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7/31/2019 Tanks Installation Manual
1/53
Process Engineering and Contracting Division
NARGAN
ASALUYE
C2+ RECOVERY ANDFRACTIONATION PLANT
PARS
PETROCHEMICAL
COMPANY
Linde Project No.: 21101055 NARGAN Proj-No.: N-178 Owner Project No.: 3910
Linde Job Code: Asaluye NARGAN Job Code: Owner Job Code: PPC-RFPLinde Doc. No.: BMM50005 Owner Doc. No.: 10-VD-A4-PV-014-084-L
Installation ManualTP-000-16
(Page 1-32)
and
attachment:Welding Sequence Bottom and Shell
(Page 1- 13)and
attachment:Assembly Procedure of Erection Openings
(Page 1- 3)
Tk-No. 10-TK-0661-PropaneTk-No. 10-TK-0662-Butane
Inner Tank Dia: 40 000 mmOuter Tank Dia: 42 200 mm
Linde P.O. No.: 2 DE 466
04 01.11.02 49 Stelck Tacke R. Schulte revised per comments
P 03 27.08.02 30 Stelck Tacke R. Schulte revised per comments
P 02 26.04.02 30 Stelck Tacke R. Schulte revised per commentsP 01 21.03.02 30 Stelck Tacke van Ommen
Status Issue Date Pages Prepared Checked Approved Remarks
Intellectual property rights reserved.
7/31/2019 Tanks Installation Manual
2/53
a d a p t GmbH
the project manager
for cryogenic and atmospheric tanks
ERECTION SEQUENCE
TANK 0661 / 0662
a d a p t GmbH Project
P - 01-1021
150
Outer tank
annular plate
Outer tank
bottom
Foundation Slab
Leveling course
X Ray 25%
min 150mm
Field painting - Coating before
in position.
Reference:
Anchor straps Drawing Inner Tank No: 19
Outer Tank No: 18
Bottom of outer tank No: 07
Welding : according to applicable WPS
Inspection: X-Ray ( 25%), visual and Vacuum-Box-Test
acc. to T.i.P. TP-000-06, Length of X-Ray-film : min 150mm ( 6 in)
Client: Linde Process Engineering and Contracting division
Project No.: 2110 1055 ASALUYE
Linde Doc.No.: BMM 50005
Owner Doc. No.: 10-VD-A4-PV-014-084L
Page 1 of 32
TP-000-16, Rev. 04
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a d a p t GmbH
the project manager
for cryogenic and atmospheric tanks
ERECTION SEQUENCE
TANK 0661 / 0662
a d a p t GmbH Project
P - 01-1021
about 100
Erection of outer tank
shell course 1
Erection of outer tank shell course 1
A) in about 100 mm lifted position
1. Welding vertical weld seams as per applicable WPS
2. X -Ray and visual Examination as per T.i.P. (TP-000-06)
B) positioning
3. Put down
4. Annular plate and shell plate tack weld
Client: Linde Process Engineering and Contracting division
Project No.: 2110 1055 ASALUYELinde Doc.No.: BMM 50005
Owner Doc. No.: 10-VD-A4-PV-014-084L
Page 2 of 32
TP-000-16, Rev. 04
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4/53
a d a p t GmbH
the project manager
for cryogenic and atmospheric tanks
ERECTION SEQUENCE
TANK 0661 / 0662
a d a p t GmbH Project
P - 01-1021
353
350
188
min. 300
891
1100
1388
min. 300 4.300
see drawing no. 21: Temporary Erection Opening in shell course 1
after welding of shell course 2
Step 1 = 4300 x height of course 1
Step 2 = 2700 x height of course 1 - 300+891 = 1100mm
after water hydrotest for outer tank
Erection of outer tank
shell course 2
Welding of outer tank shell course 2 vertical weld seamsand horizontal weld seam acc. to applicable WPS,
Inspection: Visual, 100% X-Ray vertical joints,
100% X-Ray of all intersections of joints, Spot X-Ray and
Magnetic-Particle Examination of horizontal joints as per T.i.P ( TP-000-06 )
Step 2Step 1
Step 2
Outer tank anchor
course 1
course 2
Client: Linde Process Engineering and Contracting division
Project No.: 2110 1055 ASALUYELinde Doc.No.: BMM 50005
Owner Doc. No.: 10-VD-A4-PV-014-084L
Page 3 of 32
TP-000-16, Rev. 04
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a d a p t GmbHthe project manager
for cryogenic and atmospheric tanks
ERECTION SEQUENCE
TANK 0661 / 0662
a d a p t GmbH Project
P - 01-1021
about 100
150
2m
1.) inner tank annular plate2.) inner tank shell
place Steel Blocks free of
bottom welds
Distance between the blocks = 2,0m
X Ray 25%
min 150mm
Welding acc. to applicable WPS
Inspection acc. to T.i.P ( TP-00-20 )
visual, X-Ray and Vacuum- Box
Welding of Shell Course 1 to annular plate
after erection of course 2 acc. to appl. WPS
Inspection acc. to T.i.P ( TP-000-06 )
visual, Vacuum Box Test
and Magnetic Penetrant Test.
