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Run: Duct Leakage Test SMACNA Class Acceptance

Duct Leakage Test SMACNA Class Acceptance template for recording test pressure, measured CFM leakage, and pass/fail against the design allowable. Use it to d...

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Inspection Identification

Project name / job number

Record the project name and internal job or work order number.

System ID / duct section inspected critical (required)

Identify the duct system, branch, zone, or test section covered by this record.

Inspection date and time

Document when the leakage test was performed.

Inspector name and company critical (required)

Enter the qualified inspector or testing technician and company name.

Duct System and Design Criteria

Duct system type critical (required)

Select the duct system category being tested.

SMACNA leakage class / seal class critical (required)

Record the specified leakage class or seal class used to determine allowable leakage.

Note (optional)

Design allowable leakage (CFM) critical (required)

Enter the maximum allowable leakage for the test section based on the project criteria.

Test pressure specified by design critical (required)

Record the required test pressure used to establish acceptance.

Test Setup and Preconditions

Test section isolated and sealed critical (required)

Verify the duct section was isolated from the rest of the system and all openings were sealed for the test.

Yes No N/A

Test apparatus calibrated and suitable for use critical (required)

Confirm the leakage test equipment was calibrated and appropriate for the pressure range being measured.

Yes No N/A

Ambient conditions recorded

Document relevant site conditions that could affect the test, such as temperature, wind, or access constraints.

Access to test points unobstructed critical (required)

Verify access to test ports, joints, and sealed openings was available for inspection.

Yes No N/A

Leakage Test Results

Actual test pressure critical (required)

Record the pressure achieved during the leakage test.

Measured leakage critical (required)

Enter the measured leakage rate for the duct section at the test pressure.

Leakage within allowable limit critical (required)

Confirm the measured leakage does not exceed the design allowable leakage.

Yes No N/A

Test result critical (required)

Record the final acceptance outcome for the tested duct section.

Note (optional)

Deficiencies, Corrective Actions, and Sign-Off

Deficiencies or non-conformances noted

Describe any leakage sources, sealing defects, access issues, or other non-conformances observed during the test.

Corrective action required critical (required)

Indicate whether repair, resealing, or retesting is required before acceptance.

Yes No N/A

Inspector signature critical (required)

Inspector attestation that the test record is accurate and complete.

Owner / AHJ / commissioning representative sign-off

Optional acceptance acknowledgment by the owner, AHJ, or commissioning representative.

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