Hello Ken,

Years ago we did a job where there was an light mounted on the outside
of the building to indicate which of the 12 risers in the place was
flowing (4 groups of 3 risers each). The light was controlled by the
flow switch on the riser.

Thursday, March 1, 2007, 5:36:30 PM, you wrote:

> Ed,

> 8.16.2.4.5 would seem to support what you intend to do. Might I offer up the
> following..

> In this neck of the woods AHJs are asking more frequently to have external
> horn/strobes located above the FDC in lieu of an electric alarm bell or
> water motor gong to make it easy to find the FDC at night. In addition to
> the signage, if one of these were provided and tied into the appropriate
> flow switch or pressure switch of the systems served by that FDC, it would
> be really easy for the FD boys to find and pump into the correct FDC.

> Just a thought. 

> Ken Holsopple
> Rowe Sprinkler Systems Inc.

> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of Ed Kramer
> Sent: Thursday, March 01, 2007 4:28 PM
> To: [email protected]
> Subject: FDC's on multiple systems

> Run into something new that I need opinions on.

> An addition is being added to an existing building.  Existing building is
> fully sprinklered.  The total area of the combined existing and new
> structure exceeds 52,000 sf and the existing system riser is in the far
> corner away from the addition.  So the decision was made to bring in a new
> underground supply to serve the new addition.  Thus the new addition will
> have its own independent system riser and fire department connection.

> Does 2002 NFPA 13 section 8.16.l2.4.3 (or any other section) require the two
> FDCs (one existing, one new) be tied together?  

> The commentary hints at this, but I've never thought that was the intent.
> I thought the intent was that multiple systems SERVED BY THE SAME
> UNDERGROUND LEAD-IN be served by the same FDC.  Section 8.16.2.4.5 seams to
> support this.   

> Opinions?

> Ed Kramer
> Littleton, CO



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-- 
Best regards,
 Charles                            mailto:[EMAIL PROTECTED]

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