Visual Materials

Big Creek: Powerhouse No. 2 and 2a (part 3)

Description: Photographs of Powerhouse 2 and 2A, Part Three. Construction at Powerhouse 2A, images depicting the fabrication of seamless steel pressure pipe [penstock] sections, forging hollow steel blocks into pipe, machining seamless steel pipe sections to proper thickness, pressure testing pipe sections, assembly of penstock sections and valves at Powerhouse 2A.
Type: Visual Materials(Opens in new tab)
Date: 1920 - 1925
Call number: photCL SCE
Creator: Southern California Edison Company(Opens in new tab)
Provenance: Gift of Edison International, December 2005.
Find out more: View in the Library catalog(Opens in new tab)

You might also be interested in

Big Creek - Powerhouse #2 & 2a (part 3)
Visual Materials
Big Creek - Powerhouse #2 & 2a (part 3) [Construction at Powerhouse 2A, manufacturing photos showing the fabrication of seamless steel pressure pipe [penstock] sections, forging hollow steel blocks into pipe, machining seamless steel pipe sections to proper thickness, pressure testing pipe sections, assembly of penstock sections and valves at PH 2A.]
photCL SCE 13 - vol 031
Big Creek 2A - pipe fabrication
Visual Materials
Big Creek 2A - pipe fabrication (3589-A) at Midvale Steel Co. in Pennsylvania. [machining high-tensile steel penstock to design thickness]
photCL SCE 02 - 22945
Big Creek 2A Pipe fabrication (3497-A)
Visual Materials
Big Creek 2A Pipe fabrication (3497-A). Rough forging of section of pipe for 2A penstock ready for machining.
photCL SCE 02 - 22941
Big Creek 2A - pipe fabrication
Visual Materials
Big Creek 2A - pipe fabrication (3651-A). Completed section of forged steel pipe with bolted flanged joints for Powerhouse 2A penstock. Largest sections were 66" inside diameter with 3" wall thickness, and 23 feet in length, weighing 27 tons. Picture taken in plant at Midvale Company.
photCL SCE 02 - 22943
Powerhouse 2 & 2A
Visual Materials
Powerhouse 2 & 2A - Pressure Main anchor and banded steel penstock pipe.
photCL SCE 02 - 15642
Powerhouse 2 & 2A
Visual Materials
Powerhouse 2 & 2A - Pressure Main anchor and plain steel penstock pipe.
photCL SCE 02 - 15643