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Pipe from the mills is often ordered in pre-determined lengths SRL - Single Random Length ~6m DRL - Double Random Length ~12m RTL - Triple Random Length ~18m QRL - Qaud Random Length ~24m Basically the option as to which to have supplied or purchase is down to the end use, on very long...

I know you say you want to keep costs down but the cost of 3D laser scanning can is quite cheap and in my experience has less potential for errors or returns to site because some information was missed. I would look at getting the systems scanned, based on the size I would expect you could...

The rest of the pipe was coated with Tuboscpoe TK-69.

Depending on the coating type there are internal sleeves that can be used to have internal coating which will allow welding. I've the following in the past, "Thru-Kote U.B™ sleeve is an unbelled connection system for 2" - 42" line pipe designed to protect internal coatings during welding"...

I've recently been completing testing specs and though our company just specifies one buried either end of the test section and the mid-point, most of contractors are putting an additional probe on the line due to the low ground temps and wanting to use water only rather than dealing with...

I don't see any issue with the substitution either. As BigInch says this should help the contractor keep a narrower RoW and may reduce your workspaces. The one thing you should look into though is the bend radaii, if you have four lines in one ditch and want to keep the pipeline separation equal...

I've seen this on numerous occasions on tool runs and it is almost always caused by underground supports. My company expressly refuses to accept the use of underground supports like this to the differential settlement between the support and the bottom of ditch which leads to this issue.

I've seen this quite a lot as it's typical for many fittings to be forged from much thicker material in order to maintain the minimum required wall thickness. DVWE is quite correct in his statements and this is a very typical industry practice, though typically haven'd seen that much of an ID...

Hugo the flange rating temp will be determined by the manufacturing spec. CSA flanges are good to 120C. For ASME the rating varies based on the temp as per tables 2-1.1 onwards. One thing I would note would be that A350 LF2 flanges are lower grade than the CSA Gr. 359 your looking for, I suspect...

Hugo it should be pretty clear from the MTRs for the flange whether or not it meet the Z245.12 requirements. I should be listed there as the applicable code. That been said I've often seen confusion from certain manufactures with regard to meeting CSA requirements, typically because the...

API 5L pipe mass would be as per section 9.11.2 calcs. For typical applications though most pipe vendors will be able to supply you with a data book for all pipes and WT giving the corresponding weight per foot. Also I believe Bri-Chem have a app for calculating this where you can select the OD...