The pressure requirement on the placard is higher than the static pressure on 
the riser.
  
  
  
 Todd G Williams, PE  
Fire Protection Design/Consulting
  
Stonington, CT
  
860-535-2080 (tel:860-535-2080)  (ofc)
  
860-554-7054 (tel:860-554-7054)     (fax)
  
860-608-4559 (tel:860-608-4559)  (cell)
  
  
  
  

  
  
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> On Sep 22, 2022 at 5:38 PM,  <Taylor Schumacher 
> (mailto:[email protected])>  wrote:
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> Todd, if I’m reading this correctly that means you have a safety margin on 
> your system. That’s a good thing that your system provides more pressure than 
> is required.
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> It would be cause for concern if the gauge showed less than required.
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> Taylor Schumacher   
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> From:  Prahl, Craig  <[email protected]>
>   Sent:  Thursday, September 22, 2022 4:03 PM
>   To:  Discussion list on issues relating to automatic fire sprinklers  
> <[email protected]>
>   Subject:  [Sprinklerforum] Re: [EXTERNAL] Pressure on placard greater that 
> static.
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> Um, that’s not an unusual thing.    Pretty standard.   
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>  Craig Prahl   |Jacobs     | Group Lead/SME – Fire Protection |    
> [email protected] (mailto:[email protected])|www.jacobs.com 
> (http://www.jacobs.com/)
>
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> 1041 East Butler Road      Greenville, South Carolina    29606
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> CONTACT BY: Phone 1-864-676-5252, Email or MS TEAMS
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> From:  Fpdcdesign  <[email protected] (mailto:[email protected])>
>   Sent:  Thursday, September 22, 2022 4:48 PM
>   To:  Discussion list on issues relating to automatic fire sprinklers  
> <[email protected] 
> (mailto:[email protected])>
>   Subject:  [EXTERNAL] [Sprinklerforum] Pressure on placard greater that 
> static.
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> I have run into a couple of situations where the required pressure as shown 
> on the system placard is less than the static pressure on the riser. I found 
> another one today during a survey. If others are finding this, how do they 
> handle it?   
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> Todd G Williams, PE
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> Fire Protection Design/Consulting
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> Stonington, CT
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> 860-535-2080 (tel:860-535-2080)  (ofc)
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> 860-554-7054 (tel:860-554-7054)     (fax)
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> 860-608-4559 (tel:860-608-4559)  (cell)
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