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Categories
Category Archives: Operations
Penetration resistance – existing pipelines
I’ve written before about penetration resistance and the B-factor as specified by AS 2885.1 Appendix M, but that post didn’t distinguish between design of a new pipeline and review of an existing line. From time to time I see confusion in … Continue reading
Road crossings and high design factor
The rules for allowable stress at road crossings are given in Clause 5.7.3(c) of AS 2885.1. Recently I had an interesting query which illustrated a bit of a gap in these rules. Basically the combined equivalent stress should be calculated … Continue reading
Posted in Operations, Pipeline design, Standards, Uncategorized
2 Comments
Perfectly safe …
Yesterday I went to the funeral of a friend from university days. That’s not particularly relevant to pipeline engineering, except that he was the source of the punchline I use almost every time I talk to a group or a … Continue reading
Think like the judge
One way of thinking about the validity of your actions as an engineer is to imagine how they would be perceived by the inquiry following a disaster involving your work. A while ago I used to be a bit apologetic, … Continue reading
Posted in Eng'g philosophy, Operations, Pipeline design, Risk assessment
8 Comments
Vent ignition follow-up
The previous post certainly generated discussion – a total of 10 useful comments (so far, and not counting my responses). Thanks to all those who contributed. I started replying to individual comments but it became a bit overwhelming so this … Continue reading
Posted in Incidents, Operations, Pipeline design
10 Comments
Vent ignition
Around Australia there must be hundreds of blowdown vents on gas pipelines. With a few minor variations the standard design is a short vertical pipe, maybe 2.5 m high, with a removable closure on top and a plug valve to … Continue reading
Posted in Incidents, Operations, Pipeline design
16 Comments
More on the new standards
My post late yesterday was a bit brief – I just wanted to get the news out. Congratulations and thanks are due to Phil Venton (chair of Standards Australia committee ME-038) for shepherding this complex suite of documents through the … Continue reading
Posted in Operations, Pipeline design, Standards
1 Comment
AS 2885 new revisions released
Today Standards Australia published the following long-awaited amended or revised Parts of AS 2885: Part 0 General requirements (amendment to 2008 revision) Part 1 Design and construction (nominally a new revision but it’s really just a large amendment to harmonise … Continue reading
Posted in Operations, Pipeline design, Standards
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Procedural controls
I reported recently on a couple of very nasty near misses, and if you look at the comments at the end of that post there is another scary story about someone who thought he did not need to follow the … Continue reading
Recruiting researchers
If you have been reading this blog for a while you know that I’m very keen on the research into sociology of safety under the Energy Pipelines CRC. That research program is looking for another PhD candidate who may (but … Continue reading
Pipelines OZ 