East Side Highway Pier Two Modification

Repairing highway bridge pier No. 2. Caisson of interlocking steel piling. Wales are 36-inch I-beams.

1936-02-06
2024-10-31

Coulee Dam irrigation pumping plant and discharge pipes--pump plant construction

Looking north over pump plant construction

1940-06-21

page V-43

features are irregular and in the most need of reclamation. Pond two is fairly flat with less than 7 feet difference in elevation. Surface features of pond three are unknown. During the flotation process, a small amount of cyanide (NaCN) was...

Powerhouse construction--transformer deck

Transformer deck at East Powerhouse

1941-12-29

page V-35

Subsection 2.E.6 [2D4] Nuclear plant siting regulations in the United States are undergoing considerable adjustment. There are both Federal and State nuclear site regulations in Oregon and Washington. Both states have "one stop"...

Powerhouse construction--concrete placement in powerhouse

Men working inside powerhouse

1939-01-20

page V-27

Subsection 2.D.1. This subsection is to consider alternatives to hydro for meeting peak load. The examples and text of the Comment refer to "exotic" sources of energy, whereas dependable sources of peaking power are more limited. Dependable...

page V-18

Subsection 2B.1 [2.A.1] Power demand data such as required by Subsection 2.B.1 [2.A.1] are now contained in the Pacific Northwest Utilities' Conference Committee's (PNUCC) "West Group Forecast of Power Loads and Resources" and in the "Long-Range...

Spillway and drum gate construction--upstream view of Grand Coulee [01]

Upstream view of the dam

1941-05-09

page V-10

and their contents, and the classificatlon, labeling, and marking of all radioactive material packages, except for those types of radioactive material and areas of technical competence specified in Paragraph D. B. AEC will develop safety...

Spillway and drum gate construction--view of the spillway section [04]

View of the spillway section from the left bank

1941-02-05

Spillway and drum gate construction--east end of spillway

East end of spillway

1940-11-30

Spillway and drum gate construction--drum gate installation

Steel and Form work for drum gate installation. Steel is for spillway crest, bridge piers, and drum gate chamber

1940-06-21

Construction of pipelines, syphons and tunnels--South Coulee Dam, Main Canal Headworks...

South Coulee Dam--Main Canal Headworks--View taken from bank above west outlet transition wall looking east and upstream at the downstream end of a section of the barrels.

1948-07-15

Public input

IV PUBLIC INPUT Part IV documents the public input that went into the Inventory of Problems and Areas of Concern. A preliminary list of problems was made up by the Corps of Engineers and taken as guidance to the initial public meetings....

Installation of turbines and generators--rotor being installed [02]

Lowering the L-7 rotor into place

1942-02-02

Excavation Behind Eastside Cofferdam

Excavating behind East cofferdam (elev. 965) Extreme left - upstream cross-river cofferdam under construction. Across river is part of cells in West cofferdam, section "D.

1936-12-01
2024-10-31

Installation of turbines and generators--lowring a shaft into place [02]

Lower face is shaft to water wheel--upper face is 74 ton shaft connecting to rotor shaft. Shaft above is being lowered into place. The two faces are being carefully cleaned and inspected to insure perfect union. There does not dare be any metal...

1941-06-04

Scale models, testing, and oddities--offset between parts

Main unit stop-log guide showing offsets between parts 1 and 2 of drawing 222-D-2204 at elevation 1025.8

1939-03-31

Scale models, testing, and oddities--drill core sample

Drill core sample against white background

2024-10-31

Scale models, testing, and oddities--concrete specimens submerged

View of concrete specimens being tested for resistance to sulfate waters in ponds at elevation 1930 southwest of the 230-Kv switchyard at Coulee Dam. View shows cylinders, bars, and posts from test batches 48-72 setting in original alkali pond...

1949-11-18

Scale models, testing, and oddities--topographic model [03]

Man works on three dimensional model

1938-11-03

Cross-River Cofferdam

Placing timber cribs in east end of upstream cross-river cofferdam. Abutment of west end of coffer is steel cell in west cofferdam shown to the left.

1936-09-09
2024-10-31

Equipment for construction, transportation, and maintenance--interior view of Shasta Unit

This picture is an interior view of the Allis-Chalmers governor for Shasta unit U1 in L7 position showing the speedball motor, relay, and operating linkages

1943-02-24

Riverbanks and slope protection--anchored caisson

Specification No. 2475, March 24, 1949. When this photograph was taken the floating caisson was anchored by its ""A"" frame to the spillway bucket section. The caisson barge with machinery for operating the caisson is between the towers. At the...

1949-03-24