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• 2851. [Image] Closed Drain Construction in Tule Lake Sump 3 - Specs. No. 200C-821

  	CN-12-200-64A Klamath Project - Oregon-California. Looking west at equipment developed and used by Contractor to excavate and install plastic drainage tubing in one operation. Note that the trencher tows ...
  	Citation × Citation Citation Abstract Copy Title: Closed Drain Construction in Tule Lake Sump 3 - Specs. No. 200C-821 Author: United States. Bureau of Reclamation, Bryant, J.K. Year: 1971, 2010, 2007 CN-12-200-64A Klamath Project - Oregon-California. Looking west at equipment developed and used by Contractor to excavate and install plastic drainage tubing in one operation. Note that the trencher tows a hopper which contains and places the cinder envelope around the drainage tubing. Metal shields support the vertical walls of the open trench between the trencher and the hopper. The guide on the bottom of the hopper positions the drainage tubing as it is pulled into the trench. Contractor Don Johnson is shown operating the trenching machine; February 18, 1971; Bureau of Recl. photo by J.K. Bryant Title: Closed Drain Construction in Tule Lake Sump 3 - Specs. No. 200C-821 Author: United States. Bureau of Reclamation, Bryant, J.K. Year: 1971, 2010, 2007 CN-12-200-64A Klamath Project - Oregon-California. Looking west at equipment developed and used by Contractor to excavate and install plastic drainage tubing in one operation. Note that the trencher tows a hopper which contains and places the cinder envelope around the drainage tubing. Metal shields support the vertical walls of the open trench between the trencher and the hopper. The guide on the bottom of the hopper positions the drainage tubing as it is pulled into the trench. Contractor Don Johnson is shown operating the trenching machine; February 18, 1971; Bureau of Recl. photo by J.K. Bryant Close

• 2852. [Image] Kl. Str. Dr. Enlargement, Phase II Specs. 200C-954- RHC Constr., Inc., Contractor

  	P12-201-4449 NA Klamath Project, OR-CA. Concrete repairs at Plant FF 2nd left front wall. Had excessive amount of rock pockets due to apparent faulty air powered vibrators. Cold joint due to E-Con Placer ...
  	Citation × Citation Citation Abstract Copy Title: Kl. Str. Dr. Enlargement, Phase II Specs. 200C-954- RHC Constr., Inc., Contractor Author: United States. Bureau of Reclamation, Kline, D.J. Year: 1977, 2009, 2007 P12-201-4449 NA Klamath Project, OR-CA. Concrete repairs at Plant FF 2nd left front wall. Had excessive amount of rock pockets due to apparent faulty air powered vibrators. Cold joint due to E-Con Placer breakdown is the light colored portion midway up door blockout. Contractor is placed ± 5" lift of grout over cold joint, then continued with regular 1½" aggregate concrete. The joint came out better than had been expected; August 24, 1977; USBR photo by D.J. Kline Title: Kl. Str. Dr. Enlargement, Phase II Specs. 200C-954- RHC Constr., Inc., Contractor Author: United States. Bureau of Reclamation, Kline, D.J. Year: 1977, 2009, 2007 P12-201-4449 NA Klamath Project, OR-CA. Concrete repairs at Plant FF 2nd left front wall. Had excessive amount of rock pockets due to apparent faulty air powered vibrators. Cold joint due to E-Con Placer breakdown is the light colored portion midway up door blockout. Contractor is placed ± 5" lift of grout over cold joint, then continued with regular 1½" aggregate concrete. The joint came out better than had been expected; August 24, 1977; USBR photo by D.J. Kline Close