3.) inner tank shell course 1 with annular plate tack weldDistance between the top of O.T
annular plate to the below of
I.T.annular plate = 450mmsee Drawing No.T-0661-01
max load (dead
weight) from inner
tank shell
2,50 tos / m
Tolerances of inner tank annular
plates: see Drawing No. T-0661-18
Tolerances of Foundation
Client: Linde Process Engineering and Contracting division
Project No.: 2110 1055 ASALUYE
Linde Doc.No.: BMM 50005
Owner Doc. No.: 10-VD-A4-PV-014-084L
Page 4 of 32
TP-000-16, Rev. 04
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6/53
a d a p t GmbH
the project manager
for cryogenic and atmospheric tanks
ERECTION SEQUENCE
TANK 0661 / 0662
a d a p t GmbH Project
P - 01-1021
4.300
max. about 45
45,00 m radius
Erection of outer tank course 3 thru 12
and compression bar,
and outer shell stiffeners
Erection-welder cages
2 x for Erection and welding
1 x for Inspections and Tests
Scaffolding for shell in annular space
Temporary Erection Opening of
inner tank shell, see drawing no. 22
Erection of inner tank shell course 3 thru 11
and top shell stiffener
Welding: All welding shall be carried out acc. to applicable
WPS
Inspection acc. T.i.P ( TP-00-20 )
Visual Inspection of all welds
Radiographic Examination.
Vacuum Box- Examination
Storm Guys required
above this level
( course 4 )
Storm guy 13,0mm dia
wire rope for wind blow
in. Position 15 anchor
points equally spaced at
55mtrs radius
100 x 5 Flat Tie Bar
Make provision for
temporary ties between
inner tank and outer
tank-to installed hen
high wind is forecast
Erection of-inner shell top stiffener
A) positioning on shell
1) Welding radial weld seams acc WPS
2) Welding horizontal weld seams acc toWPS
1)2)
Erecting of insert plates for Nozzle N03 at
inner and outer tank
Client: Linde Process Engineering and Contracting division
Project No.: 2110 1055 ASALUYELinde Doc.No.: BMM 50005
Owner Doc. No.: 10-VD-A4-PV-014-084L
Page 5 of 32
TP-000-16, Rev. 04
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a d a p t GmbH
the project manager
for cryogenic and atmospheric tanks
ERECTION SEQUENCE
TANK 0661 / 0662
a d a p t GmbH Project
P - 01-1021
Erection of outer tank shell course 3 thru 12
and compression bar,
and outer and inner tank shell stiffener
Erection of outer tank compression bar
A)1. Welding acc. to applicable WPS
2. X- Ray min 25% and visual examination
B)3.welding inner and outer fillet weld acc. to appl. WPS
4. Visual Examination
Client: Linde Process Engineering and Contracting division
Project No.: 2110 1055 ASALUYELinde Doc.No.: BMM 50005
Owner Doc. No.: 10-VD-A4-PV-014-084L
Page 6 of 32
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a d a p t GmbH
the project manager
for cryogenic and atmospheric tanks
