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procedures > S1.OP-SO.WG-0011 — Discharge of 14 Gas Decay Tank

S1.OP-SO.WG-0011 — Discharge of 14 Gas Decay Tank

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S1.OP-SO.WG-0011 — Discharge of 14 Gas Decay Tank

Purpose

Procedure for releasing the contents of 14 Waste Gas Decay Tank (WGDT) to the plant vent in a controlled manner.

Key Actions / Information

Exam — 2020 Q98
During a GDT release, the following restrictions apply:
  • P&L 3.2: "DO NOT release more than one GDT at a time."
  • P&L 3.3: "DO NOT transfer Waste Gas from one GDT to another during the GDT Release."
A VCT Purge to the plant vent IS allowed during a GDT release — the discharge procedure does not prohibit it. Trap: waste gas cannot be transferred between units or between GDTs during a release, but VCT purge is permitted.

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