Building Code for Cleanouts Through Fire Walls

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Old 11-29-04, 10:59 AM
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Building Code for Cleanouts Through Fire Walls

What is the building code for cleanouts which extend through a fire wall into a garage area? My inspector came out last week and indicated I should change a 3" ABS downswept Y from the 2nd story, to a cast iron one. Can I just use a 3" cast iron/galvanized nipple with a 3" cast iron coupling and thread them into the 3" ABS cleanout? I will have to fur the wall out for this extension before drywalling, but I would have to fur out the wall anyway if I replace the ABS Y with cast iron, since CI fittings are larger dimensions.

I can provide a picture if it is necessary for clarity, Thanks, Iggy
 
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Old 11-29-04, 05:00 PM
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Call your inspector he will tell you one way or the other, he is there for guidance and will be happy to let you know.
 
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Old 11-30-04, 08:44 AM
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Thanks

Plumber 2000,
Thanks! I did call him and I can do it as I described. I guess the code says that the fire rated drywall must have cast iron at the point of penetration, which is what I thought was the point of his directive while on the job site. And your right, he was "happy" to help me.
 
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