ERECTION SEQUENCE
TANK 0661 / 0662
a d a p t GmbH Project
P - 01-1021
clear span 2.310 max =1.400 for the center column
crown ring ( suspended deck )
2.400
1200
17
330
5.686100
3.000
1.980
Erection Opening
suspended deck
26.200
1200
1200
45
safety net
Erecting platform
Erection of crown Ring,
see Drawing No. 33
Ladder
stay rope rope /6x13,0mm
central support support for
max 1/3 dead weight roof
round (60 tons)
Height to top of outer
shell see
Drawing No.: 01 / 08
Plate 20mm 300x300
collumns HEB 140
bracket U 300
diagonals L 80x80x8
filler plate rd.100mm
Client: Linde Process Engineering and Contracting division
Project No.: 2110 1055 ASALUYE
Linde Doc.No.: BMM 50005
Owner Doc. No.: 10-VD-A4-PV-014-084L
Page 7 of 32
TP-000-16, Rev. 04
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a d a p t GmbH
the project manager
for cryogenic and atmospheric tanks
ERECTION SEQUENCE
TANK 0661 / 0662
a d a p t GmbH Project
P - 01-1021
Weight 18 segment 1 segment
T-0661-23 5439 kg 302 kg
T-0661-24 5033 kg 280 kg
T-0661-25 6457 kg 359 kg
16929 kg 941 kg
50 365
6633
top of Roof
R = 1050 31.911
365 25
R = 19100 30
R = 2325 5.686
6.789
top of O.T.Shell top of O.T.Shell
26.200 8123 26.200
1.468 24.732
6
R =
18.050 1050
R = 19.100
Outer Tank
A
A
section A-A
1/18 segment-suspended- deck
acc.drawing no.:T-0661-23
Roof Rafters
RAFTER
RAFTER
RAFTER
RAFTER
Client: Linde Process Engineering and Contracting division
Project No.: 2110 1055 ASALUYE
Linde Doc.No.: BMM 50005
Owner Doc. No.: 10-VD-A4-PV-014-084L
Page 8 of 32
TP-000-16, Rev. 04
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10/53
a d a p t GmbH
the project manager
for cryogenic and atmospheric tanks
ERECTION SEQUENCE
TANK 0661 / 0662
a d a p t GmbH Project
P - 01-1021
270 90
180
0
A
A
SECTION A - A
1 / 18 segment of
suspended deckHangers only for erection
1 / 18 segment of
suspended deck
1 / 18 segment of
suspended deck
and 3 x raffters
Client: Linde Process Engineering and Contracting divisionProject No.: 2110 1055 ASALUYE
Linde Doc.No.: BMM 50005
Owner Doc. No.: 10-VD-A4-PV-014-084L
Page 9 of 32
TP-000-16, Rev. 04
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a d a p t GmbH
the project manager
for cryogenic and atmospheric tanks
ERECTION SEQUENCE
TANK 0661 / 0662
a d a p t GmbH Project
P - 01-1021
17
271
8123 R = 10.978
2444 271
50 299 2026
6633 365
2444
top of Roof 271
R = 1050 31.911
25
365
2444
R = 2325 5.686
R = 8.033 6.789
R =
21006 2.000
top of O.T.Shell IPE 300=229
26.200 IPE 360=281 top of O.T.Shell
65 IPE 500=404 26.200
52 1.533
123 1.468 24.732
6
18.050
R = 6.000
R = 19.100 1050
Outer Tank
A
A section A-A
1/18 segment-suspended- deck
acc.drawing no.:T-0661-23
with 3 rafters IPE 300 or
IPE 360 or IPE 500 incuded interm.
