This document is a detailed drawing of a ladder and platform for a caustic storage tank. It includes views and details of the ladder components (LC1-LC11), platform frames (PF1-PF17), and support gratings (SG1-SG26). The drawing provides dimensions, material specifications, hole locations and sizes. It was issued for construction by PT Kokoh Semesta for a project owned by PT Pertamina in Balikpapan, Indonesia.

1. 2
9
8
3
0
2
1
9
0
2
1
1
0
0
1
1
0
0
1
0
5
0
9
5
0
1
2
0
0
6
0
0
2
4
0
0
2
4
0
0
2
0
0
0
2
0
0
0
2
0
0
0
198
RIGHT VIEW
2
3
8
0
0
270
180
135
90
TOP VIEW
TOS EL +108200
TOS EL +106300
ISOMETRIC VIEW
TN
PM WIND
APR-SEPT
WIND
OCT-MAR
W E
S
DESCRIPTION
10 JUL 20
00A
Rev.
Issued for approval
DATE DRWN
Sugeng
APPV
CONTRACTOR
Ir.Esra
CHKD
Ranto
RDMP RU V BALIKPAPAN
RDMP RU BALIKPAPAN JO
PT PERTAMINA
BALIKPAPAN, INDONESIA
DES
Abdul
PROJECT
OWNER
TITLE
VENDOR
PERTAMINA DRAWING NO.
DETAIL DRAWING OF LADDER AND PLATFORM FOR
CAUSTIC STORAGE TANK
(D-160-01)
PT. KOKOH SEMESTA
MANUFACTURES-ENGINEERS-CONTRACTORS
NTS
SCALE
26071
JOB NO.
26071-V46A-D-160-01-00012
DOCUMENT NO.
REV.
SHT NO.
1
051
Ir.Esra
Sugeng
Abdul
Ranto
Issued for approval
28 AUG 20
00B
00C 09 OCT 20 Issued for approval Ranto Abdul Sugeng Ir.Esra
Issued for approval
03 NOV 20
00D Ranto Abdul Sugeng Ir.Esra
Ir.Esra
Sugeng
Abdul
Ranto
Issued for approval
000 20 JAN 20 Ranto Abdul Sugeng Ir.Esra
00E 15 DES 20
050 14 JUN 21 As Built Ranto Abdul Sugeng Ir.Esra
B4T-sc
ISO 9001-2015
NO.506/Q-95/12
Issued for construction
051 14 SEP 21 As Built Ranto Abdul Sugeng Ir.Esra

2. 3
0
2
2
1
9
8
7
3
0
0
@
3
0
0
x
2
3
=
6
9
0
0
1
5
2
A
C
LC1
400 9
9
B
LC2
160
40
DETAIL A
LC6
LC7
LC8
LC10&LC11
6
TYP
1
9
9
6
2
0
H
o
le
s
DETAIL B
LC9
5
TYP
Seal
Weld
D
LC3
LC4
LC5
LC4A
LC5C
4
4
TYP
7
5
75
DETAIL C
LC1 LC2
TYP
LC5A
LC5B
DETAIL D
LC4 LC5
4
4
TYP
248
228
3
5
2
0
2- 14 holes
7
5
DETAIL LC1
R450
2
4
7
4
1
3
1
7
7
8
4
0
65
784
378 456
DETAIL LC3
1778
5
0
1758
18 Holes
2
5
PLATE DETAIL FOR LC3
50
734
5
0
R350
4
1
8
6
6
94
94
DETAIL LC4
1954
5
0
PLATE DETAIL FOR LC4
2
0
9
6
R350
2
7
2
230
DETAIL LC4A
734
5
0
1283
5
0
PLATE DETAIL FOR LC4A
4
2
2
8
1
1
1
2
3
9
1
1
1
6
DETAIL LC5
4
2
3
0
DETAIL LC5A
2
2
3
0
DETAIL LC5C
4
0
1
1
1
2
3
9
1
1
1
6
DETAIL LC5B
75
2
0
0
34
10
5
0
1
0
0
DETAIL LC6 & LC7
LC7
100
40
18 Holes
5
0
1
0
0
2
0
0
FOR 5/8" UNC BOLT/NUT
8
TYP
1
0
0
185
25
2
5
3
8
30 155
DETAIL LC8
200
209
SECTION A-A
DESCRIPTION
10 JUL 20
00A
Rev.
Issued for approval
DATE DRWN
Sugeng
APPV
CONTRACTOR
Ir.Esra
CHKD
Ranto
RDMP RU V BALIKPAPAN
RDMP RU BALIKPAPAN JO
PT PERTAMINA
BALIKPAPAN, INDONESIA
DES
Abdul
PROJECT
OWNER
TITLE
VENDOR
PERTAMINA DRAWING NO.
