Monthly Archives: April 2011

T1 and T2 location classes

These urban location classes are fairly straightforward.  T1 is for ordinary suburban areas and they are allowed to include small patches of higher density (up to 10%).  It also includes other land uses with similar population density.  T2 is for … Continue reading

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R2 location class

Location class R2 (rural residential) has potential to be mis-applied, although I suspect that many people don’t realise it.  Let me illustrate with a comparison of two very different pipelines, both with MAOP 10.2 MPa:  DN 100 (common supply to … Continue reading

Posted in Pipeline design, Standards | 1 Comment

Fracture control and pipeline assemblies

Good question recently from Josh Wickham of GPA.  He’s not the first to ask this and there have in fact been a number of official requests for interpretation from the Standards Australia committee ME-038 (responsible for AS 2885 ).  Josh’s question … Continue reading

Posted in Pipeline design, Standards | 4 Comments

External Loads on Pipelines

(Another quick post.  I still intend to continue the series on location classification but it might be a while yet.) As I talk to pipeline engineers in different operating companies I frequently encounter misunderstanding about the significance of external loads … Continue reading

Posted in Operations, Pipeline design | 12 Comments

Pipeline Engineer Training

I have a whole bunch of things that I want to write about but have hit an exceptionally busy patch in my day job and haven’t had time to write any new posts lately, and that’s not likely to improve … Continue reading

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R1 location class

The R1 (Rural) location classification in AS 2885 is pretty straightforward:  areas that are either unpopulated or have only occasional isolated residences. When the code committee was considering location classification there was some discussion of an even lower location class … Continue reading

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Location classification

I thought I might start a serious of posts on location classification, since it’s an important concept in AS 2885 and some aspects of it cause confusion. To start with the basics, location classification is a way of categorising land … Continue reading

Posted in Uncategorized | 3 Comments