stiffeners Roof Rafters
RAFTER
RAFTER
RAFTER
RAFTER
Client: Linde Process Engineering and Contracting division
Project No.: 2110 1055 ASALUYE
Linde Doc.No.: BMM 50005
Owner Doc. No.: 10-VD-A4-PV-014-084L
Page 10 of 32
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a d a p t GmbH
the project manager
for cryogenic and atmospheric tanks
ERECTION SEQUENCE
TANK 0661 / 0662
a d a p t GmbH Project
P - 01-1021
Errection of outer tank roof rafters with
segment of suspended deck stay rope
6
7
8
Hangers for suspended
deck, see Drawing no. 23,
24, 25
Erecting platform for
segment of suspended
deck and roof rafters inground position
suspended deck
2
1
3
5
4
3 rafters with (3) =
1/18 suspended deck
3 rafters with (3) =
1/18 suspended deck
3 rafters with (3) =
1/18 suspended deck
3 rafters with (3) =
1/18 suspended deck
Client: Linde Process Engineering and Contracting divisionProject No.: 2110 1055 ASALUYELinde Doc.No.: BMM 50005Owner Doc. No.: 10-VD-A4-PV-014-084L
Page 11 of 32
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a d a p t GmbH
the project manager
for cryogenic and atmospheric tanks
ERECTION SEQUENCE
TANK 0661 / 0662
a d a p t GmbH Project
P - 01-1021
Erection of hangers for suspended deck and
erecting platform for suspended deck
Welding acc. to applicable WPS
Visual inspection acc to T.i.P. ( TP-000-06 )
3 Rafters = 1 / 18
Client: Linde Process Engineering and Contracting divisionProject No.: 2110 1055 ASALUYELinde Doc.No.: BMM 50005Owner Doc. No.: 10-VD-A4-PV-014-084L
Page 12 of 32
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a d a p t GmbH
the project manager
for cryogenic and atmospheric tanks
ERECTION SEQUENCE
TANK 0661 / 0662
a d a p t GmbH Project
P - 01-1021
1.)Erection of tank roof plates, see Drawing
No. 10
2.) Continue welding acc. to appl. WPS
3.) Visual Inspection according to
T.i.P ( TP-000-06 )
safety net
WALKING ON THE SUSPENDED DECK
general max loads at roof plates a = 100,0 kg/m2
scaffold board - wood
scaffold board -wood
max load with Scaffold board (
wood ) a two person or max100 kg/m2
max load without Scaffold board (
plywood) a one person
Client: Linde Process Engineering and Contracting divisionProject No.: 2110 1055 ASALUYELinde Doc.No.: BMM 50005Owner Doc. No.: 10-VD-A4-PV-014-084L
Page 13 of 32
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a d a p t GmbH
the project manager
for cryogenic and atmospheric tanks
ERECTION SEQUENCE
TANK 0661 / 0662
a d a p t GmbH Project
P - 01-1021
15mm
813 x 12,7Temporary Erection Openig welding,
100% X Ray acc. to T.i.P ( TP-000- 06
)
and visual Inspection; Vacuum / MP
Erecting of inner shell ladder
erecting of horizontal and
vertical stiffeners
erecting of pads for piping +anchor
pads +water spray +steel structure
++++
Welding acc. to appl. WPS
Inspection acc. T.i.P ( TP-000-06 )
Visual; Magnetic Penetrant Examination
Opening for Pump Suction
Nozzle N03 on shell, see
drawing no. 43
use Nozzle N03 for water
test and draining
Note to Field:
Use Leftover from
Field Cutting Sketch
drawing no.-30
Client: Linde Process Engineering and Contracting divisionProject No.: 2110 1055 ASALUYE
Linde Doc.No.: BMM 50005
Owner Doc. No.: 10-VD-A4-PV-014-084L
Page 14 of 32
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a d a p t GmbH
the project manager
for cryogenic and atmospheric tanks
ERECTION SEQUENCE
TANK 0661 / 0662
a d a p t GmbH Project
P - 01-1021
For Outer Tank Hydrostatic Testand Filling Height, refer to
Procedure No............
welding of outer anchors as perWPS at partial water filling,see Drawing No. 18.Inspection acc. to T.i.P: visual and
Magnetic-Penetrant Examination.
