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I T <br /> BLOWER DOOR TEST RESULTS <br /> . , .4 BDT <br /> Blower Door Testing NW Date of Test: 7 hr <br /> 425-312-3914•BlowerDoorNW.com Technician Name: 4. m?/90 <br /> blowerdoorschedule(agmail.com <br /> Job Site Information <br /> Permit#: <br /> Address and Lot Number: Y('''' `IL l S` 7 "5' <br /> City: . Cvig Zip Code: qo-ao- <br /> Cond. <br /> Floor Area(ft2): 2 `-'(/, Age of House: eiC/ <br /> Source(check one): XPlans ❑Estimated ❑Measured <br /> Test Results <br /> ass c3 Fail Zi Could Not Complete �S�4e, Volume <br /> LS ' 9— ACH50 <br /> Test Target S.0 /2? / CFM@50Pa <br /> Ring(check one if applicable): ❑Open ❑A B 1:1C <br /> Blower Door Fan Location: 77ZZ?t G e Weather Conditions: <br /> Results shall be reported as Air Changes per Hour at 50 Pascals(ACH50)and shall be calculated as follows: <br /> ACH50=(CFM50 x 60)/Volume <br /> Where: <br /> CFM50=Blower door fan flow at 50 Pascal pressure difference <br /> Volume=Conditioned Floor Area of the housing unit x ceiling height <br /> 2015 Washington State Energy Code reference: <br /> R402.4.1.2 Testing.The building or dwelling unit shall be tested and verified as having an air leakage rate of not exceeding 5 air changes per hour.Testing shall be conducted with a blower <br /> door at a pressure of 0.2 inches w.g.(50 Pascals).Where required by the code official,testing shall be conducted by an approved third party.A written report of the results of the test shall <br /> be signed by the party conducting the test and provided to the code official.Testing shall be performed at any time after creation of all penetrations of the building thermal envelope.Once <br /> visual inspection has confirmed sealing(see Table R402.4.1.1),operable windows and doors manufactured by small business shall be permitted to be sealed off at the frame prior to the test. <br /> During testing: <br /> 1.Exterior windows and doors,fireplace and stove doors shall be closed,but not sealed,beyond the intended weatherstripping or other infiltration control measures; <br /> 2.Dampers including exhaust,intake,makeup air,backdraft and flue dampers shall be closed,but not sealed beyond intended infiltration control measures; <br /> 3.Interior doors,if installed at the time of the test,shall be open,access hatches to conditioned crawl spaces and conditioned attics shall be open; <br /> 4.Exterior openings for continuous ventilation systems and heat recovery ventilators shall be closed and sealed; <br /> q//--' <br /> 5.Heating and cooling systems,if installed at the time of the test,shall be tumed off;and <br /> 6.Supply and return registers,if installed at the time of the test,shall be fully open. �f <br />