I would think that if the fire line comes from a domestic water line, the 
plumbing codes would apply. 

Todd G Williams, PE
Fire Protection Design/Consulting
Stonington, CT
860-535-2080
www.fpdc.com


> On Nov 18, 2014, at 10:56 PM, Richard Lindner <[email protected]> 
> wrote:
> 
> Typically, the reason for encasing a water line at a crossing with a sewer
> line is per the plumbing code for domestic water and cross contamination
> with a sewer pipe.  Therefore, if this is a fire line, it not governed by
> the plumbing code  and if its domestic, its not a fire line and needs to
> follow the plumbing code.
> 
> At least that's my take on it.
> 
> Richard
> 
>> On Tue, Nov 18, 2014 at 9:30 AM, John Lewis <[email protected]> wrote:
>> 
>> Crossing under or next to a sewer main/line.
>> 
>> 
>> Thanks,
>> J. Lewis
>> 
>> 
>> 
>>> ________________________________
>>> From: Mike Hairfield <[email protected]>
>>> To: "[email protected]" <
>> [email protected]>
>>> Sent: Tuesday, November 18, 2014 4:59 AM
>>> Subject: Underground Fire Line Encased In Concrete
>>> 
>>> 
>>> Has anyone ever encased a underground fire line in concrete?
>>> Any problems with a AHJ accepting it?
>>> Mike
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