Derrick Cranes

DERRICK CRANE MDC 6000-21

Crane capacity: 600 tons
The big advantage of the incremental launching is the possibility to have preassembly of full section of the viaduct at the ground level.
The possibility to have a well-organized ground assembly allow a reduction in time, compared with an alternative method of about 6 months.

Crane components:
• Boom 29 m length
• 2 hydraulic winches 16 tons pull capacity and 2200 m rope length for main lifting
• 52 pulley for sheave block for lifting
• 2 hydraulic winches 16 tons pull capacity and 580 m rope length for luffing

• 52 pulley for sheave block for luffing
• 1 hydraulic winches 16 tons capacity and 580 m rope length for jib

• 3 pulley for sheave block for jib
• Spherical rolling thrust bearings type SKF 293 or equivalent for crane rotation
• Slewing drive type Brevini RPR8000C m=22 – z=12 or equivalent for crane rotation
(hydraulic motor h2V-226 + breack860).

DERRICK CRANE MGD2000-25:

Crane capacity: 200 tons at 25 m.

Crane components:
• Boom 30/36 m length
• 1 hydraulic winches 16 tons pull capacity and 1650 m rope length for the main lifting

• 8 pulley for sheave block + 9 pulley with rolling bearings for lifting
• 1 hydraulic winches 16 tons pull capacity and 580 m rope length for luffing

• 25 pulley with rolling bearings for luffing.