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Volume 2 - Atomic Energy Regulatory Board

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(d)<br />

(e)<br />

(f)<br />

(g)<br />

(h)<br />

(i)<br />

(j)<br />

(k)<br />

(l)<br />

(m)<br />

(n)<br />

(o)<br />

(p)<br />

Slug(s) is missing or rolled from the hot cell table<br />

Heavy contamination of hot cell, contamination of pool water pool<br />

High activity of gaseous waste discharge in air<br />

Failure of access door interlocks<br />

Fire in the IFRT<br />

Failure of ventilation system<br />

Failure of power supply<br />

Failure of PLC<br />

Earthquake at the IFRT site<br />

Flooding of hot cell with water<br />

Leakage of water from pool<br />

Breakage of pool lining<br />

Fall of person in the water pool<br />

The designer/manufacturer shall carry out such analysis to demonstrate means<br />

provided to prevent and handle above situations safely.<br />

14. Acceptance test reports after installation of safety systems:<br />

(a)<br />

(b)<br />

(c)<br />

(d)<br />

(e)<br />

Dose rate profile measurement in the entire facility, strength of<br />

radiation source.<br />

Performance of radiation monitoring and control interlocks<br />

Performance of personnel monitors<br />

Dose concentration measurement with and without ventilation fan<br />

functioning<br />

Assurance and effectiveness of control functions and interlocks<br />

Sketch of the facility and location of dose rate monitoring points and<br />

maximum/minimum dose rate levels should include :<br />

(a)<br />

(b)<br />

(c)<br />

(d)<br />

Name of persons carrying out the measurement<br />

Instrument used in the radiation survey<br />

Confidence limits of radiation level measurements<br />

Background radiation levels in each location of measurement<br />

15. Decommissioning of IFRT:<br />

Procedure to be followed when decision is made to close down the facility<br />

permanently.<br />

217

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