Construction of pipelines, syphons and tunnels--power tamping operations

South Coulee Dam--Zone I power tamping operations in cross-channels downstream from the cut-off wall, station 27+50

1947-07-09

Installation of turbines and generators--lowering the thrust

Part of the assembly of thrust bearing for generator Shasta L-8 being lowered into position

1943-03-23

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

Lowering the L-7 rotor into place

1942-02-02

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

Equipment for construction, transportation, and maintenance--transporting spider to...

Transporting spider to the powerhouse--Grand Coulee in background.

1941-02-17

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

Site preparation--excavating the diversion channel

A 5-yard electric shovel and 10-yard buggies working in the diversion channel

1936-08-01

Powerhouse construction--West Powerhouse

West Powerhouse from Car Skip

1940-04-10

Powerhouse construction--concrete placement in powerhouse

Men working inside powerhouse

1939-01-20

Spillway and drum gate construction--eastern spillway arch

Close up view of men working on eastern spillway arch.

1941-07-15

Spillway and drum gate construction--concrete placing

Concrete placing in twist slot

1941-10-15

Installation of turbines and generators--placing scroll case

Placing scroll case section L1 W. powerhouse

1941-08-21

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

Grant pumps and grant building

1941-01-29

Riverbanks and slope protection--interior of caisson drydock

Interior of caisson drydock showing rock that is being placed in bottom. Sand will be placed on top of rock and reinforced concrete atop the sand. The four piers form the resting place for the caisson

1944-11-29

Site preparation-- breaking rock [03]

View of men breaking up rock for excavation operations.

2024-04-25

Site preparation-- structures along bank

View from of excavation taken from across the river. Structures visible in the foreground.

1934-04-02

Powerhouse construction--transformer deck

Transformer deck at East Powerhouse

1941-12-29

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