Powerhouse construction--East Powerhouse foundation [02]

Progress photos of the East Powerhouse as of date.

1941-08-07

page V-34

Another problem is "displacing" of thermal plants. "Displacing" means shutting down or reducing the output of one of more thermal plants and serving that part of the load with surplus hydro secondary energy otherwise unsalable. Of course, a...

Powerhouse construction--construction of the R-1 scroll case

Progress view of the stage of construction on the R-1 scroll case.

1948-08-17

Grand Coulee Night Construction

A Grand Coulee Dam night view, showing area west of cofferdam in foreground, suspension bridge for Westmix aggregate, highway bridge, Mason City across the river, and Brett gravel pit in upper right.

1936-09-29
2024-11-25

Spillway and drum gate construction--arches over spillway

View of all of the spillway arches.

1941-07-31

Spillway and drum gate construction--view of the spillway section [02]

View of the spillway section of Grand Coulee taken from the right bank.

1941-05-05

page V-9

[unrelated materials omitted]
DEPARTMENT OF TRANSPORTATION Office of the Secretary TRANSPORTATION OF RADIOACTIVE MATERIALS Memorandum of Understanding CROSS REFERENCE: For a related document published jointly by the Atomic Energy...

Spillway and drum gate construction--riveting and welding face plates

Riveting and welding face plates on drum gate #1

1941-01-28

Spillway and drum gate construction--steel and forms for drum gate

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

1940-06-20

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

South Coulee Dam--Main Canal Headowrks--View taken from the east bank of the approach channel looking west and downstream. Mixer and ""Pumperete"" set-up are shown in the central part of the view. The cut-off wall footing which runs through the...

1948-05-04

North End of Block Forty

North end of block 40 in foreground, timber crib plug to cofferdam cell cluster, center tower of aggregate suspension bridge tower in cell 5, cofferdam section "G"; Bridge spans on both sides of tower, 1437 feet. Elevation, top of tower 1280,...

1936-01-01
2024-11-25

Installation of turbines and generators--completed rotor

A tight fit. The clearance between the huge 25-foot rotors and the stators of the two 75,000 kilowatt Shasta Dam generators, being installed at Grand Coulee Dam to make additional power available for war industries, is only 5/8 inch. Lowering this...

1942-11-28

page III-121

Source WI-70 WI-70 C WI-70 PI-84 PI-21, 105 SI-73 Tentative Disposition F F F Problem or Area of Concern 5. Strongly opposed to construction of game bird farms, because it would be threat to native predatory birds and would...

Installation of turbines and generators--rotor being installed [01]

Col. Basin Proj., Grand Coulee Dam.--Rotor for main generator unit L-6 in the west powerhouse at Grand Coulee Dam being carried to final position by two overhead travelling cranes using an equalizing beam. The rotor, 31 feet in diameter, weighing...

1943-06-08

Installation of turbines and generators--men carry bolts

Bolts and nuts weighing 193 pounds, couple the sections of the shafts for the two 75,000 kilowatt Shasta generators being installed in the Grand Coulee Dam left powerhouse. The bolts are five inches in diameter and 25 inches long. Each section of...

1942-12-29

Installation of turbines and generators--placing scroll case

Placing scroll case section L1 W. powerhouse

1941-08-21

Scale models, testing, and oddities--gauging offsets between concreet units

Close up view of a man gauging offsets between concrete units

1938-02-01

Equipment for construction, transportation, and maintenance--transporting a rotor shaft

Due to lack of proper transportation equipment, difficulty was encountered in taking the R-1 rotor shaft across the spillway roadway of the dam. In order to distribute the load safely, it was necessary for this truck boom to hook onto the trailer...

1948-07-21

Scale models, testing, and oddities--concrete specimens

concrete specimens-not yet submerged in water for testing

1938-08-19

Scale models, testing, and oddities--topographic model [04]

Photograph is a side angle of a topographical map where the dam will be built.

1941-10-16

Downstream Cross-River Cofferdam

A "U-shaped" stoplog crib in downstream coffer being placed. In foreground is section "H" of west cofferdam partly removed. Across the river is the 965 el. Wakefield coffer.

1936-11-19
2024-11-25

Cross-River Cofferdam

Shore-end of downstream cross-river cofferdam.

1936-09-01
2024-11-25

Equipment for construction, transportation, and maintenance--Grant pumps

Grant pumps and grant building

1941-01-29

Riverbanks and slope protection--submerging the floating caisson

Specifications No. 2475, March 24, 1949. This photograph was taken as the floating caisson was being submerged in the spillway bucket during its initial trial operation. The caisson barge with operating equipment is shown floating between the...

1949-03-24

Riverbanks and slope protection--armor rock along the bank [01]

Showing granite armor rock along the left riverbank below Grand Coulee Dam ready for placing in section ""A."" The rock is obtained from the upriver quarry. This work is performed by J.A. Terteling and Sons, Inc., under provisions of negotiated...

1949-04-26