Information Request Form for Snorkeling or Scuba Diving Activities. This form should be completed by the IU project / activity leader no less than 30 days prior to planned. scuba diving or snorkeling activities. The IU Diving Control Boardâs designee, the Diving Safety Officer. (DSO), will receive and review all scuba diving and snorkeling requests.
Pressure-cycled ventilation. This form of mechanical ventilation includes pressure control ventilation (PCV), pressure support ventilation (PSV), and several noninvasive modalities applied via a tight-fitting face mask. In all of these modalities, the ventilator delivers a set inspiratory pressure.
Plumbing Vent Definitions & Distances. 1  PLUMBING VENT DEFINITIONS, TYPES - CONTENTS: Definition of plumbing vent terms, types of plumbing vents. Plumbing vent size requirements, plumbing vent clearance distances to building roof, vertical walls, nearby windows, or plumbing vent distance to chimneys.