Change Order.

On 12/1/08 10:47 AM, "Travis Mack, SET" <[EMAIL PROTECTED]> wrote:

> How would you address this situation?:
> 
> Water flow test performed by the site utility contractor indicating 100 psi
> static, 73 residual and 1389 gpm.  Water company says that computer model
> shows 100 psi static, 20 psi static at 1300 gpm.  System works with the
> measured flow test, but not close at the computer model.  The system is 20
> psi K25 esfr system.  The water company also states that based on computer
> model, there is only going to be 900 gpm @ 20 psi available by the year 2025
> and we are required to design to that.  This information came out after
> design completed.
> 
> 
> 
> 
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of George Church
> Sent: Monday, December 01, 2008 8:24 AM
> To: [email protected]
> Subject: RE: A new winner?
> 
> Reminds me of the excessive loss during a flow test; could see the elevated
> tank several blocks away, and with 10" UG there shouldn't have been as much
> loss as we witnessed. Water co checked and found partially closed valve, did
> a fiberglass plant with the resultant dramatically improved supply. EH with
> (short) 1.5" lines :)
> 
> However, a year earlier, a competitor put a tank and pump in across the
> street at another job, I can only guess that they took the waterflow test
> they got and told the owner there was insufficient supply, here's the COR
> for a tank and pump, thanks. Seriously, we need to do a better job for the
> Owners paying us for our talent.
> 
> glc
> 
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of Dyce Geoffrey
> H.
> Sent: Monday, December 01, 2008 10:11 AM
> To: [email protected]
> Subject: RE: A new winner?
> 
> Sounds like
> 1.  Guy cant read the gauge
> 2.  You have a hung valve on the system UG 3.  Pipe is plugged Just my 2
> cents
> 
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of Todd Williams
> Sent: Monday, December 01, 2008 9:30 AM
> To: [email protected]
> Subject: A new winner?
> 
> Did a flow test this morning. Static 94, Residual 16, Flow 369 gpm.
> The head of the water department was reading the gauge. No plans to
> investigate (yet). Think they can design a dry system in a wood truss attic
> on that?
> 
> Todd G. Williams, PE
> Fire Protection Design/Consulting
> Stonington, Connecticut
> www.fpdc.com
> 860.535.2080
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