Photo depicts two welders, welding the penstock liner elbow section to the 1600' level.
Notes
Alcan ID no. KR-1166. -- Electric pre-heaters used to bring steel up to required temperature prior to and throughout the welding operation. Alcan Collection
Photo depicts a miner beside the penstock liner which is being lowered from the 2600' level.
Notes
Alcan ID no. KR-1386. -- Note the bridle assembly. -- Liners were lowered on a dolly on a 140-ton hoist, then transferred to skid rails for the final journey. Alcan Collection
Photo depicts the unlined rock tunnel of horizontal penstock No. 2 at Elevation 210'. View is looking at platform at base of 48 degree inclined raise to 1685' Elevation.
Photo depicts the unlined rock tunnel of horizontal penstock No. 2 at Elevation 210'. View is looking at platform at base of 48 degree inclined raise to 1685' Elevation.
Notes
Alcan ID no. 2KR-10. -- Penstock No. 2 was completed after the smelter had started aluminum production in 1954 with Penstock No. 1. Alcan Collection
Photo depicts a worker watching as a 19-ton horizontal penstock liner is transported on an aerial tramway from Camp No. 5 to Camp No. 1600.
Notes
Alcan ID no. 2KR-81. -- This liner was the first and largest of the penstock liners. -- Penstock No. 2 was completed after the smelter had started aluminum production in 1954 with Penstock No. 1. Alcan Collection