.000
|
14.034
|
1
|
14.034,201
|
192.521.167,536
|
|
20
|
Pompa washer III ke stock chest I
|
5.300
|
5.722
|
2
|
11.443,271
|
156.978.798,144
|
|
21
|
Stock
Chest
|
103.600
|
111.842
|
1
|
111.841,785
|
1.534.245.612,053
|
|
22
|
Pompa Stock Chest
|
5.800
|
6.261
|
2
|
12.522,825
|
171.788.118,724
|
|
23
|
Mixer
|
665.700
|
718.659
|
1
|
718.659,040
|
9.858.564.709,881
|
|
24
|
Tangki Penampung NaOH
|
36300
|
39.188
|
1
|
39.187,807
|
537.578.337,042
|
|
25
|
Washer IV
|
1.168.100
|
1.261.027
|
1
|
1.261.026,926
|
17.298.767.369,104
|
|
26
|
Tangki Washer IV
|
345.100
|
372.554
|
1
|
372.554,055
|
5.110.696.532,042
|
|
27
|
Pompa Washer IV
|
3.300
|
3.563
|
1
|
3.562,528
|
48.870.757,913
|
|
28
|
Stock Chest II
|
103.600
|
111.842
|
1
|
111.841,785
|
1.534.245.612,053
|
|
29
|
Pompa Stock Chest II
|
8.700
|
9.392
|
1
|
18.784,238
|
257.682.178,086
|
|
30
|
Menara O2 Delignifikasi
|
537.300
|
580.044
|
1
|
580.044,317
|
7.957.047.947,453
|
|
31
|
Centry Clenaer I
|
16.700
|
18.029
|
1
|
18.028,550
|
247.315.653,680
|
|
32
|
Pompa centry cleaner
|
18.700
|
20.188
|
6
|
121.125,949
|
1.661.605.769,038
|
|
33
|
centry Clenaer II dan III
|
16.700
|
18.029
|
2
|
36.057,101
|
494.631.307,361
|
|
34
|
Head Box
|
29.100
|
31.415
|
1
|
31.415,019
|
430.951.228,868
|
|
35
|
Foundriner
|
250.000
|
269.888
|
1
|
269.888,478
|
3.702.330.144,916
|
|
36
|
Mesin Press
|
20.000
|
21.591
|
1
|
21.591,078
|
296.186.411,593
|
|
37
|
Drum Dryer
|
248.300
|
268.053
|
1
|
268.053,237
|
3.677.154.299,930
|
|
38
|
Belt Conveyor
|
13.900
|
15.006
|
1
|
15.005,799
|
205.849.556,057
|
|
39
|
mesin Pengepakan
|
4.500
|
4.858
|
1
|
4857,992609
|
66.641.942,608
|
|
Jumlah
|
59
|
10.549.933,059
|
144.723.982.699,51
|
|||
Tabel E.4 Harga peralatan utilitas
|
Nama Alat
|
Harga per
Unit (USS)
|
Jumlah
|
Harga Total
|
Harga Total
|
||
|
2015
|
2016
|
(USS)
|
(Rp)
|
|||
|
Raw Water Screaning
|
20.900
|
22.563
|
1
|
22.562,677
|
309.514.800,115
|
|
|
Bak Penampung Water Intake
|
45.968
|
49.625
|
1
|
49.624,934
|
680.754.848,406
|
|
|
Bak Penampung Air sungai
|
29.120
|
31.437
|
1
|
31.436,610
|
431.247.415,280
|
|
|
Clarifier
|
105.700
|
114.109
|
1
|
114.108,849
|
1.565.345.185,270
|
|
|
Tangki Pelarutan Alum
|
7.600
|
8.205
|
1
|
8.204,610
|
112.550.836,405
|
|
|
Tangki Pelarutan Soda Abu
|
4.600
|
4.966
|
1
|
4.965,948
|
68.122.874,666
|
|
|
Sand Filter
|
36.300
|
39.188
|
2
|
78.375,614
|
1.075.156.674,084
|
|
|
Activated Carbon Filter
|
36.300
|
39.188
|
2
|
78.375,614
|
1.075.156.674,084
|
|
|
Tangki kondensat
|
11.800
|
12.739
|
4
|
50.954,945
|
698.999.931,360
|
|
|
Tangki Pelarutan NaCl (TU-306)
|
10.900
|
11.767
|
1
|
11.767,138
|
161.421.594,318
|
|
|
Tangki Desinfektan
|
500
|
540
|
1
|
539,777
|
7.404.660,290
|
|
|
Tangki Air Sanitasi
|
12.500
|
13.494
|
1
|
13.494,424
|
185.116.507,246
|
|
|
Tangki Pelarutan Kaustik Soda
|
600
|
648
|
1
|
647,732
|
8.885.592,348
|
|
|
Tangki alum
|
7.600
|
8.205
|
4
|
32.818,439
