10006 13TH AVE SE 2017-01-13 - Laserfiche WebLink

Duct testing Calculator (New Construction j At Rough-in (Total Leakage) • � 0 CFA of 1 Calculated Test� Q Home Standard Target CFM25 O a � Air Handler Present _< 6 CFM25 per 100 sf of CFA � 4- Air Handler not Present _< 4 CFM25 per 100 sf of CFA � � O � Post Construction �' a� v CFA of 1 Calculated Test2 w Home Standard Target CFM25 � 0 � Air Handler Present � ��, � g CFM25 per 100 sf of CFA 2 '�? 'Z � (Total Leakage) � � � � Air Handler Present � � < 6 CFM25 per 100 sf of CFA ' �'-� �� (Leakage to Exterior) �, � � � Air Handler not Present <_ 4 CFM25 per 100 sf of CFA � � 1. Test results must comply with one of the Standards options. � �2. Test CFfV125 must be equal to or less than the calculated target. ~ Air Leakage testing Calculator (Blower poor Test) ' Standard CFA of Tested CFM50 Test Result Home ..o;0.00030 S LA �(CFMSoX 0.055)/(CFA X 1�4)� - Glossary r'�-�� -��-.��%�%��' 1 `'� `�` 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 it�tandard is not met in intitial test. Post Construction: At or near final inspection. The home must be complete enough to pressurize the horrie to 25 pa. Total Leakage: Aggreg�tion of the entire systems duct leakage in a dGct test. Leakage to Exterior: Ag�regation of all duct system leaks to the exterior of the CFA in a duct test. CFA: Conditioned floor area CFM2S: Cubic feet per minute of air leakage at 25 pascals of pressure CFMso: Cubic feet per minute of air leakage at 50 pascals of pressure Pascal (pa): Unit of pressure / � � �i SLA: Specific leakage area L� � � _�-� i �'�'�'C� �..� ��'� ��