It's kind of ridiculous that you have to even have a discussion about this.  
What's the AHJ want you to do?

Craig L. Prahl, CET   
Fire Protection Specialist
Mechanical Department
CH2MHILL
Lockwood Greene
1500 International Drive
Spartanburg, SCĀ  29304-0491
Direct - 864.599.4102
Fax - 864.599.8439
[email protected]
http://www.ch2m.com 


-----Original Message-----
From: [email protected] 
[mailto:[email protected]] On Behalf Of Todd Williams
Sent: Monday, November 01, 2010 5:27 PM
To: [email protected]
Subject: RE: Mechanical closet obstruction

The 16x16 duct runs vertically off the top of the unit. there is no 
bottom of duct



At 05:11 PM 11/1/2010, you wrote:
>Blow up the HVAC unit?, just ;)
>
>Locate the head with deflector at bottom of the 16" deep obstruction. Show
>the section where head can be located up to 22" for obstructed construction.
>
>Tony
>
>-----Original Message-----
>From: [email protected]
>[mailto:[email protected]] On Behalf Of Todd Williams
>Sent: November 1, 2010 3:01 PM
>To: [email protected]
>Subject: RE: Mechanical closet obstruction
>
>Existing condition. Not going to happen
>
>
>At 04:43 PM 11/1/2010, you wrote:
> >It may be hard for him to shove the HVAC unit against the wall. With
> >the minimal space allowed in this closet he still needs room to make
> >duct connections, electrical connections, drain connections etc.  But
> >hey you could ask.
> >
> >Craig L. Prahl, CET
> >Fire Protection Specialist
> >Mechanical Department
> >CH2MHILL
> >Lockwood Greene
> >1500 International Drive
> >Spartanburg, SC  29304-0491
> >Direct - 864.599.4102
> >Fax - 864.599.8439
> >[email protected]
> >http://www.ch2m.com
> >
> >
> >-----Original Message-----
> >From: [email protected]
> >[mailto:[email protected]] On Behalf Of
> >[email protected]
> >Sent: Monday, November 01, 2010 4:25 PM
> >To: [email protected]
> >Subject: RE: Mechanical closet obstruction
> >
> >Todd,
> >This is just a thought.Get the HVAC contractor to shift the unit into
> >the corner,then place the sprinkler in the opposite,leaving 8" clear on
> >2 sides.You can maintain the 4" min. off the wall and cover ALL the
> >clear space in the room.Right?
> >
> >Lamar Vaughn
> >
> >
> >On Mon, Nov 1, 2010 at 2:53 PM, Todd Williams wrote:
> >
> > > This is under the 2002 code and they have the 5 ft ceiling height
> > > restriction. I believe this is an 8 ft ceiling.
> > >
> > >
> > >
> > > At 02:28 PM 11/1/2010, you wrote:
> > >> Todd,
> > >>
> > >> If this is residential, 6.8.1.5.3.1 specifically addresses this
> > >> concern.
> > >> 2007 ed.
> > >>
> > >> Cliff
> > >> -----Original Message-----
> > >> From: [email protected]
> > >> [mailto:[email protected]] On Behalf Of Todd
> > >> Williams
> > >> Sent: Monday, November 01, 2010 1:22 PM
> > >> To: [email protected]
> > >> Subject: Mechanical closet obstruction
> > >>
> > >> I know this was referenced in another post, but I can't find it so
> > >> I'm starting a new thread.
> > >>
> > >> A 2' x 2' mechanical closet. The unit is mounted on the floor and a
> > >> 16" x 16" plenum comes off the top and runs up through the ceiling
> > >> at roughly the center of the room (approximately 4" clearance on
> > >> each side). One sidewall sprinkler is installed near the ceiling
> > >> and the AHJ questions the head being obstructed. Outside of
> > >> installing 4 sprinklers in the closet, any good way to address
> > >> this? The State Building Code specifically excludes the application of
>common sense.
> > >> Thoughts?
> > >>
> > >> Todd G. Williams, PE
> > >> Fire Protection Design/Consulting
> > >> Stonington, CT
> > >> 860.535.2080
> > >> www.fpdc.com
> > >>
> > >> _______________________________________________
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> > >>
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> > >> [email protected]
> > >>
> > >> To Unsubscribe, send an email
> > >> to:[email protected]
> > >> (Put the word unsubscribe in the subject field)
> > >>
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> > >>
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> > >> [email protected]
> > >>
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> > >> to:[email protected]
> > >> (Put the word unsubscribe in the subject field)
> > >
> > > Todd G. Williams, PE
> > > Fire Protection Design/Consulting
> > > Stonington, CT
> > > 860.535.2080
> > > www.fpdc.com
> > >
> > > _______________________________________________
> > > Sprinklerforum mailing list
> > > [email protected]
> > > http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum
> > >
> > > For Technical Assistance, send an email to:
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> > >
> > > To Unsubscribe, send an email
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> >_______________________________________________
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> >
> >For Technical Assistance, send an email to: [email protected]
> >
> >To Unsubscribe, send an email
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> >For Technical Assistance, send an email to: [email protected]
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>
>Todd G. Williams, PE
>Fire Protection Design/Consulting
>Stonington, CT
>860.535.2080
>www.fpdc.com
>
>_______________________________________________
>Sprinklerforum mailing list
>[email protected]
>http://fireball.firesprinkler.org/mailman/listinfo/sprinklerforum
>
>For Technical Assistance, send an email to: [email protected]
>
>To Unsubscribe, send an email to:[email protected]
>(Put the word unsubscribe in the subject field)
>
>_______________________________________________
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>[email protected]
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>
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Todd G. Williams, PE
Fire Protection Design/Consulting
Stonington, CT
860.535.2080
www.fpdc.com

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