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�� <br />Meg Haley <br />From: Kevin Yamada <kyamada@ricegroup.com> <br />Sent: Thursday, June 26, 2014 3:38 PM <br />To: Meg Haley <br />Cc: stever@ ri ceg rou p.com <br />Subject: Canyon Creek Church <br />Meg, <br />� <br />Per our phone call I'm sending an email confirming how we are complying with the economizer requirements for the <br />WSEC 2012 on Canyon Creek Church. <br />1) Per sheet M1.1 schedule Package Rooftop Units with Gas Heat note 1 RTU's 1-4 have full economizer. <br />2) For the VRF Mitsubishi System (Indoor FC's connected to Outdoor HP-1) we are using WSEC section 403.4.1 <br />exception 6 for VRF systems. This system falls under the complex HVAC systems since it has simultaneous <br />heating and cooling. We are providing a minimum 50% effective heat recovery unit and the outdoor HP is over <br />65,000 BTUH. <br />Let me know if you have any more questions or concerns. Thank you. <br />Kevin Yamada, PE <br />RIGE Group, �nc. Consultir�g Engine�rs <br />20201 Cedar Va11ey Raad; Suite 120 <br />Lynnwood, WA 98036 <br />425-774-3829 (Ext:221 after 5 pm} <br />425-672-2084 fax <br />kyamada(a�riceqroup.com <br />