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ISDEMIR ISKENDERUN IRON&STEEL
FACT. INC. AI SEPERATION PLANT |
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Specifik Operation: |
Cold Box Assembly |
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Contractor: |
Air
Liquide AGS GmbH |
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Sub
Contractor: |
Ekon
Endüstri İnşaat ve Tic. A.Ş. |
| Date: |
March
2005 |
CKV
has supplied all the necessary mobile and truck mounted cranes
for Ekon&Air liquide during the whole project.
For the specific
operation; Cold Box assembly that required more carefull and
close study and handling. CKV has also gave all engineering
services before and at site, prepared the ringing plans and
supplied the necessary cranes.
The carnes
that took place in this operation were; Liebherr LTM 1800 as the
lifting crane and LTM 1220 as the tailing one.
The
assembly of cold box comprised following items; 4 pieces of main
process columns, 1 unit of head exchanger and the outer covers
of the tower (4 pieces) with a cap above.
The
assembly of all pieces required high level accuracy and sensivity. However, the
most critical pieces were; one of the process columns (44 m./54 tons) that had
to be placed as the second stage (30m. above ground), heat exchanger to be
placed between generator building and process column (6 x 6 m.,16m. / 80 tons ),
top pieces of the column cover in two pieces (8m. dia., 30m. /45 tons).
Before
the start of the job, the site was examined and necessary
ringing plans were prepared. These plans were then forwarded to
both companies and were approved following an evalation meeting.


Due to the
selection of correct machines and equipment, the exprience of
the site team and the generation of the operation under
dicipline led to the placement of the complete pieces to their
places within 7 days (considering the weather conditions).

Thus, all the
operations have been completed without any failure and accident.
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