10009 12TH AVE SE 2016-01-01 MF Import

Y Duct testing Calculator {New Construction) � � � ' �� At Rough-in (Total Leakage) • � a CFN of 1 Calculated Test2 a Home Standarcl Target CFMZS O a� � Air Flandler Present <_ 6 CFM�; per 10u sf of CFA � � Air Handler not Present <_ 4 CFMZS per 100 sf of CFA v — c C -a P�st Construction � � , CFA of 1 Calculated Test2 x w Home Standard Target CFMZS o � _ � Air Handler Present J °J (Total Leakage) `�`�� 8 �FMZS per 100 sf of CFA ZC�"�� l � J � � � Air Handler Present � <_ 6 CFMZS per ].00 sf of CFA � . (Leakage t� Exterior) �+ � — _ Air Handler not Present <_ 4 CFMZS per 10C3 sf of CFA v — z 1. Test results must comply with one of the Standards options. v 2. Test CFMZS must be equal to or less than the calculated target. ~ Air Leakage testing Calculator (Blower poor Test) ' Standard �FA of Tested CFMso Test Result Home <0.00030 SIA ��CFMSoX 0.055)/(CFA X lA4j� �- �;5 2S ��_, D`l`1S I > Glossary ! v � / � Rou�h-In: After installation of th� complete air uistribution system but before installation of insulation and sheet rock. Allows for access to all duct seams and connections for re-eval��tion of seal integrity i�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 Leakage: 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 CFMSp: Cubic fzet per minute of air leakage at 50 pascals of pressure Pascal �pa): Unit of pressure — SLA: Specific leakage area �7 `�L�� j� �poo� I � � �or j7 z--