Portage Mountain Dam Conveyor System

by Irvine W. Low,

Serial Information: Journal of the Construction Division, 1967, Vol. 93, Issue 2, Pg. 33-52

Document Type: Journal Paper

Discussion: Golze Alfred R. (See full record)
Closure: (See full record)

Abstract: The materials available and the methods selected to build a rolled-fill embankment dam in north-central British Columbia are described. The specification requirements for the dam materials are given. A limited working season and a tight construction schedule dictated high volume fill placing. The contractor selected a 15,000 ft single-flight high-speed conveyor to move 57,500,000 cu yd of soil from a glacial moraine to a processing plant. Forty-eight percent of the material was processed and reblended to form selected zone materials in a $10,000 plant built in 9 months. The handling system includes high-speed belts and automatic staged disc brakes. The system has been effective and reliable, and the project is ahead of schedule after initial delays.

Subject Headings: Dams | Mountains | Materials processing | Scheduling | Construction management | Fills | Earthfill dams | Construction materials | Seasonal variations | North America | British Columbia | Canada

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