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.
A direct vent system is a very efficient alternative to a traditional gas fireplace. Direct Vent Fireplaces are factory built and their venting can be routed directly through a wall to the outside, using rigid or flexible venting. Direct vent systems are either co-axial (as stated above) or co-linear; Co-linear Direct Vent Fireplaces are used to vent through an existing wood burning chimney.