DETAIL DRAWING OF LADDER AND PLATFORM FOR
CAUSTIC STORAGE TANK
(D-160-01)
PT. KOKOH SEMESTA
MANUFACTURES-ENGINEERS-CONTRACTORS
NTS
SCALE
26071
JOB NO.
26071-V46A-D-160-01-00012
DOCUMENT NO.
REV.
SHT NO.
2
051
Ir.Esra
Sugeng
Abdul
Ranto
Issued for approval
28 AUG 20
00B
00C 09 OCT 20 Issued for approval Ranto Abdul Sugeng Ir.Esra
Issued for approval
03 NOV 20
00D Ranto Abdul Sugeng Ir.Esra
Ir.Esra
Sugeng
Abdul
Ranto
Issued for approval
000 20 JAN 20 Issued for construction Ranto Abdul Sugeng Ir.Esra
00E 15 DES 20
050 14 JUN 21 As Built Ranto Abdul Sugeng Ir.Esra
B4T-sc
ISO 9001-2015
NO.506/Q-95/12
051 14 SEP 21 As Built Ranto Abdul Sugeng Ir.Esra

3. 1663
2
5
2
6
5
8
1
4
8
1
275 1030
1882
A
B C
B1
B1
SG19 SG17
SG20
VIEW A1-A1
2
3
8
0 1250
1350
A
A
B
B
C
C
F
F
A1
A1
TOS EL +108200
TOS EL +106300
8
3
0
5
6
1
1
4
1
9
1
3
1
9
1137
426
1250
1350
1475
E
E
D
F
D
D
G
K
L
SG18
VIEW B1-B1
2
9
0
0
3600
9
9
5
800 1450
1
2
5
5
6
5
0
5
0
0
R1858
1479
1140
PF1
PF2
PF3
PF4
PF5
PF17
PF7
PF8
PF10
PF9
PF6
2
8
8
0
3
2
9
1
0
6
1
6
5
0
9
7
5
1061 65
290
3580
R1898
R2198
1476
200
958
280
DETAIL SG24
TOS EL +106300
TOS EL +108200
R3398
R2248
1
6
2
8
1365
1200
8
0
5
805
PF11
PF12
PF13
PF14
PF15
PF16
1200
616
R
3
3
9
8
1
6
0
1
5
5
DETAIL SG25
3
5
8
H
H
DETAIL A
SG1
275 TO TANK CL
4
2
7
DETAIL B
SG2
SG22&SG23
1030 TO TANK CL
4
3
7
DETAIL C
SG3
1882 TO TANK CL
6
TYP
3
4
0
VIEW A-A
SG4
275 TO TANK CL
1
7
0
VIEW B-B
SG5
4
4
0
VIEW C-C
SG6
SG8
SG7
1300 TO TANK CL
2
0
4
3
E
VIEW E-E
SG12
3226 TO TANK CL
1
3
50
DETAIL D
SG10
SG9
SG12
6
TYP
40
4
0
3
0
DETAIL F
SG20
2- 12 Holes
FOR 3/8' UNC BOLT/NUT
120
1
0
0
2
5
10
100
VIEW D-DSG3
SG7
6
TYP
DETAIL G
SG14
SG10
SG11
6
TYP
1760
I
J
VIEW F-F
SG14
100
140
DETAIL I
SG13
SG14 PF14
SG22&SG23
3220 TO TANK CL
6
TYP
150
24
G
G
DETAIL J
SG15
PF14
SG22&SG23
DETAIL E
SG11
SG22&SG23
6
TYP
VIEW G-G
SG16
SG15
SG22&SG23
6
TYP
5
0
6
62
6
1
1
2
VIEW H-H
SG8
DETAIL K
SG17
5
TYP
65 35
DETAIL L
SG13
DESCRIPTION
10 JUL 20
00A
Rev.
Issued for approval
DATE DRWN
Sugeng
APPV
CONTRACTOR
Ir.Esra
CHKD
Ranto
RDMP RU V BALIKPAPAN
RDMP RU BALIKPAPAN JO
PT PERTAMINA
BALIKPAPAN, INDONESIA
DES
Abdul
PROJECT
OWNER
TITLE
VENDOR
PERTAMINA DRAWING NO.
DETAIL DRAWING OF LADDER AND PLATFORM FOR
CAUSTIC STORAGE TANK
(D-160-01)
PT. KOKOH SEMESTA
MANUFACTURES-ENGINEERS-CONTRACTORS
NTS
SCALE
26071
JOB NO.
26071-V46A-D-160-01-00012
DOCUMENT NO.
