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Cc: dave@cornerstonegci.com; Ty Allan; AI Smith; lim Venturo � <br />Subject: RE: Everett Clinic Data Center permit K1107-007 Sprinkler TI for data center <br />)ohn, <br />Please contact our cross-connection specialist, Tim Markham, regarding this comment. His phone number is 425-257- <br />8833. <br />Thanks, <br />Meg <br />_ . _. _ __ _.. _ - <br />From: ]ohn Goldberg [mailto:jgoldberg@coscoilre.com] <br />Sent: Thursday, August 11, 2011 11:15 AM <br />To: Meg Haley <br />Cc: dave@cornerstonegci.com; Ty Allan; AI Smith <br />Subjed: RE: Everett Clinic Data Center permit K1107-007 Sprinkler'ff for data center <br />Meg <br />Why a PRV (Pressure Reducing Valve)? The preaction system protects the Data Center Area of the building and is only <br />an auxiliary system, 16 sprinklers. PRV's are only required on systems, wet, dry, preaction when the static pressure <br />exceeds 175 psi. having to do with the psi rating of the sprinkier heads, valves, fittings, ect... I believe the City pressure <br />is only 68 psi. <br />lohn <br />John Goldberg <br />Senior Contract Sales Rep <br />Cosco Fire Protection <br />office 425-686-6305 <br />cell 425-766-3220 <br />jgold�erg@coscofire.com <br />- - _ ---- ---- - <br />From: Meg Haley [mailto:MHaley@ci.everett.wa.us] <br />Sent: Thursday, August 11, 2011 11:03 AM <br />To: John Goldberg; dave@cornerstonegci.com <br />Subject: RE: Everett Clinic Data Center permit K1107-007 Sprinkler TI for data center <br />Thanks for confirming that the hydraulic calculations already have a safety cushion for this revision. Could another three <br />�tamped sheets be submitted for the PRV required for the preaction system? <br />�Meg <br />_ --- --- - - -------- ---- - -------- <br />From: )ohn Goldberg [mailto:jgoldberg@coscofire.com] <br />Sent: Thursday, August 11, 2011 10:53 AM <br />To: dave@cornerstonegci.com; Meg lialey <br />Cc: ]ohanna McManus; Wilson, Susan; jmoon@integworks.com; Ty Allan; AI Smith <br />Subject: RE: Everett Clinic Data Center permit K1107-007 Sprinkler lI for data center <br />Dave <br />The Hydraulic calculations for the Data Center are at the City. We left a 25 psi safety cushion. In addition, included in <br />our calc's was a 4 psi loss for the double detector and the City single detector based upon our system demand of 40D <br />GPM. eased upon this a resubmittal should not be necessary. <br />John <br />John Goldberg <br />Senior Contract Sales Rep <br />Cosco Fire Protection <br />office 425-656-6305 � <br />2 <br />