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

Installation of turbines and generators--lowering the needle valve

Needle valve being lowered to base in R-8 of East Powerhouse

1944-11-24

Installation of turbines and generators--rotor near completion

Man stands on the rotor--which nears completion

1941-07-05

Installation of turbines and generators--assembly of rotor

One step in the assembly of rotor of Shasta generators to be used in west power house

1942-08-21

Installation of turbines and generators--worker using micrometer

Workman using a micrometer on L-6 scroll case bolts after tightening.

1943-05-26

Site preparation-- excavation operations [01]

General view of excavation operations along bank

1936-11-01

Powerhouse construction--Penstock liner

East side of Penstock liner. Man inside liner gives scale.

1940-01-10

Spillway and drum gate construction--west side downstream view of spillway

View of a portion of the spillway section showing formwork and false work for construction of spillway bridge spans. The construction trestle appears below the formwork. Eight of the 102-inch outlet tubes are shown in use for diversion of the...

1941-08-21

Spillway and drum gate construction--view of the spillway section [03]

View of the spillway section from the right bank

1941-03-03

Spillway and drum gate construction--drum gate #1 [02]

Installation of main girders for drum gate

1940-12-05

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

Installation of turbines and generators--riveting crew at work

Riveting together the sections of the #1 Shasta turbine scroll case in pit 7. On the left is the heater. In the center, a man is bouncing a heated rivet to knock off the oxidized scale and on the right are the riveters waiting for the rivet.

1942-02-23

Scale models, testing, and oddities--Grand Coulee [02]

Scale model of Grand Coulee Dam

2024-04-25

Installation of turbines and generators--shaft for Shasta generator being lifted

Shaft for Shasta generator being lifted preparatory to seating upright in operating position for construction of rotor

1942-07-15

Equipment for construction, transportation, and maintenance--reboring drum gate grirder

Reboring drum gate girder. Machine shop--powerhouse

1941-01-22

Site preparation-- dump truck

Close up view of a dump truck dumping material during excavation operations.

2024-04-25

Powerhouse construction--powerhouse equipment

Close up view of unidentified equipment

1940-09-09

Powerhouse construction--station service from balcony

The two 14,000 h.p. station-service turbines at the left powerhouse are embedded in concrete to elevation 951, the generator floor level.

1940-08-01

Powerhouse construction--reinforcing steel in powerhouse

General view of reinforcing steel at East Powerhouse base

1940-10-07

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

View of the spillway section from the left bank

1941-02-05