an oil pipeline of 0.9 meter in diameter

[Tofu]

Hello Alan, Mister Micawber, Beeesneees, Mordant, Esl_Expert and other native English speakers,

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http://www.chinadaily.com.cn/china/2010-07/17/content_10119631.htm
An explosion hit an oil pipeline of 0.9 meter in diameter at 6 pm Friday and triggered an adjacent smaller pipeline to explode near Dalian's Xingang Harbor.
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"0.9 meter" is wrong but "0.9 meters" is correct, isn't it? Is "an oil pipeline of 0.9 meters in diameter" fine? Can I say "an oil pipeline with a 0.9-meter diameter" or "an oil pipeline with a diameter of 0.9 meters"?

Here's a similar thread regarding 0.9 "meter" or "meters".
http://www.english-test.net/forum/ftopic58515.html#0_03_degrees_fahrenheit

[Mordant]

You need the "s." Your alternatives are fine.

[Mister Micawber]

According to Swan, both the singular (0.9 meter) and the plural (0.9 meters) are in use, with the singular the norm. Personally, I find this very trivial and not worth the assignment of any rule. We all know what is meant.
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Native English teacher at Mister Micawber's

[Tofu]

Thank you, MM and Mordant.

[Beeesneees]

0.9 meters
0.9 of a meter
In my experience the plural is the norm unless 'of a 'is specifically added, but I can't argue with the experts - maybe Swan et al assume the 'of a'.
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Cheers m' dears!