after Hydrostatic Test perform
vacuum box test of bottom welds
Client: Linde Process Engineering and Contracting divisionProject No.: 2110 1055 ASALUYE
Linde Doc.No.: BMM 50005Owner Doc. No.: 10-VD-A4-PV-014-084L
Page 15 of 32
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a d a p t GmbH
the project manager
for cryogenic and atmospheric tanks
ERECTION SEQUENCE
TANK 0661 / 0662
a d a p t GmbH Project
P - 01-1021
Height between inner
and outer bottom see
Drawing No. 0661(2)-01
hydraulic press min = 25 to nns pressure
wood cotter to install
Concrete layer 100 mm to install
length of one shell plate
to install of hard wood blocks
Client: Linde Process Engineering and Contracting division
Project No.: 2110 1055 ASALUYE
Linde Doc.No.: BMM 50005
Owner Doc. No.: 10-VD-A4-PV-014-084L
Page 17 of 32
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a d a p t GmbHthe project managerfor cryogenic and atmospheric tanks
ERECTION SEQUENCE
TANK 0661 / 0662
a d a p t GmbH Project
P - 01-1021
60
wood cotter
40 40 x 60 x 480
30
505 Stck pro Tank
480
60
wood cotter
60 70 x 60 x 500
70
505 Stck pro Tank
500
wood cotter wood cotter
Hight of inner tank
bottom see drawing:
T 0661-1 / T 0662-1
crack / round 10 - 30 mm
hydraulik press min = 25 tonns pressure
wood cotter to install
lenght of one shell plate
to install of hard wood blocks
Client: Linde Process Engineering and Contracting division
Project No.: 2110 1055 ASALUYE
Linde Doc.No.: BMM 50005
Owner Doc. No.: 10-VD-A4-PV-014-084L
Page 18 of 32
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20/53
a d a p t GmbH
the project manager
for cryogenic and atmospheric tanks
ERECTION SEQUENCE
TANK 0661 / 0662
a d a p t GmbH Project
P - 01-1021
place base layer of concrete
leveling layer
Erecting of roof nozzles and
manhole
Client: Linde Process Engineering and Contracting divisionProject No.: 2110 1055 ASALUYELinde Doc.No.: BMM 50005Owner Doc. No.: 10-VD-A4-PV-014-084L
Page 19 of 32
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a d a p t GmbH
the project manager
for cryogenic and atmospheric tanks
ERECTION SEQUENCE
TANK 0661 / 0662
a d a p t GmbH Project
P - 01-1021
1.) Erection of inner tank bottom1a) welding acc. to applicable WPS
1b) Inspection acc. T.i.P: visual and Vacuum-Box-Test
2.) Erect inner tank internal
piping and ladder
2a) Welding acc to appl. WPS
2b) Inspection acc to T.i.P
Visual and Magnetic Particle Test
Solution Test of Reinfocement plates
Nozzles
Client: Linde Process Engineering and Contracting divisionProject No.: 2110 1055 ASALUYELinde Doc.No.: BMM 50005Owner Doc. No.: 10-VD-A4-PV-014-084L
Page 21 of 32
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a d a p t GmbH
the project manager
for cryogenic and atmospheric tanks
ERECTION SEQUENCE
TANK 0661 / 0662
a d a p t GmbH Project
P - 01-1021
Erection of steel structure on roof
and outer shell stairway
Closing of access opening at inner tank shell.
Welding according to applicable WPS
Inspection: Visual and 100% X-Ray acc. to T.i.P ( TP-000-06 )
Weather Protection
Erect of Suction Nozzle NO3
Welding according to applicable WPS
Inspection: Visual 100% X-Ray acc. to T.i.P ( TP-000-06 )
and Vacuum
Client: Linde Process Engineering and Contracting divisionProject No.: 2110 1055 ASALUYELinde Doc.No.: BMM 50005Owner Doc. No.: 10-VD-A4-PV-014-084L
Page 22 of 32
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25/53
a d a p t GmbH
the project manager
for cryogenic and atmospheric tanks
ERECTION SEQUENCE
TANK 0661 / 0662
a d a p t GmbH Project
P - 01-1021
Hydro-water-test
without Over pressure
Welding of inner tank anchors
to be done during partial water filling of
inner tank (see Drawing No. 19), but
before applying any air pressure.
