Skanska provided construction services to the Seattle Mariners for the following tasks associated with maintaining the operable roof system at Safeco Field:

• Procurement of 32 wheel/axle assemblies per design documents

• Procurement of eight new truck assemblies per design documents

• Refurbishment of eight existing truck assembles per design documents

• Installation of 208 jacking tabs per design documents

• Replacement of eight trucks and sixteen wheel/axle assemblies

• Storage of eight truck assemblies and sixteen wheel/axle assemblies.