TUNNELS. A "Tunnel" shall be defined as a subterranean excavation, lined or unlined, which because of its length necessitates an employee or employees working underground for a distance of ten feet or more. On all work classified as "Tunnel" the tunnel classification and rates shall apply to the entire length of the tunnel, from portal to portal. A tunnel whose horizontal grade is over Thirty Percent (30%) and less than Sixty Percent (60%) shall be defined as a "Raise". A tunnel whose horizontal grade is greater than Sixty Percent (60%), and whose depth is more than twice its largest horizontal dimension, shall be defined as a "Shaft. ' The above definitions of work shall apply also to the work of timbering and lining of tunnels (raises and shafts) as described above.
Appears in 5 contracts
Samples: Master Labor Agreement, Master Labor Agreement, Master Labor Agreement
TUNNELS. A "Tunnel" shall be defined as a subterranean excavation, lined or unlined, which because of its length necessitates an employee or employees working underground for a distance of ten feet or more. On all work classified as "Tunnel" the tunnel classification and rates shall apply to the entire length of the tunnel, from portal to portal. A tunnel whose horizontal grade is over Thirty Percent (30%) and less than Sixty Percent (60%) shall be defined as a "Raise". A tunnel whose horizontal grade is greater than Sixty Percent (60%), and whose depth is more than twice its largest horizontal dimension, shall be defined as a "Shaft. ' The above definitions of work shall apply also to the work of timbering and lining of tunnels (raises and shafts) as described above.
Appears in 2 contracts
Samples: Master Labor Agreement, Master Labor Agreement