114. Ducts with air velocities exceeding 10 m/s or gauge pressures exceeding 1,000 Pa shall be pressure tested in conformance with SMACNA HVAC Duct Construction Standards (1st edition, 1985), and the rate of air leakage shall not exceed the value specified in this Standard.
O.C. 89-83, s. 114; O.C. 1211-92, s. 16.