Why Bury Pipelines?
Study Released August 28, 2012
Natural Gas Report - June-July 2012
The vast majority of energy and water pipelines are buried, generally to a depth of 1-2 metres. One notable exception is the Trans-Alaska Pipeline System (TAPS), much of which is elevated to avoid melting permafrost. (A small section is buried and refrigerated, again to avoid melting permafrost.) Various pipelines have small sections that protrude above ground level. Another is the Tas-Tumas/ Yakutsk natural gas pipeline in Siberia, also traversing permafrost. Most of it is above ground on untreated timber H-supports or within a berm..... Download full report.June-July 2012