## NA7.18 High-Rise Residential Dwelling Unit Acceptance Tests

### NA7.18.1 Ventilation Airflow

NA7.18.1.1 Dwelling Unit Ventilation Acceptance

##### NA7.18.1.1.1 Construction Inspection

Prior to functional testing, verify and document the following:

(a) System is designed to provide a fixed minimum outside air when the unit is operating.

(b) Specify the ventilation system type, such as balanced, supply or exhaust.

(c) Specify the method of control.

(d) Confirm the kitchen range hood is ventilated to outside.

(e) Record the kitchen range hood manufacturer name and equipment model number

(f) Confirm the kitchen range hood is HVI certified.

##### NA7.18.1.1.2 Functional Testing

Step 1: Perform the dwelling unit mechanical ventilation airflow procedure as specified by Reference Nonresidential Appendix NA2.2 to verify the dwelling unit ventilation airflow conforms to the requirements of Standards §120.1(b)2.

Step 2: Obtain HERS Rater field verification as specified in Reference NA1.

### NA7.18.2 Dwelling Unit Envelope Leakage Acceptance

NA7.18.2.1 Construction Inspection

Prior to functional testing, verify and document the following:

(a) Confirm the pressure boundary wall, ceiling, and floor penetrations are sealed.

(b) Confirm all gaps around windows and doors are sealed.

(c) Confirm all chases are sealed at floor level using a hard cover and the hard cover is sealed.

NA7.18.2.2 Functional Testing

Step 1: Perform the dwelling unit envelope air leakage procedure as specified by Reference Nonresidential Appendix NA2.3 to verify the dwelling unit ventilation airflow conforms to the requirements of Standards §120.1(b)2.

Step 2: Obtain HERS Rater field verification as specified in Reference NA1.