REV.
SHT NO.
3
051
Ir.Esra
Sugeng
Abdul
Ranto
Issued for approval
28 AUG 20
00B
00C 09 OCT 20 Issued for approval Ranto Abdul Sugeng Ir.Esra
Issued for approval
03 NOV 20
00D Ranto Abdul Sugeng Ir.Esra
Ir.Esra
Sugeng
Abdul
Ranto
Issued for approval
000 20 JAN 20 Issued for construction Ranto Abdul Sugeng Ir.Esra
00E 15 DES 20
050 Ranto Abdul Sugeng Ir.Esra
B4T-sc
ISO 9001-2015
NO.506/Q-95/12
14 JUN 21 As Built
051 14 SEP 21 As Built Ranto Abdul Sugeng Ir.Esra

4. 3600
1575 50 1774 65
4- 18 Holes
2
2
DETAIL PF1
125 50 1300 50 1200 50
2900
6- 18 Holes
2
2
DETAIL PF2
1479
125 50
2- 18 Holes
2
2
D
ETAIL PF3
3594
136 65
2- 18 Holes
2
8
DETAIL PF5
995
DETAIL PF6
983
44 895 44
DETAIL PF7
794
44 750
DETAIL PF10
1392
44 1304
DETAIL PF9
1899
1855
44
DETAIL PF8
100
46 8
2
0
0
13
1
7
5
DETAIL SG10
3
0
2
8
42 28
1
7
5
100
7
5
2- 18 Holes
DETAIL SG11
6
2
112
31
50
3
1
2- 18 Holes
DETAIL SG8
1
4
0
93
48
4
0
6
5
2- 18 Holes
DETAIL SG13
88
7
5
5
0
1
5
0
44
2- 18 Holes
DETAIL SG15
1
2
0
65
29 8
9
2
1
4
DETAIL SG16
OD 970
6
DETAIL SG17
100
O
D
2
9
2
6
DETAIL SG18
O
D
2
1
2
6
DETAIL SG19
100
100
2024
R
1
8
5
8
349 47
15
1
1
7
2- 18 Holes
DETAIL PF11 879
44
R
2
1
9
8
DETAIL PF13
44
879 44
R2
19
8
DETAIL PF12
2872
R
3
3
4
8
DETAIL PF4
1365
65 135
2
8
2- 18 Holes
FOR 5/8" UNC BOLT/NUT
1365
65 135
2
8
2- 18 Holes
65 85
1326 44
2- 18 Holes
50 50
5
0
1
0
0
2- 18 Holes
DETAIL PF15
50 50
5
0
1
0
0
2- 18 Holes
DETAIL PF14
1370
60 50
2- 18 Holes
DETAIL PF16
70
1
0
0
4
0
41
2- 12 Holes
3
0
DETAIL SG21
O
D
R
1
7
2
6
DETAIL SG20
100
895
44 44
983
65 201
2
2
2- 18 Holes
DETAIL PF17
9
3
140
35 65
4
8
2- 18 Holes
DETAIL SG26
FOR 5/8" UNC BOLT/NUT
DESCRIPTION
10 JUL 20
00A
Rev.
Issued for approval
DATE DRWN
Sugeng
APPV
CONTRACTOR
Ir.Esra
CHKD
Ranto
RDMP RU V BALIKPAPAN
RDMP RU BALIKPAPAN JO
PT PERTAMINA
BALIKPAPAN, INDONESIA
DES
Abdul
PROJECT
OWNER
TITLE
VENDOR
PERTAMINA DRAWING NO.
DETAIL DRAWING OF LADDER AND PLATFORM FOR
CAUSTIC STORAGE TANK
(D-160-01)
PT. KOKOH SEMESTA
MANUFACTURES-ENGINEERS-CONTRACTORS
NTS
SCALE
26071
JOB NO.
26071-V46A-D-160-01-00012
DOCUMENT NO.
REV.
SHT NO.
4
051
Ir.Esra
Sugeng
Abdul
Ranto
Issued for approval
28 AUG 20
00B
00C 09 OCT 20 Issued for approval Ranto Abdul Sugeng Ir.Esra
Issued for approval
03 NOV 20
00D Ranto Abdul Sugeng Ir.Esra
Ir.Esra
Sugeng
Abdul
Ranto
Issued for approval
000 20 JAN 20 Issued for construction Ranto Abdul Sugeng Ir.Esra
00E 15 DES 20
050 14 JUN 21 As Built Ranto Abdul Sugeng Ir.Esra
B4T-sc
ISO 9001-2015
NO.506/Q-95/12
051 14 SEP 21 As Built Ranto Abdul Sugeng Ir.Esra