Folder PCA0002-2a
Container
Contains 79 Results:
The crawler automatically stops at, and radiographs each girth weld. Radiographic film encased in cassettes, is wrapped around the outside of each weld., 1976-07
Item — Folder: PCA0002-2a
Identifier: PCA0002-2a-19
Scope and Contents
PC317
Dates:
Issued: 1976-07
On welds that have been repaired, X-rays of the repaired area are usually made from the outside of the pipe. Here, technicians fasten a radioisotope container atop the pipe. The radiographic film is placed on the opposite side of the pipe, also on the outside., 1976-07
Item — Folder: PCA0002-2a
Identifier: PCA0002-2a-20
Scope and Contents
PC316-5
Dates:
Issued: 1976-07
This radiographic tie-in and repair vehicle houses the portable X-ray and manual processing equipment., 1976-07
Item — Folder: PCA0002-2a
Identifier: PCA0002-2a-21
Scope and Contents
PC312-5
Dates:
Issued: 1976-07
An audit of 1975 mainline field girth weld radio-graphs conducted during the spring, revealed 3,955 discrepancies. As of early July, more than 2,200 of these discrepancies had been resolved., 1976-07
Item — Folder: PCA0002-2a
Identifier: PCA0002-2a-22
Scope and Contents
PC312-3
Dates:
Issued: 1976-07
The remedial weld work progressed during the reporting period alongside normal construction activity., 1976-07
Item — Folder: PCA0002-2a
Identifier: PCA0002-2a-23
Scope and Contents
PC1313-6
Dates:
Issued: 1976-07
Pipeline construction during the period included installation of mainline valves. A total of 175 valves are being installed on the pipeline. This is one of 80 check valves, which “checks” or prevents back flow of oil during the pipeline’s operation. When oil is flowing, a clapper inside the valve swings down into a closed position, preventing oil from flowing in the opposite direction., 1976-07
Item — Folder: PCA0002-2a
Identifier: PCA0002-2a-24
Scope and Contents
PC1297-18A
Dates:
Issued: 1976-07
Ninety-five block (or gate) valves are being installed. Sixty-two of these are remote gate valves, which are battery powered and can be controlled from the Valdez Control Center or from a Pump Station. This is one of the nine manual gate valves., 1976-07
Item — Folder: PCA0002-2a
Identifier: PCA0002-2a-25
Scope and Contents
PC1296-5A
Dates:
Issued: 1976-07
This remote gate valve is on a buried portion of the pipeline. The block controls oil flow by an internal slab, or gate, that is electronically or manually controlled to move up and down, in the open and closed positions respectively., 1976-07
Item — Folder: PCA0002-2a
Identifier: PCA0002-2a-26
Scope and Contents
PC2244-3
Dates:
Issued: 1976-07
There are also 23 “header gate valves”, installed at pump station entrances and exits and a mainline gate valve at the marine terminal. This valve is at the entrance to Pump Station 8., 1976-07
Item — Folder: PCA0002-2a
Identifier: PCA0002-2a-27
Scope and Contents
PS638-18
Dates:
Issued: 1976-07
Construction activity during the reporting period include pipe work in the Atigun Pass area of the Brooks Mountain Range. The 4,800-foot-high pass is the highest elevation on the route. The above-ground section is south of Chandalar camp, about 15 miles south of the pass summit., 1976-07
Item — Folder: PCA0002-2a
Identifier: PCA0002-2a-28
Scope and Contents
PC1317-9A
Dates:
Issued: 1976-07