Looking in the AFSA membership directory, there are four pages worth  
of AHJ members.

Roland

On May 6, 2010, at 11:17 AM, Richardson, R wrote:

> Good idea Chris, thanks.  Invaluable forum as previously stated.   
> Can AHJ's join this association as a means of support for this  
> resource.
>
> Rich Richardson
> Seattle Fire Department
>
> -----Original Message-----
> From: [email protected] 
> [mailto:[email protected] 
> ] On Behalf Of Chris Cahill
> Sent: Thursday, May 06, 2010 11:00
> To: [email protected]
> Subject: RE: Pre-action in same space as wet pipe system
>
> I think Brad is on the right track.  With the detection should pick up
> things in the non-PA space near the boundary so it's just a dry  
> system as it
> spreads to the PA side of things.  The whole non-PA side maybe not.
>
> Thinking out loud couldn't the non-PA flow switch be tied into the  
> PA system
> along with the detection to trip the electrical side of the PA valve?
>
> Chris Cahill, P.E.
> Fire Protection Engineer
> Sentry Fire Protection, Inc.
>
> 763-658-4483
> 763-658-4921 fax
>
> Email: [email protected]
>
> Mail: P.O. Box 69
>        Waverly, MN 55390
>
> Location: 4439 Hwy 12 SW
>              Waverly, MN 55390
>
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]] On Behalf Of  
> Richardson, R
> Sent: Thursday, May 06, 2010 12:27 PM
> To: [email protected]
> Subject: Pre-action in same space as wet pipe system
>
> Seeking opinions about a proposal where a pre-action system covers  
> part of a
> large space, the other parts being covered with a wet pipe system.   
> There is
> no separation between the two system types.
>
> Thanks in advance,
>
> Rich Richardson
> Seattle Fire Department
>
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