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Section PC 920: Computerized Vent Design
920.1 Design of vent system.
The sizing, design and layout of the vent system shall be permitted to be determined by computer program design methods which shall be approved by the commissioner to insure compliance with the minimum standards of this code.
920.2 System capacity.
The vent system shall be based on the air capacity requirements of the drainage system under a peak load condition.
920.3 Design shall be certified by a Licensed Professional Engineer.
An engineer shall also inspect and certify the system upon completion of the system.

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