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

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

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Applicable to all Oil & Gas Operators  
GUIDELINES FOR THE ESTABLISHMENT AND OPERATIONS OF CNG 
COMPRESSION FACILITIES IN NIGERIA 
Code: DPR Guide 0029 - 2020 
 
Revision  Date: 1st September 2020 
 
 
 
This is a property of the Department of Petroleum Resources. All rights reserved  
 
12 
c. Firewall shall be installed to adjoining residential or public buildings. 
 
3.4 
Minimum Requirement for Onsite Gas Storage Cascade/Tanks   
The storage cascade/tank/ shall be designed, constructed and installed by DPR 
accredited/approved company in accordance with internationally recognised standards.  It 
shall comply with the following: 
i. 
The storage tank/vessel shall be located in a manner that allows safe access and 
subsequent removal if required, clear of any building foundations or underground 
features, such as drains and tunnels. Additionally, the location shall not allow any 
flammable concentrations or any releases to reach potential ignition sources or 
accumulate where they might pose a danger.   
ii. 
The fill points for storage tank/vessel shall be positioned such that other vehicle 
movements does not pose risk to tanker discharge and accidental releases does 
not pose an immediate threat to personnel.  
iii. 
Tanks and piping must be constructed with materials that provide an appropriate 
level of safety and environmental protection. e.g. carbon steel, reinforced fibre 
glass or others acceptable by DPR. 
iv. 
All storage tank design specification details shall be conspicuously displayed. 
v. 
All storage tanks shall be fitted with pressure relief valves, pressure gauges, 
temperature guages and important safety equipment. Lightning protection shall 
be installed as appropriate.  
vi. 
Water sprinkler system shall be provided at the top of the vessel. If required, access 
ladder to the top of the gas storage tank shall be provided for inspection and 
maintenance needs.