Folder PCA0002-3b
Container
Contains 80 Results:
Most of the above ground sections of the pipeline were in place with the major exception being a 5-mile stretch to be installed from a snow-pad during November., 1976-11
Item — Folder: PCA0002-3b
Identifier: PCA0002-3b-41
Scope and Contents
PC1361-7
Dates:
Issued: 1976-11
A special above-ground design was used across the Denali Fault in the Alaska Range—the most seismically sensitive area along the pipeline route., 1976-11
Item — Folder: PCA0002-3b
Identifier: PCA0002-3b-42
Scope and Contents
PC1374-13A
Dates:
Issued: 1976-11
Here, special long-width support beams were installed atop a raised gravel pad, instead of between pairs of vertical support pipes—the normal method for above-ground pipe construction., 1976-11
Item — Folder: PCA0002-3b
Identifier: PCA0002-3b-43
Scope and Contents
PC1349-5
Dates:
Issued: 1976-11
The pipeline design at the Denali Fault will accommodate fault displacement of up to 20 feet horizontally and 5 feet vertically., 1976-11
Item — Folder: PCA0002-3b
Identifier: PCA0002-3b-44
Scope and Contents
PC1372-8
Dates:
Issued: 1976-11
By early November, about 70 miles of above ground pipe remained to be insulated. Most of this was in the northern-most section., 1976-11
Item — Folder: PCA0002-3b
Identifier: PCA0002-3b-45
Scope and Contents
PC404-3
Dates:
Issued: 1976-11
Another activity that continued during the period was resolving weld and radiograph questions identified in an internal audit of 1975 field girth welds., 1976-11
Item — Folder: PCA0002-3b
Identifier: PCA0002-3b-46
Scope and Contents
PC9059-13
Dates:
Issued: 1976-11
Of the 3,955 questioned welds identified, only 60 remained by early November. All of these are located in Pipeline Section 5., 1976-11
Item — Folder: PCA0002-3b
Identifier: PCA0002-3b-47
Scope and Contents
PC9066-9
Dates:
Issued: 1976-11
In order to resolve a questioned weld on buried sections of the line, a “bell hole” had to be excavated around the pipe. Steam and hot water were among the primary methods of melting the frozen soil around the pipe., 1976-11
Item — Folder: PCA0002-3b
Identifier: PCA0002-3b-48
Scope and Contents
PC9068-1
Dates:
Issued: 1976-11
In each instance, visual inspection, a new radiograph, a physical repair and re-radiograph of the weld was required., 1976-11
Item — Folder: PCA0002-3b
Identifier: PCA0002-3b-49
Scope and Contents
PC9062-9
Dates:
Issued: 1976-11
In the majority of instances, some type of repair—generally minor—was needed to meet project specification., 1976-11
Item — Folder: PCA0002-3b
Identifier: PCA0002-3b-50
Scope and Contents
PC9072-19
Dates:
Issued: 1976-11