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

Spillway and drum gate construction--view of the spillway section [01]

View of the spillway section from the left bank

1941-03-31

Spillway and drum gate construction--drum gate #1 [04]

Men work on drum gate number one

1940-12-07

Spillway and drum gate construction--spillway section [01]

Spillway Section--downstream face

1940-10-24

Installation of turbines and generators--man wipes wicket gates [02]

Huge wicket gates stored on generator deck is wiped off by H.R. Ramm, U.S.B.R. foreman.

1947-06-28

Installation of turbines and generators--L-7 generator spider

The spider for the L-7 generator, after being heated to cause it to expand, is being lowered onto its shaft. It is partially covered with canvas to keep it warm until it is in place.

1947-06-27

Installation of turbines and generators--interior of powerhouse

A view of the east end of the left powerhouse, with turbine pit No. 6 in the immediate foreground

1942-11-28

Equipment for construction, transportation, and maintenance--air compressors

air compressors in power house

1941-09-10

Site preparation-- breaking rock [03]

View of men breaking up rock for excavation operations.

2024-11-21

Site preparation--machinery used for excavation

A 5-yard electric shovel, 10-yard dump buggy and 75 H.P. diesel Caterpillar used for excavating in the west side river diversion channel

1936-07-30

Powerhouse construction--East Powerhouse foundation [02]

Progress photos of the East Powerhouse as of date.

1941-08-07

Powerhouse construction--powerhouse bays

Bays 1-2 and 3 in East Powerhouse.

1942-02-23

Spillway and drum gate construction--hoisting elevator shaft

Hoisting elevator shaft form into place. 3 men riding load.

1941-06-30

Spillway and drum gate construction--aligning the drum gates

Aim crosshairs for aligning drum gates.

1941-03-06

Spillway and drum gate construction--drum gate #1 [01]

Drum gate number one

1940-12-07

Installation of turbines and generators--concrete breaker

Concrete breaker used to tighten bolts on L-6 scroll case

1943-05-26

Equipment for construction, transportation, and maintenance--truck-mounted equipment

A centrifugal oil purifier, a filter, and automatic electric heater, and meter, pumps, gauges, pipes, and necessary appurtenances are mounted on a simple truck for use in various parts of the plant. The unit is designed to handle lubricating,...

1941-09-10

Newsletter - "Water is Wealth ... Don't Waste It!"

Newsletter: CAP Newsletter, vol. III, January, 1966, page 2

1966-01-01

Employee housing-- 1941

Shot with a wide angle lens, a view of the dam with employee housing on both sides of the Columbia

1941-05-22

Powerhouse construction--powerhouse and transformer deck

View of East Powerhouse and transformer deck with outlet tubes in background.

1942-04-28

Construction of pipelines, syphons and tunnels--main canal headworks

South Coulee Dam--Main Canal Headworks--View over top of barrel section taken from east upstream and west. The ladder-like templates in the middle left of the view support reinforcing steel in the hinge part of the gate section of the two west...

1948-09-02

Spillway and drum gate construction--east spillway

East spillway, showing elevator shaft.

1941-06-30

Spillway and drum gate construction--view of the spillway section [05]

View of the spillway section from the left bank

1941-03-03

Spillway and drum gate construction--drum gate #1 [03]

Drum gate number one

1940-12-05

Spillway and drum gate construction--transition form for inlet

Transition form for inlet to 57-inch supply pipe for drum gate control. One of these water supply inlets is in each pier for a total of 11. A 57"" butterfly valve will be connected to this inlet for control of water supply.

1940-06-12