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Folder PCA0002-2b

 Container

Contains 49 Results:

Welding on the trans Alaska pipeline is the subject of much controversy. Representatives of government, the press, and other agencies continue to voice public concern about the quality of the welding. Often, this concern is based on misinformation and on little, if any, understanding about the welding procedures used on the Alaska project., 1976-07

 Item — Folder: PCA0002-2b
Identifier: PCA0002-2b-1
Scope and Contents

PC9030-7A

Dates: Issued: 1976-07
Found in: Alaska State Library - Historical Collections Finding Aids / PCA 2, Alyeska Pipeline Service Company : Trans-Alaska Pipeline Construction Collection, 1976-1977 / PCA 2 Folder 2b: ONE WELD On the trans Alaska pipeline

In order to provide the public a detailed, step-by-step review of the welding procedure, Alyeska Pipeline Service Company—the company responsible for building the pipeline—assigned its staff photographer to pick a weld and photographically document the production, inspection, and certification of the weld. The following series of photographs are of the one weld, located about 70 miles north of Fairbanks., 1976-07

 Item — Folder: PCA0002-2b
Identifier: PCA0002-2b-2
Scope and Contents

PC9039-17

Dates: Issued: 1976-07
Found in: Alaska State Library - Historical Collections Finding Aids / PCA 2, Alyeska Pipeline Service Company : Trans-Alaska Pipeline Construction Collection, 1976-1977 / PCA 2 Folder 2b: ONE WELD On the trans Alaska pipeline

The four-foot diameter pipe came from the mill with a 30-degree bevel on the ends. The bevels are cleaned by sandblasting all dust, dirt, oil or other material which could cause weld problems., 1976-07

 Item — Folder: PCA0002-2b
Identifier: PCA0002-2b-3
Scope and Contents

PC9038-9404

Dates: Issued: 1976-07
Found in: Alaska State Library - Historical Collections Finding Aids / PCA 2, Alyeska Pipeline Service Company : Trans-Alaska Pipeline Construction Collection, 1976-1977 / PCA 2 Folder 2b: ONE WELD On the trans Alaska pipeline

Two pipe wall thicknesses are used, .462 thousandths and .562 thousandths of an inch (or roughly ½ inch). The pipe is a low carbon, low alloy steel made specifically for welding in the arctic environment. Most of the pipe has a yield strength of 65,000 pounds per square inch., 1976-07

 Item — Folder: PCA0002-2b
Identifier: PCA0002-2b-4
Scope and Contents

PC9038-12

Dates: Issued: 1976-07
Found in: Alaska State Library - Historical Collections Finding Aids / PCA 2, Alyeska Pipeline Service Company : Trans-Alaska Pipeline Construction Collection, 1976-1977 / PCA 2 Folder 2b: ONE WELD On the trans Alaska pipeline

Quality Control welding inspectors monitor each step of the welding process. Here, the inspector measures the bevel for the proper 30-degree angle., 1976-07

 Item — Folder: PCA0002-2b
Identifier: PCA0002-2b-5
Scope and Contents

PC9038-5

Dates: Issued: 1976-07
Found in: Alaska State Library - Historical Collections Finding Aids / PCA 2, Alyeska Pipeline Service Company : Trans-Alaska Pipeline Construction Collection, 1976-1977 / PCA 2 Folder 2b: ONE WELD On the trans Alaska pipeline

Next, the pipe ends are pre-heated with propane torches., 1976-07

 Item — Folder: PCA0002-2b
Identifier: PCA0002-2b-6
Scope and Contents

PC9041-4

Dates: Issued: 1976-07
Found in: Alaska State Library - Historical Collections Finding Aids / PCA 2, Alyeska Pipeline Service Company : Trans-Alaska Pipeline Construction Collection, 1976-1977 / PCA 2 Folder 2b: ONE WELD On the trans Alaska pipeline

The temperature of the pipe end must be between 150 degrees and 250 degrees, Fahrenheit., 1976-07

 Item — Folder: PCA0002-2b
Identifier: PCA0002-2b-7
Scope and Contents

PC4040-8

Dates: Issued: 1976-07
Found in: Alaska State Library - Historical Collections Finding Aids / PCA 2, Alyeska Pipeline Service Company : Trans-Alaska Pipeline Construction Collection, 1976-1977 / PCA 2 Folder 2b: ONE WELD On the trans Alaska pipeline

The inspector monitors the pipe temperature., 1976-07

 Item — Folder: PCA0002-2b
Identifier: PCA0002-2b-8
Scope and Contents

PC9038-10/9

Dates: Issued: 1976-07
Found in: Alaska State Library - Historical Collections Finding Aids / PCA 2, Alyeska Pipeline Service Company : Trans-Alaska Pipeline Construction Collection, 1976-1977 / PCA 2 Folder 2b: ONE WELD On the trans Alaska pipeline

The two sections of pipe are aligned for welding, using an internal alignment clamp which holds the section of pipe in place., 1976-07

 Item — Folder: PCA0002-2b
Identifier: PCA0002-2b-9
Scope and Contents

PC9039-2

Dates: Issued: 1976-07
Found in: Alaska State Library - Historical Collections Finding Aids / PCA 2, Alyeska Pipeline Service Company : Trans-Alaska Pipeline Construction Collection, 1976-1977 / PCA 2 Folder 2b: ONE WELD On the trans Alaska pipeline

Craftsmen in this operation include the “Stabbers” who direct the alignment…, 1976-07

 Item — Folder: PCA0002-2b
Identifier: PCA0002-2b-10
Scope and Contents

PC9039-9

Dates: Issued: 1976-07
Found in: Alaska State Library - Historical Collections Finding Aids / PCA 2, Alyeska Pipeline Service Company : Trans-Alaska Pipeline Construction Collection, 1976-1977 / PCA 2 Folder 2b: ONE WELD On the trans Alaska pipeline