Library / Applicable to all Oil & Gas Operators PROCEDURE GUIDE FOR THE GRANT OF PERMIT/APPROVAL/LICENSE FOR LUBE OIL BLENDING/WASTE OIL RECYCLING PLANT Code: DPR Guide 0021 - 2020

Applicable to all Oil & Gas Operators PROCEDURE GUIDE FOR THE GRANT OF PERMIT/APPROVAL/LICENSE FOR LUBE OIL BLENDING/WASTE OIL RECYCLING PLANT Code: DPR Guide 0021 - 2020

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Applicable to all Oil & Gas Operators  
PROCEDURE GUIDE FOR THE GRANT OF PERMIT/APPROVAL/LICENSE FOR 
LUBE OIL BLENDING/WASTE OIL RECYCLING PLANT 
Code: DPR Guide 0021 - 2020 
 
Revision Date: 2nd October 2020 
 
 
 
This is a property of the Department of Petroleum Resources. All rights reserved  
 
9 
5. In all cases, tanks shall: 
i. 
Be fitted with manholes of minimum diameter of 60.96 cm to facilitate easy 
access to the tank interior. 
ii. 
Be fitted with vents capable of relieving excess pressure or vacuum. 
iii. 
Have access to their roofs by means of a ladder or staircase constructed and 
attached to the outer tank shell. 
6. General: 
i. 
All electrical wirings shall conform to applicable NIS Standards and other 
Internationally recognized fire protection standards. 
ii. 
All fire protection devices shall conform to applicable National/International 
Fire Protection Standards. 
iii. 
Non-flammable materials shall be used for all constructions within the plant. 
iv. 
All electrical lamp fittings shall be flameproof. 
v. 
During operation, no storage tank shall be filled to more than 95% of its 
capacity. All maintenance requiring hot works on storage tanks shall be 
carried out under a permit issued by a Competent Person specifying 
detailed safety precautions that must be taken in the process. 
4. HEALTH, SAFETY AND ENVIRONMENT CONSIDERATIONS 
4.1 
Environmental Protection 
1. All storage tanks shall be surrounded by bund walls constructed with concrete. 
2. There shall be adequate piping facilities for evacuating any liquids retained within 
the bund walls. 
3. There shall be installed in the enclosure, an efficient oil interceptor with an isolating 
valve leading to the drainage system. 
4. Water shall not be allowed to accumulate within the enclosure or any part thereof 
where the storage tanks are on concrete foundations and the bed of the enclosure