freezing 4\" water pipe

Robert O'Connor_12

What type/kind of pipe?


Robert O'Connor/NJ

jeff_25

freezing 4\" water line

we poss. have a job that will require freezing a 4" line to replace a vavle we can not sut down building. have have you guys use for this?? thanks jeff

Big Will

The ridgid freeze machine works great

I dont know how long it will take to freeze a line that size. I have never used it for bigger than 11/2". Its nice knowing you cant run out of carbon dioxide or have to change tanks. Pricy though.

jeff_25

city water not sure material if it copper or gavl.

Bill_68

Freezing

Be very careful with this large a pipe. Is there any service in your town that can do this as a service with their own equipment? I assume the City cannot shut the water down at their meter? Can your reps for some advice on how long it takes to freeze this line safely.

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jeff_25

no it a 41 story building never empty cust. wont shut down water unless super emergency

Bill_68

Two URL's to read...

http://www.tapmasterinc.com/PipeFreeze.html

http://en.allexperts.com/q/Plant-Operations-Maintenance-2476/Pipe-freezing.htm

How about working on a Sunday?

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Matt J._2

Jeff

Jeff I have also used the Rigid unit...but it was on 2 inch K copper. The biggest thing is that you will need to dent or out of round the pipe down stream from where you are freezing to keep the plug of ice from coming out if the pipe is not frozen completely or would thaw out. Plus there will cannot be any water movement will you are freezing this.....I'm not sure the Rigid unit would be the unit of choice because it tool over an hour for me to freeze this 2 inch line even with the help of dry ice....Just my 2 cents...

jeff_25

there always people in the building along with all the equiment

jeff_25

a i have allready used 2 ridged machines inline like a double block 1st one chills and start the freeze 2nd one froze it the heads wont go on the 4"very good

Bill_68

Quik-Freeze

www.cob-industries.com/qwikbrochure.pdf

This is what we use and much anything over 2" makes our guys real nervous...we just don't do enough of these to gain experience and confidence. A 4" isn't bad if you have the right equipment and allow the correct amount of time. Read the download and you will get an idea.

Keep a bucket or two and a good wet vac handy!!

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Bill_68

Warning

Don't use the Ridgid machine for this job!!

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jeff_25

a i know were thinking of framing it out early in the thinking stage

Steve Garson_2

There must be a company that does this more than infrequently. This just sounds like a disaster waiting to happen. Even with the right equipment, if a person has never done this a on 4-inch pipe, how much experience can you have?

Steve

Bill_68

It sure can be!!!



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jeff_25

that what i told the forman might have to bring them in from chicago

JJ_4

Quick search...

Jeff,

Since you mention Chicago...I did a quick search and found a company that specializes in freezing in Antioch IL:

http://www.pipefreezingservices.com

Don't know a thing about them...but 25 years in the business according to their site. I imagine they have significant insurance.