Talk:Water pipe

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Water pipe is measured by its OD in the UK. Is this true for elsewhere?

Yes it is.

no it isnt

In Ontario, Canada waterpipe (more commonly refered to as watermain) is measured using the inner diameter of the pipe. Metric is commonly used on blueprints, but English measurments still have their place (and supporters) on the jobsite. For example, 8" PVC watermain would be shown on the engineering blueprints as 203MM, while 6" sanitary/utility PV C would be shown as 150MM, a 2.4MM discrepancy that is understood and accepted given the non exacting tolerances than can be worked with in the industry. Markca 08:06, 29 December 2006 (UTC)

I have added ductile iron as a type of watermain, and added the more common PVC abbreviation to describe poly vinyl chloride Markca 23:54, 30 December 2006 (UTC)