Hight Level of water filling see
HPT- TP-000-08
acces openig
Client: Linde Process Engineering and Contracting divisionProject No.: 2110 1055 ASALUYELinde Doc.No.: BMM 50005Owner Doc. No.: 10-VD-A4-PV-014-084L
Page 24 of 32
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a d a p t GmbH
the project manager
for cryogenic and atmospheric tanks
ERECTION SEQUENCE
TANK 0661 / 0662
a d a p t GmbH Project
P - 01-1021
PU - Insulation at inside of
outer tank shell
after PU - Insulation
erretion of piping in shell
annular space on wood
erecting oppening.
one roof plate
After PU - Insulation
close the erretion
opening
welding acc.
TIP -TP-000-06 WPS
100% X Ray and
visual,vacuum
Foam maschins and Foam
components on the floor.Alternativ on top of platform
Client: Linde Process Engineering and Contracting division
Project No.: 2110 1055 ASALUYE
Linde Doc.No.: BMM 50005
Owner Doc. No.: 10-VD-A4-PV-014-084L
Page 28 of 32
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a d a p t GmbH
the project manager
for cryogenic and atmospheric tanks
ERECTION SEQUENCE
TANK 0661 / 0662
a d a p t GmbH Project
P - 01-1021
Roof plate oppening
0
PU - Insulation at inside of
outer tank shell in part of
errection opening
Client: Linde Process Engineering and Contracting divisionProject No.: 2110 1055 ASALUYELinde Doc.No.: BMM 50005Owner Doc. No.: 10-VD-A4-PV-014-084L
Page 29 of 32
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a d a p t GmbH
the project manager
for cryogenic and atmospheric tanks
ERECTION SEQUENCE
TANK 0661 / 0662
a d a p t GmbH Project
P - 01-1021
0
close suspended deckannular space
Client: Linde Process Engineering and Contracting divisionProject No.: 2110 1055 ASALUYELinde Doc.No.: BMM 50005Owner Doc. No.: 10-VD-A4-PV-014-084L
Page 30 of 32
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a d a p t GmbH
the project manager
for cryogenic and atmospheric tanks
ERECTION SEQUENCE
TANK 0661 / 0662
a d a p t GmbH Project
P - 01-1021
0
Insulation of suspended
deck
Client: Linde Process Engineering and Contracting divisionProject No.: 2110 1055 ASALUYELinde Doc.No.: BMM 50005Owner Doc. No.: 10-VD-A4-PV-014-084L
Page 31 of 32
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a d a p t GmbH
the project manager
for cryogenic and atmospheric tanks
ERECTION SEQUENCE
TANK 0661 / 0662
a d a p t GmbH Project
P - 01-1021
5000 5000
2026 9820 9156
150
150
27090
180
0
A
A
SECTION A - A
1 / 18 segment of
suspended deckHangers only for erection
1 / 18 segment of
suspended deck
1 / 18 segment of
suspended deck
and 3 x raffters
centroid
centroid
Client: Linde Process Engineering and Contracting divisionProject No.: 2110 1055 ASALUYE
Linde Doc.No.: BMM 50005
Owner Doc. No.: 10-VD-A4-PV-014-084L
Page 1 of 4
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a d a p t GmbH
the project manager
for cryogenic and atmospheric tanks
ERECTION SEQUENCE
TANK 0661 / 0662
a d a p t GmbH Project
P - 01-1021
17
271
8123 R = 10.978
2444 271
50 299 2026
6633 365
2444
top of Roof 271
R = 1050 31.911
25
365
2444
R = 2325 5.686
R = 12.085 6.789
R =
21006 2.000
top of O.T.Shell IPE 300=229
26.200 IPE 360=281 R = 11.850 top of O.T.Shell
65 IPE 500=404 26.200
52 1.533
123 1.468 24.732
6
18.050
R = 6.000
R = 19.100 1050
Outer Tank
A
A section A-A
1/18 segment-suspended- deck
acc.drawing no.:T-0661-23
with 3 rafters IPE 300 or
IPE 360 or IPE 500 incuded interm.
stiffeners Roof Rafters
RAFTER
RAFTER
RAFTER
RAFTER
centroid susp.
