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Vessel Code or in accordance with AWWA C, Section Welders . shall maintain the interior of the pipe in a sanitary condition free from. Graphics Courtesy AWWA AWWA C for field weld inspection due to the process inspector in accordance with AWWA C to verify conformance to the . Buy AWWA C FIELD WELDING OF STEEL WATER PIPE from SAI Global.

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By Cactusthewelder Date By dbigkahunna Date This standard describes field welding of three types of circumferential pipe joints: Other welding required in field fabrication rree installation of specials and appurtenances is also discussed. The design of field-welded joints is not described.

Awwa C206-17 Field Welding of Steel Water Pipe

Welding of gasketed joints may require modification to the parameters of this welding standard. Looks to me the welding falls under D1. That pretty much answered my question and my curiosity. We will be doing a 36″ waterline and that is the only code that is implied on the drawings. It also list the welds to be performed with 70xx.

So, am I right in the beleif that the onsite inspector can interpret this at his discretion? Not being familiar with the accept reject to D1. I have never seen a xray rig on a water job, but I have yet to work on one. If you have D1. May want to go over your continuity logs to be sure everyone is current.

With your drilling rig welding background you should already have everything in place. By Superflux Date Don’t know if this is the latest or your applicable Edition, but When requested by the purchaser, a full-time welding inspector shall be present whenever there is welding to be done.

If RT is used By rfieldbuilds Date Generically speaking, my experience with AWWA is that it doesn’t have a lot of awqa. It will aewa refer to D1. As I have recently completed inspection on a storm water pumping station with AWWA listed as the ruling code, I will say I was suprised that the code offered little guidance.


It essentially refered all questions of code compliance to the D1. Of course, every inspector will have their say in intrepretation of this code. My IOR was clueless about welding. They refered everything to the welding inspector. I did initial inspection and follow up inspection after they allowed repairs to parts that didn’t line up with their pumping station. When will they learn?!? By yojimbo Date I’ve worked 5 large bore waterlines as a rig welder, one 42″ short line I contracted myself, so I have some experience but there are others who specialize in that niche and can speak more authoritavely than myself.

I am neither an engineer nor a CWI, but I make the point on a job to either be conversant in the code expectations for the welding I will be doing or to learn them PDQ.

Anyone know the AWWA c code ?

The code, while not lax, takes very little responsibility for self-definition. It is essentially AWS D1. On a 20 mile 42″ line I rig welded on with the 70XX requirements the welding contractor had me qualified with a a full pen 5P, 6″, aawwa qualification examined to D1. It required the voltage module to be installed on my Classic D, which I wasnt going to spend for, so he by passed the code wth charpy testing on my weld test and I was good to go.

He swears by it, as you know, most rig welders prefer to avoid wire.

All the other waterlines I worked required a 1″ unlimited overhead and vertical weld test with backup strip, 4 side bends to D1. The best welders on that line welded that joint in a 10 hour day and inspection was stringent. Good fre weld appearance is alway appreciated but rarely nit-picked and not to the standards most pipeline or facility welders produce.

Welding the inside lap joint on a 36″ line would not be a job I would care to volunteer for, at least not for an extended period of time- it gets a little cramped in there for me. It is possible to have this weld eliminated, as I did on my 42″ project, if the contractor can get the engineering clearance.


That largely depends on length of line and psi- might be something to look into. If not, you might keep in mind you will need a sufficient sized air mover to keep the smoke clear for the inside welders, at whose expense providing, fueling and keeping that running will be yours to wrangle with the General. Having read postings from you in the past, it appears you tend to focus and specialize more in the gas and energy business than large bore waterlines. Water work is generally IMHO far less critically challenging, but every application in this trade has its tricks, short cuts and learning curve and I thought I might pass on the few crumbs I’ve gleaned from my limited time in those particular trenches.

I would say though, frfe I was going to contract a decent sized large bore waterline, and especially if I was not going to self perform or be able to be onsite for its daily managment, I would absoutely recruit a guy with experience and expertise as a lead man to oversee and train the welders in a few of the essentials like but strap fit ups.

Again not rocket science, but I hate seeing guys re-inventing the wheel. There are several guys on this forum with such experience who might be looking for work, I’ve heard most of frwe work is slow untill after the new year so they migh be available. Something to chew over maybe anyway. San Francisco fee Section Rochester – Section Colorado – Section Puget Sound Olympic – Section Arizona – Section Nebraska – Section North Florida – Section Florida West Coast – Section Nevada – Section