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GUIDE FOR THE ESTABLISHMENT AND OPERATIONS OF DOWNSTREAM GAS FACILITIES IN NIGERIA (LPG, CNG, LNG) ISSUED BY

Page 122 of 194

 
 
 
 
Applicable to all Oil & Gas Operators  
GUIDELINES FOR THE ESTABLISHMENT AND OPERATIONS OF GAS 
STORAGE AND UTILISATION FACILITIES IN NIGERIA 
Code: DPR Guide 0020 - 2020 
 
Revision Date: 1st September 2020 
 
 
 
This is a property of the Department of Petroleum Resources. All rights reserved  
 
31 
xiii. 
Waste Management Plan. 
xiv. 
Waste Consignment Note 
 
4.16 Static Electricity in Operations: 
1. The Facility must ensure that all equipment are bonded continuously or designed to 
eliminate the threat of discharge of static electricity.  
2. During discharging from a truck, the Facility shall ensure the grounding of the truck 
and secure bonding wire to the tank being filled. It shall not be removed during 
operations until it is confirmed that there is no threat of static electricity. 
4.17 Storage Tanks Management  
1. Storage tanks shall be maintained in good condition to prevent loss of containment.  
2. Avoid prolonged periods of low tank volume to minimize operational issues. 
3. At the minimum, tanks shall be equipped and inspected for Safety Elements, Overfill 
Protection, visible leaks etc. 
4. The effectiveness of a cathodic and corrosion protection shall be regularly monitored 
and maintained in accordance with the design standards. Pad foundation or supports, 
tank welds shell seams, and bottom to side seams shall also be free from rust. 
5. Ensure that vents are clear of debris or other plugging.  
 
4.17.1 Internal Inspection of Storage tanks 
1. The storage tanks shall be opened for internal inspection at intervals of not more than 
60 calendar months in line with the MOSR, 1997 or subjected to an approved Risk 
Based Methodology.  
2. For these inspections, tanks should be emptied and cleaned, and the inside examined 
for holes and corrosion.  
3. During the storage tank cleaning operations, adequate ventilation shall be provided 
inside the tank and as work progresses, frequent tests shall be carried out to detect