Afrindustria/ Gas Gap Monitor

Library / Page 1 of 67 MIDSTREAM AND DOWNSTREAM PETROLEUM SAFETY AND ENVIRONMENTAL REGULATIONS, 2025

Page 1 of 67 MIDSTREAM AND DOWNSTREAM PETROLEUM SAFETY AND ENVIRONMENTAL REGULATIONS, 2025

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(ii) person has undergone appropriate training and risk assessment for that 
purpose, 
(iii) person enters with adequate and proper PPE including breathing apparatus, 
and  
(iv) lifeline is attached to the personnel or contractor and held by another person 
standing outside at a safe distance and in a position to observe if the person 
is asphyxiated; 
(b) during storage tank cleaning operations — 
(i) manned entry is completely prohibited, 
(ii)appropriate and acceptable automated or mechanical technologies approved by 
the Authority are employed, and 
(ii) if the gas concentration in a storage tank exceeds 5% of LEL, the tools used 
shall not be capable of causing sparks, and all equipment used shall be 
certified Flameproof Group II, in conformity with recognised international 
standards;  
(c) hydrocarbon storage tanks shall be opened for internal inspection at intervals of not 
more than 60 calendar months; 
(d) during an inspection —  
(i) the tank is subjected to thorough visual and non-destructive tests,  
(ii) any defect affecting the integrity and operability of the tanks observed are 
rectified, and  
(iii) UTM of tank shells are carried out and records made available to the Authority 
on demand;  
(e) a person does not enter a sump which has contained hydrocarbon or industry chemicals 
and products unless there is attached to the person, a lifeline held by another person 
standing —  
(i) at the top of the sump at a safe distance, and  
(ii) in a position to observe if the person is asphyxiated 
(f) a person holding a lifeline referred to in sub-regulation (a) and (e) of this regulation are 
adequately trained for that purpose and —