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� 1�i 1�� <br /> Air Leakaqe (Blower poor) Testinq Certificate <br /> House address or lot # : H9l'�..r,�'�:Ir� E�r rritcJ <br /> Conditioned Floor Area : �eH'S /�7 � <br /> Blower poor location :—F-��oat — ���10� /��/ �� � � � <br /> Ring : Open O 1 ly 1 u 3 O <br /> Wind Speed: S moh Humidity:_ 8"1 <br /> Temperature: T� dezrees WheatherCondition; 5 a <br /> Formula:(CFMso X 0.055)/(CFA X 144) Baseline: <br /> Calculations: . <br /> �6��. oss-- _ � r poo is75 <br /> tevs x ��v - Ze5 3`t z <br /> Standard Tested CFMso Test Result(SLA) <br /> 0.0003o s�a 6 Z L�o��'s <br /> Glossary <br /> CFA: Conditioned Floor Area <br /> CFMso:Cubic Fe2t per Minute of air leakage at 50 pascals of pressure <br /> Pascal (pa):The SI uni[of pressure(equivalent to or.e nev✓ton per square meter) <br /> SLA:Specific Leakage Area <br /> Washington State Ener�y Code P.eference: <br /> 502.4.5 Building Air Leakage testfng:All new constniction and additions over 750 sq.k.need to have a 6lower door test done and the resulting air leakage <br /> should 6e less than 0.00030 Specific Leakage Area(SLA)when:ested at 50 Pascals(01 inch w.g.)of depressurization.Testing can he done any time a(ter <br /> rough in and after installation of penetrations of[he building envelope,including penetrations for utilities,plumbing,electrical,ven[ilation and combustion <br /> appliances(��nd sealing of these penetre[ions�have 6een completed.Building officials can reques[tha[the test be mnducted while building department <br /> staff is present.The 6lower door test results need to be recorded on the certificate tha[is required in Section 105.4 <br /> EXEMPTIONS: <br /> 1.Additions less than 750 Square feet. <br /> 2.Once visual inspection has confirmed the presence of a gasket(see Section 502.4�,operable windows and doors manufactured by small bus .iess shall be <br /> permitted m be sealed off at the frame prior to[he test.Specific Leakage Area(StA)shall be calculated as follows: <br /> SLA =(CFM50 x 0.055)/(CFA x 144) <br /> Where: <br /> CFMso = Blower door fan fiow at 50 pascal pressure difference <br /> CFA =Conditioned Floor Area of the housing unit, converted to square inchas <br /> During testing: <br /> Exterior windows and doors,fireplace and stove doors shall be ciosed,6ut not sealed. <br /> Dampers shaC � dosed,bu[not sealed;�ncluding exhaus[,intake,makeup air,back drak,and the flue dampers;interior doors connecting conditioned <br /> spaces shzll be open;access hatches to conditioned crawl spaces and conditioned attics shall be opened;doors connecting to unmditioned spaces shall be <br /> closed but not sealed;Exterior opening for continuous operation ventilation system and heat recovery ventilatiors shall be dosed and sealed. <br /> �I ceRify that these air leakage results are accurate and determined using standard blower door testing protocol. <br /> Company name: Pacific Building Spe 'alties Technician: ,45�5�0-PFA+�RRB-, M4r�+�+t Q� <br /> Technician Signature:��a./ Date: 7'�lo-lL Pi�one: (253)445 9660 <br />