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20120278 Permit Pkg 10172012 '��.c�� 2 r�Z'7�' . - Duct testing Calculator (New Construction) House address or lot#: �� .P.,v-� _�� _ ' Conditioned Floor Area: ��,�� Duct tester location: ��a a��2 --- Pressure tap location: ��_� ��' � Ring (if applicable): Open 1 2 3 . ' At Rough-in (Total Leakage) - Test Method & Test2 Caiculated Stand"ardl. CFM25° Target Air Handier Present .06 X CFA<_ CFMzs <_6 CFMZS per 100 sf of CFA Air Handler not Present .04 X CFA 5 CFM25 <_4 CFM25 per 100 sf of CFA Post Construction Test Method & TestZ Calculated Standardl CFM25 Target Air Handler Present(Total leakage) .08 X CFA 5 ' -CFMZS <_S CFM25 per 100 sf of CFA = Air Handler Present(Leakage to Exterior) .06 X CFA 5 CFMZS <_ 6 CFM25 per 100 sf of CFA 1. Test results must comply with one of the Standards options. 2. Test CFMZS must be equal to or less than the calculated target. , � Air Leakage testing Calcu/ator (Biower poor Test) Tested Standard CFM Calculated Test Result 50 , � ((1�7C� CFM50 X 0.055)= t�Cea�CFA X 144})=SLA 0.00030 SLA f�� ti�,�l�� divided by U-x�lY7�7�I�= SLA . SIA=c�c�--► Glossary Rough-In: After installation of the complete air distribution system but before installation of insulation and sheet rock. Allows for access to all duct seams and connections for re-evaluation of seal integrity if standard is not met in intitial test. Post Construction: At or near final inspection. The home must be complete enough to pressurize the home to 25 pa. Total LeakagQ: Aggregation of the entire systems duct leakage in a duct test. Leakage to Exterior: Aggregation of all duct system leaks to the exterior of the CFA in a duct test. � CFA: Conditioned floor area � '` �`� CFM25: Cubic feet per minute of air leakage at 25 pascals of pressure �� FMSO: Cubic feet per minute of air leakage at 50 pascals of pressure � Pasca!(pa): Unit of pressure .�� SIA: Specific leakage area � �� i , . � � � .. Duct Leakage Affidavit ' Permit#: � � 2- G 2-� �' House.addres�or lot number. ��°� . ��c'�j1�,� �-.��v � City:� ' �� Zip: Cond. Floor Area(ft2): `Z(.�td� Source(circle on�): Plans Estimated Measured I ❑ Duct tightness testing is not required for this res ence per exceptions listed at the end of this document ' Air Handler in conditioned space?� �es no Air Handler present during test? yes 0 no Circle Test Method: Leakage to Outside otal Leakage . Maxlmum duct leakage: Post Construction,total duct leakage: (floor area x.08)= CFM@25 Pa , Post Constructlon, leakage to outdoors: (floor area x.06) = CFM@25 Pa Rough-ln,total duct leakage with air handler instailed: (floor area x.06) = o� CFM@25 Pa _ Rough-In,total duct leakage with air handler not installed: (floor area x .04)= CFM@25 Pa Test Resuit: �7 / CFM@25Pa . " Ring (circie one if applicable): Open 1 2 3 - Duct Tester Location: ��x 7it) +� �" Pressure Tap Location: S�� 4��r�1 �A�t� " I certify that these duct leakage rates are accurate and determined using standard duct testing protocol. Company Name:�,� A� "h I�'�� Technician: �.�3�I,- n � Technician Signature�9� ir � � �°° Date: `-I �J"� '� Phone Number:�� .�� Washington State Energy Code reference: 503.10.3 Sealing.All ducts,air handlers,filter boxes,and building cavities used as ducts shall be sealed.Joints and seams shall comply � � with Section M1601.3 of the Intemationa!Residential Code or 603.9 of the Internationa/Mechanica/Code. Duct tightness testing shall be �; conducted to verify that the ducts are sealed.A signed affidavit documenting the test results shall be provided to the jurisdiction having authority by the testing agent.When required by the building official,the test shail be conducted in the presence of department staff. Exceptions: 1,Duct tightness test is not required if the a(r handler and all ducts are located within conditioned space, 2.Duct testing is not required if the furnace is a nondirect vent type combustion appliance installed in an unconditioned space. A maximum of six feet of connected ductworlc in the unconditfoned space is allowed.All additional supply and ratum ducis shall be�viihin thE G�W��tioned spac2. Ducts outside the conditior,cd spaca shal!ba saalsd with a mastic type duc:seslant�nd insulated on th�exterio-with R-8 insulation for above grade ducts and R-5 water resistant insulation when within a siab or earth. � � � � � oo � � Q � � � Q � � Q �� ,. � �, �. � � �. � _ � � � � r 0 0 � `� � � v D z � � � � � �- � Q ,: �� c� � � r � � � � ' v N O ,-,: u, umi _ � Q � Z � � � � � � N � � � � CD � � D � � � � Q rv ° COO � v�i �p � � °� o D �° z � � m oo �, � p � o� �� Z m o � W � z c cn � � � � � vr m � p o � Z � � �� m D � � � � �� • � CO N 3 n � r � � � � � � v � m � �' � � � Ga N cr, c". � N � � � � � � ^ � �� b � � Q cQ cu (� c�+. � � � o � � �. � N � � � � o � � � c� � � R � �� o c�o c0 Q m � � � � � � � � � � � � �. � � � � � � � b <� o � Z O ` � � o � �' � � R � oo c�u � � � � Q � � �. Nn•� � � � O� � � � � � � Sv N � c� C � W � � � N p � � O � � W 00 C�.J1 � D C