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BDT <br /> $L,OWER DOOR FEST REsum <br /> Blower Door T'es ing NW 425-312-3914 <br /> RlowerpoorNW.eom <br /> Job Completed By <br /> Technician Naive 1 ill iV � ,!�!���, Jr Date: <br /> Job Site Information <br /> Permit#: <br /> Address and Lot Number. <br /> City: Zip Code: Qf ,2O_j <br /> Cond.Floor Area(ft'): 17o6 Age of House: <br /> Source (check one): L�$lans 0 Estimated U Measured <br /> '.Test Results <br /> ❑Pass VFail Q Could Not Complete c1 ACHso <br /> CFM@54Pa <br /> Ring(check one if applicable): ❑Open U A *B ❑C <br /> Blower Door Fan Location: OI�T z).:2)e Weather Conditions: S4 I']/1 C-/ — U £} <br /> Results shall be reported as Air Changes per Hour at 50 Pascals(ACH50)and shall be calculated as follows: <br /> ACH50=(CFM50 x 50)1 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 /> R402.41-2 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 pressae of 02 inches w.g.(50 Pascals)_V&=required by the code official,testing shall be conducted by an approved third party.A written report of tee results of the test shall <br /> be signed by the party conducting the test and provided to the cede offichd.Testing shall be performed at any time after creation of all penetrations of the buddmg thermal envelope.once <br /> visual inspection has confirmed scaling(see Table 8402.4.1.1),operable windows and doors manufactured by small business shall be permitted to be sealed off at the frame prior to the test. <br /> Dwing testing <br /> I,Exterior windows and doors,fireplace and stove doors shall be closed,but not sealed,heyond the in a ed weatherstripping or other infiltration control measures; <br /> 2.Dampers including exhaust,intake,makeup air,backdrali and flue dampers shall be dosed,but not sealed beyond iutcndotl infilhation conual measures; <br /> 3.Interior doors,if installed at the time ofthe test,shall be opm access hatches to conditional crawl spaces and conditioned attics shall be open; <br /> 4.Exterior openings for continuous ventilation systems and heat recovery ventilators slWl be closed and sealed; <br /> 5.Heating and cooling systems,if installed at the time of the test,shall be turned of{and \ ' <br /> 6.Supply and return registers,if installed at the time ofthc test,shall be frilly open_ / <br />