12631 16TH AVE SE 2020-02-24 - Laserfiche WebLink

BLOWER DOOR-TEST RESULTS Lr Blower=Door TstingNW Date of Test: _ ® _ __r--4Z 3I :com___. ec nician Name• — ---=---- blowerdoorschedul ;grnalCcom Job Site Information Permit#: Address and Lot Number: �/ ��' _ "-'' �— S` �r► s —j City: '' I gi ° ' et�Z 0 Zip Code: Cond. Floor Area(ft2): 9-30,/ Age of House: Source(check one): Plans ❑Esti :ed,. 'asured Test Results Pass ❑Fail ❑Could Not Complete tic q-70 Volume ,ACH50 Test Target (.5`• �) 7Z CFM@5OPa Ring(check one if applicable): ❑Open ❑A ❑C Blower Door Fan Location: .,440" 4114 Weather Conditions. Results shall be reported as Air Changes per Hour at 50 Pascals if( H50 and shall be calculated as follows: ACH50=(CFM50 x 60)/Volume Where: CFM50=Blower door fan flow at 50 Pascal pressure difference Volume=Conditioned Floor Area of the housing unit x ceiling height 2015 Washington State Energy Code reference: 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 door at a pressure of 0.2 inches.w.g.(50 Pascals).Where required by the code official,testing shall be conducted by an approvedthird party.A written report of the results of the test shall besigned by the party conducting the test and provided to the code official.Testing shall be performed atanytime after creation of all penetrations of the building thermal envelope.Once 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 atthe frame prior to the test. During testing: 1.Exterior windows and doors,fireplace and stove doors shall be closed,but not.sealed,beyond the intended weatherstripping or other infiltration control measures; 2.Dampers including exhaust,intake,makeup air,backdraft and flue dampers shall be closed,but not sealed beyond intendedinfiltration control'measures; 3.Interior doors,if installed at the time of the test,shall beopen,access hatches to conditioned crawl spaces and conditioned attics shall be open; 4.Exterior openings for continuous ventilation systems and heat recovery ventilators shall be closed and sealed; 5.Heating and cooling systerns,.if installed at the time of the test,shall be turned off;and 6:Supply and return registers;if installed at the time of the test,shall be fully open.