centroid raffters
centroid (3xraffters+1/18suspended deck)
150
Client: Linde Process Engineering and Contracting division
Project No.: 2110 1055 ASALUYE
Linde Doc.No.: BMM 50005
Owner Doc. No.: 10-VD-A4-PV-014-084L
Page 2 of 4
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Process Engineering andContracting Division
NARGANCOMPANY
ASALUYE
C2+ RECOVERY ANDFRACTIONATION PLANT
PARS
Petrochemical
Company
Linde Project No.: 2110 1055 NARGAN Project No.: N-178 Owner Project No.: 3910Linde Job Code: Asaluye NARGAN Job Code: Owner Job Code.: PPC-RFP
Linde Doc. No.: Owner Doc. No.:
Page 1 of 13
Installation ManualTP-000-16
attachment:Welding Sequence Bottom and Shell
(Page 1 13)
10-TK-0661and
10-TK-0662
P.O. No. 2DE466
01 01.11.02 13 Tacke D. Hensel Stelck
Status Issue Date Description Pages Prepared Checked Approved
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ASALUYE C2+ RECOVERY AND FRACTIONATION PLANT
attachment:Welding Sequence Bottom and Shell
a d a p t Doc. No. :Issue 1
Process Engineering andContracting Division
a d a p t Ref.:P 01-1021,
Rev. 2 attachment to TP-000-16 Page 5 of 13
PARSPetrochemical
Company
6.0 Inner BottomFor layout see drawing no. T-0661-/2-13.The bottom plates will be single-Vee-groove welded on back up bars.
The sequence of welding is as follow (attachment 5):a) Start up with welding all back up bars before placing the inner bottom plates.b) Start welding the transverse joint in the centre and thereafter the next weld joint in
the same row on both sides (A1 A2 A3).c) The next row will be welded in the same sequence till all transverse joints are
completely welded, row by row from centre to outside (B1 B2 up to H1 H2H3 H4).
d) The longitudinal weld joints shall be welded from the centre outwards on both sidesof the centre row (attachment 6). Leave the fourth longitudinal weld joint either sideof the centre to act as a closing seam. Do not tack these seams.
e) At least weld closing seams of the bottom from centre to outside (attachment 8)
f) The connection between the annular plates and the bottom plates shall not betacked, only wedged, will be welded after the bottom is completely welded.
Start with welding the seam bottom to annular plate on at least four places. If it isnecessary and possible, back step welding shall be used (attachment 7).
7.0 RemarksThe welding supervisor shall observe the welding and may change the sequence ofwelding, if necessary.
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ASALUYE C2+ RECOVERY AND FRACTIONATION PLANT
attachment:Assembly Procedure of Erection Openings
a d a p t Doc. No. :Issue 1
Process Engineering andContracting Division
a d a p t Ref.:P 01-1021,
Rev. 2 attachment to TP-000-16 Page 3 of 3
PARSPetrochemical
Company
7.1.10 Carry out the back welding of the lower horizontal weld joint after grinding.
7.2 Round Erection Opening
7.2.1 The weld joint preparation of the erection opening shall be the same as for the verticalweld joint of course 1.
7.2.2 Fit up the plate with equal gap all around and tack the plate.
7.2.3 Start with welding from the top to the bottom (3G down) at both sides.
7.2.4. Thereafter weld 3 or 4 passes vertical up (both sides), position 3G up.
7.2.5 Back welding shall be carried out after grinding from inside.
7.2.6 Finish welding from outside.
7.3 All welding shall be carried out by string beads.
7.4 The inter-pass temperature shall not exceed 150C (302 F).
8.0 Non-Destructive-Testing
8.1 The root pass shall be examined by LP-Test or MP-Test after grinding of the back sideand before back welding.
8.2 After finish welding, the following examinations shall be carried out:
8.2.1 After Hydrostatic Test, but before Pneumatic Test: - 100 % Visual Examination- 100 % Radiographic Examination
8.2.2 After Hydrostatic and Pneumatic Test: - 100 % Visual Examination- 100 % Vacuum Examination- 100 % Magnetic Particle Examination
- 100 % Radiographic Examination
8.3 All NDE-Tests shall be reported and signed.