Visual Materials
Portal Powerhouse
- Description
- Portal Powerhouse - View of 8.5' diameter penstock pipe supports inside 12' diameter outlet pipe, Ward Tunnel.
- Date
- 8/18/1955
- Call number
- photCL SCE 02 - 43560
Visual Materials
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Portal Powerhouse - Channel pipe supports for 8.5' dia. pipe inside of 12' dia. pipe - Ward Tunnel.
photCL SCE 02 - 43561
Visual Materials
Portal Powerhouse - Applying Protex protective coating to first section of 8.5' diameter penstock pipe prior to pulling into 12' diameter pipe for second section make-up.
photCL SCE 02 - 43570
Visual Materials
Portal Powerhouse - Progress picture - First day of outage. Section of 12' diameter outlet pipe cut out and extending skid rails into tunnel for pulling penstock.
photCL SCE 02 - 44798
Visual Materials
Portal Powerhouse - Penstock pipe in cribbing near outlet of Ward Tunnel welded together into pulling sections for installation in tunnel after start of outage.
photCL SCE 02 - 44795
Visual Materials
Portal Powerhouse - First four sections of 8.5 diameter penstock, ready for install.
photCL SCE 02 - 43645
Visual Materials
Portal Powerhouse - Concreting pipe supports in Ward Tunnel. View of supports from upper end.
photCL SCE 02 - 43695