. The ventilation of tunnels . horn tunnel on theITorfolk and Western Railroad. St. The St. Gothard tunnel is miles long and26 feet wide. This tunnel was provided with a Saccardo s:/stemof ventilation by II. Saccardo, in 1399. The plant was installedat the north end of the tunnel and delivers the current of airin the same direction as the natural currents flow. This plant,which consists of two blowers, is capable of producing a currentof air through the tunnel with a velocity of 552 feet per min-ute. This is found to be satisfactory. The Giovi tunnel was ventilated by M
. The ventilation of tunnels . horn tunnel on theITorfolk and Western Railroad. St. The St. Gothard tunnel is miles long and26 feet wide. This tunnel was provided with a Saccardo s:/stemof ventilation by II. Saccardo, in 1399. The plant was installedat the north end of the tunnel and delivers the current of airin the same direction as the natural currents flow. This plant,which consists of two blowers, is capable of producing a currentof air through the tunnel with a velocity of 552 feet per min-ute. This is found to be satisfactory. The Giovi tunnel was ventilated by M. Saccardo in1902 and has given good satisfaction. Big The Big Bend tunnel is near Hinton, \7est is a straight single track tunnel 6500 feet long, 15 feet 3inches wide and 17 feet 9 inches high and is lined with, brickthroughout. From the west end of the tunnel there is an ascend-ing grade of ^ for two-thirds of the distance, the remaninderof the distance to the east end having a descending grade ^..
Size: 2572px × 971px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookidventila, booksubjecttheses
