e-mosty September 2018 Vessels and Equipment Used for Bridge Construction | Page 77

The strands used to pull back the towers to achieve the
required geometry for cable erection spanned from each
tower top to the anchorage, and were erected by
unreeling on to the sea bed in the same way as the way
the catwalk ropes, and and tensioned by strand jacks.
Figure 26: Loading of temporary steel platforms and
precast segments onto barge “SEMA-1” with floating
crane “Taklift 7”
Figure 25: Tower setback
TEMPORARY WORKING PLATFORMS
Temporary working platforms and precast elements were
loaded onto transportation barges by floating cranes
“Taklift 7” and “Herkül”
These temporary elements were transported on barges
“INKA”, “SE A ”, “Rising Sun” and “Ay Yıldız” Tugboat
“GULF ” towed barges “INKA”, “SE A ” during
transportation.
Then temporary working platforms and precast elements
were then lifted into position by floating cranes “Taklift
7” and “Herkül”
Figure 28: Temporary steel platforms waiting for erection
on barges “SEMA-1”, “Rising Sun” and “Ay Yıldız”
3/2018
Figure 27: Tugboat “GULF 3” towing barge “SEMA-1”
Figure 29: Installation of temporary steel
platforms with floating crane “Taklift 7”