Does the steam system need to be isolated before pit entry, or is there another option?
Reply 1c: The system would have to be isolated in accordance with the standard. As noted above in the reply to question 1a, there are different options available. Question 1d: Does the pressurized condensate system represent an engulfment hazard? Reply 1d: Possibly, but there is not enough information provided in your letter to reply more definitively. Question 2: If a steam trap, valve, or other component needs to be replaced, requiring its removal from the pressurized steam system, is there a potential hazard? Reply 2: Yes. See the reply to question 1a. Question 3: Is sectionalizing, recharging, or positioning drain valves for isolating/depressurization still a hazard? Reply 3: Yes. See the reply to question 1a. Question 4: If steam drain valves discharge into the space, is that an engulfment hazard? Reply 4: Possibly, if the discharge is liquid and has the capacity to surround and effectively capture an entrant. Additionally, a thermal hazard, due to the high temperature water or st
