Food Grade Stainless questions -- The Welding Forum

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Subject: Food Grade Stainless questions

Author:
Brainfarth

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Date Posted: 10:15:14 03/11/04 Thu

A buddy of mine has asked me if I could do a job for him in New Mexico. It's to lay down 3 3" x 1100' stainless pipes for a dairy farm. I have fabricated and welded food grade tankers before, but all that was inhouse and easily accessible. Didn't have to worry about material types(shop forman had the aws rules figured out and whatever rule fell into that catagory) or certs(inhouse certification).
So now I need to know a few things..
What is the process to butt 3" pipes together? With tankers we had to do full pen welds and grind any obstructions down flat then polish(I think it was realistically about 200 or 400 grit) the inside area down so bacteria couldn't stick and grow, how do you reach down an 1100' pipe to work the inside?
What certs will I need?
Am I overlooking anything?

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Replies:

Subject	Author	Date
Re: Food Grade Stainless questions	jp0506	07:06:34 03/19/04 Fri

Re: Food Grade Stainless questions	Tom Jones	20:16:42 04/19/04 Mon