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Specifications
EL Rg_ 7 - c zl-o55 /a©a sty Gzek -i1°L ao regon Heating & Air Conditioning BMW Motorcycles TI 122iE0 Sw Garden Place Tigard, Or l; A. VI 2007 Mechanical work- Addendum #1 IL ilL3ag Service area ventilation requirements- IT l 1 " ) Th Net Square feet requiring ventilation- 5080 sft. 5080 X 1.5 CFM supply ventilation required = 7620 CFM Supply air thru HVAC units- 33% Minimum position setting. Thermostats set for fan "on" during occupied. RTU10- 400 cfm RTU11- 800 cfm RTU12- 670 cfm Total supplied constantly during occupied periods- 1870 cfm Outside Air. Balance of Ventilation supply required- 5750 cfm. IH1.2- Intake hoods with mist filters- 2875 cfm each ? 0.25SP Exhaust and balancing - EF1- Greenheck G181. Weight = 105#. Replaces existing roof fan. Exhaust system for direct connection to bikes during service - Variable speed dependent on # of bikes. Maximum 3800 cfm. EF2- Existing Dayton 3C147- 36" blade /3/4 HP motor. 8,250 cfm ( 0.25 SP. This will be provided thru a single speed exhaust fan controlled by a carbon monoxide detector. Since this is a conditioned space, the additional ventilation will only be supplied when required due to CO buildup. leOt When CO buildup occurs, the service area air will be evacuated and replaced in 12.5 minutes. oo,iT we�aTT Office 5035382953 • Fax 503.5372172 • PO Box 397 • 992 Highway 99 West • Dundee. OR 97115 -- - - --