Laserfiche WebLink
Mathews Consulting Graup <br /> McchanicaUElectrical Consultants &Enginecrs <br /> � ���0 �� <br /> July 28, 1ss7 ��< < 1 1997 '✓ <br /> Steve Miller C�T Y �F EVfRfT ���"" <br /> Everett Building Department P�bli� yyorks pept T <br /> 3200 Cedar <br /> Everett WA 98201 <br /> RE: Evergreen Court Senior Apartments <br /> Dear Sir, <br /> We have designed the mechanical ventilation system for a 39 unit three story apartment <br /> building located on 16th Ave SE which is now under construction. <br /> As we discussed last week we are proposing to use the corridor ventilation system as a smoke <br /> purge system and providing fire dampers only in lieu of fire/smoke dampers at the corridor <br /> rated penetrations. <br /> The ventilation system as designed consists of a forced air H&V unit that serves only the <br /> corridors and is capable of providing 100% outside air. <br /> We are proposing that motorized dampers on the unit refum air and outside air ducts be <br /> connected to the building fire alarm system and upon a signal from that syszem the dampers <br /> are driven to 100% outside air and the unit used for smoke purge. <br /> As we agreed this concept should be acceptable under the exceptions to the smoke damper <br /> requirements. <br /> Sincerely, <br /> %����'/ /�'C -C-�� <br /> Keith Mathews <br /> KM/Ik <br /> CC: Tad Belefski, Michael FancherAssociates <br /> 2 Auburn �ya}� North Suitc 209 Aubum, \VA 9R002 (206) 804-0737 Fax(206) R04-0651 <br />