|
450.203.345,622
|
|
|
Tangki Hidrazin
|
500
|
540
|
1
|
539,777
|
7.404.660,290
|
|
|
Tangki Air Bersih
|
20.900
|
22.563
|
1
|
22.562,677
|
309.514.800,115
|
|
|
Tangki Soda Abu
|
4.600
|
4.966
|
2
|
9.931,896
|
136.245.749,333
|
|
|
Reject Box
|
2.000
|
2.159
|
1
|
2.159,108
|
29.618.641,159
|
|
|
Pompa I
|
14.700
|
15.869
|
2
|
31.738,885
|
435.394.025,042
|
|
|
Pompa II
|
14.700
|
15.869
|
2
|
31.738,885
|
435.394.025,042
|
|
|
Pompa III
|
1.900
|
2.051
|
2
|
4.102,305
|
56.275.418,203
|
|
|
Pompa IV
|
1.900
|
2.051
|
2
|
4.102,305
|
56.275.418,203
|
|
|
Pompa V
|
14.700
|
15.869
|
2
|
31.738,885
|
435.394.025,042
|
|
|
Pompa VI
|
14.700
|
15.869
|
2
|
31.738,885
|
435.394.025,042
|
|
|
Pompa VII
|
14.700
|
15.869
|
2
|
31.738,885
|
435.394.025,042
|
|
|
Pompa VIII
|
9.000
|
9.716
|
2
|
19.431,970
|
266.567.770,434
|
|
|
Pompa IX
|
7.900
|
8.528
|
2
|
17.056,952
|
233.987.265,159
|
|
|
Pompa X
|
6.100
|
6.585
|
2
|
13.170,558
|
180.673.711,072
|
|
|
Pompa XI
|
1.900
|
2.051
|
2
|
4.102,305
|
56.275.418,203
|
|
|
Pompa XII
|
9.000
|
9.716
|
2
|
19.431,970
|
266.567.770,434
|
|
|
Pompa XIII
|
7.900
|
8.528
|
2
|
17.056,952
|
233.987.265,159
|
|
|
Pompa XIV
|
2.200
|
2.375
|
2
|
4.750,037
|
65.161.010,551
|
|
|
Pompa XV
|
7.400
|
7.989
|
2
|
15.977,398
|
219.177.944,579
|
|
|
Pompa XVI
|
7.400
|
7.989
|
2
|
15.977,398
|
219.177.944,579
|
|
|
Pompa XVII
|
7.400
|
7.989
|
2
|
15.977,398
|
219.177.944,579
|
|
|
Pompa XVIII
|
7.400
|
7.989
|
2
|
15.977,398
|
219.177.944,579
|
|
|
Pompa XIX
|
21.300
|
22.994
|
2
|
45.988,997
|
630.877.056,694
|
|
|
Pompa XX
|
22.500
|
24.290
|
2
|
48.579,926
|
666.419.426,085
|
|
|
Pompa XXI
|
2.000
|
2.159
|
2
|
4.318,216
|
59.237.282,319
|
|
|
Pompa XXII
|
6.100
|
6.585
|
2
|
13.170,558
|
180.673.711,072
|
|
|
Pompa XXIII
|
4.800
|
5.182
|
2
|
10.363,718
|
142.169.477,565
|
|
|
Cation Exchanger
|
15.400
|
16.625
|
2
|
33.250,261
|
456.127.073,854
|
|
|
Anion Exchanger
|
11.900
|
12.847
|
2
|
25.693,383
|
352.461.829,796
|
|
|
Cooling Tower
|
320.000
|
345.457
|
1
|
345.457,252
|
4.738.982.585,492
|
|
|
Deaerator
|
6.800
|
7.341
|
1
|
7.340,967
|
100.703.379,942
|
|
|
Boiler
|
196.900
|
212.564
|
2
|
425.128,331
|
5.831.910.444,271
|
|
|
Tangki Kausatik soda
|
16.000
|
17.273
|
1
|
17.272,863
|
236.949.129,275
|
|
|
Tangki Air Proses
|
117.800
|
127.171
|
1
|
127.171,451
|
1.744.537.964,284
|
|
|
Tangki Penampungan Oksigen
|
188.200
|
203.172
|
1
|
203.172,046
|
2.787.114.133,093
|
|
|
Tangki Air Umpan Boiler
|
48.100
|
51.927
|
1
|
51.926,543
|
712.328.319,882
|
|
|
Air Separator
|
29.100
|
31.415
|
1
|
31.415,019
|
430.951.228,868
|
|
|
Kompressor
|
53.400
|
57.648
|
1
|
57.648,179
|
853.730.363,032
|
|
|
Jumlah
|
87
|
2,306,777.847
|
31,707,291,146.85
|
|||
Total harga peralatan = Harga peralatan proses + Harga
peralatan utilitas
=Rp. 144,595,140,610.47 + Rp.31,707,291,146.85
= Rp.176,431,272,846.36
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