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2014, 09-24 Duct Leakage Affidavit1'4 Duct l.eskege Affidavit Permit #: House address or lot number: y) G Sl,q m A©a. k City -5:16-84vie Va, l ie y Zip: Cond. Floor Area (f ): i ` Source (circle one): Plans 0 Duct tightness testing is not required for this residence per exceptions listed at the end of this document Air Handler In conditioned space? 0 yes ® no Air Handier present during test? ® yes 0 no Circle Test Method: Leakage to Outside Maximum duct leetalige:. Post Construction, total duct leakage: (floor area x .06) = CFMQ25 Pa Post Consuuctlon, leakage to outdoors: (floor area x .06) = CFM(§)25 Pa Rough-ln,to?al duct leakage with air handier installed: (floor area x .06) = 7.2. CFM@25 Pa Rough -in, total duct leakage with air handler not Installed: (floor area x .04) = CFM@25 Pa Measured Test Result 3g CFM625Pa P1;41 get -to Ring (circle one If applicable): Duct Tester Location: Fc.!'tnfinc e Open 1 3 Pressure Tap Location: I certify that these duct leakage rates are accurate and determined using standard duct testing protocol. Company Name: {aur �- Techn{dan Signature: Technician: Date: 1 ' 1-41 - Phone Number. Washington Saab Energy Code reference: 803.1113 tom. Al duets. etr handlers. Atter boxes, and building cavities used es ducts strew be seated. Joints and seams shall can* vitt Section tr11e01.3 of the lntarnnllonel Residential Code or 603.9 of the international Mechanical Code. Duct tightness testing shall be conducted to verify that the dugs are sued A signed Ada* documenting the test results shall be provided to the jurisdiction having authority by the testing agent. When required by the building official. the test shalt be conducted in the presence of department staff. Exceptions: 1. Duct tightness teat le not required f the sir handler and alt ducat are located within conditioned space. 2. Duet testing is not read if the furnace Is a nondirect vent type combustion appliance installed in an unconditioned space. A maximum al six feet of connected ductwork in the unconditioned space is allowed. All additional supply and return duets shall be within the conditioned space. Ducts outside the conditioned space shalt be seoleo with a masdc type dud sateen; end insulated on tiut exterior with R-8 insulation for above grade ducts and R-5 water resistant insulation when within a slab or earth_