Mammoet Moves Elevated Pedestrian Walkway


Expansion Project at Seattle-Tacoma

Cargo specialist Mammoet has completed the transport of an elevated pedestrian walkway as part of expansion work at Seattle-Tacoma International Airport.

The outsized movement involved transport of the 1,472-ton walkway using the accelerated bridge construction (ABC) method. The span was transported using 56 axle-lines of SPMT in a four-point configuration.

“Once in position under the piers, erection crews took over, using four 900-ton steel frames that utilized a strand jack system. This was the first time these frames from the Netherlands have been used in the United States to control the systems cables,” a spokesperson for Mammoet said.
 
Headquartered in Schiedam in the Netherlands, Mammoet provides a range of services from breakbulk transportation to heavy-lift logistics and crane rental.
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